Ph.D., Chemistry,  Texas A&M University  at College Station, TX, May  2010

Dissertation:  Nanofabrication, Plasmon Enhanced Fluorescence and Photo-Oxidation Kinetics of CdSe Nanoparticles.

Co-advisors:  Prof. James D. Batteas, and  Prof. Paul S. Cremer

M.S., Chemistry,  Nankai University  at Tianjin, China, June  2002

Dissertation: Synthesis, Characterization, and Catalytic Application of Microporous Zeolites.

Advisor:  Prof. Naijia Guan

B.S., Chemistry,  Nankai University  at Tianjin, China, June  1999

Thesis: Oxygen Temperature-Programed Deposition (O2-TPD) Characterization of ZSM-5 Zeolite.

Advisor:  Prof. Naijia Guan

Postdoc., Chemistry, Rice University at Houston, TX, 2012-2014

Supervisor: Prof. Christy F. Landes

Postdoc., Chemistry, University of Wisconsin at Madison, WI, 2010-2012

 Supervisor: Prof. Robert J. Hamers

CURRICULUM VITAE

JIXIN CHEN

Professor

Ohio University

Department of Chemistry and Biochemistry

Athens, Ohio 45701-2979

740-593-9768

chenj@ohio.edu

https://www.ohio.edu/cas/chenj

https://scholar.google.com/citations?user=uqn7kcgAAAAJ&hl=en

Nationality: USA citizen.

PROFESSIONAL EXPERIENCE

·       Professor of Chemistry, Ohio University at Athens, OH, 08/2025 – present.

·       Associate Professor of Chemistry, Ohio University at Athens, OH, 08/2020 – 08/2025.

·       Assistant Professor of Chemistry, Ohio University at Athens, OH, 08/2014 – 08/2020.

·       Postdoc for Christy F. Landes, Rice University at Houston, TX, 07/2012 - 07/2014.

·       Postdoc for Robert J. Hamers, University of Wisconsin-Madison, WI, 07/2010 - 07/2012.

·       Graduate Research Assistant of Paul S. Cremer & James D. Batteas, Texas A&M University at College Station, TX, 09/2005 - 07/2010.

·       Graduate Research Assistant of Naijia Guan, Nankai University at Tianjin, China, 09/1999 - 06/2005.

Key scientific contributions:

·       Chemical Kinetics. Develop kinetic models, experiments, and algorithms for various problems such as COVID-19 spreading kinetics, biosensing, energy-related devices, diffusion and adsorption, surface chemical reactions, and single-molecule FRET.

·       Education. Train graduate and undergraduate students in various fields including chemistry, especially surface chemistry, biotechnology especially spectroscopies and microscopies, and materials science related to polymers, ceramics, thin films, nanoparticles, and devices.

EDUCATION

·   Ph.D., Chemistry, Texas A&M University at College Station, TX, May 2010

Dissertation: Nanofabrication, Plasmon Enhanced Fluorescence and Photo-Oxidation Kinetics of CdSe Nanoparticles.

Advisors: Prof. Paul Cremer and Prof. James Batteas

·   M.S., Chemistry, Nankai University at Tianjin, China, June 2002

Dissertation: Synthesis, Characterization, and Catalytic Application of Microporous Zeolites.

Advisor: Prof. Naijia Guan

·   B.S., Chemistry, Nankai University at Tianjin, China, June 1999

Thesis: Oxygen Temperature-Programed Deposition (O2-TPD) Characterization of ZSM-5 Zeolite.

Advisor: Prof. Naijia Guan

Academic Tree: https://academictree.org/chemistry/tree.php?pid=109715

GRANTS AND AWARDS

Grants:

1. NIH (Funded sole PI) Super-Resolution Optical Mapping for DNA Analysis Using Triplex-Forming Oligonucleotides as Stochastic Molecular Probes (renew funded), NIH R15, 2022, PI, $448,094 (PI)

2. NSF (Funded) MRI: Acquisition of A Matrix-Assisted Laser Desorption/Ionization Time-Of-Flight Mass Spectrometer to Enhance Research and Education. NSF MRI, 2020, $315,000 (co-PI)

3. OU (Funded) Spectrometer for Education and Research in Forensic Chemistry. Ohio University 1804 internal grant, 2019, $65,989 (co-PI)

4. NIH (Funded sole PI) Super-Resolution Optical Mapping for DNA Analysis Using Triplex-Forming Oligonucleotides as Stochastic Molecular Probes, NIH R15, 2018, PI, $451,682 (PI)

5.     OU (Funded) Ohio University OURC award, internal grant, 2015, $8,000 (PI)

Other awards:

·       2016-present Ohio University NQPI Research Challenge Award, internal grant $2,500/year

·       2018 Ohio University HTC Research Apprenticeship Award, internal grant $3,000

·       2015 Ohio University HTC Pilot Research Apprenticeship Award, internal grant $3,000

·       2014 Ohio University Startup Fund, $290,000

Before joining Ohio University

·       2010 Dow Chemical Graduate Fellowship Award, Texas A&M University

·       2009 E. Martell Travel Award, Texas A&M University

·       2009 Graduate Student Research and Presentation Travel Award, Texas A&M University

·       2007 Graduate Teaching Award, Department of Chemistry, Texas A&M University

·       2006 Graduate Teaching Award: Recognizing Excellence in Education, Department of Chemistry, Texas A&M University

TEACHING EXPERIENCE

Physical Chemistry lectures and laboratory

Physical Chemistry for online master's program

Surface and Interface Chemistry

Microscopy and Spectroscopy

PUBLICATIONS

GoogleScholar: https://scholar.google.com/citations?user=uqn7kcgAAAAJ

PEER-REVIEWED ARTICLES

1.    Deepani V Athapaththu, Tharushi D Ambagaspitiya, Andrew Chamberlain, Darrion Demase, Emily Harasin, Robby Hicks, David McIntosh, Gwen Minute, Sarah Petzold, Lauren Tefft, Jixin Chen, Physical Chemistry Lab for Data Analysis of COVID-19 Spreading Kinetics in Different Countries. 2024, ASAP. https://doi.org/10.1021/acs.jchemed.4c00015

