Asst. Prof. @psu_chemistry Soft Active Matter Theory & Material Science Arnold O. Beckman Postdoctoral Fellow @Caltech Chemical Physics PhD @Columbia
State College, PA
Joined August 2011
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Excited to share our latest paper in @softmatter! 🎉
We show how the pressure equation of state of an active suspension can be extracted from its sedimentation profile.
Great work by Yunhee, Elijah, and Parvin!
👉 tinyurl.com/active-sedimenta…
Stewart A. Mallory retweeted
Effective interactions in active Brownian particles - now published in Soft Matter pubs.rsc.org/en/content/arti…
One does not simply compute the equation of state of a suspension of active colloids.
But with sedimentation equilibrium… one might.
🧪 Recent preprint from our group — excellent work by Parvin, Yunhee, and Elijah!
📄 arxiv.org/abs/2506.17428
Stewart A. Mallory retweeted
Excited to share our latest work out in @J_A_C_S ! Building off previous observations that oxidative additions to electrophilic metals might be a little different... including evidence for the first Pd(IV)-dihydride.
@psu_chemistry
pubs.acs.org/doi/full/10.102…
Stewart A. Mallory retweeted
New publication from our group @softbiocol led by Vivien Willems.
Check the group Twitter thread about it below👇
Very excited to get this work published! A step forward on active soft microsystems
Thanks to all the colleagues who made this happen!
@crpp
@univbordeaux
Publication Alert!🎉
🚀🧪 New paper out! @softmatter
We show that Janus lipid vesicles can self-propel under AC electric fields, exhibiting run-and-tumble dynamics—just like bacteria, but driven by membrane-phase behavior.
👉 Read here: pubs.rsc.org/en/content/arti…
🚀🚀 Tiny robots, big questions! Our work on active colloids is featured in @penn_state’s latest Q&A.
Grateful for the spotlight on our efforts to uncover how microswimmers self-organize, move, and transport.
🔗 tinyurl.com/4dnpkj5f
#ActiveMatter #SoftMatter #PennState – at State College, PA
🚶♂️ Hate waiting in line? So do active particles! Our new @JChemPhys paper shows how self-propulsion reshapes single-file diffusion.
Great work by Akin Akintunde, Parvin Bayati, and @HyeongjooRow.
🔗 doi.org/10.1063/5.0248772
#ActiveMatter #SoftMatter #Physics
Stewart A. Mallory retweeted
Thrilled to see this paper published @ScienceAdvances!
In it, we describe how growing bacterial colonies form metastable “living gels” in polymeric fluids.
Check it out at doi.org/10.1126/sciadv.adq77…!
A summary is at
cce.caltech.edu/news-and-eve…
as well as in the tweetorial below ⬇️
Excited to release our latest work, led by Sebastian Gonzalez La Corte (@sesgonzalez) with Ned Wingreen: doi.org/10.1101/2024.04.18.5…!
Here, we show that polymers unexpectedly sculpt proliferating bacterial colonies into spaghetti-like "cables".🦠🍝
Tweetorial follows! [1/10]
Stewart A. Mallory retweeted
Congratulations to @HodgesChem, @AyatTassanov, and collaborators on this exciting #SolidStateChemistry paper in @J_A_C_S! @psu_chemistry @PSUScience
Rational Pathways to Ordered Multianion Chalcogenides Using Retrosynthetic Crystal Chemistry Journal of the American Chemical Society @HodgesChem @penn_state @psu_chemistry #Ordered #Multianion #Chalcogenide #Retrosynthetic #Crystal #Chemistry @PSUScience pubs.acs.org/doi/10.1021/jac…
Stewart A. Mallory retweeted
Rational Pathways to Ordered Multianion Chalcogenides Using Retrosynthetic Crystal Chemistry Journal of the American Chemical Society @HodgesChem @penn_state @psu_chemistry #Ordered #Multianion #Chalcogenide #Retrosynthetic #Crystal #Chemistry @PSUScience pubs.acs.org/doi/10.1021/jac…
Stewart A. Mallory retweeted
Upside-Down Adsorption: Counterintuitive Influences of Surface Entropy and Surface Hydroxyl Density on Hydrogen Spillover | Journal of the American Chemical Society @penn_state @psu_chemistry #Adsorption #Surface #Entropy #Hydroxyl #Hydrogen #Spillover pubs.acs.org/doi/10.1021/jac…
Stewart A. Mallory retweeted
Great #catalysis paper in @J_A_C_S by Bert Chandler’s group at @psu_chemistry @PSUScience @PennStateChE! Really cool title, too!
Upside-Down Adsorption: Counterintuitive Influences of Surface Entropy and Surface Hydroxyl Density on Hydrogen Spillover | Journal of the American Chemical Society @penn_state @psu_chemistry #Adsorption #Surface #Entropy #Hydroxyl #Hydrogen #Spillover pubs.acs.org/doi/10.1021/jac…
Stewart A. Mallory retweeted
Self-Organized Patterns in Non-Reciprocal Active Droplet Systems (Lauren D. Zarzar and co-workers) @Liu_Yu_tong @dynscientist @IITIOfficial @pepijnmoerman @AdityaSKhair1 @LaurenZarzar #openaccess onlinelibrary.wiley.com/doi/…
Stewart A. Mallory retweeted
The paper that launched the field of self-propelled autonomous nanomotors — extremely small particles that can move on their own — was written by our own Ayusman Sen, Verne M. Willaman Professor of Chemistry, and is celebrating its 20th anniversary.
#PennStateChemistry
Stewart A. Mallory retweeted
We had the absolute pleasure of hosting Nobel laureate Stan Whittingham @binghamtonu this week for the Allcock Alumni Lectureship!!
Our faculty and students engaged in discussions about his work on lithium-ion batteries, and shared updates on our department's activities. ⬇️
ALT Dr. Stan Whittingham giving presentation
ALT Dr. Harry Allcock speaking
Stewart A. Mallory retweeted
Now in @J_A_C_S . When a microdroplet is out-of-equilibrium (e.g. solubilizing), partitioning of molecules (like surfactant) can take unexpected pathways.
pubs.acs.org/doi/10.1021/jac…
Stewart A. Mallory retweeted
Dynamic Partitioning of Surfactants into Nonequilibrium Emulsion Droplets | Journal of the American Chemical Society @LaurenZarzar @penn_state @PSUScience #Dynamic #Partitioning #Surfactants #Nonequilibrium #Emulsion #Droplets pubs.acs.org/doi/10.1021/jac…
Stewart A. Mallory retweeted
Radial gradients reveal unique dynamics in phoretic Janus particles. This study uncovers circular orbits to stationary states, offering control at the microscale. #ActiveMatter #Colloids @StewMallory @psu_chemistry @PSUScience
Read it here 🔗 pubs.acs.org/doi/full/10.102…
