Zobrazeno 1 - 10
of 163
pro vyhledávání: '"Stefan, Spirk"'
Autor:
Sebastian Wurm, Alexa Scheer, Georg Baumann, Markus Wagner, Kevin Vitzthum, Stefan Spirk, Florian Feist
Publikováno v:
ACS Omega, Vol 9, Iss 48, Pp 47690-47698 (2024)
Externí odkaz:
https://doaj.org/article/2643b9f5c2b045768734a203e5ab5249
Autor:
Mark V. Höfler, Jonas Lins, David Seelinger, Lukas Pachernegg, Timmy Schäfer, Stefan Spirk, Markus Biesalski, Torsten Gutmann
Publikováno v:
Journal of Magnetic Resonance Open, Vol 21, Iss , Pp 100163- (2024)
This concept summarizes recent advances in development and application of DNP enhanced multinuclear solid-state NMR to study the molecular structure and surface functionalization of cellulose and paper-based materials. Moreover, a novel application i
Externí odkaz:
https://doaj.org/article/3ee444e70aca449994103272fc7b5e1d
Autor:
Florian Feist, Markus Wagner, Georg Baumann, Stefan Spirk, Veronika Biegler, Qixiang Jiang, Tiina Nypelö
Publikováno v:
Heliyon, Vol 11, Iss 1, Pp e40790- (2025)
Bulky cellulosic network structures (BRC) with densities between 60 and 130 g/l were investigated as a sustainable alternative to fossil-based foams for impact liners in bicycle helmets. The mechanical properties of BRC foams were characterized acros
Externí odkaz:
https://doaj.org/article/9c78a829171b471d87e3569abca1018a
Autor:
Jonas L. Ravn, João H.C. Manfrão-Netto, Jana B. Schaubeder, Luca Torello Pianale, Stefan Spirk, Iván F. Ciklic, Cecilia Geijer
Publikováno v:
Microbial Cell Factories, Vol 23, Iss 1, Pp 1-14 (2024)
Abstract Background The abundance of glucuronoxylan (GX) in agricultural and forestry residual side streams positions it as a promising feedstock for microbial conversion into valuable compounds. By engineering strains of the widely employed cell fac
Externí odkaz:
https://doaj.org/article/e1cf28d0323647eabf660487bd4ff520
Autor:
Julian Selinger, Kristoffer Meinander, Benjamin P. Wilson, Qamar Abbas, Michael Hummel, Stefan Spirk
Publikováno v:
ACS Omega, Vol 9, Iss 4, Pp 4733-4743 (2024)
Externí odkaz:
https://doaj.org/article/949ca6305c084a3690cd2d00e7f61e50
Autor:
Jana B. Schaubeder, Chamseddine Guizani, Julian Selinger, Andreas Mautner, Michael Hummel, Stefan Spirk
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract Activated carbon produced from biomass exhibits a high specific surface area due to the natural hierarchical porous structure of the precursor material. To reduce production costs of activated carbon, bio-waste materials receive more and mor
Externí odkaz:
https://doaj.org/article/ea5fb59567a14766916348e22c0f901f
Autor:
Jussi Lahti, Roman Poschner, Werner Schlemmer, Andrea Hochegger, Erich Leitner, Stefan Spirk, Ulrich Hirn
Publikováno v:
ACS Omega, Vol 6, Iss 44, Pp 29350-29359 (2021)
Externí odkaz:
https://doaj.org/article/4f43eecf92e240c5a9327634d80d0e4c
Publikováno v:
Frontiers in Chemical Engineering, Vol 3 (2021)
Polymer thin films with thickness below 100 nm are a fascinating class of 2D materials with commercial and research applications in many branches ranging from coatings to photoresists and insulating materials, to mention just a few uses. Biopolymers
Externí odkaz:
https://doaj.org/article/69e3c631c71f458888fcdd9344cd44d9
Autor:
Patrick Petschacher, Reza Ghanbari, Carina Sampl, Helmar Wiltsche, Roland Kádár, Stefan Spirk, Tiina Nypelö
Publikováno v:
Nanomaterials, Vol 12, Iss 18, p 3131 (2022)
Sulfate groups on cellulose particles such as cellulose nanocrystals (CNCs) provide colloidal stability credit to electrostatic repulsion between the like-charged particles. The introduction of sodium counter cations on the sulfate groups enables dry
Externí odkaz:
https://doaj.org/article/cbd5e137b6d84f0b99c35621c5b43460
Autor:
Julian Selinger, Sebastian Stock, Werner Schlemmer, Mathias Hobisch, Nikolaos Kostoglou, Qamar Abbas, Oskar Paris, Christian Mitterer, Michael Hummel, Stefan Spirk
Publikováno v:
Nanomaterials, Vol 12, Iss 15, p 2647 (2022)
Coffee, as one of the most traded resources, generates a vast amount of biogenic by-products. Coffee silver skins (CSS), a side stream from the roasting process, account for about 4 wt.%. Despite the abundancy of CSS, possible routes to generate adde
Externí odkaz:
https://doaj.org/article/8e93162e97b945fa82062063d5d03aff