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 Background
 •  Biographical details
 •  Collaborative experience
 •  Publications
 •  Patents
 
 
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 Papers are listed
                chronologically; a list grouped
                  by area is also available.
                R.D. CLARK, D.N. MORRIS, G. CHINIGO, M.S. LAWLESS,
                  J. PRUDHOMME, K.G. LE ROCH, M.J. LAFUENTE, S. FERRER,
                  F.J. GAMO, R. GADWOOD & W.S. WOLTOSZ. Design
                    and tests of prospective property predictions for
                    novel antimalarial 2-aminopropylaminoquinolones.
                  J. Comput.-Aided Molec. Design 2020, 34,
                  1117-1132.
D.A. SILVA, D.W. PATE, R.D. CLARK, N.M. DAVIES, A.O.
                  EL-KADI, & R. LÖBENBERG. Phytocannabinoid
                    drug-drug interactions and their clinical
                    implications. Pharmacology &
                    Therapeutics 2020, 215, 107621.
CLARK, R.D. Putting deep
                    learning in perspective for pest management
                    scientists. Pest Manage. Sci.
                    2020, 76, 2267-2275.
 
CLARK, R.D. A
                    path to next-generation reproducibility in
                    cheminformatics. J. Cheminform. 2019,
                  11, 62.
R.D. CLARK & P.R. DAGA. Building
                    a Quantitative Structure-Property Relationship
                    (QSPR) Model. In: Bioinformatics and Drug
                    Discovery,  Humana Press, 2019,
                    pp. 139-159.H. MASAMITSU, A.
                    KITAZAWA, A. CAYLEY, R.V. WILLIAMS, R.V. RICHARDS,
                    C. BARBER, T. HANSER, R. SAIAKHOV, S. CHAKRAVARTI,
                    G.J. MYATT, K.P.CROSS, E. BENFENATI, E. RAITANO, O.
                    MEKENYAN, P. PETKOV, C. BOSSA, B. ROMUALDO, C.L.
                    BATTISTELLI, A. GIULIANI, O. TCHEREMENSKAIA, C.
                    DEMEO, U. NORINDER, H. KOGA, C. JOSE, N. JELIAZKOVA,
                    N. KOCHEV, V. PASKALA, C. YANG, P.R. DAGA, R.D.CLARK
                    & J. RATHMAN.  Improvement
                      of quantitative structure–activity relationship
                      (QSAR) tools for predicting Ames mutagenicity:
                      outcomes of the Ames/QSAR International Challenge
                      Project. Mutagenesis 2019,
                      34, 3-16.
 
R.D.
                    CLARK. Predicting mammalian metabolism and toxicity
                    of pesticides in silico. Pest
                      Manage. Sci. 2018, 4,
                    1992-2003.
P.R. DAGA M.B. BOLGER,
                    I.S. HAWORTH, R.D. CLARK & E.J. MARTIN. Physiologically
                      based pharmacokinetic modeling in lead
                      optimization. 1. Evaluation and adaptation of
                      GastroPlus to predict bioavailability of medchem
                      series. Mol. Pharmaceutics 2018,
                    15, 821-30.
P.R. DAGA, M.B. BOLGER,
                    I.S. HAWORTH, R.D. CLARK & Eric J. Martin. Physiologically
                        Based Pharmacokinetic Modeling in Lead
                        Optimization. 2. Rational Bioavailability Design
                        by Global Sensitivity Analysis To Identify
                        Properties Affecting Bioavailability. Mol.
                        Pharmaceutics 2018, 15,
                      831-839.
 
