Results 71 to 80 of about 1,040,831 (304)

Near-Infrared Kinetic Spectroscopy of the HO_2 and C_2H_5O_2 Self-Reactions and Cross Reactions [PDF]

, 2010
The self-reactions and cross reactions of the peroxy radicals HO_2 and C_2H_5O_2 and HO_2 were monitored using simultaneous independent spectroscopic probes to observe each radical species.
Alconcel, L. S., Noell, A. C., Okumura, M., Robichaud, D. J., Sander, S. P.   +4 more
core  

The Deuterium Fractionation Timescale in Dense Cloud Cores: A Parameter Space Exploration

, 2015
The deuterium fraction [N$_2$D$^+$]/[N$_2$H$^+$], may provide information about the ages of dense, cold gas structures, important to compare with dynamical models of cloud core formation and evolution.
Caselli, Paola, Kong, Shuo, Sipilä, Olli, Tan, Jonathan C., Wakelam, Valentine   +4 more
core   +3 more sources

Structural biology of ferritin nanocages

FEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

Transferrin receptor 1‐mediated iron uptake supports thermogenic activation in human cervical‐derived adipocytes

FEBS Letters, EarlyView.
In this study, we found that human cervical‐derived adipocytes maintain intracellular iron level by regulating the expression of iron transport‐related proteins during adrenergic stimulation. Melanotransferrin is predicted to interact with transferrin receptor 1 based on in silico analysis.
Rahaf Alrifai, Mizuki Seo, Gyath Karadsheh, Fachrur Rizal Mahendra, Máté Á Demény, Ferenc Győry, János András Mótyán, László Fésüs, Endre Kristóf, Rini Arianti   +9 more
wiley   +1 more source

Environment Protection by Practical Chemistry: A General Chemistry Laboratory Course with a Minimum of Chemical Waste

CHIMIA, 1991
A first year chemistry-laboratory course for 170–210 students has been reorganized to minimize its chemical residues by input reduction and substitution, networking of material flows, separate collection, and recycling at the source. Compared to
Hanns Fischer
doaj   +2 more sources

Impact of acidity and surface-modulated acid dissociation on cloud response to organic aerosol [PDF]

Atmospheric Chemistry and Physics
Acid dissociation of the organic aerosol fraction has the potential to impact cloud-activating properties by altering aqueous-phase H+ concentrations and water activity but is currently overlooked in most atmospheric aerosol models.
G. Sengupta, M. Zheng, M. Zheng, N. L. Prisle   +3 more
doaj   +1 more source

The planar cell polarity protein Vangl2 interacts with the PDZ‐domains of Scribble but not with a unique PDZ‐like domain in Inturned

FEBS Letters, EarlyView.
Structural and biochemical characterisations show that the planar cell polarity (PCP) protein Inturned harbours a unique PDZ‐like domain that does not bind canonical PDZ‐binding motifs (PBMs) like that of another PCP protein Vangl2. In contrast, the apical‐basal polarity protein Scribble contains four PDZ domains that bind Vangl2, but one PDZ domain ...
Stephan Wilmes, Jan Brysch, Carmen Gelze, Lilli Meier, Daniel Kümmel   +4 more
wiley   +1 more source

Linkages Between Mineral Element Composition of Soils and Sediments With Hyporheic Zone Dissolved Organic Matter Chemistry Across the Contiguous United States

Geophysical Research Letters
The hyporheic zone is a hotspot for biogeochemical cycling where interactions with mineral metals preserve the release and biodegradation of organic matter (OM).
J. Alan Roebuck Jr., Kenton A. Rod, Vanessa A. Garayburu‐Caruso, Rosalie K. Chu, Amy E. Goldman, Lupita Renteria, Micah Taylor, James C. Stegen   +7 more
doaj   +1 more source

Development of SOA modules in the WRF-Chem model and evaluation of the key formation pathways of SOA and associated health risk over mainland China

Environment International
Secondary Organic Aerosol (SOA), a vital component of fine particulate matter (PM2.5), formation of which is significantly affected by precursors, meteorological factors and the levels of oxidants.
Liqing Wu, Bing Wu, Zhenhao Ling, Min Shao, Xuemei Wang   +4 more
doaj   +1 more source

Tau acetylation at K331 has limited impact on tau pathology in vivo

FEBS Letters, EarlyView.
We mapped tau post‐translational modifications in humanized MAPT knock‐in mice and in amyloid‐bearing double knock‐in mice. Acetylation within the repeat domain, particularly around K331, showed modest increases under amyloid pathology. To test functional relevance, we generated MAPTK331Q knock‐in mice.
Shoko Hashimoto, Yukio Matsuba, Mika Takahashi, Takaomi C. Saido   +3 more
wiley   +1 more source