KR101743150B1 - 체외진단 시약용 형광 실리카 나노입자, 이의 제조 방법 및 이를 이용하는 분자 면역 진단 키트 - Google Patents
체외진단 시약용 형광 실리카 나노입자, 이의 제조 방법 및 이를 이용하는 분자 면역 진단 키트 Download PDFInfo
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- KR101743150B1 KR101743150B1 KR1020150188376A KR20150188376A KR101743150B1 KR 101743150 B1 KR101743150 B1 KR 101743150B1 KR 1020150188376 A KR1020150188376 A KR 1020150188376A KR 20150188376 A KR20150188376 A KR 20150188376A KR 101743150 B1 KR101743150 B1 KR 101743150B1
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- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- ATGXWWBLMHSRBT-UHFFFAOYSA-N 2-(3,5-dimethylpyrazol-1-yl)-1,3,5-triazine Chemical compound N1=C(C)C=C(C)N1C1=NC=NC=N1 ATGXWWBLMHSRBT-UHFFFAOYSA-N 0.000 description 1
- 108091003079 Bovine Serum Albumin Proteins 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 241000408529 Libra Species 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229940098773 bovine serum albumin Drugs 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000000286 energy filtered transmission electron microscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002189 fluorescence spectrum Methods 0.000 description 1
- 238000010230 functional analysis Methods 0.000 description 1
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- 230000003100 immobilizing effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- FZWBNHMXJMCXLU-BLAUPYHCSA-N isomaltotriose Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@@H](OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O)O1 FZWBNHMXJMCXLU-BLAUPYHCSA-N 0.000 description 1
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- BXGTVNLGPMZLAZ-UHFFFAOYSA-N n'-ethylmethanediimine;hydrochloride Chemical compound Cl.CCN=C=N BXGTVNLGPMZLAZ-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000003921 particle size analysis Methods 0.000 description 1
- 238000000628 photoluminescence spectroscopy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 238000006257 total synthesis reaction Methods 0.000 description 1
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
상기와 같은 본 발명에 따르면, 분석 대상 항원에 특이적인 항체를 표면에 고정시킨 형광 실리카 나노입자를 시료와 접촉시킴으로써, 항원-항체 결합을 일으키고 이를 형광 발광으로 확인하는 간단한 방법을 통해 질병을 진단하는 효과가 있다.
Description
도 2는 (A) APTES-EDTA-aminophenol 및 (B) Eu(DPA)@SiNPs-NH2의 합성 과정을 나타낸 모식도이다.
도 3은 Dex-COOH의 합성 과정을 나타낸 모식도이다.
도 4는 실리카 나노입자의 표면을 Dex-COOH로 코팅하는 과정을 나타낸 모식도이다.
도 5는 바이오틴을 결합시킨 (A 및 B) 형광 실리카 나노입자 및 (C) 마그네틱 비드를 나타낸 모식도이다.
도 6은 TnI 항체를 고정한 (A) 형광 실리카 나노입자 및 (B) 마그네틱 비드를 나타낸 모식도이다.
도 7은 실리카 나노입자 및 마그네틱 비드에 대한 샌드위치 결합 과정을 나타낸 모식도이다.
도 8은 AF647@SiNPs의 형광 측정 결과를 나타낸 그래프이다.
도 9는 Eu(DPA)@SiNPs의 (A) 형광 측정 결과 및 (B) 시분할 형광 측정 결과를 나타낸 그래프이다.
도 10은 (A) AF647@SiNPs 및 (B) Eu(DPA)@SiNPs의 TEM 이미지를 나타낸 사진이다.
도 11은 (A) AF647@SiNPs 및 (B) Eu(DPA)@SiNPs의 입자추적기 분석 결과를 나타낸 그래프이다.
도 12는 덱스트란과 Dex-COOH의 스펙트럼을 나타낸 그래프이다.
도 13은 (A) AF647@SiNPs 및 (B) Eu(DPA)@SiNPs의 스트렙타비딘 정량 분석 결과를 나타낸 그래프이다.
도 14는 AF647@SiNPs 및 스트렙타비딘의 샌드위치 결합을 SEM으로 나타낸 사진이다.
도 15는 Eu(DPA)@SiNPs를 이용한 TnI 정량 분석을 나타낸 그래프이다.
도 16은 APTES-EDTA-APTES의 합성 과정을 나타낸 모식도이다.
도 17은 APTES-EDTA-APTES를 전구체로 하여 제조된 (A) Eu(DPA)@SiNPs 및 (B) Eu(DPA)@SiNPs-DEX-COOH의 TEM 이미지를 나타낸 사진이다.
도 18은 실시예 8에 따라 용매조건을 달리한 (A 및 B) Eu(DPA)@SiNPs의 TEM 이미지를 나타낸 사진이다.
도 19는 실시예 8에 따라 용매조건을 달리한 Eu(DPA)@SiNPs의 형광 분석 결과 그래프이다.
