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Recent News

The Perpetual Fragility of Creeping Hillslopes

The Perpetual Fragility of Creeping Hillslopes

Pour a pile of sand onto a table. It will avalanche until the slope relaxes to the angle of repose, where friction prevents gravity from pulling grains downward. All experience tells us that the pile should then just sit there. By probing a seemingly static sandpile with a highly sensitive optical interference technique, however, our experiments have revealed a seething and ceaseless creeping motion. The dynamics of the sandpile are remarkably similar to a cooling glass, suggesting that mechanical disturbances in granular systems play a role akin to thermal fluctuations in glasses. This similarity can be harnessed to change the softness (or strength) of the sand pile by applying different disturbances. This work explains how ubiquitous granular materials such as soil move below their angle of repose, and how distinct perturbations may excite the catastrophic loss of strength that is associated with failure such as landslides. Our findings contribute to emerging evidence of deep connections in the mechanical behavior of disordered materials across scales, as part of IRG1.

press release

LRSM Awarded New PREM Grant

LRSM Awarded New PREM Grant

A Partnership for Research & Education in Materials (PREM) between the University of Puerto Rico (UPR) (Humacao and Cayey undergraduate campuses) and the University of Pennsylvania (PENN) Materials Research Science & Engineering Center (MRSEC) will sustain a long-term and successful collaboration between UPR and PENN that began in 1998. The program will advance scientific discovery and technical development by widening and diversifying the amount of current and potential participants doing high-quality research. It strengthens research thanks to an active year-around collaboration between researchers at the two Hispanic-serving institutions and PENN on subjects as the study of novel carbon-based materials with interesting electrical properties and the modification of surfaces of common materials that can be used as sensors and purification devices. This rich research environment serves as the base for expanding and developing a pipeline model that has proven to be successful in increasing the mentioned underrepresented group in research careers. The model focuses on the recruitment, retention, and graduation of undergraduate Hispanics, women, and Afro-Latin students from disadvantaged backgrounds (low income, first-generation in college) into materials research. It begins as early as PreK-12 with outreach activities to make youth aware of exciting and rewarding research careers in materials, and then doing actual research during their college studies starting at freshman and sophomore levels.

news release

Congratulations to the 2021 MRS Fellows!

Congratulations to the 2021 MRS Fellows!

Please join us in congratulating Professors Eric Stach and Shu Yang on being selected as Fellows of the Materials Research Society. MRS Fellows are recognized for “sustained and distinguished contributions to the advancement of materials research”.

Eric Stach was recognized “For the innovative development and application of in situ and operando methods for the characterization of nanoscale phenomena in materials, largely through transmission electron microscopy”.

Shu Yang was recognized “For outstanding contributions to the design, synthesis, assembly, and fabrication of responsive, foldable, and buildable soft and bioinspired materials, and for pioneering research on mechanical instabilities and photonic structures.”

You can read more about this award through the link below.

news release

Mark Licurse, Engages Students via Remote Learning and Tabletop SEM

Mark Licurse, Engages Students via Remote Learning and Tabletop SEM

This past fall, 2020, LRSM’s Director of Education and Outreach, Dr. Mark Licurse, and Prof. David Pope, Department of Materials Science and Engineering, developed a new online-only class “Failure Analysis of Engineering Materials.” The class was featured by Penn Engineering Today in an article by Melissa Pappas. The spin was that it was originally planned to be even more hands-on than other classes, focused on real-world problems and failures, but the pandemic forced them to start from scratch to ensure students could engage virtually. “We had designed this course to be very hands-on and expose students to real-world situations where materials fail, break or collapse, having potentially devastating consequences,” says Licurse. “We would ask students to act like detectives to figure out how and why a material had failed, showing the applicable significance of materials science and mechanical engineering.” 

Luckily, they were able to take many illustrative images using a new tabletop Scanning Electron Microscope, purchased with help of the Penn MRSEC. The resulting class was well-received with high levels of student engagement. Clearly the pandemic is changing all aspects of life, but from here the question will be how will this class’ success shape future versions of the class? This remains unknown, but lessons learned will immediately be applied to the LRSM’s Summer Course in Materials Science for High School Students (the Penn Summer Science Initiative).

