Advanced imaging has revealed how a membrane protein’s unique structure enables a bacterial predator to attack and consume other microbes. The researchers behind the work say that the findings could inspire new ways to target harmful bacteria,…
Category: 6. Chemistry
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UK government launches plan to reduce fipronil and imidacloprid pesticide pollution from pet flea treatments in rivers
The UK government has unveiled plans to address the presence of pesticides, originating in pet treatments for fleas and ticks, in waterways across the UK.
The initiative focuses on two pesticides – fipronil and imidacloprid – which are…
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atomic weights of most chemical elements aren’t constant Iupac
Last year, the International Union of Pure and Applied Chemistry (Iupac) revised the atomic weights of gadolinium, lutetium and zirconium. Gadolinium’s standard atomic weight changed from 157.250 to 157.249; lutetium’s went from 174.9668 to…
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Atomic weights on the periodic table aren’t fixed constants – they’re regularly updated to reflect isotopic discoveries
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Atomic weights are not fixed: Contrary to popular belief, atomic weights on the periodic table are not constants. They are regularly updated by Iupac’s Commission on Isotopic Abundances and Atomic Weights to reflect the…
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Decades of chemistry rewritten: A textbook reaction just flipped
Speeding up chemical reactions is key to improving industrial processes or mitigating unwanted or harmful waste. Realizing these improvements requires that chemists design around documented reaction pathways. Now, a team of Penn State researchers…
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Pharmacokinetic, toxicological, and molecular interaction assessment of ginger-derived phenolics for SARS-CoV-2 main protease Inhibition
Quantum chemical calculations
To gain deeper insights into the electronic properties and structural stability of the ginger-derived phenolic compounds (gingerol, paradol, and shogaol), quantum chemical calculations were conducted using density…
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Optimization of modified bentonite mycotoxin binders for enhanced adsorption efficiency under simulated gastric and intestinal conditions
Characterization of toxin binders
FT-IR spectrum
The FT-IR spectrum of modified bentonite is shown in Fig. 2a. O–H stretching vibrations appear in the range of 3200–3700 cm⁻¹, and Si–O stretching vibrations as well as O–H bending…
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Effects of Scutellaria baicalensis, Folium Artemisiae argyi, and Galla Chinensis on the protein expression and resistance genes of Exiguobacterium sp. in response to gentamicin
Changes of the protein concentration
The changes of the protein concentration for Exiguobacterium sp. are showed in Fig. 1. as can be seen in Fig. 1, under the influence of gentamicin, the protein concentration of normal Exiguobacterium sp.…
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Millipede Molecules Scramble Ants – And Might Help Heal the Human Brain
Hidden beneath the forest floor, the humble millipede may hold the key to treating pain and neurological diseases. Scientists at Virginia Tech have uncovered a new family of complex molecules in the secretions of a native millipede species. These…
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One step hydrothermal synthesis of magnetically separable rGO supported Fe₃O₄ and Ag nanoparticles for adsorption and reduction of organic pollutants
Characterization of nanocomposite
Multiple analytical techniques were utilized to characterize the structural, morphological, magnetic, and electronic properties of the synthesized materials.
XRD analysis
The phase composition of GO and other…
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