Grason Research Group

News

June 2018 - Collaborative study with Andreea Panaitescu and Arshad Kudrolli on tomographic study of 3D structure of twisted bundles, "Persistence of Perfect Packing in Twisted Bundles of Elastic Filaments", is featured on the cover of the June 15, 2018 issue of Physical Review Letters.

 

December 2017 - Qingyou Meng successfully defends his Ph.D. dissertation, "Complex Ground States of Vortices and Filaments"; Ishan Prasad successfully defends his dissertation, "Self-Assembling Networks in Soft Matter".  Congrats Drs. Meng and Prasad!

November 2017 - Workshop on Geometrically Frustrated Self-Assemblies (co-organized with Pierre Ronceray) is held Princeton Center for Theoretical Sciences

 

July 2017 - News & Views article, "Self-Assembly: Misfits Unite", highlights new model of geometrically frustrated assembly by M. Lenz and T. Witten in Nature Physics.

June 2017 - Chris Burke presents talk, "Modeling Intra-Domain Textures and Chirality Transfer in Block Copolymer Melts with Polar and Nematic Segment Ordering", at 2017 Gordon Research Conference on Liquid Crystals (and GRS!).

September 2016 - Spotlight article, "Perspective: Geometrically frustrated assemblies" is featured on the cover of the September 21 issue of Journal of Chemical Physics  and selected as an Editor's Pick.

August 2016 - New postdoc, Dr. Chris Burke joins the research group.  Welcome Chris!

April 2016 - Amir Azadi is awarded the Kandula Sastry Award by the UMass Physics Department in recognition for an outstanding Ph.D. thesis in Physics.  Congrats, Amir!

March 2016 - Doug and Isaac's new paper on "Morphology selection via geometric frustration in chiral filament bundles" appears in July 2016 issue of Nature Materials ! See also, UMass press release , and News & Views piece, "Chiral Bundles: Frustrated Shapes", by H. Aharoni and E. Sharon .

July 2015 - Luis Cajamarca successfully defends his Ph.D. dissertation, "Elasticity and Geometry in Curved-Filament Assemblies".  Congratulations Dr. Cajamarca!  (In August, Luis begins a position at Loomis-Sayles)

June 2015 - Isaac Bruss successfully defends his Ph.D. dissertation, "Geometry and Thermodynamics of Filament Bundles".  Congratulations Dr. Bruss! (In August, Isaac begins a postdoc position at University of Michigan.)

June 2015 - Amir Azadi successfully defends his Ph.D. dissertation, "Emergent Structure of Multi-Dislocation Ground States in Frustrated Assemblies".  Congratulations Dr. Azadi! (In August, Amir begins a postdoc position at Harvard.)

June 2015 - Colloquium article on "Geometry and optimal packing of twisted columns and filaments" is featured on the cover of the April-June issue of Reviews of Modern Physics.

May 2015 - Viewpoint article on "Chirality Transfer in Block Copolymer Melts: Emerging Concepts" is featured on the cover of the May 19th issue of ACS MacroLetters.

April 2015 - Luis's article (w/collaborators @ Brandies)  "Measuring cohesion between macromolecular filaments, one pair at a time: Depletion-induced microtubule binding" is featured as an Editor's Suggestion the in the April, 2 Issue of Physical Review Letters.

July 2013 - Isaac's article on "Topological defects, surface geometry and cohesive energy of twisted filament bundles" is highlighted on the Soft Matter Blog.

May 2013 - Article on "Frustration and packing in curved-filament assemblies: from isometric to isomorphic bundles" -- featured on the cover of the August 7th issue of Soft Matter -- is highlighted on the Soft Matter Blog.

September 2012 - Wei Zhao successfully defends his doctoral dissertation, "Helical Ordering in Chiral Block Copolymers". Congratulations, Dr. Zhao!

July 2012 -Isaac Bruss's article on "Non-Euclidean geometry of twisted filament bundle packing" -- published in July 3rd issue of PNAS -- is highlighted on the Journal Club for Condensed Matter Physics.

May 2012 - Isaac wins best student poster award for his poster, "Assembly and packing of twisted bundles", at Frontiers of Soft Matter 2012.

March 2012 - Image from article Continuum theory of disclinations in filament bundles is featured on Physical Review E Kaleidoscope.

July 2010 - Article on lattice defects in two-dimensionally ordered filament bundles is featured on the cover of the July 23rd issue of Physical Review Letters.

Dec 2009 - Homin Shin's article on "Cooperativity and Frustration in Protein-Mediated Parallel Actin Bundles" -- featured as an Editor's Suggestion in Dec. 4th issue of Physical Review Letters) -- is highlighted on the Journal Club for Condensed Matter Physics.

May 2009 - Image from article theory of chiral filament bundles is featured on Physical Review E Kaleidoscope.