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#chemistry

67 posts65 participants7 posts today
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Brian :python: :flask: :html5:

A wild week of labs ahead.

First year chem is preparing stock solutions from solids to targeted molarity. We'll confirm their actual concentrations with spectrophotometry before doing a dilution to a new molarity and reconfirming.

Second year chem is doing acid/base equilibrium. Today is basics on types of acids/bases and general info on Kw. Then, they're doing a sim calculating pH/pOH. Later this week, we'll do a titration and then make buffer solutions.

#chemistry #teaching
:cupofcoffee:

Public
The Kid Should See This 🌈🪐✨

💁🏻‍♀️ ICYMI: Scientists use magnetic minerals, fossil records, and innovative mapping to reconstruct our planet's 4-billion-year geological #history. You can trace the movement of continents from ancient Pangea to today's landscape, explaining how our world has constantly reshaped itself. 🌎🕰️

👉 Learn more: thekidshouldseethis.com/post/m

#TKSST#africa#animation
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Holle Meding

Tracing Chemical Knowledge Over Centuries with #LLMs 🧪

Diego Alves, Sergei Bagdasarov & Badr M. Abdullah prompted models to generate structured metadata for 47k+ texts from the #RoyalSociety Corpus (1665–1996), enabling large-scale comparison of #Chemistry and #Biology over time.

They tracked how chemical substances migrated between disciplines revealing a "chemicalization" of biology in the 19th century and a long-term trend toward standardization. #OpenScience #DiachronicAnalysis #NLP

Distribution of Scientific Disciplines in Royal Society Articles (1665–1996) - Diego Alves, Sergei Bagdasarov & Badr M. Abdullah
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Andrés Manuel Álvarez

After a long journey, finally, my good friend Sai and coworkers published this amazing work in #NatCommun. 🎉

They can use native functional groups such as alcohols and transform them to the most challenging Z-olefins.

Without the use of a transition metal catalyst, and even working for #DNA 🧬 functionalization!

#chemistry #science #paper #photocatalysis #catalysis #research

nature.com/articles/s41467-025

NaturePhotocatalytic deoxygenative Z-selective olefination of aliphatic alcohols - Nature CommunicationsAlcohols are one of the most abundant functional groups in commercially available materials and biologically active compounds. Here, the authors report a metal-free photocatalytic method for the deoxygenative Z-selective olefination of aliphatic alcohols.
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