Staff information

PNNL Publications

2024

• Shisler K., W.M. Kincannon, J.R. Mattice, J. Larson, A. Valaydon-Pillay, F. Mus, and T. Flusche, et al. 2024. "Homologous acetone carboxylases strictly select Fe(II) or Mn(II) as the catalytic cofactor." mBio 15, no. 2:Art. No. e02987-23. PNNL-SA-182762. doi:10.1128/mbio.02987-23

2023

• Ginovska B., O.Y. Gutierrez-Tinoco, A.J. Karkamkar, M. Lee, J.A. Lercher, Y. Liu, and S. Raugei, et al. 2023. "Bioinspired catalyst design principles: Progress in emulating properties of enzymes in synthetic catalysts." ACS Catalysis 13, no. 18:11883-11901. PNNL-SA-181497. doi:10.1021/acscatal.3c00320
• Lukoyanov D., Z. Yang, K. Shisler, J.W. Peters, S. Raugei, D.R. Dean, and L.C. Seefeldt, et al. 2023. "A Conformational Equilibrium in the Nitrogenase MoFe Protein with an a-V70I Amino Acid Substitution Illuminates the Mechanism of H2 Formation." Faraday Discussions 243. PNNL-SA-179825. doi:10.1039/D2FD00153E
• Tokmina-Lukaszewska M., Q. Huang, L. Berry, H. Kallas, J.W. Peters, L.C. Seefeldt, and S. Raugei, et al. 2023. "Fe protein docking transduces conformational changes to the MoFe nitrogenase active site in a nucleotide-dependent manner." Communications Chemistry 6. PNNL-SA-182764. doi:10.1038/s42004-023-01046-6

2022

• Barona Mosquera M., S. Johnson, M. Mbea, R.M. Bullock, and S. Raugei. 2022. "Computational investigations of the reactivity of metalloporphyrins for ammonia oxidation." Topics in Catalysis 65, no. 1-4:341-353. PNNL-SA-165238. doi:10.1007/s11244-021-01511-3
• Cook B.J., M. Barona Mosquera, S. Johnson, S. Raugei, and R.M. Bullock. 2022. "Weakening the N-H Bonds of NH3 Ligands: Triple Hydrogen-Atom Abstraction to form a Chromium(V) Nitride." Inorganic Chemistry 61, no. 29:11165-11172. PNNL-SA-169172. doi:10.1021/acs.inorgchem.2c01115
• Dunn P., M. Barona Mosquera, S. Johnson, S. Raugei, and R.M. Bullock. 2022. "Hydrogen Atom Abstraction from an OsII(NH3)2 Complex Generates an OsIV(NH2)2 Complex: Experimental and Computational Analysis of the N-H Bond Dissociation Free Energies and Reactivity." Inorganic Chemistry 61, no. 39:15325-15334. PNNL-SA-170965. doi:10.1021/acs.inorgchem.2c00708
• Guy J.E., Y. Cai, M.D. Baer, E. Whittle, J. Chai, X. Yu, and Y. Lindqvist, et al. 2022. "Regioselectivity mechanism of the Thunbergia alata Delta(6)-16:0-acyl carrier protein desaturase." Plant Physiology 188, no. 3:1537 - 1549. PNNL-SA-166222. doi:10.1093/plphys/kiab577
• Hutchison P., P.S. Rice, R.E. Warburton, S. Raugei, and S. Hammes-Schiffer. 2022. "Multilevel Computational Studies Reveal the Importance of Axial Ligand for Oxygen Reduction Reaction on Fe-N-C Materials." Journal of the American Chemical Society 144, no. 36:16524-16534. PNNL-SA-173730. doi:10.1021/jacs.2c05779
• Kim H., D.G. Hauner, J.A. Laureanti, A. Kruel, S. Raugei, and N. Kumar. 2022. "Mechanistic Investigation of SARS-CoV-2 Main Protease to Accelerate Design of Covalent Inhibitors." Scientific Reports 12, no. 1:Art. No. 21037. PNNL-SA-170467. doi:10.1038/s41598-022-23570-6
• Lukoyanov D., Z. Yang, A. Perez-Gonzalez, S. Raugei, D.R. Dean, L. Seefeldt, and B. Hoffman. 2022. "13C ENDOR Characterization of the Central Carbon Within the Nitrogenase Catalytic Cofactor Indicates That the CFe6 Core is a Stabilizing ‘Heart of Steel’." Journal of the American Chemical Society 144, no. 40:18315-18328. PNNL-SA-174111. doi:10.1021/jacs.2c06149
• Wiedner E.S., A.M. Appel, S. Raugei, W.J. Shaw, and R.M. Bullock. 2022. "Molecular Catalysts with Diphosphine Ligands Containing Pendant Amines." Chemical Reviews 122, no. 14:12427-12474. PNNL-SA-168825. doi:10.1021/acs.chemrev.1c01001