                T.H. GRASELA, V. LUKACOVA, D.N. MORRIS, R.D. CLARK,
                  K.A. ANDREWS & M.B. Bolger. Human
                    PK Prediction and Modeling. In: Reference
                    Module in Chemistry, Molecular Sciences and Chemical
                    Engineering, Elsevier, 2016 (doi:
                  10.1016/B978-0-12-409547-2.12373-X)
 
M.S. LAWLESS, M.
                    WALDMAN, R. FRACZKIEWICZ & R.D. CLARK. Using
                      Cheminformatics in Drug Discovery. In: Handbook of
                      Experimental Pharmacology; U. Nielsch, U.
                    Fuhrmann & S. Jaroch, Eds.; Springer
                    International, Berlin, 2015 (doi: 10.1007/164_2015_23)M. WALDMAN, R. FRACZKIEWICZ & R.D. CLARK. Tales
                    from the War on Error: The Art and Science of
                    Curating QSAR Data. J. Comput.-Aided Molec. Design 2015,
                  
                  29, 897-910.R. FRACZKIEWICZ,  M. LOBELL, A.H. GÖLLER, U.R. SCHOENNEIS, R.D. CLARK
                  & A. HILLISCH.  Best
                    of Both Worlds: Combining Pharma Data and State of
                    the Art Modeling Technology to Improve in silico pKa
                    Prediction.  J. Chem. Inf. Model. 2015, 55, 389–397.
 
R.D. CLARK, W. LIANG, A.C. LEE, M.S. LAWLESS, R.
                  FRACZKIEWICZ & M. WALDMAN. Using
                    beta binomials to estimate classification
                    uncertainty for ensemble models.  J. Cheminfo. 2014, 6, 34.
 
R.D. CLARK.  Through
                    the Looking Glass: Adventures in Kinase Inhibitor
                    Design and Optimization.  J. Med. Chem. 
                  2013,
                  
                  56,
                  1796-1798.
 
R.D. CLARK.  A
                    perspective on the role of quantitative
                    structure–activity and structure–property
                    relationships in herbicide discovery.  Pest Manage. Sci. 
                  2012, 68, 513–518.R.D. CLARK & M. WALDMAN.  Lions
                    and tigers and bears, oh my! Three barriers to
                    progress in computer-aided molecular design.  J. Comput.-Aided Molec.
                    Design 2012,
                  26, 29-34
 
R.D. CLARK & U. NORINDER. Two
                    personal perspectives on a key issue in contemporary3D QSAR.   WIREs Comput. Mol. Sci. 2012, 2, 108–113.
 
 
R.D. CLARK & D.C. ROE. Similarity searching for
                  virtual screening. In: Handbook of Chemoinformatics Algorithms;
                  A. Bender & J.-L. Faulon, Eds.; CRC Press, Boca
                  Raton FL, 2010;
                  pp. 145-171.
 
R.D. CLARK & E.
                    ABRAHAMIAN. Using
                      a staged multi-objective optimization approach to
                      find selective pharmacophore models.  J. Comput.-Aided Molec.
                    Des. 2009,
                  23, 765-771.
R.D. CLARK.  Prospective
ligand-
                      and target-based 3D QSAR: State of the art 2008.
                    Curr. Topics Med.
                      Chem. 2009, 9, 791-810.R.D. CLARK. DPRESS:
Localizing
                      estimates of predictive uncertainty. J. Cheminformatics 2009, 1, 11.R.D. CLARK, J. K.
                    SHEPPHIRD & J. HOLLIDAY.  The
                      effect of structural redundancy in validation sets
                      on virtual screening performance. J. Chemometrics 2009, 23, 471-478.
 
P.C. FOX, P.R.N. WOLOHAN, E. ABRAHAMIAN & R.D.
                  CLARK. Parameterization
and
                    conformational sampling effects in pharmacophore
                    multiplet searching. J. Chem. Inf. Model. 2008, 48, 2326-2334.R.W. HOMER, J. SWANSON,
                  R.J. JILEK, T. HURST & R.D. CLARK. SYBYL line
                    notation (SLN): A single notation to represent
                    chemical structures, queries, reactions, and virtual
                    libraries.  J. Chem. Inf. Model. 2008, 48, 2294-2307.R.J. DORFMAN, K.M. SMITH, B.B. MASEK & R.D.
                  CLARK.  A
                    knowledge-based approach to generating diverse but
                    energetically representative ensembles of ligand
                    conformers. J.
                    Comput.-Aided Molec. Design 2008, 22, 681-691.R.D. CLARK. A
                    ligand’s-eye view of protein binding. J. Comput.-Aided Molec.
                    Design 2008,
                  22, 507-521.R.D. CLARK & D.J. WEBSTER-CLARK. Managing
bias
                    in ROC curves. J. Comput.-Aided Molec. Design 2008, 22, 141-146.
 