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Arjun Yodh Receives Michael S. Feld Biophotonics Award

Arjun Yodh Receives Michael S. Feld Biophotonics Award

Please join us in congratulating Prof. Arjun Yodh, on being selected as the 2021 recipient of The Optical Society of America (OSA) Michael S. Feld Biophotonics Award. Arjun is being honored specifically for pioneering research on optical sensing in scattering media, especially diffuse optical and correlation spectroscopy and tomography, and for advancing the field of biophotonics through mentorship.

The Michael S. Feld Biophotonics Award honors Prof. Michael Feld for his fundamental contributions to applications of photonics technologies to solving biomedical problems.  Established in 2012, the Feld Biophotonics Award recognizes individuals for their innovative and influential contributions to the field of biophotonics, regardless of their career stage.  The scope of the award encompasses all areas of biophotonics ranging from fundamental optics discoveries in biology to development of new theoretical frameworks and novel instrumentation to clinical translational research for biomedicine. 

You can read more about this award through the link below.

Congratulations, Arjun on this well-deserved recognition.

news release

LRSM Serves Philadelphia Area High School Students in Penn No-cost Virtual Summer Program

LRSM Serves Philadelphia Area High School Students in Penn No-cost Virtual Summer Program

In July 2020, the LRSM contributed to the inaugural University of Pennsylvania Rising Scholar Success Academy (PennRSSA), a free-of-cost four-week summer program for rising seniors in the Philadelphia area. The entirely virtual program was a collaborative effort between the Provost’s Division of Student Engagement and 8 Schools of the university. The program consisted of both live and asynchronous learning with the purpose of immersing “… rising seniors in an academic, career, and post-secondary preparatory experience.” The LRSM provided content to 807 rising seniors (57.89% women, 41% underrepresented minority) from 82 different high schools in the area as part of the PennRSSA “Academy” portion of the program. Various materials science concepts were covered in the form of pre-recorded videos by Schuyler Patton, a local high school teacher, as well as supplemental readings, learning checks, and unit tests. The schedule also included two days of live engagement with the students, where Dr. Wallace facilitated an icebreaker and Q&A segment while Schuyler led the live demonstrations (i.e. Introduction to Materials & Cooking with Materials). Learn more about RSSA here.

news release

Agarwal Group Creates Helical Topological Exciton-Polaritons, a New Type of Quasiparticle

Agarwal Group Creates Helical Topological Exciton-Polaritons, a New Type of Quasiparticle

A study from MRSEC seed led by Ritesh Agarwal published in Science, reports a new type of quasiparticle, helical topological exciton-polaritons in a system of monolayer of tungsten sulfide strongly coupled to a photonic crystal. Exciton-polaritons, which are half-light half-matter quasiparticles inherit useful properties of their constituents but typically suffer from scattering losses. By creating a new type of topological insulator for polaritons, the Agarwal group demonstrated propagation of polaritons around sharp bends with no backscattering losses. In addition, due to spin-momentum locking, the polaritons with opposite spins (helicities) were transported to different directions. These studies were performed at relatively higher temperatures (200K) and without the need for strong magnetic fields, which make them promising for fundamental studies and device applications. Topological helical polaritons provide a new platform for developing robust and tunable polaritonic spintronic devices for classical and quantum information processing applications.

news release

Professor E. Ward Plummer, 1940-2020

Professor E. Ward Plummer, 1940-2020

Sadly, our friend, and former director of the LRSM, E. Ward Plummer, died suddenly and peacefully on July 23 in Baton Rouge, LA. Ward was a major player within the LRSM for many years. During his time at Penn, Ward led various interdisciplinary materials “Thrusts” (now called IRGs), and he was Director of the LRSM from 1990 to 1993. After leaving Penn, Ward served for many years on the LRSM external advisory board, until his death.

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Arratia, Yodh groups collaborate to elucidate connections between structure, relaxation, and applied stress during plastic deformation.

