Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Arnis Āboliņš"'
Autor:
Ralfs Pomilovskis, Eliza Kaulina, Inese Mierina, Arnis Abolins, Olga Kockova, Anda Fridrihsone, Mikelis Kirpluks
Publikováno v:
Journal of Bioresources and Bioproducts, Vol 8, Iss 3, Pp 265-279 (2023)
It is crucial to adapt the processing of forest bio-resources into biochemicals and bio-based advanced materials in order to transform the current economic climate into a greener economy. Tall oil, as a by-product of the Kraft process of wood pulp ma
Externí odkaz:
https://doaj.org/article/0207e740f8694b2bba6979ced89fc812
Autor:
Aiga Ivdre, Mikelis Kirpluks, Arnis Abolins, Laima Vevere, Beatrise Sture, Aigars Paze, Daniela Godina, Janis Rizikovs, Ugis Cabulis
Publikováno v:
Polymers, Vol 16, Iss 7, p 942 (2024)
The utilization of polyols derived from renewable sources presents an opportunity to enhance the sustainability of rigid polyurethane (PUR) foams, thereby contributing to the advancement of a circular bioeconomy. This study explores the development o
Externí odkaz:
https://doaj.org/article/2884d135018741bc85f95426b05d2b19
Publikováno v:
Polymers, Vol 16, Iss 1, p 117 (2023)
Rapeseed oil was used to develop thermoset foams via Michael addition reaction by mixing two liquid components, Michael donor and Michael acceptor. The foaming of the curing thermoset was achieved by the physical blowing agent which expanded from the
Externí odkaz:
https://doaj.org/article/4a23502f0f6d4cf8b8b43dc79ac3a8f5
Autor:
Aiga Ivdre, Arnis Abolins, Nikita Volkovs, Laima Vevere, Aigars Paze, Raimonds Makars, Daniela Godina, Janis Rizikovs
Publikováno v:
Polymers, Vol 15, Iss 14, p 3124 (2023)
Developing polyols from biomass sources contributes to a more circular economy by replacing petroleum-based polyols in the vast production of polyurethanes (PUR). One such potential biomass source could be leftover birch bark from which suberinic aci
Externí odkaz:
https://doaj.org/article/5110eb278e5c40339ecfb6da02e0ce5c
Autor:
Genādijs Trofimovičs, Jānis Gardovskis, Dace Bērziņa, Andris Gardovskis, Edvīns Miklaševičs, Signe Subatniece, Arvīds Irmejs, Arnis Āboliņš, Ilze Strumfa, Inga Melbārde-Gorkuša
Publikováno v:
Hereditary Cancer in Clinical Practice, Vol 10, Iss 1, p 5 (2012)
Hereditary Cancer in Clinical Practice
Hereditary Cancer in Clinical Practice
We would like to present a patient with a classical phenotype of a rare disorder - Cowden syndrome, its diagnostics and management challenges. A breast surgeon has to be aware of this rare condition when treating a patient with breast manifestations
Autor:
Arnis, Āboliņš, Andrejs, Vanags, Genadijs, Trofimovičs, Edvīns, Miklaševičs, Jānis, Gardovskis, Ilze, Štrumfa
Publikováno v:
Polish journal of pathology : official journal of the Polish Society of Pathologists. 62(1)
Breast cancer is the most common cancer in women. The mortality remains significant despite advanced treatment possibilities. The management of breast cancer is guided by immunohistochemical data that are summarized into molecular subtypes, namely, l
Autor:
Ralfs Pomilovskis, Inese Mierina, Hynek Beneš, Olga Trhlíková, Arnis Abolins, Anda Fridrihsone, Mikelis Kirpluks
Publikováno v:
Polymers, Vol 14, Iss 19, p 4107 (2022)
In this study, the synthesis of a Michael donor compound from cellulose production by-products—tall oil fatty acids—was developed. The developed Michael donor compounds can be further used to obtain polymeric materials after nucleophilic polymeri
Externí odkaz:
https://doaj.org/article/20980170cdd5418581ede31de2db96a3
Autor:
Janis Rizikovs, Daniela Godina, Raimonds Makars, Aigars Paze, Arnis Abolins, Anda Fridrihsone, Kristine Meile, Mikelis Kirpluks
Publikováno v:
Polymers, Vol 13, Iss 24, p 4380 (2021)
Global sustainability challenges prompt the world to modify its strategies and shift from a fossil-fuel-based economy to a bio-resources-based one and to the production of renewable biomass chemicals. Depolymerized suberinic acids (SA) were considere
Externí odkaz:
https://doaj.org/article/224af35cf1a3419db34fa9f72e0c6806
Autor:
Arnis Abolins, Ralfs Pomilovskis, Edgars Vanags, Inese Mierina, Slawomir Michalowski, Anda Fridrihsone, Mikelis Kirpluks
Publikováno v:
Materials, Vol 14, Iss 4, p 894 (2021)
A second-generation bio-based feedstock—tall oil fatty acids—was epoxidised via two pathways. Oxirane rings were introduced into the fatty acid carbon backbone using a heterogeneous epoxidation catalyst-ion exchange resin Amberlite IR-120 H or en
Externí odkaz:
https://doaj.org/article/4bdb419a3c1d473d870ac912f3da7036
Publikováno v:
Energies, Vol 13, Iss 20, p 5249 (2020)
A screening Life Cycle Assessment (LCA) of tall oil-based bio-polyols suitable for rigid polyurethane (PU) foams has been carried out. The goal was to identify the hot-spots and data gaps. The system under investigation is three different tall oil fa
Externí odkaz:
https://doaj.org/article/6805c3b4e0ff4352bfad616ba360f34f