2.    Markus Götz, Anders Barth, Søren S-R Bohr, Richard Börner, Jixin Chen, Thorben Cordes, Dorothy A Erie, Christian Gebhardt, Mélodie CAS Hadzic, George L Hamilton, Nikos S Hatzakis, Thorsten Hugel, Lydia Kisley, Don C Lamb, Carlos de Lannoy, Chelsea Mahn, Dushani Dunukara, Dick de Ridder, Hugo Sanabria, Julia Schimpf, Claus AM Seidel, Roland KO Sigel, Magnus B Sletfjerding, Johannes Thomsen, Leonie Vollmar, Simon Wanninger, Keith R Weninger, Pengning Xu, Sonja Schmid, Reply to: On the statistical foundation of a recent single molecule FRET benchmark, Nature Communications 2024, 15(1), 3626.   https://doi.org/10.1038/s41467-024-47734-2

3.    Deepani V Athapaththu, Martin E Kordesch, Jixin Chen, Monitoring Phase Separation and Dark Recovery in Mixed Halide Perovskite Clusters and Single Crystals Using In Situ Spectromicroscopy. J. Phys. Chem. Lett. 2024, 15(4), 1105-1111. https://doi.org/10.1021/acs.jpclett.3c03280

4.    Hanbin Mao, Jixin Chen. Quality Research Follows the Power Law. Journal of Scientometric Research 2023, 12(3), 570-576. https://doi.org/10.5530/jscires.12.3.054   

5.    Dinesh Gautam, Srijana Pandey, Jixin Chen. Effect of Flow Rate and Ionic Strength on the Stabilities of YOYO-1 and YO-PRO-1 Intercalated in DNA Molecules. J. Phys. Chem. B 2023, 127, 11, 2450–2456. https://doi.org/10.1021/acs.jpcb.3c00777

6. Jixin Chen. Why Should the Reaction Order of a Bimolecular Reaction be 2.33 Instead of 2? The Journal of Physical Chemistry A 126 (51), 9719-9725. https://doi.org/10.1021/acs.jpca.2c07500

7. Jixin Chen. Simulating stochastic adsorption of diluted solute molecules at interfaces. AIP Advances 2022, 12, 015318. https://doi.org/10.1063/5.0064140 

8. Annik Bernhardt, Tharushi D Ambagaspitiya, Martin E Kordesch, Katherine Leslee A Cimatu, Jixin Chen. In-situ ellipsometry measurements on the halide phase segregation of mixed halide lead perovskites. ChemPhysChem 2022, e202200022 https://doi.org/10.1002/cphc.202200022 .

9. Markus Götz, Anders Barth, Søren S-R Bohr, Richard Börner, Jixin Chen, Thorben Cordes, Dorothy A Erie, Christian Gebhardt, Mélodie CAS Hadzic, George L Hamilton, Nikos S Hatzakis, Thorsten Hugel, Lydia Kisley, Don C Lamb, Carlos de Lannoy, Chelsea Mahn, Dushani Dunukara, Dick de Ridder, Hugo Sanabria, Julia Schimpf, Claus AM Seidel, Roland KO Sigel, Magnus Berg Sletfjerding, Johannes Thomsen, Leonie Vollmar, Simon Wanninger, Keith R Weninger, Pengning Xu, Sonja Schmid. A blind benchmark of analysis tools to infer kinetic rate constants from single-molecule FRET trajectories. Nature Communications, 2022, 13, 5402. https://doi.org/10.1038/s41467-022-33023-3

10. Dylan Smith, Kristin Lauro, Dymond Kelly, Joel Fish, Emma Lintelman, David McEwen, Corrin Smith, Max Stecz, Tharushi Ambagaspitiya, Jixin Chen. Teaching undergraduate physical chemistry lab with kinetic analysis of COVID-19 in the United States. Journal of Chemical Education, 2022, https://doi.org/10.1021/acs.jchemed.2c00416

11. Juvinch R. Vicente, Wojciech M. Jadwisienczak, Savas Kaya, Jixin Chen. Influence of Lead Source on the Film Morphology of Perovskites Spin-Coated on Planar and Mesoporous Architectures under Ambient Conditions. J. Electr. Mater. 2022, 51, 1623-1631. https://doi.org/10.1063/5.0064140

12. Juvinch R Vicente, Martin E Kordesch, Jixin Chen*, Stabilization of mixed-halide lead perovskites under light by photothermal effects. Journal of Energy Chemistry, 2021, 63, 8-11. https://doi.org/10.1016/j.jechem.2021.08.046

13. Kelle Hart, Chelsea Thompson, Clay Burger, Dylan Hardwick, Amanda Michaud, Abdul H.M. Al Bulushi, Cole Pridemore, Carson Ward, Jixin Chen*, Remote Learning of COVID-19 Kinetic Analysis in a Physical Chemistry Laboratory Class. ACS Omega, 2021, 6(43), 29223–29232. https://doi.org/10.1021/acsomega.1c04842

14. Juvinch R Vicente, Jixin Chen*, Phase Segregation and Photothermal Remixing of Mixed-Halide Lead Perovskites. The Journal of Physical Chemistry Letters, 2020, 11, 1802-1807. https://pubs.acs.org/doi/abs/10.1021/acs.jpclett.9b03734

15. Ming-Ho Liu, Tzu-Chun Chen, Juvinch R Vicente, Chun-Nien Yao, Yu-Chi Yang, Chuan-Pin Chen, Pin-Wen Lin, Yu-Chieh Ho, Jixin Chen, Shu-Yi Lin, Yang-Hsiang Chan, Cyanine-Based Polymer Dots with Long-Wavelength Excitation and Near-Infrared Fluorescence beyond 900 nm for In Vivo Biological Imaging. ACS Applied Bio Materials, 2020, 3, 3846–3858. https://pubs.acs.org/doi/abs/10.1021/acsabm.0c00417

