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Search results for gold nanoparticles

Bio & Medicine Dec 16, 2019

What happens to gold nanoparticles in cells?

Gold nanoparticles, which are supposed to be stable in biological environments, can be degraded inside cells. This research, conducted by teams from the CNRS, l'Université de Paris, Sorbonne Université, and l'Université ...

Biochemistry Dec 9, 2019

Speedy and precise multicolor imaging of biomolecules now possible

For the first time, researchers can track biological molecules with unprecedented speed and precision thanks to the use of multi-metallic nanoparticles.

Bio & Medicine Nov 25, 2019

Determining topographical radiation dose profiles using gel nanosensors

The routine measurement of radiation doses can be clinically challenging due to limitations with conventional dosimeters used to measure the dose uptake of external ionizing radiation. In a new study, Karthik Pushpavanam ...

Nanophysics Nov 13, 2019

Light at the end of the nanotunnel for future catalysts

Using a new type of nanoreactor, researchers at Chalmers University of Technology, Sweden, have mapped catalytic reactions on individual metallic nanoparticles. Their work could improve chemical processes, and lead to better ...

Bio & Medicine Oct 28, 2019

Gold-DNA nanosunflowers for efficient gene silencing and controlled transformation

Developing an efficient delivery system for enhanced and controlled gene interference-based therapeutics is an existing challenge in molecular biology. The advancing field of nanotechnology can provide an effective, cross-disciplinary ...

Bio & Medicine Oct 16, 2019

Nanomesh drug delivery provides hope against global antibiotic resistance

The fight against global antibiotic resistance has taken a major step forward with scientists discovering a concept for fabricating nanomeshes as an effective drug delivery system for antibiotics.

Nanomaterials Oct 15, 2019

Overlap allows nanoparticles to enhance light-based detection

Rice University scientists have found revealing information where light from a molecule meets light from a nanoparticle.

Nanophysics Oct 2, 2019

Quantizing single-molecule surface enhanced Raman Scattering with DNA origami metamolecules

Tailored metal nanoclusters can be actively developed in the lab to manipulate light at the subwavelength scale for nanophotonic applications. However, their precise molecular arrangement in a hotspot with fixed numbers and ...

Nanomaterials Oct 1, 2019

Product authentication at your fingertips

Imagine if water vapor in your breath or surrounding your fingertips revealed invisible patterns on commercial products—smartphones, laptops, expensive liquor—that verified the products' authenticity and aided anticounterfeiting ...

Materials Science Sep 26, 2019

Scientists disentangle protein-nanoparticle interactions, suggest path to drug-sensing tool

It's always good when your intuition turns out to be right, but scientists at Rice University studying proteins and particles were more "right" than they expected.

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