News

2024

Sept. 5, 2024: Cecelia Cashin received a Luther and Alice Hamlett Undergraduate Research Scholarship to support her research on sterol modifications of lipid membranes. Congratulations, Cecelia!!

August 26, 2024: Chathurika Arachchige joined our lab as a graduate student. Welcome to the group, Chathurika!

July 25, 2024: Dinidu received a Graduate School Doctoral Assistantship for Spring 2025. Congratulations, Dinidu!

July 23, 2024: Teshani successfully defended her doctoral project! She will be starting a postdoctoral position soon in Cecilia Leal’s group at the University of Illinois Urbana-Champaign. Many congratulations, Dr. Kumarage!!

June 25, 2024: Teshani presented her latest findings on unified scaling behavior of membrane elasticity at the American Conference for Neutron Scattering (ACNS) in Knoxville. Well done, Teshani!

June 17-20, 2024: Rana participated in the Santa Fe Meeting on Biological Membranes and Membrane Proteins organized by Greg Voth. Thanks for the invitation, Greg!

May 21, 2024: Our paper with the Barrera group at the University of Tennessee Knoxville was accepted for publication at BBA Biomembranes! This study shows that pH Low Insertion Peptide (pHLIP) can significantly suppress membrane thickness fluctuations, as uniquely shown by neutron spin-echo spectroscopy.

March 18-19, 2024: Surya and Teshani gave talks on their membrane projects at the Biomembrane Structure, Mechanics & Dynamics Symposium at the ACS Spring Meeting in New Orleans!

March 4-5, 2024: Rana organized and chaired the Biomembrane session at the APS March Meeting in Minneapolis. Lots of exciting and informative talks!

March 3, 2024: Teshani and Nick presented their latest studies on lipid membranes at the APS March Meeting!

Feb 16, 2024: Rana received the Alumni Award for Excellence in Graduate Academic Advising – given to one faculty member at Virginia Tech ” who serves advisees in exemplary ways”. Read the news story here and here.

Jan. 29, 2024: Rana gave an invited colloquium in the Materials Science and Engineering Department at the University of Illinois Urbana-Champaign. Thanks to Prof. Cecilia Leal for the kind invitation!

Jan. 24-14, 2024: Rana attended the APS leadership meeting in Washington, D.C. as the chair of the APS Committee on the Status of Women in Physics (CSWP).

2023

Nov. 19, 2023: Teshani’s and Nick’s review on the effects of molecular and nanoscopic additives in lipid membranes was published in Frontiers in Physics! Congratulations, Teshani and Nick! This was Nick’s first paper, so double congrats, Nick!!

Nov. 16, 2023: Hadi’s paper on the synthesis and characterization of nanofluidic channels with stimuli responsive brushes was accepted for publication in the Journal of Applied Materials and Interfaces! This paper was a true testament to international collaborative research combining expertise in Anthony Ryan’s group at the University of Sheffield, Chris Ober’s group at Cornell, and our group at Virginia Tech. Many congratulations to all!

Nov. 9, 2023: Our paper with the Matson group on the synthesis and characterization of bottlebrush polymers was accepted for publication in Macromolecules! The paper features work by graduate student Hadi Rahmaninejad. Congratulations to all!!

Aug. 30, 2023: Prof. Alaa Eftaiha joined our lab as a visiting scholar from the Hashemite University. Welcome to the group, Prof. Eftaiha!

Aug. 15, 2023: Dinidu Hathnagoda joined the lab as a graduate student. Welcome to the group, Dinidu!

July 27, 2023: REU student Al Mercedes Casado received the best poster prize award at the Physics conference for undergraduate summer research. Congratulations, Al!

June 1, 2023: Dr. Suryabrahmam Buti joined our lab as a research associate. Welcome to the group, Surya!

May-July 2023: Our lab hosted two REU students, Al Mercedes Casado from Williams College and Emma Lee Kinsey from Scripps College. Welcome to the group Al and Emma! What a productive summer!

May 5, 2023: Eleni Ziu was selected to participate in the REU program at the University of Colorado, Boulder. Congratulations, Eleni!

