Abstract

The method for particle analysis includes a first magnetic susceptibility measurement step S4 of measuring a volume magnetic susceptibility of each of first particles p1; an encapsulation treatment step S5 of performing an encapsulation treatment so that the first particles p1 encapsulate an encapsulation target component pt smaller than the first particles p1; a second magnetic susceptibility measurement step S8 of measuring a volume magnetic susceptibility of each of second particles p2 as an analysis target that are the first particles p1 after the encapsulation treatment; and a step S9 of analyzing whether or not the encapsulation target component pt is encapsulated in the second particles p2 based on a result of measurement in the first magnetic susceptibility measurement step S4 and a result of measurement in the second magnetic susceptibility measurement step S8.

IPC Classes  ?

• G01N 27/76 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids by investigating susceptibility
• A23L 27/00 - SpicesFlavouring agents or condimentsArtificial sweetening agentsTable saltsDietetic salt substitutesPreparation or treatment thereof
• A23P 10/30 - Encapsulation of particles, e.g. foodstuff additives
• B01J 13/02 - Making microcapsules or microballoons
• G01N 15/00 - Investigating characteristics of particlesInvestigating permeability, pore-volume or surface-area of porous materials
• G01N 15/10 - Investigating individual particles
• G01N 15/1031 - Investigating individual particles by measuring electrical or magnetic effects
• B01J 13/04 - Making microcapsules or microballoons by physical processes, e.g. drying, spraying

Abstract

A magnetic field generation device (100) includes a first magnet (1), a second magnet (2), and a position adjustment mechanism (5). The second magnet (2), together with the first magnet (1), generates a magnetic field. The position adjustment mechanism (5) adjusts a position of the first magnet (1). The magnetic field generation device (100) controls the value of the product of a magnetic flux density and a magnetic flux density gradient in the magnetic field through the adjustment of the position of the first magnet (1) by the position adjustment mechanism (5).

IPC Classes  ?

• G01N 27/76 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids by investigating susceptibility
• G01N 27/447 - Systems using electrophoresis
• G01R 33/16 - Measuring susceptibility

Abstract

A particle analyzing apparatus (10) includes a processor (42) and storage (41). The processor (42) acquires a volume magnetic susceptibility of an analyte particle (p). The storage (41) stores reference data (43). The reference data (43) indicates a volume magnetic susceptibility of a reference particle of the same type as a type of the analyte particle (p) for each of possible crystal forms of the analyte particle (p). The processor (42) determines a crystal form of the analyte particle (p) on the basis of the volume magnetic susceptibility of the analyte particle (p) and the reference data (43).

IPC Classes  ?

• G01N 15/10 - Investigating individual particles
• G01N 15/02 - Investigating particle size or size distribution

Abstract

This structure is provided with an electrolytic material and a carrier for carrying the electrolytic material. The carrier contains a plurality of particles, each of which has pores. A graph representing the proportion of the number of the particles with respect to the volume susceptibility contains a peak waveform, and the ratio between a half-value width and a peak value of the peak waveform shows a value less than 1.0×10-6.

IPC Classes  ?

• H01G 11/06 - Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
• H01G 11/24 - Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosityElectrodes characterised by the structural features of powders or particles used therefor
• H01M 4/96 - Carbon-based electrodes
• H01M 8/10 - Fuel cells with solid electrolytes

Abstract

An analyzing device (10) is provided with a magnetic field generating unit (20), an observation unit (30), a processing unit (42) and a storage unit (41). The magnetic field generating unit (20) generates a magnetic field to cause magnetophoresis of a particulate organism (p) being analyzed. The observation unit (30) observes the particulate organism (p). The processing unit (42) measures the magnetophoretic velocity and the particle size of the particulate organism (p) from observation results obtained by the observation unit (30), and measures the bulk susceptibility of the particulate organism (p) on the basis of the measured magnetophoretic velocity and particle size. The storage unit (41) stores reference data (43) indicating a relationship between the bulk susceptibility and the particle size of a reference particulate organism. Further, the processing unit (42) analyzes the particulate organism (p) by comparing the bulk susceptibility and the particle size of the particulate organism (p) with the reference data (43).

IPC Classes  ?

• G01N 27/72 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
• C12M 1/42 - Apparatus for the treatment of microorganisms or enzymes with electrical or wave energy, e.g. magnetism, sonic wave
• C12Q 1/02 - Measuring or testing processes involving enzymes, nucleic acids or microorganismsCompositions thereforProcesses of preparing such compositions involving viable microorganisms
• G01N 15/02 - Investigating particle size or size distribution

Abstract

c), a power source (5), and a laser light source (6). The migration section causes migration of particles contained in a medium loaded into the measurement cell (2) by at least two of a magnetophoresis method, a dielectrophoresis method, an electromagnetophoresis method, and a photophoresis method. The measurement section (10) performs determination of a physical quantity of the particles and determination of a migration rate of the particles.

IPC Classes  ?

• G01N 15/02 - Investigating particle size or size distribution
• G01N 9/00 - Investigating density or specific gravity of materialsAnalysing materials by determining density or specific gravity
• G01N 15/10 - Investigating individual particles
• G01N 15/14 - Optical investigation techniques, e.g. flow cytometry
• G01N 27/72 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
• G01N 15/00 - Investigating characteristics of particlesInvestigating permeability, pore-volume or surface-area of porous materials

Abstract

A volume susceptibility (χs1) of a first dispersoid particle (s1) is obtained. A second dispersoid particle (s2) that is the first dispersoid particle (s1) to which an adsorbate is adsorbed is obtained. A volume susceptibility (χs2) of the second dispersoid particle (s2) is obtained. An amount of a functional group of the first dispersoid particle (s1) is analyzed through obtaining an amount of the adsorbate included in the second dispersoid particle (s2) based on the volume susceptibilities (χs1) and (χs2) of the first and second dispersoid particles (s1) and (s2).

