Nothing Special   »   [go: up one dir, main page]

Berzina et al., 2019 - Google Patents

Continuous micellar electrokinetic focusing of neutral species driven by ion concentration polarization

Berzina et al., 2019

View HTML
Document ID
10521715974559777746
Author
Berzina B
Anand R
Publication year
Publication venue
Lab on a Chip

External Links

Snippet

Ion concentration polarization (ICP) has been broadly applied to accomplish electrokinetic focusing of charged species. However, ICP-based extraction and enrichment of uncharged (neutral) compounds, important for pharmaceutical, biological, and environmental …
Continue reading at pubs.rsc.org (HTML) (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/447—Systems using electrophoresis
    • G01N27/44704—Details; Accessories
    • G01N27/44747—Composition of gel or of carrier mixture
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/447—Systems using electrophoresis
    • G01N27/44704—Details; Accessories
    • G01N27/44743—Introducing samples
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/447—Systems using electrophoresis
    • G01N27/44756—Apparatus specially adapted therefor
    • G01N27/44791—Micro-apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/447—Systems using electrophoresis
    • G01N27/44704—Details; Accessories
    • G01N27/44717—Arrangements for investigating the separated zones, e.g. localising zones
    • G01N27/44721—Arrangements for investigating the separated zones, e.g. localising zones by optical means
    • G01N27/44726—Arrangements for investigating the separated zones, e.g. localising zones by optical means using specific dyes, markers or binding molecules
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/48—Investigating or analysing materials by specific methods not covered by the preceding groups biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay
    • G01N33/558—Immunoassay; Biospecific binding assay using diffusion or migration of antigen or antibody
    • G01N33/561—Immunoelectrophoresis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/42—Measuring disposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte
    • G01N27/423—Coulometry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated micro-fluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/40—Concentrating samples
    • G01N1/4077—Concentrating samples by other techniques involving separation of suspended solids

Similar Documents

Publication Publication Date Title
Nakano et al. Immunoglobulin G and bovine serum albumin streaming dielectrophoresis in a microfluidic device
Fu et al. Sample preconcentration from dilute solutions on micro/nanofluidic platforms: A review
Nakano et al. Insulator-based dielectrophoresis with β-galactosidase in nanostructured devices
Berzina et al. Continuous micellar electrokinetic focusing of neutral species driven by ion concentration polarization
Zhou et al. Surface-charge induced ion depletion and sample stacking near single nanopores in microfluidic devices
Knust et al. Dual-channel bipolar electrode focusing: simultaneous separation and enrichment of both anions and cations
Sheridan et al. Bipolar electrode depletion: membraneless filtration of charged species using an electrogenerated electric field gradient
Berzina et al. Tutorial review: Enrichment and separation of neutral and charged species by ion concentration polarization focusing
Hsu et al. Manipulation of protein translocation through nanopores by flow field control and application to nanopore sensors
Ma et al. Two orders of magnitude electrokinetic stacking of proteins in one minute on a simple paper fluidic channel
Morales et al. Continuous microfluidic DNA and protein trapping and concentration by balancing transverse electrokinetic forces
Song et al. Concurrent DNA preconcentration and separation in bipolar electrode-based microfluidic device
Ceriotti et al. Low‐density lipoprotein analysis in microchip capillary electrophoresis systems
Krishnamurthy et al. Recent advances in microscale extraction driven by ion concentration polarization
Chen et al. Salty biofluidic sample clean-up and preconcentration with a paper-based ion concentration polarization interface
US20170219523A1 (en) Extraction and concentration device
TWI322032B (en) Microfluid mixer
Pi et al. 3D printed micro/nanofluidic preconcentrator for charged sample based on ion concentration polarization
Das et al. A multi‐module microfluidic platform for continuous pre‐concentration of water‐soluble ions and separation of oil droplets from oil‐in‐water (O/W) emulsions using a DC‐biased AC electrokinetic technique
Jen et al. Sample preconcentration utilizing nanofractures generated by junction gap breakdown assisted by self-assembled monolayer of gold nanoparticles
Lee et al. Folding-paper-based preconcentrator for low dispersion of preconcentration plug
Li et al. On-chip DNA preconcentration in different media conductivities by electrodeless dielectrophoresis
Chen et al. Effects of microchannel geometry on preconcentration intensity in microfluidic chips with straight or convergent–divergent microchannels
Shallan et al. Electrokinetics for sample preparation of biological molecules in biological samples using microfluidic systems
US11904318B2 (en) Concentration enrichment, separation and cation exchange in water-in-oil droplets