CA2380925A1 - Ph sensor for indicating the ph of a sample, the fabrication and use thereof - Google Patents
Ph sensor for indicating the ph of a sample, the fabrication and use thereof Download PDFInfo
- Publication number
- CA2380925A1 CA2380925A1 CA002380925A CA2380925A CA2380925A1 CA 2380925 A1 CA2380925 A1 CA 2380925A1 CA 002380925 A CA002380925 A CA 002380925A CA 2380925 A CA2380925 A CA 2380925A CA 2380925 A1 CA2380925 A1 CA 2380925A1
- Authority
- CA
- Canada
- Prior art keywords
- units
- sensor
- synthetic membrane
- membrane
- indicator dye
- 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.)
- Abandoned
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000012528 membrane Substances 0.000 claims abstract description 104
- 239000007793 ph indicator Substances 0.000 claims abstract description 77
- 230000000740 bleeding effect Effects 0.000 claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 18
- 230000000007 visual effect Effects 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 230000007935 neutral effect Effects 0.000 claims abstract description 14
- 238000007654 immersion Methods 0.000 claims abstract description 13
- 239000000975 dye Substances 0.000 claims description 102
- 238000000034 method Methods 0.000 claims description 65
- 230000008859 change Effects 0.000 claims description 43
- 239000002250 absorbent Substances 0.000 claims description 41
- 230000002745 absorbent Effects 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 23
- 239000004677 Nylon Substances 0.000 claims description 22
- 229920001778 nylon Polymers 0.000 claims description 22
- 230000036541 health Effects 0.000 claims description 21
- 210000003756 cervix mucus Anatomy 0.000 claims description 20
- 206010046901 vaginal discharge Diseases 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 19
- 230000028327 secretion Effects 0.000 claims description 9
- 239000004952 Polyamide Substances 0.000 claims description 7
- 229920002647 polyamide Polymers 0.000 claims description 7
- 239000008366 buffered solution Substances 0.000 claims description 5
- 230000003100 immobilizing effect Effects 0.000 claims description 5
- 208000004926 Bacterial Vaginosis Diseases 0.000 description 19
- 208000037009 Vaginitis bacterial Diseases 0.000 description 19
- 238000012360 testing method Methods 0.000 description 17
- 210000004027 cell Anatomy 0.000 description 16
- 239000012530 fluid Substances 0.000 description 15
- 239000008267 milk Substances 0.000 description 10
- 210000004080 milk Anatomy 0.000 description 10
- 235000013336 milk Nutrition 0.000 description 10
- FRPHFZCDPYBUAU-UHFFFAOYSA-N Bromocresolgreen Chemical compound CC1=C(Br)C(O)=C(Br)C=C1C1(C=2C(=C(Br)C(O)=C(Br)C=2)C)C2=CC=CC=C2S(=O)(=O)O1 FRPHFZCDPYBUAU-UHFFFAOYSA-N 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 5
- 229940012189 methyl orange Drugs 0.000 description 5
- 241001676635 Lepidorhombus whiffiagonis Species 0.000 description 4
- 241000287436 Turdus merula Species 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 241000283690 Bos taurus Species 0.000 description 3
- 208000031462 Bovine Mastitis Diseases 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 238000003556 assay Methods 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- MKNQNPYGAQGARI-UHFFFAOYSA-N 4-(bromomethyl)phenol Chemical compound OC1=CC=C(CBr)C=C1 MKNQNPYGAQGARI-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 2
