KR102594836B1 - 라텍스 비드, 링커 및 항체를 포함하는 면역 크로마토그래피용 시약 및 이를 포함하는 래피드 키트 - Google Patents
라텍스 비드, 링커 및 항체를 포함하는 면역 크로마토그래피용 시약 및 이를 포함하는 래피드 키트 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 일실시예에 따른 래피드 키트의 개략도이다.
정량분석 정확도 백분율(%) | ||
hCG 농도(mIU/ml) | 비교예 1 | 실시예 1 |
0 | 98 | 99 |
100 | 71 | 95 |
200 | 74 | 98 |
400 | 75 | 96 |
800 | 83 | 96 |
1600 | 79 | 94 |
3200 | 81 | 98 |
hCG 농도(mIU/ml) | 100,000 | 200,000 | 400,000 | 800,000 |
검사선(T) 강도 | +++ | +++ | +++ | ++ |
대조선(C) 강도 | ++ | ++ | ++ | ++ |
hCG 농도(mIU/ml) | 100,000 | 200,000 | 400,000 | 800,000 |
검사선(T) 강도 | ++ | + | +/- | - |
대조선(C) 강도 | ++ | ++ | ++ | ++ |
110: 라텍스 비드
120: 제1링커
130: 제2링커
140: 항체
Claims (11)
- 라텍스 비드;
제1링커;
제2링커; 및
항체;
를 포함하는 복합체를 포함하고,
상기 제1링커 및 제2링커는 양말단에 반응성 작용기를 갖으며, 제1링커의 주쇄 길이 대비 제2링커의 주쇄 길이가 더 긴 것을 특징으로 하고,
상기 제1링커 및 제2링커의 일말단은 상기 라텍스 비드 표면의 반응성 작용기와 결합되고, 나머지 제1링커 및 제2링커의 일말단은 상기 항체와 결합되는 것을 특징으로 하며,
상기 제1링커는 1 내지 5의 반복 단위를 갖는 PEG(polyethylene glycol), 1 내지 5의 아미노산 서열을 갖는 펩타이드 및 하기 화학식 1로 표시되는 화합물 중 1종이고,
상기 제2링커는 6 내지 15의 반복 단위를 갖는 PEG(polyethylene glycol), 6 내지 15의 아미노산 서열을 갖는 펩타이드 및 하기 화학식 2로 표시되는 화합물 중 1종인 것을 특징으로 하는,
면역 크로마토그래피용 시약 조성물.
[화학식 1]
(상기 화학식 1에서,
x는 1 내지 5의 정수이다.)
[화학식 2]
(상기 화학식 1에서,
y는 6 내지 15의 정수이다.)
- 제1항에 있어서,
상기 라텍스 비드는 폴리스티렌(polystyrene), 폴리비닐톨루엔(polyvinyltoluene), 폴리스티렌-아크릴산(polystyrene-acrylic acid), 폴리아크롤레인(polyacrolein), 폴리아크릴레이트(polyacrylate), 폴리아크릴아미드(polyacrylamide) 및 이의 유도체 중에서 선택된 중합체 물질인 것을 특징으로 하는 면역 크로마토그래피용 시약 조성물.
- 제1항에 있어서,
상기 항체는 코로나 바이러스-19(Corona virus-19) 항체, 인플루엔자 항체 또는 임신 관련 항호르몬 항체인 것을 특징으로 하는 면역 크로마토그래피용 시약 조성물.
- 제3항에 있어서,
상기 임신 관련 항호르몬 항체에서 호르몬은 인간 융모성 성선자극호르몬(human chorionic gonadotropin), 황체형성호르몬(luteinzing hormone), 여포자극호르몬(follicle-stimulating hormone), 에스트라디올(estradiol), 프로게스테론(progesterone) 및 테스토스테론(testosterone)으로 이루어진 군에서 선택된 어느 하나 이상을 포함하는 것을 특징으로 하는 면역 크로마토그래피용 시약 조성물.
- 삭제
- 삭제
- 제1항 내지 제4항 중 어느 한 항의 조성물을 포함하는 래피드(rapid) 키트.
- 제7항에 있어서,
상기 래피드 키트는,
(a) 생물학적 시료를 수용하는 샘플 패드(sample pad);
(b) 제1항의 복합체를 포함하는 면역 크로마토그래피용 시약 조성물을 포함하고, 상기 생물학적 시료에 존재하는 항원 또는 호르몬과 상기 복합체의 항체가 서로 결합하는 장소로서의 역할을 하는 접합체 패드(conjugate pad);
(c) 상기 항원 또는 호르몬이 결합된 복합체와 결합하는 항체가 고정화된 검사선 및 상기 복합체와 결합하는 항체가 고정화된 대조선이 각각 인쇄된 멤브레인(membrane); 및
(d) 흡수 패드(absorbent pad);
를 순차적으로 연결하여 포함하는 것을 특징으로 하는 래피드 키트.
- 삭제
- 제7항의 키트에 생물학적 시료를 주입하여 스트립에 전개시키는 단계(단계 1); 및
검사선에서 검출대상 항원 또는 호르몬을 검출하는 단계(단계 2);를 포함하는,
항원 또는 호르몬 존재 여부를 판단하기 위한 정보를 제공하는 방법.
- 생물학적 시료를 제7항의 키트의 샘플 패드에 주입하여 스트립에 전개시키는 단계(단계 1); 및
검사선으로부터 분광 신호 세기를 측정하여, 항원 또는 호르몬의 양을 측정하는 단계(단계 2);를 포함하는,
생물학적 시료 내 존재하는 항원 또는 호르몬의 정량 분석 방법.
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