KR20190098064A - 생체적합성 자성 물질 - Google Patents
생체적합성 자성 물질 Download PDFInfo
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Abstract
Description
시험 샘플 | Fe (II) % |
IO-OA(회분 1) | 4.32 |
IO-OA(회분 2) | 5.78 |
IO-OA(회분 3) | 4.19 |
IO-OA(회분 4) | 10.88 |
IO-OA(회분 5) | 6.84 |
IO-OA(회분 6) | 8.55 |
IO-OA(회분 7) | 6.53 |
IO-OA(회분 8) | 9.64 |
IO-OA/mPEG-실란-2000(회분 1) | 5.90 |
IO-OA/mPEG-실란-2000(회분 2) | 6.29 |
IO-OA/mPEG-실란-2000(회분 3) | 7.35 |
IO-OA/mPEG-실란-2000(회분 4) | 8.44 |
IO-OA/mPEG-실란-2000(회분 5) | 6.87 |
Feraheme | 1.26 |
시험 샘플 | r2 이완율(mM·s)-1 |
IO-OA/mPEG-실란-2000(회분 2) | 173 |
Feraheme | 69 |
Claims (21)
- 제1항에 있어서,
산화철 나노입자가 전체 철 이온에 대해 4-15%의 Fe(II) 이온을 함유하는 생체적합성 자성 물질. - 제2항에 있어서,
산화철 나노입자가 전체 철 이온에 대해 4-10%의 Fe(II) 이온을 함유하는 생체적합성 자성 물질. - 제1항에 있어서,
전체 철 이온에 대해 4-10%의 Fe(II) 이온을 함유하는 생체적합성 자성 물질. - 제1항에 있어서,
산화철 나노입자가 유기산 또는 그의 염으로 형성되는 생체적합성 자성 물질. - 제5항에 있어서,
유기산 또는 염이 올레산 또는 그의 염인 생체적합성 자성 물질. - 제1항에 있어서,
링커가 O, S, Si, C1-C6 알킬렌, 2개의 카보닐 기 및 2-20개의 탄소 원자를 함유하는 카보닐 부분(moiety), 또는 하기 화학식 중 하나를 갖는 기인 생체적합성 자성 물질:
상기 식에서, 각각의 m, n, p, q, 및 t는 독립적으로 1-6이고; W는 O, S, 또는 NRb이며; 각각의 L1, L3, L5, L7, 및 L9는 독립적으로 결합, O, S, 또는 NRc이고; 각각의 L2, L4, L6, L8, 및 L10은 독립적으로 결합, O, S, 또는 NRd이며; V는 ORe, SRf, 또는 NRgRh이고, 각각의 Ra, Rb, Rc, Rd, Re, Rf, Rg, 및 Rh는 독립적으로 H, OH, C1-C10 알킬, C1-C10 헤테로알킬, C3-C10 사이클로알킬, C1-C10 헤테로사이클로알킬, 아릴, 또는 헤테로아릴이다. - 제1항에 있어서,
산화철 나노입자가 각각 하기 화학식을 갖는 하나 이상의 생체적합성 중합체에 공유 결합되는 생체적합성 자성 물질:
,
상기 식에서,
R1은 H, C1-C6 알킬, C2-C6 알케닐, C2-C6 알키닐, C3-C10 사이클로알킬, C1-C10 헤테로사이클로알킬, 아릴, 헤테로아릴, C1-C10 카보닐 기, 또는 C1-C10 아민 기이고;
R2는 H, C1-C6 알킬, C2-C6 알케닐, C2-C6 알키닐, C3-C10 사이클로알킬, C1-C10 헤테로사이클로알킬, 아릴, 또는 헤테로아릴이며;
x는 1 내지 10이고;
y는 5 내지 1000이다. - 제8항에 있어서,
R1이 C1-C6 알킬, C1-C10 카보닐 기, 또는 C1-C10 아민 기이고, 및 R2가 H 또는 C1-C6 알킬인 생체적합성 자성 물질. - 제9항에 있어서,
R1이 메틸, 카복실, 또는 아미노이고, 및 R2가 H인 생체적합성 자성 물질. - 제8항에 있어서,
R1이 항체, 단백질, 펩티드, 효소, 탄수화물, 당단백질, 뉴클레오티드, 및 지질로 구성된 그룹 중에서 선택된 특이적 표적화제(targeting agent)에 커플링되는 생체적합성 자성 물질. - 제11항에 있어서,
특이적 표적화제가 항체인 생체적합성 자성 물질. - 제1항에 있어서,
전체 철 이온에 대해 4-15%의 Fe(II) 이온을 함유하는 산화철 나노입자가 올레산 또는 그의 염으로 형성되는 생체적합성 자성 물질. - 제1 유기 용매 중에 산화철 나노입자를 함유하는 제1 용액을 제공하며, 산화철 나노입자는 전체 철 이온에 대해 4-15%의 Fe(II) 이온을 함유하는 단계;
제2 유기 용매 중에 화학식 (I)의 생체적합성 중합체를 함유하는 제2 용액을 제공하는 단계;
제1 용액과 제2 용액을 혼합하여 혼합 용액을 제공하는 단계; 및
혼합 용액에 물을 첨가하고 생성되는 용액을 적어도 20 시간 동안 교반하여 생체적합성 자성 물질을 수득하는 단계를 포함하는, 제1항의 생체적합성 자성 물질의 제조 방법. - 제15항에 있어서,
산화철 나노입자가 불활성 기체 대기 하에 하이드록사이드 용액을, Fe(II) 염을 함유하는 철 용액과 혼합함으로써 형성되는 방법. - 제16항에 있어서,
철 용액이 Fe(II) 염 및 Fe(III) 염을 함유하며, 여기에서 Fe(III)/Fe(II)의 몰 비는 1.70 이상인 방법. - 제17항에 있어서,
산화철 나노입자가 올레산 또는 그의 염으로 형성되는 방법. - 제18항에 있어서,
산화철 나노입자가 철 1 몰 당 100 mL 이하의 양으로 존재하는 올레산으로 형성되는 방법. - 제15항에 있어서,
제1 유기 용매 및 제2 유기 용매 각각이 독립적으로, 톨루엔, 지방족 탄화수소, 테트라하이드로푸란, 케톤, 알코올, 알킬 에스테르, 또는 그의 조합인 방법. - 제15항에 있어서,
불활성 기체가 질소 또는 아르곤인 방법.
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CN201810145800.0 | 2018-02-12 | ||
CN201810145800.0A CN110157000B (zh) | 2018-02-12 | 2018-02-12 | 生物相容性磁性材料 |
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KR102782693B1 KR102782693B1 (ko) | 2025-03-18 |
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US (2) | US20190247522A1 (ko) |
EP (1) | EP3524276B1 (ko) |
JP (1) | JP7335472B2 (ko) |
KR (1) | KR102782693B1 (ko) |
CN (1) | CN110157000B (ko) |
AU (1) | AU2019200753B2 (ko) |
CA (1) | CA3032985A1 (ko) |
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US20090041674A1 (en) | 2006-02-28 | 2009-02-12 | William Alexander Jones | Targeted iron oxide nanparticles |
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AU2019200753B2 (en) | 2024-03-07 |
EP3524276A1 (en) | 2019-08-14 |
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