Results 71 to 80 of about 447,247 (352)

Elucidating the thermal decomposition mechanism of advanced energetic composites based on nitrated cellulose carbamate/ diethylene glycol dinitrate supplemented with organic stabilizers

Defence Technology
This study evaluates the stabilizing effect of lignin, extracted from Eucalyptus globulus, on an energetic composite of nitrated cellulose carbamate (NCC) plasticized with diethylene glycol dinitrate (DEGDN), compared to conventional stabilizers 2 ...
Lokmene Boumaza, Ahmed Fouzi Tarchoun, Djalal Trache, Amir Abdelaziz, Yacine Yahi, Nabil Slimani, Chemseddine Boustila, Thomas M. Klapötke   +7 more
doaj   +1 more source

Size effects in statistical fracture

, 2009
We review statistical theories and numerical methods employed to consider the sample size dependence of the failure strength distribution of disordered materials.
Bazant Z P, Chakrabarti B K, da Vinci L, de Arcangelis L, Freudenthal A M, Gumbel E J, Mikko J Alava, Mosolov A B, Phani K V V Nukala, Pierce F T, Stefano Zapperi, van Mier J G M, Weibull W   +12 more
core   +1 more source

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

FEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel, Carl P. O. Helmer, Shani Zev, Ronja Driller, Emily Buhr, Markus Reinbold, Renana Schwartz, Gabriel Foley, Mikael Boden, Daniel Garbe, Gerhard Schenk, Dan Thomas Major, Bernhard Loll, Thomas Brück   +13 more
wiley   +1 more source

Unraveling the role of ammonium perchlorate on the thermal properties and degradation kinetics of NPS-DEGDN energetic composite

FirePhysChem
Double-base energetic composites have garnered substantial attention, particularly in aerospace, rocket, and missile applications. This class of materials offers diverse burning rates, high specific impulses, exceptional operational performance, and ...
Nassima Sahnoun, Amir Abdelaziz, Memdouh Chebbah, Ahmed Fouzi Tarchoun, Hani Boukeciat, Yash Pal, Weiqiang Pang, Djalal Trache   +7 more
doaj   +1 more source

Valosin‐containing protein counteracts ATP‐driven dissolution of FUS condensates through its ATPase activity in vitro

FEBS Letters, EarlyView.
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura, Shin‐ichi Tate, Kyota Yasuda   +2 more
wiley   +1 more source

Exploring the effect of ammonium nitrate on the thermal stability and decomposition kinetics of dual nitrocellulose-nitrostarch-based energetic composites

FirePhysChem
This study explores a dual-biopolymer-based energetic composite, emphasizing the synergistic effects achieved by combining nitrocellulose (NC) and nitrostarch (NPS) biopolymers with ammonium nitrate (AN), as an oxidizer.
Nawel Matmat, Amir Abdelaziz, Ahmed Fouzi Tarchoun, Hani Boukeciat, Mohammed Jouini, Fateh Chalghoum, Djalal Trache   +6 more
doaj   +1 more source

An isoform of 14‐3‐3 protein regulates transbilayer lipid movement at the plasma membrane

FEBS Letters, EarlyView.
Loss of 14‐3‐3ζ in CHO cells confers resistance to exogenous phosphatidylserine (PS) and impairs endocytosis‐independent inward flip‐flop of fluorescent PS at the plasma membrane. RNAi‐mediated knockdown reproduces this defect, while no additive effect is seen in ATP11C‐deficient cells.
Akiko Yamaji‐Hasegawa, Akira Hattori, Masafumi Tsujimoto, Toshihide Kobayashi   +3 more
wiley   +1 more source

Enhancing energetic features of HTPB binder through nitro-functionalization and nitrocellulose doping

FirePhysChem
This study presents a double modification strategy to enhance hydroxyl‑terminated polybutadiene (HTPB) properties as an energetic binder. HTPB was chemically nitrated to obtain nitro-HTPB (NHTPB), then blended with nitrocellulose (NC) at different ratios
Mohammed Jouini, Amir Abdelaziz, Ahmed Fouzi Tarchoun, Fathi Rahamnia, Slimane Bekhouche, Yash Pal, Weiqiang Pang, Djalal Trache   +7 more
doaj   +1 more source

Controlled interfacial assembly of 2D curved colloidal crystals and jammed shells

, 2006
Assembly of colloidal particles on fluid interfaces is a promising technique for synthesizing two-dimensional micro-crystalline materials useful in fields as diverse as biomedicine1, materials science2, mineral flotation3 and food processing4.
AD Dinsmore, AI Abdel-Fattah, AJ Liu, Anand Bala Subramaniam, AR Bausch, AW Adamson, BF Gibbs, D Nelson, E Dickinson, EC Mbamala, EG Schutt, Howard A. Stone, JC McDonald, L Dong, Manouk Abkarian, ME Cates, OD Velev, OD Velev, OJ Cayre, P Pieranski, PA Krachelsvky, PF Noble, S Tarimala, TH Whitesides, Z Du   +24 more
core   +1 more source

Stochastic simulation of destruction processes in self-irradiated materials [PDF]

, 2017
Self-irradiation damages resulting from fission processes are common phenomena observed in nuclear fuel containing (NFC) materials. Numerous $\alpha$-decays lead to local structure transformations in NFC materials.
Badiali, J. P., Holovko, M., Patsahan, T., Stafiej, J., Taleb, A.   +4 more
core   +2 more sources