GB2528018A - Detection and quantification of nanoparticles - Google Patents

Detection and quantification of nanoparticles Download PDF

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Publication number
GB2528018A
GB2528018A GB1520153.6A GB201520153A GB2528018A GB 2528018 A GB2528018 A GB 2528018A GB 201520153 A GB201520153 A GB 201520153A GB 2528018 A GB2528018 A GB 2528018A
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GB
United Kingdom
Prior art keywords
nanoparticles
sample
substrate
quantification
detection
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
GB1520153.6A
Other versions
GB201520153D0 (en
GB2528018B (en
Inventor
Richard Guy Compton
Kristina Tschulik
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
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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.)
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Publication date
Application filed by Oxford University Innovation Ltd filed Critical Oxford University Innovation Ltd
Publication of GB201520153D0 publication Critical patent/GB201520153D0/en
Publication of GB2528018A publication Critical patent/GB2528018A/en
Application granted granted Critical
Publication of GB2528018B publication Critical patent/GB2528018B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G01N27/42—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
    • 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
    • G01N27/48—Systems using polarography, i.e. measuring changes in current under a slowly-varying voltage
    • 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
    • G01N33/1813—Specific cations in water, e.g. heavy metals

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

The present application provides a method of detecting nanoparticles in a sample comprising: a. immersion of a substrate in the sample, wherein, if the nanoparticles are present in the sample, at least some of the nanoparticles are immobilized on the substrate; b. analysing the substrate to determine the presence of, identity of the material of and/or quantity of the nanoparticles on the substrate and/or in the sample. A device for carrying out the method is also disclosed. In a preferred embodiment, silver nanoparticles (AgNPs) are detected in situ in the environment, eg. sea water, by immersing a cysteine modified glassy carbon (GC) electrode in a sample and detecting adsorbed silver using anodic stripping voltammetry (ASV).
GB1520153.6A 2013-04-26 2014-04-25 Detection and quantification of silver nanoparticles Active GB2528018B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB201307581A GB201307581D0 (en) 2013-04-26 2013-04-26 Detection and quantification of nanoparticles
PCT/GB2014/051284 WO2014174304A1 (en) 2013-04-26 2014-04-25 Detection and quantification of nanoparticles

Publications (3)

Publication Number Publication Date
GB201520153D0 GB201520153D0 (en) 2015-12-30
GB2528018A true GB2528018A (en) 2016-01-06
GB2528018B GB2528018B (en) 2018-08-29

Family

ID=48626903

Family Applications (2)

Application Number Title Priority Date Filing Date
GB201307581A Ceased GB201307581D0 (en) 2013-04-26 2013-04-26 Detection and quantification of nanoparticles
GB1520153.6A Active GB2528018B (en) 2013-04-26 2014-04-25 Detection and quantification of silver nanoparticles

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB201307581A Ceased GB201307581D0 (en) 2013-04-26 2013-04-26 Detection and quantification of nanoparticles

Country Status (2)

Country Link
GB (2) GB201307581D0 (en)
WO (1) WO2014174304A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2612845C1 (en) * 2015-11-02 2017-03-13 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский государственный университет" (ТГУ, НИ ТГУ) METHOD FOR DETERMINING Au, Ni AND Cu NANOPARTICLES IN LIQUID OBJECTS

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4829007A (en) * 1988-08-16 1989-05-09 Ralf Koslow Process for detecting a plateable metal in an aqueous fluid
WO2012114087A1 (en) * 2011-02-23 2012-08-30 Isis Innovation Limited Particle detection through chronoamperometric profiling

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4829007A (en) * 1988-08-16 1989-05-09 Ralf Koslow Process for detecting a plateable metal in an aqueous fluid
WO2012114087A1 (en) * 2011-02-23 2012-08-30 Isis Innovation Limited Particle detection through chronoamperometric profiling

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"MSc Thesis: Modification of Glassy Carbon Electrodes with Diazonium Cation Terminated Films", 1 January 2011, UNIVERSITY OF CANTERBURY, CHRISTCHURCH, NZ, article LITA LEE: "Chapter 4. Formation and Reactions of Sticky Surface with Nanoparticles and Aniline", pages: 59 - 83, XP055127561 *
W CHENG; E J E STUART; K TSCHULIK; J T CULLEN; R G COMPTON: "A disposable sticky electrode for the detection of commercial silver NPs in seawater", NANOTECHNOLOGY., IOP, BRISTOL., GB, vol. 24, no. 50, 22 November 2013 (2013-11-22), GB, pages 505501, XP020255238, ISSN: 0957-4484, DOI: 10.1088/0957-4484/24/50/505501 *
YI-GE ZHOU; NEIL V. REES; RICHARD G. COMPTON;: "Electrodenanoparticle collisions: The measurement of the sticking coefficient of silver nanoparticles on a glassy carbon electrode", CHEMICAL PHYSICS LETTERS, ELSEVIER BV, NL, vol. 514, no. 4, 30 August 2011 (2011-08-30), NL, pages 291 - 293, XP028299780, ISSN: 0009-2614, DOI: 10.1016/j.cplett.2011.08.090 *

Also Published As

Publication number Publication date
GB201520153D0 (en) 2015-12-30
WO2014174304A1 (en) 2014-10-30
GB201307581D0 (en) 2013-06-12
GB2528018B (en) 2018-08-29

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