 P.R.N. WOLOHAN, L.B.
                  AKELLA, R.J. DORFMAN, P.G. NELL, S.M. MUNDT & R.D.
                  CLARK.  Structural Unit Analysis identifies lead
                  series and facilitates scaffold hopping in
                  combinatorial chemistry.  J. Chem. Inf. Model. 2006, 46, 1188-1193.A. STRIZHEV, E.J. ABRAHAMIAN, S. CHOI, J.M. LEONARD,
                  P.R.N. WOLOHAN & R.D. CLARK.  The effects of
                  biasing torsional mutations in a conformational
                  GA.  J. Chem.
                    Inf. Model. 2006,
                  46, 1862
                  -1870. J.K. SHEPPHIRD & R.D.
                  CLARK.  A marriage made in torsional space: Using
                  GALAHAD models to drive pharmacophore multiplet
                  searches. J.
                    Comput.-Aided Molec. Design 2006, 20, 763-771.N.J. RICHMOND, C.A. ABRAMS, P.R.N. WOLOHAN, E.
                  ABRAHAMIAN, P. WILLETT & R.D. CLARK. GALAHAD:
                    1. Pharmacophore identification by hypermolecular
                    alignment of ligands in 3D.  J. Comput.-Aided Molec.
                    Design 2006,
                  20, 567-587.F. SOLTANSHAHI, T.E. MANSLEY, S. CHOI & R.D.
                  CLARK. Balancing focused combinatorial libraries based
                  on multiple GPCR ligands. J. Comput.-Aided Molec. Design 2006, 20, 529-538.
 
 R.D. CLARK. Compound
                    selection. In: The Encyclopedia of Computational Chemistry
                  (online edition); P. von Ragué Schleyer, H.F. Schaefer
                  III, P.R. Schreiner, W.L. Jorgensen, W. Thiel &
                  R.C. Glen, Eds.; JohnWiley & Sons, Ltd.:
                  Chichester UK, 2005.R.D. CLARK, P.C. FOX & E. ABRAHAMIAN. Using
                  pharmacophore multiplet fingerprints for virtual
                  HTS.  In: Virtual
                    Screening in Drug Discovery; J. Alvarez &
                  B. Shoichet, Eds.; CRC Press, Taylor & Francis:
                  Boca Raton, FL, 2005;
                  pp.207-225.
 
