This is the home of a collection of faculty scholarship from the Department of Physical & Earth Sciences at Arkansas Tech University.

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Submissions from 2021

Semisynthetic Derivatives of the Verticillin Class of Natural Products through Acylation of the C11 Hydroxy Group, Chiraz Soumia M. Amrine, Andrew C. Huntsman, Michael G. Doyle, Joanna E. Burdette, Cedric J. Pearce, James Fuchs R., and Nicholas H. Oberlies

Antioxidant, Antibacterial, and Cytotoxic Activities of Cedrus atlantica Organic Extracts and Essential Oil, Nassim Belkacem, Bachra Khettal, Mohammad Hudaib, Yasser Bustanji, Bashaer Abu-Irmaileh, and Chiraz Soumia M. Amrine

Submissions from 2020


Verticillin A Causes Apoptosis and Reduces Tumor Burden in High-Grade Serous Ovarian Cancer by Inducing DNA Damage, Amrita Salvi, Chiraz Soumia M. Amrine, Julia R. Austin, Ki Aundra Kilpatrick, Angela Russo, Daniel Lantvit, Esther Calderon-Gierszal, Zachary Mattes, Cedric J. Pearce, Mark W. Grinstaff, Aaron H. Colby, Nicholas H. Oberlies, and Joanna E. Burdette

Submissions from 2019

Engineering Fluorine into Verticillins (Epipolythiodioxopiperazine Alkaloids) via Precursor-Directed Biosynthesis, Chiraz Soumia M. Amrine, Jessica L. Long, Huzefa A. Raja, Steven J. Kurina, Joanna E. Burdette, Cedric Pearce J., and Nicholas H. Oberlies

Selective Detection of Human Serum Albumin by Near Infrared Emissive Fluorophores: Insights Into Structure-Property Relationship, Rajib Choudhury, Siddhi Rajeshbhai Patel, and Anindya Ghosh


Droplet Probe: Coupling Chromatography to the: In situ Evaluation of the Chemistry of Nature, Nicholas H. Oberlies, Sonja L. Knowles, Chiraz Soumia M. Amrine, Diana Kao, Vilmos Kertesz, and Huzefa Raja A.

Submissions from 2018


Media Studies to Enhance the Production of Verticillins Facilitated by In Situ Chemical Analysis, Chiraz Soumia M. Amrine, Huzefa A. Raja, Blaise A. Darveaux, Cedric J. Pearce, and Nicholas H. Oberlies

A Red Emissive Donor-Acceptor Fluorophore as Protein Sensor: Synthesis Characterization and Binding Study, Rajib Choudhury, Hope E. Parker, Kassandra M. Cendejas, and Kalie L. Mendenhall

Ultrafast Electron Transfer Across a Nanocapsular Wall: Coumarins as Donors Viologen as Acceptor and Octa Acid Capsule as the Mediator, Chi Hung Chuang, Mintu Porel, Rajib Choudhury, Clemens Burda, and V. Ramamurthy

Cyclic Tetranuclear Iron-Carbonyl Complex Containing Thiobisbenzenethiolate Ligands: Synthesis and Structural Characterization, Shakeena L. Johnson, Nikolay N. Gerasimchuk, and Charles A. Mebi

Variations in Dissolved Nitrate Chloride and Sulfate in Precipitation Reservoir and Tap Waters Columbus Ohio, Deborah L. Leslie and W. Berry Lyons


Crystal and Electronic Structure of a Hexacarbonyldiiron Cluster Tethered To Naphthalene-2-Thiolate Ligands, Charles Mebi, Nikolay Gerasimchuk, and Jordan Labrecque


Orbital Light Curves of UU Aquarii in Stunted Outburst, J. W. Robertson, R. K. Honeycutt, A. A. Henden, and R. T. Campbell

Determination of Resonance Locations in NGC 613 From Morphological Arguments, Marc S. Seigar, Amber Harrington, and Patrick Treuthardt

A Computational Examination of the Binding Interactions of Amyloid β and Human Cystatin C, Arun K. Sharma, Joseph Persichetti, Ermin Tale, Gent Prelvukaj, Tyler Cropley, and Rajib Choudhury

