ClassID:

169186

G01N33/523 - CPC Classification

Classification description:

Investigating or analysing materials by specific methods not covered by groups -; Biological material, e.g. blood, urine ; Haemocytometers; Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing; Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements; Single-layer analytical elements the element being adapted for a specific analyte

Recent Application in this class:
#1
20260133185
2026-05-14

TEST STRIP ASSEMBLY FOR ANALYSING BODILY FLUIDS AND DEVICES THEREOF

#2
20260086084
2026-03-26

TEST STRIP ASSEMBLY FOR ANALYSING BODILY FLUIDS AND DEVICES THEREOF

#3
20260027014
2026-01-29

DEVICES AND METHODS RELATED TO COLORIMETRIC DETECTION FOR DENTAL USES

#4
20250290166
2025-09-18

RNA SEPARATION AND RELATED TECHNIQUES FOR DETERMINING VIRUSES SUCH AS CORONAVIRUSES

#5
20250093203
2025-03-20

HANDHELD BLOOD MEASURING DEVICE USING NANOPOROUS ANODIC ALUMINUM OXIDE SUBSTRATE AND APPLICATION OF SAME

#6
20250034616
2025-01-30

SCREENING METHOD, DEVICE, AND KIT FOR DETECTING MUCOSAL CARBOHYDRATES AND ASSOCIATED CONDITIONS

#7
20250027882
2025-01-23

POLYMER DYE FOR DETECTING HYDROGEN PEROXIDE AND HYDROGEN PEROXIDE DETECTING MATERIAL

#8
20240425796
2024-12-26

METHOD AND APPARATUS OF QR-CODED, PAPER-BASED, COLORIMETRIC DETECTION OF VOLATILE BYPRODUCT FOR RAPID BACTERIA IDENTIFICATION

#9
20240369542
2024-11-07

HOT MELT ADHESIVE TO DETECT ANALYTES IN URINE

#10
20240337650
2024-10-10

A Paper-Based Sensor

#11
20240183711
2024-06-06

Handheld biomarker measuring device using nanoporous anodic aluminum oxide substrate and application of same

#12
20240110910
2024-04-04

RAPID TESTING MECHANISM AND METHOD FOR RESPIRATORY VIRAL PATHOGENS

#13
20240085406
2024-03-14

MULTI-CHAMBER DEVICE FOR DETECTING PATHOGENS/MOLECULES AND METHODS OF USING SAME

#14
20240002959
2024-01-04

RNA SEPARATION AND RELATED TECHNIQUES FOR DETERMINING VIRUSES SUCH AS CORONAVIRUSES

#15
20230358609
2023-11-09

Gold nanoporous anodic aluminum oxide substrate of at-home blood phenylalanine measuring device for phenylketonuria and applications thereof

#16
20230356215
2023-11-09

TEST STRIPS FOR DETERMINATION OF UREA LEVELS IN SALIVA AND FOR DETECTION OF AZOTEMIA OR KIDNEY DISEASE IN FELINE AND CANINE SUBJECTS

#17
20230349756
2023-11-02

Fabrication of gold nanoporous anodic aluminum oxide substrate of at-home blood phenylalanine measuring device for phenylketonuria

#18
20230341417
2023-10-26

KYNURENINE: USEFUL BIOMARKER IN ACUTE COVID-19 AND LONG COVID

#19
20230265482
2023-08-24

TRYPSIN DETECTION FILM, PREPARATION METHOD THEREFOR, APPLICATION THEREOF, AND TRYPSIN DETECTION KIT

#20
20230151443
2023-05-18

RNA separation and related techniques for determining viruses such as coronaviruses

#21
20230142304
2023-05-11

METHODS FOR CANNABINOID QUANTIFICATION

#22
20230057894
2023-02-23

At-home blood phenylalanine measuring device for phenylketonuria and applications thereof

#23
20220397535
2022-12-15

Coupon design for enhanced color sensitivity for colorimetric-based chemical analysis of liquids

