Results 61 to 70 of about 1,227,945 (330)

Conformational-Dependent Photodissociation of Glycolic Acid in an Argon Matrix

open access: yesPhotochem, 2023
Ultraviolet-induced photodissociation and photo-isomerization of the three most stable conformers (SSC, GAC, and AAT) of glycolic acid are investigated in a low-temperature solid argon matrix using FTIR spectroscopy and employing laser radiation with ...
Jussi Ahokas   +6 more
doaj   +1 more source

Dissociation and Decay of Ultra-cold Sodium Molecules

open access: yes, 2003
The dissociation of ultracold molecules is studied by ramping an external magnetic field through a Feshbach resonance. The observed dissociation energy shows non-linear dependence on the ramp speed and directly yields the strength of the atom-molecule ...
Abo-Shaeer, J. R.   +4 more
core   +1 more source

The role of histone modifications in transcription regulation upon DNA damage

open access: yesFEBS Letters, EarlyView.
This review discusses the critical role of histone modifications in regulating gene expression during the DNA damage response (DDR). By modulating chromatin structure and recruiting repair factors, these post‐translational modifications fine‐tune transcriptional programmes to maintain genomic stability.
Angelina Job Kolady, Siyao Wang
wiley   +1 more source

Structural Change of Apoferritin as the Effect of pH Change: DLS and SANS Study

open access: yesIndonesian Journal of Chemistry, 2020
Apoferritin is a complex protein potential for drug delivery application. The advantage of apoferritin lies in its core-shell structure, its nano size, and its pH-sensitivity.
Arum Patriati   +4 more
doaj   +1 more source

Liesegang patterns: Effect of dissociation of the invading electrolyte

open access: yes, 1998
The effect of dissociation of the invading electrolyte on the formation of Liesegang bands is investigated. We find, using organic compounds with known dissociation constants, that the spacing coefficient, 1+p, that characterizes the position of the n-th
Antal T.   +21 more
core   +1 more source

The newfound relationship between extrachromosomal DNAs and excised signal circles

open access: yesFEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

Luminous Bodies, Playful Children, and Abusive Grandmothers: Trauma, Dissociation, and Disorganized Attachment in the Early History of Great Perfection (rDzogs Chen) Buddhism

open access: yesReligions, 2020
This contribution explores the development of the highest teachings of the “Old School” (rnying ma) of Tibetan Buddhism, known as the Great Perfection (rdzogs chen).
Flavio A. Geisshuesler
doaj   +1 more source

Quantum chemical studies of redox properties and conformational changes of a four-center iron CO2 reduction electrocatalyst. [PDF]

open access: yes, 2018
The CO2 reduction electrocatalyst [Fe4N(CO)12]- (abbrev. 1-) reduces CO2 to HCO2- in a two-electron, one-proton catalytic cycle. Here, we employ ab initio calculations to estimate the first two redox potentials of 1- and explore the pathway of a side ...
Berben, Louise A   +5 more
core   +2 more sources

Sequence determinants of RNA G‐quadruplex unfolding by Arg‐rich regions

open access: yesFEBS Letters, EarlyView.
We show that Arg‐rich peptides selectively unfold RNA G‐quadruplexes, but not RNA stem‐loops or DNA/RNA duplexes. This length‐dependent activity is inhibited by acidic residues and is conserved among SR and SR‐related proteins (SRSF1, SRSF3, SRSF9, U1‐70K, and U2AF1).
Naiduwadura Ivon Upekala De Silva   +10 more
wiley   +1 more source

Heat Transfer Analysis of Methane Hydrate Sediment Dissociation in a Closed Reactor by a Thermal Method

open access: yesEnergies, 2012
The heat transfer analysis of hydrate-bearing sediment involved phase changes is one of the key requirements of gas hydrate exploitation techniques.
Mingjun Yang   +9 more
doaj   +1 more source

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