AF647@SiNPs | Eu(DPA)@SiNPs | ||
구분 | 값 | 구분 | 값 |
실리카 입자내 AF647 |
2.9 ngAF647/mgNPs | 실리카 입자내 유로피움 |
16.0 μgEu/mgNPs |
합성된 총 입자 | 270.0 mg | 합성된 총 입자 | 291.6 mg |
합성에 사용된 AF647 |
6 mg | 합성에 사용된 Europium |
9 mg |
합성 수율 | 13 % | 합성 수율 | 52 % |
Claims (14)
- EDTAD(ethylen diamine tetraacetic acid dianhydride) 및 3-아미노프로필트리에톡시실란(3-aminopropyl triethoxysilane, APTES)를 결합하여 킬레이트 전구체(APTES-EDTA-APTES)를 제조하는 단계; 및
(2) 상기 킬레이트 전구체, 실리카 전구체 및 란탄족 금속염을 에탄올 및 메탄올의 혼합 용매에서 반응시켜, 란탄족 금속을 담지한 실리카 나노입자를 제조하는 단계를 포함하는, 시분할 형광 실리카 나노입자의 제조방법.
- 제 1 항에 있어서, 상기 (2)단계에서 제조된 실리카 나노입자를 3-아미노프로필트리에톡시실란(3-aminopropyl triethoxysilane, APTES)과 반응시켜, 상기 란탄족 금속 담지 실리카 나노입자 표면에 아민기를 도입하는 단계를 더 포함하는 시분할 형광 실리카 나노입자의 제조방법.
- 제 1 항에 있어서, 수용성 고분자를 친수성기(hydrophilic group)로 개질하여 상기 란탄족 금속 담지 실리카 나노입자를 코팅하는 단계를 더 포함하는 것을 특징으로 하는 시분할 형광 실리카 나노입자의 제조방법.
- 제 3 항에 있어서, 상기 수용성 고분자가 헤파린(Heparin), 히알루론산(hyaluronic acid), 카복시메틸 셀룰로오스(Carboxymethylcellulose), 더마탄 설페이트(dermatan sulfate), 키토산(chitosan), 덱스트란(dextran), 알지네이트(alginate, Alginat), 콘드로이틴 설페이트(Chondroitin Sulfate)를 포함하는 군에서 선택되는 어느 하나인 것을 특징으로 하는 시분할 형광 실리카 나노입자의 제조방법.
- 제 3 항에 있어서, 상기 친수성기가 티올기(-SH), 아민기(-NH2) 및 카르복실기(-COOH)를 포함하는 군에서 선택되는 어느 하나인 것을 특징으로 하는 시분할 형광 실리카 나노입자의 제조방법.
- 삭제
- 삭제
- 제 1 항에 있어서, 상기 실리카 전구체가 테트라에톡시 실란(tetraethoxy silane, TEOS), 또는 테트라메톡시 실란(tetramethoxy silane, TMOS)인 것을 특징으로 하는 시분할 형광 실리카 나노입자의 제조방법.
- 제 1 항에 있어서, 상기 란탄족 금속이 유로피움(europium, Eu), 디스프로슘(dysprosium, Dy), 사마륨(samarium, Sm), 루테늄(ruthenium, Ru), 가돌륨(gadolium, Ga) 및 터븀(terbium, Tb)으로 이루어진 군으로부터 선택되는 어느 하나인 것을 특징으로 하는 시분할 형광 실리카 나노입자의 제조방법.
- 제 1 항에 따른 방법으로 제조된 시분할 형광 실리카 나노입자.
- (a) 제1항 내지 제5항, 제8항 및 제9항 중 어느 한 항에 기재된 제조방법에 따라 시분할 형광 실리카 나노입자를 제조하는 단계; 및
(b) 상기 단계 (a)에서 얻어진 상기 시분할 형광 실리카 나노입자에 생체 분자를 콘쥬게이션시키는 단계를 추가로 포함하는 것을 특징으로 하는 체외진단 시약용 형광 실리카 나노입자의 제조 방법.
- 제11항에 있어서, 상기 생체 분자는 항체, 항원, RNA, DNA, PNA, 합텐(hapten), 아비딘(avidin), 스트렙타비딘(streptavidin), 뉴트라비딘(neutravidin), 프로테인 A, 프로테인 G, 렉틴(lectin), 셀렉틴(selectin) 및 방사선 동위원소 표지 물질으로 이루어진 군으로부터 선택된 1 종 이상인 것을 특징으로 하는 체외진단 시약용 형광 실리카 나노입자의 제조 방법.
- 제 11 항에 기재된 방법으로 제조된 체외진단 시약용 형광 실리카 나노입자.
- 제 13 항에 기재된 체외진단 시약용 형광 실리카 나노입자를 포함하는 분자 면역 진단 키트.
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