The invention relates to a process for the preparation of a catalyst ink formulation, said process comprising the steps of: (i) providing a mixture comprising a catalyst, an ionomer and water that has been subjected to ball milling; and (ii) subjecting the mixture to an ultrasonication step for a time period of from about 1 minute to about 1 hour.
Herein disclosed is an apparatus for manufacturing a catalyst coated membrane. The apparatus comprise a first element configured to receive a membrane; a second element co-operable with the first element to secure the membrane to the apparatus, wherein the first element and the second element are detachable from each other when not in use, and when in use are configurable to be arranged in a manner which (i) secures the membrane to the first element and the second element, and (ii) for vacuum suction to be applied to the membrane. A method for manufacturing the catalyst coated membrane is also disclosed herein. The method comprises providing a membrane; securing a membrane to the apparatus; and depositing a catalyst ink containing catalyst particles onto the membrane.
An aspect of the disclosure relates to a dialysate regenerator, including: a purification means; at least one reversible retainer including an ion reservoir; a dialysate flow path including a dialysate inlet for receiving a dialysate, a dialysate outlet for dispensing the dialysate, the purification means and the at least one reversible retainer: a pump connected to the dialysate flow path and configured to generate a flow of the dialysate from the dialysate inlet via the reversible retainer and the purification means to the dialysate outlet, wherein a direction of the dialysate flow path through the reversible retainer is reversible.
A61M 1/26 - Dialysis systems; Artificial kidneys; Blood oxygenators with membranes which are moving
B01D 15/16 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the conditioning of the fluid carrier
B01D 15/18 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
B01J 47/018 - Granulation; Incorporation of ion-exchangers in a matrix; Mixing with inert materials
B01J 47/12 - Ion-exchange processes in general; Apparatus therefor characterised by the use of ion-exchange material in the form of ribbons, filaments, fibres or sheets, e.g. membranes
4.
DIALYSATE REGENERATOR AND SYSTEM COMPRISING THE SAME
An aspect of the disclosure relates to a dialysate regenerator for connecting to a dialysis apparatus, the dialysate regenerator including a regenerator inlet for receiving dialysate; a regenerator outlet for dispensing regenerated dialysate; a hydraulic circuit connected between the regenerator inlet and the regenerator outlet, and further including a fluid portioning system to divide a dialysate flow into uniform portions for sequential regeneration An aspect of the disclosure relates to a dialysis system including a dialysis apparatus including: a fresh dialysate input; a spent dialysate output; and the dialysate regenerator, wherein the regenerator inlet may be coupled to the spent dialysate output for receiving spent dialysate, and wherein the regenerator outlet may be coupled to the fresh dialysate input for dispensing regenerated dialysate.
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 47/024 - Column or bed processes characterised by the construction of the column or container where the ion-exchangers are in a removable cartridge
B01J 47/026 - Column or bed processes using columns or beds of different ion exchange materials in series
The invention relates to a sorbent for removing metabolic waste products from a dialysis liquid, the sorbent comprising a soluble source of sodium ions. The sorbent comprises an ion exchange system which converts urea to ammonium ions and which is configured to exchange ammonium ions for predominantly hydrogen ions and to exchange Ca, Mg, and K for predominantly sodium ions. The soluble source of sodium ions overcomes an initial drop in sodium concentration in regenerated dialysate. When used in conjunction with an infusion system configured to utilise exchange of Ca, Mg and K for sodium during dialysate regeneration a desired sodium ion concentration can be maintained.
B01J 39/17 - Organic material containing also inorganic materials, e.g. inert material coated with an ion-exchange resin
B01J 20/02 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
B01J 20/24 - Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
B01J 47/024 - Column or bed processes characterised by the construction of the column or container where the ion-exchangers are in a removable cartridge
B01D 15/08 - Selective adsorption, e.g. chromatography
B01J 20/20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH (Singapore)
SINGAPORE UNIVERSITY OF TECHNOLOGY AND DESIGN (Singapore)
TEMASEK POLYTECHNIC (Singapore)
Inventor
Lim, Keng Hui
Liu, Jun
Chan, Soon Mei
Tan, Kai Lee
Liu, Zhonghong, Alexander
Zhang, Shiyun
Lee, Khim Yong
Abstract
A computer-implemented method for optimizing a support structure of a part to be built in an additive manufacturing process comprises: (a) obtaining build data comprising one or more build parameters for the support structure that have initial values such that the entirety of the support structure is configured to be softer than the part when built; (b) determining, by a first simulation, whether there would be any failure regions if the part and support structure are built according to the build data; (c) for each such failure region, modifying the build data by changing the one or more build parameters of the support structure to respective modified values in the failure region to harden the support structure at the failure region; and (d) determining, by a second simulation, whether any failure regions remain after modifying the build data.