April 29, 2023: Nick Morris was selected as a Future STEM Leader of VA at the VA Soft Matter workshop! Congratulations, Nick!! Nick, Maria, and Eleni also gave poster presentations of their research at the workshop.

April 29, 2023: Rana gave an invited talk at the VA Soft Matter workshop.

March 10, 2023: Eleni was selected by the NANO Scholarship Committee to receive an Alice and Luther Hamlett Scholarship! Congratulations, Eleni!!

Feb. 28, 2023: Teshani was selected as the recipient of the 2023 prestigious Tipsword graduate scholarship from the Physics department! Many congratulations, Teshani!!

Jan. 22, 2023: Eleni received a prize for her poster presentation at the conference for undergraduate women in physics (CUWiP) that was held in Princeton! Many congratulations, Eleni!!

Jan. 17, 2023: Teshani and Nick did their first neutron reflectometry experiment on the liquid reflectometer at Oak Ridge National Lab. Nick also performed his first AFM experiment at CNMS! So many firsts!!

2022

Dec. 7, 2022: Hadi successfully defended his Ph.D. project. He will be heading to the University of Southern California for a postdoctoral position. Congratulations, Dr. Rahmaninejad!

Nov. 20, 2022: Undergraduate students Maria and Eleni Ziu were accepted to the 2023 APS Conference for Undergraduate Women in Physics (CUWiP)! They will be presenting their posters at Princeton in January! Well done, Maria and Eleni!!

Oct. 7, 2022: Teshani was selected to participate in the ORNL Neutron Scattering Graduate Research Opportunity. She will be 1 of 7 students to participate in this program and will spend 4-6 months at ORNL to perform her proposed project with Dr. John Katsaras. Many congratulations, Teshani!!

July 29, 2022: Chi successfully defended his Master’s project! Congratulations, Chi!!

July 27, 2022: Rana and collaborator, Kevin Edgar, received an MII ICSP grant to support their project titled “Synergistic Molecular Designs Towards Stable, Biocompatible Vaccine Nanocarriers”! Graduate students Teshani Kumarage and Fiorella Mazzini are excited to start working on this project!  Read the story here.

May 5, 2022: Rana and collaborator, Daniel Capelluto, received an award from the Dean’s Discovery Fund to investigate principles of pro-autophagic membrane remodeling! Read the story here.

April 20, 2022: Nick Morris joined the Ashkar Lab as an undergraduate researcher. Welcome to the group, Nick!

April 19, 2022: Teshani received an outstanding oral presentation award at the Center for Soft Matter and Biological Physics Symposium! Congratulations, Teshani!

April 19, 2022: Hadi received an outstanding poster award at the Center for Soft Matter and Biological Physics Symposium! Congratulations, Hadi!

April 15, 2022: Wally Borden accepted a graduate fellowship from Syracuse! Congratulations, Wally! And best of luck in graduate school!!

April 14, 2022: Teshani received the departmental Wan-Zia Graduate Fellowship!! Many congratulations, Teshani!

March 22, 2022: Rana was featured in the video of the Second Target Station at Oak Ridge National Lab! Watch the video here.

Feb. 22, 2022: Teshani gave a well-received platform talk at the Biophysical Society Meeting! Co-authors on this talk included undergraduate student, Wally Borden, and our collaborators at Oak Ridge National Lab.

Feb. 3, 2022: Hadi received the Center for Soft Matter and Biological Physics travel award to attend the 2022 ACS Spring Meeting. Congratulations, Hadi!

Jan. 13, 2022: Teshani was an invited attendee at the 2022 International Young Leaders Forum run by the American Physical Society. Well done, Teshani!

2021

Nov. 24, 2021: Teshani received a BPS travel award to attend the 2022 BPS Meeting! Congratulations, Teshani!!

Aug. 11, 2021: Rana was invites to give a plenary talk at the SNS-CNMS joint user meeting.

Aug. 3, 2021: Rana gave an invited talk at the 71st Annual Meeting of the American Crystallographic Association.

Aug. 3, 2021: Rana’s Soft Matter Emerging Investigator profile was featured on the Soft Matter Blog. Check it out here.

