| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide new compositions for isolating and/or stabilizing nucleic acids in materials of biological origin. <P>SOLUTION: The compositions comprise as an essential ingredient, a cationic compound of the general formula Y<SP POS="POST">+</SP>R<SB POS="POST">1</SB>R<SB POS="POST">2</SB>R<SB POS="POST">3</SB>R<SB POS="POST">4</SB>X<SP POS="POST">-</SP>(wherein Y may represent nitrogen or phosphorus, R<SB POS="POST">1</SB>, R<SB POS="POST">2</SB>, R<SB POS="POST">3</SB>and R<SB POS="POST">4</SB>independently of one another may represent a branched or unbranched 1-20C alkyl group and/or a 6-20C aryl group as well as a 6-26C aralkyl group and X<SP POS="POST">-</SP>may represent an anion of an inorganic or organic, mono- or polybasic acid). <P>COPYRIGHT: (C)2012,JPO&INPIT |
