Abstract:
본 발명의 단당류/에틸렌 옥사이드 교대 폴리아미드는 하기 화학식 1 또는 화학식 2로 표시된다. [화학식 1]
[화학식 2]
상기 화학식 1 및 화학식 2에서, 상기 A, B, 및 n의 정의는 발명의 상세한 설명에 기재된 바와 같다. 상기 폴리아미드는 수소결합을 이용한 자기결합(self assembled)이 가능하여, 수계 분산 자기 결합 나노입자를 형성할 수 있고, 암세포 이미지 프로브용 조영제로 활용될 수 있다.
Abstract:
Self-assembled nanoparticles of monosaccharide/ethylene oxide alternating polyamides according to the present invention are represented by the chemical formula 1 or the chemical formula 2. In the chemical formula 1 and the chemical formula 2, A, B and n are defined in the specification of the present invention. The polyamides can form water-dispersed and self-assembled nanoparticles, and can be used as a contrast medium for probing the images of cancer cells because the polyamides can be self-assembled using hydrogen bonds.
Abstract:
본 발명은 Gd-PEI 나노겔 및 이를 포함하는 조영제 또는 약제학적 조성물에 관한 것이다. 본 발명의 Gd-PEI 나노겔은 무정형이고 유연한 성질을 가지므로 RES 시스템을 효과적으로 통과할 수 있고, 최소한의 세포 독성을 나타내며, 우수한 인 비보 종양 표적화가 가능하므로, 조영제 및 약물 전달체로서의 높은 생의학적 잠재력을 갖는다.
Abstract:
PURPOSE: A fluorescent nanoprobe for detecting hydrogen peroxide is provided to be quickly embodied by organic base in nanoparticles, and to be used for detecting sulfuric acid in rear time and to be used for cell-imaging in vivo-imaging, chemical analysis, etc. CONSTITUTION: A fluorescent nanoprobe for detecting hydrogen peroxide is represented by chemical formula 1. In chemical formula 1, A is an electron-accepting substituent selected ester, aldehyde, nitrile, nitrobenzene, sulfonated benzene, indane, babituric acid, and derivatives thereof, an electron-accepting substituent. The fluorescent nanoprobe comprises the sulfonated benzene compound and water. A manufacturing method of the fluorescent nanoprobe comprises: a step of mixing sulfonated benzene compound represented by chemical formula 3 and organic solvent; and a step of obtaining fluoresncent nanoprobe by removing the organic solvent.
Abstract:
본 발명은 시아노 치환 폴리아릴렌비닐렌 고분자의 나노 입자 및 상기 고분자 나노 입자의 표면에 흡착되어 있는 생체 적합성 계면활성제를 함유하는 발광 고분자 나노 입자 및 그 제조 방법에 관한 것으로서, 상기 제조 방법은 (1) 일반식 OHC-Ar 1 -CHO로 표시되는 디알데히드 단량체, NC-Ar 2 -CN으로 표시되는 디시아나이드 단량체 및 액상 계면활성제를 균일하게 혼합하는 단계, (2) 얻어진 혼합물에 물을 가하여 미셀 수계 분산액을 제조하는 단계 및 (3) 중합 촉매를 가하고 상온 및 상압에서 콜로이드 중합시키는 단계를 포함한다. 본 발명에 따른 발광 고분자 나노 입자는 표면이 생체 적합성 계면활성제로 안정화되어 있어 안정한 수계 분산상을 형성할 수 있고, 생체 분자 표지 또는 세포 및 생체 내 영상에 적합한 입자 크기 및 형광 효율을 나타내므로, 세포 또는 생체용 발광 조영제로 사용될 수 있다.
Abstract:
PURPOSE: A method for preparing near infrared photosensitizer organic nanoparticles of aqueous dispersion and a photodynamic therapeutic agent containing the same are provided to ensure low toxicity and to induce cancer cell apoptosis in vivo or in vitro. CONSTITUTION: A nano-photosensitizer of aqueous dispersion contains: a core with a photosensitizer; bio-affinity polymers covering the core; and water. The core further comprises a heavy-atomic dispersion agent corresponding to the photosensitizer. The heavy-atomic dispersion agent is a hydrophobic molecule containing iodine or heavy metals. The wavelength of the photosensitizer is 500-900 nm. A photodynamic therapeutic agent contains the nano-photosensitizer.
Abstract:
PURPOSE: Aqueous-dispersed chemical-luminescent nanoparticles, a producing method thereof, and a use thereof are provided to accurately and extensively diagnose active oxygen related disease by directly imaging hydrogen peroxide. CONSTITUTION: Aqueous-dispersed chemical-luminescent nanoparticles contain the following: 0.01~3wt% of core containing a hydrophobic chemical-luminescent substance; 0.5~30wt% of surfactant surrounding the core; and 67~99.49wt% water. The luminescent wavelength of the hydrophobic chemical-luminescent substance is 650~900nm. The hydrophobic chemical-luminescent substance is formed with a peroxyoxalate derivative and a fluorescent material. The surfactant is poloxamer.
Abstract:
The present invention relates to a Gd-PEI nanogel and a contrast agent or a pharmaceutical composition comprising the same. The Gd-PEI nanogel has an amorphous shape and a flexible nature, and thus passes through an RES system. The Gd-PEI nanogel expresses minimum cytotoxin and enables excellent targeting of in-vivo tumor, thereby ensuring high biomedical potential power as the contrast agent and a drug carrier.
Abstract:
PURPOSE: An electroluminescent polymer nanoparticle and a manufacturing method thereof are provided to form a stable water-base dispersed phase with the stabilized surface processed with a biocompatible surfactant, and to use the nanoparticle as a contrast agent for a cell or an organism. CONSTITUTION: An electroluminescent polymer nanoparticle contains a nanoparticle of a cyano-substituted polyarylenevinylene polymer marked with chemical formula 1, and a biocompatible surfactant adsorped to the surface of the nanoparticle of the cyano-substituted polyarylenevinylene polymer. In the chemical formula 1, n is an integer of 10~10,000.