B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/00 - Data acquisition or data processing for additive manufacturing
7.
DIALYSATE REGENERATOR AND SYSTEM COMPRISING THE SAME
An aspect of the disclosure relates to a dialysate regenerator for connecting to a dialysis apparatus, the dialysate regenerator including a regenerator inlet for receiving dialysate; a regenerator outlet for dispensing regenerated dialysate; a hydraulic circuit connected between the regenerator inlet and the regenerator outlet, and further including a fluid portioning system to divide a dialysate flow into uniform portions for sequential regeneration An aspect of the disclosure relates to a dialysis system including a dialysis apparatus including: a fresh dialysate input; a spent dialysate output; and the dialysate regenerator, wherein the regenerator inlet may be coupled to the spent dialysate output for receiving spent dialysate, and wherein the regenerator outlet may be coupled to the fresh dialysate input for dispensing regenerated dialysate.
An aspect of the disclosure relates to a dialysate regenerator, including: a purification means; at least one reversible retainer including an ion reservoir; a dialysate flow path including a dialysate inlet for receiving a dialysate, a dialysate outlet for dispensing the dialysate, the purification means and the at least one reversible retainer; a pump connected to the dialysate flow path and configured to generate a flow of the dialysate from the dialysate inlet via the reversible retainer and the purification means to the dialysate outlet, wherein a direction of the dialysate flow path through the reversible retainer is reversible.
An aspect of the disclosure relates to a dialysate regenerator, including: a purification means; at least one reversible retainer including an ion reservoir; a dialysate flow path including a dialysate inlet for receiving a dialysate, a dialysate outlet for dispensing the dialysate, the purification means and the at least one reversible retainer; a pump connected to the dialysate flow path and configured to generate a flow of the dialysate from the dialysate inlet via the reversible retainer and the purification means to the dialysate outlet, wherein a direction of the dialysate flow path through the reversible retainer is reversible.
An aspect of the disclosure relates to a dialysate regenerator for connecting to a dialysis apparatus, the dialysate regenerator including a regenerator inlet for receiving dialysate; a regenerator outlet for dispensing regenerated dialysate; a hydraulic circuit connected between the regenerator inlet and the regenerator outlet, and further including a fluid portioning system to divide a dialysate flow into uniform portions for sequential regeneration An aspect of the disclosure relates to a dialysis system including a dialysis apparatus including: a fresh dialysate input; a spent dialysate output; and the dialysate regenerator, wherein the regenerator inlet may be coupled to the spent dialysate output for receiving spent dialysate, and wherein the regenerator outlet may be coupled to the fresh dialysate input for dispensing regenerated dialysate.
A dialysis device is provided including a disposable housing having a flow path along which dialysate received from a patient is subjected to contaminant removal when in operation. The device includes a controller for controlling the operation of the disposable housing and an interface capable of operably coupling the controller and the disposable housing to enable the contaminant removal from the dialysate. The flow path is fluidly sealed from the controller and interface.
A plate member for a cell stack, a cell stack assembly, a method of forming a plate member for a cell stack and a method of assembling a cell stack may be provided, and the plate member includes a channel sheet with at least one peak and one trough for forming fluid flow channels; two alignment parts, each alignment part including a main body and one or more alignment members or holes, the main body having a through hole provided within the main body; and wherein the alignment part is capable of aligning the channel sheet parallel to a plane of the main body and the alignment member is capable of aligning the alignment member to another corresponding alignment member along an axis passing through the alignment member; and further wherein the channel sheet is disposed between the two alignment parts.
H01M 8/0254 - Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form corrugated or undulated
H01M 8/0258 - Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
There is provided a sorbent for removing metabolic waste products from a dialysis liquid, the sorbent comprising a layer of immobilized uremic toxin-treating enzyme particles intermixed with cation exchange particles.
B01J 20/06 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group
B01J 20/20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 20/22 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01D 15/20 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the conditioning of the sorbent material
B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
The invention relates to a sorbent for removing metabolic waste products from a dialysis liquid, the sorbent comprising a soluble source of sodium ions. The sorbent comprises an ion exchange system which converts urea to ammonium ions and which is configured to exchange ammonium ions for predominantly hydrogen ions and to exchange Ca, Mg, and K for predominantly sodium ions. The soluble source of sodium ions overcomes an initial drop in sodium concentration in regenerated dialysate. When used in conjunction with an infusion system configured to utilise exchange of Ca, Mg and K for sodium during dialysate regeneration a desired sodium ion concentration can be maintained.
