About: Characterization of non-wood lignin and its hydoxymethylated derivatives by spectroscopy and self-assembling investigations

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About: Characterization of non-wood lignin and its hydoxymethylated derivatives by spectroscopy and self-assembling investigations Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Two types of non-wood lignins, namely wheat straw lignin (L1) and Sarkanda grass lignin (L2) (offered by Granit Recherche Devloppement S.A., Lausanne) were characterized, together with their hydroxymethylated derivatievs. To this end, the afore-mentioned lignins have been subjected to hydroxymethylation, under optimal conditions of temperature, time and pH. The unmodified and the hydroxymethylated lignins were analyzed by spectroscopics methods (FTIR, UV-VIS and fluorescence spectroscopy), and atomic force microscopy (ATM). The results point out that the reactivity level of lignin depends on its origin and structure of lignin, while the characteristics of the synthesized products result from the modifications induced by the new functional groups. Two types of non-wood lignins, namely wheat straw lignin (L1) and Sarkanda grass lignin (L2) (offered by Granit Recherche Devloppement S.A., Lausanne) were characterized, together with their hydroxymethylated derivatievs. To this end, the afore-mentioned lignins have been subjected to hydroxymethylation, under optimal conditions of temperature, time and pH. The unmodified and the hydroxymethylated lignins were analyzed by spectroscopics methods (FTIR, UV-VIS and fluorescence spectroscopy), and atomic force microscopy (ATM). The results point out that the reactivity level of lignin depends on its origin and structure of lignin, while the characteristics of the synthesized products result from the modifications induced by the new functional groups. (en)
Title	Characterization of non-wood lignin and its hydoxymethylated derivatives by spectroscopy and self-assembling investigations Characterization of non-wood lignin and its hydoxymethylated derivatives by spectroscopy and self-assembling investigations (en)
skos:prefLabel	Characterization of non-wood lignin and its hydoxymethylated derivatives by spectroscopy and self-assembling investigations Characterization of non-wood lignin and its hydoxymethylated derivatives by spectroscopy and self-assembling investigations (en)
skos:notation	RIV/68378271:_____/09:00345573!RIV11-AV0-68378271
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z10100520)
http://linked.open...iv/cisloPeriodika	9-10
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kratochvílová, Irena
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	306783
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/09:00345573
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	lignin; hydroxymethylation; FTIR; UV-VIS; fluorescence; AFM (en)
http://linked.open.../riv/klicoveSlovo	lignin FTIR fluorescence hydroxymethylation AFM UV-VIS
http://linked.open...odStatuVydavatele	RO - Rumunsko
http://linked.open...ontrolniKodProRIV	[BA1EA9A109A6]
http://linked.open...i/riv/nazevZdroje	Cellulose Chemistry and Technology
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	43
http://linked.open...iv/tvurceVysledku	Kratochvílová, Irena Todorcius, T. Capraru, A-M. Popa, V. I.
http://linked.open...ain/vavai/riv/wos	000276681300005
http://linked.open...n/vavai/riv/zamer	Specific effects in condensed systems with reduced dimension and broken symmetry
issn	0576-9787
number of pages	10 (xsd:int)

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