Results 11 to 20 of about 1,373 (131)

Effective Solid Phase Extraction of Toxic Pyrrolizidine Alkaloids from Honey with Reusable Organosilyl-Sulfonated Halloysite Nanotubes

Separations, 2022
Pyrrolizidine alkaloids are plant secondary metabolites that have recently attracted attention as toxic contaminants in various foods and feeds as they are often harvested by accident.
Tobias Schlappack, Nina Weidacher, Christian W. Huck, Günther K. Bonn, Matthias Rainer   +4 more
doaj   +1 more source

Single-Crystal Structure of HP-Sc₂TeO₆ Prepared by High-Pressure/High-Temperature Synthesis

Crystals, 2021
The first high-pressure scandium tellurate HP-Sc2TeO6 was synthesized from an NP-Sc2TeO6 normal-pressure precursor at 12 GPa and 1173 K using a multianvil apparatus (1000 t press, Walker-type module).
Raimund Ziegler, Martina Tribus, Clivia Hejny, Gunter Heymann   +3 more
doaj   +1 more source

Study protocol of “From Science 2 School”—prevalence of sports and physical exercise linked to omnivorous, vegetarian and vegan, diets among Austrian secondary schools

Frontiers in Sports and Active Living, 2022
The increasing prevalence of unhealthy lifestyle choices contribute to almost all chronic conditions negatively affecting individual and public health.
Katharina C. Wirnitzer, Katharina C. Wirnitzer, Katharina C. Wirnitzer, Derrick R. Tanous, Derrick R. Tanous, Mohamad Motevalli, Mohamad Motevalli, Georg Göbel, Gerold Wirnitzer, Clemens Drenowatz, Gerhard Ruedl, Armando Cocca, Werner Kirschner   +12 more
doaj   +1 more source

Near-Infrared Spectroscopy as a Rapid Screening Method for the Determination of Total Anthocyanin Content in Sambucus Fructus

Sensors, 2020
Elderberry (Sambucus nigra L., fructus) is a very potent herbal drug, deriving from traditional European medicine (TEM). Ripe elderberries are rich in anthocyanins, flavonols, flavonol esters, flavonol glycosides, lectins, essential oils, unsaturated ...
Stefan Stuppner, Sophia Mayr, Anel Beganovic, Krzysztof Beć, Justyna Grabska, Urban Aufschnaiter, Magdalena Groeneveld, Matthias Rainer, Thomas Jakschitz, Günther K. Bonn, Christian W. Huck   +10 more
doaj   +1 more source

Novel Room Temperature Ionic Liquid for Liquid-Phase Microextraction of Cannabidiol from Natural Cosmetics

Separations, 2020
This study presents the synthesis of a novel asymmetric 1,3-di(alkoxy)imidazolium based room temperature ionic liquid, more precisely 1-butoxy-3-ethoxy-2-ethyl-imidazolium bis(trifluoromethane)sulfonimide, and its application as an extraction solvent in ...
Susanne Huber, Matthias Harder, Kevin Funck, Kevin Erharter, Michael Popp, Günther K. Bonn, Matthias Rainer   +6 more
doaj   +1 more source

Differential Responses of Neural Retina Progenitor Populations to Chronic Hyperglycemia

Cells, 2021
Diabetic retinopathy is a frequent complication of longstanding diabetes, which comprises a complex interplay of microvascular abnormalities and neurodegeneration.
Nicole Schmitner, Christina Recheis, Jakob Thönig, Robin A. Kimmel   +3 more
doaj   +1 more source

Biological Diabrotica Management and Monitoring of Metarhizium Diversity in Austrian Maize Fields Following Mass Application of the Entomopathogen Metarhizium brunneum

Applied Sciences, 2021
Inundative mass application of Metarhizium brunneum BIPESCO 5 (Hypocreales, Clavicipitaceae) is used for the biological control of Diabrotica v. virgifera (Coleoptera, Chrysomelidae).
Maria Zottele, Johanna Mayerhofer, Hannah Embleton, Katharina Wechselberger, Jürg Enkerli, Hermann Strasser   +5 more
doaj   +1 more source

Effectiveness of Photoprotective Strategies in Three Mixotrophic Planktonic Ciliate Species

Diversity, 2020
Mixotrophic ciliate assemblages often prevail in summer in the surface layers of lakes. During this time, they are potentially exposed to damaging levels of incident solar ultraviolet radiation (UVR) and need efficient photoprotective mechanisms to ...
Bettina Sonntag, Ruben Sommaruga
doaj   +1 more source

Neopterin and Oxidation Products in the Blood of Patients with Various Forms of Dementia

Pteridines, 2003
Human monocyte-derived macrophages and dendritic cells produce increased amounts of neopterin derivatives upon stimulation with interferon-γ (IFN-γ).
Frick Barbara, Neurauter Gabriele, Diez-Ruiz Antonio, Schroecksnadel Katharina, Wirleitner Barbara, Leblhuber Friedrich, Fuchs Dietmar   +6 more
doaj   +1 more source

Metabolism navigates neural cell fate in development, aging and neurodegeneration

Disease Models & Mechanisms, 2021
An uninterrupted energy supply is critical for the optimal functioning of all our organs, and in this regard the human brain is particularly energy dependent.
Larissa Traxler, Jessica Lagerwall, Sophie Eichhorner, Davide Stefanoni, Angelo D'Alessandro, Jerome Mertens   +5 more
doaj   +1 more source