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Search results for gold nanoparticles

Bio & Medicine Jun 20, 2023

Researchers develop first-of-its-kind adhesive bandage that uses gold nanoparticles to detect COVID-19 antibodies

Researchers at NYU Abu Dhabi have developed a new rapid testing method for COVID-19—an adhesive bandage that relies on gold nanoparticles to quickly detect the immune antibodies in the bloodstream.

Earth Sciences Jun 12, 2023

Study describes the melting of gold nanoparticles in gold-bearing fluids in the Earth's crust

Gold is a precious metal that has always fascinated humans. From Priam's Treasure to the legend of El Dorado, gold—regarded as the noblest of metals—has been a symbol of splendor and wealth in many civilizations. Historically, ...

Nanomaterials Jun 6, 2023

Tiny gold particles can help harness energy from the sun to break down pollution

When organic pollutants such as dyes, agricultural chemicals, and pharmaceuticals enter waterways all around the world, they can harm the environment and human health—and removing them can be incredibly difficult.

Nanomaterials Jun 5, 2023

Team creates low-cost, 3D-printed water pollution sensor

A new form of low-cost, 3D-printed water pollution sensor could make a splash in the world of environmental monitoring, its developers say.

Bio & Medicine Apr 26, 2023

Going for gold: Nanotech design opens door to new cancer treatments

To develop cancer drugs, researchers often have to make tough trade-offs. Most drugs potent enough to kill tumors also cause unpleasant side effects—and may end up doing more harm than good. Now, researchers and clinicians ...

Bio & Medicine Apr 18, 2023

First rapid test for mpox developed, can be adapted for other emerging diseases

The first rapid test for mpox, more commonly known as monkeypox, has been developed by a team of researchers led by Penn State. The selective molecular sensor can detect the virus within minutes, without the use of any high-end ...

Bio & Medicine Apr 18, 2023

Researchers develop new test for detecting cancer biomarkers

When doctors are examining suspected cancer cases, they turn to biomarker tests to help make a diagnosis.

Bio & Medicine Apr 17, 2023

Correlative light electron microscopy using gold nanoparticles as single probes

Correlative light electron microscopy (CLEM) is a powerful tool in bioimaging, as it combines the ability to image living cells over large fields of view with molecular specificity using light microscopy (LM) with the high ...

Biotechnology Apr 11, 2023

New imaging method enables pollution monitoring through precise detection of gold nanoparticles in woodlice

The woodlouse goes by many names: roly-poly, pill bug, potato bug, tomato bug, butchy boy, cheesy bob and chiggy pig, to name just a few. It is best known for contracting into a ball when agitated. This crustacean (yes, it's ...

Optics & Photonics Apr 4, 2023

Hot electron electrochemistry with ultrafast laser pulses

Laser-induced electrochemical deposition of metals on metals relies possibly on thermal and defect generation effects. When semiconductor substrates are chosen, locally photogenerated electrons can reduce metal ions resulting ...

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