Arratia, Yodh groups collaborate to elucidate connections between structure, relaxation, and applied stress during plastic deformation.

A study conducted by graduate student Larry Galloway, post-doc Xiaoguang Ma, and faculty members Paulo Arratia, Douglas Jerolmack, and Arjun Yodh, provides new insights about how the microscopic structure (characterized by excess entropy) of disordered solids is related to the external stresses applied and to the resulting shifting motions of individual constituent particles during plastic deformation. The team conducted experiments on a two-dimensional colloidal solid sheared by the motion of small magnetic needle. The shearing force caused the solid to plastically deform, and concurrent video microscopy enabled tracking of the movements 50,000 particles in the solid.

Galloway, K.L., Ma, X., Keim, N.C., Jerolmack, D.J., Yodh, A.G., and Arratia, P.E., Scaling of relaxation and excess entropy in plastically deformed amorphous solids. Proceedings of the National Academy of Sciences, online published May 19, 2020 https://doi.org/10.1073/pnas.2000698117.

news release

Synthetic Nanovesicles Coated with Oligomannose Can Help Understanding Glycans on Coronavirus

Synthetic Nanovesicles Coated with Oligomannose Can Help Understanding Glycans on Coronavirus

A study from MERSEC Seed lead by Percec laboratory recently published in PNAS, reported a methodology to create cell-like nanovesicles coated with linear and branched oligomannose, which is widely presented on the surface of bacterias and viruses including coronavirus. Both linear and branched oligosaccharides synthesized by automated glycan assembly (AGA), with hydrophobic N-pentyl linkers, have been used to create Janus glycodendrimers via a new isothiocyanate–amine coupling reaction. These nanovesicles exhibiting lamellar surface morphologies, which mimic the recognition structures of cell-surface glycans (sugars) and viral glycoproteins. This methodology is likely to be useful in helping elucidate mechanisms of significance for translational medicine such as the camouflage functionality employed by viruses to evade recognition. This collaborative work was carried out by the labs of Percec from Penn Chemistry, Seeberger from Max Planck Institute of Colloids and Interfaces, Golm, Germany, Klein from Temple University, and Moeller from RWTH Aachen University.

news release

The LRSM Building Recreated in 'Minecraft'

The LRSM Building Recreated in 'Minecraft'

This image of the LRSM was built by Ben Hammel and Randy Chen (screenshot by Makarios Chung) for Penn “Minecraft.” A group of Penn students set up a Minecraft server and coordinated recreating the campus together over the last two weeks of March. Junior Andrew Guo first came up with the idea for a virtual Penn campus inspired by news of a Japanese elementary school graduation on “Minecraft.” The Penn students also interacted with other students at Columbia University and Brown University who were working on similar projects to set up possible Hunger Games-like challenges between schools.

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Eric Stach, New LRSM Director

Eric Stach, New LRSM Director

Eric Stach will be our new LRSM Director starting July 2020! Eric joined the Penn faculty in 2017 and is currently Professor of Materials Science and Engineering and Faculty Chair of the Nanoscale Characterization Facility in the Singh Center for Nanotechnology. In addition to academics, Eric has led efforts and centers at Lawrence Berkeley National Laboratory and Brookhaven National Laboratory, as well as in industry at Hummingbird Scientific which he co-founded. Eric takes over the reins from Arjun Yodh, who has directed the LRSM and its NSF-MRSEC since 2009.

press release

Recent Journal Covers Highlight MRSEC Activity

Recent Journal Covers Highlight MRSEC Activity

LRSM research is often made visible by cover images on technical journals. This slideshow highlights recent covers from research in the LRSM community. The research leading to these cover images are all based on MRSEC support, including direct support and MRSEC support for Shared Experimental Facilities.

