Argonne National Laboratory

Colloquium Series

The Center for Nanoscale Materials holds a regular biweekly colloquium on alternate Wednesdays at 11:00 a.m. in Bldg. 440, Room A105/106. The goal of the series is to provide a forum for topical multidisciplinary talks in areas of interest to the CNM and also to offer a mechanism for fostering interactions with potential facility users.

Committee Members:

  • Xiao-Min Lin (Chair)
  • Pierre Darancet
  • Ralu Divan
  • Xuedan Ma
  • Elena Rozhkova
  • Jianguo Wen
Date TItle

May 3, 2017
11:00 am
Bldg. 440, A105-106

"Surface Defected Nanoceria Catalyzing Angiogenesis and its Implications in Wound Care", Sudipta Seal, University of Central Florida:  Host:  Elena Shevchenko

 

Angiogenesis is the formation of new blood vessels from existing blood vessels and is critical for many physiological and pathophysiological processes. In this study we have shown the unique property of redox active nanoparticles (Re-NPs) to induce angiogenesis, observed using both in vitro and in vivo model systems. In particular, Re-NPs trigger angiogenesis by modulating the intracellular oxygen environment and stabilizing hypoxia inducing factor 1alpha endogenously. Furthermore, correlations between angiogenesis induction and Re-NPs physicochemical properties including: surface valence state ratio, surface charge, size, and shape were also explored. High surface area and mixed valence states make these nanoparticles more catalytically active towards regulating intracellular oxygen, which in turn led to more robust induction of angiogenesis. Atomistic simulation was also used, in partnership with in vitro and in vivo experimentation, to reveal that the surface reactivity of NPs and facile oxygen transport promotes pro-angiogenesis. The talk will conclude with a nanoceria based optoelectronic sensors for biomarker detection.

May 17, 2017
11:00 am
Bldg. 440, A105-106

"Understanding Complex Biological Systems Using Modeling, Experiments, and Analytics", Payel Das, IBM Thomas J. Watson Research Center.  Host:  Subramanian Sankaranarayanan

 

Understanding the emerging collective behaviors in complex, dynamic biological systems remains a major challenge. In the first part of my talk, I will discuss use of synergistic experimental-simulation approaches to characterize oligonucleotide dynamics on a biosensor surface and disordered peptide dynamics in solution. In the second part of the talk, I will present application of graph embedding techniques to characterize dynamics of apparently high-dimensional systems, such as peptides and human brain.

May 24, 2017

11:00 am

Bldg. 440, A105-106

Maxim Nikitin, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region.  Host:  Elena Rozhkova

May 31, 2017
11:00 am
Bldg. 440, A105-106

Matteo Cargnello, Stanford University, Department of Chemical Engineering.  Host:  Elena Rozhkova

June 14, 2017
11:00 am
Bldg. 440, A105-106

Nianqiang (Nick) Wu, West Virginia University.  Host:  Gary Wiederrecht

 

June 28, 2017
11:00 am
Bldg. 440, A105-106

Melik Demirel, Pennsylvania State University.  Host:  Tijana Rajh

July 12, 2017
11:00 am
Bldg. 440, A105-106

Tijana Grove, Virginia Technical Institute, Grove Lab.  Host: Tijana Rajh

July 26, 2017
11:00 am
Bldg. 440, A105-106

Li Shi, University of Texas at Austin.  Host:  Sridhar Sadasivam

 

 

August 9, 2017
11:00 am
Bldg. 440, A105-106

Vidya Madhavan, University of Illinois at Urbana-Champaign.  Host:  Jeff Guest

 

 

August 23, 2017
11:00 am
Bldg. 440, A105-106

NO Colloquium

August 30, 2017

11:00 am

Bldg. 440, A105-106

Polina Anikeeva, Massachusetts Institute of Technology (MIT).  Host:  Elena Shevchenko

September 6, 2017
11:00 am
Bldg. 440, A105-106

Maxim Sukharev, Arizona State University.  Host:  Tal Heilpern

September 20, 2017
11:00 am
Bldg. 440, A105-106

Jeffrey Neaton, Lawrence Berkeley National Laboratory.  Host:  Pierre Darancet

 

October 4, 2017

11:00 am

Bldg. 440, A105-106

Tim Berkelbach, University of Chicago.  Host:  Pierre Darancet

 

October 18, 2017

11:00 am

Bldg. 440, A105-106

Mark Hybertsen, Brookhaven National Laboratory, Center for Functional Nanomaterials.  Host:  Pierre Darancet

November 1, 2017

11:00 am

Bldg. 440, A105-106

 

November 15, 2017

11:00 am

Bldg. 440, A105-106

 

November 29, 2017

11:00 am

Bdlg. 440, A105-106

NO Colloquium

December 13, 2017

11:00 am

Bldg. 440, A105-106