KR100819377B1 - 양친매성 화합물을 이용한 자성 나노복합체 및 이를포함하는 조영제 - Google Patents
양친매성 화합물을 이용한 자성 나노복합체 및 이를포함하는 조영제 Download PDFInfo
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- KR100819377B1 KR100819377B1 KR1020070018594A KR20070018594A KR100819377B1 KR 100819377 B1 KR100819377 B1 KR 100819377B1 KR 1020070018594 A KR1020070018594 A KR 1020070018594A KR 20070018594 A KR20070018594 A KR 20070018594A KR 100819377 B1 KR100819377 B1 KR 100819377B1
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Abstract
Description
명칭 | 화학식 | 탄소사슬 길이 |
Butyric (butanoic acid) | CH3(CH2)2COOH | C4 |
Caproic (hexanoic acid) | CH3(CH2)4COOH | C6 |
Caprylic (octanoic acid) | CH3(CH2)6COOH | C8 |
Capric (decanoic acid) | CH3(CH2)8COOH | C10 |
Lauric (dodecanoic acid) | CH3(CH2)10COOH | C12 |
Myristic (tetradecanoic acid) | CH3(CH2)12COOH | C14 |
Palmitic (hexadecanoic acid) | CH3(CH2)14COOH | C16 |
Stearic (octadecanoic acid) | CH3(CH2)16COOH | C18 |
Arachidic (eicosanoic acid) | CH3(CH2)18COOH | C20 |
Behenic (docosanoic acid) | CH3(CH2)20COOH | C22 |
영문명 | 화학식 | 탄소사슬 길이:이중결합수 |
Oleic acid | CH3(CH2)7CH=CH(CH2)7COOH | C18:1 |
Linoleic acid | CH3(CH2)4CH=CHCH2CH=CH(CH2)7COOH | C18:2 |
Alpha-linolenic acid | CH3CH2CH(=CHCH2CH=)2CH(CH2)7COOH | C18:3 |
Arachidonic acid | CH3(CH2)4CH(=CHCH2CH)3=CH(CH2)3COOH | C20:4 |
Eicosapentaenoic acid | CH3CH2CH(=CHCH2CH)4=CH(CH2)3COOH | C20:5 |
Docosahexaenoic acid | CH3CH2CH(=CHCH2CH)5=CHCH2CH2COOH | C22:6 |
Erucic acid | CH3(CH2)7CH=CH(CH2)11COOH | C22:1 |
I | II | III |
R-NH2 | R'-COOH | R-NHCO-R' |
R-SH | R'-SH | R-SS-R |
R-OH | R'-(에폭시기) | R-OCH2C(OH)CH2-R' |
RH-NH2 | R'-(에폭시기) | R-NHCH2C(OH)CH2-R' |
R-SH | R'-(에폭시기) | R-SCH2C(OH)CH2-R' |
R-NH2 | R'-COH | R-N=CH-R' |
R-NH2 | R'-NCO | R-NHCONH-R' |
R-NH2 | R'-NCS | R-NHCSNH-R' |
R-SH | R'-COCH2 | R'-COCH2S-R |
R-SH | R'-O(C=O)X | R-OCH2(C=O)O-R' |
R-(아지리딘기) | R'-SH | R-CH2CH(NH2)CH2S-R' |
R-CH=CH2 | R'-SH | R-CH2CHS-R' |
R-OH | R'-NCO | R'-NHCOO-R |
R-SH | R'-COCH2X | R-SCH2CO-R' |
R-NH2 | R'-CON3 | R-NHCO-R' |
R-COOH | R'-COOH | R-(C=O)O(C=O)-R' + H2O |
R-SH | R'-X | R-S-R' |
R-NH2 | R'CH2C(NH2 +)OCH3 | R-NHC(NH2 +)CH2-R' |
R-OP(O2 -)OH | R'-NH2 | R-OP(O2 -)-NH-R' |
R-CONHNH2 | R'-COH | R-CONHN=CH-R' |
R-NH2 | R'-SH | R-NHCO(CH2)2SS-R' |
I: 활성성분 결합영역의 작용기 II: 활성성분 III: I과 II의 반응에 따른 결합예 |
블록 공중합체의 종류 | 반응물의 양 | 공중합체의 수율 (%) | |||
