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Št. zadetkov: 7
NMR Properties of ǂSePPh[sub]3ǂ in the Solid State
Stefan Spirk, Rudolf Pietschnig
Objavljeni znanstveni prispevek na konferenci
Oznake: Analizna kemija;Izomeri;Stabilnost;Fosfor;
NMR properties of SePPh3 in the solid state
Leto: 2006 Vir: Fakulteta za strojništvo (UM FS)
Future Perspectives in Polysaccharide Research
Carmen Freire, Zdenka Peršin, Stefan Spirk
Druge monografije in druga zaključena dela
Oznake: polisaharidi;organska kemija;zborniki;
Future Perspectives in Polysaccharide Research
Leto: 2016 Vir: Digitalna knjižnica Univerze v Mariboru (DKUM)
ǂA ǂfacile lab scale synthesis of red selenium
Ebels Jörg, Stefan Spirk, Rudolf Pietschnig
Objavljeni znanstveni prispevek na konferenci
Oznake: Analizna kemija;
A facile lab scale synthesis of red selenium
Leto: 2006 Vir: Fakulteta za strojništvo (UM FS)
Photoregeneration of trimethylsilyl cellulose as a tool for microstructuring ultrathin cellulose supports
Archim Wolfberger, Rupert Kargl, Thomas Grießer, Stefan Spirk
Izvirni znanstveni članek
Oznake: organska kemija;celulozni filimi;tanki filmi;regenerirana celulozna vlakna;cellulose thin films;cellulose regeneration;patterning of cellulose;photoregeneration;
Microstructured thin films based on cellulose, the most abundant biopolymer on Earth, have been obtained by UV-irradiation of acid-labile trimethylsilyl cellulose thin films in the presence of N-hydroxynaphtalimide triflate as photoacid generator. We demonstrate that this photoregeneration process c ...
Leto: 2014 Vir: Fakulteta za strojništvo (UM FS)
Synthesis and structure of transition metal bisalkinylselenolato complexes
Rudolf Pietschnig, Carmen Moser, Stefan Spirk, Sven Schäfer
Objavljeni znanstveni prispevek na konferenci
Oznake: Analizna kemija;Izomeri;Stabilnost;Kovine;
We synthesized closely related cis and trans platinum complexes of SeCC-n-C5H11 and elucidated their structures in solution and the crystalline state. In line with previous work we find exclusive coordination of the selenium atom of the ambident alkynylselenolate ligand and a preference for the obvi ...
Leto: 2005 Vir: Fakulteta za strojništvo (UM FS)
Silylation of cellobiose as a model reaction for the synthesis of silylated cellulose
Stefan Spirk, Heike M. A. Ehmann, Volker Ribitsch, Karin Stana-Kleinschek
Objavljeni znanstveni prispevek na konferenci
Oznake: silylation of cellobiose;silanes;DFT;PM3;
The object of the present study is the isodesmic reaction of cellobiose (the repeating unit in cellulose) with different kinds of silanes, R-SiH3, to form silylated cellobiose (Cello-SiH3) and the corresponding alcohols (R-OH). The size and the chemical reactivity of the substituent R is varied as w ...
Leto: 2011 Vir: Fakulteta za strojništvo (UM FS)
Structural rearrangements in amorphous nanometric cellulose model films induced by heat treatment
Stefan Spirk, Tamilselvan Mohan, Rupert Kargl, Aleš Doliška, Roland Resel, Volker Ribitsch, Karin Stana-Kleinschek
Objavljeni znanstveni prispevek na konferenci
Oznake: celuloza;
Structural rearrangements in amorphous nanometric cellulose model films induced by heat treatment
Leto: 2013 Vir: Fakulteta za strojništvo (UM FS)
Št. zadetkov: 7
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