Results 61 to 70 of about 25,002,669 (302)

Mechanism of low temperature deformation in aluminium alloys

Materials Science & Engineering: A, 2020
This study investigates differences in the deformation mechanisms between room temperature (296 K) and cryogenic temperatures (77 K) and their advantages for low temperature formability in alloys EN AW 1085, EN AW 5182 and EN AW 6016.
B. Gruber, I. Weißensteiner, T. Kremmer, F. Grabner, G. Falkinger, A. Schökel, F. Spieckermann, R. Schäublin, P. Uggowitzer, S. Pogatscher   +9 more
semanticscholar   +1 more source

Tau acetylation at K331 has limited impact on tau pathology in vivo

FEBS Letters, EarlyView.
We mapped tau post‐translational modifications in humanized MAPT knock‐in mice and in amyloid‐bearing double knock‐in mice. Acetylation within the repeat domain, particularly around K331, showed modest increases under amyloid pathology. To test functional relevance, we generated MAPTK331Q knock‐in mice.
Shoko Hashimoto, Yukio Matsuba, Mika Takahashi, Takaomi C. Saido   +3 more
wiley   +1 more source

Development of low temperature battery [PDF]

, 1967
Self-contained low temperature battery system consisting of a magnesium anode, potassium thiocyanate-ammonia electrolyte and a cathode composed of a mixture of sulfur, carbon, and mercuric sulfate operates for at least seventy-two hours within a ...
Armstrong, G. M.
core   +1 more source

Low temperature microwave emission from molecular clusters

, 2004
We investigate the experimental detection of the electromagnetic radiation generated in the fast magnetization reversal in Mn12-acetate at low temperatures.
A García-Santiago, A Hernández-Mínguez, Abragam A., Bal M., Chudnovsky E. M., Chudnovsky E. M., del Barco E., del Barco E., J Tejada, J. M Hernandez, M Jordi, Menshikov L. I., Menshikov L. I., Paulsen C., R Amigó, Suzuki Y.   +15 more
core   +2 more sources

Induction methods used in low temperature physics [PDF]

, 1975
A study has been made of induction bridges used in low temperature physics.\ud \ud In Part 1 the design of a mutual inductance bridge of the Hartshorn type is discussed.
Caspari, M., Klundert, L.J.M. van de, Marel, L.C. van der, Rooij, C. de   +3 more
core   +2 more sources

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

FEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa, Konstantinos Makryniotis, Theofani‐Iosifina Sousani, Evangelos Topakas, Vangelis Daskalakis, Maria Dimarogona   +5 more
wiley   +1 more source

Oxygen Vacancy Promoted O2 Activation over Perovskite Oxide for Low-Temperature CO Oxidation

ACS Catalysis, 2019
The insights on the primary active oxygen specie and its relation with oxygen vacancy is essential for the design of low-temperature oxidation catalysts.
Ji Yang, Siyu Hu, Ya-Hui Fang, Son Hoang, Li Li, Weiwei Yang, Zhenfeng Liang, Jian Wu, Jinpeng Hu, W. Xiao, Chuanqi Pan, Zhu Luo, Jun Ding, Lizhi Zhang, Yanbing Guo   +14 more
semanticscholar   +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

Fractionation of nitrogen isotopes in the enzymatic deamination of alanine: an insight into the quantitative evaluation of anaerobic metabolism in ecosystems

Progress in Earth and Planetary Science
Nitrogen isotope ratios of amino acids have been employed as a tool for illustrating the resource utilization of organisms and the trophic transfer between organisms in food webs.
Yuko Takizawa, Hyuntae Choi, Mio Shibuya, Nayeon Park, Prarthana S. Dharampal, Shawn A. Steffan, Yoshito Chikaraishi   +6 more
doaj   +1 more source

Surface related laser induced white emission of Cr:YAG ceramic

Scientific Reports, 2021
In this work we report the white light emission in transparent Cr:YAG ceramic pellet upon irradiation with focused beam of CW infrared laser diode. It was found that this phenomenon is specifically related to interaction of laser beam with a surface of ...
M. Chaika, R. Tomala, W. Strek
doaj   +1 more source