B01J 39/17 - Organic material containing also inorganic materials, e.g. inert material coated with an ion-exchange resin
B01J 20/02 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
B01J 20/24 - Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
B01J 20/20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01D 15/08 - Selective adsorption, e.g. chromatography
B01J 47/024 - Column or bed processes characterised by the construction of the column or container where the ion-exchangers are in a removable cartridge
Agency for Science, Technology and Research (Singapore)
Tan Tock Seng Hospital Pte. Ltd. (Singapore)
Inventor
Sun, Ling Ling
Ng, Willie
Zhou, Xiaodong
Wong, Ten It
Leo, Yee Sin
Abstract
Disclosed is a localised surface plasmon resonance (LSPR) nanopillar assembly. The LSPR assembly is for use in sensing the presence of a biomarker when attached to a quantum dot. The LSPR assembly comprises a substrate and an array. The array comprises a LSPR nanopillar and a polymer spacer attached to the nanopillar. The LSPR assembly further comprises an antibody attached to the at least one polymer spacer. In the LSPR assembly, a combined height of the polymer spacer and antibody is selected by varying the number of monomer units of the polymer spacer, so that, when in use with the biomarker and the quantum dot, the quantum dot is at a predetermined distance from the nanopillar.
The present invention relates to a solid fuel, a system and a method for generating hydrogen. The solid fuel comprises sodium borohydride, catalyst loaded fibres and a binder, wherein the catalyst loaded fibres and the binder form a scaffold structure within which the sodium borohydride is positioned. The system comprises a fuel cartridge containing the solid fuel of the present invention for generating hydrogen gas, a reactor configured to house the fuel cartridge, a tank for storing water, a pump and a liquid conduit for conveying water from the tank to the fuel cartridge housed within the reactor to induce a hydrolysis reaction of the solid fuel contained in the fuel cartridge and a controller for regulating flow of the water.
C01B 3/06 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
B01J 7/02 - Apparatus for generating gases by wet methods
B01J 31/06 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
C01B 3/00 - Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
H01M 8/065 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by dehydriding metallic substances
Agency for Science, Technology and Research (Singapore)
Temasek Polytechnic (Singapore)
Inventor
Tan, Beng Soon
Chan, Chee Fatt Frank
Xu, Yun
Law, Bee Khuan Jaslyn
Loke, Yee Chong
Low, Hong Yee
Abstract
According to one aspect of the invention, there is provided a method of forming a film with a lenticular lens array, the method comprising providing a substrate; providing a mold having a plurality of nano-scale to micro-scale cavities that form the lenticular lens array on the substrate; having the mold contact the substrate; and forming the lenticular lens array by allowing portions of the substrate to partially fill the plurality of cavities.
G02B 27/22 - Other optical systems; Other optical apparatus for producing stereoscopic or other three-dimensional effects
G02B 30/27 - Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer’s left and right eyes of the autostereoscopic type involving lenticular arrays
A gas generator and a method of generating a gas are provided. A gas generator includes a cartridge having a solid reactant and a liquid reactant distributor provided therein, and a liquid reactant supply in fluid communication with the liquid reactant distributor. The liquid reactant supply is configured to provide a liquid reactant under pressure to the liquid reactant distributor. The liquid reactant distributor comprises a plurality of normally closed holes configured to open at a predetermined fluid pressure to disperse the liquid reactant for reaction with the solid reactant in the cartridge.
C01B 3/06 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
C01B 3/08 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents with metals
The invention relates to a sorbent for removing metabolic waste products from a dialysis liquid, the sorbent comprising a soluble source of sodium ions. The sorbent comprises an ion exchange system which converts urea to ammonium ions and which is configured to exchange ammonium ions for predominantly hydrogen ions and to exchange Ca, Mg, and K for predominantly sodium ions. The soluble source of sodium ions overcomes an initial drop in sodium concentration in regenerated dialysate. When used in conjunction with an infusion system configured to utilise exchange of Ca, Mg and K for sodium during dialysate regeneration a desired sodium ion concentration can be maintained.
B01J 20/02 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
B01J 47/024 - Column or bed processes characterised by the construction of the column or container where the ion-exchangers are in a removable cartridge
B01J 20/22 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
The invention relates to a sorbent for removing metabolic waste products from a dialysis liquid, the sorbent comprising a soluble source of sodium ions. The sorbent comprises an ion exchange system which converts urea to ammonium ions and which is configured to exchange ammonium ions for predominantly hydrogen ions and to exchange Ca, Mg, and K for predominantly sodium ions. The soluble source of sodium ions overcomes an initial drop in sodium concentration in regenerated dialysate. When used in conjunction with an infusion system configured to utilise exchange of Ca, Mg and K for sodium during dialysate regeneration a desired sodium ion concentration can be maintained.
