Results 31 to 40 of about 19,335 (278)

Effect of physical aging on the low-frequency vibrational density of states of a glassy polymer

, 2003
The effects of the physical aging on the vibrational density of states (VDOS) of a polymeric glass is studied. The VDOS of a poly(methyl methacrylate) glass at low-energy (
Ahmad N., Angell C. A., Bandrup J., Duval E., E Duval, Etienne S., J. F Jal, Jäckle J., Kanaya T., L David, L Saviot, Mermet A., S Etienne, Struik L. C. E., Suck J. B., Surovtsev N. V., Wittmer J. P.   +16 more
core   +2 more sources

Deforming glassy polystyrene: Influence of pressure, thermal history, and deformation mode on yielding and hardening [PDF]

, 2009
The toughness of a polymer glass is determined by the interplay of yielding, strain softening, and strain hardening. Molecular-dynamics simulations of a typical polymer glass, atactic polystyrene, under the influence of active deformation have been ...
Alexey V. Lyulin, Allen M. P., Bart Vorselaars, Callister W. D., Doi M., Flory P. J., Landau L. D., M. A. J. Michels, Pu Z., Ragab A. -R. A. F., Treloar L. R. G., van Krevelen D. W., Wales D. J., Ward I. M., Zoller P.   +14 more
core   +1 more source

Mesoscopic real space structures in aging spin-glasses: the Edwards-Anderson model [PDF]

, 2018
Isothermal simulational data for the 3D Edwards-Anderson spin glass are collected at several temperatures below $T_{\rm c}$ and, in analogy with a recent model of dense colloidal suspensions,interpreted in terms of clusters of contiguous spins overturned
Boettcher, Stefan, Sibani, Paolo
core   +2 more sources

Structural insights into lacto‐N‐biose I recognition by a family 32 carbohydrate‐binding module from Bifidobacterium bifidum

FEBS Letters, EarlyView.
Bifidobacterium bifidum establishes symbiosis with infants by metabolizing lacto‐N‐biose I (LNB) from human milk oligosaccharides (HMOs). The extracellular multidomain enzyme LnbB drives this process, releasing LNB via its catalytic glycoside hydrolase family 20 (GH20) lacto‐N‐biosidase domain.
Xinzhe Zhang, Naoki Sunagawa, Toma Kashima, Kiyohiko Igarashi, Akimasa Miyanaga, Shinya Fushinobu   +5 more
wiley   +1 more source

Local Cooling as a Step of Treatment for Tissue Ischemia Caused by Hyaluronic Acid Injection-induced Embolism—A Report of 9 Cases

Plastic and Reconstructive Surgery, Global Open, 2018
Summary:. Hyaluronic acid injection is 1 of the most popular procedures in facial rejuvenation and augmentation. It is widely popular in the cosmetic surgery due to several advantages, which include rapid effect, minimal injury, and a short postoperative
Chen Zhang, MD, PhD, Chunying Ge, MD, Chunxiao Du, Med B, Jieqi Li, MD   +3 more
doaj   +1 more source

Tuning the memory dependence of vapour deposited metallic glasses [PDF]

, 2016
Peer ReviewedPostprint (published ...
Giordano, Valentina, Luettich, Martin, Luo, Y., Pineda Soler, Eloi, Ruta, Beatrice, Samwer, Konrad   +5 more
core  

Structural relaxation in amorphous materials under cyclic tension-compression loading

, 2019
The process of structural relaxation in disordered solids subjected to repeated tension-compression loading is studied using molecular dynamics simulations.
Jana, Pritam Kumar, Priezjev, Nikolai V.
core   +1 more source

Peptide‐based ligand antagonists block a Vibrio cholerae adhesin

FEBS Letters, EarlyView.
The structure of a peptide‐binding domain of the Vibrio cholerae adhesin FrhA was solved by X‐ray crystallography, revealing how the inhibitory peptide AGYTD binds tightly at its Ca2+‐coordinated pocket. Structure‐guided design incorporating D‐amino acids enhanced binding affinity, providing a foundation for developing anti‐adhesion therapeutics ...
Mingyu Wang, Grace Du, Charity Yongo‐Luwawa, Angelina Lu, Brett Kinrade, Kim Munro, Karl E. Klose, William D. Lubell, Peter Davies, Shuaiqi Guo   +9 more
wiley   +1 more source

Real‐time assay of ribonucleotide reductase activity with a fluorescent RNA aptamer

FEBS Letters, EarlyView.
Ribonucleotide reductases (RNR) synthesize DNA building blocks de novo, making them crucial in DNA replication and drug targeting. FLARE introduces the first single‐tube real‐time coupled RNR assay, which enables isothermal tracking of RNR activity at nanomolar enzyme levels and allows the reconstruction of allosteric regulatory patterns and rapid ...
Jacopo De Capitani, Noemi E. Nwosu, Viktoria Gocke, Müge Kasanmascheff, Hannes Mutschler   +4 more
wiley   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

FEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe, Tanmay Kumar Mohanty, Rashna Bhandari, Dorothea Fiedler   +3 more
wiley   +1 more source