July 12, 2021: Prof. Ashkar was awarded an EAGER grant from NSF-MCB to investigate the effect of topography on lateral lipid organization.

July 8, 2021: Sudipta’s and Rana’s review on lipid membrane dynamics was published in the 2021 Soft Matter Emerging Investigators Issue and was featured on the Journal Back Cover. Congratulations, Sudipta!

June 1, 2021: Undergraduate student, Wally Borden, joined the lab to do hands-on experiments on lipid membranes with engineered additives. Welcome to the group, Wally!

May 20, 2021: Prof. Ashkar and colleague, Prof. Sanket Deshmukh, are the recipients of a Jeffress Trust Award! They will be looking into molecular regulation of lipid rafts as a means to reverse pathology.

May 11, 2021: Undergraduate Julie Nguyen graduated from the Physics program at Virginia Tech and will be pursuing her passion in medicine. Congratulations, Julie! We will miss your presence in the lab.

April 29, 2021: Hadi was inducted into the Sigma Pi Sigma Society! Congratulations, Hadi!!

April 13, 2021: Teshani gave her first conference talk at the Biomembrane Structure, Mechanics & Dynamics Symposium of the ACS Spring Meeting. Well done, Teshani!

March 24, 2021: Hadi received an achievement award from the APS Division of Soft Matter Physics for his talk at the APS March Meeting on dynamical theory analysis of offspecular signals. Thanks to APS-DSOFT and congratulations to Hadi!

March 12, 2021: Rana gave an invited colloquium in the Department of Physics at the College of William and Mary. Thanks to Prof. Justin Stevens for the invite!

Feb. 8, 2021: Dr. Sudipta Gupta joined the lab as a senior research associate. Welcome to the group, Sudipta!

2020

Dec. 8, 2020: Rana was elected as a Member-at-Large to the Executive Committee of the SNS/HFIR User Group! Her term starts in January 2021.

Dec. 3, 2020: Rana was elected as a Member-at-Large to the Executive Committee of the APS Division of Biological Physics! Her term starts in March 2021.

Sept. 16, 2020: Rana was invited for a virtual seminar at the University of South Florida. Thanks to Prof. David Simmons and Prof. Ryan Toomey for the invite!

Sept. 4, 2020: We are in the news! Check the media coverage of our PNAS paper! You can read the story on VT News, EurekAlert, Science Magazine, Science Daily, or Medical News.

August 25, 2020: Our PNAS paper on the stiffening effect of cholesterol is now published and can be accessed using this link.

August 3, 2020: Rana’s paper with collaborators at NIST was accepted for publication in PNAS!! Check it out here.

July 20, 2020: Our paper on the mesoscopic effects of cholesterol in unsaturated lipid membranes was accepted for publication in PNAS!!

July 15, 2020: Teshani did her first neutron reflectometry experiment “virtually” at SNS! Thanks to the reflectometry team for making this happen!

June 2, 2020: We got neutron beamtime on the liquid reflectometer at SNS to look into viral protein association with model pulmonary membranes! We are so excited about this opportunity!

May 5, 2020: Alison and Liam are now Physics graduates! Congratulations, Alison and Liam! We will miss you.

May 1, 2020: Alison Gaylord and Julie Nguyen were inducted into the Sigma Pi Sigma Honor Society! Congratulations, Alison and Julie!

April 1, 2020: Julie received a fully funded summer internship from the VT Materials DA to do neutron scattering on lipid membranes at ORNL!! Congratulations, Julie!!

March 31, 2020: Rana’s invited tutorial on quasielastic neutron scattering applications in polymer science was published in the Journal of Applied Physics and was selected as a Featured Article!!

March 6, 2020: Rana’s paper with collaborators from Sheffield University was published in Applied Physics Letters!

Jan. 21, 2020: Alison Gaylord and Liam Weston joined the lab for their senior projects! Welcome, Alison and Liam!

Jan. 21, 2020: Hadi Rahmani joined our group as a graduate student! Welcome, Hadi!

