Publications

Articles submitted for publication/under review

  • Chalarca et al, "Building Supracolloidal Fibers from Zwitterion-Stabilized Adhesive Emulsions." Advanced Functional Materials (DOI: 10.1002/adfm.201804325)
  • Fang et al, "Autophoresis of two adsorbing/desorbing particles in an electrolyte solution."
  • Liu et al, "Pattern formation in oil-in-water emulsions exposed to a salt gradient."
  • Manna et al, "Light-induced Convective Segregation of Different Sized Particles."
  • Rallabandi et al, "Motion of hydrodynamically interacting active particles."
  • Yang et al, "Autophoresis of two adsorbing/desorbing particles in an electrolyte solution."
Ayusmen-Sen-Langmuir-Lecture

2019 Langmuir Lectureship

Ayusman Sen was named a 2019 Langmuir Lecturer by the American Chemical Society. The ACS Division of Colloid and Surface Chemistry presents the Langmuir award annually at the American Chemical Society National Meeting.

ACS

ACS Symposium

CCMA investigators organize upcoming ACS Symposium:  Autonomous Process, Chemomechanics, and Active Matter using Polymers and Soft Materials

Balazs activesheets-ani-v4

A Catalytic Flying Carpet

Chemical engineering researchers at Pitt develop self-powered microfluidic sheet that wraps, flaps and creeps

Buidling a Pump Without Parts

Building a Pump without Parts

NSF awards $1.8 million to Pitt establishing national center to develop nanoscale chemical reactions that drive fluid flow

active-patch

Using Chemical Pumps and Motors To Design Flows for Directed Particle Assembly

These findings facilitate the fabrication of stand-alone microfluidic devices that autonomously perform multistage chemical reactions and assays for portable biomedical applications and act as small-scale factories to autonomously build microscale components.

Oleg E. Shklyaev, Henry Shum, and Anna C. Balazs • Acc. Chem. Res., 2018, 51 (11), pp 2672–2680 • DOI: 10.1021/acs.accounts.8b00234

particleislands

Organization of Particle Islands via Light-Powered Fluid Pumping

New method uses ultraviolet light to control fluid flow and organize particles.

Benjamin M. Tansi, Matthew L. Peris, Oleg E. Shklyaev, Anna C. Balazs, Ayusman Sen. Organization of Particle Islands Via Light-Powered Fluid Pumping. Angewandte Chemie International Edition, 2018; DOI: 10.1002/anie.201811568

poweringmotionenzymes

Powering Motion with Enzymes

A detailed understanding of how enzymes convert chemical energy to directional mechanical force can lead us to the basic principles of fabrication, development, and monitoring of biological and biomimetic molecular machines.

Xi Zhao, Kayla Gentile, Farzad Mohajerani, and Ayusman Sen • Acc. Chem. Res., 2018, 51 (10), pp 2373–2381 • DOI: 10.1021/acs.accounts.8b00286

self-propelled-chemically-active-sheets

Designing self-propelled, chemically active sheets: Wrappers, flappers, and creepers

These studies reveal how to achieve both spatial and temporal controls over the position and shape of active sheets and thus use the layers to autonomously and controllably trap soft objects, perform logic operations, and execute multistage processes in fluid-filled microchambers.

Abhrajit Laskar, Oleg E. Shklyaev, and Anna C. Balazs • Science Advances  21 Dec 2018: Vol. 4, no. 12, eaav1745 • DOI: 10.1126/sciadv.aav1745

accounts

Fundamental Aspects of Self-Powered Nano- and Micromotors

Accounts of Chemical Research special issue on “Fundamental Aspects of Self-Powered Nano- and Micromotors” Guest Editors: Anna Balazs, Peer Fischer, and Ayusman Sen

Editorial: Intelligent Nano/Micromotors: Using Free Energy To Fabricate Organized Systems Driven Far from Equilibrium
Anna C. Balazs, Peer Fischer, and Ayusman Sen. Acc. Chem. Res., 2018, 51 (12), pp 2979–2979. DOI: 10.1021/acs.accounts.8b00511