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Analytical Chemistry May 26, 2023

Carbon-based catalysts for oxygen reduction reaction: Mechanistic understanding and porous structure

Proton exchange membrane fuel cells (PEMFC) have attracted much attention because of high conversion efficiency, low environmental pollution, and high specific energy, which can be widely used in vehicles such as automobiles, ...

Nanomaterials Apr 17, 2023

A novel platinum nanocluster for improved oxygen reduction reaction in fuel cells

The twin issues of climate change and the shortage of fossil fuels are two primary challenges of energy research. Polymer electrolyte fuel cells (PEFCs), which produce the clean fuel hydrogen, are one of the most promising ...

Plants & Animals Apr 14, 2023

Benefits of 'zombie' cells: Senescent cells aid regeneration in salamanders

Senescent cells, often referred to as "zombie" cells, have long been associated with aging and disease. However, a new study from the Center for Regenerative Therapies Dresden (CRTD) at TU Dresden adds to a growing body of ...

Bio & Medicine Apr 12, 2023

Tiny biobattery with potential 100-year shelf life runs on bacteria

Last fall, Professor Seokheun "Sean" Choi and his Bioelectronics and Microsystems Laboratory published their research into an ingestible biobattery activated by the Ph factor of the human intestine.

Analytical Chemistry Mar 22, 2023

Researchers describe promising method to optimize and scale up the production of fuel cell input

A novel process described in an article published in the journal Electrochemistry Communications converts nitrogen and hydrogen to ammonia (NH3) at ambient temperature and pressure with high energy efficiency. Ammonia, a ...

Analytical Chemistry Mar 13, 2023

Physicists study nucleation to inform the transition to hydrogen energy

Studying surfaces of solid materials: it may not seem relevant to energy consumption, but it is. Marcel Rost studies how platinum electrodes wear out. Those electrodes are a crucial component in the fuel cells of hydrogen-powered ...

Polymers Feb 9, 2023

Researchers construct uneven phosphoric acid interfaces for advanced high-temperature polymer electrolyte fuel cells

A research group led by Prof. Wang Suli and Prof. Sun Gongquan from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Science (CAS) constructed uneven phosphoric acid interfaces within the nanofiber ...

Cell & Microbiology Jan 25, 2023

Special vascular cells adjust blood flow in brain capillaries based on local energy needs

When we smell hot dogs, it may trigger memories of backyard barbeques or attending baseball games during childhood. During this process, the areas of the brain that control smell and long-term memory are rapidly firing off ...

Nanomaterials Jan 17, 2023

New method for designing tiny 3D materials could make fuel cells more efficient

Scientists from UNSW Sydney have demonstrated a novel technique for creating tiny 3D materials that could eventually make fuel cells like hydrogen batteries cheaper and more sustainable.

Cell & Microbiology Jan 12, 2023

Scientists solve the mystery of why OGT enzyme is critical for cell survival

Researchers at La Jolla Institute for Immunology (LJI) have at last uncovered how an enzyme called O-GlcNAc transferase (OGT) keeps cells healthy. Their findings, published in the Proceedings of the National Academies of ...

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