Results 71 to 80 of about 36,700 (277)

Dietary Protein Intake and Peritoneal Protein Losses in Peritoneal Dialysis Patients

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Peritoneal dialysis (PD) patients lose protein in their waste dialysate, potentially increasing their risk for malnutrition. We wished to determine whether there was any association between losses and dietary protein intake (DPI). Methods DPI was assessed from 24‐h dietary recall using Nutrics software.
Haalah Shaaker, Andrew Davenport
wiley   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

FEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho, Shin Morioka, Junko Sasaki, Takehiko Sasaki   +3 more
wiley   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

FEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee, Dimitrios Bekiari, Sofia Doello, Karl Forchhammer   +3 more
wiley   +1 more source

Organ‐specific redox imbalances in spinal muscular atrophy mice are partially rescued by SMN antisense oligonucleotides

FEBS Letters, EarlyView.
We identified a systemic, progressive loss of protein S‐glutathionylation—detected by nonreducing western blotting—alongside dysregulation of glutathione‐cycle enzymes in both neuronal and peripheral tissues of Taiwanese SMA mice. These alterations were partially rescued by SMN antisense oligonucleotide therapy, revealing persistent redox imbalance as ...
Sofia Vrettou, Brunhilde Wirth
wiley   +1 more source

Introduction to quantum mechanics for applications in quantum biology: the case of the avian compass

Frontiers in Photonics
Quantum biology explores the possibility that fundamental quantum phenomena—such as coherence, tunneling, and entanglement—play functional roles in living systems. While biological environments are warm, wet, and noisy, making them seemingly inhospitable
Fernando Parisio, Daniel Felinto, Matheus Cândia Araña, Matheus Cândia Araña, Pedro H. Alvarez, Pedro H. Alvarez, Marcelo Victor Pires de Sousa, Marcelo Victor Pires de Sousa   +7 more
doaj   +1 more source

Electron spin relaxation can enhance the performance of a cryptochrome-based magnetic compass sensor

New Journal of Physics, 2016
The radical pair model of the avian magnetoreceptor relies on long-lived electron spin coherence. Dephasing, resulting from interactions of the spins with their fluctuating environment, is generally assumed to degrade the sensitivity of this compass to ...
Daniel R Kattnig, Jakub K Sowa, Ilia A Solov'yov, P J Hore   +3 more
doaj   +1 more source

Amplification of weak magnetic field effects on oscillating reactions

Scientific Reports, 2021
We explore the possibility that chemical feedback and autocatalysis in oscillating chemical reactions could amplify weak magnetic field effects on the rate constant of one of the constituent reactions, assumed to proceed via a radical pair mechanism ...
Thomas C. Player, Edward D. A. Baxter, Sarah Allatt, P. J. Hore   +3 more
doaj   +1 more source

The Thermal Sulfenate−Sulfoxide Rearrangement:  A Radical Pair Mechanism

, 2016
The thermal reaction of sulfenates (RS−OR), yielding their corresponding sulfoxides (RS(O)R), was studied experimentally. The first step of the reaction was found to be the formation a radical pair by homolytic cleavage of the carbon−oxygen bond of the ...
Jérôme Amaudrut (2987349), Olaf Wiest (105849)   +1 more
core   +2 more sources

Weak broadband electromagnetic fields are more disruptive to magnetic compass orientation in a night-migratory songbird (Erithacus rubecula) than strong narrow-band fields

Frontiers in Behavioral Neuroscience, 2016
Magnetic compass orientation in night-migratory songbirds is embedded in the visual system and seems to be based on a light-dependent radical pair mechanism. Recent findings suggest that both broadband electromagnetic fields ranging from ~2 kHz to ~9 MHz
Susanne eSchwarze, Susanne eSchwarze, Nils-Lasse eSchneider, Nils-Lasse eSchneider, Thomas eReichl, Thomas eReichl, David eDreyer, David eDreyer, Nele eLefeldt, Nele eLefeldt, Svenja eEngels, Svenja eEngels, Neville eBaker, P J Hore, Henrik eMouritsen, Henrik eMouritsen   +15 more
doaj   +1 more source

Glutathione--hydroxyl radical interaction: a theoretical study on radical recognition process. [PDF]

PLoS ONE, 2013
Non-reactive, comparative (2 × 1.2 μs) molecular dynamics simulations were carried out to characterize the interactions between glutathione (GSH, host molecule) and hydroxyl radical (OH(•), guest molecule).
Béla Fiser, Balázs Jójárt, Imre G Csizmadia, Béla Viskolcz   +3 more
doaj   +1 more source