Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Miriam Koppel"'
Autor:
Hanna Bulgarin, Thomas Thomberg, Andres Lust, Jaak Nerut, Miriam Koppel, Tavo Romann, Rasmus Palm, Martin Månsson, Marko Vana, Heikki Junninen, Marian Külaviir, Päärn Paiste, Kalle Kirsimäe, Marite Punapart, Liane Viru, Andres Merits, Enn Lust
Publikováno v:
iScience, Vol 27, Iss 6, Pp 109835- (2024)
Summary: Virucidal filter materials were prepared by electrospinning a solution of 28 wt % poly(vinylidene difluoride) in N,N-dimethylacetamide without and with the addition of 0.25 wt %, 0.75 wt %, 2.0 wt %, or 3.5 wt % Cu(NO3)2 · 2.5H2O as virucid
Externí odkaz:
https://doaj.org/article/0ab1cae38d364651bb543544324a258a
Autor:
Egert Möller, Rasmus Palm, Kenneth Tuul, Meelis Härmas, Miriam Koppel, Jaan Aruväli, Marian Külaviir, Enn Lust
Publikováno v:
Nanomaterials, Vol 13, Iss 21, p 2883 (2023)
Highly microporous adsorbents have been under considerable scrutiny for efficient adsorptive storage of H2. Of specific interest are sustainable, chemically activated, microporous carbon adsorbents, especially from renewable and organic precursor mat
Externí odkaz:
https://doaj.org/article/f7d4ecb2484d45449252394a95c31d4e
Publikováno v:
Crystals, Vol 13, Iss 10, p 1441 (2023)
A detailed comprehension of protein function requires information on the spatial structure of the protein, which is often gathered from X-ray crystallography. However, conformational dynamics often also plays an important functional role in proteins
Externí odkaz:
https://doaj.org/article/aa4bc83fe89045d79494549c2a040de4
Autor:
Annabel Raudsepp, Rutha Jäger, Jaak Nerut, Peeter Valk, Patrick Teppor, Miriam Koppel, Jaan Aruväli, Joel Laanemäe, Wiljar Lobjakas, Enn Lust
Publikováno v:
ECS Transactions. 111:51-61
Carbon supported Pt catalyst materials were synthesized from waste tire derived carbon by two different methods (microwave and refluxing). Catalysts and carbons were physically (XRD, N2 sorption analysis, TGA) and electrochemically characterized (RDE
Autor:
Patrick Teppor, Rutha Jäger, Jaak Nerut, Miriam Koppel, Jaan Aruväli, Olga Volobujeva, Enn Lust
Publikováno v:
ECS Transactions. 111:73-80
This work explores the feasibility of synthesizing active non-platinum group metal oxygen reduction catalysts from naturally abundant peat through a facile one-pot method. The procedure yielded highly porous materials (specific surface area ~1000 m2
Autor:
Anna-Mai Allikmäe, Robert Telpt, Jaak Nerut, Patrick Teppor, Peeter Valk, Miriam Koppel, Jaan Aruväli, Enn Lust
Publikováno v:
ECS Transactions. 111:105-115
The oxygen reduction catalyst was synthesized by depositing Pt nanoparticles on carbon black using ethylene glycol as a reducing agent. The synthesized catalyst material contained approximately 60 wt% of Pt, and the average Pt crystallite size was un
Autor:
Sander Simson, Jaak Nerut, Meelis Härmas, Peeter Valk, Patrick Teppor, Rasmus Palm, Miriam Koppel, Jaan Aruväli, Ove Korjus, Olga Volobujeva, Martin Månsson, Enn Lust
Publikováno v:
ECS Transactions. 111:93-103
In this study, carbon support material, derived from coffee grounds was used in the preparation of Pt catalysts for polymer electrolyte membrane fuel cell (PEMFC) application. The carbon material was synthesized using ZnCl2 activated pyrolysis method
Autor:
Huy Quí Vinh Nguyen, Jaak Nerut, Heili Kasuk, Meelis Härmas, Peeter Valk, Tavo Romann, Miriam Koppel, Patrick Teppor, Jaan Aruväli, Ove Korjus, Olga Volobujeva, Enn Lust
Publikováno v:
Journal of Solid State Electrochemistry. 27:313-326
Autor:
Miriam Koppel, Rasmus Palm, Riinu Härmas, Margarita Russina, Veronika Grzimek, Jacek Jagiello, Maarja Paalo, Heisi Kurig, Martin Månsson, Ove Oll, Enn Lust
Publikováno v:
Carbon. 197:359-367
The self diffusion mechanisms for adsorbed H2 in different porous structures are investigated with in situ quasi elastic neutron scattering method at a temperature range from 50 K to 100 K and at various H2 loadings. The porous structures of the carb
Autor:
Alise-Valentine Prits, Jaak Nerut, Heili Kasuk, Mihkel Koel, Silver Sepp, Peeter Valk, Jaan Aruväli, Miriam Koppel, Valdek Mikli, Olga Volobujeva, Enn Lust
Publikováno v:
ECS Transactions. 108:79-90
Electrooxidation of methanol is an essential topic in developing direct methanol fuel cells, and numerous catalyst materials have been studied for this application. 1–3 Among other materials, the platinum-based composite catalysts containing rare e