Abstract:
본 발명은 방사선 이용 생체분자 도입용 과립형 고분자 겔 및 이의 제조방법에 관한 것으로, 구체적으로 생체 친화성 고분자에 방사선을 조사하여 생체분자 도입용 고분자 겔을 제조하여 세포외 기질과 융합을 할 수 있으며 방사선 조사량 및 비용매의 양을 조절하여 형성되는 고분자 겔 또는 마이크로겔의 입자크기를 선택적으로 조절할 수 있으므로 조직공학용 지지체 및 약물 전달체로 유용하게 이용될 수 있다.
Abstract:
PURPOSE: A hydrogel containing enzyme is provided to prevent infection and to effectively enable wound healing. CONSTITUTION: A hydrogel of a three-layered structure comprises: a first layer containing biocompatible polymers, polyvalent alcohol, and glucose; a second layer containing the biocompatible polymers, polyvalent alcohol, glucoseoxidase(GOD); and a third layer containing the biocompatible polymers, polyvalent alcohol, and horseradish peroxidase. The first layer contains 1-15 wt% of polyvinyl pyrrolidone and 1-30 wt% of carageenan as a biocompatible polymer, 0.1-10 wt% of glycerin as the polyvalent alcohol, and 0.001-3 wt% of glucose as a substrate. The second layer contains 1-15 wt% of polyvinyl pyrrolidone and 1-30 wt% of carageenan as the biocompatible polymers, 0.1-10 weight of glycerin as the polyvalent alcohol, and 0.01-5 wt% of glucose oxidase as the enzyme.
Abstract:
PURPOSE: A patch agent for the local anesthetic including a cross-linked drug free hydrated gel layer is provided to maintain patch form even in reduction of physical property. CONSTITUTION: A patch agent for the local anesthetic comprises a support layer(1), drug-containing hydrated gel layer(3) and peeling layer(4). The drug free hydrated gel layer(2) attached to the affected part opposite surface of the drug content hydrated gel layer is included. The drug free hydrated gel layer emits 30-70 % of the initial drug to the hydration according to the concentration of the drug contained in the drug content hydrated gel layer without the material property degradation of layer after the affected part attach within 1 hour. The drug content hydrated gel layer is the polyvinyl alcohol material of 5-40 weight%, and skin permeation enhancer of 1-20 weight%.
Abstract:
A biochip for measuring phosphorylation is provided to measure the phosphorylation through a simple process with the minimum amount of a sample using radioisotope compared to a conventional method using an antibody and analyze the sample within short time, thereby being usefully used for analyzing the kinase activity. A biochip is characterized in that a substrate of kinase, which is selected from the group consisting of Aurora kinases, tyrosine kinase, PTK(protein tyrosine kinase), MAPK(MAP kinase), MAPKK(MAP kinase kinase), PKA(protein kinase A), PKC(protein kinase C), ERK(extracellular signal-regulated kinase), CAM KII(calcium/ calmodulin-dependent protein kinase II), MEKK(MAP/ERK kinase kinase), JNK(c-Jun N terminal kinase), SAPK(stress-activated protein kinase), p38K(p38 kinase), phosphatase 2B, cPKC(conventional protein kinase), Serine Kinase IKKbeta, Ab1K(Ab1 kinase), BTK(Bruton tyrosine kinase), CDK(cyclin-dependent kinase), VEGF-RTK(Vascular endothelial growth factor-receptor tyrosine kinase), AKT1 kinase, AKT2 kinase, AKT3-kinase, PK(Pyruvate kinase), and Tumor M2-pyruvate kinase, is integrated onto the surface of a substrate such as glass, plastic, metal and silicone, wherein the surface of a substrate is coated with an active group such as amine, aldehyde, carboxyl and thiol. A method for detecting phosphorylation comprises the steps of: (a) mixing a sample to be tested with [gamma-P^32]ATP; (b) treating the biochip with the mixed sample to be tested to induce phosphorylation; (c) washing the biochip; and (d) sensitizing the biochip to measure the phosphorylation degree.
