Johnson & Johnson Pharmaceutical Research & Development
Welsh & McKean Roads
Spring House, PA 19477
USA
Tel:  (215) 628-6814
Fax: (215) 540-4619
Business E-mail: dagrafio@its.jnj.com

Personal E-mail: dimitris.agrafiotis@gmail.com
Home Page:
www.dimitris-agrafiotis.com

LinkedIn
 



Informatics executive with extensive experience in building and leading large multi-disciplinary informatics groups to support pharmaceutical R&D, in both biotech and large pharma.

Experienced global leader with proven ability to identify strategic initiatives, align stakeholders, and deliver elegant and workable solutions on time and on budget.

Widely published and respected scientist with extensive background in informatics and modeling, structure-based drug design, medicinal and combinatorial chemistry, high-throughput screening, biophysics, and translational technologies. Extensive public sector advisory work.

Accomplished software architect and information integrator, creator of numerous highly successful enterprise-wide information management systems used by thousands of scientists around the world, including discovery data warehouses, electronic lab notebooks, compound and sample management systems, high-throughput/high-content screening platforms, and advanced data mining, analysis and visualization tools to support discovery, clinical, epidemiological, and translational research.

Entrepreneur and innovator with extensive experience in intellectual property development. Inventor on 18 issued US patents in multiple areas of informatics and computational drug design.

Advocate of empowered leadership with a passion for building organizational frameworks that promote collaboration, engagement and connectivity across functional, regional, and cultural boundaries.
 

1990 - 1991

Harvard University
Postdoctoral Fellow
Research Advisor: Prof. Elias J. Corey (Nobel laureate in Chemistry, 1990)
 

1988 - 1990

University of California, Berkeley
Postdoctoral Fellow (Alexander Onassis Fellow)
Research Advisor: Prof. Andrew Streitwieser
 

1985 - 1988

Ph.D., Imperial College of Science & Technology, University of London
Theoretical Organic Chemistry (Alexander Onassis Fellow)
Research Advisor: Prof. Henry Rzepa
Thesis: “Molecular orbital studies of dihydrogen transfers and other reactions”
 

1981 - 1985

B.S., University of Patras, Greece
Chemistry
Research Advisor: Prof. Dionissios Papaioannou
Thesis: “Synthesis of methotrexate analogs”

2003 - Pres.

Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Vice President, Informatics (2006 - )

Responsible for all information management systems for research & early development worldwide, and for setting global information technology strategy and architecture for pharmaceutical R&D. Design, development and support of numerous highly successful enterprise-wide information management systems used by thousands of scientists around the world, including discovery data warehouses, electronic lab notebooks, compound and sample management systems, high-throughput/high-content screening platforms, and advanced data mining, analysis and visualization tools for discovery, clinical, epidemiological, and translational research. Management and successful deployment of the ERIS platform, a new global regulatory information management system aimed at harmonizing electronic submissions to the health authorities around the world. Methods development in the areas of computational drug design, chemo, bio and clinical informatics, data analysis, and visualization. Management of a team of >100 employees and contractors.

Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Senior Research Fellow & Team Leader, Molecular Design & Informatics (2003 - 2006)

Management of computer-assisted drug design and informatics groups (17 PhD, 3 MS) at the Exton, Cranbury and Spring House sites. Management of database and software systems supporting J&J's compound and screening logistics. Design and implementation of ABCD, a global informatics framework for J&J PRD. Development of new algorithms for structure-based drug design, combinatorial chemistry, structure-activity correlation and virtual screening, and application of computational methods to J&J's internal discovery programs.

Indiana University School of Informatics, Bloomington
Adjunct Professor of Informatics (2006 – )

University of Athens School of Pharmacy
Adjunct Professor (2009 – )

 

1994 - 2003.

