Sentences with phrase «on gold nanoparticles»

To improve the technique, they focused on gold nanoparticles — spheres only 20 nanometers in diameter, more than 300 times smaller than a human blood cell.
Single stranded DNA strands on the edges (green) and vertices (red) match up with complementary strands on gold nanoparticles.

Not exact matches

Engineers are working on a way to combine tiny, tiny pieces of gold, called nanoparticles, with an elastic polymer to create a stretchable, conductive material.
Glutathione - capped gold nanoparticles were then adsorbed on hydroxyapatite and glutathione was removed by subsequent calcination.
A landmark experiment on wave interference from the early 1800s is revisited using gold nanoparticles.
When gold nanoparticles combine with red, blue and green glowing proteins, as in this sensor, it's possible to discern drug - induced physical and chemical changes on a cell's surface.
Gold nanoparticles can make the pink «get ready to be a parent» mark on home pregnancy tests much easier to read.
As the potential mother urinates into a sample - collection area and the pee migrates to a test strip, some of the antibody - coated gold nanoparticles on the strip latch onto the hCG, migrate up the paper, and collect at an indicator line.
Naomi Halas and co-workers at Rice University in Houston laced a mixture of water and ethanol with gold — silica nanoparticles and shone laser light on the suspension from above.
The researchers developed a small, breath - diagnostic array based on flexible gold - nanoparticle sensors for use in an «electronic nose.»
In this platform, an aqueous or oil droplet containing gold nanoparticles and captured analytes is allowed to evaporate on a slippery substrate, leading to the formation of a highly compact nanoparticle aggregate for surface enhanced Raman scattering (SERS) detection.
Viewed under an electron microscope, the gold nanoparticles and nanowires appear fused together like berry clusters on a branch.
In a second step, by capitalizing on their expertise in the field of laser ablation, they decorated these graphenated - MWCNT (g - MWCNT) structures with 2 - 3 nm - diameter gold nanoparticles (Au - NP).
Tomorrow's computers will run on light, and gold nanoparticle chains show much promise as light conductors.
The DNA - modified nanoparticlesgold in this case — are positioned on a pre-patterned template made of complementary DNA.
Research conducted at Japan's National Institute for Materials Science built on previous findings that gold nanoparticles can encourage stem cells in the bone marrow to differentiate into bone cells, and that specific biomolecules can inhibit or promote stem cell differentiation.
Researchers report that they can boost the amount of data stored on a disc 10,000-fold by using gold nanoparticles.
In one experiment, they encoded the same sequence on all the octahedron's tethers, and attached strands with a complementary sequence to gold nanoparticles.
The researchers also injected the cell with gold nanoparticles, then trained a laser on them to heat up different parts of the cell.
«New light shed on structure of gold nanoparticles in water.»
A new blood test using gold nanoparticles could soon give oncologists an early and more accurate prognosis of how cancer treatment is progressing and help guide the on - going therapy of patients.
The technique, described in Biomaterials, uses gold nanoparticles and Raman scattering, a technology previously developed by Qian and Nie for cancer cell detection (2007 Nature Biotech paper, 2011 Cancer Research paper on circulating tumor cells).
In this case, the gold nanoparticles are conjugated with antibodies against SSEA - 5 or TRA -1-60, proteins that are found on the surfaces of stem cells.
Gold nanoparticles serve as catalysts for obtaining valuable chemical products based on glycerol.
Research Paper Dual radiosensitization and anti-STAT3 anti-proliferative strategy based on delivery of gold nanoparticle - oligonucleotide nanoconstructs to head and neck cancer cells.
Zheng and colleagues demonstrated their thermo - electric nanotweezers on plasmonic silver and gold nanoparticles.
A team at the University of Leeds has discovered that shaping gold nanoparticles in the form of minuscule tubes sees them take on a number of new properties, including the ability to be heated up to destroy cancer cells.
The technology, described in a paper in the ACS journal Nano Letters, relies on a novel plasmonic photoelectrode architecture of light - activated gold nanoparticles that harvest sunlight to drive photocatalytic reactions by efficient, non-radiative plasmon... Read more →
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