KR102107907B1 - 중금속 검출 센서, 및 그 제조방법, 그리고 중금속 검출 방법 - Google Patents
중금속 검출 센서, 및 그 제조방법, 그리고 중금속 검출 방법 Download PDFInfo
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 219
- 238000000034 method Methods 0.000 title claims description 25
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 238000001514 detection method Methods 0.000 claims abstract description 128
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- 235000018417 cysteine Nutrition 0.000 claims description 12
- 239000011259 mixed solution Substances 0.000 claims description 12
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 12
- 238000006479 redox reaction Methods 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 9
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- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 7
- WLZRMCYVCSSEQC-UHFFFAOYSA-N cadmium(2+) Chemical compound [Cd+2] WLZRMCYVCSSEQC-UHFFFAOYSA-N 0.000 claims description 7
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- 238000001914 filtration Methods 0.000 claims description 6
- BQPIGGFYSBELGY-UHFFFAOYSA-N mercury(2+) Chemical compound [Hg+2] BQPIGGFYSBELGY-UHFFFAOYSA-N 0.000 claims description 6
- MUJIDPITZJWBSW-UHFFFAOYSA-N palladium(2+) Chemical compound [Pd+2] MUJIDPITZJWBSW-UHFFFAOYSA-N 0.000 claims description 6
- 102000000119 Beta-lactoglobulin Human genes 0.000 claims description 5
- 108010060630 Lactoglobulins Proteins 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000003929 acidic solution Substances 0.000 claims description 3
- -1 palladium ions Chemical class 0.000 description 12
- 229910052753 mercury Inorganic materials 0.000 description 10
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- 229910052763 palladium Inorganic materials 0.000 description 3
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- JCLFHZLOKITRCE-UHFFFAOYSA-N 4-pentoxyphenol Chemical compound CCCCCOC1=CC=C(O)C=C1 JCLFHZLOKITRCE-UHFFFAOYSA-N 0.000 description 2
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 2
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- 208000024827 Alzheimer disease Diseases 0.000 description 1
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
도 2는 본 발명의 실시 예에 따른 중금속 검출 센서의 제조방법 중 아밀로이드 용액을 준비하는 단계를 설명하는 순서도이다.
도 3은 본 발명의 실시 예에 따른 중금속 검출 센서를 나타내는 도면이다.
도 4 및 도 5는 본 발명의 실시 예에 따른 중금속 검출 센서의 메커니즘을 설명하기 위한 도면이다.
도 6은 본 발명의 실시 예에 따른 중금속 검출 센서와 반응되는 중금속 이온의 pH에 따른 결합 매커니즘을 나타내는 도면이다.
도 7은 본 발명의 실시 예에 따른 중금속 검출 방법을 설명하는 순서도이다.
도 8은 본 발명의 실시 예에 따른 중금속 검출 센서 제조 과정 중 아밀로이드 용액 준비 단계를 촬영한 사진이다.
도 9는 본 발명의 실시 예에 따른 중금속 검출 센서 제조 과정 중 아밀로이드 용액 광학 촬영 사진이다.
도 10은 본 발명의 실시 예에 따른 중금속 검출 센서의 제조 과정 중 아밀로이드 섬유의 코팅 시간에 따른 전류량 변화를 비교하는 그래프이다.
도 11은 본 발명의 실시 예에 따른 중금속 검출 센서와 반응되는 중금속 이온의 pH에 따른 전류량 변화를 비교하는 그래프이다.
도 12는 본 발명의 실시 예에 따른 중금속 검출 센서의 전류량 감소를 나타내는 그래프이다.
도 13 및 도 14는 중금속 이온의 종류에 따라 본 발명의 실시 예에 따른 중금속 검출 센서의 반응 변화를 비교한 그래프들이다.
110: 전극
120: 아밀로이드 섬유
Claims (12)
- 전극; 및
상기 전극 상에 1분 초과 3분 이하의 시간 동안 코팅되어 배치된 복수의 아밀로이드(amyloid) 섬유를 포함하되,
상기 복수의 아밀로이드 섬유와 중금속 이온이 반응하는 경우, 상기 전극의 산화환원 전류량이 감소하는, 중극속 검출 센서.
- 제1 항에 있어서,
상기 아밀로이드 섬유는, 베타-락토글로불린(β-lactoglobulin)을 포함하는 중금속 검출 센서.
- 제1 항에 있어서,
상기 아밀로이드 섬유와 중금속 이온이 반응하는 경우, 상기 아밀로이드 섬유가 포함하는 cysteine의 산화환원 반응이 억제되는 것을 포함하는 중금속 검출 센서.
- 제1 항에 있어서,
상기 중금속 이온은 용액의 형태로 제공되되,
상기 중금속 이온을 포함하는 용액의 pH는 5.4 이상 7 이하인 것을 포함하는 중금속 검출 센서.
- 제4 항에 있어서,
상기 아밀로이드 섬유가 상기 중금속 이온을 포함하는 용액과 반응하는 경우,
상기 아밀로이드 섬유 표면은 음전하를 띄는 것을 포함하는 중금속 검출 센서.
- 제1 항에 있어서,
상기 중금속 이온은, 팔라듐 이온(Pd2 +), 수은 이온(Hg2 +), 구리 이온(Cu2 +), 및 카드뮴 이온(Cd2 +) 중 적어도 어느 하나를 포함하는 중금속 검출 센서.
- 제1 항에 있어서,
상기 전극은 탄소를 포함하는, 중금속 검출 센서.
- 전극 상에 복수의 아밀로이드 섬유가 1분 초과 3분 이하의 시간 동안 증착된 중금속 검출 센서를 준비하는 단계;
상기 중금속 검출 센서를 중금속 이온과 반응시키는 단계; 및
상기 전극의 산화환원 전류량 변화를 센싱하는 단계를 포함하되,
상기 중금속 검출 센서의 아밀로이드 섬유가 중금속 이온과 반응하는 경우, 상기 전극의 산화환원 전류량이 감소하는 것을 포함하는 중금속 검출 방법.
- 제8 항에 있어서,
상기 중금속 검출 센서가 중금속 이온과 반응되는 경우, 상기 아밀로이드 섬유가 포함하는 cysteine의 산화환원 반응이 억제되는 것을 포함하는 중금속 검출 방법.
- 전극 및 아밀로이드 섬유를 포함하는 아밀로이드 용액을 준비하는 단계; 및
상기 전극 상에 상기 아밀로이드 용액을 1분 초과 3분 이하의 시간 동안 코팅하는 단계;를 포함하는 중금속 검출 센서 제조방법.
- 삭제
- 제10 항에 있어서,
상기 아밀로이드 용액을 준비하는 단계는,
아밀로이드 단분자를 산성 용액과 혼합시키고, 분산시켜 혼합 용액을 제조하는 단계;
상기 혼합 용액을 여과시키는 단계; 및
여과된 상기 혼합 용액을 열처리하는 단계를 포함하는 중금속 검출 센서 제조방법.
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