3-Dimensional Pharmaceuticals, Inc.
Executive Director, Informatics

Conception, design and implementation of DirectedDiversity®, an integrated, patented system for computer-assisted combinatorial drug design. Development of novel algorithms for the rapid enumeration and characterization of virtual libraries. Development of machine learning algorithms for structure-activity correlation and property prediction based on multivariate statistics, Bayesian methods, decision tress, case-based reasoning, neural networks, and fuzzy logic. Development of new algorithms for diversity assessment, compound selection, and multi-objective experiment planning based on simulated annealing, evolutionary programming and genetic algorithms. Application of novel optimization techniques based on artificial ant colony systems and particle swarms to structure-activity correlation, geometry optimization, and library design. Development of novel nonlinear mapping algorithms for massive data sets. Development of new methodologies for protein sequence analysis and classification. Development of new algorithms for encoding the human perception of molecular similarity. Development of new algorithms for conformational analysis, pharmacophore hypothesis generation, and biomolecular docking of large combinatorial libraries. Development of a comprehensive C++ foundation class library for molecular computation. Development of advanced graphical user interfaces for all the components of the DirectedDiversity® system. Development of integrated applications for high-throughput screening data reduction (Assay) and protein sequence analysis (Proteomica™). Homology modeling of G-protein coupled receptors. Design, implementation and management of 3DP's web-based DiscoverWorks informatics system. Application of DirectedDiversity® in 3DP’s internal and collaborative drug discovery efforts. Group (7 PhD, 3 MS) and project management.
 

1991 - 1994

Parke-Davis Pharmaceutical Research, Warner-Lambert Co. (now Pfizer Inc.)
Senior Scientist, Computer-Assisted Drug Design

Development of new parallel biomolecular docking algorithms based on simulated annealing and Darwinian evolution. Molecular modeling of growth factors. Pharmacophore modeling of selected antibacterial quinolones. Development of a large library of reusable software tools for molecular modeling applications.
 

1990 - 1991

Harvard University
Postdoctoral Fellow
Research Advisor: Prof. Elias J. Corey

Enhancements to the LHASA program for computer-assisted synthetic analysis. Development of a new suite of algorithms for the rapid three-dimensionalization of molecular structures, that allow LHASA to determine the stability of compounds generated in the course of a retrosynthetic analysis, to estimate equilibrium compositions and to determine the stereochemical outcome of reactions controlled by steric approach preferences .
 

1988 - 1990

University of California, Berkeley
Postdoctoral Fellow (Alexander Onassis Fellow)
Research Advisor: Prof. Andrew Streitwieser

Development of the electron density analysis program PRODEN. The program computes projected, planar and three-dimensional densities from ab initio wave-functions, and calculates atomic populations by demarkating and integrating the two-dimensional data. Development of graphics routines for rendering atomic virial surfaces and their PRODEN approximations, and integration into a portable general-use graphics package. Ab initio calculations on the solvation effects on the structure and electronic structure of lithium amide dimer, the pseudorotation mechanism of model phosphoranes, and the effects of adjacent heteroatoms in carbanion stability.
 

1985 - 1988

Imperial College of Science & Technology, University of London
Graduate Student (Alexander Onassis Fellow)
Research Advisor: Prof. Henry Rzepa

Theoretical SCF-MO investigation of the reaction mechanisms, substituent effects and kinetic isotope effects of dihydrogen transfers, dihydrogen eliminations, the Baeyer-Villiger and Stevens rearrangements and 2-azirine rearrangements, using semi-empirical and ab initio  theory. Implementation and evaluation of the Broyden-Fletcher-Goldfarb-Shanno variable metric minimization algorithm for geometry optimization, using the MNDO and AM1 procedures. Development of a portable computer graphics package for contouring, surface rendering and molecular plotting.

 

Chemoiformatics, bioinformatics, biomedical informatics, data integration, data visualization, computational chemistry, computational biology, computer-assisted drug design, artificial intelligence, algorithms, software engineering.

2009

Harvard Business School

Johnson & Johnson Strategic Leadership Program

 

2008

The Wharton School, University of Pennsylvania
Executive Development Program
 

2001

Massachusetts Institute of Technology
Bioinformatics: Principles, Methods and Applications
 

1992

Drew University
Residential School on Medicinal Chemistry
 

2003

Innovative Combinatorial Approaches and Technologies
University of Florence, Italy
Faculty

 

1998

2nd European Workshop in Drug Design
University of Siena, Italy
Faculty
 

1986 - 1988

Imperial College of Science & Technology, University of London
Imperial College Computer Centre
Program Advisor, Teaching Assistant

 

2007 - pres

Editorial Board, Journal of Chemical Information & Modeling
 

1999 - pres

Editorial Board, Molecular Informatics
 

2005 - 2009

Editorial Board, Journal of Molecular Graphics & Modeling

 