Jan. 10, 2020: Teshani and Chi did their first experiment at ORNL! Way to go, Teshani and Chi!

2019

Dec. 3, 2019: Rana gave an invited talk at the MRS Fall Meeting in Boston.

Aug. 30, 2019: Teshani is the recipient of the College of Science Graduate opportunity fellowship. Congratulations, Teshani!

Aug. 26, 2019: Chi Chen joined our group as a graduate student. Welcome Chi!

Aug. 26, 2019: Teshani Omanthika joined our group as a graduate student. Welcome Teshani!

July 12, 2019: Our paper titled: “The influence of Curvature on Domain Sorting in Binary Mixture Membranes” was accepted for publication in Soft Matter!

June 18, 2019: Rana gave a keynote at the 93rd ACS Colloids & Surface Science Symposium in Atlanta, Georgia!

June 10-14, 2019: Saptarshi participated in the 10th Neutron Scattering Applications in Structural Biology Workshop (HANDS 2019) at Oak Ridge National Laboratory.

June 7, 2019: Prof. Ashkar won a Ralph E. Powe Junior Faculty Enhancement Award from Oak Ridge Associated Universities (ORAU)!

June 3, 2019: Physics undergraduate, Vince Vasudevan, joined the Ashkar Lab. Welcome, Vince!

April 5, 2019: Julie Nguyen received the Daniel C. & Delia F. Grant Scholarship! Congratulations, Julie!

April 3, 2019: Rana gave an invited  talk at the symposium on “Biomembrane Synthesis, Structure, Mechanics & Dynamics” at the 257th ACS National Meeting.

March 5, 2019: Rana gave a talk at the Biophysical Society Meeting, Baltimore, MD titled “Cholesterol affects the bending rigidity of DOPC membranes”.

March 4, 2019: Rana gave an invited talk at the DPOLY Symposium at the APS March Meeting, Boston, MA titled “Interfacial structure and dynamics in nanoparticle-polymer composites”.

March 3, 2019: Rana gave a Neutron Spin Echo tutorial at the DPOLY short course at the APS March Meeting, Boston, MA.

Feb. 15: Julie Nguyen was interviewed (Video) for a College of Science Video for winning her two poster awards!

Jan. 30, 2019: Rana gave an invited talk at the Solvay Seminar Series at the Macromolecular Innovation Institute at VT titled “It’s all about the interface: Neutron scattering insights into polymer nanocomposites”.

Jan. 19, 2019: Julie Nguyen attended the APS Conference for Undergraduate Women in Physics (CUWiP) for the first time at the College of William & Mary and won a Best Poster award. Congratulations Julie!

Jan. 10, 2019: Saptarshi Chakraborty joined our lab as a postdoc. Welcome Dr. Chakraborty!

Oct. 12, 2018: Prof. Ashkar gave a Keynote lecture at the WoPhys’18 conference at the University of Nebraska, Lincoln. Talk Title: “Playing Hide-and-Seek with Neutrons”.

Oct. 12, 2018: Julie Nguyen attended her first conference, WoPhyS ’18, at the University of Nebraska, Lincoln, and won a Best Poster award. Congratulations, Julie!

Sept. 22, 2019: Prof. Ashkar gave an invited talk at the 6th VA Soft Matter Workshop, Virginia Tech on “Nanoscale Structure and Dynamics in Polymer Nanocomposites”.

2018

June 27, 2018: Rana gave a talk at the 9th American Conference on Neutron Scattering, College Park, MD on “NSE Studies of the Effect of Cholesterol on DOPC Lipid Membranes”.

June 11, 2018: Rana gave an invited talk at the 9th Symposium on Neutron Scattering Applications in Structural Biology, Oak Ridge National Lab on “Topography and Fluctuations in Biomimetic Lipid Bilayers”.

May 16, 2018: Rana gave an invited talk at Virginia Tech’s Symposium on Soft Matter and Biological Physics.

Feb. 14, 2018: Rana gave an invited seminar at the Biomedical Engineering and Mechanics Department at VT titled “Towards Tunable Fluctuations and Controlled Topography in Biomimetic Lipid Bilayers”.