B01J 20/20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 47/024 - Column or bed processes characterised by the construction of the column or container where the ion-exchangers are in a removable cartridge
The present disclosure relates to dialysis devices. In some embodiments, a dialysis device may include a disposable housing having a storage chamber in fluid communication with a dialysate flow path. Also included may be a controller, an interface capable of operably coupling the controller and the disposable housing, a fluid displacement structure, a pump configured to actuate a deformable diaphragm, and a pressure sensor to trigger the reversal of the pump. The flow path may be fluidly sealed from the controller and the interface.
A plate member for a cell stack, a cell stack assembly, a method of forming a plate member for a cell stack and a method of assembling a cell stack may be provided, and the plate member comprises a channel sheet comprising at least one peak and one trough for forming fluid flow channels; two alignment parts, each alignment part comprising a main body and one or more alignment members, the main body having a through hole provided within the main body; and wherein the alignment part is capable of aligning the channel sheet parallel to a plane of the main body and the alignment member is capable of aligning the alignment member to another corresponding alignment member along an axis passing through the alignment member; and further wherein the channel sheet is disposed between the two alignment parts.
H01M 8/0254 - Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form corrugated or undulated
H01M 8/0258 - Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/248 - Means for compression of the fuel cell stacks
H01M 8/2483 - Grouping of fuel cells, e.g. stacking of fuel cells - Details of groupings of fuel cells characterised by internal manifolds
H01M 8/2465 - Grouping of fuel cells, e.g. stacking of fuel cells - Details of groupings of fuel cells
A flow frame for an electrochemical cell, including: a frame body comprising a plurality of elongate members that are arranged to define a boundary of the flow frame and to allow an electrolyte solution to flow within the boundary of the flow frame; and one or more support beams disposed within the frame body and coupled to at least two of the plurality of elongate members.
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
H01M 8/242 - Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes comprising framed electrodes or intermediary frame-like gaskets
H01M 4/86 - Inert electrodes with catalytic activity, e.g. for fuel cells
AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH (Singapore)
TAN TOCK SENG HOSPITAL PTE LTD (Singapore)
Inventor
Sun, Ling Ling
Ng, Willie
Zhou, Xiaodong
Wong, Ten It
Leo, Yee Sin
Abstract
Disclosed is a localised surface plasmon resonance (LSPR) nanopillar assembly. The LSPR assembly is for use in sensing the presence of a biomarker when attached to a quantum dot. The LSPR assembly comprises a substrate and an array. The array comprises a LSPR nanopillar and a polymer spacer attached to the nanopillar. The LSPR assembly further comprises an antibody attached to the at least one polymer spacer. In the LSPR assembly, a combined height of the polymer spacer and antibody is selected by varying the number of monomer units of the polymer spacer, so that, when in use with the biomarker and the quantum dot, the quantum dot is at a predetermined distance from the nanopillar.
A plate module for a redox battery comprising a frame having an internal side and an opposing, peripheral external side; a separator, the frame and separator defining a first reaction space; a first porous and conductive member positioned within the first reaction space; a first flow inlet channel extending from the first reaction space to a first inlet on the external side of the frame; and a first flow outlet channel, fluidly connected with the first flow inlet channel by the first reaction space, the first flow outlet channel extending from the first reaction space to a first outlet on the external side of the frame; wherein the first inlet is configured to be fluidly connected with a first detachable inlet manifold; and the first outlet is configured to be fluidly connected with a first detachable outlet manifold.
AGRI-FOOD & VETERINARY AUTHORITY OF SINGAPORE (Singapore)
Inventor
Amaladoss, Anburaj
Patel, Kadamb Haribhai
Abstract
The present invention relates to a detection method. In particular, it relates to a detection method for detecting the presence and/or absence of plurality of shrimp pathogens in a sample. The method includes the use of polymerase chain reaction (PCR) followed by high resolution melting (HRM) analysis methods. In an aspect of the present invention, there is provided a method for detecting the presence or absence of a plurality of shrimp pathogens in a sample, the sample suspected of containing nucleic acids of at least one shrimp pathogen, the method comprising: (a) exposing the nucleic acids to at least one pair of primers to amplify the nucleic acids, or a portion of each nucleic acid; (b) performing a high resolution melt (HRM) analysis on a double-stranded product comprising the amplicons obtained from the amplification to obtain a melt curve for the sample; and (c) comparing the melt curve with a pre-determined set of parameters, the parameters comprising a plurality of melting temperatures, each melting temperature is associated with a nucleic acid obtained from a shrimp pathogen, and the difference between each melting temperature is at least 1°C, wherein a spike in the melt curve corresponding to the melting temperature associated with a shrimp pathogen indicates the presence of that pathogen in the sample.
