Publications
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Self-Consistent Connected-Rod Model for Small-Angle Scattering from Deformed Semiflexible Chains in Flow

Macromolecules

Jiamin Zhang, Gregory S. Smith, Patrick T. Corona, Patrick T. Underhill, L. Gary Leal and Matthew E. Helgeson

 

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Coacervate or precipitate? Formation of non-equilibrium microstructures in coacervate emulsionss

Soft Matter

Chelsea E. R. Edwards, Kareem L. Lakkis, Yimin Luo and Matthew E. Helgeson

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Designing Superlubricious Hydrogels from Spontaneous Peroxidation Gradients

ACS Appl. Mater. Interfaces

Allison L. Chau, Chelsea E. R. Edwards, Matthew E. Helgeson, and Angela A. Pitenis

 

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Competition between β-Sheet and Coacervate Domains Yields Diverse Morphologies in Mixtures of Oppositely Charged Homochiral Polypeptides

Biomacromolecules

Nairiti J. Sinha, Keila Cristina Cunha, Robert Murphy, Craig J. Hawker, Joan-Emma Shea, and Matthew E. Helgeson

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Tailoring Writability and Performance of Star Block Copolypeptides Hydrogels through Side‐Chain Design

Small

Ronnie V Garcia, Elizabeth A Murphy, Nairiti J Sinha, Yoichi Okayama, Juan Manuel Urueña, Matthew E Helgeson, Christopher M Bates, Craig J Hawker, Robert D Murphy, Javier Read de Alaniz

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Molecular-scale substrate anisotropy, crowding and division drive collective behaviours in cell monolayers

Journal of The Royal Society Interface

Yimin Luo, Mengyang Gu, Minwook Park, Xinyi Fang, Younghoon Kwon, Juan Manuel Urueña, Javier Read de Alaniz, Matthew E Helgeson, Cristina M Marchetti, Megan T Valentine

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Minimal conditions for solidification and thermal processing of colloidal gels

Proceedings of the National Academy of Sciences

Scott M Fenton, Poornima Padmanabhan, Brian K Ryu, Tuan TD Nguyen, Roseanna N Zia, Matthew E Helgeson

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Testing orientational closure approximations in dilute and non-dilute suspensions with Rheo-SANS

Journal of Non-Newtonian Fluid Mechanics

Patrick T Corona, Kexin Dai, Matthew E Helgeson, L Gary Leal

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Modular Synthesis and Patterning of High-Stiffness Networks by Postpolymerization Functionalization with Iron–Catechol Complexes

Macromolecules

Declan P Shannon, Joshua D Moon, Christopher W Barney, Nairiti J Sinha, Kai-Chieh Yang, Seamus D Jones, Ronnie V Garcia, Matthew E Helgeson, Rachel A Segalman, Megan T Valentine, Craig J Hawker

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Flow-concentration coupling determines features of nonhomogeneous flow and shear banding in entangled polymer solutions

Journal of Rheology

Michael C Burroughs, Yuanyi Zhang, Abhishek Shetty, Christopher M Bates, Matthew E Helgeson, L Gary Leal

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Phosphates form spectroscopically dark state assemblies in common aqueous solutions

Proceedings of the National Academy of Sciences

Joshua S Straub, Mesopotamia S Nowotarski, Jiaqi Lu, Tanvi Sheth, Sally Jiao, Matthew PA Fisher, M Scott Shell, Matthew E Helgeson, Alexej Jerschow, Songi Han

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Predicting Polyelectrolyte Coacervation from a Molecularly Informed Field-Theoretic Model

Macromolecules

My Nguyen, Nicholas Sherck, Kevin Shen, Chelsea ER Edwards, Brian Yoo, Stephan Köhler, Joshua C Speros, Matthew E Helgeson, Kris T Delaney, M Scott Shell, Glenn H Fredrickson

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Modeling colloidal interactions that predict equilibrium and non-equilibrium states

The Journal of Chemical Physics

Brian K Ryu, Scott M Fenton, Tuan TD Nguyen, Matthew E Helgeson, Roseanna N Zia

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Strength of fluid-filled soft composites across the elastofracture length

Soft Matter

Christopher W Barney, Megan T Valentine, Matthew E Helgeson

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High-throughput microscopy to determine morphology, microrheology, and phase boundaries applied to phase separating coacervates

Royal Society of Chemistry

Yimin Luo, Mengyang Gu, Chelsea ER Edwards, Megan T Valentine, Matthew E Helgeson

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A multi-tasking polypeptide from bloodworm jaws: Catalyst, template, and copolymer in film formation

Matter

William R Wonderly, Tuan TD Nguyen, Katerina G Malollari, Daniel DeMartini, Peyman Delparastan, Eric Valois, Phillip B Messersmith, Matthew E Helgeson, J Herbert Waite

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Rational mechanochemical design of Diels–Alder crosslinked biocompatible hydrogels with enhanced properties

Royal Society of Chemistry

Sophia J Bailey, Christopher W Barney, Nairiti J Sinha, Sai Venkatesh Pangali, Craig J Hawker, Matthew E Helgeson, Megan T Valentine, Javier Read de Alaniz