more information

10th Annual Philly Materials Science and Engineering Day

10th Annual Philly Materials Science and Engineering Day

Saturday, February 1st, 2020 saw the 10th annual Philly Materials Science and Engineering Day, a day-long festival hosted by Drexel University Materials Science department and the Penn MRSEC. This event has been held annually since 2011 with an average annual attendance of 900+ people. This year, volunteers taught Materials Science concepts to elementary and middle school-aged students and their families with hands on demonstrations and workshops. For example, MEAM professor, Jordan Raney, demonstrated the utility of instability while PhD candidate Daniel Rosen, from Chris Murray’s MSE lab, illustrated the super-elastic phenomena of shape-memory alloy using a coil of NiTinol. Nearly half of the Philly Materials Day demo tables were staffed by 70+ graduate students, undergraduate students, and faculty from 15 LRSM-affiliated groups.

more information

Reconfigurable Nematic Liquid Crystal Drops

Reconfigurable Nematic Liquid Crystal Drops

A study from MRSEC IRG-3, recently published in Nature, reports on reversible shape transitions of spherical drops containing liquid crystals into a rich variety of non-spherical drop morphologies with unique internal structure. The collaborative work was carried out by graduate students Wei-shao Wei and Sophie Ettinger and PhD alum Yu Xia, in the labs of Arjun Yodh and Shu Yang. The unexpected discovery provides new understanding about how molecular polydispersity—a condition where the lengths of liquid crystal molecules vary widely—can drive simple droplets to change into unusual shapes. Observations and modelling reveal that chain length polydispersity plays a crucial role in driving these morphogenic phenomena, via spatial segregation. This insight suggests new routes for encoding network structure and function in soft materials.