C12Q 1/70 - Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving virus or bacteriophage
A Gas Generator and Method of Generating a Gas A gas generator and a method of generating a gas are provided. A gas generator includes a cartridge having a solid reactant and a liquid reactant distributor provided therein, and a liquid reactant supply in fluid communication with the liquid reactant distributor. The liquid reactant supply is configured to provide a liquid reactant under pressure to the liquid reactant distributor. The liquid reactant distributor comprises a plurality of normally closed holes configured to open at a predetermined fluid pressure to disperse the liquid reactant for reaction with the solid reactant in the cartridge.
C01B 3/06 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
B01J 7/02 - Apparatus for generating gases by wet methods
C01B 3/08 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents with metals
An apparatus for installation with an electrical distribution box comprising a bus bar and a plurality of circuit breakers, the apparatus comprises a sensor circuit comprising at least one sensor arranged in series connection with the bus bar and one of the plurality of circuit breakers, wherein one end of the at least one sensor is connected to the bus bar and another end of the at least one sensor is connected to one of the plurality of circuit breakers; and a processor to obtain a corresponding voltage signal and a corresponding current signal flowing through the at least one sensor.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H02B 1/04 - Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
G01R 31/327 - Testing of circuit interrupters, switches or circuit-breakers
29.
SENSING SYSTEM FOR DETECTING A SUBSTANCE IN A DIALYSATE
A sensing system for detecting a substance in a dialysate. The system includes a hydrophobic barrier capable of allowing the substance in the dialysate to equilibrate through the barrier to a gas. The system also includes a detector capable of detecting the gas and an interface disposed between the hydrophobic barrier and the detector and configured to allow transport of the gas between the hydrophobic barrier and the detector following a concentration gradient of the gas along the interface.
A plate member for a cell stack, a cell stack assembly, a method of forming a plate member for a cell stack and a method of assembling a cell stack may be provided, and the plate member comprises a channel sheet comprising at least one peak and one trough for forming fluid flow channels; two alignment parts, each alignment part comprising a main body and one or more alignment members, the main body having a through hole 10 provided within the main body; and wherein the alignment part is capable of aligning the channel sheet parallel to a plane of the main body and the alignment member is capable of aligning the alignment member to another corresponding alignment member along an axis passing through the alignment member; and further wherein the channel sheet is disposed between the two alignment parts.
H01M 8/2465 - Grouping of fuel cells, e.g. stacking of fuel cells - Details of groupings of fuel cells
H01M 8/249 - Grouping of fuel cells, e.g. stacking of fuel cells comprising two or more groupings of fuel cells, e.g. modular assemblies
H01M 8/0254 - Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form corrugated or undulated
H01M 8/0258 - Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
The present invention relates to a solid fuel, a system and a method for generating hydrogen. The solid fuel comprises sodium borohydride, catalyst loaded fibers and a binder, wherein the catalyst loaded fibers and the binder form a scaffold structure within which the sodium borohydride is positioned. The system comprises a fuel cartridge containing the solid fuel of the present invention for generating hydrogen gas, a reactor configured to house the fuel cartridge, a tank for storing water, a pump and a liquid conduit for conveying water from the tank to the fuel cartridge housed within the reactor to induce a hydrolysis reaction of the solid fuel contained in the fuel cartridge and a controller for regulating flow of the water.
C01B 3/06 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
B01J 7/02 - Apparatus for generating gases by wet methods
B01J 31/06 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
C01B 3/00 - Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
H01M 8/065 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by dehydriding metallic substances
A fuel cell assembly (10) is provided. The fuel cell assembly (10) includes a first endplate (12), a second endplate (14), a plurality of separator plates (16) provided between the first and second endplates (12) and (14), and a plurality of fuel cells (18) forming a fuel cell stack (20). Each of the fuel cells (18) is provided between adjacent ones of the separator plates (16). A plurality of oxidant flow channels (22) is formed in the separator plates (16). The oxidant flow channels (22) define a first flow passage. Each of the fuel cells (18) has an active area. A portion (28) of the separator plates (16) extends beyond the active area of the fuel cells (18) to define a second flow passage at a downstream portion of the first flow passage.
H01M 8/0258 - Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/0273 - Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
H01M 8/0267 - Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
H01M 8/241 - Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
H01M 8/0254 - Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form corrugated or undulated
H01M 8/04007 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
H01M 8/2475 - Enclosures, casings or containers of fuel cell stacks
Agency for Science, Technology and Research (Singapore)
Temasek Polytechnic (Singapore)
Inventor
Chan, Chee Fatt
Tan, Beng Soon
Xu, Yun
Law, Bee Khuan Jaslyn
Low, Hong Yee
Abstract
According to one aspect of the invention, there is provided an optical grating comprising a substrate comprising a plurality of protrusions with a space in between any two adjacent protrusions; and a cap provided on at least one of the plurality of protrusions at an end that is furthest from the substrate, wherein the cap has a higher degree of optical attenuation compared to the substrate material and wherein the combination of each protrusion and the respective cap thereon has a generally symmetric cross-sectional profile.