16. Wei-Kai TSai, Chun-I Wang, Chia-Hsien Liao, Tsai-Jhen Kuo, Ming-Ho Liu, Cho-Ping Hsu, Shu-Yi Lin, Chang-Yi Wu, Joseph R. Pyle, Jixin Chen, Yang-Hsiang Chan. Molecular Design of Near-Infrared Fluorescent Pdots for Tumor Targeting: AggregationInduced Emission versus Anti-Aggregation-Caused Quenching. Chemical Science, 2019, 10, 198-207. https://pubs.rsc.org/en/Content/ArticleLanding/2018/SC/C8SC03510E#!divAbstract

 17. Juvinch R. Vicente, Ali Rafiei Miandashti, Kurt Sy Piecco, Joseph R. Pyle, Martin E. Kordesch, Jixin Chen*, Single-Particle Organolead Halide Perovskite Photoluminescence as a Probe for Surface Reaction Kinetics. ACS Applied Matierals & Interfaces, 2019, 11(19), 18034-18043. https://pubs.acs.org/doi/10.1021/acsami.9b03822

18. Joseph R. Pyle, Kurt Waldo E. Sy Piecco, Juvinch R. Vicente, Jixin Chen*, In-situ Sensing of Reactive Oxygen Species on Dye-Stained Single DNA Molecules under Illumination. Langmuir, 2019, 35, 11308-11314.  https://doi.org/10.1021/acs.langmuir.9b01822

19. William Lum, Dinesh Gautam, Jixin Chen, Laura B. Sagle, Single Molecule Protein Patterning Using Hole Mask Colloidal Lithography. Nanoscale, 2019, 11, 16228-16234. https://pubs.rsc.org/en/content/articlelanding/2019/nr/c9nr05630k/unauth#!divAbstract

20. Kurt Waldo E. Sy Piecco, Juvinch R. Vicente, Joseph R. Pyle, David C. Ingram, Martin E. Kordesch, Jixin Chen*, Reusable Chemically-Micropatterned Substrates via Sequential Photoinitiated Thiol-Ene Reactions as Template for Perovskite Thin-Film Microarrays. ACS Appl. Electron. Mater. 2019, 1, 2279-2286. https://pubs.acs.org/doi/abs/10.1021/acsaelm.9b00475

21. Kurt W. Sy Piecco, Ahmed M. Aboelenen, Joseph R. Pyle, Juvinch R. Vicente, Dinesh Gautam, Jixin Chen*, Kinetic Model under Light-limited Condition for Photo-Initiatied Thiol-Ene Coupling Reactions. ACS Omega, 2018, 3(10), 14327-14332. https://pubs.acs.org/doi/10.1021/acsomega.8b01725

22. Jeeranan Nonkumwong, Kurt W. Sy Piecco, Uvinduni I. Premadasa, Ahmed M. Adoelenen, Andrew Tangonan, Jixin Chen, Laongnuan Srisombat, Katherine, L. A. Cimatu, Successive Surface Reactions on Hydrophilic Quartz for Modified Magnetic Nanoparticle Attachment Probed by Sum Frequency Generation Spectroscopy. Langmuir, 2018, 34(43), 12680-12693. https://pubs.acs.org/doi/10.1021/acs.langmuir.8b01333

23. Juvinch R. Vicente, Jixin Chen,* Perovskite Solar Cells. Encyclopedia of Chemical Processing. 2018, DOI: 10.1081/E-ECHP-140000328. http://www.phy.ohio.edu/~jchen/Publications/Archive/2019%20ECHP_review_PerovskiteSolarCell.pdf

24. Lei Wang, Joseph R. Pyle, Katherine L. A. Cimatu,* Jixin Chen,* Ultrafast transient absorption spectra of photoexcited YOYO-1 molecules call for additional investigations of their fluorescence quenching mechanism. J. Photochem. Photobiol. A: Chem., 2018, 367, 411-419. (OU A&S news) https://www.sciencedirect.com/science/article/abs/pii/S1010603018309274

25. Joseph R. Pyle, Kurt W.E. Sy Piecco, Juvinch R. Vicente, Jixin Chen,* Optical Genome Mapping. Encyclopedia of Chemical Processing. 2018, DOI: 10.1081/E-ECHP-140000148. http://www.phy.ohio.edu/~jchen/Publications/Archive/2019%20ECHP%20review%20Optical%20Mapping.pdf

26. Gregory J. Deye, Juvinch R. Vicente, Jixin Chen, Jacob W. Ciszek, The Influence of Defects on the Reactivity of Organic Surfaces. J. Phys. Chem. C. 2018, 122(27), 15582-15587. https://pubs.acs.org/doi/10.1021/acs.jpcc.8b04635

27. Gregory Deye, Juvinch R. Vicente, Shawn M. Dalke, Selma Piranej, Jixin Chen, Jacob W. Ciszek, The Role of Thermal Activation and Molecular Structure on the Reaction of Molecular Surfaces. Langmuir 2017, 33(33), 8140-8146. https://pubs.acs.org/doi/abs/10.1021/acs.langmuir.7b02099

28. Joseph R. Pyle, Jixin Chen,* Photobleaching of YOYO-1 in Super-Resolution Single-DNA Fluorescence Imaging. BJNano. 2017, 8, 2296-2306. https://www.beilstein-journals.org/bjnano/articles/8/229

29. Chi-Shiang Ke, Chia-Chia Fang, Jia-Ying Yan, Po-Jung Tseng, Chung-Jui Hung, Chuan-Pin Chen, Shu-Yi Lin, Jixin Chen, Xuanjun Zhang, and Yang-Hsiang Chan. Molecular Engineering and Design of Semiconducting Polymers to Develop Polymer Dots with Narrow-Band, Near-Infrared Emission for In Vivo Biological Imaging. ACS Nano, 2017, 11, 3166–3177. https://pubs.acs.org/doi/abs/10.1021/acsnano.7b00215