2005 - pres

Editorial Board, Chemical Biology & Drug Design
 

2007 - pres

Editorial Board, Molecular Diversity
 

2005 - pres

Board of Directors, International QSAR & Modeling Society (http://www.qsar.org/)
 

2007 - pres

Board of Trustees, Chemical Structure Association Trust (http://www.csa-trust.org/)
 

2005 - pres

Scientific Advisory Board, NIH Center for Chemoinformatics Research, Indiana University School of Informatics
 

2005 - pres

Scientific Advisory Board, NIH Center for Chemoinformatics Research, University of North Carolina at Chapel Hill
 

2006 - pres

Scientific Advisory Board, NIH Center for Chemoinformatics Research, Rensselaer Polytechnic Intitute
 

2005 - pres

NIH Review Committee, NIH Roadmap, Computational Biophysics
 

2003

Scientific Advisory Board, IBC Conference on Design & Synthesis of Target Based Compound Libraries
 

2000

Guest Editor, Special Issue on Combinatorial Library Design, Journal of Molecular Graphics and Modeling
 

2004

Scientific Advisory Board, EuroQSAR 2004
 

2005

Scientific Advisory Board & Conference Organizer, Pacifichem 2005
 

2005 - 2011

Scientific Advisory Board, International Conference on Chemical Structures (ICCS)
 

2010

Co-Chair, EuroQSAR 2010

 

1996 - pres

Reviewer
Nature Rev., J. Med. Chem., J. Chem. Info. Comput. Sci., J. Comput. Chem., J. Mol. Graphics Modell., J. Comput. Aid. Mol. Des., Protein Eng., QSAR, SAR and QSAR Environ. Res.
 

1986 - 1988

Alexander Onassis Fellowship, Imperial College of Science & Technology
 

1988 - 1989

Alexander Onassis Fellowship, University of California, Berkeley
 

1999

Outstanding Achievement Award, 3-Dimensional Pharmaceuticals, Inc.
 

2005

J&J Image Award (outstanding application of information technology)
 

American Chemical Society
American Association for the Advancement of Science
Association of Greek Chemists
 


 

Date of Birth:

May 30, 1964, in Athens, Greece

Citizenship:

USA, Greece

Marital Status:

Married to Konstadina Vlahogiani (Environmental Scientist), father of two daughters.

Dr. Michael Jackson
Vice President, Drug Discovery & Development, Sanford Burnham Medical Research Institute, La Jolla, CA
(Formerly Senior VP of Drug Discovery and Chief Scientific Officer at Johnson & Johnson Pharmaceutical Research & Development)
Tel: +1 (858) 795-5201
E-mail: mjackson@sanfordburnham.org

Dr. F. Raymond Salemme
CEO at Redpoint Bio Corporation
(Formerly Founder, President and CSO of 3-Dimensional Pharmaceuticals, Inc.)
Tel: +1 (
215) 504-0836
E-mail:
fsalemme1@comcast.net

Dr. John Reynders
Vice President, Information, AstraZeneca
(Formerly Senior VP and Chief Information Officer at Johnson & Johnson Pharmaceutical Research & Development)
Tel: +1 (781) 839-4915
E-mail: john.reynders@astrazeneca.com

Dr. David U’Prichard
President, Druid Consulting, LLC
(Formerly Chairman of R&D at SmithKline Beecham, and CEO of 3-Dimensional Pharmaceuticals, Inc.)
Tel: +1 (215) 928-9226
E-mail: dcuprichard@druidconsult.com

Prof. Elias J. Corey
Department of Chemistry, Harvard University, Cambridge, MA
Tel: +1 (617) 495-4033
E-mail:
corey@chemistry.harvard.edu

Prof. Michael Levitt
Chairman, Department of Structural and Cell Biology, Stanford University, Stanford, CA
Tel: +1 (415) 723-6800
E-mail: levitt@hyper.stanford.edu
 


1.       Agrafiotis DK*. Molecular orbital studies of dihydrogen transfers and other reactions. Ph.D. Thesis, Department of Chemistry, Imperial College of Science & Technology, University of London, 1988.

