Results 41 to 50 of about 1,324 (249)

Understanding Operando Water Management in Hydroxide‐Exchange‐Membrane Fuel Cells

Advanced Materials Interfaces, EarlyView.
Effective water management is vital for high‐performance hydroxide‐exchange‐membrane fuel cells. Using a custom water‐flux station, this study quantifies how membrane thickness, microporous layers, and operating conditions dictate internal water transport.
Catherine M. Weiss, Shiyi Wang, Brian P. Setzler, Yushan Yan, Adam Z. Weber   +4 more
wiley   +1 more source

Ultramafic Rocks and Their Alteration Products From Northwestern Allaqi Province, Southeastern Desert, Egypt: Petrology, Mineralogy, and Geochemistry

Frontiers in Earth Science, 2022
The ophiolitic rocks, island arc metasediments, and granitic rocks are encountered in the study of the Allaqi province. The present study concentrated on ultramafic rocks and their various forms of hydrothermal alteration.
A. M. Abdel-Rahman, H. M. El-Desoky, B. N. A. Shalaby, H. A. Awad, Antoaneta Ene, M. A. Heikal, H. El-Awny, W. Fahmy, S. A. Taalab, Hesham M. H. Zakaly, Hesham M. H. Zakaly   +10 more
doaj   +1 more source

Flexible Wide Bandgap Electrode System for In situ Cell Sensing and Irreversible Electroporation

Advanced Materials Interfaces, EarlyView.
The paper reports the design and wafer‐level microfabrication of a long‐lived, flexible 3C‐SiC electrode capable of sensitive and in situ cell sensing, as well as electroporation ablation. The work demonstrates a biocompatible and durable electrode platform that can perform reliable electrical interfacing with biological tissues over extended periods ...
Minh Anh Huynh, Sharda Yadav, Tuan‐Khoa Nguyen, Nam‐Trung Nguyen   +3 more
wiley   +1 more source

A Petro‐Physical Model for Serpentinized Mantle and Origin of Natural Hydrogen in the Pyrenees

Geochemistry, Geophysics, Geosystems
The relationships between the serpentinized continental mantle in orogens, its geophysical signature at depth and hydrogen seepages are poorly understood.
Sepideh Pajang, Frédéric Mouthereau, Alexandra Robert, Ajay Kumar, Jean‐Paul Callot   +4 more
doaj   +1 more source

The Origin and Occurrence of Natural Hydrogen

Energies, 2023
Hydrogen is an attractive, clean, sustainable energy source primarily produced via industry. At present, most reviews on hydrogen mainly focus on the preparation and storage of hydrogen, while the development and utilization of natural hydrogen will ...
Lu Wang, Zhijun Jin, Xiao Chen, Yutong Su, Xiaowei Huang   +4 more
doaj   +1 more source

Upcycling Compact Discs Into Ultra‐Stable, Flexible, and Stretchable Nanoporous Gold Electrodes for Enhanced Biosensing Performance

Advanced Materials Technologies, EarlyView.
This article highlights the development of robust and high‐performance flexible and stretchable biosensors that maintain long‐term functionality and optimal electrical conductivity under mechanical deformation, utilizing sustainable and cost‐effective manufacturing principles.
Mousa H. Aldosari, Ahyeon Koh
wiley   +1 more source

Insights into the physiological and genomic characterization of three bacterial isolates from a highly alkaline, terrestrial serpentinizing system

Frontiers in Microbiology, 2023
The terrestrial serpentinite-hosted ecosystem known as “The Cedars” is home to a diverse microbial community persisting under highly alkaline (pH ~ 12) and reducing (Eh < −550 mV) conditions.
Jaclyn Thompson, Casey Barr, Lydia Babcock-Adams, Lina Bird, Eugenio La Cava, Arkadiy Garber, Arkadiy Garber, Yuichi Hongoh, Mark Liu, Kenneth H. Nealson, Akihiro Okamoto, Akihiro Okamoto, Akihiro Okamoto, Daniel Repeta, Shino Suzuki, Shino Suzuki, Clarissa Tacto, Michelle Tashjian, Nancy Merino, Nancy Merino, Nancy Merino   +20 more
doaj   +1 more source

Spheroid‐On‐A‐Drop: A Modular Droplet Microfluidics Platform

Advanced Materials Technologies, EarlyView.
The proposed Spheroid‐on‐a‐Drop platform represents a reproducible and tunable platform for the fabrication of biocompatible GelMA‐based microgels, able to support controlled 3D tumor spheroid culture. Its precise control over droplet dynamics and cell distribution paves the way for advanced applications in tissue modeling, drug screening, and ...
A. Fergola, V. Vighetto, G. Mesiano, A. Cosola, S. L. Marasso, M. Cocuzza, C. F. Pirri, L. Napione, F. Frascella   +8 more
wiley   +1 more source

3D‐Printed Dual‐Doped Ag2Se‐Based Thermoelectric Films With Enhanced Thermal Stability

Advanced Materials Technologies, EarlyView.
Sb–Se dual doping enhances the thermal stability of Ag2Se‐based thermoelectric systems. The compositionally tuned nano‐ink is printed into flexible films by direct ink writing (DIW), retaining improved thermoelectric properties after annealing up to 400°C.
Ahasun Habib Hridoy, Nishat Paul, Naimul Arefin, Axel Lopez, Peiran Wei, Brandon Dumars, Yan Chen, Mortaza Saeidi, Minxiang Zeng   +8 more
wiley   +1 more source

Diversity of Rare and Abundant Prokaryotic Phylotypes in the Prony Hydrothermal Field and Comparison with Other Serpentinite-Hosted Ecosystems

Frontiers in Microbiology, 2018
The Bay of Prony, South of New Caledonia, represents a unique serpentinite-hosted hydrothermal field due to its coastal situation. It harbors both submarine and intertidal active sites, discharging hydrogen- and methane-rich alkaline fluids of low ...
Eléonore Frouin, Méline Bes, Bernard Ollivier, Marianne Quéméneur, Anne Postec, Didier Debroas, Fabrice Armougom, Gaël Erauso   +7 more
doaj   +1 more source