Ayusman Sen
Distinguished Professor of Chemistry
-
440 Chemistry
University Park, PA - axs20@psu.edu
- 814-863-2460
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Enzymes Catalysis Propulsion Micromotors Pumps Application Colloids Substrates Biomass Salts Colloid Microfluidics Hydrodynamics Energy Pump Molecules Biomimetics Extrusion Liposomes Ions Carbohydrates Acoustics Direction Compound Electrolytes MicrochannelsMost Recent Publications
Dynamic Oscillation and Motion of Oil-in-Water Emulsion Droplets
S Krishna Mani, S Al-Tooqi, J Song, A Sapre, Lauren Zarzar, A Sen, 2024, Angewandte Chemie - International Edition on p. e202316242
Ultrasound Manipulation and Extrusion of Active Nanorods
Leonardo Dominguez Rubio, Matthew Collins, Ayusman Sen, Igor S. Aranson, 2023, Small
Interactions with amyloid beta peptide and acetylcholinesterase increase alkaline phosphatase activity
Ashlesha Bhide, Ayusman Sen, 2023, Physical Chemistry Chemical Physics on p. 21149-21153
Kinetic Asymmetry versus Dissipation in the Evolution of Chemical Systems as Exemplified by Single Enzyme Chemotaxis
Niladri Sekhar Mandal, Ayusman Sen, R. Dean Astumian, 2023, Journal of the American Chemical Society on p. 5730-5738
Light-Powered, Fuel-Free Oscillation, Migration, and Reversible Manipulation of Multiple Cargo Types by Micromotor Swarms
Jianhua Zhang, Abhrajit Laskar, Jiaqi Song, Oleg E. Shklyaev, Fangzhi Mou, Jianguo Guan, Anna C. Balazs, Ayusman Sen, 2023, ACS Nano on p. 251-262
A Molecular Origin of Non-reciprocal Interactions Between Interacting Active Catalysts
N Mandal, Ayusman Sen, R Astumian, 2023, Chem
Self-Propelling Macroscale Sheets Powered by Enzyme Pumps
J Song, O Shklyaev, A Sapre, A Balazs, Ayusman Sen, 2023, Angew. Chem., Int. Ed.
Autonomous Photothermally-driven Fluid Pumping and Particle Transport and Assembly
O Shklyaev, R Manna, A Laskar, J Kauffman, B Tansi, Ayusman Sen, A Balazs, 2023, on p. 296-325
Remote Magnetically Controlled Chemically Fueled Micromotor Disks
A Unruh, E Savage, Ayusman Sen, 2023, Chem. Mater on p. 10099-10105
Programming motion of platinum microparticles: From linear to orbital
Angus Unruh, Alan Brooks, Igor Aranson, Ayusman Sen, 2023, ACS Applied Engineering Materials on p. 1126-1133
Most-Cited Papers
Chemical conversion pathways for carbohydrates
Chandrani Chatterjee, Frances Pong, Ayusman Sen, 2015, Green Chemistry on p. 40-71
Boundaries can steer active Janus spheres
Sambeeta Das, Astha Garg, Andrew I. Campbell, Jonathan Howse, Ayusman Sen, Darrell Velegol, Ramin Golestanian, Stephen J. Ebbens, 2015, Nature Communications
From one to many: Dynamic assembly and collective behavior of self-propelled colloidal motors
Wei Wang, Wentao Duan, Suzanne Ahmed, Ayusman Sen, Thomas E. Mallouk, 2015, Accounts of Chemical Research on p. 1938-1946
Micromotors Powered by Enzyme Catalysis
Krishna K. Dey, Xi Zhao, Benjamin M. Tansi, Wilfredo J. Méndez-Ortiz, Ubaldo M. Córdova-Figueroa, Ramin Golestanian, Ayusman Sen, 2015, Nano Letters on p. 8311-8315
'Fuelled' motion: Phoretic motility and collective behaviour of active colloids
Pierre Illien, Ramin Golestanian, Ayusman Sen, 2017, Chemical Society Reviews on p. 5508-5518
Chemically Propelled Molecules and Machines
Krishna Kanti Dey, Ayusman Sen, 2017, Journal of the American Chemical Society on p. 7666-7676
Enhanced transport into and out of dead-end pores
Abhishek Kar, Tso Yi Chiang, Isamar Ortiz Rivera, Ayusman Sen, Darrell Velegol, 2015, ACS Nano on p. 746-753
Positive and negative chemotaxis of enzyme-coated liposome motors
Ambika Somasundar, Subhadip Ghosh, Farzad Mohajeramni, Farzad Mohajerani, Lynnicia N. Massenburg, Tinglu Yang, Paul S. Cremer, Darrell Velegol, Ayusman Sen, 2019, Nature Nanotechnology on p. 1129-1134
Synthetic Nano- and Micromachines in Analytical Chemistry: Sensing, Migration, Capture, Delivery, and Separation
Wentao Duan, Wei Wang, Sambeeta Das, Vinita Yadav, Thomas E. Mallouk, Ayusman Sen, 2015, Annual Review of Analytical Chemistry on p. 311-333
Powering Motion with Enzymes
Xi Zhao, Kayla Gentile, Farzad Mohajerani, Ayusman Sen, 2018, Accounts of Chemical Research on p. 2373-2381
News Articles Featuring Ayusman Sen
Jun 15, 2023
Penn State researchers use ultrasound to control orientation of small particles
Acoustic waves may be able to control how particles sort themselves. While researchers have been able to separate particles based on their shape — for example, bacteria from other cells — for years, the ability to control their movement has remained a largely unsolved problem, until now.
Full Article
Dec 05, 2019
Artificial cells act more like the real thing
Protocells -- artificial cells -- that are active and mimic living cells by moving independently and that are biocompatible and enzymatically active are now possible using an improved method developed by Penn State researchers.
Full Article
Nov 19, 2019
Directing Self-propelled Protocells To Deliver Drugs
Synthetic protocells can be made to move toward and away from chemical signals, an important step for the development of new drug-delivery systems that could target specific locations in the body. By coating the surface of the protocells with enzymes — proteins that catalyze chemical reactions — a team of researchers at Penn State was able to control the direction of the protocell’s movement in a chemical gradient in a microfluidic device.
Full Article
Nov 18, 2019
Directional control of self-propelled protocells: The future of drug delivery?
Synthetic protocells can be made to move toward and away from chemical signals, an important step for the development of new drug-delivery systems that could target specific locations in the body. By coating the surface of the protocells with enzymes — proteins that catalyze chemical reactions — a team of researchers at Penn State was able to control the direction of the protocell’s movement in a chemical gradient in a microfluidic device.
Full Article
Nov 18, 2019
Directional control of self-propelled protocells
Synthetic protocells can be made to move toward and away from chemical signals, an important step for the development of new drug-delivery systems that could target specific locations in the body.
Full Article
Oct 30, 2019
Tiny swimming donuts deliver the goods
Bacteria and other swimming microorganisms evolved to thrive in challenging environments, and researchers struggle to mimic their unique abilities for biomedical technologies, but fabrication challenges created a manufacturing bottleneck. Microscopic, 3D-printed, tori — donuts — coated with nickel and platinum may bridge the gap between biological and synthetic swimmers, according to an international team of researchers.
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May 28, 2019
Ayusman Sen receives Humboldt Research Award
Ayusman Sen, distinguished professor of chemistry at Penn State, has been awarded a Humboldt Research Award by the Alexander von Humboldt Foundation of Germany.
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