#24
20220390422
2022-12-08

DETECTION OF TESTING ERRORS IN LATERAL FLOW ASSAYS

#25
20220341919
2022-10-27

TEST STRIP ASSEMBLY FOR ANALYSING BODILY FLUIDS AND DEVICES THEREOF

#26
20220299528
2022-09-22

REAGENT, TEST PAPER, REAGENT KIT, AND TEST PAPER KIT FOR DETECTING SULFHYDRYL COMPOUND, AND PREPARATION METHOD THEREOF

#27
20220299431
2022-09-22

ASSAY MEMBRANE TEST REGION LOCALIZATION

#28
20220298589
2022-09-22

RNA separation and related techniques for determining viruses such as coronaviruses

#29
20220290261
2022-09-15

PRIMER DESIGN AND USE FOR LOOP-MEDIATED ISOTHERMAL AMPLIFICATION (LAMP) PATHOGEN DETECTION

#30
20220249073
2022-08-11

INTEGRATED SAMPLE COLLECTION AND TEST DEVICE

#31
20220214338
2022-07-07

SARS-CoV-2 (COVID-19) NEUTRALIZING ANTIBODY TEST KIT AND TEST METHOD USING THE SAME

#32
20220163522
2022-05-26

COMPOSITIONS AND METHODS FOR RAPID COVID-19 DETECTION

#33
20220091117
2022-03-24

Sensor Device

#34
20220091106
2022-03-24

Method of producing test strip for colorimetric detection of calcium content in body fluid using CA-OCPC complex

#35
20220003754
2022-01-06

TWO DIMENSIONAL MATERIAL BASED PAPER MICROFLUIDIC DEVICE TO DETECT AND PREDICT ANALYTE CONCENTRATIONS IN MEDICAL AND NON-MEDICAL APPLICATIONS

#36
20210374646
2021-12-02

Product quality analysis and control

#37
20210364444
2021-11-25

Coupon design for enhanced color sensitivity for colorimetric-based chemical analysis of liquids

#38
20210311026
2021-10-07

Detection of ascorbic acid in a urine sample

#39
20210255171
2021-08-19

DEVICE AND METHOD FOR DISTINGUISHING SMOKING E-CIGARETTE FROM SMOKING CIGARETTE

#40
20210190766
2021-06-24

NBOMe test

#41
20210147900
2021-05-20

METHODS AND COMPOSITIONS FOR DETECTING BETA-HYDROXYBUTYRATE IN BIOLOGICAL FLUIDS

#42
20210130764
2021-05-06

METHOD AND APPARATUS OF QR-CODED, PAPER-BASED, COLORIMETRIC DETECTION OF VOLATILE BYPRODUCT FOR RAPID BACTERIA IDENTIFICATION

#43
20210096081
2021-04-01

Polymer dye for detecting hydrogen peroxide and structure for detecting hydrogen peroxide

#44
20210062241
2021-03-04

SCREENING METHOD, DEVICE, AND KIT FOR DETECTING MUCOSAL CARBOHYDRATES AND ASSOCIATED CONDITIONS

#45
20210003564
2021-01-07

KETONE BODY SENSING DEVICE AND METHOD

#46
20200300772
2020-09-24

Device and method for detection of humidity-compromised urine test strips

#47
20200292564
2020-09-17

Methods for cannabinoid quantification

#48
20200292532
2020-09-17

MINIATURIZED LATERAL FLOW DEVICE FOR RAPID AND SENSITIVE DETECTION OF PROTEINS OR NUCLEIC ACIDS

#49
20200275868
2020-09-03

GLUCOSE TEST ARRANGEMENT AND METHOD

#50
20200141866
2020-05-07

Biosensor for Conformation and Secondary Structure Analysis

#51
20200054251
2020-02-20

MEDIATED DRUG RELEASE FOR REDUCING IN VIVO ANALYTE INDICATOR DEGRADATION

#52
20190321818
2019-10-24

Single-channel, hybrid biosensor and sensor system including the same

#53
20190265168
2019-08-29

MATERIALS AND METHODS FOR THE QUANTIFICATION OF A FLUID

#54
20190257822
2019-08-22

SECURE MACHINE READABLE CODE-EMBEDDED DIAGNOSTIC TEST

#55
20190209064
2019-07-11

Analyte detection devices and methods with hematocrit/volume correction and feedback control