30. Selma Piranej, David A Turner, Shawn M Dalke, Haejun Park, Brittni A Qualizza, Juvinch Vicente, Jixin Chen, Jacob W Ciszek. Tunable interfaces on tetracene and pentacene thin-films via monolayers. CrystEngComm 2016, 18, 6062-6068. https://pubs.rsc.org/-/content/articlehtml/2016/ce/c6ce00728g

31. Jixin Chen,* Joseph R Pyle, Kurt Waldo Sy Piecco, Anatoly B Kolomeisky, Christy F Landes. A Two-Step Method for smFRET Data Analysis. The Journal of Physical Chemistry B 2016, 120, 7128–7132. https://pubs.acs.org/doi/abs/10.1021/acs.jpcb.6b05697  (Selected in the Virtual Issue of JPCB on Biophysics: http://pubs.acs.org/page/jpcbfk/vi/biophysics)  (OU A&S News)

Before joining Ohio University (postdoc and student)

1. David R Cooper, Drew M Dolino, Henriette Jaurich, Bo Shuang, Swarna Ramaswamy, Caitlin E Nurik, Jixin Chen, Vasanthi Jayaraman, Christy F Landes. Conformational Transitions in the Glycine-Bound GluN1 NMDA Receptor LBD via Single-Molecule FRET. Biophysical Journal 2015, 109, 66-75

2. Chen, J.X.; Poddar, N. K.; Tauzin, L. J.; Cooper, D. R.; Kolomeisky, A. B.; Landes, C. F. Single-Molecule FRET Studies of HIV TAR-DNA Hairpin Unfolding Dynamics. Journal of Physical Chemistry B 2014, 118, 12130-12139.

3. Shuang, B.; Cooper, D. R.; Taylor, J. N.; Kisley, L. M.; Chen, J.X.; Wang, W.X.; Li, C.-B.; Komatsuzaki, T.; Landes, C. F. Fast Step Transition and State Identification (STaSI) for Discrete Single-molecule Data Analysis. The Journal of Physical Chemistry Letters 2014, 5, 3157–3161.

4. Tauzin, L. J.; Shuang, B.; Kisley, L. M.; Mansur, A. P.; Chen, J.X.; de Leon, A.; Advincula, R. C.; Landes, C. F. Charge-Dependent Transport Switching of Single Molecular Ions in a Weak Polyelectrolyte Multilayer. Langmuir 2014, 30, 8391-8399.

5. Kisley, L.; Chen, J. X.; Mansur, A. P.; Dominguez-Medina, S.; Kulla, E.; Kang, M.; Shuang, B.; Kourentzi, K.; Poongavanam, M.-V.; Dhamane, S.; Willson, R. C.; Landes, C. F. High ionic strength narrows the population of sites participating in protein ion-exchange adsorption: A single-molecule study. Journal of Chromatography A 2014, 1343, 135–142.

6. Kisley, L.; Chen, J. X.; Mansur, A. P.; Shuang, B.; Kourentzi, K.; Poongavanam, M.-V.; Chen, W.-H.; Dhamane, S.; Willson, R. C.; Landes, C. F. Unified super-resolution experiments and stochastic theory provide mechanistic insight into protein ion-exchange adsorptive separations. PNAS 2014, 111, 2075-2080 (Reported by NSF Science360, Rice News, Physics News, Phys.org, and etc.)

7. Shuang, B.; Chen, J. X.; Kisley, L.; Landes, C. F. Troika of single particle tracking programing: SNR enhancement, particle identification, and mapping. Physical Chemistry Chemical Physics 2013, 16, 624-634.

8. Chen, J. X.; Bremauntz, A.; Kisley, L.; Shuang, B.; Landes, C. F. Super-Resolution mbPAINT for Optical Localization of Single-Stranded DNA. ACS Applied Materials & Interface 2013, 5, 9338−9343. (Reported by Rice News, Science Daily, and Novus Light…)

9. Chen, J.X.; Ruther, R.; Tan, Y.; Bishop, L.; Hamers. R. J. Molecules on ZnO surfaces: Molecular Adsorption on ZnO(10-10) Single Crystal Surfaces: Morphology and Charge Transfer. Langmuir 2012, 28, 10437-10455.

10. English, C. R.; Bishop, L. M.; Chen, J. X.; Hamers R. J. Formation of Self-Assembled Monolayers of π-Conjugated Molecules on TiO2 Surfaces by Thermal Grafting of Aryl and Benzyl Halides. Langmuir 2012, 28, 6866-6876.

11. Cai, Y. J.; Zhao, Z.; Chen, J. X.; Yang, T; Cremer, P. S. Deflected Capillary Force Lithography (dCFL). ACS Nano 2012, 6, 1548–1556. (Highlighted in ACS Nano, 2012, 6, 998)

12. Chen, J. X.; Franking, R.; Ruther, R. E.; Tan, Y. Z.; He, X. Y.; Hogendoorn, S. R.; Hamers, R. J. Formation of Molecular Monolayers on TiO2 Surfaces: A Surface Analogue of the Williamson Ether Synthesis. Langmuir 2011, 27, 6879-6889.

13. Chan, Y. H.; Chen, J. X.; Liu, Q. S.; Wark, S. E.; Son, D. H.; Batteas, J. D. Ultrasensitive Copper(II) Detection Using Plasmon-Enhanced and Photo-Brightened Luminescence of CdSe Quantum Dots. Analytical chemistry 2010, 82, 3671-3678.

14. Chen, J. X.; Chan, Y. H.; Yang, T. L.; Wark, S. E.; Son, D. H.; Batteas, J. D. Spatially Selective Optical Tuning of Quantum Dot Thin Film Luminescence. Journal of the American Chemical Society 2009, 131, 18204-18205. (Highlighted in JACS Select, an online collection showcasing significant recent publications in JACS; and Photonics Spectra news, an industrial magazine)

15. Chen, J. X.; Liao, W. S.; Chen, X.; Yang, T. L.; Wark, S. E.; Son, D. H.; Batteas, J. D.; Cremer, P. S. Evaporation-Induced Assembly of Quantum Dots into Nanorings. ACS Nano 2009, 3, 173-180.