The present invention relates to a solid fuel, a system and a method for generating hydrogen. The solid fuel comprises sodium borohydride, catalyst loaded fibres and a binder, wherein the catalyst loaded fibres and the binder form a scaffold structure within which the sodium borohydride is positioned. The system comprises a fuel cartridge containing the solid fuel of the present invention for generating hydrogen gas, a reactor configured to house the fuel cartridge, a tank for storing water, a pump and a liquid conduit for conveying water from the tank to the fuel cartridge housed within the reactor to induce a hydrolysis reaction of the solid fuel contained in the fuel cartridge and a controller for regulating flow of the water.
C01B 3/06 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
A fuel cell apparatus (10) and method (50) of operating a fuel cell are provided. The fuel cell apparatus (10) includes a fuel cell assembly (12) having a first outlet (26) and a first vessel (34) coupled to the first outlet (26) and forming a first dead end. The first vessel (34) is arranged to receive and hold a portion of a first reactant and water when a supply of the first reactant is being fed to the fuel cell assembly (12) and to return the first reactant in the first vessel (34) to the fuel cell assembly (12) via the first outlet (26) when the supply of the first reactant to the fuel cell assembly (12) is cut off.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
H01M 8/04082 - Arrangements for control of reactant parameters, e.g. pressure or concentration
H01M 8/04223 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
H01M 8/04291 - Arrangements for managing water in solid electrolyte fuel cell systems
A fuel cell assembly (10) is provided. The fuel cell assembly (10) includes a first endplate (12), a second endplate (14), a plurality of separator plates (16) provided between the first and second endplates (12) and (14), and a plurality of fuel cells (18) forming a fuel cell stack (20). Each of the fuel cells (18) is provided between adjacent ones of the separator plates (16). A plurality of oxidant flow channels (22) is formed in the separator plates (16). The oxidant flow channels (22) define a first flow passage. Each of the fuel cells (18) has an active area. A portion (28) of the separator plates (16) extends beyond the active area of the fuel cells (18) to define a second flow passage at a downstream portion of the first flow passage.
A diffusion medium (10) for use in a fuel cell, a fuel cell (80) and a method (60) of making the diffusion medium (10) are provided. The diffusion medium (10) includes a porous substrate (12) having a first surface (14) and a second surface (16), a microporous layer (18) formed on the first surface (14) of the porous substrate (12), and a plurality of water-retaining portions (20) formed on the microporous layer (18). The porous substrate (12) is electrically conductive. The microporous layer (18) provides a hydrophobic surface (22). The water-retaining portions (20) define a hydrophilic area (24) on the hydrophobic surface (22) of the microporous layer (18).
A sensing system for detecting a substance in a dialysate. The system includes a hydrophobic barrier capable of allowing the substance in the dialysate to equilibrate to a gas; a detector capable of detecting the gas; an interface disposed between the hydrophobic barrier and the detector and configured to allow fluid communication of the gas; and one or more delivery mechanisms capable of transporting the gas from the hydrophobic barrier to the detector. A method of detecting ammonium gas in a dialysate is also provided.
AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH (Singapore)
TEMASEK POLYTECHNIC (Singapore)
Inventor
Tan, Beng Soon
Chan, Chee Fatt, Frank
Xu, Yun
Law, Bee Khuan, Jaslyn
Loke, Yee Chong
Low, Hong Yee
Abstract
According to one aspect of the invention, there is provided a method of forming a film with a lenticular lens array, the method comprising providing a substrate; providing a mold having a plurality of nano-scale to micro-scale cavities that form the lenticular lens array on the substrate; having the mold contact the substrate; and forming the lenticular lens array by allowing portions of the substrate to partially fill the plurality of cavities.
Disclosed is a security film for revealing a passcode present in content of a document when the security film is correctly aligned over the document, the security film comprising a substrate comprising a plurality of first portions; and a plurality of second portions, wherein the plurality of second portions have a higher degree of optical attenuation compared to the plurality of first portions, wherein, within a designated area of the substrate, each of the plurality of first portions is arranged to alternate with each of the plurality of second portions in a pattern designed to allow light from segments of the passcode to transmit through the substrate, via at least one of the plurality of first portions within the designated area, to create specific viewing zones having sufficient overlap of such light to reveal the passcode from the remaining content of the document.
