Abstract:
PURPOSE: A method for controlling the diameter sizes of nano-tubes formed on the surface of dental implant is provided to effectively control the diameter sizes of the nano-tubes by varying the composition of electrolyte and the voltage applied to the electrolyte. CONSTITUTION: The diameter sizes of nano-tubes are controlled by varying the composition of electrolyte and/or varying the voltages applied to the electrolyte. The electrolyte is composed of ammonium fluoride(NH_4F), water(H_2O), and glycerol. The content of the glycerol is in a range between 49 and 96 wt%. The range of the voltages applied to the electrolyte is in a range between 5 and 50V. If the content of the glycerol is increased, the diameter sizes of the nano-tubes are reduced. If the content of the glycerol is reduced, the diameter sizes of the nano-tubes are increased. If the voltages are increased, the diameter sizes of the nano-tubes are increased. If the voltages are reduced, the diameter sizes of the nano-tubes are reduced.
Abstract:
본 발명의 생체분해형 마그네슘 임플란트의 부식속도 제어에 효과적인 표면처리 방법은 임플란트 소재의 전처리공정과 불산이 포함된 전해질을 사용하는 1 또는 2 단계 양극산화공정을 포함한다. 본 발명에 따른 표면처리 방법에 따르면, 비교적 짧은 시간 내에 치밀하고도 균일한 MgF 2 코팅층을 형성시킬 수 있으며, 체내에서 부식성이 매우 빨라 흡수성 임플란트 소재의 사용에 큰 문제점으로 대두된 마그네슘 임플란트의 내식성을 현저하게 향상시킴으로서, 향후 생체분해형 임플란트로서의 사용가능성이 매우 높다.
Abstract:
The present invention relates to a surface-modified implant using N-acetylcysteine coating, and a method for manufacturing the same. The surface-modified implant according to the present invention carries out treatments of anodizing to form a nanotube on the surface of the implant and coating N-acetylcysteine to increase the growth of an osteoblastic cell and the expression of a bone morphogenetic protein and inhibit the expressions of an inflammatory protein and a cytokine to have an effect of excellent biocompatibility and bioactivity. Therefore, the surface-modified implant of the present invention can be useful for a bio-implant.
Abstract:
PURPOSE: A manufacturing method of titania nano-tubes and a titania nano-tubes manufactured by the same are provided to form thick and uniform titania nano-tubes having long length on the surface of the titanium. CONSTITUTION: A manufacturing method of titania nano-tubes comprises the following steps: preparing electrolyte including ammonium fluoride, water, glycerol and surfactant; and dipping the insolubility platinum and titanium based metal in the electrolyte and applying voltage to anode oxidizing thereof. The surfactant is cetyltrimethylammonium bromide or sodium dodecyl sulfate. The electrolyte comprises 0.5-5 wt% of ammonium fluoride, 10-40 wt% of water, 50-80 wt% of glycerol, and 1-5 wt% of surfactant based on the electrolyte weight reference. In the anode oxidization is processed under voltage of 20-50V and the electric current density of 15-25mA/cm^2 for 30-180 minutes.
Abstract:
본 발명은 티타니아 나노튜브의 제조방법 및 이에 의해 제조된 티타니아 나노튜브에 관한 것이다. 본 발명은 a) 불화암모늄, 물, 글리세롤 및 계면활성제를 포함하는 전해액을 준비하는 단계; 및 b) 상기 전해액에 불용성 백금과 티타늄계 금속을 침지시키고, 전압을 인가하여 양극산화처리하는 단계를 포함하는 것을 특징을 하는 티타니아 나노튜브의 제조방법 및 이에 의해 제조된 티타니아 나노튜브를 제공한다. 본 발명에 따르면 나노튜브 길이가 길고, 벽의 두께가 견고하며, 고전압에서도 나노구조가 깨지지 않고, 균일한 층을 이루는 티타니아 나노튜브를 획득할 수 있는 장점이 있다.
Abstract:
본 발명의 골 접합용 플레이트는, 스크류가 끼워지는 홀이 형성되며 길이 방향으로 복수개 배열되는 체결부; 및 상기 복수개 배열된 체결부 사이를 연결하는 원통형 브릿지;를 포함하는 것을 특징으로 한다. 이에 따라, 원통형 브릿지에 의해 골절된 뼈의 부위, 위치, 형태 등에 맞추어 골 접합용 플레이트를 자유롭게 변형시켜 사용할 수 있는 효과가 있다.
Abstract:
PURPOSE: A method for processing surface for effective gene delivery is provided to enable surgery for a patient who has difficulty for implant surgery. CONSTITUTION: A method for processing surface for effective gene delivery on the surface of a plant material comprises: a step of binding a gene and a gene delivery system to form a gene-gene delivery complex; a step of coating the gene-gene delivery complex formed on the surface of the implant; and a step of coating the gene-gene delivery complex on the surface. The gene includes LacZ, PPAR-gamma and c-myb, and PTEN.