KR101523404B1 - 친수성 생체분포 리간드에 결합된 같은자리-비스포스포네이트 안정화층으로 피복된 나노입자의 신규 제조방법 - Google Patents
친수성 생체분포 리간드에 결합된 같은자리-비스포스포네이트 안정화층으로 피복된 나노입자의 신규 제조방법 Download PDFInfo
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- KR101523404B1 KR101523404B1 KR1020107007318A KR20107007318A KR101523404B1 KR 101523404 B1 KR101523404 B1 KR 101523404B1 KR 1020107007318 A KR1020107007318 A KR 1020107007318A KR 20107007318 A KR20107007318 A KR 20107007318A KR 101523404 B1 KR101523404 B1 KR 101523404B1
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Abstract
Description
직접적인 경로 (종래기술) |
역방향 경로 | |
S-C 성분의 부착이 90%를 상회하도록 첨가되는 아미노알콜 리간드의 양 | 5 내지 10 당량 | 1.2 내지 2.2 당량 |
실시예 4로부터 얻은 아미노알콜과의 그래프팅 정도(Fe 1몰당 아미노알콜 리간드%로 표현함) | 1.2% | 2% |
상기 그래프팅 정도를 얻기 위해 사용된 아미노알콜의 양(아미노알콜의 몰로 표현함) | 0.2몰 | 0.025몰 |
농도 M/L |
Z ave nm |
Poly σ | SQUID 직경 |
Ms emu/cm3 |
4.85 | 40 nm | 0.22 | 8.5 nm | 275 |
수율% | 농도 M/L |
Z ave (nm) | Poly σ |
81.8 | 4.45 | 31.3 | 0.21 |
수율% | 농도 M/L |
Z ave (nm) | Poly σ |
77 | 2.742 | 23.3 | 0.20 |
실시예 16으로부터의 과정에 따라, 하기의 표에 정리된 바와 같이, 다양한 비율의 비스포스포네이트 화합물의 다양한 2차 또는 3차 조합물을 실시예 1 또는 실시예 2에 기재된 산화철의 입자에 고착시켰다:
번호 | 입자 | 비스포스포네이트 1 (몰%) |
비스포스포네이트 2 (몰%) |
비스포스포네이트 3 (몰%) |
PCS 크기 nm |
1 | 실시예 1 | 실시예 5 (40) | 실시예 3 (60) | - | 42 |
2 | 실시예 2 | 실시예 5 (60) | 실시예 3 (30) | 실시예 7 (10) | 28 |
3 | 실시예 2 | 실시예 5 (95) | 실시예 7 (5) | - | 27 |
4 | 실시예 2 | 실시예 5 (90) | 실시예 8 (10) | - | 26 |
5 | 실시예 2 | 실시예 5 (95) | 실시예 11 (5) | - | 28 |
6 | 실시예 2 | 실시예 10 (20) | 실시예 3 (80) | - | 29 |
7 | 실시예 2 | 실시예 10 (95) | 실시예 12 (5) | - | 28 |
8 | 실시예 2 | 실시예 10 (80) | 실시예 3 (15) | 실시예 12 (5) | 27 |
9 | 실시예 2 | 실시예 10 (98) | 실시예 13 (2) | - | 28 |
10 | 실시예 2 | 실시예 10 (100) | - | - | 27 |
11 | 실시예 2 | 실시예 5 (100) | - | - | 26 |
12 | 실시예 2 | 실시예 5 (96) | 실시예 12 (2) | 실시예 7 (2) | 27 |
13 | 실시예 2 | 실시예 5 (50) | 실시예 10 (50) | - | 28 |
Claims (13)
- 나노입자의 안정성/생체분포도에 영향을 미치는 동일하거나 상이한 친수성 생체분포 리간드에 결합된 유기 안정화층으로 도포된 금속 코어(N)로 이루어진 금속 나노입자의 제조방법으로,
a) 금속 나노입자로 된 금속 코어(N)를 제조하는 단계로서, 상기 금속 코어(N) 은, 전부 또는 부분적으로, 수산화철; 수화된 산화철; 페라이트 또는 혼합 철산화물로 구성되는 단계와;
b) 화학식 S-C를 가진 표적화 성분을 제조하는 단계로서,
식 중에서:
- S는 화학식 X-L-CH(PO3H2)2를 가진 같은자리(gem)-비스포스포네이트 접합기이고,
- C는 하기 1) 또는 2) 에서 선택된 친수성 생체분포 리간드:
1) 하기로부터 선택된 아미노알콜 리간드:
- 화학식(II)의 화합물:
II
식 중에서:
R1과 R2는 동일하거나 상이하고, 2 내지 6개의 탄소원자를 포함하는 지방족 탄화수소계 사슬을 나타내거나,
또는
R1과 R2는 동일하거나 상이하고, 6 내지 10 의 하이드록실기로 치환된 2 내지 6개의 탄소원자를 포함하는 지방족 탄화수소계 사슬을 나타내거나,
또는
R1과 R2는 동일하거나 상이하고, 4 내지 8 의 하이드록실기로 치환된 2 내지 6개의 탄소원자를 포함하는 지방족 탄화수소계 사슬을 나타내며, 이 경우, 상기 R1에 1개의 산소원자가 삽입되고, R2에 1개의 산소원자가 삽입되고, 또는 R1 및 R2에 1개의 산소원자가 삽입됨;
- 화학식(IV)의 화합물:
식 중에서:
Z는 결합(bond), CH2, CH2CONH 또는 (CH2)2NHCO 이고;
Z'는 결합, O, S, NQ, CH2, CO, CONQ, NQCO, NQ-CONQ 또는 CONQCH2CONQ 이고;
Z"는 결합, CONQ, NQCO 또는 CONQCH2CONQ 이고;
p와 q는 정수로서, 이들의 합이 0 내지 3이고;
R1, R2, R3, R4 또는 R5는 각각 독립적으로 H, Br, Cl, I, CONQ1Q2 또는 NQ1COQ2이되,
Q1과 Q2는 동일하거나 상이하며, 하기로부터 선택됨:
H,
모노수산화 또는 폴리수산화된 (C1-C8)알킬기,
모노수산화 또는 폴리수산화되고 1개의 산소원자가 삽입된 (C1-C8)알킬기, 또는
1개의 산소원자가 삽입된 (C1-C8)알킬기 중에서 선택되어, Q1과 Q2 를 합쳐서 총 4 내지 10개의 OH기가 포함됨;
R1 내지 R5기들 중 1개 이상, 2개 이하가 CONQ1Q2 또는 NQ1COQ2를 나타냄;
또는 R1, R3, R5는 각각 독립적으로 H, Br, Cl 또는 I를 나타내고, R2와 R4는
를 나타내며,
식 중에서:
R'1, R'3 및 R'5는 동일하거나 상이하며, H, Br, Cl 또는 I를 나타내고;
Q1과 Q2는 상기와 동일한 의미를 가지고;
Z"'는 CONQ, CONQCH2CONQ, CONQCH2, NQCONQ, 또는 CONQ(CH2)2NQCO 중에서 선택되는 기이고;
Q는 하기로부터 선택됨:
H,
(C1-C4) 알킬, 또는
선형 또는 분지형인 수산화된 (C1-C4) 알킬;
2) 하기의 화학식 (III)을 가진 아미노 폴리에틸렌 글리콜인 폴리에틸렌 글리콜 리간드:
III
식 중에서:
R1과 R2는 동일하거나 상이하며, H, 알킬기 또는 화학식 -CH2-(CH2-O-CH2)k-CH2OR3 의 폴리에틸렌 글리콜 사슬을 나타내되, R1과 R2 중 하나 이상이 폴리에틸렌 글리콜 사슬을 나타내며;
k는 2 내지 100으로 다양하고;
R3는 H, C1-C6 알킬 또는 -(CO)Alk 중에서 선택되며, "알크(Alk)"는 C1-C6 알킬기를 가리키는 것임;
c) 표적화 성분 S-C의 S 기를 코어(N)에 그래프트시키는 단계
를 포함하고,
식 중에서:
L은 X 작용기를 같은자리(gem)-비스포스포네이트 -CH(PO3H2)2 작용기에 연결하는 유기 작용기를 나타내고, L은 하기로부터 선택된 2가의 기:
- 지방족기; 지환식기; 지환식-지방족기; 방향족기; 또는 방향족-지방족기,
- 지방족기; 지환식기; 지환식-지방족기; 방향족기; 또는 방향족-지방족기를 나타내고, 상기 지방족기, 지환식기 또는 방향족기는 메틸기, 하이드록시기, 메톡시기, 아세톡시기, 아미도기, 염소 원자, 요오드 원자 또는 브롬 원자로 치환됨;
- -L1-NHCO-L2 기로, 식 중에서 L1과 L2는 동일하거나 상이하고, 이들은 지방족기; 지환식기; 방향족기; 지환식-지방족기; 또는 방향족-지방족기를 나타냄,
- -L1-NHCO-L2 기로, 식 중에서 L1과 L2는 동일하거나 상이하고, 이들은 지방족기; 지환식기; 방향족기; 지환식-지방족기; 또는 방향족-지방족기를 나타내며, 상기 기들은 메틸기, 하이드록시기, 메톡시기, 아세톡시기, 아미도기, 염소 원자, 요오드 원자 또는 브롬 원자로 치환됨; 그리고
X는 친수성 생체분포 리간드 C에 결합될 수 있는 화학 작용기를 나타내고, X는 하기로부터 선택됨:
- -COOH,
- -NH2, -NCS, -NH-NH2, -CHO, 알킬피로카보닐(-CO-O-CO-alk), 아실아지딜(-CO-N3), 이미노카보네이트(-O-C(NH)-NH2), 비닐설퍼릴(-S-CH=CH2), 피리딜디설퍼릴(-S-S-Py), 할로아세틸, 말레이미딜, 디클로로트리아지닐, 할로겐,
- 하기 화학식을 가진 작용기:
인 방법. - 제1항에 있어서, 친수성 생체분포 리간드(C)의 일부는 아미노알콜 리간드이고, 다른 일부는 폴리에틸렌 글리콜 리간드인 것인 방법.
- 제1항 또는 제2항에 있어서, 한편으로는 표적화 성분인 S-C가 코어에 그래프트되고, 다른 한편으로는 생체분포 리간드를 포함하지 않는 안정화기(S)가 코어에 그래프트되는 것인 방법.
- 제1항 또는 제2항에 있어서, 표적화 성분이 코어에 그래프팅되는 정도는 1 내지 10%인 것인 방법.
- 제1항 또는 제2항에 있어서, S-C-T 성분(식 중에서, C는 폴리에틸렌 글리콜 리간드이고, T는 가시광선 스펙트럼의 한 범위 내에서 광자의 에너지를 흡수할 수 있는 착색기(colored group)인, 발색기를 나타냄)을 그래프트시키는 단계를 더 포함하는 방법.
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PCT/FR2008/051802 WO2009053596A2 (fr) | 2007-10-05 | 2008-10-06 | Nouveau procede de preparation de nanoparticules recouvertes d'une couche stabilisatrice gem-bisphosphonate couplee a des ligands de biodistribution hydrophile |
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AU2010236189B2 (en) * | 2009-04-17 | 2015-01-29 | Li-Cor, Inc. | Fluorescent imaging with substituted cyanine dyes |
US9205155B2 (en) * | 2009-10-30 | 2015-12-08 | General Electric Company | Treating water insoluble nanoparticles with hydrophilic alpha-hydroxyphosphonic acid conjugates, the so modified nanoparticles and their use as contrast agents |
EP2630196B1 (en) | 2010-10-20 | 2017-09-06 | Li-Cor, Inc. | Cyanine dyes and their conjugates |
WO2013009701A2 (en) * | 2011-07-08 | 2013-01-17 | The University Of North Carolina At Chapel Hill | Metal bisphosphonate nanoparticles for anti-cancer therapy and imaging and for treating bone disorders |
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BR112014004716A2 (pt) * | 2011-08-31 | 2017-03-28 | Mallinckrodt Llc | montagem remota de nanopartículas direcionadas usando reações de hidrofosfonilação -eno/-ino de h-fosfonato |
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US9474810B2 (en) * | 2012-03-02 | 2016-10-25 | General Electric Company | Superparamagnetic nanoparticles with PEG substituted α-hydroxy phosphonate shells |
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