16. Chen, J. X. (co-first author); Chan, Y. H. (co-first author); Wark, S. E.; Skiles, S. L.; Son, D. H.; Batteas, J. D. Using Patterned Arrays of Metal Nanoparticles to Probe Plasmon Enhanced Luminescence of CdSe Quantum Dots. ACS Nano 2009, 3, 1735-1744.

17. Liao, W. S.; Chen, X.; Yang, T. L.; Castellana, E. T.; Chen, J. X.; Cremer, P. S. Benchtop Chemistry for the Rapid Prototyping of Label-Free Biosensors: Transmission Localized Surface Plasmon Resonance Platforms. Biointerphases 2009, 4, 80-85.

18. Shi, J. J.; Chen, J. X.; Cremer, P. S. Sub-100 nm Patterning of Supported Bilayers by Nanoshaving Lithography. Journal of the American Chemical Society 2008, 130, 2718-2719.

19. Zhang, F. X.; Miao, S.; Yang, Y. L.; Zhang, X.; Chen, J. X.; Guan, N. J. Size-Dependent Hydrogenation Selectivity of Nitrate on Pd-Cu/TiO2 Catalysts. Journal of Physical Chemistry C 2008, 112, 7665-7671.

20. Liao, W. S.; Chen, X.; Chen, J. X.; Cremer, P. S. Templating Water Stains for Nanolithography. Nano Letters 2007, 7, 2452-2458.

21. Zhang, S. J.; Li, L. D.; Xue, B.; Chen, J. X.; Guan, N. J.; Zhang, F. X. Selective Catalytic Reduction of Nitric Oxide with Propane over Ni-Al2O3: Effect of Ni Loading. Reaction Kinetics and Catalysis Letters 2006, 89, 81-87.

22. Guan, X. X.; Li, N.; Wu, G. J.; Chen, J. X.; Zhang, F. X.; Guan, N. J. Para-Selectivity of Modified HZSM-5 Zeolites by Nitridation for Ethylation of Ethylbenzene with Ethanol. Journal of Molecular Catalysis A-Chemical 2006, 248, 220-225.

23. Zhang, F. X.; Jin, R. C.; Chen, J. X.; Shao, C. Z.; Gao, W. L.; Li, L. D.; Guan, N. J. High Photocatalytic Activity and Selectivity for Nitrogen in Nitrate Reduction on Ag/TiO2 Catalyst with Fine Silver Clusters. Journal of Catalysis 2005, 232, 424-431.

24. Li, L. D.; Xue, B.; Chen, J. X.; Guan, N. J.; Zhang, F. X.; Liu, D. X.; Feng, H. Q. Direct Synthesis of Zeolite Coatings on Cordierite Supports by in situ Hydrothermal Method. Applied Catalysis A: General 2005, 292, 312-321.

25. Li, L. D.; Chen, J. X.; Zhang, S. J.; Zhang, F. X.; Guan, N. J.; Wang, T. Y.; Liu, S. L. Selective Catalytic Reduction of Nitrogen Oxides from Exhaust of Lean Burn Engine over in situ Synthesized Cu-ZSM-5/Cordierite. Environmental Science & Technology 2005, 39, 2841-2847.

26. Li, L. D.; Chen, J. X.; Zhang, S. J.; Guan, N. J.; Wang, T. Y.; Liu, S. L. Selective Catalytic Reduction of Nitrogen Oxides over Cu-Ts-1/Cordierite and LaCu-Ts-1/Cordierite. Reaction Kinetics and Catalysis Letters 2005, 84, 115-120.

27. Li, L. D.; Chen, J. X.; Zhang, S. J.; Guan, N. J. In-situ Synthesis of Binderless ZSM-5 Zeolitic Coatings on Aluminum. Chinese Chemical Letters 2005, 16, 253-256.

28. Guan, X. X.; Li, N.; Wu, G. J.; Zhang, F. X.; Chen, J. X.; Guan, N. J. Nitridation of HZSM-5 and Its Application in Ethylation of Ethylbenzene with Ethanol to Para-Diethylbenzene. Chinese Journal of Catalysis (in Chinese) 2005, 26, 634-636.

29. Li, L. D.; Chen, J. X.; Zhang, S. J.; Guan, N. J.; Wang, T. Y.; Liu, S. L. Selective Catalytic Reduction of Nitrogen Oxides from Exhaust of Lean Burn Engine over in situ Synthesized Monolithic Cu-TS-1/Cordierite. Catalysis Today 2004, 90, 207-213.

30. Gao, W. L.; Jin, R. C.; Chen, J. X.; Guan, X. X.; Zeng, H. S.; Zhang, F. X.; Guan, N. J. Titania-Supported Bimetallic Catalysts for Photocatalytic Reduction of Nitrate. Catalysis Today 2004, 90, 331-336.

31. Chen, J. X.; Chen, T. H.; Guan, N. J.; Wang, J. Z. Dealumination Process of Zeolite Omega Monitored by 27Al 3QMAS NMR Spectroscopy. Catalysis Today 2004, 93-5, 627-630.

32. Zhang, F. X.; Chen, J. X.; Zhang, X.; Gao, W. L.; Jin, R. C.; Guan, N. J. Simple and Low-Cost Preparation Method for Highly Dispersed Pd/TiO2 Catalysts. Catalysis Today 2004, 93-5, 645-650.

33. Gao, W. L.; Chen, J. X.; Guan, X. X.; Jin, R. C.; Zhang, F. X.; Guan, N. J. Catalytic Reduction of Nitrite Ions in Drinking Water over Pd-Cu/TiO2 Bimetallic Catalyst. Catalysis Today 2004, 93-5, 333-339.

34. Chen, J. X.; Liu, E. M.; Li, L. D.; Zhang, S. J.; Guan N. J. Improving the Si/Al Ratio of Zeolite Omega by Boron Adulteration. Studies in Surface Science and Catalysis 2004, 154, 217-223.