news release

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Quick News Links

  • The 11th annual Philly Materials Day is virtual at www.phillymaterials.org
  • LRSM Awarded New PREM Grant news release
  • Shu Yang appointed chair in Materials Science and Engineering and Chinedum Osuji as chair in Chemical and Biomolecular Engineering
  • Eric Detsi Nanoscale Studies for ‘Next-gen’ Li-ion Batteries read article
  • Deep Jariwala, FE-FET could make chips more space efficient and powerful read article
  • Chinedum Osuji New Filtration Membranes with Uniform, One-nanometer-wide Pores read article
  • Liang Wu "Dials" in the Magnetism read article
  • Kane and Mele - Beyond Topological Insulators read article
  • Bo Zhen Named 2021 Sloan Research Fellow news release
  • Liang Wu studies new regime for analyzing properties of topological materials news release
  • Marija Drndić group fabricate materials with single atom-sized pores for liquid and gas filtration. news release
  • Eleni Katifori, awarded the 2021 APS Early Career Award for Soft Matter Research. news release
  • Eric Stach & Zahra Fakhraai partner with others in initiative to advance solar energy research news release
  • Virgil Percec describes a new approach for creating realistic synthetic cells news release
  • Daeyeon Lee Named Evan C Thompson Term Chair for Excellence in Teaching news release
  • Shu Yang, other Penn Researchers, Archimedic and NextFab address the facemask shortagemore at Open Medical
  • Douglas Jerolmack and Paulo Arratia find the size of particles matters news release
  • Agarwal & Feng describe novel ways of increasing information density in optical communication networks news release
  • Randy Kamien uses LRSM testing equipment on Kirigami designs news release
  • Eleni Katifori describes how vascular networks create a diverse array of structures and designs.  news release
  • Andrea Liu researches materials with 'memory' news release
  • Liang Wu Receives the William L. McMillan Award, Forbes 30 Under 30  news release
  • Liang Feng is Working on New Topological Insulators That Reroute Photonic ‘Traffic’  news release
  • Marija Drndić Organizes NSF Workshop "Enabling Quantum Leap"  news release
  • Zhen & Mele Discover New Topological Phases news release
  • LRSM's Xeuss 2.0 X-ray scattering instrument is helping the Murray group design better fuel cells news release
  • Agarwal, Kane, Mele, and Rappe Research Quantum Materials That Can Be Controlled With Light news release
  • Shu Yang Demonstrates Reversible Adhesive That Works Like Snail Slime news release
  • Lee Bassett Designs Nanostructured Diamond Metalens For Compact Quantum Technologies news release
  • Bo Zhen is pushing the boundaries of optics news release
  • Ivan Dmochowski - Alan MacDiarmid Term Professor news release
  • Liang Feng - NSF Career Award news release
  • Deep Jariwala - YIP Award news release
  • Charles Kane and Eugene Mele receive the BBVA Foundation Frontiers of Knowledge Award news release
  • Virgil Percec, the chemistry behind cellular communication news release
  • Lee Bassett Develops Room Temperature 2D Platform for Quantum Technology news release
  • Andrea Liu and Eleni Katifori characterize the limits of multitasking in biological networks news release
  • Marija Drndić insights into atomically thin materials using nanoscale images of 2D membranes news release
  • Charles Kane and Eugene Mele thank the Electrons while accepting their Breakthrough Prize news release
  • Randall Kamien and Mike Tanis - the Art of Kirigami news release
  • Igor Bargatin - Ultrathin, Ultralight ‘Nanocardboard’ news release
  • Zahra Fakhraai is the 2019 Recipient of the John H. Dillon Medal news release
  • Congratulations to LRSM-MRSEC faculty John C. Crocker & Shu Yang Elected to American Physical Society Fellowship news release
  • Shu Yang & Alison Sweeney "Inspired" Future with Giant Clams news release news article
  • Eric Stach & First JEOL NEOARM in the United States news release
  • Shu Yang & Randall Kamien are Making Complex 3-D Surfaces with 2-D Sheets news release
  • Kathleen Stebe, with Randall Kamien, reveal surprising insights into how cells respond to surface curvature news release
  • Raymond Gorte Elected to National Academy of Engineering news release
  • Zahra Fakhraai and Elizabeth Rhoades develop motion capture-like technology for tracking protein shape news release
  • LRSM Outreach is Living in a material world news release
  • Douglas Durian investigates phenomenon in foams in which the average bubble size grows larger news release
  • Kathleen Stebe & Randy Kamien Study Geometry's Role in Cell Behavior news release
  • Lisa Tran & Randy Kamien Demonstrate How to Control Liquid Crystal Patterns news release
  • Daeyeon Lee and Kathleen Stebe Develop Filters That Use Nanoparticles to Prevent Slime Build-up news release