- 208000019802 Sexually transmitted disease Diseases 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- XBLIFEQTVVSTIM-UHFFFAOYSA-L chembl2105392 Chemical compound [Na+].[Na+].[O-]S(=O)(=O)C1=CC2=CC(S([O-])(=O)=O)=CC=C2C(O)=C1N=NC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O XBLIFEQTVVSTIM-UHFFFAOYSA-L 0.000 description 2
- 238000004737 colorimetric analysis Methods 0.000 description 2
- IQFVPQOLBLOTPF-HKXUKFGYSA-L congo red Chemical compound [Na+].[Na+].C1=CC=CC2=C(N)C(/N=N/C3=CC=C(C=C3)C3=CC=C(C=C3)/N=N/C3=C(C4=CC=CC=C4C(=C3)S([O-])(=O)=O)N)=CC(S([O-])(=O)=O)=C21 IQFVPQOLBLOTPF-HKXUKFGYSA-L 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 210000002919 epithelial cell Anatomy 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- MDGFKZKMIQQRPU-UHFFFAOYSA-N 2-bromo-4-[3-(3-bromo-5-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-6-chlorophenol Chemical compound C1=C(Br)C(O)=C(Cl)C=C1C1(C=2C=C(Br)C(O)=C(Cl)C=2)C2=CC=CC=C2S(=O)(=O)O1 MDGFKZKMIQQRPU-UHFFFAOYSA-N 0.000 description 1
- 235000005979 Citrus limon Nutrition 0.000 description 1
- 244000131522 Citrus pyriformis Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 241001502500 Trichomonadida Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- -1 amine salts Chemical class 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- NUHCTOLBWMJMLX-UHFFFAOYSA-N bromothymol blue Chemical compound BrC1=C(O)C(C(C)C)=CC(C2(C3=CC=CC=C3S(=O)(=O)O2)C=2C(=C(Br)C(O)=C(C(C)C)C=2)C)=C1C NUHCTOLBWMJMLX-UHFFFAOYSA-N 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000003283 colorimetric indicator Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000000265 leukocyte Anatomy 0.000 description 1
- 208000004396 mastitis Diseases 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 208000026777 severe mastitis Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- STZCRXQWRGQSJD-UHFFFAOYSA-M sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate Chemical compound [Na+].C1=CC(N(C)C)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-UHFFFAOYSA-M 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
- G01N31/221—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating pH value
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/80—Indicating pH value
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/372,571 US6562297B1 (en) | 1999-08-12 | 1999-08-12 | pH sensor for indicating the pH of a sample |
| US09/372,571 | 1999-08-12 | ||
| PCT/US2000/021129 WO2001013097A1 (en) | 1999-08-12 | 2000-08-03 | pH SENSOR FOR INDICATING THE pH OF A SAMPLE, THE FABRICATION AND USE THEREOF |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2380925A1 true CA2380925A1 (en) | 2001-02-22 |
Family
ID=23468732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002380925A Abandoned CA2380925A1 (en) | 1999-08-12 | 2000-08-03 | Ph sensor for indicating the ph of a sample, the fabrication and use thereof |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6562297B1 (enExample) |
| EP (1) | EP1208368A4 (enExample) |
| JP (1) | JP2003507706A (enExample) |
| AU (1) | AU6397300A (enExample) |
| CA (1) | CA2380925A1 (enExample) |
| IL (2) | IL148108A0 (enExample) |
| WO (1) | WO2001013097A1 (enExample) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070134740A1 (en) * | 2005-12-12 | 2007-06-14 | David Brusilovsky | Compositions and articles for detection of analytes exceeding a pre-set threshold |
