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Search results for “Nanotechnology”

1,000+ results for "Nanotechnology"

Tiny bubbles snap carbon nanotubes like twigs

Researchers at Rice University detail the exact mechanism of how carbon nanotubes bend and break when subjected to ultrasonic vibrations in a liquid. The study reveals that long and short nanotubes behave differently, with shorter tubes stretching and longer ones bending before snapping.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJul 9, 2012

How ion bombardment reshapes metal surfaces

Researchers developed a new model to understand collective behavior of defects during ion bombardment, revealing three mechanisms: dual layer formation, subway-glide mode growth, and adatom island eruption. This breakthrough enables predictive design capability for controlling surface patterns and stresses in nanotechnology products.

Good vibrations in fight against cancer

Researchers at Case Western Reserve University have developed a magnetic nanochain delivery system that explodes chemotherapy drugs inside tumors, killing cancer cells more efficiently. The technology reduced tumor growth by up to 90% and increased survival rates in rats with triple-negative breast cancer.

SourceCase Western Reserve University·JournalACS Nano·DateApr 17, 2012

When ions get closer

Researchers discovered a previously unknown phenomenon in quantum plasmas, enabling positively charged particles to form atom-like structures. This discovery accelerates current conduction, potentially revolutionizing nanotechnology and applications such as micro-chips and semiconductors.

SourceRuhr-University Bochum·JournalPhysical Review Letters·DateMar 26, 2012

Influencing stem cell fate

Scientists at Northwestern University developed a powerful analytical method called nanocombinatorics to rapidly identify the chemical and physical structures that cue stem cells to become osteocytes. The researchers successfully directed stem cell differentiation without additional chemical cues, demonstrating better control than curr...

SourceNorthwestern University·JournalProceedings of the National Academy of Sciences·DateMar 6, 2012

Nano-enabled nasal spray for osteoporosis

A nano-enabled intranasal formulation of teriparatide is being developed to treat osteoporosis, with the potential to provide easier administration and enhance efficacy. The project combines Critical Pharmaceuticals' nanotechnology expertise with the University of Nottingham's world-leading research capabilities.

Graphene earns its stripes

Researchers at University College London discovered electronic stripes on graphene sheets, a finding that could revolutionize the exploitation of this material. The discovery was made using a scanning tunneling microscope and found that extra electrons arrange themselves into nanometer-scale stripes spontaneously.

SourceUniversity College London·JournalNature Communications·DateNov 29, 2011

Nano-tech makes medicine greener

Researchers at the University of Copenhagen have developed a nano-tech method to test new medicines in extremely small volumes, allowing for faster and cheaper drug development. The technique uses self-assembling systems made from biological materials, significantly reducing environmental impact.

SourceUniversity of Copenhagen·JournalNature Nanotechnology·DateNov 3, 2011

Rice's Barron wins World Technology Award for Materials

Andrew Barron, Rice University's Charles W. Duncan, Jr. -- Welch Chair of Chemistry, is honored with the prestigious World Technology Award for Materials for his groundbreaking nanotechnology research in energy and health. His work has led to projects involving down-hole sensors, carbon dioxide mitigation, and cancer treatment.

Researchers do precise gene therapy without a needle

Scientists at Ohio State University have created a technique called nanochannel electroporation (NEP) that allows for precise injection of genes and proteins into individual cells. The method uses electrical pulses to deliver therapeutic agents, with potential applications in cancer diagnosis and treatment.

SourceOhio State University·JournalNature Nanotechnology·DateOct 16, 2011

MU researchers unveil new method for detecting lung cancer in Nature article

Researchers at the University of Missouri have developed a nanotechnology sensor that can detect lung cancer in blood plasma with high sensitivity and selectivity. This technology could provide an earlier warning signal, potentially saving lives. The sensor detects changes in a specific microRNA molecule associated with lung cancer.

SourceUniversity of Missouri School of Medicine·JournalNature Nanotechnology·DateSep 15, 2011

Nickel nanoparticles may contribute to lung cancer

New research from Brown University finds that nickel nanoparticles can activate a cellular pathway that contributes to cancer in human lung cells. The study shows that smaller nanoscale particles are more harmful and potentially cancer-causing than larger microscale particles.

SourceBrown University·JournalToxicological Sciences·DateAug 23, 2011

Etch-a-sketch with superconductors

Scientists at University College London and Sapienza University of Rome have developed a method to manipulate high-temperature superconductivity in materials. By illuminating with X-rays, researchers can create and control tiny superconducting structures, enabling the creation of new electronic devices.

SourceUniversity College London·JournalNature Materials·DateAug 22, 2011

Nanotechnology for water filter

Researchers at the University of Vienna have developed a method called "passive sampling" to measure the affinity of contaminants to carbon nanotubes. This method provides reliable results for realistic applications and can remove pollutants from contaminated water, making it a promising technology for water filtration.

SourceUniversity of Vienna·JournalEnvironmental Science & Technology·DateJul 21, 2011