mPEG (g) | D,L-락타이드 (g) | 글리콜라이드 (g) | 옥탄산 제1주석 (mg) | ||
MPEG(5000)-PLGA(1000) | 2 | 0.2306 | 0.1856 | 50 | 69.3 |
MPEG(5000)-PLGA(5000) | 2 | 1.1530 | 0.9280 | 50 | 68.6 |
MPEG(2000)-PLGA(1000) | 2 | 0.5765 | 0.4640 | 50 | 71.3 |
MPEG(2000)-PLGA(5000) | 2 | 3.4591 | 2.7840 | 50 | 70.1 |
블록 공중합체의 종류 | NMR | GPC | |
Mn a | Mn b | Mw/Mn | |
MPEG(5000)-PLGA(1000) | 6270 | 6710 | 1.19 |
MPEG(5000)-PLGA(5000) | 10350 | 12470 | 1.21 |
MPEG(2000)-PLGA(1000) | 3280 | 3720 | 1.15 |
MPEG(2000)-PLGA(5000) | 9510 | 9980 | 1.11 |
a: 핵자기 공명 b: 겔투과 크로마토그래피 Mn: 수평균분자량 Mw: 질량평균 분자량 |
Claims (35)
- a) 용매의 존재 하에 나노입자 전구체와 계면활성제를 반응시키는 단계; 및b) 상기 반응물을 열분해하는 단계를 포함하여 제조되어,자성 물질이 계면활성제와 배위 결합되어 있는 자성 나노입자가 하나 이상의 소수성 영역과 하나 이상의 친수성 영역을 가지는 양친매성 화합물에 의해 둘러싸여 있되,상기 소수성 영역과 나노입자가 결합된 코어 및 상기 친수성 영역을 포함하는 셀을 포함하고,상기 자성 물질이 Co, Mn, Fe, Ni, Gd, Mo, MM'2O4, 및 MxOy (M 및 M'는 각각 독립적으로 Co, Fe, Ni, Mn, Zn, Gd, 또는 Cr을 나타내고, 0 < x ≤3, 0 < y ≤5)로 이루어진 그룹으로부터 선택되는 것을 특징으로 하는 자성 나노복합체.
- 제 1 항에 있어서,나노복합체는 하나 이상의 자성 나노입자가 소수성 영역에 분포된 코어 및 친수성 영역을 함유하는 셀을 포함하는 것을 특징으로 하는 자성 나노복합체.
- 제 1 항에 있어서,나노복합체는 하나의 자성 나노입자가 소수성 영역과 결합된 코어 및 친수성 영역을 함유하는 셀을 포함하는 것을 특징으로 하는 자성 나노복합체.
- 제 1 항에 있어서,자성 나노입자는 직경이 1nm 내지 1000nm인 것을 특징으로 하는 자성 나노복합체.
- 제 2 항에 있어서,자성 나노복합체는 직경이 1nm 내지 500nm인 것을 특징으로 하는 자성 나노복합체.
- 제 3 항에 있어서,자성 나노복합체는 직경이 1nm 내지 50nm인 것을 특징으로 하는 자성 나노복합체.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,계면활성제는 알킬 트라이메틸암모늄 할라이드(alkyl trimethylammonium halide), 포화 또는 불포화 지방산, 트리알킬포스핀(trialkylphosphine), 트리알킬포스핀 옥사이드(trialkylphosphine oxide), 알킬아민(alkyl amine), 알킬티올(alkyl thiol), 소디움 알킬 설페이트 (sodium alkyl sulfate), 및 소디움 알킬 포스페이트 (sodium alkyl phosphate)로 이루어진 그룹 중에서 선택되는 하나 이상인 것을 특징으로 하는 자성 나노복합체.
- 제 12 항에 있어서,계면활성제는 포화 또는 불포화 지방산 및 알킬아민(alkyl amine)로 이루어진 그룹 중에서 선택되는 하나 이상인 것을 특징으로 하는 자성 나노복합체.
- 제 1 항에 있어서,소수성 영역은 포화 또는 불포화 지방산, 또는 소수성 고분자인 것을 특징으로 하는 자성 나노복합체.
- 제 14 항에 있어서,포화 지방산은 부티르산, 카프로산, 카프릴산, 카프릭산, 라우르산, 미리스트산, 팔미트산, 스테아르산, 에이코사노산, 및 도코사노산으로 이루어진 그룹으로부터 선택되는 것을 특징으로 하는 자성 나노복합체.
- 제 14 항에 있어서,불포화 지방산은 올레산, 리놀레산, 아라키돈산, 에이코사펜타노산, 도코사헥사노산, 및 에르크산으로 이루어진 그룹으로부터 선택되는 것을 특징으로 하는 자성 나노복합체.
- 제 14 항에 있어서,소수성 고분자는 폴리포스파젠, 폴리락티드, 폴리락티드-코-글리콜라이드, 폴리카프로락톤, 폴리안하이드라이드, 폴리말릭산 또는 그 유도체, 폴리알킬시아노아크릴레이트, 폴리하이드로옥시부틸레이트, 폴리카보네이트 및 폴리오르소에스테르, 소수성 폴리 아미노산 및 소수성 비닐계열 고분자로 이루어진 그룹으로부터 선택되는 것을 특징으로 하는 자성 나노복합체.