  • Alison Sweeney & Shu Yang Mimick Giant clams to Enhance Biofuel Production news release
  • Shu Yang and KIST Researchers Offer Insights Into Lightweight Material That Expands With Heat  news release
  • The LRSM and other Penn Departments Focus on Helping Colleagues in Puerto Rico  news release
  • Charlie Johnson, Ivan Dmochowski, Jeffery Saven and Others Use New Type of Graphene Sensor to Answer a Fundamental Nanotechnology Question  news release
  • Dennis Discher, and Team, Engineer Macrophages to Engulf Cancer Cells in Solid Tumors.  news release
  • Arjun Yodh Discovers Why Drying Liquid Crystal Drops Leave Unusual ‘Coffee Rings’.  news release
  • Alison Sweeney reveals new findings on how Hatchetfish scatter light for camouflage.  news release
  • Zahra Fakhraai and Yue Zhang Discover a Surprising Property of Glass Surfaces news release
  • Penn Researchers, Lead by Virgil Percec, Push the Limits of Organic Synthesis news release
  • Charlie Johnson, and other MRSEC Researchers, Are Among the First to Grow a Versatile Two-dimensional Material news release
  • Cherie Kagan & Christopher Murray, along with Nader Engheta & James Kikkawa, Demonstrate a ‘Hybrid Nanomanufacturing’ System news release
  • Andrea Liu Helps Solve a Decades-old Question About Glass Transitions news release
  • Tom Lubensky PNAS Paper to Describe Mysterious Rafts in Membranes news release
  • Virgil Percec, Dan Hammer, Paul Heiney, Michael Klein - Cubic Membranes Might Provide Defense of Sick Cells. news release
  • Robert Carpick & Ju Li, Contribute to New Understanding of Friction on Graphene. news release
  • Arjun Yodh Named AAAS Fellow for seminal contributions to the field of experimental soft condensed matter physics, especially in optical measurements and applications in biophysics. news release
  • Penn MRSEC Team Develop Nanoscale ‘Muscles’ Powered by DNA news release
  • Eleni Katifori Finds Straightforward Way to Model Growth of Vein Networks news release
  • Zahra Fakhraai & Robert Riggleman receive 3-year, $1.2 million NSF grant to study molecule packing in ultra-thin glass films news release
  • Philip Nelson explains how he teaches programming in physics class. article
  • Mark Licurse engages Girard College seventh graders in a week-long science program. news release & photos
  • Shu Yang and Randall Kamien Aim to Develop a Nanotech Garment news release
  • Marija Drndić lab builds and tests transistors inside a microscope. news release ACS Nano
  • Andrea Liu elected to the National Academy of Sciences. news release
  • Randy Kamien Wins Prestigious Award in Liquid Crystal Science news release
  • Virgil Percec Puts a New Twist on Chirality news release
  • Amish Patel Demystifies the ‘Dewetting’ Process news release
  • Shu Yang Receives Heilmeier Research Award news release
  • Russell Composto, Zahra Fakhraai, and Daeyeon Lee are leading an international collaboration on Shelter Science news release
  • Dennis Discher Elected to the National Academy of Medicine news release
  • LRSM Faculty, Charlie Johnson and Marija Drndic, awarded $2 million EFRIs for 2D Materials news release
  • Shu Yang group design material that could help diagnose concussions news release
  • Marija Drndić & Jeffery G. Saven Use Nanoscopic Pores to Investigate Protein Structure news release
  • Alison Sweeney - Diving Deep for Alternative Energy news release
  • Ritesh Agarwal & Eugene Mele with Sajal Dhara Discover New Chiral Property of Silicon, With Photonic Applications. news release
  • Dennis Discher and LRSM Collaborators garner Physical Sciences Oncology Center from NIH. news release
  • Former LRSM Student, Krishan L. Luthra, Pioneers a Materials Breakthrough after Decades of Research. read more
  • Kathleen Stebe, Shu Yang, and Randall Kamien: Liquid-crystal-based Compound Lenses That Work Like Insect Eyes news release
  • Virgil Percec Develops Custom Artificial Membranes to Study the Molecular Basis of Disease news release
  • Cherie Kagan & Paulo Arratia - Penn Engineering 2015 Teaching Awards news release
  • New soft matter topical group of the American Physical Society led by Randall Kamien read more
  • Gazette article on Charles Kane's discovery of topological insulators read article
  • Talid Sinno, John Crocker, Kathleen Stebe use 'Soft' Nanoparticles to Model Behavior at Interfaces news release
  • Arjun Yodh and Tom Lubensky Discovers New Liquid Crystal Configurations news release
  • Robert Carpick helps explain Anti-wear Motor Oil Additive properties. news release
  • Nader Engheta & Zahra Fakhraai Develop a Way of Making Light-bending 'Raspberry-like Metamolecules' news release
  • Shu Yang, with help from Daniel Gianola, develop 'smart' windows. news release
  • David Srolovitz Elected to National Academy Of Engineering news release
  • Zahra Fakhraai Awarded Sloan Fellowship news release