| US7947467B2 (en) * | 2001-07-19 | 2011-05-24 | Common Sense Ltd. | Methods for monitoring pathological conditions in a female subject |
| AU2002354890B2 (en) * | 2001-07-19 | 2007-05-31 | Common Sense Ltd. | Diagnostic pad |
| US20040053417A1 (en) * | 2002-09-14 | 2004-03-18 | Sinsky Jerome L. | Diagnostic device and method of using same |
| GB2408330B (en) * | 2003-11-22 | 2008-12-03 | Advanced Gel Technology Ltd | Polymeric materials comprising pH indicators for use in wound dressings |
| EP1591131B1 (en) * | 2004-04-30 | 2011-06-15 | The Procter & Gamble Company | Colour-changing absorbent article |
| US7247493B2 (en) * | 2004-05-18 | 2007-07-24 | Virbac Corporation | Reusable pH sensor device and related methods |
| TWI272937B (en) * | 2004-07-29 | 2007-02-11 | Neter Marketing Co Ltd | Sanitary article with physiology examining function and its examination method |
| US20060154375A1 (en) * | 2004-12-09 | 2006-07-13 | Edelman Kenneth E | Vaginal discharge evaluation kit |
| CN101043856B (zh) * | 2004-12-23 | 2010-05-12 | 艾蒂尔药物有限公司 | 用于鉴定和治疗阴道疾病的装置和方法 |
| US7749531B2 (en) | 2005-06-08 | 2010-07-06 | Indicator Systems International | Apparatus and method for detecting bacterial growth beneath a wound dressing |
| US8637271B2 (en) * | 2007-11-08 | 2014-01-28 | Indicator Systems International, Inc. | Polymeric indicators for detecting the presence of metabolic byproducts from microorganisms |
| US20090275908A1 (en) * | 2008-04-30 | 2009-11-05 | Kimberly-Clark Worldwide, Inc. | Absorbent Articles Capable of Indicating the Presence of Urine |
| DE102008055875B4 (de) * | 2008-05-02 | 2021-08-19 | Volkswagen Ag | Elektromechanisches Servo-Lenksystem und Verfahren zum Betreiben eines elektromechanischen Servo-Lenksystems für Fahrzeuge |
| WO2010085755A1 (en) * | 2009-01-26 | 2010-07-29 | Indicator Systems International, Inc. | Indicators for detecting the presence of metabolic byproducts from microorganisms |
| US20110202108A1 (en) * | 2010-02-18 | 2011-08-18 | Rainbow Medical Ltd. | Electrical menorrhagia treatment |
| WO2012061212A1 (en) | 2010-11-01 | 2012-05-10 | 3M Innovative Properties Company | Method of detecting a biological activity |
| ES2671346T3 (es) | 2010-11-01 | 2018-06-06 | 3M Innovative Properties Company | Indicador de esterilización biológico y método de uso del mismo |
| ES2669847T3 (es) | 2010-11-01 | 2018-05-29 | 3M Innovative Properties Company | Indicador de esterilización biológico |
| US9034593B2 (en) | 2010-11-22 | 2015-05-19 | Kimberly-Clark Worldwide, Inc. | Vaginal indicator to detect biomarkers of good health |
| EP2506005A1 (en) | 2011-03-29 | 2012-10-03 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | pH-sensor |
| US9295613B2 (en) | 2011-12-13 | 2016-03-29 | Fenwal, Inc. | Container with pH indicator |
| CN109613177B (zh) | 2014-07-01 | 2021-08-20 | 科蒙森斯公司 | 用于鉴定羊水的诊断组合物 |
| CA2976512A1 (en) | 2015-02-27 | 2016-09-01 | Kimberly-Clark Worldwide, Inc. | Absorbent article leakage assessment system |
| KR102099784B1 (ko) | 2017-04-05 | 2020-04-10 | 킴벌리-클라크 월드와이드, 인크. | 흡수 용품 누출 검출 의복 및 이를 이용한 흡수 용품 누출 검출 방법 |
| CN112730401B (zh) * | 2021-01-05 | 2022-07-12 | 苏州大学 | 可穿戴阴道分泌物监测传感器及女性用品 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2664879A (en) | 1950-09-08 | 1954-01-05 | Hardy Lowell Macomber | Instrument for testing ph values of body canal liquids and color comparator for use therewith |
| US3509872A (en) | 1967-11-30 | 1970-05-05 | Andrew Truhan | Body fluid test stick |