#56
20190167171
2019-06-06

ASPIRATORS WITH IN-LINE COLORIMETRIC TESTERS

#57
20190136241
2019-05-09

APTAMER-BASED ANALYTE ASSAYS

#58
20190128813
2019-05-02

Methods and devices for measuring the levels of analytes in body fluids

#59
20190056378
2019-02-21

System and method of measuring hematocrit

#60
20190025294
2019-01-24

Colorimetric filter paper assay for rapid monitoring of cholesterol level

#61
20190011426
2019-01-10

Nitrite detection device for detecting nitrite concentration

#62
20180345288
2018-12-06

Microfluidic systems

#63
20180328908
2018-11-15

Genetically encoded potassium ion indicators

#64
20180317844
2018-11-08

Device for determining fat expenditure from levels of ketone bodies that have passed through the skin and methods for determining the same

#65
20180238805
2018-08-23

Label-free detection of sialic acid using surface-enhanced Raman scattering microscopy

#66
20180208965
2018-07-26

Devices and formulations for detecting, screening and monitoring levels of certain constituents in bodily fluids and method

#67
20180180553
2018-06-28

Device and method for detection of humidity-compromised urine test strips

#68
20180156788
2018-06-07

Sensor Device

#69
20180142009
2018-05-24

Specific Detection of Clusterin Isoforms

#70
20180136190
2018-05-17

Biosensors for detecting cholesterol and OxLDL in blood sample

#71
20180128843
2018-05-10

Methods for cannabinoid quantification

#72
20180120312
2018-05-03

Fluid flow device on a porous substrate and method for making the same

#73
20180113110
2018-04-26

SAMPLE COLLECTION, MANAGEMENT, AND EVALUATION

#74
20170322202
2017-11-09

Fluidic device, transfer member, and method for fabricating fluidic device

#75
20170234897
2017-08-17

METHODS FOR CANNABINOID QUANTIFICATION

#76
20170211125
2017-07-27

Devices and formulations for detecting, screening and monitoring levels of certain constituents in bodily fluids and method

#77
20170198329
2017-07-13

DEVICE AND METHODS OF USING DEVICE FOR DETECTION OF AMINOACIDOPATHIES

#78
20170176418
2017-06-22

DEVICE FOR DETECTION OF DISEASE STATES AND APPLICATIONS OF SAME

#79
20170160271
2017-06-08

Miniaturized lateral flow device for rapid and sensitive detection of proteins or nucleic acids

#80
20170115229
2017-04-27

Apparatus for simultaneous detection of amines and thiols

#81
20170114395
2017-04-27

culture medium

#82
20170095188
2017-04-06

Analyte detection devices and methods with hematocrit/volume correction and feedback control

#83
20170023556
2017-01-26

Paper based diagnostic test

#84
20160298170
2016-10-13

Systems and methods for artificial test strip controls

#85
20160274105
2016-09-22

Lateral flow and flow-through bioassay devices based on patterned porous media, methods of making same, and methods of using same

#86
20160202247
2016-07-14

PHOTO-PATTERNABLE OPTICAL LUMINESCENCE DUAL SENSORS AND METHODS OF PREPARING AND USING THEM

#87
20160109433
2016-04-21

Apparatus for simultaneous detection of amines and thiols

#88
20160047799
2016-02-18

Detection of compounds in a dried fluid spot by direct MALDI/MS

#89
20160041151
2016-02-11

COMPOSITIONS AND METHODS FOR MONITORING OXALATE

#90
20160041102
2016-02-11

Poly(methyl methacrylate)-supported polydiacetylene films as colorimetric and/or fluorescent detectors

#91
20160033419
2016-02-04

Color-change sensor using film for detecting harmful material

#92
20150369747
2015-12-24

DEVICE AND METHOD FOR DETECTION OF HUMIDITY-COMPROMISED URINE TEST STRIPS

#93
20150346193
2015-12-03

SYSTEM AND METHOD FOR LABELING ESSENTIAL OILS

#94
20150176050
2015-06-25

Methods for performing dry chemistry, lateral flow-reconstituted chromatographic enzyme-driven assays