2021

• Baer M.D., J. Shankline, and S. Raugei. 2021. "Atomistic insight on Structure and Dynamics of Spinach Acyl Carrier Protein with Substrate Length." Biophysical Journal 120, no. 17:3841-3853. PNNL-SA-155027. doi:10.1016/j.bpj.2020.12.036
• Fantuzzi F., M.A. Nascimento, B. Ginovska, R.M. Bullock, and S. Raugei. 2021. "Splitting of Multiple Hydrogen Molecules by Bioinspired Diniobium Metal Complexes: A DFT Study." Dalton Transactions 50, no. 3:840-849. PNNL-SA-146919. doi:10.1039/D0DT03411H
• Huang Q., M. Tokmina-Lukaszewska, L.E. Johnson, H. Kallas, B. Ginovska, L.C. Seefeldt, and B.P. Bothner, et al. 2021. "Mechanical Coupling in the Nitrogenase Complex." PLoS Computational Biology 17, no. 3:e1008719. PNNL-SA-154305. doi:10.1371/journal.pcbi.1008719
• Mulder D.W., J. Peters, and S. Raugei. 2021. "Catalytic bias in oxidation-reduction catalysis." Chemical Communications 57, no. 6:713-720. PNNL-SA-157595. doi:10.1039/D0CC07062A
• Murphy I.A., P.S. Rice, M. Monahan, L. Porter-Zasada, E.M. Miller, S. Raugei, and B.M. Cossairt. 2021. "Covalent Functionalization of Nickel Phosphide Nanocrystals with Aryl-Diazonium Salts." Chemistry of Materials 33, no. 24:9652-9665. PNNL-SA-164359. doi:10.1021/acs.chemmater.1c03255
• Tzeli D., S. Raugei, and S.S. Xantheas. 2021. "Quantitative Account of the Bonding Properties of a Rubredoxin Model Complex [Fe(SCH3)4]q, q = -2, -1, +2, +3." Journal of Chemical Theory and Computation 17, no. 10:6080-6091. PNNL-SA-162483. doi:10.1021/acs.jctc.1c00485

2020

• Artz J.H., O. Zadvornyy, D.W. Mulder, S.M. Keable, A.E. Cohen, M.W. Ratzloff, and S. Williams, et al. 2020. "Tuning catalytic bias of hydrogen gas producing hydrogenases." Journal of the American Chemical Society 142, no. 3:1227-1235. PNNL-SA-140081. doi:10.1021/jacs.9b08756
• Brezny A.C., S. Johnson, S. Raugei, and J.M. Mayer. 2020. "Selectivity-Determining Steps in O2 Reduction Catalyzed by Iron(tetramesitylporphyrin)." Journal of the American Chemical Society 142, no. 9:4108-4113. PNNL-SA-150117. doi:10.1021/jacs.9b13654
• Johnson S., D.J. Martin, B.Q. Mercado, S. Raugei, and J.M. Mayer. 2020. "Intramolecular Electrostatic Effects on O2, CO2, and Acetate Binding to a Cationic Iron Porphyrin." Inorganic Chemistry 59, no. 23:17402-17414. PNNL-SA-152562. doi:10.1021/acs.inorgchem.0c02703
• Lukoyanov D., Z. Yang, D.R. Dean, L.C. Seefeldt, S. Raugei, and B. Hoffman. 2020. "Electron Redistribution within the Nitrogenase Active Site FeMo-cofactor During Reductive Elimination of H2 to Achieve N=N Triple-Bond Activation." Journal of the American Chemical Society 142, no. 52:21679-21690. PNNL-SA-154488. doi:10.1021/jacs.0c07914