Abstract:
Provided is a method for preparing a radioisotope labeling compound with higher yield by a simple process using a carbon nanotube, which prevents radioactive contamination and reduces waste radioisotopes. The method for preparing a radioisotope labeling compound using a carbon nanotube comprises the steps of: charging a carbon nanotube with radioisotope(step 1); and labeling a physiologically active material with the radioisotope in the carbon nanotube(step 2). The step 2 comprises the step of adding thereto a reducing agent of the radioisotope. Preferably, the carbon nanotube is a single- or multi-wall carbon nanotube, the radioisotope is 99mTc or 131I and the physiologically active material is 2,6-diisopropylacetanilidoiminodiacetic acid or iodobenzylguanidine.
Abstract:
본 발명은 DISIDA 및 그 유도체 또는 메브로페닌의 제조 방법에 관한 것으로, 보다 상세하게는 메브로페닌의 제조 방법에 있어서: (1) 2,4,6-트리메틸아닐린을 아세트산에 녹인 후 클로로아세틸클로라이드를 적하하여 준비된 용액에 마이크로파를 조사시켜 2,4,6-트리메틸아세트아닐리드(1)를 합성하는 단계; (2) 화합물(1)을 메탄올 수용액에 녹인 후 브롬용액을 넣어 준비된 용액에 마이크로파를 조사하여 3-브로모-2,4,6-트리메틸아세트아닐리드(2)를 합성하는 단계; 및 (3) 화합물(2)을 에탄올에 녹인 후 이미노다이아세트산염 수용액을 넣고, 수산화나트륨 용액을 넣어 준비된 용액에 마이크로파를 조사하여 3-브로모-2,4,6-트리아세트아날리도이미노다이아세틱에시드(3)를 합성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 마이크로파 조사를 이용한 메브로페닌의 제조 방법에 대한 것으로서, 본 발명에 의하면 매우 짧은 반응 시간으로도 높은 수율의 메브로페닌 또는 DISIDA 및 그 유도체를 간단한 조업으로 수득할 수 있으며, 본 발명의 메브로페닌 또는 DISIDA 및 그 중간 생성물들은 마이크로파를 조사하여 합성되기 때문에 환경오염의 부하를 경감시킬 수 있는 이점이 있다. 메브로페닌, DISIDA, IDA, 간담도계 조영제, 마이크로파
Abstract:
본 발명은 세로토닌 수용체 영상화용 테크네튬 표지 아릴피페라진 유도체 화합물에 관한 것으로, 보다 상세하게는 하기 화학식 (1)로 표시되는 MAMA-디설파이드, N 2 S 2 , 또는 디메틸-N 2 S 2 킬레이트화 리간드가 결합된 아릴피페라진 유도체 화합물에 대한 것으로서, 본 발명의 새로운 아릴피페라진 유도체에 의하면 생체내 대사 시 아미드 가수분해의 문제가 없고, 세로토닌 수용체에 대한 높은 친화성을 유지할 수 있으며, 또한 최적의 방사성핵종인 테크네튬으로 표지 가능하여 포유동물의 신경변성 또는 신경정신과적 질병을 모니터링할 수 있는 유용한 효과를 제공할 수 있다. [화학식 1]
Abstract:
PURPOSE: A method for labeling sulfur compounds with technetium or rhenium and for making technetium or rhenium complex from disulfides at low cost is provided. CONSTITUTION: The method comprises the steps of (a) dissolving trans-1,2-dithiane-4,5-diol 2 mg into 0.1 mL of distilled water, thereby obtaining aqueous solution, (b) inputting the aqueous solution of the step (a) and £¬99mTc| technetium acid sodium aqueous solution(5mCi) 0.1mL into a vial with boron hydrides exchange resin 3 mg in nitrogen ambient, (c) mixing the solutions in the vial for 30 min at room temperature, and (d) filtrating the solution mixture of the step (c) using a membrane filter (0.2 μm).