#95
20150152468
2015-06-04

Disposable test strip device for analyte detection in a body liquid sample

#96
20150044761
2015-02-12

Food safety detection device and manufacturing method for the same

#97
20140322097
2014-10-30

DEVICE FOR RAPID DETERMINATION OF DISEASE-ASSOCIATED THIOL COMPOUNDS

#98
20140302613
2014-10-09

Means for detecting oxygen free radicals in human body

#99
20140295472
2014-10-02

Paper Based Diagnostic Test

#100
20140273161
2014-09-18

Heavy metal remediation system

#101
20140234881
2014-08-21

Lateral flow and flow-through bioassay devices based on patterned porous media, methods of making same, and methods of using same

#102
20140227773
2014-08-14

Enzymatic cleavage based lateral flow assays

#103
20140212960
2014-07-31

Leukocyte measurement device and reagent kit

#104
20130330760
2013-12-12

Compositions and methods for monitoring oxalate

#105
20130196444
2013-08-01

Method and device for detection of an analyte

#106
20130196311
2013-08-01

Method and device for combined detection of viral and bacterial infections

#107
20130089474
2013-04-11

Apparatus for testing a liquid specimen

#108
20130084226
2013-04-04

SENSING TEST BLOCK WITH RAPID CONDUCTIVE REACTION EFFECT

#109
20130052675
2013-02-28

TESTING SYSTEM FOR DETERMINING HYPOXIA INDUCED CELLULAR DAMAGE

#110
20130040379
2013-02-14

Method for Measuring Low-Density Lipoprotein (LDL) Cholesterol and Test Piece for Measuring LDL Cholesterol

#111
20130023000
2013-01-24

Devices and formulations for detecting, screening and monitoring levels of certain constituents in bodily fluids and method

#112
20130022969
2013-01-24

Single-pad strip for an improved lateral flow assay and a test device using the same

#113
20130005044
2013-01-03

Rapid method to measure cyanide in biological samples

#114
20120275969
2012-11-01

Dry test strip for measuring calcium

#115
20120208286
2012-08-16

Pyridinium boronic acid quenchers for use in analyte sensors

#116
20120129266
2012-05-24

Method of detecting oxides of nitrogen

#117
20120100563
2012-04-26

Devices and formulations for detecting, screening and monitoring levels of certain constituents in bodily fluids and method

#118
20120089051
2012-04-12

Blood glucose meter having integral lancet device and test strip storage vial for single handed use and methods for using same

#119
20120045792
2012-02-23

Dried blood spotting paper device and method

#120
20120034645
2012-02-09

Methods and apparatuses for conducting assays

#121
20110312100
2011-12-22

Assay method for detecting primary amines

#122
20110287461
2011-11-24

ENZYMATIC ANALYTICAL MEMBRANE, TEST DEVICE AND METHOD

#123
20110281287
2011-11-17

Size self-limiting compositions and test devices for measuring analytes in biological fluids

#124
20110275104
2011-11-10

Device and method for detection of humidity-compromised urine test strips

#125
20110220570
2011-09-15

Heavy metal remediation system

#126
20110201909
2011-08-18

Analyte detection devices and methods with hematocrit-volume correction and feedback control