2019

• Chambers G.M., S. Johnson, S. Raugei, and R.M. Bullock. 2019. "Anion control of tautomeric equilibria: Fe-H vs. N-H influenced by NH···F hydrogen bonding." Chemical Science 10, no. 5:1410-1418. PNNL-SA-135803. doi:10.1039/c8sc04239j
• Hoeke V., L. Tociu, D.A. Case, L.C. Seefeldt, S. Raugei, and B. Hoffman. 2019. "High resolution ENDOR spectroscopy combined with quantum chemical calculations reveals the structure of the nitrogenase Janus intermediate E4(4H)." Journal of the American Chemical Society 141, no. 30:11984-11996. PNNL-SA-143095. doi:10.1021/jacs.9b04474
• Johnson L.E., B. Ginovska, A.W. Fenton, and S. Raugei. 2019. "Chokepoints in Mechanical Coupling Associated with Allosteric Proteins: The Pyruvate Kinase Example." Biophysical Journal 116, no. 9:1598-1608. PNNL-SA-140742. doi:10.1016/j.bpj.2019.03.026
• Johnson S., S.P. Heins, C. Klug, E.S. Wiedner, R.M. Bullock, and S. Raugei. 2019. "Design and reactivity of pentapyridyl metal complexes for ammonia oxidation." Chemical Communications 55, no. 35:5083-5086. PNNL-SA-141391. doi:10.1039/C9CC01249D
• Kumar N., J.M. Darmon, C.J. Weiss, M.L. Helm, S. Raugei, and R.M. Bullock. 2019. "Outer Coordination Sphere Proton Relay Base and Proximity Effects on Hydrogen Oxidation with Iron Electrocatalysts." Organometallics 38, no. 6:1391-1396. PNNL-SA-139298. doi:10.1021/acs.organomet.8b00805
• Pegis M.L., D.J. Martin, C.F. Wise, A.C. Brezny, S. Johnson, L.E. Johnson, and N. Kumar, et al. 2019. "Mechanism of Catalytic O2 Reduction by Iron Tetraphenylporphyrin." Journal of the American Chemical Society 141, no. 20:8315-8326. PNNL-SA-141930. doi:10.1021/jacs.9b02640

2018

• Peters J.W., D.N. Beratan, B.P. Bothner, R. Dyer, C. Harwood, Z.M. Heiden, and R. Hille, et al. 2018. "A new era for electron bifurcation." Current Opinion in Chemical Biology 47. PNNL-SA-138678. doi:10.1016/j.cbpa.2018.07.026
• Raugei S., L.C. Seefeldt, and B. Hoffman. 2018. "Critical Computational Analysis Illuminates the Reductive-Elimination Mechanism That Activates Nitrogenase for N2 Reduction." Proceedings of the National Academy of Sciences (PNAS) 115, no. 45:E10521-E10530. PNNL-SA-130353. doi:10.1073/pnas.1810211115
• Seefeldt L.C., B. Hoffman, J.W. Peters, S. Raugei, D.N. Beratan, E. Antony, and D.R. Dean. 2018. "Energy Transduction in Nitrogenase." Accounts of Chemical Research 51, no. 9:2179-2186. PNNL-SA-138677. doi:10.1021/acs.accounts.8b00112
• Seefeldt L.C., J.W. Peters, D.N. Beratan, B.P. Bothner, S.D. Minteer, S. Raugei, and B. Hoffman. 2018. "Control of electron transfer in nitrogenase." Current Opinion in Chemical Biology 47. PNNL-SA-138679. doi:10.1016/j.cbpa.2018.08.011

2017

• Bhattacharya P., Z.M. Heiden, E.S. Wiedner, S. Raugei, N.A. Piro, W.S. Kassel, and R.M. Bullock, et al. 2017. "Ammonia Oxidation by Abstraction of Three Hydrogen Atoms from a Mo-NH3 Complex." Journal of the American Chemical Society 139, no. 8:2916-2919. PNNL-SA-121628. doi:10.1021/jacs.7b00002
• Khadka N., R.D. Milton, S. Shaw, D. Lukoyanov, D.R. Dean, S.D. Minteer, and S. Raugei, et al. 2017. "Mechanism of Nitrogenase H-2 Formation by Metal-Hydride Protonation Probed by Mediated Electrocatalysis and H/D Isotope Effects." Journal of the American Chemical Society 139, no. 38:13518-13524. PNNL-SA-128474. doi:10.1021/jacs.7b07311
• Lukoyanov D., N. Khadka, D.R. Dean, S. Raugei, L.C. Seefeldt, and B. Hoffman. 2017. "Photoinduced Reductive Elimination of H2 from the Nitrogenase Dihydride (Janus) State Involves a FeMo-cofactor-H2 Intermediate." Inorganic Chemistry 56, no. 4:2233-2240. PNNL-SA-123286. doi:10.1021/acs.inorgchem.6b02899

