General methods and materials
Reagents for synthesis were purchased from Sigma-Aldrich and Ambeed. All reagents for maintaining the cells culture were obtained from ThermoFisher. PC3 and MCF-7 cell lines were obtained from ATCC, while cells of the…
Category: 6. Chemistry
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Using sound to ‘see’ unexploded munitions on the seafloor
More than 400 underwater sites in the United States are potentially contaminated with unexploded ordnance (UXO) — weapons that did not explode upon deployment, which continue to pose a safety concern.
Connor Hodges, a doctoral student at the…
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Trade deals stave off Trump’s tariffs temporarily | Business
The Trump administration in the US has sketched out a trade deal with China that reduces tariffs on both sides. This follows on from a general agreement with the UK on trade on 8 May. Full details have yet to be negotiated but industry has…
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Cerium Glows Yellow: Chemists Teach Rare Earth Elements New Tricks
Scientists have developed a method to alter the color and brightness of rare earth element luminescence by changing their chemical environment, enabling the design of advanced light-emitting materials. Researchers at HSE University and the…
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PFAS regulations for US drinking water are being dismantled after just a year | News
The Trump administration has rolled back the US’s first legally enforceable national drinking water limits for six per- and polyfluoroalkyl substances (PFAS), which were established in April 2024 under former President Biden. An outcry followed…
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Recycling Breakthrough Turns “Forever Chemicals” Into Renewable Resources
Scientists at the University of Leicester have developed a technique that uses soundwaves to separate materials in fuel cells within seconds. A new technique that uses sound waves to separate materials for recycling could help prevent harmful…
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MRI Gets a Nano-Sized Upgrade – Chemistry | Weizmann Wonder Wander
Conventional MRI scans, familiar to us from hospitals, have a resolution of around one-tenth of a millimeter, which allows them to image incredibly thin slices of our bodies, from head to toe, helping physicians diagnose a variety of medical…
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3D printing deep in the body using ultrasound could deliver drugs, heal wounds | Research
Ultrasound has been used to print polymers deep inside the body without damaging surrounding tissue. The protocol, which was demonstrated in animals, could have multiple applications such as drug delivery and wound healing.
3D printing has…
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Star polylactide and its stereocomplex blends with enhanced heat stability triggered by microwave heating for degradable packaging
Synthesis and chemical structures of StarPDLA
The chemical structures and molecular weight of the samples are characterized1H-NMR spectra of l-PLLA, P4, and starPDLA are compared in Fig. 2. The signal of P4 was observed at 3.37 ppm (Ha′),…
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Molecular structure characteristics and pyrolytic volatiles of hydrosoluble colored fractions from three melanoidins
Isolation of hydrosoluble colored fractions
Firstly, three melanoidins were prepared from three Maillard reaction models (glycine/glucose: Gly–Glc; proline/glucose: Pro–Glc; phenylalanine/glucose: Phe–Glc), and four primary isolated fractions…
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