KR101187648B1 - 티올기 검출을 위한 바이오 센서 및 이의 제조방법 - Google Patents
티올기 검출을 위한 바이오 센서 및 이의 제조방법 Download PDFInfo
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- KR101187648B1 KR101187648B1 KR1020110082432A KR20110082432A KR101187648B1 KR 101187648 B1 KR101187648 B1 KR 101187648B1 KR 1020110082432 A KR1020110082432 A KR 1020110082432A KR 20110082432 A KR20110082432 A KR 20110082432A KR 101187648 B1 KR101187648 B1 KR 101187648B1
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- edot
- pth
- biosensor
- thiol group
- ito
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- 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
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- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
- G01N27/3275—Sensing specific biomolecules, e.g. nucleic acid strands, based on an electrode surface reaction
- G01N27/3278—Sensing specific biomolecules, e.g. nucleic acid strands, based on an electrode surface reaction involving nanosized elements, e.g. nanogaps or nanoparticles
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
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Abstract
Description
도 2는 ITO 전극 위에 PTh, PEDOT, PTh-EDOT 필름을 성장시킨 결과를 나타낸그래프이고;
도 3은 본 발명에 따른 티올기 검출용 바이오 센서에서 15 사이클 동안 PTh-EDOT 전극에서의 Au 이온의 전기화학적 환원을 나타낸 그래프이고;
도 4는 본 발명에 따른 티올기 검출용 바이오 센서에서 PTh-EDOT/ITO 표면에 형성된 Au 나노입자의 SEM 사진이고;
도 5는 본 발명에 따른 티올기 검출용 바이오 센서의 EDX 스펙트럼을 나타내고;
도 6은 본 발명에 따른 티올기 검출용 바이오 센서인 실시예 1 및 실시예 2의 원자힘 현미경으로 관찰한 결과를 나타내고;
도 7은 Au/PTh-EDOT/ITO, PTh-EDOT/ITO 및 ITO의 XRD 패턴을 나타내고; 및
도 8은 본 발명에 따른 티올기 검출용 바이오 센서 및 티올기가 결합된 바이오 센서의 순환전압전류 그래프이다.
Claims (13)
- ITO, PTh-EDOT 및 Au 나노입자층이 순차적으로 적층된 티올기 검출을 위한 바이오 센서.
- 제1항에 있어서, 상기 티올기 검출은 티올기와 금 나노입자간의 상호결합에 의해 수행되는 것을 특징으로 하는 티올기 검출을 위한 바이오 센서.
- 제1항에 있어서, 상기 검출은 순환전압전류법(cyclic voltammetry)을 이용하여 수행되는 것을 특징으로 하는 티올기 검출을 위한 바이오 센서.
- 방사선 조사를 이용하여 Au 나노입자를 제조하는 단계(단계 1);
ITO가 코팅된 기판 위에 순환전압전류법(cyclic voltammetry, CV)을 이용하여 PTh-EDOT 필름을 형성시키는 단계(단계 2); 및
상기 단계 1에서 제조된 Au 나노입자를 상기 단계 2에서 형성된 PTh-EDOT/ITO 필름 위에 분산시켜 Au 나노입자들이 결합된 PTh-EDOT/ITO 필름을 제조하는 단계(단계 3);를 포함하는 티올기 검출용 바이오 센서의 제조방법.
- 제4항에 있어서, 상기 단계 1의 Au 나노입자 제조는 나노입자 안정제 폴리머인 폴리비닐피롤리딘(PVP)을 이용하여 수행되는 것을 특징으로 하는 티올기 검출용 바이오 센서의 제조방법.
- 제4항에 있어서, 상기 단계 1의 방사선은 Co-60의 γ-선인 것을 특징으로 하는 티올기 검출용 바이오 센서의 제조방법.
- 제4항에 있어서, 상기 단계 1의 방사선 조사는 6×105 - 7×105 Gy/h의 선량률로 총 흡수선량이 25 - 35 kGy인 것을 특징으로 하는 티올기 검출용 바이오 센서의 제조방법.
- 제4항에 있어서, 상기 단계 1의 Au 나노입자는 HAuCl4, 폴리비닐피롤리딘 및 이소프로판올을 혼합하여 제조되는 것을 특징으로 하는 티올기 검출용 바이오 센서의 제조방법.