2.       Graybill TL*, Agrafiotis DK, Bone R, Illig CR, Jaeger EP, Locke KT, Lu T, Salvino JM, Soll RM, Spurlino JC, Subasinghe N, Tompczuk BE, Salemme FR. Enhancing the drug discovery process by integration of high-throughput chemistry and structure-based drug design. In Molecular Diversity and Combinatorial Chemistry, Chaiken IM, Janda KD, Eds., ACS, Washington D. C., 1996, 16-26.

3.       Agrafiotis DK*. Diversity of chemical libraries. In The Encyclopedia of Computational Chemistry, Schleyer PvR, Allinger NL, Clark T, Gasteiger J, Kollman PA, Schaefer III HF, Schreiner PR, Eds., John Wiley and Sons, Chichester, 1998, Vol. 1, 742-761. [PDF]

4.       Agrafiotis DK*, Myslik JP, Salemme FR. Advances in diversity profiling and combinatorial series design. In Annual Reports in Combinatorial Chemistry and Molecular Diversity, Pavia M, Moos W, Eds., Kluwer, 1999, 2, 71-92.

5.       Agrafiotis DK*, Lobanov VS, Rassokhin DN, Izrailev S. The measurement of molecular diversity. In Virtual Screening of Bioactive Molecules, Böhm H-J, Schneider G, Eds., Wiley-VCH, Weinheim, 2000, 265-300.

6.       Farnum M, DesJarlais R, Agrafiotis DK*. Molecular diversity. In Chemoinformatics - From Data to Knowledge, Gasteiger J, EEd., John Wiley & Sons, Chichester, 2003.

7.       Gibbs AC, Agrafiotis DK*. Chemical diversity: definition and quantification. In Exploiting Chemical Diversity for Drug Discovery, Bartlett P, Entzeroth M, Eds., The Royal Society of Chemistry, 2006, 139-160.

8.       Krein M, Huang T-W, Morkowchuk L, Agrafiotis DK; Breneman CM. Developing best practices for descriptor-based property prediction: appropriate matching of datasets, descriptors, methods, and expectations. In Statistical Modelling of Molecular Descriptors in QSAR/QSPR. Dehmer M, Varmuza K, Bonchev B, Eds, Wiley-VCH, 2011, in press.
 

8.       Agrafiotis DK, Rzepa HS*. Dihydrogen transfer reactions. An SCF-MO study of the relative energies of the concerted and stepwise pathways. J. Chem. Soc., Chem. Commun. 1987, 902.

9.       Agrafiotis DK, Rzepa HS*. Evaluation of the Broyden-Fletcher-Goldfarb-Shanno (BFGS) variable metric method in geometry optimisation using semi-empirical SCF-MO procedures. J. Chem. Research (S) 1988, 101.

10.    Agrafiotis DK, Rzepa HS*. A theoretical MNDO and AM1 SCF-MO study of dihydrogen elimination reactions. J. Chem. Soc., Perkin Trans. II 1989, 367.

11.    Agrafiotis DK, Rzepa HS*. A theoretical MNDO and AM1 SCF-MO study of dihydrogen transfer reactions. J. Chem. Soc., Perkin Trans. II 1989, 475.

12.    Agrafiotis DK*, Streitwieser A, Rzepa HS, MOLECULE: A GKS graphical display package. QCPE Bull. 1989, 9, 127, Program 583.

13.    Wang P, Agrafiotis DK, Streitwieser A*, Schleyer PvR*. Berry and turnstyle processes in the preudorotation of three phosphoranes. J. Chem. Soc., Chem. Commun. 1990, 201.

14.    Agrafiotis DK, Tansy BL, Streitwieser A*. PRODEN, a new electron density analysis program. J. Comp. Chem. 1990, 11(9), 1101.

15.    Agrafiotis DK*, Tansy B,  Streitwieser A. PRODEN: A new electron density analysis program. QCPE Bull. 1991, 11, 13, Program 600.

16.    Spiegel K, Agrafiotis DK, Carpathe B, Davis RE, Dickerson MR, Fergus JH, Hepburn TW, Marks JS, Van Dorf M, Wieland DM, Jaen JC*. PD 90780, a non-peptide inhibitor of nerve growth factor’s binding to the P75 NGF receptor. Biochem. Biophys. Res. Comm. 1995, 217(2), 488.

