Abstract:
The present invention relates to a method for preparing a tube, comprising a step for modifying the inner wall surface of a tube using plasma. Provided are a method for preparing the tube comprises a step for preparing a tube; a step for modifying the inner wall surface of the tube using plasma to have reactivity, a step for forming a thin film layer for prevention of aging or adhesion on the modified inner wall surface, and a step for modifying the surface of the thin film using microplasma to improve the cell adhesive property; and a polymer tube for transplantation prepared by the method. The present invention processes the inner wall surface of a polymer tube by sequentially: 1) modifying the inner wall surface with microplasma to have reactivity; 2) introducing a hydrocarbon thin film; and 3) additionally modifying the inner wall surface with microplasma to improve the cell adhesive property, so that the adhesive property of smooth muscle cells to the modified inner wall surface is improved and thereby the polymer tube can be used as an artificial vessel transplantable in the body. Particularly, the present invention can evenly modify the inner wall surface of a tube having a narrow internal diameter of millimeters by employing the preparing method using microplasma treatment.
Abstract:
PURPOSE: An organic light emitting diode is provided to decrease driving voltage and to improve luminous efficiency by inserting an interfacial layer containing metallocene compounds between a negative electrode and electroluminescent layer. CONSTITUTION: An organic light emitting diode comprises: a positive electrode and a negative electrode corresponding each other; an electroluminescent layer between the positive electrode and the negative electrode; and a first interfacial layer between the electroluminescent layer and the negative electrode. The first interfacial layer comprises metallocene compounds in the chemical formula 1. In the chemical formula 1, M is a transition metal, R^1-R^10 is respectively hydrogen, hydroxy group, halogen, or C1-C20 saturated or unsaturated hydrocarbon group capable of containing one or more hero atoms selected from B, Al, Si, O, S, N and P. X^1 and X^2 is respectively halogen group.
Abstract:
PURPOSE: A method for manufacturing a substrate for fixing cells, method for fixing cells and cell chip are provided to efficiently fix cells. CONSTITUTION: A method for manufacturing a substrate for fixing cells comprises: a step of preparing a substrate; and a step of integrating precursors on the substrate using a plasma to form a plasma polymer layer. The precursor is acetonitrile, cycloheptane, cyclohexane, or cyclopentane. A method for fixing cells comprises: a step of preparing the substrate for fixing cells; and a step of fixing the cells on the substrate. A cell chip contains cells fixed on the substrate.
Abstract:
An organic thin film transistor manufacturing method and the thin film transistor manufactured by the same method are provided, which improve the interface property of the organic thin film transistor. The gate electrode(2) and gate isolation layer(3) are equipped at the upper part of the substrate(1). The surface processing layer is formed into the PECVD(Plasma-enhanced chemical vapor deposition) method by using the precursor material on the gate isolation layer. The organic semiconductor layer(5) is formed on the surface processing layer(4). The source(6)/drain(7) electrode is formed on the organic semiconductor layer. The precursor within the foam generator is evaporated. The evaporated precursor is flowed in the reactor for the plasma vapor deposition. By using the plasma of the reactor, the thin film polymerized by plasma on the substrate within the reactor is deposited.
Abstract:
The present invention relates to a method for manufacturing a patterned substrate for cell culture comprising: (1) a step for preparing a substrate; (2) a step for forming a plasma polymer layer by integrating a precursor on the substrate using plasma; (3) a step for putting a shadow mask having a pattern of a fixed form onto the plasma polymer layer; (4) a step for treating the substrate on which the shadow mask is put using the plasma with reactive gas; and (5) a step for removing the shadow mask from the substrate, and to a patterned substrate for cell culture manufactured by the method. Also, the present invention relates to a patterned cell culture method comprising a step for culturing cells on the patterned substrate for cell culture, a patterned cell chip, and a method for screening substances inducing or promoting angiogenesis using the patterned cell chip.
Abstract:
본 발명은 세포 고정화용 기판의 제조방법, 세포 고정화용 기판, 세포의 고정 방법, 및 세포칩에 관한 것으로서, 더욱 상세하게는 기판을 준비하는 단계; 및 상기 기판 상에 플라즈마를 이용하여 전구체 물질을 집적시켜 플라즈마 중합체층을 형성하는 단계;를 포함하는 세포 고정화용 기판의 제조방법, 이를 이용한 세포 고정화 기판, 세포의 고정 방법, 및 세포칩에 관한 것이다. 본 발명에 의하면, 플라즈마를 이용하여 기판 상에 작용기를 고집적시킴으로써 세포를 효율적으로 고정화시킬 수 있다.
Abstract:
A low dielectric plasma-polymerized thin film is provided to effectively prepare metal multilayer thin film due to excellent thermal stability, low dielectric constant and excellent mechanical property. A low dielectric plasma-polymerized thin film is prepared by using precursors represented by chemical formula 1 and 2. In chemical formula 1, R1-R6 are selected from the group consisting of hydrogen atom, substituted or unsubstituted C1-C5 alkyl group; and X is oxygen atom or C1-C5 alkylene group. In the chemical formula 2, R1-R6 are selected from the group consisting of hydrogen atom, substituted or unsubstituted C1-C5 alkyl group.
Abstract:
An organic light emitting device having an aluminum oxynitride interface layer and a method for manufacturing the same are provided to improve light emitting efficiency and to reduce driving voltage in comparison with an organic light emitting device without the interface layer. An organic light emitting device includes an anode(2), a hole transport layer(4), an interface layer(3), a light emitting layer(5), a buffer layer(6), and a cathode(7). The anode is formed on an upper part of a substrate(1). The hole transport layer is formed on an upper part of the anode. The interface layer is formed between the anode and the hole transport layer to facilitate hole injection from the anode to the hole transport layer and made of aluminum oxynitride. The light emitting layer is formed on an upper part of the hole transport layer. The buffer layer is formed on an upper part of the light emitting layer. The cathode is formed on an upper part of the buffer layer.
Abstract:
A method for manufacturing a protein chip substrate using plasma and a protein chip substrate using the same are provided to fixate protein in a limited field to put the protein only on a place as a selected field. A protein chip substrate from a method using plasma includes a plasma reaction chamber(1), a vacuum unit(7), a bubbler(9), a showing(10), a substrate pedestal(4), and a RF(Radio Frequency) generator(6). The vacuum unit controls the pressure of an inside of the plasma reaction chamber. The bubbler injects a gaseous precursor into the plasma reaction chamber. The showing sprays the gasified precursor from the bubbler into the plasma reaction chamber. The substrate pedestal supports an outer electrode(2) arranged on a top of the plasma reaction chamber and a substrate(3) arranged inside of the plasma reaction chamber to function as an inner electrode. The RF generator supplies SB(Slide Bias) power to the substrate pedestal as the inner electrode and supplies ICP(Inductively Coupled Plasma) power to the outer electrode.