2016

• Cardenas A.J., B. Ginovska-Pangovska, N. Kumar, J. Hou, S. Raugei, M.L. Helm, and A.M. Appel, et al. 2016. "Controlling Proton Delivery with Catalyst Structural Dynamics." Angewandte Chemie International Edition 55, no. 43:13509-13513. PNNL-SA-115082. doi:10.1002/anie.201607460
• Cornish A.J., B. Ginovska-Pangovska, A. Thelen, J.C. Da Silva, T.A. Soares, S. Raugei, and M. Dupuis, et al. 2016. "Single Amino Acid Modifications Reveal Additional Controls on the Proton Pathway of [FeFe]-hydrogenase." Biochemistry 55, no. 22:3165-3173. PNNL-SA-111944. doi:10.1021/acs.biochem.5b01044
• Danyal K., S. Shaw, T.R. Page, S.S. Duval, M. Horitani, A.R. Marts, and D. Lukoyanov, et al. 2016. "Negative cooperativity in the nitrogenase Fe protein electron delivery cycle." Proceedings of the National Academy of Sciences (PNAS) 113, no. 40:E5783-E5791. PNNL-SA-111505. doi:10.1073/pnas.1613089113
• Danyal K., S. Shaw, T.R. Page, S.S. Duval, M. Horitani, A.R. Marts, and D. Lukoyanov, et al. 2016. "Negative Cooperativity in the Nitrogenase Fe Protein Electron Delivery Cycle." Proceedings of the National Academy of Sciences (PNAS) 113, no. 40:E5783-E5791. PNNL-SA-120375. doi:10.1073/pnas.1613089113
• Dutta A., B. Ginovska-Pangovska, S. Raugei, J.A. Roberts, and W.J. Shaw. 2016. "Optimizing Conditions for Utilization of an H2 Oxidation Catalyst with Outer Coordination Sphere Functionalities." Dalton Transactions 45, no. 24:9786-9793. PNNL-SA-107665. doi:10.1039/C6DT00280C
• Ginovska-Pangovska B., S. Raugei, and W.J. Shaw. 2016. "Molecular Dynamics Studies of Proton Transport in Hydrogenase and Hydrogenase Mimics." In Methods in Enzymology: Computational Approaches for Studying Enzyme Mechanism Part B, edited by GA Voth. 73-101. Cambridge, Massachusetts:Academic Press. PNNL-SA-114509. doi:10.1016/bs.mie.2016.05.044
• Khadka N., D.R. Dean, D.M. Smith, B. Hoffman, S. Raugei, and L. Seefeldt. 2016. "CO2 Reduction Catalyzed by Nitrogenase: Pathways to Formate, Carbon Monoxide, and Methane." Journal of the American Chemical Society 55, no. 17:8321-8330. PNNL-SA-114863. doi:10.1021/acs.inorgchem.6b00388
• Pegis M.L., B.A. McKeown, N. Kumar, K. Lang, D.J. Wasylenko, P. Zhang, and S. Raugei, et al. 2016. "Homogenous Electrocatalytic Oxiygen Reduction Rates Correlate with Reaction Overpotential in Acidic Organic Solutions." ACS Central Science 2, no. 11:850-856. PNNL-SA-117180. doi:10.1021/acscentsci.6b00261
• Priyadarshani N., A. Dutta, B. Ginovska-Pangovska, G.W. Buchko, M.J. O'Hagan, S. Raugei, and W.J. Shaw. 2016. "Achieving Reversible H2/H+ Interconversion at Room Temperature with Enzyme-Inspired Molecular Complexes: A Mechanistic Study." ACS Catalysis 6, no. 9:6037-6049. PNNL-SA-115312. doi:10.1021/acscatal.6b01433
• Raugei S., M.L. Helm, S. Hammes-Schiffer, A.M. Appel, M.J. O'Hagan, E.S. Wiedner, and R.M. Bullock. 2016. "Experimental and Computational Mechanistic Studies Guiding the Rational Design of Molecular Electrocatalysts for Production and Oxidation of Hydrogen." Inorganic Chemistry 55, no. 2:445-460. PNNL-SA-113594. doi:10.1021/acs.inorgchem.5b02262
• Raugei S., M.L. Helm, S. Hammes-Schiffer, A.M. Appel, M.J. O'Hagan, E.S. Wiedner, and R.M. Bullock. 2016. "Experimental and Computational Mechanistic Studies Guiding the Rational Design of Molecular Electrocatalysts for Production and Oxidation of Hydrogen." Inorganic Chemistry 55, no. 2:445-460. PNNL-SA-114545. doi:10.1021/acs.inorgchem.5b02262
• Reback M.L., B. Ginovska-Pangovska, G.W. Buchko, A. Dutta, N. Priyadarshani, B.L. Kier, and M.L. Helm, et al. 2016. "Investigating the role of chain and linker length on the catalytic activity of an H2 production catalyst containing a b-hairpin peptide." Journal of Coordination Chemistry 69, no. 11-13:1730-1747. PNNL-SA-116292. doi:10.1080/00958972.2016.1188924
• Wongnate T., D. Sliwa, B. Ginovska-Pangovska, D.M. Smith, M.W. Wolf, N. Lehnert, and S. Raugei. 2016. "The Radical Mechanism of Biological Methane Synthesis by Methyl-Coenzyme M Reductase." Science 352, no. 6288:953-958. PNNL-SA-114957. doi:10.1126/science.aaf0616