17.    Agrafiotis DK*. Stochastic algorithms for maximizing molecular diversity. 3-rd Elec. Comput. Chem. Conf. 1996.

18.    Agrafiotis DK*. A new method for analyzing protein sequence relationships based on Sammon maps. Protein Sci. 1997, 6(2), 287. [PDF]

19.    Agrafiotis DK*. On the use of information theory for assessing molecular diversity. J. Chem. Info. Comp. Sci. 1997, 37(3), 576. [PDF]

20.    Agrafiotis DK*. Stochastic algorithms for maximizing molecular diversity. J. Chem. Info. Comp. Sci. 1997, 37(5), 841. [PDF]

21.    Agrafiotis DK*, Myslik JP, Salemme FR. Advances in diversity profiling and combinatorial series design. Mol. Diversity 1999, 4, 1-22. [PDF]

22.    Agrafiotis DK*, Lobanov VS. An efficient implementation of distance-based diversity metrics based on k-d trees. J. Chem. Info. Comp. Sci. 1999, 39(1), 51-58. [PDF]

23.    Lobanov VS*, Agrafiotis DK. Stochastic similarity selections from large combinatorial libraries. J. Chem. Info. Comput. Sci. 2000, 40, 460-470. [PDF]

24.    Agrafiotis DK*, Lobanov VS. Ultrafast algorithm for designing focused combinatorial arrays. J. Chem. Info. Comput. Sci. 2000, 40, 1030-1038. [PDF]

25.    Boyd DB, Agrafiotis DK, Martin EJ. Introduction and forward to the special issue on combinatorial library design. J. Mol. Graphics Modell. 2000, 18, 317-319.

26.    Rassokhin DN, Agrafiotis DK*. Kolmogorov-Smirnov statistic and its applications in library design. J. Mol. Graphics Modell. 2000, 18(4-5), 370-384. [PDF]

27.    Agrafiotis DK*, Lobanov VS. Nonlinear mapping networks. J. Chem. Info. Comput. Sci. 2000, 40, 1356-1362. [PDF]

28.    Agrafiotis DK*. A constant time algorithm for estimating the diversity of large chemical libraries. J. Chem. Info. Comput. Sci. 2001, 41(1), 159-167 [PDF].

29.    Izrailev S*, Agrafiotis DK. A new method for building regression tree models for QSAR based on artificial ant colony systems. J. Chem. Info. Comput. Sci. 2001, 41(1), 176-180. [PDF]

30.    Rassokhin DN, Lobanov VS, Agrafiotis DK*. Nonlinear mapping of massive data sets by fuzzy clustering and neural networks. J. Comput. Chem. 2001, 22(4), 373-386. [PDF]

31.    Agrafiotis DK*, Rassokhin DN, Lobanov VS. Multidimensional scaling and visualization of large molecular similarity tables. J. Comput. Chem. 2001, 22(5), 488-500. [PDF]

32.    Agrafiotis DK*, Rassokhin DN. Design and prioritization of plates for high-throughput screening. J. Chem. Info. Comput. Sci. 2001, 41(3), 798-805. [PDF]

33.    Agrafiotis DK*. Multiobjective optimization of combinatorial libraries. IBM J. Res. Develop. 2001, 45(3/4), 545-566. [PDF]

34.    Lobanov VS*, Agrafiotis DK. Combinatorial networks. J. Mol. Graphics Modell. 2001, 19(6), 571-578. [PDF]

35.    Agrafiotis DK, Lobanov VS*. Multidimensional scaling of combinatorial libraries without explicit enumeration. J. Comput. Chem. 2001, 22(14), 1712-1722. [PDF]

36.    Izrailev S*, Agrafiotis DK. Variable selection for QSAR by artificial ant colony systems. SAR and QSAR in Environ. Res. 2002, 13, 417-423. [PDF]

37.    Agrafiotis DK*, Rassokhin DN. A fractal approach for selecting an appropriate bin size for cell-based diversity estimation. J. Chem. Info. Comput. Sci. 2002, 42, 117-122. [PDF]

38.    Lobanov VS*, Agrafiotis DK. Scalable methods for the construction and analysis of virtual combinatorial libraries. Combin. Chem. High-Throughput Screen. 2002, 5, 167-178. [PDF]

