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Organic thin-film sensors for light-source analysis and anti-counterfeiting applications

ScienceDaily   -   General News Websites

A team of physicists and chemists presents an organic thin-film sensor that describes a completely new way of identifying the wavelength of light and achieves a spectral resolution below one nanometer. As integrated components, the thin-film senso...

Sep 6, 2022

Scientists Report No Evidence of Titanium Dioxide Carcinogenic Activity

AZoNano   -   Nanotechnology Websites

Titanium dioxide nanoparticles (TiO2 NPs) have been used in food additives, paints, pharmaceuticals, and cosmetics. Recently, there has been a growing debate on the carcinogenicity of this popularly used nanoparticle. Researchers determined TiO2 N...

Sep 6, 2022

Shining light on why plastics turn yellow

ScienceDaily   -   General News Websites

If you own a retro gaming console or have an old roll of packing tape, you've seen how plastics turn yellow as they age. Though the cause of this color change has long been attributed to the formation of molecules that act as dyes -- the actu...

Sep 6, 2022

Good Biocompatibility for Nanocapsules with Healthcare Applications

AZoNano   -   Nanotechnology Websites

Methacrylate-based materials are often used in bone cement and dental resins. However, they have high failure rates as they undergo damage within ten years, impacting the quality of patient’s life and increasing healthcare costs.

Sep 6, 2022

Shining light on why plastics turn yellow

Phys.org   -   Scientific News Websites

If you own a retro gaming console or have an old roll of packing tape, you've seen how plastics turn yellow as they age. Though the cause of this color change has long been attributed to the formation of molecules that act as dyes—the actual ...

Sep 6, 2022

Seaweed Suggested As Source of Anti-Tuberculosis Nanoparticles

AZoNano   -   Nanotechnology Websites

Tuberculosis (TB) is a bacterial illness transferred by breathing small droplets from an infected person's coughs or sneezes. It mainly affects the lungs, although it may also affect the stomach, glands, bones, and brain system. Silver seawee...

Sep 6, 2022

Researchers develop a process for reversible writing of doping patterns in graphene

Graphene Info   -   Scientific and Educational Websites

Researchers at University of California, Berkeley (UC Berkeley), the Kavli Energy Nanosciences Institute, Beijing Institute of Technology, Shenzhen University and Tsinghua University recently developed a tunable and reversible approach, based on l...

Sep 6, 2022

Liquid cell transmission electron microscopy analysis of semiconductor nanocrystals

Phys.org   -   Scientific News Websites

Semiconductor nanocrystals of different sizes and shapes can govern the optical and electrical properties of materials. Liquid cell transmission electron microscopy (LCTEM) is an emerging method to observe nanoscale chemical transformations and in...

Sep 6, 2022

NASA Engineer's Quantum Dot Instrument Enables Spacecraft-as-Sensor Concept

Technology Org   -   Scientific News Websites

In NASA’s hunt for water and resources beyond Earth, a new technology could coat the “skin” of a satellite, turning its entire surface into a sensor that tallies the chemicals on distant planets.

Sep 6, 2022

Researchers devise tunable conducting edge

University of California, Riverside   -   Organizations and Universities Websites

A research team led by a physicist at the University of California, Riverside, has demonstrated a new magnetized state in a monolayer of tungsten ditelluride, or WTe2, a new quantum material. Called a magnetized or ferromagnetic quantum spin Hall ...

Sep 6, 2022

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