Complex fluids – including polymers, particles, surfactants and biomolecules in solution – are key components in technologies spanning commodity and consumer products to cutting-edge pharmaceuticals and advanced materials. A common engineering feature of these materials is their structure, which often exists away from thermodynamic equilibrium at the “mesoscale” – in between the length scales of individual molecules and a bulk material.

The Helgeson Lab investigates the processing of mesostructured complex fluids to enable materials formulation, design and discovery. To do so, we develop experimental and theoretical tools for multi-scale and high-throughput characterization of fluid structure, dynamics and rheology. We have particular expertise in developing methods for in situ dynamic monitoring of fluids to characterize and model the evolution of material properties during processing. We apply these tools to engineer better materials for applications in human health, energy efficiency and sustainable materials.

Our Research

Recent Group News

Monday, March 13, 2023

2023.03.13 - Tanvi successfully defends her Ph.D.

Dr. Tanvi Sheth successfully defended her Ph.D. dissertation, titled "Interfacial Strategies for Multiple Nanoemulsion Formation Employing Mixed Co-Surfactant Systems". Bravo, Tanvi - we'll miss you!

Continue Reading2023.03.13 - Tanvi successfully defends her Ph.D.

Thursday, March 2, 2023

2023.03.02 - Scott successfully defends his Ph.D.

Dr. Scott Fenton successfully defended his Ph.D. dissertation, titled "Characterizing the Phase Behavior of Thermoresposive Colloidal Dispersions to Enable Thermokinetic Processing of Colloidal Gels". After finishing at UCSB, Scott will be taking a position at Dow in Collegeville, PA where he will be taking over management of the central R&D rheology laboratory. Bravo, Scott - we'll miss you!

Continue Reading2023.03.02 - Scott successfully defends his Ph.D.

Monday, January 2, 2023

2023.01.02 - Welcome new Ph.D. students - Andrea, Anoushka & Siobhan

This month we welcome three (!) new first-year Ph.D. students to the group!

Continue Reading2023.01.02 - Welcome new Ph.D. students - Andrea, Anoushka & Siobhan

Friday, November 4, 2022

2022.11.04 - Caidric wins First Prize at BASF-CARA Symposium

Caidric received the First Place presentation prize at the Fall 2022 BASF California Research Alliance Research Symposium for his talk, entitled "Developing high-throughput methods to monitor polymer growth and degradation". Cangratulations, Caidric and the rest of the project team!

Continue Reading2022.11.04 - Caidric wins First Prize at BASF-CARA Symposium