- 제 17 항에 있어서,소수성 고분자는 중량평균분자량이 100 내지 100,000인 것을 특징으로 하는 자성 나노복합체.
- 제 1 항에 있어서,친수성 영역은 생체친화성 고분자인 것을 특징으로 하는 자성 나노복합체.
- 제 19 항에 있어서,생체친화성 고분자는 폴리알킬렌글리콜(PEG), 폴레에테르이미드(PEI), 폴리비닐피롤리돈(PVP), 친수성 폴리 아미노산 및 친수성 비닐계열 고분자로 이루어진 그룹 중에서 선택된 것을 특징으로 하는 자성 나노복합체.
- 제 19 항에 있어서,생체친화성 고분자는 중량평균분자량이 100 내지 100,000인 것을 특징으로 하는 자성 나노복합체.
- 제 20 항에 있어서,폴리알킬렌글리콜은 폴리에틸렌글리콜인 것을 특징으로 하는 자성 나노복합체.
- 제 22 항에 있어서,폴리에틸렌글리콜은 모노메톡시 폴리에틸렌글리콜인 것을 특징으로 하는 자성 나노복합체.
- 제 1 항에 있어서,소수성 영역은 구조 내에 하나 이상의 소수활성성분 결합영역을 가지는 것을 특징으로 하는 자성 나노복합체.
- 제 24 항에 있어서,소수활성성분 결합영역은 -COOH, -CHO, -NH2, -SH, -CONH2, -PO3H, -PO4H, -SO3H, -SO4H, -OH, -숙신이미딜기, -말레이미드기, 및 -알킬기로 이루어진 그룹으로부터 선택된 하나 이상의 기능기를 포함하는 것을 특징으로 하는 자성 나노복합체.
- 제 24 항에 있어서,소수활성성분은 생체 활성성분, 고분자, 및 무기 지지체로 이루어진 그룹으로부터 선택되는 것을 특징으로 하는 자성 나노복합체.
- 삭제
- 제 1 항에 있어서,친수성 영역은 구조 내에 하나 이상의 친수활성성분 결합영역을 가지는 것을 특징으로 하는 자성 나노복합체.
- 제 28 항에 있어서,친수활성성분 결합영역은 친수활성성분 결합영역(R2)은 -COOH, -CHO, -NH2, -SH, -CONH2, -PO3H, -PO4H, -SO3H, -SO4H, -OH, -NR4 +X-, -술포네이트, -니트레이트, -포스포네이트, -숙신이미딜기, -말레이미드기, 및 -알킬기로 이루어진 그룹으로부터 선택되는 하나 이상이 기능기를 포함하는 것을 특징으로 하는 자성 나노복합체.
- 제 28 항에 있어서,친수활성성분은 생체 활성성분, 고분자, 및 무기 지지체로 이루어진 그룹으 로부터 선택되는 것을 특징으로 하는 자성 나노복합체.
- 삭제
- 제 1 항에 있어서,양친매성 화합물은 소수활성성분 결합영역-소수성 영역-친수성 영역-친수활성성분 결합영역으로 이루어진 것을 특징으로 하는 자성 나노복합체.
- 제 32 항에 있어서,양친매성 화합물은 소수활성성분 결합영역-소수성 영역-NH2-친수성 영역-친수활성성분 결합영역으로 이루어진 것을 특징으로 하는 자성 나노복합체.
- 제 1 항에 있어서,양친매성 화합물은 모노메톡시폴리에틸렌글리콜-폴리락티드-코글리콜라이드 공중합체, 또는 모노메톡시폴리에틸렌글리콜-라우르산 공중합체인 것을 특징으로 하는 자성 나노복합체.
- 삭제
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US20090324494A1 (en) | 2009-12-31 |
KR20070088393A (ko) | 2007-08-29 |
JP2009531296A (ja) | 2009-09-03 |
KR100819378B1 (ko) | 2008-04-04 |
KR100848930B1 (ko) | 2008-07-29 |
EP1988928A4 (en) | 2011-11-16 |
KR20070088390A (ko) | 2007-08-29 |
KR20070088391A (ko) | 2007-08-29 |
WO2007097593A1 (en) | 2007-08-30 |
US20130045160A1 (en) | 2013-02-21 |
EP1988928A1 (en) | 2008-11-12 |
KR100848931B1 (ko) | 2008-07-29 |
KR20070088392A (ko) | 2007-08-29 |
KR100848932B1 (ko) | 2008-07-29 |
KR20070088388A (ko) | 2007-08-29 |
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