B. S., Biochemistry. Pennsylvania State University, University Park, PA
M. S., Plant Pathology, Pennsylvania State University, University Park, PA
Ph. D., Chemistry, University of Illinois at Chicago, Chicago, IL
Paul C. Trippier, Kristing Jansen Labby, Dustin D. Hawker, Jan Mataka, and Richard B. Silverman, “Target- and Mechanism-based Therapeutics for Neurodegenerative Diseases: Strength in Numbers", Journal of Medicinal Chemistry 2013, 56(8), 3121-3147
Memberships
American Chemical Society
BBH-212G
5500 North St. Louis Avenue
Chicago, IL 60625
United States
University of Michigan| PhD-Chemistry
Sorenson, BA; Westcott, DJ; Sakols AC; Thomas, JS; Anderson, P; Stojkovic EA; Tsonchev, S; Nicholson, KT, “Domain Structure of a Unique Bacterial Red Light Photoreceptor as Revealed by Atomic Force Microscopy”, MRS Proceedings, Vol. 1652, 2014, DOI: 10.1557/opl.2014.259.
Marie E. Kroeger, Blaire A. Sorenson, J. Santoro Thomas, Emina A. Stojkovic, Stefan Tsonchev, and Kenneth T. Nicholson, “Atomic Force Microscopy of Red-Light Photoreceptors Using Peak-Force Quantitative Nanomechanical Property Mapping,” J. Vis. Exp., in press.
Ken Nicholson is the corresponding author and was invited to submit this publication by the editor at the Materials Research Society Fall National Meeting.
F. G. Tobias, A. Gawedzka, M. S. Goldmeier, A. C. Sakols, E. A. Stojkovic, S. Tsonchev, and K.T. Nicholson, “Scanning Probe Microscopy of Bacterial Red-Light Photoreceptors”, Online Proceedings of the Materials Research Society, 2012, Vol. 1465, DOI: 10.1557/opl.2012.1006.
White, M. L., Reggie, S., Naguib, N., Nicholson, K., Gilliland, J., Walters, A., “The Preparation of World-Class Single Crystal Silicon Carbide Wafers Using High Rate Chemical Mechanical Planarization Slurries”, Materials Research Science Forum Vols., 2009, 600-603, 839-842.
Nicholson, K. T., Minton, T. K., Sibener, S. J., “Spatially Anisotropic Etching of Graphite by Hyperthermal Atomic Oxygen ” J. Phys. Chem. B., 2005, 109, 8476. ()
Recent Presentations:
Ken Nicholson, “Domain Structure of a Unique Red-Light Photoreceptor as Revealed by Atomic Force Microscopy” NEIU Faculty Research and Creative Activities Symposium (November 2013)
Ken Nicholson, “Domain Structure of a Unique Red-Light Photoreceptor as Revealed by Atomic Force Microscopy” Materials Research Society Fall National Meeting (Boston, MA, December 2013)
Ken Nicholson, “Domain Structure of a Unique Red-Light Photoreceptor as Revealed by Atomic Force Microscopy” NEIU Faculty Research and Creative Activities Symposium (November 2013)
“Blaire A. Sorenson, Daniel J. Westcott, Sarah A. Vorpahl, Alexandra C. Sakols, Emina A. Stojkovic, Stefan Tsonchev, and Ken T. Nicholson, “Structural Conformations of a Red-Light Photoreceptor Using Atomic Force Microscopy”, NEIU 3nd Annual Faculty Research & Creative Activities Symposium, November 2012
Ken Nicholson, “Domain Structure of a Unique Red-Light Photoreceptor as Revealed by Atomic Force Microscopy” Materials Research Society Fall National Meeting (Boston, MA, December 2013)
"Scanning Probe Microscopy of Bacterial Red-Light Photoreceptors" presented by K.T. Nicholson at the Materials Research Society Spring Meeting, 2012, San Francisco, CA.
"Structural Conformations of a Red-Light Photoreceptor Using Scanning Probe Microscopy", presented by K. T. Nicholson at the NEIU Faculty Research and Creative Activities Symposium, 2012, Chicago, IL.
BBH 218G
91Porn
5500 North St. Louis Avenue
Chicago, IL 60625
United States
Columbia University | Ph.D. - Chemistry
F. G. Tobias, A. Gawedzka, M. S. Goldmeier, A. C. Sakols, E. A. Stojkovic, S. Tsonchev, and K.T. Nicholson, “Scanning Probe Microscopy of Bacterial Red-Light Photoreceptors”, MRS Online Proceedings Library, 2012, 1465, mrss12-1465-ss07. (doi:10.1557/opl.2012.1006)
J.W. Ciszek, L. Huang, S. Tsonchev, Y. Wang, K.R. Shull, G.C. Schatz, M.A. Ratner, and C. Mirkin, “Assembly of Nanorods into Designer Superstructures: the Role of Templating, Capillary Forces, Adhesion, and Polymer Hydration,” ACS Nano, 4, 259 (2010).
S. Tsonchev, K.L. Niece, G.C. Schatz, M.A. Ratner, and S.I. Stupp, “Phase Diagram for Assembly of Biologically-Active Peptide Amphiphiles,” J. Phys. Chem. B, 112, 441 (2008).
S. Tsonchev, R.D. Coalson, A. Liu, and T.L. Beck, “Flexible Polyelectrolyte Simulations at the Poisson Boltzmann Level: A Comparison of the Kink-Jump and the Configurational Bias Monte Carlo Methods,” J. Chem. Phys. 120, 9817 (2004).
S. Tsonchev, A. Troisi, G.C. Schatz, and M.A. Ratner, “All-Atom Numerical Studies of Zwitterionic Peptide Amphiphiles, J. Phys. Chem. B 108, 15278 (2004).
S. Tsonchev, G.C. Schatz, and M.A. Ratner, “Electrostatically-Directed Self-Assembly of Cylindrical Peptide Amphiphile Nanostructures,” J. Phys. Chem. B 108, 8817 (2004).
S. Tsonchev, A. Troisi, G.C. Schatzz, and M.A. Ratner, “On the Structure and Stability of Self-Assembled Zwitterionic Peptide Amphiphiles: A Theoretical Study,” Nano Lett 4, 427 (2004).
S. Tsonchev, G.C. Schatz, and M.A. Ratner, “Screened Multipole Electrostatic Interactions at the Debye-Hueckel Level,” Chem. Phys. Lett. 400, 221 (2004).
SELECTED PRESENTATIONS
Fernando G. Tobias, Anna Gawedzka, Max S. Goldmeier, Alexandra C. Sakols, Sarah M. Vorpahl, Emina A. Stojkovic, Kenneth T. Nicholson, and Stefan Tsonchev, “Scanning Probe Microscopy of Bacterial Red-Light Photoreceptors”, NEIU 3nd Annual Faculty Research & Creative Activities Symposium, November 2012
“Assembly of Nanorods into Designer Superstructures: the Role of Templating, Capillary Forces, Adhesion, and Polymer Hydration,” 2011 Central Regional Meeting of the ACS, Indianapolis, IN, June 2011
seminar at Illinois State University, Normal, IL, April, 2011
NEIU First Faculty Research Symposium, NEIU, November 2010
," in Carbondale, Illinois, May 2009
, 39th Midwest Theoretical Chemistry Conference, Indiana University, Bloomington, IN, June 2007
Students from the group have presented at multiple venues, such as the SACNAS National and Regional Conferences, Conference in Chicago Heights, IL, February 2010, SCSE Summer Research Symposia at NEIU, Twentieth Annual Illinois Student Research Conference in Chicago, April 2009, at DePaul University in March, 2010, the Annual NEIU Student Research Symposia, and others.
BBH 218E
5500 North St. Louis Avenue
Chicago, IL 60625
United States
Postdoctoral Research
Northwestern University (2014 - 2017)
Graduate Studies
Ph.D. Inorganic Chemistry, The Ohio State University (2009 - 2014)
Undergraduate Studies
B.A. Chemistry and Integrated Science, Northwestern University (2005 - 2009)
N. P. Weingartz, M. W. Mara, S. Roy, J. Hong, A. Chakraborty, S. E. Brown-Xu, B. T. Phelan, F. N. Castellano, L. X. Chen, Excited-State Bond Contraction and Charge Migration in a Platinum Dimer Complex Characterized by X-ray and Optical Transient Absorption Spectroscopy, J. Phys. Chem. A, 2021, 125, 8891-8898.
S. E. Brown-Xu, M, Fumanal, C. Gourlaouen, L. Gimeno, A. Quatela, C. Thobie-Gautier, E. Blart, A. Planchat, F. Riobe, C. Monnereau, L. X. Chen, C. Daniel, and Y. Pellegrin, Intriguing Effects of Halogen Substitution on the Photophysical Properties of 2,9-(Bis)halo-Substituted Phenanthroline Copper(I) Complexes, Inorg. Chem., 2019, 58, 7730-7745.
R. A. Ando, S. E. Brown-Xu, L. N. Q. Nguyen, T. L. Gustafson, Probing the Solvation Structure and Dynamics in Ionic Liquids by Time-Resolved Infrared Spectroscopy of 4-(N,N-Dimethylamino)Benzonitrile, Phys. Chem. Chem. Phys. 2017, 19, 25151-25157.
S. E. Brown-Xu, M. S. J. Kelley, K. A. Fransted, A. Chakraborty, G. C. Schatz, F. N. Castellano, L. X. Chen, Tunable Excited-State Properties and Dynamics as a Function of Pt-Pt Distance in Pyrazolate-Bridged Pt(II) Dimers, J. Phys. Chem. A, 2016, 120, 543-550.
B. Pandit, N. E. Jackson, T. Zheng, T. J. Fauvell, E. F. Manley, M. Orr, S. E. Brown-Xu, L. Yu, L. X. Chen, Molecular Structure Controlled Transitions between Free-Charge Generation and Trap Formation in a Conjugated Copolymer Series, J. Phys. Chem. C, 2016, 120, 4189-4198.
N. D. Bernadino, S. E. Brown-Xu, T. L. Gustafson, D. L. A. De Faria, Time-Resolved Spectroscopy of Indigo and of a Maya Blue Simulant, J. Phys. Chem. C, 2016, 120, 21905-21914.
S. E. Brown-Xu, M. H. Chisholm, T. F. Spilker, Photophysical Studies of Metal to Ligand Charge Transfer Involving Quadruply Bonded Complexes of Molybdenum and Tungsten, Acc. Chem. Res., 2015, 48, 877-885.
S. H. Porter, Z. Huang, S. Dou, S. E. Brown-Xu, A. T. Sarwar, R. C. Myers, P. M. Woodward, Electronic Structure and Photocatalytic Water Oxidation Activity of RTiNO2 (R = Ce, Pr, and Nd) Perovskite Nitride Oxides, Chem. Mater., 2015, 27, 2414-2420.
S. E. Brown-Xu, M. H. Chisholm, C. B. Durr, T. L. Gustafson, T. F. Spilker, Photophysical Properties of cis-Mo2 Quadruply Bonded Complexes and Observation of Photoinduced Electron Transfer to Titanium Dioxide, J. Am. Chem. Soc., 2014, 136, 11428-11435.
Selected Presentations:
S. E. Brown-Xu*, Breaking Down Plastic Waste One Photon at a Time, Metropolitan State University of Denver invited presentation (remote), Sept. 2021.
D. Slezberg* and S. E. Brown-Xu, Computational Chemistry’s Pathway to Flexible Recycling, SCSE Symposium in Chicago, IL, Oct. 2020.
S. E. Brown-Xu*, J. Carlson, G. Brunger, Monitoring the Breakdown of Plastic Materials Under Ultraviolet and Visible Light, NEIU Faculty Research and Creative Activities Symposium in Chicago, IL, Nov. 2019.
S. E. Brown-Xu, M. H. Chisholm, T. L. Gustafson, Studies on Electron Transfer from Dimolybdenum Photosensitizers Through Time-Resolved Spectroscopy, Inter-American Photochemistry Society Conference (Sarasota, FL, January 2014).
Professional Experience:
Associate Professor of Chemistry at 91Porn (2023-present)
Assistant Professor of Chemistry at 91Porn (2017-2023)
Adjunct Professor of Chemistry at Harold Washington Community College (2016)
Postdoctoral Fellow at Northwestern University (2014-2017)
Awards:
NEIU Sabbatical Leave (2024)
NEIU Teaching Professional Excellence Award (2019)
NEIU Summer Research Stipend award (2018, 2021)
National Science Foundation Graduate Research Fellowship (2009)
National Defense Science and Engineering Graduate Fellowship (2009)
Room BBH 218F
91Porn
5500 North St. Louis Avenue
Chicago, IL 60625
United States
calendly.com/sbrownxu
Postdoctoral Research Associate
University of Arizona, Tucson, AZ, 1983-1987.
Ph.D. Analytical Chemistry
University of Manitoba, Canada, 1977-1982.
D. Sircar, S.J. Albazi, Y. Atallah and W. Pizzi. Validation and Application of a HPLC Method for Determination of Di(e-ethylhexyl) phthalate and Mono (2-ethylhexyl) phthalate in Liver Samples. J. Chromatographic Science, 46(7), 627-631 (2008).
P. Factor, G.Mutlu, L. Chen, J. Mohamed, A.Akhmedov, E. Lewis, M. Johnson, D. Kass, J. Martino, A. Xu, A. Bellmeyer, J. Albazi, C. Emala, H.T. Lee, L. G. Dobbs, and S. Matalon. “Adenosine Regulation of Alveolar Fluid Clearance” Proceedings of the National Academy of Science of the United States of America, 104 (10), 4083-4088 (2007).
D. Sircar, S.J. Albazi, Y. Atallah and W. Pizzi. Unified Reversed-phase Method for the Determination of Di(e-ethylhexyl) phthalate and its Major Metabolite, Mono (2-ethylhexyl) phthalate in Biological Samples. J. Liq. Chrom. Relat. Tech. 29, 2931-2942 (2006).
Eva Chugh and John Albazi “Method Development for determination of Di(2-ethylhexyl) phthalate and its Metabolite Mono(2-Ethylhexyl)Phthalate by Reversed-Phase Liquid Chromatography Transactions of the Illinois State Academy of Science, 98, 2005, 131-138.
SELECTED PRESENTATIONS
Mohammed A. Shaik and John Albazi, “Reversed-Phase Liquid Chromatography Analysis of Fenofirbric Acid and its Degradants in Finished Product,” NEIU 21st Annual Student Research and Creative Activities Symposium, April 2013
Darya Urupina and John Albazi, “Stability-Indicating Method Development and Validation for The Assay of Hydrochlorothizide and Determination of Impurities/Degradants in Raw Material Using Reverse-Phase Liquid Chromatography,” NEIU 21st Annual Student Research and Creative Activities Symposium, April 2013
John Albazi and Radonstina Miladinov “Simultaneous Determination of P-Phenylenediamine, Phenyl-N-Phenylenediamine and their Degradation Products Using Reversed-Phase Liquid Chromatography”, 58th Annual Pittcon Conference, Chicago (March 2007).
John Albazi and Nadia Ivanova, “Method Development and Validation for Simultaneous Determination of Famotidine and Aspartic acid in Pepcid after Derivitization with 9-Fluorenylmethyl Chlorofformate Using Reversed-Phase Liquid Chromatgoraphy” 58th Annual Pittcon Conference, Chicago (March 2007).
John Albazi and Niroshi Kankanamge “Method Development and Validation for Simultaneous Determination of Beclomethasone Dipropionate, Benzalkonium Chloride, and Phenylethyl Alchohol in Biconase Nasal Spray Using Reversed-Phase Liquid Chromatography”, 57h Annual Pittcon Conference, Florida (March 2006).
MS Thesis Advisor
Neval Akbas “Method Development and Validation for Determination of Adenosine in Biological Samples using Reversed-Phase Liquid Chromatography” Defended (August 2007).
Yongjing Wang “Stability Indicating High Performance Liquid Chromatography Method for Determination of Levofloxacin in Raw Material and Drug Product.” Defended (May 2007).
Radostina Miladinov “Investigation of Hair Color Dyeing Process Using Reversed-Phase Liquid Chromatography”.” Defended (May 2007).
Jivka S. Ivanova “Method Development and Validation for the Determination of Leuprolide Acetate in an Injectable Formulation Using Reversed-Phase Liquid Chromatography.” Defended (December 2006).
Richard Tyler “Method Development and Validation for the Separation and Determination of R-Isomer in Levaquin (Levofloxacin Injection).” Defended (May 2006).
Neyazi Haddadin “Challenges in Method Development when Separating a Complex Basic Sample Using Liquid Chromatography” Defended (May 2006).
Nadia D. Ivanova “Method Development and Validation for Simultaneous Determination of Famotidine and Aspartic Acid in Pepcide Pharmaceutical Product Using Reversed-Phase Liquid Chromatography.” Defended (December 2006).
Niroshi Kankanamge “Method Development and Validation for Simultaneous Determination of Beclomethasone Dipropionate, Benzalkonium Chloride, and Phenylethyl Alchohol in Biconase Nasal Spray Using Reversed-Phase Liquid Chromatography.” Defended (December 2005).
Patricia M. Finegan “Development of A Reversed-phase HPLC Method For Screening Dietary Supplements for Isoflavone Content.” Defended (December 2005).
Debajit Sircar “Method Development and validation for Determination of Di(2-Ethylhexyl) phthalate and its Metabolite Mono(2-Ethylhexyl)Phthalate in Biological Samples using Reversed-Phase Liquid Chromatography.” Defended (December 2005).
Dipesh Shah “Method Development and Validation for the Determination of 1-Methyl-2-Pyrrolidone (NMP) in the Pharmaceutical Suspension D10010 Using High Performance Liquid Chromatography” Defended (March 2005).
Moawya Masry “Method Development and Validation for the Determination of Dehydronefedipine in Drinking Water Using High Performance Liquid Chromatography” Defended (April 2005).
Mario Flores “Method Development and Validation for the Determination of Menthyl and Anthranilinate and Padimate O using Reversed-Phase Liquid Chromatography” Defended (April 2004).
Jennifer Acurio “Acetylation Studies by Asprin on Amine Containing Controlled Substances Using GC/MS,” Defended (October 2003).
Yosuke Sato “Method Development and Validation for Determination of Aluminum by Reversed-Phase Liquid Chromatography,” Defended (February 2003).
Michael J. Hermanek “High Performance Liquid Chromatographic Method for Determination of APP-102 and its Impurities,” Defended (April 2002).
Karen Sent George “Method Development and Validation for the Determination of Cytochrome P450 (CYP450) Probe Substrate Metabolites in Biological Samples by LC-MS-MS.” Defended (March 2001).
Brent Kuckkan and John Albazi “Evaluation of Reversed-Phase High Performance Liquid Chromatography and Near-Infrared Spectroscopy For The Determination of Residual Lidocaine on Pharmaceutical Manufacturing Surfaces”. Defended (April 2001).
Heidi Anderson and John Albazi "High-Performance Liquid Chromatographic Method for Determination of the Residue of Triamcinolone Acetonide Lotion on Pharmaceutical Surfaces", Successfully Defended (September 2001).
91Porn
5500 North St. Louis Avenue
Chicago, IL 60625
United States