2015

• Danyal K., A.J. Rasmussen, S.M. Keable, B.S. Inglet, S. Shaw, O. Zadvornyy, and S.S. Duval, et al. 2015. "Fe Protein-Independent Substrate Reduction by Nitrogenase MoFe Protein Variants." Biochemistry 54, no. 15:2456-2462. PNNL-SA-108124. doi:10.1021/acs.biochem.5b00140
• Darmon J.M., N. Kumar, E. Hulley, C.J. Weiss, S. Raugei, R.M. Bullock, and M.L. Helm. 2015. "Increasing the Rate of Hydrogen Oxidation without Increasing the Overpotential: A Bio-Inspired Iron Molecular Electrocatalyst with an Outer Coordination Sphere Proton Relay." Chemical Science 6, no. 5:2737-2745. PNNL-SA-105708. doi:10.1039/C5SC00398A
• Ho M., M.J. O'Hagan, M. Dupuis, D.L. DuBois, R.M. Bullock, W.J. Shaw, and S. Raugei. 2015. "Water-Assisted Proton Delivery and Removal in bio-inspired Hydrogen Production Catalysts." Dalton Transactions 44, no. 24:10969-10979. PNNL-SA-108272. doi:10.1039/C5DT00782H
• Ho M., R.J. Rousseau, J.A. Roberts, E.S. Wiedner, M. Dupuis, D.L. DuBois, and R.M. Bullock, et al. 2015. "Ab Initio-Based Kinetic Modeling for the Design of Molecular Catalysts: the Case of H2 Production Electrocatalysts." ACS Catalysis 5, no. 9:5436-5452. PNNL-SA-110596. doi:10.1021/acscatal.5b01152
• Hulley E., N. Kumar, S. Raugei, and R.M. Bullock. 2015. "Manganese-Based Molecular Electrocatalysts for Oxidation of Hydrogen." ACS Catalysis 5, no. 11:6838-6847. PNNL-SA-112291. doi:10.1021/acscatal.5b01751
• Raugei S., D.L. DuBois, R.J. Rousseau, S. Chen, M. Ho, R.M. Bullock, and M. Dupuis. 2015. "Toward Molecular Catalysts by Computer." Accounts of Chemical Research 48, no. 2:248-255. PNNL-SA-105457. doi:10.1021/ar500342g