  • Penn Student Chronicles the Emergence of Interdisciplinary Science Through Architecture news release
  • A.T. Charlie Johnson & Ritesh Agarwal Develop New Technique for Making Graphene Competitor, Molybdenum Disulfide news release
  • Philip Nelson discusses the ins and outs of authoring a science textbook news release
  • Shu Yang Named National Academy of Inventors Fellow news release
  • Randall Kamien and Shu Yang, Outline Basic Rules for Construction With a Type of Origami [ news release
  • Charles Kane and Eugene Mele, Win Benjamin Franklin Medal news release
  • Douglas Durian (U Penn) in collaboration with Remi Dreyfus (CNRS/Solvay), as part of the joint Compass laboratory, have studied the morphology of fingered flow in laboratory models of sandy soils with hydrogel particle additives. view paper
  • Alison Sweeney Receives 2014 Packard Fellowship in Science and Engineering read more
  • Arjun Yodh's group research helps uncover mechanism behind Solid-Solid Phase Transitions news release
  • Marija Drndic, Jennifer Lukes and Christopher Murray Study Nanocrystals by Passing Them Through Tiny Pores. news release
  • Virgil Percec, Paul Heiney: 'Onion' Vesicles for Drug Delivery news release C&EN article
  • Arjun Yodh Reappointed Director of LRSM read more
  • RET Alumn, Trey Smith receives Teacher as Hero Award read more
  • Charles Kane Elected to National Academy of Sciences news release
  • Philadelphia Science Festival 2014 read more
  • Science at the Sixers with Matthew Lohr and Daniel Beller highlight
  • Paulo Arratia - ‘Design for Failure’ With Model Material news release
  • Tom Lubensky and Charles Kane are "Stretching Boundaries" read more
  • Yodh, Lubensky and Collings are Turning Water Droplets Into ‘Gemstones’ news release PNAS link
  • Randy Kamien: Planting a Liquid-Crystal Garden read more press release
  • Shu Yang: superhydrophobic coatings watch video
  • Stebe, Kamien & Yang Add Another Tool in Their Directed Assembly Toolkit read more
  • Karen Winey: Computer Model That Will Help Design Flexible Touchscreenss read more
  • Dennis Discher and Stem Cell Differentiation read more
  • Kagan group ground breaking research published in ACS Nano demonstrates in-situ repair of nanocrystal surfaces allows large-area nanocrystal device fabrication in air and solvents. read article in ACS Nano
  • Research by Arjun Yodh of Physics and Astronomy indicates that stuttering may be caused by blood flow and hemodynamic changes in parts of the brain that control speech. read more
  • Dawn Bonnell, NBIC Director, appointed to Vice Provost for Research
  • MRSEC Team members win a $2 million, four-year NSF grant
  • Randy Kamien named Simons Investigator
  • Drndic: Advance in Nanotech Gene Sequencing Technique
  • LRSM-COMPLOIDS Workshop on Soft Matter April 17-19
  • Jennifer A. Lewis, "Printing Functional Materials" 3:00PM, LRSM Auditorium poster
  • Dennis Discher: "Protein 'Passport' That Help Nanoparticles Get Past Immune System" highlight
  • Dawn Bonnell Elected to National Academy of Engineering press release
  • Crocker & Sinno Use DNA to Make Crystals That Can Switch Configurations press release
  • Yodh, Durian groups Show Math Behind Growth of 'Coffee Rings' press release
  • Randall Kamien and Tom Lubensky, Help Create 'Recipe Book' for Building New Materials. press release
  • Penn team making waves with liquid crystals read more press release
  • SAS Interview with Charles Kane on Topological Insulators read article
  • LRSM Science Café @ World Cafe Live read more
  • Russell J. Composto receives NSF Special Creativity Award read more
  • Facilities for Nanotechnology in Philadelphia workshop 1.8.13 more info
  • Daeyeon Lee on crack-free nanoparticle films read more
  • Charles Kane Named Simons Investigator and Awarded $500,000 Grant read more
  • Watch video recorded during LRSM's 50th Celebration! watch the videos
  • Charles Kane Named Simons Investigator and Awarded $500,000 Grant read more
  • Kathleen Stebe Shows New Way of Assembling Particles Into Complex Structures read more
  • Daniel Hammer: Natural Plant Protein Into Drug-delivery Vehicles read more
  • Charlie Johnson Expands the Use of Carbon Nanotubes read more
  • Celebrating LRSM's 50th! read more
  • PREM Event: The New Science of Disordered Materials view poster
  • 2nd COMPASS Symposium March 28, 2012 view poster
  • Dennis Discher Elected to National Academy of Engineering read more
  • Philly Materials Science and Engineering Day, February 4, 2012 read more
  • Lukes and Winkelstein named 2012 Penn Fellows
  • Charlie Kane, 2012 Oliver E. Buckley Prize more
  • LRSM-NIMS Materials Workshop read more
  • Inside cover Advanced Materials, December 8, 2011 read article
  • LRSM awarded a six-year MRSEC grant from the NSF read more
  • Sensing membrane stress with near IR-emissive porphyrins