#127
20110171742
2011-07-14

Pyridinium boronic acid quenchers for use in analyte sensors

#128
20100323382
2010-12-23

Method for assaying bilirubin and assay instrument used in bilirubin assay

#129
20100317123
2010-12-16

Method and device for detection of an analyte

#130
20100297601
2010-11-25

Small volume and ultra speed colorimetric sensor

#131
20100267063
2010-10-21

Methods and apparatuses for conducting assays

#132
20100233747
2010-09-16

METHOD AND MEANS FOR THE ENZYMATIC DETERMINATION OF ETHANOL

#133
20100159495
2010-06-24

PROSECC AN MEANS FOR ENZYMATIC DETERMINATION OF ACETATE

#134
20100130757
2010-05-27

Compositions and methods for detecting nerve agents

#135
20100124778
2010-05-20

Forensic test strip and method for the detection of semen

#136
20100124760
2010-05-20

Zinc Test Strip and Method for the Detection of Semen

#137
20100099125
2010-04-22

Method for measuring low-density lipoprotein (LDL) cholesterol

#138
20100022008
2010-01-28

Compositions and methods for detecting nerve agents

#139
20090311142
2009-12-17

Device for rapid determination of disease-associated thiol compounds

#140
20090299161
2009-12-03

Marker of wound infection

#141
20090298191
2009-12-03

Lateral flow and flow-through bioassay devices based on patterned porous media, methods of making same, and methods of using same

#142
20090123955
2009-05-14

Size self-limiting compositions and test devices for measuring analytes in biological fluids

#143
20090047673
2009-02-19

Miniaturized lateral flow device for rapid and sensitive detection of proteins or nucleic acids

#144
20090011436
2009-01-08

Method of assaying glucose-6-phosphate dehydrogenase on a chromatographic test strip

#145
20080305009
2008-12-11

Pyridinium boronic acid quenchers for use in analyte sensors

#146
20080299669
2008-12-04

Methods and devices for analytical sensing of biogenic amines

#147
20080241854
2008-10-02

Kits and methods for evaluating hair

#148
20080182285
2008-07-31

Method for measuring animal α-amylase

#149
20080124749
2008-05-29

Device and method for measuring properties of a sample

#150
20080058631
2008-03-06

Blood glucose meter having integral lancet device and test strip storage vial for single handed use and methods for using same

#151
20080057528
2008-03-06

Detection of hydrogen peroxide released by enzyme-catalyzed oxidation of an analyte

#152
20080003629
2008-01-03

Device and method for detection of vitamins and nutritional minerals

#153
20070293790
2007-12-20

Diagnostic system for determining substance concentrations in liquid samples

#154
20070224689
2007-09-27

Method for predicting or identifying the onset of premature membrane rupture during pregnancy

#155
20070154973
2007-07-05

Hygiene Monitoring

#156
20070134740
2007-06-14

Compositions and articles for detection of analytes exceeding a pre-set threshold

#157
20070117171
2007-05-24

METHOD OF MANUFACTURING A DIAGNOSTIC TEST STRIP

#158
20070015287
2007-01-18

METHODS AND DEVICES FOR MEASURING ANALYTE CONCENTRATION IN A NONBLOOD BODY FLUID SAMPLE

#159
20060281187
2006-12-14

Analyte detection devices and methods with hematocrit/volume correction and feedback control

#160
20060243591
2006-11-02

Electrochemical-based analytical test strip with hydrophilicity enhanced metal electrodes

#161
20060223052
2006-10-05

Technique for detecting microorganisms

#162
20060140818
2006-06-29

Tool for analyzing specimen

#163
20060134314
2006-06-22

Coating solution for glucose sensing membrane and method of manufacturing optical glucose sensor chip

#164
20060121548
2006-06-08

Systems and methods for measuring sodium concentration in saliva

#165
20060051738
2006-03-09

Dual glucose-turbidimetric analytical sensors

#166
20060019319
2006-01-26

Methods and apparatuses for conducting assays

#167
20060008920
2006-01-12

Combination assay for alcohol and drugs of abuse

#168
20050266574
2005-12-01

Test strip for creatinine determination

#169
20050266450
2005-12-01

Method for analyzing a target nucleic acid fragment and a kit for analyzing a target nucleic acid fragment

#170
20050250165
2005-11-10

Test piece for measuring high-density lipoprotein (HDL) cholesterol

#171
20050240119
2005-10-27

Blood glucose meter having integral lancet device and test strip storage vial for single handed use and methods for using same

#172
20050220712
2005-10-06

Method for determining mucosal neutrophil counts in neutropenia patents

#173
20050191704
2005-09-01

Assay devices utilizing chemichromic dyes

#174
20050014213
2005-01-20

Method of colorimetry and reagent for use therein

#175
14267037
2015-07-28

Tissue specimen bottle with color indicator in lid verifying and confirming presence of human tissue or blood contained in specimen bottle