2014

• Blacquiere J.M., M.L. Pegis, S. Raugei, W. Kaminsky, A. Forget, S. Cook, and T. Taguchi, et al. 2014. "Synthesis and Reactivity of Tripodal Complexes Containing Pendant Bases." Inorganic Chemistry 53, no. 17:9242-9253. PNNL-SA-102914. doi:10.1021/ic5013389
• Chen S., M. Ho, R.M. Bullock, D.L. DuBois, M. Dupuis, R.J. Rousseau, and S. Raugei. 2014. "Computing Free Energy Landscapes: Application to Ni-based Electrocatalysts with Pendant Amines for H2 Production and Oxidation." ACS Catalysis 4, no. 1:229-242. PNNL-SA-98868. doi:10.1021/cs401104w
• Darmon J.M., S. Raugei, T.L. Liu, E.B. Hulley, C.J. Weiss, R.M. Bullock, and M.L. Helm. 2014. "Iron Complexes for the Electrocatalytic Oxidation of Hydrogen: Tuning Primary and Secondary Coordination Spheres." ACS Catalysis 4, no. 4:1246-1260. PNNL-SA-100586. doi:10.1021/cs500290w
• Das P., M. Ho, M.J. O'Hagan, W.J. Shaw, R.M. Bullock, S. Raugei, and M.L. Helm. 2014. "Controlling Proton Movement: Electrocatalytic Oxidation of Hydrogen by a Nickel(II) Complex Containing Proton Relays in the Second and Outer Coordination Spheres." Dalton Transactions 43, no. 7:2744-2754. PNNL-SA-99116. doi:10.1039/c3dt53074d
• Ginovska-Pangovska B., M. Ho, J.C. Linehan, Y. Cheng, M. Dupuis, S. Raugei, and W.J. Shaw. 2014. "Molecular Dynamics Study of the Proposed Proton Transport Pathways in [FeFe]-Hydrogenase." Biochimica et Biophysica Acta--Bioenergetics 1837, no. 1:131-138. PNNL-SA-94298. doi:10.1016/j.bbabio.2013.08.004
• Kumar N., D.M. Camaioni, M. Dupuis, S. Raugei, and A.M. Appel. 2014. "Mechanistic Insights into Hydride Transfer for Catalytic Hydrogenation of CO2 with Cobalt Complexes." Dalton Transactions 43, no. 31:11803-11806. PNNL-SA-101141. doi:10.1039/c4dt01551g
• Reback M.L., G.W. Buchko, B.L. Kier, B. Ginovska-Pangovska, Y. Xiong, S. Lense, and J. Hou, et al. 2014. "Enzyme Design From the Bottom Up: An Active Nickel Electrocatalyst with a Structured Peptide Outer Coordination Sphere." Chemistry - A European Journal 20, no. 6:1510-1514. PNNL-SA-96857. doi:10.1002/chem.201303976
• Smith D.M., K. Danyal, S. Raugei, and L.C. Seefeldt. 2014. "Substrate Channel in Nitrogenase Revealed by a Molecular Dynamics Approach." Biochemistry 53, no. 14:2278-2285. PNNL-SA-98485. doi:10.1021/bi401313j
• Smith D.M., S. Raugei, and T.C. Squier. 2014. "Modulation of Active Site Electronic Structure by the Protein Matrix to Control [NiFe] Hydrogenase Reactivity." Physical Chemistry Chemical Physics 16, no. 43:24026-24033. PNNL-SA-103780. doi:10.1039/c4cp03518f

2013

• Franz J.A., M.J. O'Hagan, M. Ho, T.L. Liu, M.L. Helm, S. Lense, and D.L. DuBois, et al. 2013. "Conformational Dynamics and Proton Relay Positioning in Nickel Catalysts for Hydrogen Production and Oxidation." Organometallics 32, no. 23:7034-7042. PNNL-SA-97203. doi:10.1021/om400695w
• Ho M., S. Chen, R.J. Rousseau, M. Dupuis, R.M. Bullock, and S. Raugei. 2013. "Bio-Inspired Molecular Catalysts for Hydrogen Oxidation and Hydrogen Production." In Application of Molecular Modeling to Challenges in Clean Energy. ACS Symposium Series, edited by G Fitzgerald and N Govind. 89-111. Washington, District Of Columbia:American Chemical Society. PNNL-SA-92715.
• Ho M., S. Raugei, R.J. Rousseau, M. Dupuis, and R.M. Bullock. 2013. "Evaluation of the Role of Water in the H2 Bond Formation by Ni(II)-based Electrocatalysts." Journal of Chemical Theory and Computation 9, no. 8:3505-3514. PNNL-SA-95935. doi:10.1021/ct400396s
• Reback M.L., B. Ginovska-Pangovska, M. Ho, A. Jain, T.C. Squier, S. Raugei, and J.A. Roberts, et al. 2013. "The Role of a Dipeptide Outer-Coordination Sphere on H2 -Production Catalysts: Influence on Catalytic Rates and Electron Transfer." Chemistry - A European Journal 19, no. 6:1928-1941. PNNL-SA-89749. doi:10.1002/chem.201202849
• Stewart M.P., M. Ho, S. Wiese, M.L. Lindstrom, C.E. Thogerson, S. Raugei, and R.M. Bullock, et al. 2013. "High Catalytic Rates for Hydrogen Production Using Nickel Electrocatalysts with Seven-Membered Diphosphine Ligands Containing One Pendent Amine." Journal of the American Chemical Society 135, no. 16:6033-6046. PNNL-SA-92846. doi:10.1021/ja400181a
• Wiese S., U.J. Kilgore, M. Ho, S. Raugei, D.L. DuBois, R.M. Bullock, and M.L. Helm. 2013. "Hydrogen Production using Nickel Electrocatalysts with Pendant Amines: Ligand Effects on Rates and Overpotentials." ACS Catalysis 3, no. 11:2527-2535. PNNL-SA-95190. doi:10.1021/cs400638f