IPC Classes  ?

• G01N 27/76 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids by investigating susceptibility
• G01N 15/06 - Investigating concentration of particle suspensions
• G01N 15/08 - Investigating permeability, pore volume, or surface area of porous materials
• G01N 15/10 - Investigating individual particles
• G01N 15/14 - Optical investigation techniques, e.g. flow cytometry

Abstract

A magnetic field generation device (100) is provided with a first magnet (1), a second magnet (2), and a position adjustment mechanism (5). The second magnet (2) generates a magnetic field with the first magnet (1). The position adjustment mechanism (5) adjusts the position of the first magnet (1). The magnetic field generation device (100) controls the value of the product of a magnetic flux density and a magnetic flux density gradient in the magnetic field by means of the adjustment of the position of the first magnet (1), said adjustment being to be made by the position adjustment mechanism (5).

IPC Classes  ?

• G01R 33/16 - Measuring susceptibility
• G01N 27/26 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variablesInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by using electrolysis or electrophoresis

Abstract

Volume susceptibilities (χs) of dispersoid particles (s) dispersed in a dispersion medium (m) are first obtained by magnetophoresis. Affinity of the dispersoid particles (s) for the dispersion medium (m) is then analyzed using the volume susceptibilities (χs) of the respective dispersoid particles (s) and a volume susceptibility (χm) of the dispersion medium (m).

IPC Classes  ?

• G01N 27/76 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids by investigating susceptibility
• G01R 33/16 - Measuring susceptibility
• G01R 33/12 - Measuring magnetic properties of articles or specimens of solids or fluids
• G01N 15/08 - Investigating permeability, pore volume, or surface area of porous materials
• G01N 15/10 - Investigating individual particles

Abstract

A particle analyzing device (10) is provided with a processing device (42) and a storage device (41). The processing device (42) acquires a bulk susceptibility of a particle (p) being analyzed. The storage device (41) stores reference data (43). The reference data (43) represent the bulk susceptibility of a reference particle of the same type as the particle (p) being analyzed, for each crystal form that the particle (p) being analyzed is capable of adopting. The processing device (42) determines the crystal form of the particle (p) being analyzed on the basis of the bulk susceptibility of the particle (p) being analyzed and the reference data (43).

IPC Classes  ?

• G01N 27/76 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids by investigating susceptibility

Abstract

In order to enable magnetic susceptibility to be measured even in a range of particle diameters smaller than by the prior art, and to measure magnetic susceptibility in the same manner also in the particle diameter range of measurement of the prior art, the present invention is provided with a first particle diameter calculation unit for calculating the particle diameter of a particle on the basis of the size of the particle in an image captured by an imaging mechanism, a second particle diameter calculation unit for calculating the particle diameter of the particle by a dynamic light scattering method or a static light scattering method on the basis of the intensity of particle-scattered light indicated by an output signal outputted from a scattered-light detector, and a magnetic susceptibility calculation unit 6 for calculating the magnetic susceptibility of the particle on the basis of a magnetophoresis speed of the particle and the particle diameter of the particle, and the present invention is configured so that the magnetic susceptibility calculation unit calculates the magnetic susceptibility using the particle diameter calculated by the first particle diameter calculation unit when the particle has a diameter equal to or greater than a first particle diameter, and the magnetic susceptibility calculation unit calculates the magnetic susceptibility using the particle diameter calculated by the second particle diameter calculation unit when the particle has a diameter less than the first particle diameter.

IPC Classes  ?

• G01N 27/76 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids by investigating susceptibility
• G01N 15/02 - Investigating particle size or size distribution
• G01N 21/49 - Scattering, i.e. diffuse reflection within a body or fluid

Abstract

A particle analysis device (1) comprising a measurement cell (2) and a measurement unit (10). The particle analysis device (1) also comprises a phoresis unit. The phoresis unit includes magnets (3a, 3b), electrodes (4a, 4b, 4c), a power supply (5), and a laser light source (6). The phoresis unit causes phoresis of particles included in a medium injected into a measurement cell (2), by using at least two methods selected from magnetophoresis, dielectrophoresis, electromagnetic phoresis, and photophoresis. The measurement unit (10) measures both the physical amount of particles and the phoresis speed of the particles.

IPC Classes  ?

• G01N 15/00 - Investigating characteristics of particlesInvestigating permeability, pore-volume or surface-area of porous materials
• G01N 15/02 - Investigating particle size or size distribution
• G01N 27/00 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
• G01N 27/72 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables

Abstract

The present invention obtains the bulk magnetic susceptibility (χs1) of a first dispersoid (s1), produces a second dispersoid (s2) obtained by adsorbing an adsorbate to a first dispersoid (s1), obtains the bulk magnetic susceptibility (χs2) of the second dispersoid (s2), and on the basis of the bulk magnetic susceptibility (χs1) of the first dispersoid (s1) and the bulk magnetic susceptibility (χs2) of the second dispersoid (s2), obtains the amount of the adsorbed adsorbate in the second dispersoid (s2), and analyzes the amount of a functional group in the first dispersoid (s1).

IPC Classes  ?

• G01N 27/76 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids by investigating susceptibility

Abstract

First, the present invention obtains the bulk magnetic susceptibility (χs) of a dispersoid (s) in a dispersion medium (m) by using the magnetophoresis method. Next, the present invention analyzes the affinity of the dispersoid (s) for the dispersion medium (m) by using the bulk magnetic susceptibility (χs) of the dispersoid (s) and the bulk magnetic susceptibility (χm) of the medium (m).

IPC Classes  ?

• G01N 27/76 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids by investigating susceptibility