Results 51 to 60 of about 1,757 (201)

Structural insights for enhanced ROS detoxification of eKatE, a recently identified catalase in atypical E. coli

The FEBS Journal, Volume 293, Issue 1, Page 196-219, January 2026.
We revealed the crystal structure of eKatE from atypical E. coli. eKatE exhibits a hydrogen‐peroxide‐sensitive major channel, a stabilized dimeric interface, an unusual covalent bond between C392 and Y415, and other distinctive features. These structural features contribute to its enhanced catalase activity compared to KatE in typical E.
Eunhee Koh, Youngki Yoo, Mi Young Yoon, Myung Kyung Choi, Uijin Kim, Jun Bae Park, Sang Sun Yoon, Hyun‐Soo Cho   +7 more
wiley   +1 more source

A Comprehensive Energy, Exergy, Exergoenvironmental, Economic, and Indoor Environmental Quality Assessment of a Split Air Conditioning System

International Journal of Energy Research, Volume 2026, Issue 1, 2026.
This study presents a comprehensive experimental and multicriteria performance assessment of a 9000 BTU/h split‐type air conditioning system operating with R410A, integrating energy, exergy, environmental (total equivalent warming impact [TEWI] and life cycle climate performance [LCCP]), exergoenvironmental, economic, uncertainty, and indoor ...
Zafer Cingiz, Claire Gao
wiley   +1 more source

Simulation study on performance of a dual-source hybrid heat pump unit with alternative refrigerants

Energy and Built Environment, 2020
To solve the problems of single heat source heat pump systems in severe cold regions, a dual-source hybrid heat pump unit (DSHHPU) is proposed. The mathematical models of the DSHHPU when charging R134a or its alternative refrigerants R32, R290 and R600a ...
Chenguang Bai, Zongwei Han, Haotian Wei, Xiaomei Ju, Xinwei Meng, Qi Fu   +5 more
doaj   +1 more source

The Spectrum of Neurologic Phenotypes Associated With NUS1 Pathogenic Variants: A Comprehensive Case Series

Annals of Neurology, Volume 98, Issue 3, Page 561-572, September 2025.
Objective A growing body of evidence indicates a strong genetic overlap between developmental and epileptic encephalopathies (DEEs) and movement disorders. De novo loss‐of‐function variants in NUS1 have been recently identified in DEE cases. Herein, we report a large cohort of cases with pathogenic NUS1 variants and describe their clinical presentation
Sarah M. Brooker, Maria Novelli, Robert Coukos, Neha Prakash, Walaa A. Kamel, Marta Amengual‐Gual, Mathieu Anheim, Giulia Barcia, Tanya Bardakjian, Franciska Baur, Steffen Berweck, Bigna K. Bölsterli, Melanie Brugger, Thomas Cassini, Nicolas Chatron, Brian Corner, Hormos Salimi Dafsari, Jean‐Madeleine de Sainte Agathe, Colin A. Ellis, Kimberly M. Ezell, Cendrine Foucard, Steven J. Frucht, Maria C. Garcia, Deepak Gill, Anne Guimier, Rizwan Hamid, Damià Heine‐Suñer, Peter Herkenrath, Marie Hully, Ioannis U. Isaias, Louis Januel, Chloe Laurencin, Taylor Laut, Alinoe Lavillaureix, Gaetan Lesca, Marion Lesieur‐Sebellin, Luca Magistrelli, Cecilia Marelli, Heather C. Mefford, Bryce A. Mendelsohn, Saadet Mercimek‐Andrews, Claire Miller, Shekeeb S. Mohammad, Francesca Morgante, Sirisha Nandipati, Thomas Opladen, Mahesh Padmanaban, Micaela Pauni, Gianni Pezzoli, Amelie Piton, Francis Ramond, Giulietta M. Riboldi, Christelle Rougeot‐Jung, Fernando Santos‐Simarro, Ingrid E. Scheffer, Naoual Serari, Christine M. Stahl, Ann Stembridge Kung, Susana Tarongí Sanchez, Christel Thauvin‐Robinet, Marianne Till, Christine Tranchant, Christopher Troedson, Thomas F. Tropea, Olivier Vanakker, Patricia Vega, Maxi Leona Wiese, Udo Wieshmann, Laura J. Williams, Thomas Wirth, Michael Zech, Hans Zempel, Emmanuel Roze, Vincenzo Leuzzi, Serena Galosi, Victor S. C. Fung, Gemma Carvill, Dimitri Krainc, Elizabeth Gerard, Niccolò E. Mencacci   +79 more
wiley   +1 more source