35. Li, L. D.; Chen, J. X.; Zhang, S. J.; Guan, N. J.; Richter, M.; Eckelt, R.; Fricke, R. Study on Metal-MFI/Cordierite as Promising Catalysts for Selective Catalytic Reduction of Nitric Oxide by Propane in Excess Oxygen. Journal of Catalysis 2004, 228, 12-22.

36. Zhang, F. X.; Chen, J. X.; Zhang, X.; Gao, W. L.; Jin, R. C.; Guan, N. J.; Li, Y. Z. Synthesis of Ttitania-Supported Platinum Catalyst: The Effect of pH on Morphology Control and Valence State during Photodeposition. Langmuir 2004, 20, 9329-9334.

37. Wu, S.; Zheng, X. F.; Chen, J. X.; Zeng, H. S.; Guan, N. J. Preparation and Characterization of Boron-Doping Ruthenium Catalysts for Ammonia Synthesis. Catalysis Communications 2004, 5, 639-642.

38. Jin, R. C.; Gao, W. L.; Chen, J. X.; Zeng, H. S.; Zhang, F. X.; Liu, Z. G.; Guan, N. J. Photocatalytic Reduction of Nitrate Ion in Drinking Water by Using Metal-Loaded MgTiO3-TiO2 Composite Semiconductor Catalyst. Journal of Photochemistry and Photobiology A: Chemistry 2004, 162, 585-590.

39. Wu, S.; Zheng, C. M.; Chen, J. X.; Zheng, X. F.; Zeng, H. S.; Guan, N. J. Interaction Among Metal, Promoter and Support over Cesium/Active Carbon-Promoted Ruthenium-Based Catalyst for Ammonia Synthesis. Chinese Journal of Catalysis (in Chinese) 2004, 25, 873-877.

40. Wu, S.; Chen, J. X.; Zheng, X. F.; Zeng, H. S.; Zheng, C. M.; Guan, N. J. Novel Preparation of Nanocrystalline Magnesia-Supported Caesium-Promoted Ruthenium Catalyst with High Activity for Ammonia Synthesis. Chemical Communications 2003, 2488-2489.

41. Gao, W. L.; Jin, R. C.; Chen, J. X.; Guan, X. X.; Zeng, H. S.; Zhang, F. X.; Liu, Z. G.; Guan, N. J. Titania-Supported Pd-Cu Bimetallic Catalyst for the Reduction of Nitrite Ions in Drinking Water. Catalysis Letters 2003, 91, 25-30.

42. Zhang, F. X.; Guan, N. J.; Li, Y. Z.; Zhang, X.; Chen, J. X.; Zeng, H. S. Control of Morphology of Silver Clusters Coated on Titanium Dioxide During Photocatalysis. Langmuir 2003, 19, 8230-8234.

43. Gao, W. L.; Guan, N. J.; Chen, J. X.; Guan, X. X.; Jin, R. C.; Zeng, H. S.; Liu, Z. G.; Zhang, F. X. Titania Supported Pd-Cu Bimetallic Catalyst for the Reduction of Nitrate in Drinking Water. Applied Catalysis B: Environmental 2003, 46, 341-351.

44. Zhang, F. X.; Zhang, X.; Chen, J. X.; Liu, Z. G.; Gao, W. L.; Jin, R. C.; Guan, N. J. Preparation and Characterization of Ag/TiO2 Nanoparticle Catalyst and Its Photocatalytic Activity. Chinese Journal of Catalysis (in Chinese) 2003, 24, 877-880.

45. Shan, X. L.; Guan, N. J.; Zeng, X.; Chen, J. X.; Xiang, S. H.; Illgen, U.; Baerns, M. NO Decomposition on Cu-ZSM-5/Cordierite Monolithic Catalyst Samples with Different Si/Al Ratios. Chinese Journal of Catalysis (in Chinese) 2001, 22, 242-244.

46. Shan, X. L.; Guan, N. J.; Zeng, X.; Chen, J. X.; Xiang, S. H. Studies on Cu-Containing MFI Zeolites by H2-TPR and O2-TPD. Chinese Journal of Catalysis (in Chinese) 2001, 22, 237-241.

47. Chen, J. X.; Guan, N. J.; Chen, T. H.; Wang, J. Z.; Li, B. H.; Sun, P. C. Synthesis and Properties of A Novel Aluminophosphate NK-101. Chemical Research of Chinese Universities (in Chinese) 2001, 192-195.

PATENTS

1. Guan, N. J.; Li, N.; Chen, J. X.; Zhang, F. X. Catalysts Used in the Alkylation of Ethylbenzene with Ethanol to para-Diethylbenzene and Its Preparation. CN1605390A, 2006.

2. Zheng, C.M.; Chen, J.X.; Li, N.; Zeng, H.S.; Guan, N.J. A Catalyst for Diphenylamine Synthesis. CN1669640A, 2005

3. Liu, Z. G.; Guan, N. J.; Chen, T. H.; Chen, J. X.; Wang, J. Z. A Method to Treat Bioundegradable Organic Wastewater by CuCl Membrane. CN1435381A, 2005.

INVENTION DISCLOSURE

1.  Chen, J. X.; Shuang, B.; Kisley, L.; Landes, C. F. Super-Resolution Optical Genome Sensing and Sequencing, Rice University, 2013.

2. Chen, J. X.; Byers, C. P.; Woods, G. L.; Landes, C. F. Parallel Fluorescence-Based Imaging Identification of Open Through-Silicon Via (TSV) Microelectrodes, Rice University, 2013.

3.  Chen, J. X.; Batteas, J. D.; Chan, Y. H.; Son, D. H. Photo-Patterning of Luminescent Quantum Dot Arrays for Sensing and Display, Texas A&M University, 2008.

4. Liao, W. S.; Chen, X.; Chen, J. X.; Yang, T. L.; Cremer, P. S. Water Stain Lithography for Microfabrication of Patterned Surfaces, Texas A&M University, 2007.

PRESENTATIONS

Invited seminars/symposia oral presentations

External

1.     Section discussion lead, Wintergreen Meeting of Physical Chemists, Wintergreen, VA. Sept. 23-27, 2023. Invited symposium.