G09C 5/00 - Ciphering or deciphering apparatus or methods not provided for in other groups of this subclass, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages
G09C 1/06 - Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuou
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH (Singapore)
Inventor
Chan, Chee Fatt
Tan, Beng Soon
Xu, Yun
Law, Bee Khuan Jaslyn
Low, Hong Yee
Abstract
According to one aspect of the invention, there is provided an optical grating comprising a substrate comprising a plurality of protrusions with a space in between any two adjacent protrusions; and a cap provided on at least one of the plurality of protrusions at an end that is furthest from the substrate, wherein the cap has a higher degree of optical attenuation compared to the substrate material and wherein the combination of each protrusion and the respective cap thereon has a generally symmetric cross-sectional profile.
AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH (Singapore)
TEMASEK POLYTECHNIC (Singapore)
NGEE ANN POLYTECHNIC (Singapore)
SINGAPORE POLYTECHNIC (Singapore)
Inventor
Chong, Karen Siew Ling
Lee, Yeong Yuh
Goh, Seok Hong
Khaw, Kevin Beng Chin
Chaw, Ryan
Low, Hong Yee
Yeo, Adrian
Choy, Weng Keong
Loh, Han Liat
Abstract
A surface on a polymeric film having an array of patterned structures, wherein the array of patterned structures influences fluid flow of the surface and causes reduced attachment of a biological material.
A fuel cell apparatus (10) and method (50) of operating a fuel cell are provided. The fuel cell apparatus (10) includes a fuel cell assembly (12) having a first outlet (26) and a first vessel (34) coupled to the first outlet (26) and forming a first dead end. The first vessel (34) is arranged to receive and hold a portion of a first reactant and water when a supply of the first reactant is being fed to the fuel cell assembly (12) and to return the first reactant in the first vessel (34) to the fuel cell assembly (12) via the first outlet (26) when the supply of the first reactant to the fuel cell assembly (12) is cut off.
An end plate assembly for a proton exchange membrane (PEM) fuel cell and a fuel cell assembly (38) are provided. The end plate assembly includes a planar member (10) having an inlet port (12) and an outlet port (14), and a pump (28). The pump (28) includes a suction inlet (30) connected to the outlet port (14) of the planar member (10), a first discharge outlet (32) in fluid communication with the inlet port (12) of the planar member (10) and a second discharge outlet (34). The pump (28) is arranged to suck exhaust from a cathode side of the proton exchange membrane fuel cell via the outlet port (14) of the planar member (10) to create a negative pressure environment in the cathode side of the proton exchange membrane fuel cell and to re-circulate a portion of the exhaust via the inlet port (12) of the planar member (10) to hydrate a membrane of the proton exchange membrane fuel cell.
A substrate having compounds disposed thereon for immobilizing a functional molecule, each compound having a chain including: a moiety R that is chemically coupled to the substrate, the moiety R being selected from the group consisting of an ether, ester, carbonyl, carbonate ester, thioether, disulfide, sulfinyl, sulfonyl, and carbonothioyl; and an epoxide-containing moiety that is coupled to the moiety R by a linker including at least one nucleophilic group. Methods of preparing the substrate and use of the substrate are also disclosed.
Embodiments of the present invention provide a sensing system for detecting a substance in a dialysate, the system inclucing: a hydrophobic barrier capable of allowing the substance in the dialysate to equilibrate to a gas; a detector capable of detecting the gas; an interface disposed between the hydrophobic barrier and the detector and configured to allow fluid communication of the gas; and one or more delivery mechanisms capable of transporting the gas from the hydrophobic barrier to the detector. A method of detecting ammonium gas in a dialysate is also provided.
A substrate having compounds disposed thereon for immobilizing a functional molecule, each compound having a chain comprising: a moiety R that is chemically coupled to the substrate, said moiety R being selected from the group consisting of an ether, ester, carbonyl, carbonate ester, thioether, disulfide, sulfinyl, sulfonyl, and carbonothioyl; and an epoxide-containing moiety that is coupled to the moiety R by a linker comprising at least one nucleophilic group. Methods of preparing the substrate and use of the substrate are also disclosed.
A dialysis device is provided comprising a disposable housing having a dialysate flow path along which dialysate received from a patient is subjected to contaminant removal when in operation, wherein said disposable housing comprises a storage chamber in fluid communication with the dialysate flow path for storing the dialysate therein; a controller for controlling the operation of said disposable housing; an interface means capable of operably coupling the controller and the disposable housing to enable the contaminant removal from the dialysate, and a fluid displacement means configured to move the dialysate along the dialysate flow path, wherein said fluid displacement means comprises a deformable diaphragm integrally formed with at least one wall of said storage chamber, wherein the flow path is fluidly sealed from the controller and interface means. A method of dialysis, a dialysis system and kits are also provided.