R.D. CRAMER, R.J. JILEK, S. GUESSREGEN, S.J. CLARK,
                  B. WENDT & R.D. CLARK.  “Lead-Hopping”.
                  Validation of topomer similarity as a superior
                  predictor of similar biological activities. J. Med. Chem. 2004, 47, 6777-6791.D.G. SPROUS, D.R. LOWIS, J.M. LEONARD, T. HERITAGE,
                  S.N. BURKETT, D.S. BAKER & R.D. CLARK. OptiDock:
                  Virtual HTS of combinatorial libraries by efficient
                  sampling of binding modes in product space.  J. Comb. Chem. 2004, 6, 530-539.R.D. CLARK & P.C. FOX. Statistical variation in
                  progressive scrambling. J. Comput.-Aided Molec. Design 2004, 18, 563-576.R.D. CLARK, P.R.N. WOLOHAN, E.E. HODGKIN, J.H. KELLY
                  & N.L. SUSSMAN.  Modelling in vitro
                  hepatotoxicity using molecular interaction fields and
                  SIMCA. J. Mol.
                    Graph. Model. 2004, 22, 487-497.N.J. RICHMOND, P. WILLETT & R.D. CLARK.
                  Alignment of three-dimensional molecules using an
                  image recognition algorithm. J. Mol. Graph. Model. 2004, 23, 199-209.
  L. XING, R.C. GLEN &
                  R.D. CLARK. Predicting pKa by molecular tree
                  structured fingerprints and PLS.  J. Chem. Inf. Comput.
                    Sci. 2003,
                  43, 870-879.R.D. CLARK, J. KAR, L. AKELLA & F. SOLTANSHAHI.
                  OptDesign: Extending optimizable k-dissimilarity
                  selection to combinatorial library design.  J. Chem. Inf. Comput.
                    Sci. 2003,
                  43, 829-836.R.D. CLARK. Boosted leave-many-out cross-validation:
                  the effect of training and test set diversity on PLS
                  statistics.  J.
                    Comput.-Aided Molec. Design 2003, 17, 265-275.E. ABRAHAMIAN, P.C. FOX, L. NÆRUM, I.T. CHRISTENSEN,
                  H. THØGERSEN & R.D. CLARK. Efficient generation,
                  storage and manipulation of fully flexible
                  pharmacophore multiplets and their use in 3-D
                  similarity searching. J. Chem. Inf. Comput. Sci. 2003, 43, 458-468.P.R.N. WOLOHAN & R.D. CLARK. Predicting drug
                  pharmacokinetic properties using molecular interaction
                  fields and SIMCA.  J. Comput.-Aided Molec. Design 2003, 17, 65-76.R.D. CLARK & P.R.N. WOLOHAN.  Molecular
                  design and bioavailability.  Curr. Topics Med. Chem.
                  2003, 3,
                  1269-1288.
 
R.D. CLARK. Getting past diversity in assessing
                  virtual library designs.  J. Brazilian Chem. Soc.
                  2002, 13, 788-794.R.D. CLARK, A. STRIZHEV, J. LEONARD, J.F. BLAKE
                  & J.B. MATTHEW. Consensus scoring for
                  ligand/protein interactions.  J. Mol. Graph. Model.
                  2002, 20, 281-295.
 
 R.D. CLARK, D.G. SPROUS
                  & J.M. LEONARD. Validating models based on large
                  data sets.  In:  Rational Approaches to Drug Design;
                  H.-D. Höltje & W. Sippl, Eds.; Prous Science:
                  Barcelona, Spain, 2001;
                  pp 475-485. R.D. CLARK. Relative and absolute diversity
                  analysis of combinatorial libraries.  In: Combinatorial Library
                    Design and Evaluation for Drug Discovery:
                    Principles, Software Tools and Applications in Drug
                    Discovery; A.K. Ghose & V.N. Viswanadhan,
                  Eds.; Marcel Dekker: New York, NY, 2001; pp 337-362.
 
 R.D. CLARK, D.E.
                  PATTERSON, F. SOLTANSHAHI, J.F. BLAKE & J.B.
                  MATTHEW. Visualizing substructural fingerprints. 
                  J. Mol. Graph.
                    Model. 2000,
                  18, 404-411.R.D. CLARK, M. BRUSATI, R. JILEK, T. HERITAGE &
                  R.D. CRAMER. Validating novel QSAR descriptors for use
                  in diversity analysis.  In: Molecular Modeling and
                    Prediction of Bioactivity; K. Gundertofte
                  & F.S. Jørgensen, Eds.; Kluwer Academic/Plenum
                  Publishers, New York, NY, 2000; pp. 95-100
 R.D. CLARK, J.M. LEONARD & A. STRIZHEV. 
                  Pharmacophore models and comparative molecular field
                  analysis (CoMFA).  In: Pharmacophore Perception, Development, and
                    Use in Drug Design; O. Güner, Ed.;
                  International University Line: La Jolla, CA, 1999; pp.
                  151-169.R.D.
 
