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Nanomaterials Dec 4, 2023

3D models for placing nanoparticles in the palm of your hand

Nanoparticles are super tiny―as small as one nanometer, or one billionth of a meter―and are of keen interest to materials scientists for their unique physical and chemical properties. They cannot be detected by the naked ...

Optics & Photonics Nov 24, 2023

Optical trapping of optical nanoparticles: Fundamentals and applications

A new article published in Opto-Electronic Science reviews the fundamentals and applications of optically trapped optical nanoparticles. Optical nanoparticles are one of the key elements of photonics. They not only allow ...

Bio & Medicine Nov 20, 2023

Gold nanoparticles and light could melt venous malformations away

Venous malformations—tissues made up largely of abnormally shaped veins—are often difficult to treat, especially when located in sensitive areas like the eyes, face, and genitourinary organs. In the worst cases, the lesions ...

Bio & Medicine Nov 17, 2023

Enhancing the antimicrobial activity of silver nanoparticles against pathogens by using tea extracts

Researchers at the Institute of Physical Chemistry of the Polish Academy of Sciences (IPC PAS) have demonstrated that green tea–silver nanoparticles as a powerful tool against pathogens such as bacteria and yeast. Their ...

Nanophysics Nov 15, 2023

Researchers engineer nanoparticles using ion irradiation to advance clean energy, fuel conversion

MIT researchers and colleagues have demonstrated a way to precisely control the size, composition, and other properties of nanoparticles key to the reactions involved in a variety of clean energy and environmental technologies. ...

Bio & Medicine Nov 15, 2023

Researchers develop novel selenium nanoparticles for managing postmenopausal osteoporosis

As the aging population around the world grows, metabolic diseases like osteoporosis are becoming more prevalent and placing a greater burden on health care systems. Rising to this challenge, a research team led by Prof. ...

Bio & Medicine Nov 14, 2023

Lipid nanoparticles that deliver mRNA to T cells hold promise against autoimmune diseases

Autoimmune disorders are among the most prevalent chronic diseases across the globe. Emerging treatments for autoimmune disorders focus on "adoptive cell therapies," or those using cells from a patient's own body to achieve ...

Nanomaterials Nov 9, 2023

Researchers develop cheap and efficient ethanol catalyst from laser-melted nanoparticles

Ethanol fuel cells are regarded as promising sources of green electricity. However, expensive platinum catalysts are used in their production. Research on laser melting of suspensions carried out at the Institute of Nuclear ...

Bio & Medicine Nov 8, 2023

Research team designs injectable nanoparticles that release naloxone when triggered by blue light

By rapidly reversing the effects of an opioid overdose, naloxone saves lives―if it's available at the right time. To eliminate this element of chance, researchers are exploring ways to have the medication available in the ...

Optics & Photonics Oct 30, 2023

High-performance MoS₂-based infrared photodetector induced by the photogating effect

Recently, Professor Qi Weihong of Northwestern Polytechnical University and Academician Liu Weimin of Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, found that nickel nanoparticle-modified defective molybdenum ...

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