- 제4항에 있어서, 상기 단계 2의 순환전압전류법은 +1.0 내지 +2.5 V인 전압범위에서 수행되는 것을 특징으로 하는 티올기 검출용 바이오 센서의 제조방법.
- 제4항에 있어서, 상기 단계 2의 PTh-EDOT는 Th-EDOT 모노머 및 테트라부틸암모늄 퍼클로레이트(TBAP)를 1:1의 몰비로 혼합하여 제조되는 것을 특징으로 하는 티올기 검출용 바이오 센서의 제조방법.
- 제10항에 있어서, 상기 Th-EDOT 모노머는 Th:EDOT의 몰비가 4~6:1인 것을 특징으로 하는 티올기 검출용 바이오 센서의 제조방법.
- 제4항에 있어서, 상기 단계 3의 PTh-EDOT/ITO 필름과 Au 나노입자들의 결합은 화학흡착 방법 또는 전기화학적 환원 방법에 의해 수행되는 것을 특징으로 하는 티올기 검출용 바이오 센서의 제조방법.
- 제12항에 있어서, 상기 전기화학적 환원 방법은 Au염 용액을 이용하여 -12.5 내지 -3.0 V의 전압범위에서 순환전압전류법을 이용하여 수행되는 것을 특징으로 하는 티올기 검출용 바이오 센서의 제조방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110082432A KR101187648B1 (ko) | 2011-08-18 | 2011-08-18 | 티올기 검출을 위한 바이오 센서 및 이의 제조방법 |
| US13/587,456 US20130043862A1 (en) | 2011-08-18 | 2012-08-16 | Biosensor detecting thiol group and method for preparing the biosensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110082432A KR101187648B1 (ko) | 2011-08-18 | 2011-08-18 | 티올기 검출을 위한 바이오 센서 및 이의 제조방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR101187648B1 true KR101187648B1 (ko) | 2012-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020110082432A Expired - Fee Related KR101187648B1 (ko) | 2011-08-18 | 2011-08-18 | 티올기 검출을 위한 바이오 센서 및 이의 제조방법 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20130043862A1 (ko) |
| KR (1) | KR101187648B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216943A (zh) * | 2021-11-26 | 2022-03-22 | 青岛科技大学 | 一种基于dna-多肽偶联物的抗污染电化学免疫传感器及其制备方法与应用 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101081639B1 (ko) * | 2009-04-10 | 2011-11-09 | 한국원자력연구원 | 전도성 나노복합체 및 이의 제조방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100239947B1 (en) | 1991-07-26 | 2000-01-15 | Ischemia Tech Inc | Test for the rapid evaluation of ischemic states and kit |
| EP1120648A1 (en) | 1998-09-10 | 2001-08-01 | Fuji Photo Film Co., Ltd. | Method of detecting thiol-containing compound |
| US20100231899A1 (en) | 2008-10-06 | 2010-09-16 | Sony Corporation | Sensor for thiol analytes |
-
2011
- 2011-08-18 KR KR1020110082432A patent/KR101187648B1/ko not_active Expired - Fee Related
-
2012
- 2012-08-16 US US13/587,456 patent/US20130043862A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100239947B1 (en) | 1991-07-26 | 2000-01-15 | Ischemia Tech Inc | Test for the rapid evaluation of ischemic states and kit |
| EP1120648A1 (en) | 1998-09-10 | 2001-08-01 | Fuji Photo Film Co., Ltd. | Method of detecting thiol-containing compound |
| US20100231899A1 (en) | 2008-10-06 | 2010-09-16 | Sony Corporation | Sensor for thiol analytes |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216943A (zh) * | 2021-11-26 | 2022-03-22 | 青岛科技大学 | 一种基于dna-多肽偶联物的抗污染电化学免疫传感器及其制备方法与应用 |
| CN114216943B (zh) * | 2021-11-26 | 2023-11-03 | 青岛科技大学 | 一种抗污染电化学免疫传感器及其制备方法与应用 |
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| Publication number | Publication date |
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| US20130043862A1 (en) | 2013-02-21 |
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