Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Daniela Godiņa"'
Publikováno v:
Molecules, Vol 27, Iss 21, p 7353 (2022)
This study seeks to improve the effectiveness of the pretreatment stage when direct furfural production is integrated into the concept of a lignocellulosic biomass biorefinery. First of all, the catalytic effects of different phosphorus-containing sa
Externí odkaz:
https://doaj.org/article/12415fe3619749fcae85d3a85a4c4f4c
Autor:
Beate Beatrise Bruvere, Anda Gromova, Maksims Jurinovs, Oskars Platnieks, Ja̅nis Rižikovs, Aigars Pa̅že, Daniela Godiņa, Inese Mieriņa, Ivo Heinmaa, Krisjanis Smits, Vita̅lijs Rjabovs, Sergejs Gaidukovs
Publikováno v:
ACS Omega, Vol 9, Iss 42, Pp 42786-42798 (2024)
Externí odkaz:
https://doaj.org/article/25dc427cef2b4f46abf671157b979e3e
Autor:
Raimonds Makars, Daniela Godiņa, Aigars Paze, Rudolfs Berzins, Ramunas Tupciauskas, Janis Rizhikovs
Publikováno v:
Key Engineering Materials. 903:235-240
Silver birch (Betula pendula) outer bark suberin can be used as a raw material to make an adhesive for particleboards (PBs). It is a promising formaldehyde-free alternative to traditional synthetic resins. However, the adhesive is acidic, which can c
Publikováno v:
Key Engineering Materials. 903:229-234
The apparent shift in climate has resulted in the pursuit of environmentally friendly bio-based products to reduce the carbon footprint. In the scientific literature, there are many attempts to make phenol-formaldehyde resins (PFR) more sustainable b
Publikováno v:
Key Engineering Materials. 903:223-228
Analytical method has been developed and validated to determine free or leachable furfural concentration in wood-based panels. Particleboards obtained from birch wood and suberinic acids binder were chosen as a reference material. Two methods and two
Autor:
Rudolfs Berzins, Raimonds Makars, Māris Lauberts, Kristaps Stankus, Daniela Godiņa, Janis Rizhikovs, Aigars Paze
Publikováno v:
Key Engineering Materials. 903:28-33
The goal of this study was to evaluate the influence of birch outer bark (BOB) extraction solvents on the antioxidant properties of the obtained dry extracts, which were added in cosmetic product emulsions. Extracts obtained in ethanol, 2-propanol, 1
Autor:
Rudolfs Berzins, Inguss Virsis, Raimonds Makars, Maris Puke, Daniela Godiņa, Janis Rizikovs, Kristaps Stankus, Aigars Paze
Publikováno v:
Key Engineering Materials. 850:3-8
The effects on birch outer bark (BOB) ethanolic extractives’ chemical composition after recrystallization with C2–C5 alkanols were studied in this paper. Ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, and 1-pentanol were used as solvents.
Publikováno v:
Key Engineering Materials. 762:152-157
The literature survey summarizes information about birch outer bark phytochemical composition and details major components: betulin, betulinic acid, lupeol and ursolic acid. In the practical part of research birch outer bark major component stability
Autor:
Laura Andze, Sanita Vitolina, Rudolfs Berzins, Janis Rizikovs, Daniela Godina, Arturs Teresko, Solveiga Grinberga, Eduards Sevostjanovs, Helena Cirule, Edgars Liepinsh, Aigars Paze
Publikováno v:
Plants, Vol 13, Iss 1, p 145 (2024)
Birch outer bark extract (BBE), containing pentacyclic triterpenes such as betulin, lupeol, and betulinic acid, is a widely recognized natural product renowned for its diverse pharmacological effects. However, its limited water solubility restricts i
Externí odkaz:
https://doaj.org/article/f4052903aace41e793b0c1165ca05bf9
Autor:
Sanita Vitolina, Rudolfs Berzins, Janis Rizhikovs, Daniela Godina, Zoltán Márk Horváth, Konstantins Logviss, Arturs Teresko, Aigars Paze
Publikováno v:
Gels, Vol 9, Iss 11, p 911 (2023)
Structuring liquid oils into oleogels using natural and abundant biomass components as gelling agents is of great significance in fields such as foods, pharmaceuticals, and cosmetics. In this work, a more energy-efficient and technologically simpler
Externí odkaz:
https://doaj.org/article/78b06acbb96f4ff482aee553616e6aff