Reposted by Brenna BiermanChemjobber @chemjobber.bsky.social · 01/09/2026Today is a good day to read Barry Sharpless' reminder to wear safety glasses in the chemistry lab #chemsky #chemchat #chemsafety 0276
Reposted by Brenna BiermanNature Portfolio @natureportfolio.nature.com · 20/07/2026Batteries based on sodium ions are entering mass production. Nature reports how some researchers say they could ultimately be a cheaper, safer alternative to lithium in electric cars and other energy applications. 🌎🧪go.nature.comBeyond lithium: how sodium-ion batteries could change the worldBatteries based on sodium ions are entering mass production. Some researchers say they could ultimately be a cheaper, safer alternative to lithium in electric cars and other energy applications. 119868
Reposted by Brenna BiermanPhilip @philiplampkin.bsky.social · 05/06/2026My second-to-last PhD paper is out in JOC, and it's one of my favorites! We looked at how flexible tether composition affects bifunctional catalysis. 🧵 #Chemsky #Catalysis doi.org/10.1021/acs....doi.orgBifunctional Catalysis of a Crossed Aldol Condensation by Diamines: Impact of Tether Composition and LengthThe crossed aldol condensation between hydrocinnamaldehyde and 2,6-dimethoxybenzaldehyde was used to explore bifunctional catalysis by a set of diamines. The catalytic mechanism appears to involve nuc... 232
Reposted by Brenna BiermanNature @nature.com · 02/02/2026Nature research paper: Observation of a superfluid-to-insulator transition of bilayer excitons go.nature.com/4alOEkfgo.nature.comObservation of a superfluid-to-insulator transition of bilayer excitons - NatureTransition of superfluid to insulator is observed in the layer-imbalanced regime of bilayer magnetoexcitons. 0121
Reposted by Brenna BiermanC&EN (Chemical & Engineering News) @cenmag.bsky.social · 17/12/2025Duplicates of crystal structures are flooding databases, implicating repositories hosting organic, inorganic, and computer-generated crystals. The issue raises questions about curation practices at databases and claims around novelty. cen.acs.org/research-int... #chemsky 🧪cen.acs.orgThe duplicates that haunt crystallography databasesResearchers call for retraction of two recent <i>Nature</i> studies about AI-generated crystals 0186
Brenna Bierman @brennabierman.bsky.social · 21/10/2025Our work examining SnxTaSe2 is out in @jacs.acspublications.org! From a single intercalated TMD growth composition, we find unexpected structural diversity that is not captured by common characterization techniques. #chemsky 🧪 pubs.acs.org/doi/10.1021/...pubs.acs.orgSuperconducting Sn-Intercalated TaSe2: Structural Diversity Obscured by Routine Characterization TechniquesUsing Sn-intercalated TaSe2 as a model system, we demonstrate the presence of structural heterogeneity captured by single-crystal X-ray diffraction (SCXRD) and scanning transmission electron microscop... 0191
Reposted by Brenna BiermanNational MagLab @nationalmaglab.bsky.social · 11/09/2025"An outstanding accomplishment": The MagLab sets a new world record. nationalmaglab.org/news-events/... 063
Reposted by Brenna BiermanPhilip @philiplampkin.bsky.social · 05/09/2025My work assessing the effect of preorganization on dihydrazide activity is out in @jacs.acspublications.org. We find that dihydrazides with flexible tethers can replicate much of the catalytic activity of complex dihydrazides with preorganized foldamer scaffolds. #Chemsky doi.org/10.1021/jacs...doi.orgBifunctional Catalysis of Aldol Reactions by Foldamer Dihydrazides: Assessment of Conformational PreorganizationWe previously reported that molecules containing two cyclic hydrazide units connected by a polymethylene linker could catalyze aldol condensations via a bifunctional mechanism. One hydrazide apparentl... 1102
Reposted by Brenna BiermanNature @nature.com · 18/08/2025A key study claiming to provide evidence of Majorana quasiparticles has received an extensive correction five years after it was published go.nature.com/45RK3UEgo.nature.comControversial quantum-computing paper gets hefty correction — but concerns lingerThe journal Science has lifted an expression of concern on a paper claiming evidence of Majorana quasiparticles and added new details. 0103
Reposted by Brenna BiermanPhilip @philiplampkin.bsky.social · 08/07/2025#chemsky, have you used a Wisconsin Photoreactor? I designed them and will soon defend my PhD. I’d like to include photos of Wisconsin Photoreactors in use by other chemists in my defense. Please share (reply to this post or DM me) a photo of your photoreactor in action! doi.org/10.1021/acs....doi.orgVersatile Open-Source Photoreactor Architecture for Photocatalysis Across the Visible SpectrumAdoption of commercial photoreactors as standards for photocatalysis research could be limited by high cost. We report the development of the Wisconsin Photoreactor Platform (WPP), an open-source phot... 13822
Brenna Bierman @brennabierman.bsky.social · 13/03/2025Our work on 2M-WSe2 is out now in Adv. Funct. Mater.! doi.org/10.1002/adfm...doi.orgEvidence for Topological States and a Lifshitz Transition in Metastable 2M‐WSe2This study demonstrates the Fermi surface characteristics and transport properties of 2M-WSe2 bulk single crystals. The measurements and first-principles calculations reveal multiple Fermi pockets wi... 071
Reposted by Brenna BiermanPhilip @philiplampkin.bsky.social · 15/01/2025My work on bifunctional organocatalysis of aldol reactions by flexible dihydrazides is out in JACS (@pubs.acs.org). I find that hydrazide units connected by long, flexible linkers offer significant rate enhancement relative to monohydrazides. doi.org/10.1021/jacs... #ChemSkydoi.orgDual Activation Modes Enable Bifunctional Catalysis of Aldol Reactions by Flexible DihydrazidesHydrazides are known to catalyze reactions of α,β-unsaturated aldehydes via transient iminium formation. The iminium intermediate displays enhanced electrophilicity, which facilitates conjugate additi... 161