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美國MRC(Molecular Research Center) 
美國MRC(Molecular Research Center)公司，擁有一步法TRIzol RNA抽提方法的專利（USA patents 4,843,155/5,346,994和世界專利。到目前為止，MRC創始人P. Chomczynski和N. Sacchi’s發表的文章已經被引用了40,000多次）。該方法是目前最經典和最常用的RNA抽提方法。

MRC公司除了直接銷售該產品外，并為世界上多家著名的分子生物學公司提供大包裝原料。MRC公司擁有的國際著名注冊商標有TRIzol?，FORMAzol，DNAzol等。

TRI reagent是美國MRC公司的著名品牌。該試劑是目前唯一商業化的可以從各種樣本（人、動物、植物、細菌、病毒等物種的不同類型的生物樣本）中同時抽提RNA、DNA和蛋白質的試劑，也是世界上應用最廣的RNA抽提試劑。

Molecular Research Center, Inc., founded by P. Chomczynski, develops and manufactures innovative products for the isolation and analysis of RNA and DNA. It is a corporation " run by scientists for scientists" and we are continuously working on the development and improvement of molecular biology techniques. Beginning with the single-step method for RNA isolation we have worked to simplify nucleic acid isolation protocols while providing improved recovery and sample purity. Our patented RNA and DNA extraction techniques are recognized around the world for their performance, reliability and cost effectiveness.