 R.D. CLARK & W.J.
                  LANGTON. Balancing representativeness against
                  diversity using optimizable K-dissimilarity and
                  hierarchical clustering.  J. Chem. Inf. Comput.
                    Sci. 1998,
                  38,
                  1079-1086.R.D. CRAMER, D.E. PATTERSON, R.D. CLARK, F.
                  SOLTANSHAHI & M.S. LAWLESS.  Virtual compound
                  libraries: A new approach to decision making in
                  molecular discovery research.  J. Chem. Inf. Comput.
                    Sci. 1998,
                  38,
                  1010-1023.R.D. CLARK, A.M. FERGUSON & R.D. CRAMER.
                  Bioisosterism and molecular diversity.  In: 3D QSAR in Drug Design,
                  Vol  2;  H. Kubinyi, Y.C. Martin & G.
                  Folkers, Eds.; Kluwer Academic Publishers: Dordrecht,
                  the Netherlands, 1998;
                  pp 211-224.
 
R.D. CLARK. OptiSim: An extended dissimilarity
                  selection method for finding diverse representative
                  subsets. J. Chem.
                    Inf. Comput. Sci. 1997, 37, 1181-1188. R.D. CLARK & R.D.
                  CRAMER. Taming the combinatorial centipede. CHEMTECH 1997, 27, 24-31.
 R.D. CRAMER, R.D. CLARK, D.E. PATTERSON & A.M.
                  FERGUSON. Bio-isosterism as a molecular diversity
                  descriptor: steric fields of single "topomeric"
                  conformers.  J.
                    Med. Chem. 1996,
                  39,
                  3060-3069.D.E. PATTERSON, R.D. CRAMER, A.M. FERGUSON, R.D.
                  CLARK & L.E. WEINBERGER.  Neighborhood
                  behavior: a useful concept for validation of molecular
                  diversity descriptors.   J. Med. Chem. 1996, 39, 3049-3059.R.D. CLARK. Synthesis and QSAR of herbicidal
                  3-pyrazolyl α,α,α-trifluorotolyl ethers.  J. Agricult. Food Chem.
                  1996, 44, 3643-3652.
 
R.D. CLARK, J.J. PARLOW, L.H. BRANNIGAN, D.M. SCHNUR
                  & D.L. DUEWER. Applications of scaled rank-sum
                  statistics in herbicide QSAR.  In: Classical and
                    Three-Dimensional QSAR in Agrochemistry, ACS
                  Symposium Series No. 606; C. Hansch and T. Fujita,
                  Eds.; American Chemical Society: Washington, DC, 1995; pp. 264-281.
 
J.J. PARLOW & R.D. CLARK. Synthesis and
                  herbicidal activity of phenylproparginols.  J. Agricult. Food Chem.
                  1994, 42, 2600-2609.R.D. CLARK.  Synthesis of protoporphyrinogen
                  oxidase inhibitors.  In: Porphyric Pesticides,
                  ACS Symposium Series No. 559; S.O. Duke and C.A.
                  Rebeiz, Eds.; American Chemical Society: Washington,
                  DC, 1994; pp.
                  34-47.K. MOEDRITZER, S.G. ALLGOOD, P. CHARUMILIND, R.D.
                  CLARK, B.J. GAEDE, M.L. KURTZWEIL, D.A. MISCHKE, J.J.
                  PARLOW, M.D. ROGERS, R.K. SINGH, G.L. STIKES &
                  R.K. WEBBER (1992).  Novel pyrazole phenyl ether
                  herbicides.  In: Synthesis and Chemistry of Agrochemicals
                    III, ACS Symposium Series No. 504;  D.R.
                  Baker, J.G. Feynes & J.J. Steffens, Eds.; American
                  Chemical Society: Washington, DC, 1994; pp 147-160.U.B. NANDIHALLI, M.V. DUKE, J.W. ASHMORE, V.A.
                  MUSCO, R.D. CLARK & S.O. DUKE. 
                  Enantioselectivity of protoporphyrinogen
                  oxidase-inhibiting herbicides.  Pest. Sci. 1994, 40, 265-277.
 