A61M 5/00 - Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm rests
49.
A SUBSTRATE FOR IMMOBILIZING FUNCTIONAL SUBSTANCES AND METHOD FOR PREPARING THE SAME
A substrate having compounds disposed thereon for immobilizing a functional molecule, each compound having a chain comprising: a moiety R that is chemically coupled to the substrate, said moiety R being selected from the group consisting of an ether, ester, carbonyl, carbonate ester, thioether, disulfide, sulfinyl, sulfonyl, and carbonothioyl; and an epoxide-containing moiety that is coupled to the moiety R by a linker comprising at least one nucleophilic group. Methods of preparing the substrate and use of the substrate are also disclosed.
B01D 71/82 - Macromolecular material not specifically provided for in a single one of groups characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
C12N 11/06 - Enzymes or microbial cells immobilised on or in an organic carrier attached to the carrier via a bridging agent
B01J 20/22 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
G01N 33/48 - Biological material, e.g. blood, urine; Haemocytometers
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
50.
Flow system of a dialysis device and a portable dialysis device
There is provided a flow system of a dialysis device including a dialysate conduit which is capable of being in fluid communication with the peritoneal cavity of a patient's body and of being in fluid communication with a flow path, the flow path allowing dialysate to flow from a patient's body to a sorbent capable of removing contaminants within the dialysate in an outflow mode and in an inflow mode returning the dialysate substantially free of contaminants to the patient's body. The device also includes a pump for moving the dialysate along the flow path in both the outflow mode and inflow mode and a plurality of valves disposed along the flow path. There is also provided a portable dialysis device.
A61M 1/00 - Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
B01J 20/06 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group
B01J 20/20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 20/22 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
There is provided a sorbent for removing metabolic waste products from a dialysis liquid, the sorbent comprising a layer of immobilized uremic toxin-treating enzyme particles intermixed with cation exchange particles.
B01J 20/06 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group
B01J 20/20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 20/22 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH (Singapore)
DEFENCE SCIENCE AND TECHNOLOGY AGENCY (Singapore)
TEMASEK POLYTECHNIC (Singapore)
Inventor
Liu, Zhaolin
Lui, Ho Man
Tang, Ee Ho
Han, Ming
Cham, Yew Thean
Abstract
The present invention relates generally to a reactor vessel for generating hydrogen comprising a first inlet adapted to supply a hydrogen precursor material into the reactor vessel; a second inlet adapted to supply a catalyst precursor material into the reactor vessel; and a third inlet adapted to feed water back into the reactor vessel. The present invention is further directed to methods for generating hydrogen using the reactor vessel and systems for generating hydrogen using the reactor vessel.
A programmable digital thermometer for a human user including: a thermistor to allow the user to take a body temperature of the user; a digital display capable of showing the temperature of the user; a printed circuit board having an integrated circuit (IC) configured to allow the user to operate the thermometer in one of a temperature taking mode, a temperature badge mode and a programming mode; and a power source. The programmable digital thermometer may further include at least one of: a red LED to indicate a fever condition of the user when in the temperature badge mode; a green LED to indicate a no fever condition of the user when in the temperature badge mode; and an alarm buzzer to alert the user of a fever condition.
G01K 13/00 - Thermometers specially adapted for specific purposes
G01K 1/02 - Means for indicating or recording specially adapted for thermometers
G01K 7/22 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a non-linear resistance, e.g. thermistor
54.
A FLOW SYSTEM OF A DIALYSIS DEVICE AND A PORTABLE DIALYSIS DEVICE
There is provided a flow system of a dialysis device comprising: a dialysate conduit which is capable of being in fluid communication with the peritoneal cavity of a patient's body and of being in fluid communication with a flow path, said flow path allowing dialysate to flow from a patient's body to a sorbent capable of removing contaminants within said dialysate in an outflow mode and in an inflow mode returning said dialysate substantially free of contaminants to said patient's body; a pump for moving said dialysate along said flow path in both the outflow mode and inflow mode; and a plurality of valves disposed along said flow path and being configured to, in the outflow mode, allow said dialysate to flow from said dialysate conduit to said sorbent for removal of contaminants therein, and in the inflow mode, allow dialysate substantially free of said contaminants to flow back to said dialysate conduit for transmission to said patient's body. There is also provided a portable dialysis device comprising a housing having means for attachment to a patient's body, the housing comprising the flow system disclosed above.
There is provided a sorbent for removing metabolic waste products from a dialysis liquid, the sorbent comprising a layer of immobilized uremic toxin-treating enzyme particles intermixed with cation exchange particles.
B01D 15/04 - Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor with ion-exchange materials as adsorbents
B01J 20/22 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
patents
