Studies on oxidative modifications of cellulose in the periodate system: Molecular weight distribution and carbonyl group profiles
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2007
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentuApstrakt
The effects of periodate oxidation on cellulose were studied by means of gel permeation chromatography (GPC) using multiple detection and carbonyl-selective fluorescence labeling according to the CCOA methodology profiling of carbonyl groups. At low degrees of oxidation, the molecular weight distribution was fully maintained. Upon more pronounced oxidation the molecular weight even increased due to cross-linking effects. More condensed structures were identified by means of light scattering. Periodate oxidation also affects crystalline regions of cellulose, as demonstrated by comparison of homogeneous and heterogeneous carbonyl labeling. Highly ordered regions in cellulose were affected by oxidation even below an oxidation degree of 2%. Two different phases for the oxidation kinetics were identified in the early stages of periodate treatments.
Ključne reči:
cellulose oxidation / CCOA / dialdehyde cellulose / DAC / molecular weight distribution / oxidation / periodateIzvor:
Holzforschung, 2007, 61, 6, 662-667Izdavač:
- Walter de Gruyter & Co, Berlin
DOI: 10.1515/HF.2007.099
ISSN: 0018-3830
WoS: 000251393500007
Scopus: 2-s2.0-35848966964
Institucija/grupa
Tehnološko-metalurški fakultetTY - JOUR AU - Potthast, Antje AU - Kostić, Mirjana AU - Schiehser, Sonja AU - Kosma, Paul AU - Rosenau, Thomas PY - 2007 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1145 AB - The effects of periodate oxidation on cellulose were studied by means of gel permeation chromatography (GPC) using multiple detection and carbonyl-selective fluorescence labeling according to the CCOA methodology profiling of carbonyl groups. At low degrees of oxidation, the molecular weight distribution was fully maintained. Upon more pronounced oxidation the molecular weight even increased due to cross-linking effects. More condensed structures were identified by means of light scattering. Periodate oxidation also affects crystalline regions of cellulose, as demonstrated by comparison of homogeneous and heterogeneous carbonyl labeling. Highly ordered regions in cellulose were affected by oxidation even below an oxidation degree of 2%. Two different phases for the oxidation kinetics were identified in the early stages of periodate treatments. PB - Walter de Gruyter & Co, Berlin T2 - Holzforschung T1 - Studies on oxidative modifications of cellulose in the periodate system: Molecular weight distribution and carbonyl group profiles EP - 667 IS - 6 SP - 662 VL - 61 DO - 10.1515/HF.2007.099 ER -
@article{ author = "Potthast, Antje and Kostić, Mirjana and Schiehser, Sonja and Kosma, Paul and Rosenau, Thomas", year = "2007", abstract = "The effects of periodate oxidation on cellulose were studied by means of gel permeation chromatography (GPC) using multiple detection and carbonyl-selective fluorescence labeling according to the CCOA methodology profiling of carbonyl groups. At low degrees of oxidation, the molecular weight distribution was fully maintained. Upon more pronounced oxidation the molecular weight even increased due to cross-linking effects. More condensed structures were identified by means of light scattering. Periodate oxidation also affects crystalline regions of cellulose, as demonstrated by comparison of homogeneous and heterogeneous carbonyl labeling. Highly ordered regions in cellulose were affected by oxidation even below an oxidation degree of 2%. Two different phases for the oxidation kinetics were identified in the early stages of periodate treatments.", publisher = "Walter de Gruyter & Co, Berlin", journal = "Holzforschung", title = "Studies on oxidative modifications of cellulose in the periodate system: Molecular weight distribution and carbonyl group profiles", pages = "667-662", number = "6", volume = "61", doi = "10.1515/HF.2007.099" }
Potthast, A., Kostić, M., Schiehser, S., Kosma, P.,& Rosenau, T.. (2007). Studies on oxidative modifications of cellulose in the periodate system: Molecular weight distribution and carbonyl group profiles. in Holzforschung Walter de Gruyter & Co, Berlin., 61(6), 662-667. https://doi.org/10.1515/HF.2007.099
Potthast A, Kostić M, Schiehser S, Kosma P, Rosenau T. Studies on oxidative modifications of cellulose in the periodate system: Molecular weight distribution and carbonyl group profiles. in Holzforschung. 2007;61(6):662-667. doi:10.1515/HF.2007.099 .
Potthast, Antje, Kostić, Mirjana, Schiehser, Sonja, Kosma, Paul, Rosenau, Thomas, "Studies on oxidative modifications of cellulose in the periodate system: Molecular weight distribution and carbonyl group profiles" in Holzforschung, 61, no. 6 (2007):662-667, https://doi.org/10.1515/HF.2007.099 . .