| US4029598A (en) | 1969-03-14 | 1977-06-14 | E. Merck A. G. | Non-bleeding indicator and dyes therefor |
| US4029597A (en) | 1969-03-14 | 1977-06-14 | E. Merck A. G. | Non-bleeding indicators and dyes therefor used in pH determination process |
| DE3231287C2 (de) * | 1982-08-23 | 1984-09-06 | MEDI-PHARMA Vertriebsgesellschaft mbH, 5000 Köln | Verfahren zum Herstellen einer diagnostischen Vorrichtung |
| US4935346A (en) * | 1986-08-13 | 1990-06-19 | Lifescan, Inc. | Minimum procedure system for the determination of analytes |
| US5275591A (en) | 1987-07-27 | 1994-01-04 | Mcneil-Ppc, Inc. | Fluid barrier seal for sanitary napkin having undergarment protecting flaps |
| IL84443A (en) | 1987-11-11 | 1993-01-14 | Schoenfeld A | Vaginal tampon |
| US5094955A (en) * | 1988-03-15 | 1992-03-10 | Akzo N.V. | Device and method for detecting microorganisms |
| US5445147A (en) | 1988-09-08 | 1995-08-29 | Sudor Partners | Method and apparatus for determination of chemical species in body fluid |
| IT215747Z2 (it) | 1989-03-07 | 1990-11-05 | Prospero Nucci | Sonda monouso per la determinazione del ph vaginale e di altri indici. |
| US5384411A (en) | 1991-06-20 | 1995-01-24 | Hewlett-Packard Company | Immobilization of PH-sensitive dyes to solid supports |
| US5853669A (en) | 1991-09-30 | 1998-12-29 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Sensor membrane for indicating the PH of a sample, the fabrication and use thereof |
| JPH05154077A (ja) * | 1991-12-02 | 1993-06-22 | Asahi Chem Ind Co Ltd | ｐＨ指示薬付きワイパー |
| US5925318A (en) * | 1993-08-26 | 1999-07-20 | Ferro Sensor, Inc. | Iron detecting sensors |
| US5470752A (en) * | 1994-06-29 | 1995-11-28 | Lxn Corporation | Multi-layer devices and methods of assaying for fructosamine |
| US5425377A (en) | 1994-08-25 | 1995-06-20 | Caillouette; James C. | pH measurement of body fluid |
| US5823953A (en) | 1996-06-20 | 1998-10-20 | Roskin; Amy C. | Secretion analysis apparatus and method |
| US5876389A (en) | 1996-06-24 | 1999-03-02 | Ezy-Detek (Edi) Inc. | Sanitary napkins and method for collecting samples of bodily substances |
| US5660790A (en) * | 1996-08-13 | 1997-08-26 | Litmus Concepts, Inc. | PH and amine test elements |
| US6126597A (en) | 1998-07-22 | 2000-10-03 | Smith; Ramada S. | System for identifying premature rupture of membrane during pregnancy |
| US6149590A (en) | 1998-07-22 | 2000-11-21 | Smith; Ramada S. | System for identifying premature rupture of membrane during pregnancy |
-
1999
- 1999-08-12 US US09/372,571 patent/US6562297B1/en not_active Expired - Lifetime
-
2000
- 2000-08-03 AU AU63973/00A patent/AU6397300A/en not_active Abandoned
- 2000-08-03 JP JP2001517148A patent/JP2003507706A/ja active Pending
- 2000-08-03 EP EP00950948A patent/EP1208368A4/en not_active Ceased
- 2000-08-03 WO PCT/US2000/021129 patent/WO2001013097A1/en not_active Ceased
- 2000-08-03 IL IL14810800A patent/IL148108A0/xx unknown
- 2000-08-03 CA CA002380925A patent/CA2380925A1/en not_active Abandoned
-
2002
- 2002-02-11 IL IL148108A patent/IL148108A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU6397300A (en) | 2001-03-13 |
| US6562297B1 (en) | 2003-05-13 |
| WO2001013097A1 (en) | 2001-02-22 |
| IL148108A (en) | 2008-07-08 |
| EP1208368A4 (en) | 2007-09-26 |
| IL148108A0 (en) | 2002-09-12 |
| EP1208368A1 (en) | 2002-05-29 |
| JP2003507706A (ja) | 2003-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |