Abstract:
본발명은 (a) 완충용액에티로신(Tyr) 및시스테인(Cys)을각각적어도한 개씩포함하며, 5 내지 11개의아미노산으로구성된펩타이드를분산및 용해시킨펩타이드용액을얻는단계; 및 (b) 상기펩타이드용액과금(Au) 나노입자전구체가포함된용액을혼합하여반응시킴으로써금 나노입자가도입된펩타이드나노자기조립체를형성시키는단계를포함하는금 나노입자가도입된펩타이드나노자기조립체의제조방법, 이에의해제조된금 나노입자가도입된펩타이드나노자기조립체및 표면증강라만산란용나노프로브에대한것으로서, 본발명에따른금 나노입자가도입된펩타이드나노자기조립체의제조방법은종래의펩타이드나노자기조립체형성방법과비교하였을때에짧은펩타이드서열, 즉 12개미만의아미노산으로구성된펩타이드를이용하여제조할수 있으며, 단순한제조공정을이용하여금 나노입자가도입된펩타이드나노자기조립체를형성하는방법을제공할수 있다. 또한, 본발명에따르면, 상기금 나노입자가도입된펩타이드나노자기조립체의표면에라만표지물질흡착후에도구조적으로안정하며강한표면증강라만산란(SERS)신호를갖는표면증강라만산란용나노입자를제공할수 있다.
Abstract:
본발명은 (a) 완충용액에티로신(Tyr) 및시스테인(Cys)을각각적어도한 개씩포함하며, 5 내지 11개의아미노산으로구성된펩타이드를분산및 용해시킨펩타이드용액을얻는단계; 및 (b) 상기펩타이드용액과금(Au) 나노입자전구체가포함된용액을혼합하여반응시킴으로써금 나노입자가도입된펩타이드나노자기조립체를형성시키는단계를포함하는금 나노입자가도입된펩타이드나노자기조립체의제조방법, 이에의해제조된금 나노입자가도입된펩타이드나노자기조립체및 표면증강라만산란용나노프로브에대한것으로서, 본발명에따른금 나노입자가도입된펩타이드나노자기조립체의제조방법은종래의펩타이드나노자기조립체형성방법과비교하였을때에짧은펩타이드서열, 즉 12개미만의아미노산으로구성된펩타이드를이용하여제조할수 있으며, 단순한제조공정을이용하여금 나노입자가도입된펩타이드나노자기조립체를형성하는방법을제공할수 있다. 또한, 본발명에따르면, 상기금 나노입자가도입된펩타이드나노자기조립체의표면에라만표지물질흡착후에도구조적으로안정하며강한표면증강라만산란(SERS)신호를갖는표면증강라만산란용나노입자를제공할수 있다.
Abstract:
The present invention relates to fluorescent silica nanoparticles, a composition including the fluorescent silica nanoparticles, a preparing method of the fluorescent silica nanoparticles, and a detecting method of biomolecules using the fluorescent silica nanoparticles. Concretely, The present invention relates to fluorescent silica nanoparticles which is surface-modified by a surface modifier thereby having high aqueous dispersibility with fluorescent materials adapted, a manufacturing method of the fluorescent silica nanoparticles, and a detecting method of biomolecules using the fluorescent silica nanoparticles. The fluorescent silica nanoparticle can be used in various biological or medical fields such as display fields, fluorescence microscopes, image diagnosis probe, biochip, and biosensor because it has fluorescent materials adapted and joined antibodies, and besides, it is acidic in aqueous solutions. Besides, by the manufacturing method of the fluorescent silica nanoparticles according to the present invention, fluorescent silica nanoparticles with excellent aqueous dispersibility can be obtained and antibodies can be introduced into the flurescent silica nanoparticles through a simple step.