Results 41 to 50 of about 36,700 (277)
Exploration of the close chemical space of tryptophan and tyrosine reveals importance of hydrophobicity in CW-photo-CIDNP performances [PDF]
Magnetic Resonance, 2021 Sensitivity being one of the main hurdles of nuclear magnetic resonance (NMR) can be gained by polarization techniques including chemically induced dynamic nuclear polarization (CIDNP).
F. Torres, A. Renn, R. Riek
doaj +1 more source
An efficient quantum mechanical method for radical pair recombination reactions [PDF]
The Journal of Chemical Physics, 2016 The standard quantum mechanical expressions for the singlet and triplet survival probabilities and product yields of a radical pair recombination reaction involve a trace over the states in a combined electronic and nuclear spin Hilbert space. If this trace is evaluated deterministically, by performing a separate time-dependent wavepacket calculation ...
Alan M. Lewis +2 more
openaire +4 more sources
Radical triads, not pairs, may explain effects of hypomagnetic fields on neurogenesis.
PLoS Computational Biology, 2022 Adult hippocampal neurogenesis and hippocampus-dependent cognition in mice have been found to be adversely affected by hypomagnetic field exposure. The effect concurred with a reduction of reactive oxygen species in the absence of the geomagnetic field ...
Jess Ramsay, Daniel R Kattnig
doaj +1 more source
The Two Faces of the Guanyl Radical: Molecular Context and Behavior
Molecules, 2021 The guanyl radical or neutral guanine radical G(-H)• results from the loss of a hydrogen atom (H•) or an electron/proton (e–/H+) couple from the guanine structures (G). The guanyl radical exists in two tautomeric forms.
Chryssostomos Chatgilialoglu
doaj +1 more source
Schematic of radical pair mechanism for [FADH•…O2•−] radical pair.
, 2022 Schematic of radical pair mechanism for [FADH•…O2•−] radical pair.
Dennis Salahub (2359465) +3 more
core +1 more source
A New Type of Radical-Pair-Based Model for Magnetoreception [PDF]
, 2012 Certain migratory birds can sense the earth's magnetic field. The nature of this process is not yet properly understood. Here we offer a simple explanation according to which birds literally `see' the local magnetic field: Our model relates the well ...
Benjamin, SC +20 more
core +1 more source
Entangled radicals may explain lithium effects on hyperactivity
Scientific Reports, 2021 It is known that bipolar disorder and its lithium treatment involve the modulation of oxidative stress. Moreover, it has been observed that lithium’s effects are isotope-dependent.
Hadi Zadeh-Haghighi, Christoph Simon
doaj +1 more source
, 2021 Activation of inert molecules like CO2 is often mediated by cooperative chemistry between two reactive sites within a cata-lytic assembly, the most common form of which is Lewis acid/base bifunctionality observed in both natural metalloenzymes and ...
Neal, Mankad +2 more
core +1 more source
Radical-Pair-Based Magnetoreception Amplified by Radical Scavenging: Resilience to Spin Relaxation [PDF]
, 2017 Birds and several other species are equipped with the remarkable ability to sense the geomagnetic field for the purpose of navigation and orientation.
DR Kattnig (21871391)
core +2 more sources
Spin polarization transfer by the radical pair mechanism
The Journal of Chemical Physics, 2015 In a three-site representation, we study a spin polarization transfer from radical pair spins to a nearby electron or nuclear spin. The quantum dynamics of the radical pair spins is governed by a constant exchange interaction between the radical pair spins which have different Zeeman frequencies.
Mehdi, Zarea +2 more
openaire +3 more sources