Materials Science – Page 30 – En.BuradaBiliyorum.Com

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#Scientists propose strategy for site-selective chiral drug synthesis in living systems

Admin6 years ago05 mins

“#Scientists propose strategy for site-selective chiral drug synthesis in living systems” Credit: CC0 Public Domain Enantioselectivity plays an important role in the pharmacological and toxicological processes of chiral drugs. In chiral drug synthesis that uses bio-orthogonal chemistry within complex biological milieu, asymmetric transfer hydrogenation (ATH), which utilizes safe hydrogen donors instead of high pressure H2,…

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#From the lab, the first cartilage-mimicking gel that’s strong enough for knees

Admin6 years ago08 mins

“#From the lab, the first cartilage-mimicking gel that’s strong enough for knees” Duke researchers have developed the first gel-based synthetic cartilage with the strength of the real thing. A quarter-sized disc of the material can withstand the weight of a 100-pound kettlebell without tearing or losing its shape. Credit: Feichen Yang. The thin, slippery layer…

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#Chemistry paves the way for improved electronic materials

Admin6 years ago08 mins

“#Chemistry paves the way for improved electronic materials” A thin layer of indium nitride on silicon carbide, created using the molecule developed by researchers at Linköping University, Sweden. Credit: Magnus Johansson/Linköping University Indium nitride is a promising material for use in electronics, but difficult to manufacture. Scientists at Linköping University, Sweden, have developed a new…

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#Cellulose for manufacturing advanced materials

Admin6 years ago010 mins

“#Cellulose for manufacturing advanced materials” Erlantz Lizundia–Fernandez. Credit: UPV/EHU. The last decade has seen an increase in scientific publications and patents on cellulose, the most abundant natural polymer. By reviewing these papers, a researcher in the UPV/EHU’s Department of Graphic Design and Engineering Projects has explored the level of development of nanohybrid materials made from…

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#Using mass spectrometry to isolate guanine-rich DNA ions

Admin6 years ago05 mins

“#Using mass spectrometry to isolate guanine-rich DNA ions” Experimental setup for generating circularly polarized laser pulses. Also shown is the typical mass spectrum after isolation of D-[(dTGGGGT)4•(NH4 )3]5– ions and irradiation with left circularly polarized (LCP) light at 260 nm. See supplementary materials for setup details. Credit: Science (2020). DOI: 10.1126/science.abb1822 A team of researchers…

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#Alternative to nitrogen: Oxygen plasma can improve the properties of electrode materials

Admin6 years ago05 mins

“#Alternative to nitrogen: Oxygen plasma can improve the properties of electrode materials” SEM image of Carbon NanoWalls (CNW), a possible position of oxygen and nitrogen heteroatoms, cyclic voltammetry curves in acidic electrolyte. Credit: Skolkovo Institute of Science and Technology A group of scientists from Skoltech and Lomonosov Moscow State University (MSU) showed that nitrogen is…

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#Using a porous porphyrin to reclaim precious metals from electronic waste

Admin6 years ago05 mins

“#Using a porous porphyrin to reclaim precious metals from electronic waste” Porous porphyrin polymer (COP-180) can extract gold from a computer circuit board and produce pure gold nuggets. Credit: Yeongran Hong An international team of researchers has used a porous porphyrin to create a sorbent that can be used to reclaim precious metals from electronic…

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#Evergreen idea turns biomass DNA into degradable materials

Admin6 years ago09 mins

“#Evergreen idea turns biomass DNA into degradable materials” Credit: CC0 Public Domain DNA has a lot of handy uses. It stores the blueprint of genetic code. It helps usher along the evolution of species. It could also potentially make a stronger, more sustainable spoon, among other things. A Cornell-led collaboration is turning DNA from organic…

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#How to prolong shelf life and avoid food waste

Admin6 years ago06 mins

“#How to prolong shelf life and avoid food waste” Credit: MIA Studio, Shutterstock About a third of all food produced for human consumption is lost or wasted globally each year, according to a report by the Food and Agricultural Organization of the United Nations. In the EU, this amount is about 20% of the total…

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#Every moment of ultrafast chemical bonding captured on film

Admin6 years ago014 mins

“#Every moment of ultrafast chemical bonding captured on film” The bond formation reaction in a gold trimer complex is initiated by a laser pulse, and a three-dimensional structure after a certain time delay is detected by an x-ray scattering image. Credit: IBS Targeted cancer drugs work by striking a tight bond between cancer cells and…