2. Applications of Simple Mathematical Models in Teaching and Research, Chemical Engineering Department, University of Houston, TX, Sept. 11, 2022. invited colloquium.

3. A Few Theoretical and Experimental Attempts in Diffusive Adsorption Kinetics. Wintergreen Meeting of Physical Chemistry, Wintergreen, VA. Sept. 25-29, 2021. Invited symposium.

4. Photophysics as a Tool to Measure the Surface-State of Perovskite Nanoparticles. Chemistry Department at Youngstown State University, Ohio, Nov. 1, 2019, invited colloquium.

5. Measure Reaction Kinetics at Interfaces. Department of Chemistry, University of Houston, Houston, Texas, scheduled on Oct. 15, 2019, invited colloquium.

6. Photophysics as a Tool to Measure the Surface-State of Perovskite Nanoparticles. Department of Physics and Astronomy, Case Western Reserve University, Ohio, Sept. 16, 2019. invited colloquium.

7. Photophysics for Surface-State Measurement of Perovskite Nanoparticles. Wintergreen Meeting of Physical Chemists, June 8th-12th, 2019. Invited symposium.

8. A few examples of visible spectroscopy and microscopy in biophysics studies. Invited talk to Kent State University, Department of Chemistry and Biochemistry, Kent State University, Kent, Ohio, November 1, 2018. Invited colloquium.

9. Fluorescence Microscopy and Spectroscopy in Single-Molecule Studies, Chen, J., Invited talk to Loyola University at Chicago, Loyola University, Chicago, (February 22, 2018). Invited colloquium.

10.  Charge Transfer Study of YOYO-1 in Solutions Using Ultrafast Transient Absorption Spectroscopy, Midwestern Universities Analytical Chemistry Conference, October 19, 2017, Athens, Ohio, invited symposium.

11.  Using Patterned Arrays of Metal Nanoparticles to Probe Plasmon Enhanced Luminescence of CdSe Quantum Dots. META’15 the 6th International Conference on Metamaterials, Photonic Crystals and Plasmonics, Aug. 4-7, 2015, New York, NY. Invited symposium.

12.  Seeing Single‐Molecule Dynamics at Interfaces with Optical Microscopy. Workshop: Light‐Driven Processes for Bio‐Inspired Materials and Systems, December 14‐16, 2014, Rice University, Houston, TX. Invited symposium.

13.  Super-Resolution Fluorescence Imaging for Single-Molecule Dynamics at Interfaces. Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Feb. 4-5, 2015, Suzhou, China. Invited colloquium.

Internal

14.  Kinetics of the diffusive adsorption in diluted solutions, NQPI colloquium, Ohio University, Sept. 5, 2024

15.  A Few Research and Teaching Examples of Chemical Kinetics, Chemistry and Biochemistry Colloquium, Ohio University, Feb. 20, 2023.

16.  Fluorescence Microscopy and Spectroscopy in Single-Molecule Studies. Ohio NQPI Colloquium, Ohio University, Athens, Ohio, Chen, J., Invited colloquium. (October 4, 2018).

17.  Fluorescence Microscopy and Spectroscopy in Single-Molecule Studies. Chemistry Graduate Student Seminar, Chemistry&Biochemistry, Ohio University, Athens, Chen, J., Invited colloquium. (September 19, 2018).

18.  Super-Resolution Fluorescence Imaging: Seeing Single-Molecule Dynamics at Interfaces. Ohio University CMSS Colloquium, Nov. 20, 2014, Athens, OH. Invited colloquium.

19.  Physical and Inorganic Groups Student seminar. 2014-2017 every semester. Organizer and invited.

Other conference presentations

20.  A single-molecule FRET data fitting package for DNA folding kinetic study. NIDA Genetics and Epigenetics Cross-Cutting Research Team Meeting, Washington DC, May 16-17, 2023

21.  Simulating Stochastic Adsorption of Diluted Solute Molecules at Interfaces. ACS National Meeting, San Diego, March 20-24, 2022.

22.  Using Monte Carlo Simulation to Improve Accuracy in smFRET Data Analysis, ACS National Meeting, ACS, Washington, DC, August 23, 2017, Oral presentation.

23.  Measurements and Analysis of Ultrafast Transient Absorption Spectra of YOYO-1 in Solutions, Chen, J., 255th ACS national meeting, ACS, New Orleans, March 18-22, 2018.

24.  Single-Molecule Fluorescence Sensing and Imaging. Humboldt Colloquium, “Global Research in the 21st Century: Perspectives of the U.S. Humboldt Network”, March 2-4, 2017, Washington D.C. Poster presentation

25.  Super-resolution imaging technique mbPAINT for DNA optical mapping. 64th Annual Meeting of the American Society of Human Genetics, October 18-22, 2014, San Diego, CA. Poster presentation

26.  Super-resolution mbPAINT for optical localization of single-stranded DNA. 248th ACS National Meeting, August 10-14, 2014, San Francisco, CA. Oral presentation

27.  Chen, J. X.; Poddar, N. K.; Tauzin, L. J.; Cooper, D.; Kolomeisky, A. B.; Landes, C. F. Multi-Loop DNA Hairpin Folding/Unfolding. The 27th Annual Rice Quantum Institute Colloquium, August 2, 2013, Rice University, Houston, TX. Oral presentation

28.  Chen, J. X.; Poddar, N. K.; Tauzin, L. J.; Cooper, D.; Kolomeisky, A. B.; Landes, C. F. Multi-Loop DNA Hairpin Folding/Unfolding. The 3rd Annual Postdoctoral Science Symposium, August 1, 2013, UT MD Anderson Cancer Center, Houston, TX. Poster presentation

29.  Chen, J. X.; Poddar, N. K.; Tauzin, L. J.; Kolomeisky, A. B.; Landes, C. F. Effect of multiple loops on the dynamics of DNA hairpins: A single-molecule FRET study. 245th ACS National meeting, April 7-11, 2013, New Orleans, LA. Oral presentation

