Research interests

Studies of polymer dynamics; material aging and compatibility; chemical forensics; reactivity, transport, and decontamination of chemical threats; consequence management; advanced material characterization; environmental systems; national security policy. 

 

Current position(s)

Materials Science & Chemistry Lead, W87-1 Modification Program

 

Career path

• Deputy Chemistry Lead, W80-4 Life Extension Program (2019-2021)
• Team Leader: Enhanced Surveillance Campaign, Non-Nuclear Materials (NNM) Major Technical Effort (MTE) (2006-2019)
• Scientific Staff:  LLNL’s Forensic Science Center (2003-2021)  
  • Postdoc Program Director: 
  • Physical and Life Sciences Postdoc Program (2016-2020)
• Chemistry & Materials Science Postdoc Program (2004-2006)
• Group Leadership: 
  • Forensic Science & Assessments Group (GL 2014-2016; DGL 2010-2014)
  • Weapon Materials Compatibilty & Aging Group (2006-2010) 

Subject Matter Expertise 

Materials Aging & Compabitility, Nuclear Magnetic Resonance (NMR) Spectroscopy, Polymer Aging/Degradation

Graduate Certificate in National Security Affairs, Texas A&M University, George Bush School of Government and Public Service

Ph.D., Physical Chemistry, University of California at Davis, CA

B.A. with high honors, Chemistry, Mount Holyoke College, South Hadley, MA

Full publication list Google Scholar|Scopus   Selected publications 1. Maiti, A., Small, W., Lewicki, J.P., Chinn, S.C., Wilson, T.S., Saab, A.P. Age-aware constitutive materials model for a 3D printed polymeric foam (2019) Scientific Reports, 9 (1). 2. Sawvel, A.M., Chinn, S.C., Gee, M., Loeb, C.K., Maiti, A., Mason, H.E., Maxwell, R.S., Lewicki, J.P. Nonideality in Silicone Network Formation via Solvent Swelling and 1 H Double-Quantum NMR (2019) Macromolecules, 52 (2), pp. 410-419.  3. Maiti, A., Small, W., Lewicki, J.P., Weisgraber, T.H., Duoss, E.B., Chinn, S.C., Pearson, M.A., Spadaccini, C.M., Maxwell, R.S., Wilson, T.S. 3D printed cellular solid outperforms traditional stochastic foam in long-term mechanical response (2016) Scientific Reports, 6, 24871. 4. Mayer, B.P., Chinn, S.C., Maxwell, R.S., Reimer, J.A. Solid state NMR investigation of γ-irradiated composite siloxanes: Probing the silica/polysiloxane interface (2013) Polymer Degradation and Stability, 98 (7), pp. 1362-1368. 5. Mayer, B.P., Lewicki, J.P., Chinn, S.C., Overturf, G.E., Maxwell, R.S. Nuclear magnetic resonance and principal component analysis for investigating the degradation of poly[chlorotrifluoroethylene-co-(vinylidene fluoride)] by ionizing radiation (2012) Polymer Degradation and Stability, 97 (7), pp. 1151-1157.  6. Kuo, I.-F.W., Grant, C.D., Gee, R.H., Chinn, S.C., Love, A.H. Determination of the surface effects on sarin degradation (2012) Journal of Physical Chemistry C, 116 (17), pp. 9631-9635.  7. Gee, R.H., Kuo, I.-F.W., Chinn, S.C., Raber, E. First-principles molecular dynamics simulations of condensed-phase V-type nerve agent reaction pathways and energy barriers(2012) Physical Chemistry Chemical Physics, 14 (10), pp. 3316-3322.  8. Chinn, S.C., Alviso, C.T., Berman, E.S.F., Harvey, C.A., Maxwell, R.S., Wilson, T.S., Cohenour, R., Saalwächter, K., Chassé, W. MQ NMR and SPME analysis of nonlinearity in the degradation of a filled silicone elastomer (2010) Journal of Physical Chemistry B, 114 (30), pp. 9729-9736.  9. Maxwell, R.S., Chinn, S.C., Giuliani, J.R., Herberg, J.L., Probing degradation in complex engineering silicones by 1H multiple quantum NMR Polymer Degradation and Performance,Eds. M.C. Celina, J.S. Wiggins, N.C. Billingham, Washington, DC:  American Chemical Society, 2009, 170-179 10. Gjersing, E., Chinn, S., Giuliani, J.R., Herberg, J., Maxwell, R.S., Eastwood, E., Bowen, D., Stephens, T. Investigation of network heterogeneities in filled, trimodal, highly functional PDMS networks by 1H multiple quantum NMR (2007) Macromolecules, 40 (14), pp. 4953-4962.  11. Herberg, J.L., Chinn, S.C., Sawvel, A.M., Gjersing, E., Maxwell, R.S. Characterization of local deformation in filled-silicone elastomers subject to high strain - NMR MOUSE and Magnetic Resonance Imaging as a diagnostic tool for detection of inhomogeneities (2006) Polymer Degradation and Stability, 91 (8), pp. 1701-1710.  12. Chinn, S.C., Wilson, T.S., Maxwell, R.S. Analysis of radiation induced degradation in FPC-461 fluoropolymers by variable temperature multinuclear NMR (2006) Polymer Degradation and Stability, 91 (3), pp. 541-547.  13. Chinn, S., DeTeresa, S., Sawvel, A., Shields, A., Balazs, B., Maxwell, R.S. Chemical origins of permanent set in a peroxide cured filled silicone elastomer - Tensile and 1H NMR analysis (2006) Polymer Degradation and Stability, 91 (3), pp. 555-564.  14. Maxwell, R.S., Chinn, S.C., Solyom, D., Cohenour, R. Radiation-induced cross-linking in a silica-filled silicone elastomer as investigated by multiple quantum 1H NMR (2005) Macromolecules, 38 (16), pp. 7026-7032.   For a full publication list, see Scopus

• 2023 Weapons and Complex Integration Gold Award
• 2014 Highlighted in DOE’s Women@Energy Program 
• 2013 Global Security Directorate Gold Award
• 2008 Global Security Directorate Gold Award
• 2007 CMLS Associate Director Exceptional Service Award
• 2007 CMLS Associate Director Distinguished Service Award
• 2007 Mary Lyon Award for Young Alumnae, Mount Holyoke College
• 2006 Defense and Nuclear Technologies Award
• 2006 CMLS Associate Director Distinguished Service Award
• 2005 CMS Associate Director Exceptional Service Award
• 2005 CMS Associate Director Distinguished Service Award
• 2005 Best Poster Award, Materials Research Society 2005 Spring Meeting
• 2002 Graduate Student Cash Merit Award, UC Davis Department of Chemistry
• 1998 Outstanding Teaching Assistant Award, UC Davis Department of Chemistry
• 1997 Mary Lyon Scholar, Mount Holyoke College
• 1997 Elected to Sigma Xi Scientific Research Society

Additional Training

LLNL/UC-Berkeley Haas School of Business Leadership Institute (2012-2013)

LLNL-Texas A&M University National Security Leadership Program (2012-2013)

• Graduate Certificate in National Security Affairs
• Scowcroft Institute National Security Leadership Program Fellow

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