B.L. ARMBRUSTER, R.D. CLARK, C.R. SHARP & G.M.
                  DILL.  Herbicidal action of nitrophenyl ether MON
                  12800: Immunolocalization, ultrastructural, and
                  physiological studies. Pest. Biochem. Physiol. 1993, 47, 21-35.
 
T.M. SHERMAN, M.V. DUKE, R.D. CLARK, E.F. SANDERS,
                  H. MATSUMOTO & S.O. DUKE.  Pyrazole phenyl
                  ether herbicides inhibit protoporphyrinogen
                  oxidase.  Pest.
                    Biochem. Physiol. 1991, 40, 236-245.D.L. DUEWER & R.D. CLARK.  Rank-order
                  analysis for robust evaluation of multi-response,
                  multi-block comparisons.  J. Chemometrics 1991, 5, 503-521.
 
R.E. MCDONNELL, R.D. CLARK, W.A. SMITH & M.A.
                  HINCHEE.  A simplified method for the detection
                  of neomycin phosphotransferase II in transformed plant
                  tissues. Plant
                    Molec. Biol. Report. 1987, 5, 380-386.
 
R.D. CLARK, G. HIND & J. BENNETT.  Partial
                  purification of a spinach thylakoid protein kinase
                  that can phosphorylate light harvesting chlorophyll
                  a/b proteins.  In: Molecular Biology of the Photosynthetic
                    Apparatus; K.E. Steinbeck, S. Bonitz, C.J.
                  Arntzen & L. Bogorad, Eds.; Cold Spring Harbor
                  Laboratory: Cold Spring Harbor, 1985; pp. 259-267.
 
G. HIND, R.D. CLARK & J.P. HOUCHINS. 
                  Kinetic and spectroscopic studies of cytochrome b563
                  in isolated cytochrome b/f complex and in thylakoid
                  membranes.  In: Advances in Photosynthesis Research,
                  Vol I; C. Sybesma, Ed.; Martinus Nijhoff/Dr. W. Junk
                  Publishers: Dordrecht, the Netherlands, 1984; pp. 529-536.R.D. Clark, M.J. Hawkesford, S.J. Coughlan, J.
                  Bennett & G. Hind
 
R.D. CLARK & G. HIND.  Spectrally distinct
                  cytochrome b563 components in a chloroplast cytochrome
                  bf complex: interaction with a hydroxyquinoline
                  N-oxide.  Proc.
                    Natl. Acad. Sci. USA 1983, 80, 6249-6253.R.D. CLARK & G. HIND.  Isolation of a
                  five-polypeptide cytochrome bf complex from spinach
                  chloroplasts.  J.
                    Biol. Chem. 1983,
                  258,
                  10348-10354.
 
R.D. CLARK & R.E. MACDONALD. 
                  Photophosphorylation in envelope vesicles from
                  halobacteria.  Biochem.
                    Biophy. Res. Comm. 1981, 102, 545-553.
 
R.D. CLARK & R.E. MACDONALD.  Enzyme
                  crypticity as an indicator of membrane orien¬tation in
                  envelope vesicles from halobacteria.  Biochem. Biophys. Res.
                    Comm. 1980,
                  97,
                  1467-1473.
 
R.E. MACDONALD, R.V. GREENE, R.D. CLARK & E.V.
                  LINDLEY.  Characterization of the light-driven
                  sodium pump of Halobacterium halobium.  J. Biol. Chem. 1979, 254, 11831-11838.  SPECIAL JOURNAL
                ISSUES EDITED
                R.D. CLARK, ED. Dr. Philip S. Magee Memorial
                  Issue.  J.
                    Comput.-Aided Molec. Design 2008, 22(6-7).R.D. CLARK, ED. Special Section: QSAR in vivo. J. Mol. Graph. Model. 2002, 20, 257-309. |