nanotechnology

Recent research indicates that controlled inhalation of ultra-pure graphene oxide does not have short-term adverse effects on human lung or cardiovascular health, marking a significant step in safely harnessing graphene’s potential for various applications. Credit: SciTechDaily.comA revolutionary nanomaterial with huge potential to tackle multiple global challenges could be developed further without acute risk to human health, research suggests.A revolutionary nanomaterial with huge potential to tackle multiple global…

By Holly Evarts, Columbia University School of Engineering and Applied Science February 16, 2024Illustration showing exosomes (blue) deliver IL-12 mRNA to lung cancer cells (brown). Credit: Cheng Lab/Columbia EngineeringColumbia Biomedical Engineer Ke Cheng has developed a technique that uses inhalation of exosomes, or nanobubbles, to directly deliver IL-12 mRNA to the lungs of mice.Lung cancer is one of the most common cancers and has one of the lowest survival rates in the world. Cytokines, which are small signaling…

Innovative silicon spikes developed by URV and RMIT University effectively neutralize 96% of viruses, promising safer laboratory and healthcare settings. The image shows a virus on a nanostructured surface. Credit: ACS NanoAn international research project in which the URV has taken part has designed and manufactured a surface that has virucidal properties but does not use any chemicals.A team of researchers from the URV and RMIT University (Australia) has designed and manufactured a surface that uses mechanical means to…

Scientists have developed Subak, a cost-effective tool for detecting nuclease digestion. This breakthrough technology uses fluorescent silver nanoclusters to signal enzyme activity, offering a simpler and cheaper alternative to traditional FRET probes. With each Subak reporter costing just $1 to produce, this innovation promises to significantly lower the costs of nucleic acid sensing applications, including COVID-19 testing. Credit: SciTechDaily.comResearchers introduce Subak, an affordable nanotechnology-based tool for…

By replacing the atoms on one side of the nanosheet with a different element, the team has realized a nanosheet that can spontaneously roll into a scroll when detached from its substrate. Credit: Tokyo Metropolitan UniversityJanus nanosheets bring unprecedented control to preparation of nanoscrolls.Researchers from Tokyo Metropolitan University have come up with a new way of rolling atomically thin sheets of atoms into “nanoscrolls.” Their unique approach uses transition metal dichalcogenide sheets with a different…

Schematic illustration showing the role of GQDs, derived from erythrocyte membranes, as peroxidase–mimic enzyme for tumor catalytic therapy. Credit: FHIPSA team led by Professor Wang Hui at the Hefei Institutes of Physical Science, part of the Chinese Academy of Sciences, has developed a metal-free nanozyme using graphene quantum dots (GQDs). This innovation is aimed at enhancing the effectiveness of tumor chemodynamic therapy (CDT).The study was published in the journal Matter.GQDs represent a promising and…

Recent research challenges the conventional division between ‘thinking’ and ‘doing’ molecules within cells, showing that structural ‘muscle’ molecules can also process information and make decisions through nucleation. This discovery, highlighting a dual role for these molecules, could lead to more efficient cellular processes and has broad implications for understanding computation in biological systems. Credit: Olivier Wyatt, HEADQUARTER, 2023 https://headquarter.paris/We tend to separate the brain and muscle – the…

Researchers from Kyushu University and Nitto Denko have developed tape that changes its ‘stickiness’ to 2D materials due to UV light. Credit: Ago Lab, Kyushu UniversityResearchers create UV-sensitive tape that can transfer 2D materials like graphene in an easier, cheaper, and less damaging way.Materials just atoms in thickness, known as two-dimensional (2D) materials, are set to revolutionize future technology, including in the electronics industry. However, the commercialization of devices that contain 2D materials has…

Georgia Tech researchers have innovated a cost-effective and rapid method for printing nano-sized metal structures, using light-based technology that could revolutionize nanoscale 3D printing. (Art concept.) Credit: SciTechDaily.comTheir technique could transform a scientific field reliant on cost-prohibitive technology.Researchers at the Georgia Institute of Technology have developed a light-based means of printing nano-sized metal structures that is significantly faster and cheaper than any technology currently…

Above is a graphic displaying optical thermometry based on LIR of Yb,Ho:GYTO single crystal. Credit: Chuancheng Zhang, Shoujun Ding, Miaomiao Wang, Hao Ren, Xubing Tang, Yong Zou, Renqin Dou & Wenpeng LiuOptical thermometry utilizing upconversion (UC) luminescence from lanthanides offers both high sensitivity and swift response times. This technique is grounded in the principle of UC luminescence, a process where low-energy photons (in the near-infrared, NIR spectrum) are transformed into high-energy photons (in the…