. "[69AB1E624FC7]" . . "Rozd\u011Blen\u00ED sodn\u00FDch sol\u00ED 6-carboxy celul\u00F3zy z roztoku pomoci membr\u00E1nov\u00E9 filtrace"@cs . "1"^^ . . "25310" . "RIV/00216275:25310/06:00004072!RIV08-MPO-25310___" . . "Oxycelul\u00F3za je zn\u00E1m\u00E1 p\u0159edev\u0161\u00EDm jako biokompatibiln\u00ED a biovst\u0159eb\u00E1vateln\u00FD polymer, kter\u00FD nem\u00E1 \u017E\u00E1dn\u00FD negativn\u00ED \u00FA\u010Dinek na \u017Eiv\u00FD organismus. Aplika\u010Dn\u00ED mo\u017Enosti oxycelul\u00F3zy z\u00E1vis\u00ED na mnoha faktorech, jako je nap\u0159. stupe\u0148 polymerizace, obsah karboxyl\u016F, struktura celul\u00F3zy pou\u017Eit\u00E9 pro oxidaci a kone\u010Dn\u011B dal\u0161\u00ED chemick\u00E9 a fyzik\u00E1ln\u00ED modifikace. Surov\u00E1 oxycelul\u00F3za je slo\u017Eena z molekul \u0161irok\u00E9 spektra molekulov\u00FDch hmotnost\u00ED. Rozd\u011Blen\u00ED surov\u00E9 chemik\u00E1lie podle molekulov\u00FDch hmotnost\u00ED/velikosti dovoluje l\u00E9pe definovat fyzik\u00E1ln\u00ED vlastnosti a zlep\u0161uje tak kvalitu produktu. Jedn\u00EDm ze zp\u016Fsob\u016F, jak molekuly rozd\u011Blit, je mikrofiltra\u010Dn\u00ED a ultrafiltra\u010Dn\u00ED proces. P\u0159edlo\u017Een\u00E1 pr\u00E1ce obsahuje v\u00FDsledky t\u011Bchto filtra\u010Dn\u00EDch experiment\u016F. Na z\u00E1klad\u011B t\u011Bchto v\u00FDsledk\u016F je z\u0159ejm\u00E9, \u017Ee oba zm\u00EDn\u011Bn\u00E9 procesy jsou pro rozd\u011Blen\u00ED oxycelul\u00F3zy vhodn\u00E9."@cs . "V\u00ED\u0161ek, Lubo\u0161" . . . "2"^^ . "Fractionation of Sodium Salt of 6-carboxy Cellulose Solution by Membrane Filtration"@en . . "P(FT-TA2/011)" . . . "80-86059-45-6" . . . "Havelka, Pavel" . . "Oxidized cellulose is known mainly as biocompatible and bioresorbable polymer with no adverse reaction to the body. Application properties of oxidized cellulose depend on many factors, e.g. degree of polymerization, carboxyl content, cellulose structure used for oxidation, and finally on its further chemical and physical modifications. Raw oxidized cellulose consists of molecules with a broad spectrum of molecular weights. Fractionation of the raw chemical according to molar weight/size makes physical properties better defined and allows improvement of product quality. That brings a new value for the products especially in the field of medical, pharma and food applications. Fractionation of sodium salt of 6-carboxy cellulose solution by ultrafiltration and microfiltration has been studied. Technology of cellulose oxidation, experimental ultrafiltration and microfiltration apparatus and results of the experiments are presented. It is shown that ultrafiltration and microfiltration are suitable separatio"@en . "4"^^ . "Cellulose; Membrane filtration; Microfiltration; Ultrafiltration"@en . "RIV/00216275:25310/06:00004072" . "Praha, \u010Cesk\u00E1 republika" . . "\u0160m\u00EDdov\u00E1, Dagmar" . "Praha, \u010Cesk\u00E1 republika" . . "Mikul\u00E1\u0161ek, Petr" . . "Proceedings of the 17th International Congress of Chemical and Process Engineering CHISA" . "Oxidized cellulose is known mainly as biocompatible and bioresorbable polymer with no adverse reaction to the body. Application properties of oxidized cellulose depend on many factors, e.g. degree of polymerization, carboxyl content, cellulose structure used for oxidation, and finally on its further chemical and physical modifications. Raw oxidized cellulose consists of molecules with a broad spectrum of molecular weights. Fractionation of the raw chemical according to molar weight/size makes physical properties better defined and allows improvement of product quality. That brings a new value for the products especially in the field of medical, pharma and food applications. Fractionation of sodium salt of 6-carboxy cellulose solution by ultrafiltration and microfiltration has been studied. Technology of cellulose oxidation, experimental ultrafiltration and microfiltration apparatus and results of the experiments are presented. It is shown that ultrafiltration and microfiltration are suitable separatio" . . . "Process Engineering Publisher Ing. Jan Novosad" . "Rozd\u011Blen\u00ED sodn\u00FDch sol\u00ED 6-carboxy celul\u00F3zy z roztoku pomoci membr\u00E1nov\u00E9 filtrace"@cs . "Fractionation of Sodium Salt of 6-carboxy Cellulose Solution by Membrane Filtration" . . "476272" . "2006-08-27+02:00"^^ . "Fractionation of Sodium Salt of 6-carboxy Cellulose Solution by Membrane Filtration"@en . "Fractionation of Sodium Salt of 6-carboxy Cellulose Solution by Membrane Filtration" . "554" .