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Brenna Bierman

@brennabierman.bsky.social
243 followers 290 following 5 posts

Graduate student in the Rhodes Lab at UW-Madison, materials chemistry

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Reposted by Brenna Bierman
Chemjobber @chemjobber.bsky.social · 01/09/2026
Today is a good day to read Barry Sharpless' reminder to wear safety glasses in the chemistry lab #chemsky #chemchat #chemsafety
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Reposted by Brenna Bierman
Nature Portfolio @natureportfolio.nature.com · 20/07/2026
Batteries 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.com
Beyond lithium: how sodium-ion batteries could change the world
Batteries 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.
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Reposted by Brenna Bierman
Philip @philiplampkin.bsky.social · 05/06/2026
My 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.org
Bifunctional Catalysis of a Crossed Aldol Condensation by Diamines: Impact of Tether Composition and Length
The 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...
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Reposted by Brenna Bierman
Nature @nature.com · 02/02/2026
Nature research paper: Observation of a superfluid-to-insulator transition of bilayer excitons go.nature.com/4alOEkf
go.nature.com
Observation of a superfluid-to-insulator transition of bilayer excitons - Nature
Transition of superfluid to insulator is observed in the layer-imbalanced regime of bilayer magnetoexcitons.
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Reposted by Brenna Bierman
C&EN (Chemical & Engineering News) @cenmag.bsky.social · 17/12/2025
Duplicates 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.org
The duplicates that haunt crystallography databases
Researchers call for retraction of two recent <i>Nature</i> studies about AI-generated crystals
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Brenna Bierman @brennabierman.bsky.social · 10/12/2025
YSR!
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Brenna Bierman @brennabierman.bsky.social · 21/10/2025
Our 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.org
Superconducting Sn-Intercalated TaSe2: Structural Diversity Obscured by Routine Characterization Techniques
Using 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...
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Reposted by Brenna Bierman
National MagLab @nationalmaglab.bsky.social · 11/09/2025
"An outstanding accomplishment": The MagLab sets a new world record. nationalmaglab.org/news-events/...
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Reposted by Brenna Bierman
Philip @philiplampkin.bsky.social · 05/09/2025
My 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.org
Bifunctional Catalysis of Aldol Reactions by Foldamer Dihydrazides: Assessment of Conformational Preorganization
We 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...
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Reposted by Brenna Bierman
Nature @nature.com · 18/08/2025
A key study claiming to provide evidence of Majorana quasiparticles has received an extensive correction five years after it was published go.nature.com/45RK3UE
go.nature.com
Controversial quantum-computing paper gets hefty correction — but concerns linger
The journal Science has lifted an expression of concern on a paper claiming evidence of Majorana quasiparticles and added new details.
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Reposted by Brenna Bierman
Philip @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.org
Versatile Open-Source Photoreactor Architecture for Photocatalysis Across the Visible Spectrum
Adoption 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...
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Brenna Bierman @brennabierman.bsky.social · 13/03/2025
Our work on 2M-WSe2 is out now in Adv. Funct. Mater.! doi.org/10.1002/adfm...
doi.org
Evidence for Topological States and a Lifshitz Transition in Metastable 2M‐WSe2
This 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...
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Reposted by Brenna Bierman
Philip @philiplampkin.bsky.social · 15/01/2025
My 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... #ChemSky
doi.org
Dual Activation Modes Enable Bifunctional Catalysis of Aldol Reactions by Flexible Dihydrazides
Hydrazides are known to catalyze reactions of α,β-unsaturated aldehydes via transient iminium formation. The iminium intermediate displays enhanced electrophilicity, which facilitates conjugate additi...
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