Abstract:
PURPOSE: A novel PCR method for reducing non-specific amplification using a photodegradable compound is provided to control polymerization. CONSTITUTION: A novel PCR method for reducing non-specific amplification using a photodegradable compound comprises: a step of providing a reactant containing an oligonucleotide primer or a primer pair in which the 3'-hydroxy group is protected by a photodegradable protection group; a step of irradiating the reactant by an electromagnetic wave at 300-450 nm. The photodegradable protection group is selected from a group consisting of a 2-nitrobenzyl derivative, an o-nitrobenzyl oxy derivative, a benzoin derivative, and a benzyl sulfonyl derivative.
Abstract:
A biopolymer synthesizing apparatus a biopolymer synthesizing method using the same, and a method for recovering a sample for biopolymer synthesis are provided to collect a sample for bio polymer synthesis and to reduce synthesis expenses. A biopolymer synthesizing apparatus includes a reaction chamber(100) and a plurality of collection tanks(461A)(461C)(461G)(461T) and a discharge line(410b). A substrate in which a biopolymer is synthesized is installed on the reaction chamber. The reaction chamber includes a chamber body(110) and a chamber cover(120). The chamber body and chamber cover, at least, one includes a plurality of penetration holes connected to a supply line(410a), the discharge line, and a return line(410c). A connection valve connects respective flowing pipes(410).
Abstract:
An oligomer probe array is provided to show increased signal to noise ratio(SNR) and decreased cross-talk, thereby increasing the accuracy of analysis. An oligomer probe array comprises: a substrate; a plurality of probe cell actives formed on the substrate, each of the probe cell actives coupled to a linker excluding the edge side wall thereof to inactivate the edge side wall; a probe cell separation region separating the plurality of probe cell active and not including a functional group coupled to the oligomer probe; and a plurality of oligomer probe coupled to the linker of the probe cell active. A method for preparing an oligomer probe array comprises the steps of: (a) providing a substrate; (b) forming a plurality of probe cell active separated by probe cell separation regions on the substrate; (c) forming partition walls having a higher thickness than that of a plurality of probe cell on the probe cell separation region; (d) after spin-coating a linker solution on the substrate, spin-drying the non-reacted linker solution and baking the remaining linker solution; and (e) removing the partition walls to allow the linker to be coupled to the region excluding the edge side wall of each of the probe cell active.
Abstract:
An oligomer probe array is provided to be able to increase the surface area by fixing nano-particles on a fixation layer through a covalent bonding, thereby improving the reaction yield. An oligomer probe array(100) comprises a substrate(110); a plurality of fixed patterns(120) formed on the substrate; a probe cell separation region(130) separating the fixed patterns; a plurality of nano-particles(140) respectively coupled to each of the fixed patterns; and a plurality of oligomer probes(165) coupled to the nano-particles, where the probe cell separation region does not include a functional group coupled to the nano-particle or the oligomer probe. A method for preparing the oligomer probe array comprises the steps of: (a) providing a substrate; (b) forming a fixed pattern on the substrate, where the pattern is separated by a probe cell separation region; (c) coupling a plurality of nano-particles onto the fixed pattern; and (d) coupling a plurality of oligomer probe onto the nano-particles. Further, the plurality of fixed patterns have three dimension of surfaces.
Abstract:
An oligomer probe array having probe cell active formed in a substrate and a fabrication method thereof are provided to improve analysis accuracy by increasing SNR(signal to noise ratio) and reducing cross-talk through inhibiting coupling of oligomer probe on the side wall of the probe cell active and probe cell separating region. An oligomer probe array comprises: a substrate(100), a plurality of probe cell actives(120) formed in a certain region of the substrate and coupled with linkers(142); a probe cell separating region for separating the plurality of probe cell actives, having no functional group coupled with the linkers on the surface; and a plurality of oligomer probes(160) coupled with another linkers(143) of the probe cell actives, wherein the probe cell actives are physically separated by the probe cell separating region and chemically separated by the linkers; the linker is a silane-based or siloxane-based linker; the probe cell active consists of a silicon oxide film, a silicon nitride film, a metal oxide film, a spin-on siloxane film or a polymer film; and the substrate is a silicone or transparent glass substrate.
Abstract:
PURPOSE: A method for predicting cytarabine sensitivity is provided to effectively predict sensitivity to cytarabine in a biological sample. CONSTITUTION: A kit for predicting cytarabine sensitivity of a patient with acute leukemia contains a polynucleotide of sequence numbers 1-38 including the 27th base SNP. The polynucleotide is fixed on a microarray. A method for predicting cytarabine sensitivity of the patient comprises: a step of preparing a biological sample from the patient; a step of confirming the presence of SNP contained in the kit from the sample; and a step of determining the sensitivity to cytarabine.
Abstract:
생산성이 향상된 마이크로 어레이, 마이크로 어레이용 기판 및 이들의 제조 방법이 제공된다. 마이크로 어레이는 제1 영역과 제2 영역으로 구분되는 기판, 하기 화학식 1 또는 하기 화학식 2로 표시되는 다수의 링커로서 제1 영역의 기판에 직접 커플링되며 제2 영역의 기판에는 커플링되지 않는 다수의 링커 및 각 링커에 커플링되어 있는 프로브를 포함한다.
(단, 상기 X는 상기 기판과 커플링되는 사이트이고, 상기 R은 히드록시기, 알데히드기, 카르복실기, 아미노기, 아미드기, 티올기, 할로기, 에폭시기 또는 술포네이트기이고, 상기 m은 3 내지 10인 정수이고, 상기 p는 1 내지 30인 정수이고, 상기 q는 1 내지 15인 정수이다.) 마이크로 어레이, 알켄 화합물, 링커, 광반응
Abstract:
An apparatus for synthesizing polymer on a substrate and a method of synthesizing polymer are provided to enhance the reaction yield of the coupling material and monomer by improving the contact relation between the sample for a substrate and the bio polymer synthesis. An apparatus for synthesizing polymer comprises a reaction chamber(100), a shaking apparatus(200), a fluid supply tube and a fluid exhaust pipe. The reaction chamber includes a chamber body and a chamber cover. The chamber body supports the substrate. The chamber cover is contacted with the border of substrate. The shaking apparatus comprises a driving shaft and a servo motor. The driving shaft is connected to the reaction chamber. The servo motor runs the driving shaft. The fluid supply tube supplies the sample for the bio polymer synthesis and inert gas to the reaction chamber.