GB201316759D0 - Particle Detection through chronoamperometric profiling - Google Patents

Particle Detection through chronoamperometric profiling

Info

Publication number
GB201316759D0
GB201316759D0 GBGB1316759.8A GB201316759A GB201316759D0 GB 201316759 D0 GB201316759 D0 GB 201316759D0 GB 201316759 A GB201316759 A GB 201316759A GB 201316759 D0 GB201316759 D0 GB 201316759D0
Authority
GB
United Kingdom
Prior art keywords
particles
sample
chronoamperometric
profiling
collide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GBGB1316759.8A
Other versions
GB2503167A (en
GB2503167B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oxford University Innovation Ltd
Original Assignee
Oxford University Innovation Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oxford University Innovation Ltd filed Critical Oxford University Innovation Ltd
Publication of GB201316759D0 publication Critical patent/GB201316759D0/en
Publication of GB2503167A publication Critical patent/GB2503167A/en
Application granted granted Critical
Publication of GB2503167B publication Critical patent/GB2503167B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/49—Systems involving the determination of the current at a single specific value, or small range of values, of applied voltage for producing selective measurement of one or more particular ionic species
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • 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, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/42—Measuring deposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte
    • 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 groups G01N1/00 - G01N31/00
    • G01N33/18—Water

Abstract

The present invention relates to a method of detecting (or identifying) particle(s) in a sample, particularly nanoparticles which, on entering the natural environment, may pose a public health risk. The method generally involves assessing the presence and/or properties of the particles in a sample from electrochemical responses yielded by the oxidative (or reductive) consumption/destruction of particles as they collide with a working electrode. In particular, the present invention allows identifying, quantifying, and characterising of particles in a sample via the electro-oxidation of particles which collide with working electrodes operating at a suitable potential difference.
GB1316759.8A 2011-02-23 2012-02-20 Particle Detection Active GB2503167B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB201103064A GB201103064D0 (en) 2011-02-23 2011-02-23 Particle detection
PCT/GB2012/050371 WO2012114087A1 (en) 2011-02-23 2012-02-20 Particle detection through chronoamperometric profiling

Publications (3)

Publication Number Publication Date
GB201316759D0 true GB201316759D0 (en) 2013-11-06
GB2503167A GB2503167A (en) 2013-12-18
GB2503167B GB2503167B (en) 2017-06-07

Family

ID=43881506

Family Applications (2)

Application Number Title Priority Date Filing Date
GB201103064A Ceased GB201103064D0 (en) 2011-02-23 2011-02-23 Particle detection
GB1316759.8A Active GB2503167B (en) 2011-02-23 2012-02-20 Particle Detection

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB201103064A Ceased GB201103064D0 (en) 2011-02-23 2011-02-23 Particle detection

Country Status (2)

Country Link
GB (2) GB201103064D0 (en)
WO (1) WO2012114087A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201307581D0 (en) * 2013-04-26 2013-06-12 Isis Innovation Detection and quantification of nanoparticles
CN110018089B (en) * 2019-03-11 2020-11-03 中南大学 High-sensitivity multifunctional electrochemical detection method based on single-particle collision

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007119081A1 (en) * 2006-04-19 2007-10-25 Institut Rudjer Boskovic Amperometric method and apparatus for measurement of soft particles in liquids by analyzing the adhesion of these particeles to an electrode
EP2160600A2 (en) * 2007-06-13 2010-03-10 Board of Regents, The University of Texas System Method and apparatus for metal nanoparticle electrocatalytic amplification
GB201121241D0 (en) * 2011-12-12 2012-01-18 Isis Innovation Labelled nanoparticles and methods for their modification and detection

Also Published As

Publication number Publication date
GB2503167A (en) 2013-12-18
GB2503167B (en) 2017-06-07
GB201103064D0 (en) 2011-04-06
WO2012114087A1 (en) 2012-08-30

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