Gold Nanoparticles News and Research

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Gold nanoparticles are made up of metallic gold atoms to create a crystal structure of 1-100 nm.

Implantable sensor based on gold nanoparticles revolutionizes medical diagnostics

The idea of implantable sensors that continuously transmit information on vital values and concentrations of substances or drugs in the body has fascinated physicians and scientists for a long time. Such sensors enable the constant monitoring of disease progression and therapeutic success.

6 Apr 2021

Scientists use specially designed gold nanoparticles to 'seek out' bone stem cells

Researchers at the University of Southampton have developed a new way of using nanomaterials to identify and enrich skeletal stem cells - a discovery which could eventually lead to new treatments for major bone fractures and the repair of lost or damaged bone.

29 Mar 2021

Highly sensitive DNA nanosensor can accurately detect lethal superbugs

The persistent overuse of antibiotics has led to the evolution of antibiotic resistant pathogens, or “superbugs,” which can cause severe life-threatening infections that must be diagnosed and treated early on.

23 Mar 2021

Researchers explore nanotechnology’s potential to deliver synergistic therapeutics for COVID-19

A team of scientists reviewed the nanoencapsulation approaches of synergistic compounds (Lectins, Caffeine, Cocoa, Flavonoids, Quercetin) and the role of nanotechnology in addressing the COVID-19 pandemic.

19 Mar 2021

Study investigates activity of enzymes immobilized on gold nanoparticles controlled by infrared laser irradiation

The activity of enzymes in industrial processes, laboratories, and living beings can be remotely controlled using light. This requires their immobilization on the surface of nanoparticles and irradiation with a laser. Near-infrared light can penetrate living tissue without damaging it.

17 Mar 2021

The role of nanotechnology in the fight against COVID-19

Appearing in the journal Nanomedicine, the review summarized all the exciting advances made using diverse nanomaterials (polymeric, inorganic self-assembling materials and peptide-based) towards COVID-19 prevention, diagnosis and therapy.

15 Mar 2021

Simple blood test using nanoparticles could enable earlier detection of acute liver damage

University of Texas at Dallas chemist Dr. Jie Zheng has spent much of his career investigating gold nanoparticles for their potential impact in the field of nanomedicine.

10 Mar 2021

New biosensor measures extracellular hydrogen peroxide levels with nanometer-resolution

Several processes in the human body are regulated by biochemical reactions involving hydrogen peroxide (H2O2).

8 Mar 2021

Gold nanocomposite contact lenses for correcting color blindness

Imagine seeing the world in muted shades -- gray sky, gray grass. Some people with color blindness see everything this way, though most can't see specific colors.

3 Mar 2021

Novel single-particle digital assay using plasmonic nanobubbles

An interdisciplinary team from the University of Texas applied DIAMOND to the respiratory syncytial virus (RSV) diagnostics and demonstrated that DIAMOND is 150 times more sensitive than commercial lateral flow assays. They found that the measurements are completed within 2 minutes. The results of this study are published on the medRxiv* preprint server.

25 Feb 2021

Gold nanoparticles investigated as part of in vitro tool for SARS-CoV-2 drug screening

Scientists have measured the interaction of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike (S) protein with nano-gold colloids. These nanoparticles functionalized with the S protein have different spectroscopic signals allowing for new information about the protein to be extracted.

21 Feb 2021

COVID-19 pandemic and nanotechnology

Writing in the International Journal of Nanomedicine, Professor Dongki Yang, from the Department of Physiology, Gachon University, South Korea, has reviewed the available knowledge on the coronaviruses, current approaches to tackle the newly emerged SARS-CoV-2 infection, and the innovative application of nanotechnology in the COVID-19 pandemic.

8 Feb 2021

Rapid SARS-CoV-2 antigen test improved with silver amplification

A new preprint posted to the medRxiv server describes the use of silver amplification technology to develop a sensitive, rapid antigen test for COVID-19.

2 Feb 2021

New gold-nanoparticle probes for target identification of bioactive small molecules

The development of pharmaceutical treatments is difficult -- clinicians and researchers know a certain drug can regulate particular functions, but they might not know how it actually works.

1 Feb 2021

Paper-based electrochemical sensor can enable rapid detection of SARS-CoV-2

As the COVID-19 pandemic continues to spread across the world, testing remains a key strategy for tracking and containing the virus.

7 Dec 2020

Raman microscopy-based approach uses gold nanoparticles for visualizing small-molecule drugs

Successful drug development has a significant impact on people's quality of life worldwide. Being able to track how molecules get into target cells, and observing what they do when they are inside, is key to identifying the best candidates.

18 Nov 2020

Rapid SARS‐CoV‐2 IgM‐IgG combined antibody test

A recent study published on the preprint server medRxiv in October 2020 reports a new diagnostic test for SARS-CoV-2 based on the detection of antibodies.

15 Oct 2020

Engineers invent plant-based spray that could be used in N95 mask filters

Engineers have invented a way to spray extremely thin wires made of a plant-based material that could be used in N95 mask filters, devices that harvest energy for electricity, and potentially the creation of human organs.

7 Oct 2020

Study demonstrates new method to synthesize gold nanoparticles in cancer cells

Dipanjan Pan, professor of chemical, biochemical, and environmental engineering at UMBC, and collaborators published a seminal study in Nature Communications that demonstrates for the first time a method of biosynthesizing plasmonic gold nanoparticles within cancer cells, without the need for conventional bench-top lab methods.

12 Sep 2020

New prototype device non-invasively detects COVID-19 in exhaled breath of infected patients

Few people who have undergone nasopharyngeal swabs for coronavirus testing would describe it as a pleasant experience.

20 Aug 2020