Submissions from 2017

Predicting Conformations and Orientations of Guests Within a Water Soluble Host: A Molecular Docking Approach, Kassandra Cendejas and Rajib Choudhury

Supramolecular Self-Assembly of Water-Soluble Cavitands: Investigated by Molecular Dynamics Simulation, Kassandra Cendejas, Hope E. Parker, Dennis Molina, and Rajib Choudhury

Ultrafast Electron Transfer From Upper Excited State of Encapsulated Azulenes to Acceptors Across an Organic Molecular Wall, A. Mohan Raj, Mintu Porel, Puspal Mukherjee, Xiuyuan Ma, Rajib Choudhury, Elena Galoppini, Pratik Sen, and V. Ramamurthy

Submissions from 2016

[Fe-Fe] Hydrogenase Models: Iron(I)-Carbonyl Clusters Coupled To Alpha- and Para-Toluenethiolate Ligands, Adrian L. Haley, Lauren N. Broadbent, Lindsey S. McDaniel, Skye T. Heckman, Carlee H. Hinkle, Nikolay N. Gerasimchuk, John C. Hershberger, and Charles A. Mebi

Phenylthiolate-Diironhexacarbonyl Complexes: A Comparative Conceptual DFT and Electrochemical Study, Jazlynn C. Wisener, Kaitlin T. Patton, Johnson K. Agbo, and Charles A. Mebi

Submissions from 2014

Bioactive Withanolides from Withania obtusifolia, Feras Q. Alali, Chiraz Soumia M. Amrine, Tamam El-Elimat, Ahmad Alkofahi, Khaled Tawaha, Mohammad Gharaibah, Steven M. Swanson, Joseph O. Falkinham, Marisa Cabeza, Araceli Sánchez, Mario Figueroa, and Nicholas H. Oberlies


The Long-Term Light Curve of the Cataclysmic Variable V794 Aquilae, R. K. Honeycutt, S. Kafka, and Jeff W. Robertson


The 1991-2012 Light Curve of the Old Nova HR LYRAE, R. K. Honeycutt, J. Shears, S. Kafka, Jeff W. Robertson, and A. A. Henden

Submissions from 2013

Redox Chemistry of Noninnocent Quinones Annulated To 2Fe2S Cores, Gabriel B. Hall, Jinzhu Chen, Charles A. Mebi, Noriko Okumura, Matthew T. Swenson, Stephanie E. Ossowski, Uzma I. Zakai, Gary S. Nichol, Dennis L. Lichtenberger, Dennis H. Evans, and Richard S. Glass

Light Curve of CR Bootis 1990-2012 From the Indiana Long-Term Monitoring Program, R. Kent Honeycutt, Brice R. Adams, George W. Turner, Jeff W. Robertson, Eric M. Ost, and J. Edward Maxwell


Wind Variability in BZ Camelopardalis, R. K. Honeycutt, S. Kafka, and Jeff W. Robertson

Using Naphthalene-2-Thiolate Ligands in the Design of Hydrogenase Models With Mild Proton Reduction Overpotentials, Charles A. Mebi, Derek S. Karr, and Bruce C. Noll

Submissions from 2012


Diironcarbonyl-Coumarin Complex: Preparation Intramolecular Electron Transfer and Electro-Generation of Hydrogen, Charles A. Mebi, Joshua J. Trujillo, and Anwar A. Bhuiyan

Iron(I)-Carbonyl Clusters Tethered To (Trifluoromethyl)Thiophenolates, Charles A. Mebi, Joshua J. Trujillo, Britney L. Rosenthal, Robert B. Bowman, Bruce C. Noll, and Patrick J. Desrochers

Submissions from 2011


The Chromospheric Activity of [HH97 FS Aur-79: a Close Binary With Late-Type Active (Dk7E+Dm3E) Components, S. J. Austin, Jeff W. Robertson, T. R. De Souza, C. Tycner, and R. K. Honeycutt


The 2001-2003 Low State of Nova Lacertae 1950 (DK LAC), R. K. Honeycutt, S. Kafka, H. Jacobson, A. A. Henden, D. Hoffman, T. Maxwell, Jeff W. Robertson, and K. Croxall


The Dwarf Nova Outbursts of Nova Her 1960 (=V446 Her), R. K. Honeycutt, Jeff W. Robertson, and S. Kafka