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Fingerprinting soft material nanostructure response to complex flow histories

American Physical Society

Patrick T Corona, Barbara Berke, Manuel Guizar-Sicairos, L Gary Leal, Marianne Liebi, Matthew E Helgeson

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Network structure influences bulk modulus of nearly incompressible filled silicone elastomers

Elsevier

 

Christopher W Barney, Matthew E Helgeson, Megan T Valentine

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Differential dynamic microscopy for the characterization of polymer systems

Journal of Polymer Science

Roberto Cerbino, Fabio Giavazzi, Matthew E Helgeson

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Depinning of Multiphase Fluid Using Light and Photo-Responsive Surfactants

American Chemical Society

Lei Zhao, Serena Seshadri, Xichen Liang, Sophia J Bailey, Michael Haggmark, Michael Gordon, Matthew E Helgeson, Javier Read de Alaniz, Paolo Luzzatto-Fegiz, Yangying Zhu

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Engineering Gelation Kinetics in Living Silk Hydrogels by Differential Dynamic Microscopy Microrheology and Machine Learning

Advanced Biology

Rhett L Martineau, Alexandra V Bayles, Chia‐Suei Hung, Kristofer G Reyes, Matthew E Helgeson, Maneesh K Gupta

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Uncertainty quantification and estimation in differential dynamic microscopy

American Physical Society

Mengyang Gu, Yimin Luo, Yue He, Matthew E Helgeson, Megan T Valentine

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Influence of Polarity Change and Photophysical Effects on Photosurfactant-Driven Wetting

American Chemical Society

Serena Seshadri, Sophia J Bailey, Lei Zhao, Julia Fisher, Miranda Sroda, Michelle Chiu, Friedrich Stricker, Megan T Valentine, Javier Read de Alaniz, Matthew E Helgeson

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Modeling orthogonal superposition rheometry to probe nonequilibrium dynamics of entangled polymers

Journal of Rheology

Jiamin Zhang, Andres Jurzyk, Matthew E Helgeson, L Gary Leal

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Bayesian estimations of orientation distribution functions from small-angle scattering enable direct prediction of mechanical stress in anisotropic materials

Physical Review Materials

Patrick T Corona, Kevin S Silmore, Raymond Adkins, Christian Lang, Minne Paul Lettinga, James W Swan, L Gary Leal, Matthew E Helgeson

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Role of architecture on thermorheological properties of poly (alkyl methacrylate)-based polymers

American Chemical Society

Bas GP Van Ravensteijn, Raghida Bou Zerdan, Craig J Hawker, Matthew E Helgeson

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Flow-induced concentration nonuniformity and shear banding in entangled polymer solutions

Physical Review Letters

Michael C Burroughs, Yuanyi Zhang, Abhishek M Shetty, Christopher M Bates, L Gary Leal, Matthew E Helgeson

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Design and characterization of a 3D-printed staggered herringbone mixer

BioTechniques

Vedika J Shenoy, Chelsea ER Edwards, Matthew E Helgeson, Megan T Valentine

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Hydrogen bonding strength determines water diffusivity in polymer ionogels

The Journal of Physical Chemistry B

Alexandra V Bayles, Julia M Fisher, Connor S Valentine, Arash Nowbahar, Matthew E Helgeson, Todd M Squires

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Structural evolution of layered hybrid lead iodide perovskites in colloidal dispersions

Clayton J Dahlman, Naveen R Venkatesan, Patrick T Corona, Rhiannon M Kennard, Lingling Mao, Noah C Smith, Jiamin Zhang, Ram Seshadri, Matthew E Helgeson, Michael L Chabinyc

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Engineered ovalbumin nanoparticles for cancer immunotherapy

Advanced Therapeutics

Nahal Habibi, Stephanie Christau, Lukasz J Ochyl, Zixing Fan, Alireza Hassani Najafabadi, Matthias Kuehnhammer, Mengwen Zhang, Matthew Helgeson, Regine von Klitzing, James J Moon, Joerg Lahann

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Self-regulating photochemical Rayleigh-Bénard convection using a highly-absorbing organic photoswitch

Nature communications

Serena Seshadri, Luke F Gockowski, Jaejun Lee, Miranda Sroda, Matthew E Helgeson, Javier Read de Alaniz, Megan T Valentine

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Microstructural characterization of a star-linear polymer blend under shear flow by using rheo-SANS

Journal of Rheology

LT Andriano, N Ruocco, JD Peterson, D Olds, ME Helgeson, Konstantinos Ntetsikas, Nikos Hadjichristidis, S Costanzo, D Vlassopoulos, RP Hjelm, LG Leal

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Coupled nonhomogeneous flows and flow-enhanced concentration fluctuations during startup shear of entangled polymer solutions

Physical Review Fluids

Michael C Burroughs, Abhishek M Shetty, L Gary Leal, Matthew E Helgeson

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Multiple nanoemulsions

Nature Reviews Materials

Tanvi Sheth, Serena Seshadri, Tamás Prileszky, Matthew E Helgeson

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Size, shape, and flexibility influence nanoparticle transport across brain endothelium under flow

