pH-RESPONSIVE AMPHOTERIC PARTICULATE POLYMER AND ITS APPLICATION

• Main Authors: TAIRA OSAMU, EGUCHI MASARU, ODAKA MASATO, MORI EICHIYU
• Format: Patent
• Language: English
• Published: 23.03.2006
• Subjects: BEER; BIOCHEMISTRY; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS THEREOF; CULTURE MEDIA; ENZYMOLOGY; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MICROBIOLOGY; MICROORGANISMS OR ENZYMES; MUTATION OR GENETIC ENGINEERING; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS; SPIRITS; THEIR PREPARATION OR CHEMICAL WORKING-UP; THEIR RELEVANT APPARATUS; TRANSPORTING; VINEGAR; WINE

PROBLEM TO BE SOLVED: To provide a pH-responsive amphoteric particulate polymer capable of having a positive charge on an acidic side and having a negative charge on an alkali side by using the vicinity of weak alkaline as an isoelectric point as a result in which a polymer containing two amino groups and one carboxy group in the recurring unit of the polymer was developed and to provide a material for catching or releasing DNA or the like by using the polymer. SOLUTION: The pH-responsive amphoteric particulate polymer has two amino groups, one carboxy group and two hydroxy groups in the recurring unit obtained by reacting a monomer having two amino groups and one carboxy group with a diglycidyl ether. The material for catching or releasing DNA or the like is obtained by using the polymer. COPYRIGHT: (C)2006,JPO&NCIPI