2012

• Lense S., M. Ho, S. Chen, A. Jain, S. Raugei, J.C. Linehan, and J.A. Roberts, et al. 2012. "Incorporating Amino Acid Esters into Catalysts for Hydrogen Oxidation: Steric and Electronic Effects and the Role of Water as a Base." Organometallics 31, no. 19:6719-6731. PNNL-SA-87812. doi:10.1021/om300409y
• Matson B.D., C.T. Carver, A.L. Von Ruden, J.Y. Yang, S. Raugei, and J.M. Mayer. 2012. "Distant protonated pyridine groups in water-soluble iron porphyrin electrocatalysts promote selective oxygen reduction to water." Chemical Communications 48, no. 90:11100-11102. PNNL-SA-89163. doi:10.1039/c2cc35576k
• O'Hagan M.J., M. Ho, J.Y. Yang, A.M. Appel, M. Rakowski DuBois, S. Raugei, and W.J. Shaw, et al. 2012. "Proton Delivery and Removal in [Ni(PR2NR'2)2]2+ Hydrogen Production and Oxidation Catalysts." Journal of the American Chemical Society 134, no. 47:19409-19424. PNNL-SA-88737. doi:10.1021/ja307413x
• Raugei S., S. Chen, M. Ho, B. Ginovska-Pangovska, R.J. Rousseau, M. Dupuis, and D.L. DuBois, et al. 2012. "The Role of Pendant Amines in the Breaking and Forming of Molecular Hydrogen Catalyzed by Nickel Complexes." Chemistry - A European Journal 18, no. 21:6493-6506. PNNL-SA-83517. doi:10.1002/chem.201103346
• Wiedner E.S., J.Y. Yang, S. Chen, S. Raugei, W.G. Dougherty, W.S. Kassel, and M.L. Helm, et al. 2012. "Stabilization of Nickel Complexes with Ni0···H-N Bonding Interactions Using Sterically Demanding Cyclic Diphosphine Ligands." Organometallics 31, no. 1:144-156. PNNL-SA-81603. doi:10.1021/om200709z

2011

• Dupuis M., S. Chen, S. Raugei, D.L. DuBois, and R.M. Bullock. 2011. "Comment on 'New Insights in the Electrocatalytic Proton Reduction and Hydrogen Oxidation by Bioinspired Catalysts: A DFT Investigation'." Journal of Physical Chemistry A 115, no. 18:4861-4865. PNNL-SA-76591. doi:10.1021/jp111479z
• Jain A., S. Lense, J.C. Linehan, S. Raugei, H.M. Cho, D.L. DuBois, and W.J. Shaw. 2011. "Incorporating Peptides in the Outer Coordination Sphere of Bio-inspired Electrocatalysts for Hydrogen Production." Inorganic Chemistry 50, no. 9:4073-4085. PNNL-SA-75284. doi:10.1021/ic1025872
• O'Hagan M.J., W.J. Shaw, S. Raugei, S. Chen, J.Y. Yang, U.J. Kilgore, and D.L. DuBois, et al. 2011. "Moving Protons with Pendant Amines: Proton Mobility in a Nickel Catalyst for Oxidation of Hydrogen." Journal of the American Chemical Society 133, no. 36:14301-14312. PNNL-SA-77814. doi:10.1021/ja201838x

2010

• Chen S., S. Raugei, R.J. Rousseau, M. Dupuis, and R.M. Bullock. 2010. "Homogeneous Ni catalysts for H2 Oxidation and Production: An Assessment of Theoretical Methods, from Density Functional Theory to Post Hartree-Fock Correlated Wave-Function Theory." Journal of Physical Chemistry A 114, no. 48:12716-12724. PNNL-SA-73995. doi:10.1021/jp106800n