Search results for transmission electron microscopy

Analytical Chemistry Apr 2, 2025

Frontier molecular orbital theory aids single-atom catalyst design

Single-atom catalysts (SACs), with their excellent metal atom utilization and unique physicochemical properties, hold promise for broad applications, especially in heterogeneous catalysis and energy conversions. Essentially, ...

Nanomaterials Mar 26, 2025

Chemical oscillations in palladium nanoparticles could pave way for recycling precious metal catalysts

Researchers at the University of Nottingham's School of Chemistry used transmission electron microscopy (TEM) to observe the complete lifecycle of palladium nanoparticles in a liquid environment, from nucleation through growth ...

Nanophysics Mar 4, 2025

3D imaging technique captures dynamic atomic shifts in nanoparticles, revealing unexpected structural phases

A research team from Seoul National University College of Engineering has developed a technology to observe atomic structural changes of nanoparticles in three dimensions. Their study, which resolves a long-standing challenge ...

Bio & Medicine Mar 3, 2025

Extracellular vesicles that guide zebrafish embryonic development may have potential for human medicine

During the first 72 hours in particular, extracellular vesicles—nanoparticles enclosed in cell membranes—play a significant role in the embryonic development of zebrafish.

Biotechnology Feb 25, 2025

3D imaging approach reveals intricate steps of herpes simplex virus assembly

A new combination of microscopy methods has revealed exquisite detail of the virus assembly process used by herpes simplex virus during replication.

Cell & Microbiology Feb 21, 2025

Water salinity affects diatom structure and metabolism, study shows

Scientists have found that an increase in water salinity in the cells of the marine diatom Nitzschia weakens the connections between the components of the photosynthetic apparatus and disrupts the formation of the cell shell.

Cell & Microbiology Feb 21, 2025

Dual mechanisms found to guard mitochondria against fusion-related damage

Johns Hopkins University School of Medicine researchers have discovered a dual regulatory mechanism safeguarding mitochondrial integrity through the combined actions of Parkin–PINK1 and OMA1. The study reveals that these ...

Analytical Chemistry Feb 14, 2025

Novel catalyst enhances oxygen evolution reaction in acidic conditions to boost green hydrogen production

In a significant advancement for renewable energy technologies, a new catalyst has been developed that dramatically improves the efficiency and stability of the oxygen evolution reaction (OER) in acidic media, a critical ...

Nanophysics Feb 11, 2025

Miniaturization of thin films uncovers 'Goldilocks zone' in relaxor ferroelectrics

A new study led by Rice University materials scientist Lane Martin sheds light on how the extreme miniaturization of thin films affects the behavior of relaxor ferroelectrics—materials with noteworthy energy-conversion properties ...

Paleontology & Fossils Feb 10, 2025

Age and burial environment don't hinder soft tissue preservation in dinosaurs, study suggests

Soft tissue preservation in fossils does not seem to depend upon the species, age or burial environment of the fossils in question, according to new research from North Carolina State University. The work, published in Scientific ...

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