Advances in Research and Development of Transcritical CO2 Heat Pump Systems Intergrated With Sustainable Energy and Energy Storage: Applications and Perspectives

IET Smart Energy Systems, Volume 1, Issue 2, Page 168-200, September 2025.
This review focuses on the recent advances in the key research and technology development of transcritical CO2 heat pumps and integrated energy systems including sustainable ‘green’ heating, energy storage, electro‐thermal storage, waste heat recovery and disruptive electrification of renewable energy, combined heating and power, and new hybrid systems.
Lixin Cheng, Hongzhi Li, Haijun Wang
wiley   +1 more source

Energy and Exergy Efficiency Analysis of an Ejector‐Expansion Refrigeration Cycle Using the Working Fluid R134a and Its Potential Substitutes

Energy Science &Engineering, Volume 13, Issue 5, Page 2389-2400, May 2025.
ABSTRACT This paper proposes an ejector‐expansion refrigeration cycle (EERC) with two evaporating temperatures to recover partial expansion work and greatly reduces the throttling loss of the other expansion valve connected to the evaporator compared with the conventional bievaporator refrigeration cycle (CBEC).
Xiaoqin Liu, Weibin Wang, Jianyong Wang
wiley   +1 more source

Experimental study of R290/R600a mixtures in vapor compression refrigeration system

, 2022
This paper presents an experimental investigation of the effect of R290/R600a refrigerant mixtures on the performance of variable speed hermetic compressors used in household refrigeration.
Ozsipahi, Mustafa, Gunes, Hasan, Kose, Haluk Anil, Kerpicci, Husnu   +3 more
core   +1 more source

Charge Reduction and Performance Analysis of a Heat Pump Water Heater Using R290 as a Refrigerant—A Field Study

Energies
Heat pump water heaters (HPWHs) are a proven technology for water heating that has been commercialized. The adoption of HPWHs for domestic and commercial water heating is growing rapidly because of their superior performance compared with alternative ...
Ahmed Elatar, Joseph Rendall, Jian Sun, Jamieson Brechtl, Kashif Nawaz   +4 more
doaj   +1 more source

Broadband Receiver for VLF On‐Orbit Wave‐Particle Interaction Experiments

Journal of Geophysical Research: Space Physics, Volume 130, Issue 3, March 2025.
Abstract A broadband, multi‐channel Very Low Frequency (VLF) radio receiver (BBR), developed as a sensitive analog, vector wave receiver for whistler‐mode signals in the VLF range, was successfully flown on the Air Force Demonstration Science Experiment (DSX) Mission to Mid‐Earth Orbit (Johnston et al., 2023, https://doi.org/10.1029/2022JA030771).
I. R. Linscott, U. S. Inan, D. S. Lauben, W. M. Farrell, J. Payne, B. Mossiwir, C. Wang, K. Lee, W. R. Johnston, M. J. Starks, J. P. McCollough, J. C. Sanchez, Y.‐J. Su   +12 more
wiley   +1 more source

Performance Investigation of R290 As A Substitute to R22 Refrigeration System

, 2021
In this study, Use of natural refrigerant R290 can play a vital role in fulfilling the objectives of the international protocols like Montreal and Kyoto. Because of environmental issues such as ozone depletion and global warming, R22 needs to be phased out on urgent basis.
Pawan Kumar Kashyap, Aditya Kasaudhan, Aditya Kumar Singh, Divyansh Chaudhary   +3 more
openaire   +1 more source