Bioengineering & translational medicine

Maksymilian Nowak, Tyler D Brown, Adam Graham, Matthew E Helgeson, Samir Mitragotri

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Delivery of nanoparticles and macromolecules across the blood–brain barrier

Advanced Therapeutics

Maksymilian Nowak, Matthew E Helgeson, Samir Mitragotri

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Anomalous solute diffusivity in ionic liquids: Label-free visualization and physical origins

https://journals.aps.org/prx/abstract/10.1103/PhysRevX.9.011048

Alexandra V Bayles, Connor S Valentine, Till Überrück, Scott PO Danielsen, Songi Han, Matthew E Helgeson, Todd M Squires

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Minimizing Star–Star Coupling in Cu (0)-Mediated Controlled Radical Polymerizations

Macromolecules

Bas GP van Ravensteijn, Raghida Bou Zerdan, Matthew E Helgeson, Craig J Hawker

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A microfluidic model of human brain (μHuB) for assessment of blood brain barrier

Bioengineering & translational medicine

Tyler D Brown, Maksymilian Nowak, Alexandra V Bayles, Balabhaskar Prabhakarpandian, Pankaj Karande, Joerg Lahann, Matthew E Helgeson, Samir Mitragotri

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Tuning the potential of electron extraction from microbes with ferrocene‐containing conjugated oligoelectrolytes

Advanced Biosystems

Samantha R McCuskey, Zachary D Rengert, Mengwen Zhang, Matthew E Helgeson, Thuc‐Quyen Nguyen, Guillermo C Bazan

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Triple function lubricant additives based on organic–inorganic hybrid star polymers: Friction reduction, wear protection, and viscosity modification

ACS applied materials & interfaces

Bas GP van Ravensteijn, Raghida Bou Zerdan, Dongjin Seo, Nicholas Cadirov, Takumi Watanabe, Jeffrey A Gerbec, Craig J Hawker, Jacob N Israelachvili, Matthew E Helgeson

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Probing flow-induced nanostructure of complex fluids in arbitrary 2D flows using a fluidic four-roll mill (FFoRM)

Scientific reports

Patrick T Corona, Nino Ruocco, Kathleen M Weigandt, L Gary Leal, Matthew E Helgeson

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Decoupling bulk mechanics and mono-and multivalent ion transport in polymers based on metal–ligand coordination

Chemistry of Materials

Nicole S Schauser, Gabriel E Sanoja, Joshua M Bartels, Sheetal K Jain, Jerry G Hu, Songi Han, Lynn M Walker, Matthew E Helgeson, Ram Seshadri, Rachel A Segalman

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Abstract

Photocrosslinking polymeric ionic liquids via anthracene cycloaddition for organic electronics

Journal of Materials Chemistry C

Bhooshan C Popere, Gabriel E Sanoja, Elayne M Thomas, Nicole S Schauser, Seamus D Jones, Joshua M Bartels, Matthew E Helgeson, Michael L Chabinyc, Rachel A Segalman

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Ion transport in dynamic polymer networks based on metal–ligand coordination: effect of cross-linker concentration

Macromolecules

Gabriel E Sanoja, Nicole S Schauser, Joshua M Bartels, Christopher M Evans, Matthew E Helgeson, Ram Seshadri, Rachel A Segalman

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A hyaluronic acid conjugate engineered to synergistically and sequentially deliver gemcitabine and doxorubicin to treat triple negative breast cancer

Journal of Controlled Release

Douglas R Vogus, Michael A Evans, Anusha Pusuluri, Alexandra Barajas, Mengwen Zhang, Vinu Krishnan, Maksymilian Nowak, Stefano Menegatti, Matthew E Helgeson, Todd M Squires, Samir Mitragotri

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Decoupling mechanical and conductive dynamics of polymeric ionic liquids via a trivalent anion additive

Macromolecules

Joshua Bartels, Gabriel E Sanoja, Christopher M Evans, Rachel A Segalman, Matthew E Helgeson

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Controlling complex nanoemulsion morphology using asymmetric cosurfactants for the preparation of polymer nanocapsules

Langmuir

Mengwen Zhang, Patrick T Corona, Nino Ruocco, David Alvarez, Paula Malo de Molina, Samir Mitragotri, Matthew E Helgeson

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Distinguishing shear banding from shear thinning in flows with a shear stress gradient

Rheologica Acta

Peng Cheng, Michael C Burroughs, L Gary Leal, Matthew E Helgeson

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Probe microrheology without particle tracking by differential dynamic microscopy

Rheologica Acta

Alexandra V Bayles, Todd M Squires, Matthew E Helgeson

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Synthesis of oil-laden poly (ethylene glycol) diacrylate hydrogel nanocapsules from double nanoemulsions

Langmuir

Mengwen Zhang, Maksymilian Nowak, Paula Malo de Molina, Michael Abramovitch, Katherine Santizo, Samir Mitragotri, Matthew E Helgeson

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