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    • 2. 发明公开
    • 산화철 나노캡슐, 이의 제조방법 및 이를 포함하는 자기공명영상진단 조영제
    • 氧化镍纳米颗粒聚合物纳米胶囊,聚合物纳米胶囊的制造方法和使用其的MRI对比剂
    • KR1020120020861A
    • 2012-03-08
    • KR1020100084756
    • 2010-08-31
    • 한화케미칼 주식회사
    • 권은별전봉식김응규박주영명완재
    • B82B3/00A61K49/06
    • A61K49/1863A61K49/12A61K49/126A61K49/128A61K49/1818A61K49/1827A61K49/1851B01J13/06B82Y5/00
    • PURPOSE: Iron oxide nano-capsule, a manufacturing method thereof, and magnetic resonance imaging(MRI) contrast medium including the iron oxide nano-capsule are provided for enhancing the uniting effect of iron oxide nano-particles, thereby improving MRI contrast and preventing the oxide nano-particles from being absorbed or distributed to organs other than a desired organ. CONSTITUTION: A manufacturing method of iron oxide nano-capsule comprises the following steps: manufacturing a capsule material which is carboxymethyl dextran-dodecyl amine conjugate marked as chemical formula 1 or dextran- linoleic acid conjugate marked as chemical formula 2; pyrolyzing an iron complex and manufacturing iron oxide nano-particles of which hydrophobic ligands are bonded; melting the capsule material in order to manufacture a capsule solution; diffusing the iron oxide nano-particles in non-polar organic solvent to manufacture a nano-particle diffusing solution; dropping the nano-particle diffusing solution into the capsule solution and stirring the mixture; manufacturing the iron oxide nano-capsule which includes a plurality of iron oxide nano particles; eliminating non-polar organic solvent in the iron oxide nano-capsule diffusing solution in order to manufacture an aqueous dispersion of iron oxide.
    • 目的:提供氧化铁纳米胶囊及其制造方法和包含氧化铁纳米胶囊的磁共振成像(MRI)造影剂,以增强氧化铁纳米颗粒的联合作用,从而改善MRI对比度,防止 氧化物纳米颗粒被吸收或分布到除了所需器官以外的器官。 构成:氧化铁纳米胶囊的制造方法包括以下步骤:制造标记为化学式1的羧甲基葡聚糖 - 十二烷基胺缀合物或标记为化学式2的葡聚糖 - 亚油酸缀合物的胶囊材料; 热解铁配合物并制造疏水配体键合的氧化铁纳米颗粒; 熔化胶囊材料以制造胶囊溶液; 将氧化铁纳米粒子扩散到非极性有机溶剂中以制造纳米颗粒扩散溶液; 将纳米颗粒扩散溶液滴入胶囊溶液中并搅拌混合物; 制造包含多个氧化铁纳米颗粒的氧化铁纳米胶囊; 消除氧化铁纳米胶囊扩散溶液中的非极性有机溶剂,以制备氧化铁水分散体。
    • 7. 发明公开
    • 표적 지향성 분자가 부착된 폴리아크릴로나이트릴 나노입자를 이용한 비표지 바이오-이미지용 나노입자의 제조방법
    • 基于目标化合物的聚丙烯酰胺纳米粒子的标签免费生物显影纳米粒子的制备方法
    • KR1020120068545A
    • 2012-06-27
    • KR1020100130214
    • 2010-12-17
    • 서울대학교산학협력단
    • 장정식김소진오완규
    • B82B3/00A61K49/12
    • A61K49/12B82Y15/00B82Y40/00G01N33/587
    • PURPOSE: A manufacturing method of nano-particles for non-label bio-image using polyacrylonitrile nano-particles on which target-oriented molecules are attached is provided to manufacture polymer nano-particles which can be used for agent for bio-images without additional fluorophore addition. CONSTITUTION: A manufacturing method of nano-particles for non-label bio-image using polyacrylonitrile nano-particles on which target-oriented molecules are attached comprises the following steps: manufacturing polyacrylo nitrile nano-particles having photo luminescent character of 10-50 nano meters by microemulsion polymerization using surfactant under ultrasonic wave; introducing various functional groups to surfaces of the nano-particles through a vapor deposition method; fixing target directive molecule in the functional group of nano-particles; and applying the nano-particles to the bio-image agent for imaging targeted specific cell.
    • 目的:提供使用靶向分子连接的聚丙烯腈纳米颗粒的非标记生物图像的纳米颗粒的制造方法,以制备可用于生物图像的试剂而不使用另外的荧光团的聚合物纳米颗粒 加成。 构成:使用靶向分子连接的聚丙烯腈纳米颗粒的非标记生物图像的纳米颗粒的制造方法包括以下步骤:制备具有10-50纳米的光致发光特性的聚丙烯腈纳米颗粒 通过在超声波下使用表面活性剂进行微乳液聚合; 通过气相沉积法将各种官能团引入纳米颗粒的表面; 在纳米颗粒官能团中固定目标指向分子; 并将纳米颗粒施加到用于成像靶向特异性细胞的生物成像剂。