30.  Chen, J. X., Formation of Molecular Monolayers on TiO2 surfaces: A Surface Analog of the Williamson Ether Synthesis. Gordon Research Conference: Chemical Reactions at Surfaces, February 6-11, 2011 Ventura, CA. Poster presentation

31.  Chen, J. X., Evaporation-Induced Assembly of Quantum Dots into Nanorings. 238th ACS National Meeting, August 16-20, 2009, Washington, DC. Oral presentation

32.  Chen, J. X., Spatially Selective Tuning of Quantum Dot Thin Film Optical Properties by Photopatterning. The 237th ACS National Meeting, March 22-26, 2009, Salt Lake City, UT. Poster presentation

33.  Chen, J. X., Evaporation Induced One-Step Self-Assembly of Quantum Dots into Nano-Rings. The 11th Annual Student Research Week of Texas A&M University, March 24-28, 2008, College Station, TX. Poster presentation

Internal student presentations

Each graduate student presents ~5 year-1 internally at or above the departmental level, NQPI both seminar and poster sections, and Ohio University Student Expo and GSS Graduate Conference.

External student presentations

34.  Deepani Vidarshika Athapaththu, Jixin Chen, Study of solid phase segregation of metal halide perovskite using visible light fluorescence spectro-microscopy, ACS Spring Conference 2024, March 19, 2024 (Poster presentation)

35.  Srijana Pandey, Jixin Chen, Measuring the adsorption cross-section of diffusive YOYO-1 dye molecules to immobilized DNA molecules using fluorescence microscope. ACS Spring Conference March 19th, 2024. (Poster presentation)

36.  Esther Mbuna, Investigating Dissociation Mechanisms of Naphthenic Acid Isomers using Collision-Induced Dissociation coupled with Computational Chemistry, American Society of Mass Spectrometry (ASMS) Sanibel Conference, St. Petersburg, Florida, January 21-24, 2024. (Oral presentation).

37.  Annik Bernhardt, Tharushi D. Ambagaspitiya, Martin E. Kordesch, Katherine Leslee A. Cimatu, Jixin Chen. Spectroscopic Ellipsometry Measurements on the Phase Segregation of Mixed Halide Lead Perovskites. ACS National Meeting, San Diego, CA, March 20-24, 2022 (Poster presentation)

38.  Dinesh Gautam, Jixin Chen. Optimize the conditions for the two end DNA immobilization on the glass substrate. ACS National Meeting, San Diego, CA, March 20-24, 2022 (Poster presentation)

39.  Juvinch R. Vicente, Jixin Chen, Interaction of Molecular Oxygen with Surface Defects on Single-particle Organolead Halide Perovskites. 257th ACS National Meeting, Orlando, FL, March 31 – April 4, 2019.

40.  Kurt W.E. Sy Piecco, Juvinch R. Vicente and Jixin Chen, Perovskite Thin Film Array on Chemically-Patterned Substrates. 257th ACS National Meeting, Orlando, FL, March 31 – April 4, 2019.

41.  Joseph R. Pyle and Jixin Chen, Monitoring Reactive Oxygen Species Production at the single DNA level. 257th ACS National Meeting, Orlando, FL, March 31 – April 4, 2019.

42.  Vicente, J.; Chen, J. Fabrication of perovskite solar cells under ambient conditions. 254th ACS National Meeting, Washington, DC, August 20-24, 2017. Poster presentation.

43.  Sy Piecco, K.; Chen, J.  Photochemical patterning of surface charges in fluidic. 254th ACS National Meeting, Washington, DC, August 20-24, 2017. Poster presentation.

44.  Pyle, J.;  Chen, J. Surface modification for DNA studies. 254th ACS National Meeting, Washington, DC, August 20-24, 2017. Poster presentation.

45.  Pyle, J.; Sy Piecco, K.; Wang, L.; Chen, J.  Super Resolution Imaging of Stretched DNA using Motion Blur Point Accumulation for Imaging in Nanoscale Topography (mbPAINT). 125th Ohio Academy of Science Annual Meeting, Athens, OH April 2016. Poster.

UNIVERSITY AND DEPARTMENT SERVICE

·       2024 - present: Ohio University Radiation Safety Committee

·       2021 - present: University Curriculum Council’s (UCC) Program Review Committee

·       2015 - present: Coordinator for the Departmental Honors Program

·       2016 - present: NQPI fellowship review committee

·       2015 - present: Advising ~15 undergraduate students each semester

·       2016 - present: Departmental T&P Evaluation Committee

·       2015 - present: CMSS/NQPI Poster judging

·       2020 - 2024: Ohio University Baker Fund Committee

·       2015 - 2016: CMSS fellowship review committee

·       2015 - 2016: Departmental Graduate Committee

·       2015 - 2016: Curriculum/Teaching Committee

·       2014 - 2015: Facilities Committee

·       2014 - 2015: Curriculum/Teaching Committee

·       Graduate student thesis and dissertation committees (meet for ~10 students per year, 2-3 hours per meet)

OUTREACH

2016-present Ohio Student Expo judge

2014-2017 Athens Middle School Science Fair, Judge

03/14/2015 Athens Annual Science Fair, Judge

ACADEMIC SERVICE

·   Member of Academic Associations

The American Chemical Society (ACS) 2009-present

The American Society of Human Genetics (ASHG) 2014-2018

Sigma Xi 2010-2012

·       Reviewer of grants

ACS PRF proposals.

NSF and NIH, both on panels and ad hoc.

·   Reviewer of journals (Peering reviewing 10-20 papers per year):

JACS, Nano Letters, Journal of Physical Chemistry B/C, Langmuir, Analytical Chemistry, ACS AMI,

ACS Catalysis, ACS Infectious Diseases, Nature Communications, RSC Advances, Journal of Electronic Materials, Journal of Nanoparticle Research, Powder Technology, Lab on a Chip, BJNano, Materials Research Bulletin, Journal of Solid State Chemistry, CrystEngComm, Journal of Molecular Catalysis A: Chemical, Biophysical Journal