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Nanotechnology news
Innovative microscopy reveals amyloid architecture, may give insights into neurodegenerative disease
Amyloid-beta (A-beta) aggregates are tangles of proteins most notably associated with neurodegenerative diseases such as Alzheimer's. Despite its constant stint in the limelight, however, researchers have been unable to get ...
Bio & Medicine
Jul 19, 2024
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56
New nanoparticle delivery method targets sickle cell mutations in bone marrow
Current gene therapies to treat sickle cell disease are complex, time-consuming, and are sometimes linked to serious side effects like infertility or blood cancer. To address these challenges, Johns Hopkins researchers have ...
Bio & Medicine
Jul 19, 2024
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68
New technique to diagnose cancer metastasis uses origami nanoprobes
Johns Hopkins engineers have created a new optical tool that could improve cancer imaging. Their approach, called SPECTRA, uses tiny nanoprobes that light up when they attach to aggressive cancer cells, helping clinicians ...
Bio & Medicine
Jul 18, 2024
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22
Nano-scale materials that mimic enzymes could convert CO₂ into chemical building blocks
Montana State University researcher James Crawford recently published a collaborative paper with the National Renewable Energy Laboratory that marks a step forward in their quest for what he calls a "holy grail" of chemistry: ...
Nanomaterials
Jul 18, 2024
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14
Unlocking the power of nanopores: New design approach scales up opportunities for single-molecule analytics
Transmembrane β-barrel pores (TMBs) are extensively used for single-molecule DNA and RNA sequencing. They enable the miniaturization of a wide array of sensing and sequencing applications into portable USB-size devices and ...
Bio & Medicine
Jul 18, 2024
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103
Nanoscale trilayer exhibits ultrafast charge transfer in semiconductor materials
Successfully innovating optoelectronic semiconductor devices depends a lot on moving charges and excitons—electron-hole pairs—in specified directions for the purpose of creating fuels or electricity.
Nanophysics
Jul 18, 2024
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14
Material with molecular trapdoor holds promise for highly selective gas adsorption
An international team led by scientists at City University of Hong Kong has found a flexible metal-organic framework (MOF) with one-dimensional channels that acts as a "molecular trapdoor" to selectively adsorb gases, such ...
Nanomaterials
Jul 18, 2024
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0
Nanomedicine researchers develop new technology to control neural circuits using magnetic fields
Researchers at the Center for Nanomedicine within the Institute for Basic Science (IBS) and Yonsei University in South Korea have unveiled a technology that can manipulate specific regions of the brain using magnetic fields, ...
Bio & Medicine
Jul 17, 2024
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86
Enzyme-powered 'snot bots' help deliver drugs in sticky situations
Snot might not be the first place you'd expect nanobots to be swimming around. But this slimy secretion exists in more places than just your nose and piles of dirty tissues—it also lines and helps protect the lungs, stomach, ...
Bio & Medicine
Jul 17, 2024
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2
Scientists develop dual-functional, high-efficiency antimicrobial nanozyme
A research team led by Prof. Gao Lizeng from the Institute of Biophysics of the Chinese Academy of Sciences proposed a bactericidal mechanism based on nanozymes that simulate antimicrobial peptides (AMPs) and antimicrobial ...
Bio & Medicine
Jul 17, 2024
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8
Study shows how organic molecules impact gold nanoparticles' electrochemical properties
A new study shows how organic molecules greatly influence the redox potential of gold nanoparticles, with differences up to 71 mV. Using experiments and computer simulations, the study highlights the important role of capping ...
Nanophysics
Jul 17, 2024
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38
Advanced nanofibrous membranes can tackle diabetic wounds with precision
Diabetic wounds are notoriously challenging to treat, due to prolonged inflammation and a high risk of infection. Traditional treatments generally offer only passive protection and fail to dynamically interact with the wound ...
Bio & Medicine
Jul 17, 2024
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Engineered nanovesicles from activated neutrophils show promise in treating infected wounds
Infectious wounds represent a critical challenge in health care, especially for diabetic patients grappling with ineffective antibiotics and escalating drug resistance. Conventional therapies often inadequately address deep ...
Bio & Medicine
Jul 17, 2024
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2
Strategy enhances breakdown strength and polarization in dielectric nanocomposites
Electrostatic capacitors are a key component in high-power pulse equipment, power transmission and transformation engineering, new energy vehicles, and 5G communication. Their capability for ultrafast charging-discharging ...
Nanomaterials
Jul 17, 2024
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0
Researchers achieve unprecedented nanostructuring inside silicon
Silicon, the cornerstone of modern electronics, photovoltaics, and photonics, has traditionally been limited to surface-level nanofabrication due to the challenges posed by existing lithographic techniques. Available methods ...
Nanophysics
Jul 16, 2024
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178
Scientists develop new tool that could lead to noninvasive 'liquid biopsies'
Biopsies are clinical tools commonly used to diagnose a variety of diseases or to monitor tissue for abnormal growth or even rejection of a transplant. During biopsies, tissue samples are removed from the body so they can ...
Bio & Medicine
Jul 16, 2024
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24
Lab develops smallest free-floating bubbles for medical imaging
Bioengineering researchers at Rice University have developed ultrasmall, stable gas-filled protein nanostructures that could revolutionize ultrasound imaging and drug delivery.
Bio & Medicine
Jul 15, 2024
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87
Atomically controlled MXenes enable cost-effective green hydrogen production
A total of 137 countries around the world have signed a "net-zero" climate change agreement to end fossil fuel use and achieve zero carbon emissions by 2050. Hydrogen is being touted as the next green energy source because ...
Nanomaterials
Jul 15, 2024
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17
Atomically thin transducers could one day enable quantum computing at room temperature
Quantum computers have to be kept cold to function—very cold. These machines generally run at "just a few degrees above absolute zero," says Yoseob Yoon, assistant professor of mechanical and industrial engineering at Northeastern ...
Nanophysics
Jul 15, 2024
0
86
Researchers develop library for RNA-based therapeutic approaches with polymer nanoparticles
RNA therapy with polymer nanoparticles is considered a promising approach for the treatment of various illnesses. It involves the use of polymers as "nanocarriers" to transport RNA drugs precisely to the correct target cells. ...
Bio & Medicine
Jul 15, 2024
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New tractor beam technology could one day minimize biopsy trauma
Mantle upwelling may have triggered Morocco earthquake
Chemists develop a stable reagent for carbon-atom transfer
Microfluidic sensors enable real-time detection of multiple heavy metals in water
MicroRNA study sets stage for crop improvements
