Abstract:
본 발명은 TiO 2 나노 입자-안트라사이클린계 화합물의 복합체, 이를 포함하는 약물 전달 시스템에 관한 것이다. 본 발명에 따른 TiO 2 나노 입자-안트라사이클린계화합물의 복합체는 세포 또는 생체에서 안정성이 있어, 안트라사이클린계 화합물을 안전하게 세포 또는 생체에 약물을 전달하고, 방출시킬 수 있으며, 상기 복합체를 이용하여 약물의 전달 및 방출과정을 실시간으로 관찰할 수 있다.
Abstract:
PURPOSE: A gold nanoparticle-purine complex is provided to show stability in cells or in vivo, to safely deliver a drug, and to release purine-based compounds at a desired time. CONSTITUTION: A gold nanoparticle-purine complex is provided. A purine compound is 6-mercaptopurine or 6-thioguanine. A drug delivery system has the gold nanoparticle-purine complex and glutathione. In the drug delivery system, the purine-based compounds are released from the gold nanoparticle-purine complex by treating the gold nanoparticle-purine complex with glutathione.
Abstract:
PURPOSE: A fluorescence and SERS detection method of Hg(II) concentration on gold nanocolloid surface is provided to detect Hg ion of low concentration. CONSTITUTION: A method for measuring Hg(II) concentration of an aqueous solution comprises: a step of binding an organic fluorescence dye and obtaining SERS spectrum of the organic fluorescence dye; a step of adding Hg(II) in the aqueous solution to the gold nanoparticles and obtaining SERS spectrum of the organic fluorescence dye; and a step of comparing two SERS spectrum intensity. The organic fluorescence dye is rhodamine 6G or rhodamine 123.
Abstract:
PURPOSE: A silver or gold nanoparticle used in carcinoma cells using intracellular inhalation and toxicity difference by surface charge is provided to be used as a probe. CONSTITUTION: A positively or negatively charged gold or silver nanoparticle is used as a drug delivery system and anticancer drug. The gold or silver nanoaprticle is used for minimizing cytotoxicity. The carcinoma cell is pulmonary carcinoma cell. The gold or silver carcinoma cells are used as a probe.
Abstract:
본 발명은 금 나노콜로이드 표면 상 Hg(Ⅱ) 농도의 형광 SERS 탐지 및 정량 방법에 관한 것으로, 보다 상세하게는 수용성 용액 내 Hg(Ⅱ) 농도의 변화에 따른 Au 나노입자 위 로다민 염료의 SERS 강도 변화를 측정함으로써, Hg(Ⅱ) 농도를 측정할 수 있는 방법에 관한 것이며, 이러한 원리를 이용하여 수용성 용액 내 Hg(Ⅱ)농도 측정을 위한 금 나노콜로이드 입자 기반 표면 위에서 형광 및 표면 증강 라만 분광 센서에 관한 것이다. 상기 목적을 달성하기 위하여, 본 발명은 수용성 용액내의 Hg(Ⅱ)의 첨가로 인한 Au(금) 나노입자 표면 상 결합되어 있는 유기 염료의 SERS 강도의 변화특성을 측정함에 의해 Hg(Ⅱ)의 농도를 측정하는 방법을 제공한다. 상기 유기 염료는 로다민 6G, 로다민 123, 및 로다민 B로 이루어진 군으로부터 선택되는 것이 바람직하다. 금 나노입자, 수은 탐지, 형광 소멸, 로다민 염료, SERS
Abstract:
PURPOSE: A composite of titanium dioxide nanoparticles and anthracycline-based compounds is provided to show stability in cells or organisms, thereby safely delivering and releasing a drug to the cells or the organisms. CONSTITUTION: A composite of titanium dioxide nanoparticles and anthracycline-based compounds is provided. A drug delivery system has the composite and glutathione. A method for delivering and releasing a drug comprises the steps of: binding the titanium dioxide nanoparticles and the anthracycline-based compounds and forming the composite; treating cells or organisms with the composite; treating the cells or organisms with glutathione; and separating the anthracycline-based compounds and the titanium dioxide nanoparticles and releasing the anthracycline-based compounds.
Abstract:
PURPOSE: A cancer therapeutic composition is provided to selectively damage cancer cells by irradiating visible light with a wavelength of 450 nm or greater and to treat cancer without a complex anticancer treatment. CONSTITUTION: A cancer therapeutic composition contains Ag/AgBr/TiO2 nanoparticles which damage cancer cells under visible light with a wavelength of 450-800 nm. The cancer includes uterine cervix cancer or skin cancer. The content of Ag in the nanoparticles is 1.35-3.41%. The nanoparticle is prepared by a deposition and precipitation method.
Abstract:
본 발명은 RNAi, 키토산 또는 BPEI 금속 나노입자 복합체, 및 이를 이용한 RNA 간섭(RNA interference) 전달 효율 및 위치 측정방법에 관한 것으로서, 특히 라만 분광법 및 암시야 현미경을 이용하여 RNA 세포내 분포를 이미징 기술을 이용하여 RNA 간섭 전달 효율 및 위치를 측정하는 방법에 관한 것이다. 본 발명에 따른 RNAi, 라만 염료, 키토산 또는 BPEI 금속 나노입자 복합체은 폐암의 치료에 유효하다.
Abstract:
PURPOSE: A method for measuring RNA interference delivery efficiency and position using RNAi, and chitosan, or BPEI metal nanoparticle complex is provided to treat lung cancer. CONSTITUTION: A method for measuring delivery efficiency of delivery drug-captured metal nano complex comprises: a step of contacting the metal nanoparticle complex to cells; a step of measuring the cell by z-depth dependent confocal SERS(surface enhanced raman scattering) after predetermined time; and a step of comparing the absorption of the intracellular metal nanoparticles with a control group to measure delivery efficiency.