A silica nanostructure with chemo-enzymatic compartmentalization
As COVID-19 vaccinations are well underway, people await a return to normal life. However, fears also grow due to unforeseen side effects like the rare thrombosis. In the body, life is maintained by the movement of substances or energy. Chemical reac.....»»
Novel flame aerosol system excels at creating nanoparticles
Since prehistoric times, humans have used fire to transform raw materials into valuable goods. Examples include using flames to turn clay into pottery, and silica into glass......»»
Advances in nanostructure fabrication: Laser direct writing on Au nanofilm
A research team led by Xuesong Mei and Jianlei Cui from Xi'an Jiaotong University has made significant progress in the field of nanotechnology. They have successfully achieved the direct writing of nanostructures on Au nano-film using a nanosecond-la.....»»
Advancing synthetic Ephedra-type alkaloids with a two-step enzymatic approach
Ephedra-type alkaloids, a class of naturally occurring compounds derived from plants in the genus Ephedra, have long held interest in the pharmaceutical industry due to their stimulant and airway widening effects. These alkaloids are used for the tre.....»»
Radiation should be able to deflect asteroids as large as 4 km across
Researchers blast silica with an intense X-ray burst, watch it evaporate. Enlarge / Sandia National Labs' Z machine in action. (credit: Randy Montoya) The old joke about the dinosaurs going extinct because they didn't ha.....»»
Experimental nanomedicine delivers chemo drugs directly to tumors in mice
Researchers at the University of Chicago Medicine Comprehensive Cancer Center have developed a nanomedicine that increases the penetration and accumulation of chemotherapy drugs in tumor tissues and effectively kills cancer cells in mice......»»
Metasurfaces: Tiny tech with big potential
Imagine manipulating light with ultra-thin, flat sheets instead of bulky lenses and mirrors. That's the promise of metasurfaces, a nanostructure technology that can twist and bend light in ways never before possible......»»
Illuminating the unavoidable imperfections of nanostructures
A new study by a collaborative team from the University of Twente and the e-Science Center in Amsterdam compares the transmission of light through a utopian model with a real 3D nanostructure. These nanostructures are integral to our daily technologi.....»»
Novel silica nonwoven fabric scaffold enhances understanding of cell-to-cell interactions
Communication and coordination among different cells are fundamental aspects that regulate many functions in our body. This process, known as paracrine signaling, involves the release of signaling molecules by a cell into its extracellular matrix (EC.....»»
Plant-microbe interactions underpin contrasting enzymatic responses to wetland drainage
Researchers led by Professor Feng Xiaojuan from the Institute of Botany of the Chinese Academy of Sciences (IBCAS) have analyzed the divergent responses of carbon-degrading enzymes to wetland drainage and found that enzymatic response to long-term dr.....»»
Precise stirring conditions key to optimizing nanostructure synthesis
Stirring allows for homogenization and efficient gas exchange—this fact has been known for decades. Controlling the stirring rate during the nanocluster synthesis is pivotal in achieving nanostructures with well-defined sizes, structures, optical p.....»»
A better way to make RNA drugs: Enzymatic synthesis method expands capabilities while eliminating toxic byproducts
While the COVID-19 vaccines introduced many people to RNA-based medicines, RNA oligonucleotides have already been on the market for years to treat diseases like Duchenne Muscular Dystrophy and amyloidosis. RNA therapies offer many advantages over tra.....»»
Researchers explain the imaging mechanisms of atomic force microscopy in 3D
Researchers at Nano Life Science Institute (WPI-NanoLSI), Kanazawa University report the 3D imaging of a suspended nanostructure. The technique used is an extension of atomic force microscopy and is a promising approach for visualizing various 3D bio.....»»
A thousand times smaller than a grain of sand—glass sensors 3D-printed on optical fiber
In a first for communications, researchers in Sweden 3D printed silica glass micro-optics on the tips of optic fibers—surfaces as small as the cross section of a human hair. The advance could enable faster internet and improved connectivity, as wel.....»»
Nanofibers rid water of hazardous dyes: Researchers develop efficient filters based on cellulose waste
Using waste to purify water may sound counterintuitive. But at TU Wien, this is exactly what has now been achieved. Researchers have developed a special nanostructure to filter a widespread class of harmful dyes from water......»»
A new method for enzymatic synthesis of potential RNA therapeutics
A team of researchers at IOCB Prague led by Prof. Michal Hocek has developed a novel method for preparing ribonucleic acid (RNA) containing modified bases. Innovative use of engineered DNA polymerases, enzymes commonly used for the synthesis of DNA,.....»»
Scientists explore the strategies of defects and nanostructure fabrication for promoting piezocatalytic activity
As an important chemical raw material, hydrogen peroxide (H2O2) is widely applied in various aspects of industry and life. The industrial anthraquinone method for H2O2 production has the serious flaws, such as high pollution and energy consumption. B.....»»
Novel silica-based adsorbent helps selective separation of strontium
Prof. Huang Qunying's team from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, in collaboration with Prof. Ning Shunyan's team from South China University, developed a novel silica-based adsorbent for the highly selectiv.....»»
Scientists reveal molecular mysteries to control silica scaling in water treatment
Collaborative research that combined experiments at Yale University and molecular dynamics simulations at the Department of Energy's Oak Ridge National Laboratory provides new insights into solving a major technical obstacle to efficient and sustaina.....»»
Breakthrough in nanostructure technology for real-time color display
A technology that enables the real-time display of colors and shapes through changes in nanostructures has been developed by Professor Kang Hee Ku and her team in the School of Energy and Chemical Engineering at UNIST. The technology has the potentia.....»»
Investigating cell killers: An advanced system for size-dependent cytotoxicity analysis of silica
Metal nanomaterials have become an indispensable part of industrial and medical fields due to their unique and versatile properties. Their size, which imparts them with the desired physiochemical properties, is also the reason for environmental and h.....»»