Rheological properties of phase transitions in polydisperse and monodisperse colloidal rod systems

AIChE Journal ◽  
2021 ◽  
Author(s):  
Shiqin He ◽  
Dominic R. Pascucci ◽  
Marco Caggioni ◽  
Seth Lindberg ◽  
Kelly M. Schultz
Keyword(s):  
Phase Transitions ◽  
Rheological Properties

Using μ2rheology to quantify rheological properties during repeated reversible phase transitions of soft matter

Lab on a Chip ◽  
2017 ◽  
Vol 17 (12) ◽  
pp. 2085-2094 ◽  
Author(s):  
Matthew D. Wehrman ◽  
Melissa J. Milstrey ◽  
Seth Lindberg ◽  
Kelly M. Schultz
Keyword(s):  
Phase Transitions ◽  
Rheological Properties ◽  
Soft Matter ◽  
Single Sample ◽  
Fluid Exchange ◽  
Reversible Phase ◽  
Surrounding Fluid

A novel microfluidic design enables repeated phase transitions in a single sample by surrounding fluid exchange and microrheological characterization.

Physical Principles Underlying the Complex Biology of Intracellular Phase Transitions

2020 ◽  
Vol 49 (1) ◽  
pp. 107-133 ◽  
Author(s):  
Jeong-Mo Choi ◽  
Alex S. Holehouse ◽  
Rohit V. Pappu
Keyword(s):  
Phase Transitions ◽  
Rheological Properties ◽  
Recent Work ◽  
Driving Forces ◽  
Rna Molecules ◽  
Associative Polymers ◽  
Different Types ◽  
Condensate Formation ◽  
The Impact ◽  
Physical Principles

Many biomolecular condensates appear to form via spontaneous or driven processes that have the hallmarks of intracellular phase transitions. This suggests that a common underlying physical framework might govern the formation of functionally and compositionally unrelated biomolecular condensates. In this review, we summarize recent work that leverages a stickers-and-spacers framework adapted from the field of associative polymers for understanding how multivalent protein and RNA molecules drive phase transitions that give rise to biomolecular condensates. We discuss how the valence of stickers impacts the driving forces for condensate formation and elaborate on how stickers can be distinguished from spacers in different contexts. We touch on the impact of sticker- and spacer-mediated interactions on the rheological properties of condensates and show how the model can be mapped to known drivers of different types of biomolecular condensates.

Rheological properties and the mechanical signatures of phase transitions in weakly-segregated rod-coil block copolymers

Soft Matter ◽  
2009 ◽  
Vol 5 (12) ◽  
pp. 2453 ◽  
Author(s):  
Bradley D. Olsen ◽  
Nerayo P. Teclemariam ◽  
Susan J. Muller ◽  
Rachel A. Segalman
Keyword(s):  
Phase Transitions ◽  
Block Copolymers ◽  
Rheological Properties
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