Enhanced Bone Cells Growth and Proliferation On TiO2 Nanotubular Substrates Treated by RF Plasma Discharge, Meena Mahmood, Philip Fejleh, Alokita Karmakar, Ashley Fejleh, Yang Xu, Ganesh Kannarpady, Hidetaka Ishihara, Rajesh Sharma, Zhongrui Li, Anindya Ghosh, Steve Trigwell, Franklin D. Hardcastle, Daniel Casciano, Guna Selvaduray, and Alexandru S. Biris

Diironhexacarbonyl Clusters With Imide and Amine Ligands: Hydrogen Evolution Catalysts, Charles A. Mebi, Derek S. Karr, and Ruixiao Gao

Synthesis and Characterization of Cr(III), Mn(II), Co(II), Ni(II), and Cu(II) Complexes with a Hexadentate Hemi-Cage Ligand Formed with Bipyridine, A. L. Williams, Anwar Bhuiyan, M. O. Turner, F. Millett, and B. Durham

Submissions from 2010

Synthesis of Diiron Hydrogenase Mimics Bearing Hydroquinone and Related Ligands. Electrochemical and Computational Studies of the Mechanism of Hydrogen Production and the Role of O-H S Hydrogen Bonding, Jinzhu Chen, Aaron K. Vannucci, Charles A. Mebi, Noriko Okumura, Susan C. Borowski, Matthew Swenson, L. Tori Lockett, Dennis H. Evans, Richard S. Glass, and Dennis L. Lichtenberger

Submissions from 2008

Synthesis and Characterization of Ruthenium(II) Phenanthroline Complexes Containing Quaternary Amine Substituents, Anwar A. Bhuiyan, R. Dossey, T. J. Anderson, F. Millett, and B. Durham


New Complexities in the Low-State Line Profiles of AM Herculis, S. Kafka, T. Ribeiro, R. Baptista, R. K. Honeycutt, and Jeff W. Robertson

Orbit-Resolved Photometry and Echelle Spectroscopy of the Cataclysmic Variable ST LMi During a 2007 High State, Jeff W. Robertson, Steve B. Howell, R. K. Honeycutt, S. Kafka, and T. Campbell

Submissions from 2007

Late-Type Near-Contact Eclipsing Binary [HH97] Fs Aur-79, Jeff W. Robertson, R. K. Honeycutt, S. J. Austin, C. Tycner, and T. Campbell

Submissions from 2001

Zeolite-Based Organized Molecular Assemblies. Photophysical Characterization and Documentation of Donor Oxidation Upon Photosensitized Charge Separation, Anwar A. Bhuiyan and James R. Kincaid

Submissions from 2000

Resonance Raman characterization of excitonically coupled meso,meso-linked porphyrin arrays, Anwar A. Bhuiyan, Jyoti Seth, Naoya Yoshida, Atsuhiro Osuka, and David F. Bocian


Post-Common-Envelope Binary Stars and the Precataclysmic Binary PG 1114+187, Todd C. Hillwig, R. Kent Honeycutt, and Jeff W. Robertson


Reconnaissance of Suspected Old Novae, Jeff W. Robertson, R. K. Honeycutt, T. Hillwig, J. S. Jurcevic, and A. A. Henden

Submissions from 1999

Synthesis and Spectroscopic Characterization of a Zeolite-Entrapped Ru(bpy)2(dpp)2+ Complex, Anwar A. Bhuiyan and James R. Kincaid

Submissions from 1998

Synthesis and Photophysical Properties of Zeolite-Entrapped Bisterpyridine Ruthenium(II). Dramatic Consequences of Ligand-Field-State Destabilization, Anwar A. Bhuiyan and James R. Kincaid


Spectroscopic and Photometric Analysis of the Nova-Like Cataclysmic Variable PG 1000+667: A New VY Sculptoris Star, T. C. Hillwig, Jeff W. Robertson, and R. K. Honeycutt

Submissions from 1997

Resonance Raman and time-resolved resonance Raman studies of complexes of divalent ruthenium with bipyridine and 4,4′-bipyrimidine ligands, David J. Ma'nuel, Dennis P. Strommen, Anwar Bhuiyan, Milan Sykora, and James R. Kincaid