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Soon Jong Kweon,Jong Nae Hyun,Jong Min Ko,Dong Soo Park,Shin Churl Bae,Duck Yong Suh,Huhn Pal Moon,Dal Ung Kim 한국육종학회 2003 한국육종학회지 Vol.35 No.1
To analyze the effect of 1RS chromosome segment on anther culture efficiency in wheat, 44 cultivars released from several countries were evaluated. The cultivars applied for this investigation came from several regions and it was necessary to confirm cult
경쟁적 역전사-중합효소연쇄반응과 DNA-ELISA법을 이용한 C형 간염 바이러스 RNA 정량
서순팔,김세종,기승정,서강석 대한간학회 2000 Clinical and Molecular Hepatology(대한간학회지) Vol.6 No.2
Background/Aims: Quantitation of Hepatitis C Virus (HCV) RNA in serum is important for monitoring the response to interferon-α therapy in patients with chronic hepatitis C. Several commercial assays are recently available, but they are expensive and cannot be used as a gold standard. Methods: An in-house competitive reverse transcription-polymerase chain reaction (cRT-PCR) was developed and validated. The procedure involves the construction of a mutant and wild type HCV RNA internal standard (IS), cRT-PCR, and colorimetric detection with DNA-ELISA. A standard curve was obtained and used for final HCV RNA quantitation. Results: The standard curve was linear over the range of 1×104 to 5×107 copies/mL of the HCV RNA standard (r=0.976). This in-house cRT-PCR was comparable with the branched DNA (bDNA) assay (Quantiplex HCV 2.0, Chiron, USA) with positive correlation between the two tests (r=0.735). Conclusion: The quantitation of HCV RNA by in-house cRT-PCR and DNA ELISA was more sensitive and had wider range detection compared to bDNA assay. This assay is useful for follow-up of HCV RNA concentration after interferon-α therapy.(Korean J Hepatol 2000;6:156-171)