Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Laura Vikele,"'
Autor:
Inese Sable,, Uldis Grinfelds,, Aris Jansons,, Laura Vikele,, Ilze Irbe,, Anrijs Verovkins,, Arnis Treimanis
Publikováno v:
BioResources, Vol 7, Iss 2, Pp 1771-1783 (2012)
In this study, the relationship between the properties of the wood and kraft pulp fibers as well as paper characteristics of 27-year-old trees, lodgepole pine (Pinus contorta) and Scots pine (Pinus sylvestris), was assessed. All trees had been grown
Externí odkaz:
https://doaj.org/article/54dbae7e16ef4830a727237ecc1f1053
Autor:
Linda Rozenberga, Aris Jansons, Uldis Grinfelds, Laura Vikele, Dagnija Lazdina, Inese Sable, Martins Zeps
Publikováno v:
Forestry Studies. 66:27-32
Bioenergy, including energy from wood, currently provides about 9–13% of the total global energy supply. Every fibre of fast-growing wood has a value for its potential use as a material in both pulp and paper and wood chemical industries. The aim o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f28c48f2555d084004a5470e610b2387
https://doi.org/10.1515/fsmu-2017-0004
https://doi.org/10.1515/fsmu-2017-0004
Autor:
Ilse Cleenwerck, Pavels Semjonovs, Laura Vikele, Rita Treimane, Longina Paegle, Madara Saka, Marite Skute, Linda Rozenberga, Martins Sabovics, Maija Ruklisha
Publikováno v:
Applied Microbiology and Biotechnology. 101:1003-1012
Isolate B17 from Kombucha was estimated to be an efficient producer of bacterial cellulose (BC). The isolate was deposited under the number P 1463 and identified as Komagataeibacter rhaeticus by comparing a generated amplified fragment length polymor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20576c7f364ddd0bfc6466206db8e263
https://doi.org/10.1007/s00253-016-7761-8
https://doi.org/10.1007/s00253-016-7761-8
Autor:
Maija Ruklisha, Madara Saka, Laura Vikele, Marite Skute, Pavels Semjonovs, Longina Paegle, Linda Rozenberga, Inese Sable, Lubova Belkova
Publikováno v:
Carbohydrate Polymers. 144:33-40
Bacterial cellulose (BC) samples were obtained using two culture media (glucose and glucose+fructose) and two bacteria (Komagataeibacter rhaeticus and Komagataeibacter hansenii). Nanopaper was obtained from the BC through oxidation and both were stud
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::393e65053f8c9f3aaeb898b4b6042f70
https://doi.org/10.1016/j.carbpol.2016.02.025
https://doi.org/10.1016/j.carbpol.2016.02.025
Preparation of Nanocellulose Using Ammonium Persulfate and Method’s Comparison with other Techniques
Autor:
Linda Rozenberga, Inese Sable, Uldis Grinfelds, Marianna Laka, Laura Vikele, Linda Vecbiškena
Publikováno v:
Key Engineering Materials. 674:21-25
Cellulose nanocrystals (CNCs) have generated increasing attention in the past few years as potential sources of innovative bionanomaterials. This study focuses on an alternative method of nanocellulose particle preparation, using ammonium persulfate,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bebaab137cfba79f7e65ca690fc3928
https://doi.org/10.4028/www.scientific.net/kem.674.21
https://doi.org/10.4028/www.scientific.net/kem.674.21
Autor:
Linda Rozenberga, Marianna Laka, Arnis Treimanis, Laura Vikele, Marite Skute, Svetlana Chernyavskaya
Publikováno v:
Holzforschung. 69:745-749
The effect of coatings on paper sheets has been studied. For this purpose gels were prepared from unextracted and extracted bark. The gels represented dispersions of micro- and nanoparticles. The coatings were also prepared from mixtures of gels with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad31a925bc23e0e1a6585d9a7cb48f28
https://doi.org/10.1515/hf-2014-0271
https://doi.org/10.1515/hf-2014-0271
Publikováno v:
Key Engineering Materials. 559:111-114
The aim of the present study was to improve the paper handsheets parameters by adding biodegradable natural polymer – chitosan. The addition of chitosan in the amount of 2-4% improved tensile strength of the handsheets by up to 20% in dry condition
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71589ca5b3249ae9f8a1d644ba9766c1
https://doi.org/10.4028/www.scientific.net/kem.559.111
https://doi.org/10.4028/www.scientific.net/kem.559.111
Publikováno v:
AIP Conference Proceedings.
Paper sheets were produced from bleached kraft pulp, and office and newsprint waste paper. Nanoparticles from black alder bark, grey alder bark and pine bark as well as birch sawdust were obtained for using them as reinforcing fillers in paper. Non-e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3216b66872d865413814ede4bcd61f1e
https://doi.org/10.1063/1.4949687
https://doi.org/10.1063/1.4949687
Publikováno v:
Proc. 14th Int. Conf. on Global Research and Education, Inter-Academia 2015.
In this work, unmodified bacterial cellulose pellicles, biosynthesized by the bacterium Komagataeibacter rhaeticus, bleached birch Kraft pulp (Sodra Cell AB, Sweden) and birch bark supplied by the plywood industry (JSC Latvijas Finieris, Latvia), wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5c59cf4c05142aa7dd1eb3a3af14882
https://doi.org/10.7567/jjapcp.4.011109
https://doi.org/10.7567/jjapcp.4.011109
Autor:
Aris Jansons, Uldis Grinfelds, Ilze Irbe, Laura Vikele, Inese Sable, Arnis Treimanis, Anrijs Verovkins
Publikováno v:
BioResources, Vol 7, Iss 2, Pp 1771-1783 (2012)
In this study, the relationship between the properties of the wood and kraft pulp fibers as well as paper characteristics of 27-year-old trees, lodgepole pine (Pinus contorta) and Scots pine (Pinus sylvestris), was assessed. All trees had been grown
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::096a9c1296567b8f5c0aeefcf73a6d2f
https://doi.org/10.15376/biores.7.2.1771-1783
https://doi.org/10.15376/biores.7.2.1771-1783