EP3891497A4 - Differential sensor measurement methods and devices - Google Patents

Differential sensor measurement methods and devices Download PDF

Info

Publication number
EP3891497A4
EP3891497A4 EP19892606.5A EP19892606A EP3891497A4 EP 3891497 A4 EP3891497 A4 EP 3891497A4 EP 19892606 A EP19892606 A EP 19892606A EP 3891497 A4 EP3891497 A4 EP 3891497A4
Authority
EP
European Patent Office
Prior art keywords
devices
sensor measurement
measurement methods
differential sensor
differential
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.)
Pending
Application number
EP19892606.5A
Other languages
German (de)
French (fr)
Other versions
EP3891497A1 (en
Inventor
Pritiraj Mohanty
Shyamsunder Erramilli
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.)
FemtoDx Inc
Original Assignee
FemtoDx Inc
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
Priority claimed from US16/211,199 external-priority patent/US20200088723A1/en
Application filed by FemtoDx Inc filed Critical FemtoDx Inc
Publication of EP3891497A1 publication Critical patent/EP3891497A1/en
Publication of EP3891497A4 publication Critical patent/EP3891497A4/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G01N33/48—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; Materials therefor
    • G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54366—Apparatus specially adapted for solid-phase testing
    • G01N33/54373—Apparatus specially adapted for solid-phase testing involving physiochemical end-point determination, e.g. wave-guides, FETS, gratings
    • G01N33/5438—Electrodes
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/001—Enzyme electrodes
    • 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
    • G01N27/403—Cells and electrode assemblies
    • G01N27/414—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS
    • G01N27/4145—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS specially adapted for biomolecules, e.g. gate electrode with immobilised receptors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
EP19892606.5A 2018-12-05 2019-12-05 Differential sensor measurement methods and devices Pending EP3891497A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/211,199 US20200088723A1 (en) 2013-10-09 2018-12-05 Differential sensor measurement methods and devices
PCT/US2019/064678 WO2020118052A1 (en) 2018-12-05 2019-12-05 Differential sensor measurement methods and devices

Publications (2)

Publication Number Publication Date
EP3891497A1 EP3891497A1 (en) 2021-10-13
EP3891497A4 true EP3891497A4 (en) 2022-09-28

Family

ID=70974400

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19892606.5A Pending EP3891497A4 (en) 2018-12-05 2019-12-05 Differential sensor measurement methods and devices

Country Status (3)

Country Link
EP (1) EP3891497A4 (en)
JP (1) JP2022511068A (en)
WO (1) WO2020118052A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140162893A1 (en) * 2011-03-31 2014-06-12 Sapient Sensors Limited Aptamer Coated Measurement and Reference Electrodes and Methods Using Same for Biomarker Detection
WO2015192064A1 (en) * 2014-06-12 2015-12-17 The Trustees Of Columbia University In The City Of New York Graphene-based nanosensor for identifying target analytes
US20160209356A1 (en) * 2014-12-30 2016-07-21 Avails Medical, Inc. Systems and methods for detecting a substance in bodily fluid

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728882A (en) * 1986-04-01 1988-03-01 The Johns Hopkins University Capacitive chemical sensor for detecting certain analytes, including hydrocarbons in a liquid medium
CA2325886C (en) * 1998-04-09 2009-07-21 California Institute Of Technology Electronic techniques for analyte detection
KR100975010B1 (en) * 2008-02-29 2010-08-09 성균관대학교산학협력단 Physical sensor using piezoelectric microcantilever and manufacturing method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140162893A1 (en) * 2011-03-31 2014-06-12 Sapient Sensors Limited Aptamer Coated Measurement and Reference Electrodes and Methods Using Same for Biomarker Detection
WO2015192064A1 (en) * 2014-06-12 2015-12-17 The Trustees Of Columbia University In The City Of New York Graphene-based nanosensor for identifying target analytes
US20160209356A1 (en) * 2014-12-30 2016-07-21 Avails Medical, Inc. Systems and methods for detecting a substance in bodily fluid

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020118052A1 *

Also Published As

Publication number Publication date
EP3891497A1 (en) 2021-10-13
JP2022511068A (en) 2022-01-28
WO2020118052A1 (en) 2020-06-11

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RIC1 Information provided on ipc code assigned before grant

Ipc: G01N 27/414 20060101ALI20220824BHEP

Ipc: H01L 23/48 20060101ALI20220824BHEP

Ipc: G01N 29/02 20060101ALI20220824BHEP

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Ipc: G01N 27/22 20060101AFI20220824BHEP