39.    Agrafiotis DK*, Cedeño W. Feature selection for structure-activity correlation using binary particle swarms. J. Med. Chem. 2002, 45, 1098-1107. [PDF]

40.    Agrafiotis DK*, Lobanov VS, Salemme FR. Combinatorial informatics in the post-genomics era. Nature Rev. Drug Discov. 2002, 1, 337-346. [PDF]

41.    Agrafiotis DK*, Cedeño W, and Lobanov VS. On the use of neural network ensembles in QSAR and QSPR. J. Chem. Info. Comput. Sci. 2002, 42, 903-911. [PDF]

42.    Xu H*, and Agrafiotis DK. Retrospect and prospect of virtual screening in drug lead discovery. Curr. Topics Med. Chem. 2002, 2, 1305-1320. [PDF]

43.    Agrafiotis DK*. Multiobjective optimization of combinatorial libraries. J. Comput. Aid. Mol. Des. 2002, 16, 335-356. [PDF]

44.    Cedeño W, Agrafiotis DK. Combining particle swarms and k-nearest neighbors for the development of quantitative structure-activity relationships. Int. J. Comput. Res. 2002, 11, 443-452. [PDF]

45.    Cedeño W*, Agrafiotis DK. Application of niching particle swarms to QSAR and QSPR. Proceedings of the 14-th European Symposium on QSAR, Bournemouth, UK, September 8-13, 2002. [PDF]

46.    Agrafiotis DK*, Xu H. A self-organizing principle for learning nonlinear manifolds. Proc. Natl. Acad. Sci. USA, 2002, 99, 15869-15872. [PDF]

47.    Agrafiotis DK*. Stochastic proximity embedding. J. Comput. Chem. 2003, 24, 1215-1221. [PDF]

48.    Agrafiotis DK*, Xu H. A geodesic framework for analyzing molecular similarities. J. Chem. Info. Comput. Sci. 2003, 43, 475-484. [PDF]

49.    Cedeño W*, Agrafiotis DK. Using particle swarms for the development of QSAR models based on k-nearest neighbor and kernel regression. J. Comput. Aid. Mol. Des. 2003, 17, 255-263. [PDF]

50.    Rassokhin DN*, Agrafiotis DK. A modified update rule for stochastic proximity embedding. J. Mol. Graphics Modell. 2003, 22, 133-140. [PDF]

51.    M. Farnum, Xu H, Agrafiotis DK*. Exploring the nonlinear geometry of sequence homology. Protein Sci. 2003, 12, 1604-1612. [PDF]

52.    Xu H, Izrailev S, Agrafiotis DK*. Conformational sampling by self-organization. J. Chem. Info. Comput. Sci. 2003, 43, 1186-1191. [PDF]

53.    Xu H*, Agrafiotis DK. Nearest neighbor search in general metric spaces using a tree data structure with a simple heuristic. J. Chem. Info. Comput. Sci. 2003, 43, 1933-1941. [PDF]

54.    Izrailev S*, Agrafiotis DK. A method for quantifying and visualizing the diversity of QSAR models. J. Mol. Grphics Modell. 2004, 22, 275-284. [PDF]

55.    Seierstad M*, Agrafiotis DK. A QSAR model of hERG binding using a large, diverse and internally consistent training set. Chem. Biol. Drug. Des. 2006, 67(4), 284-296. [PDF]

56.    Izrailev S, Zhu F, Agrafiotis DK*. A distance geometry heuristic for expanding the range of geometries sampled during conformational search. J. Comput. Chem. 2006, 27(16), 1962-1969. [PDF]

57.    Engels MFM*, Gibbs A, Jaeger EP, Verbinnen D, Lobanov VS, Agrafiotis DK. A clustering method for assessing the overlap between large chemical libraries and its application to a recent acquisition. J. Chem. Info. Model. 2006, 46, 2651-2660. [PDF]

58.    Agrafiotis DK*, A. Gibbs, Zhu F, Izrailev S, Martin E. Conformational boosting. Aust. J. Chem. 2006, 59, 874-878. [PDF]

59.    Agrafiotis DK*, Bandyopadhyay D, Farnum M. Radial clustergrams: visualizing the aggregate properties of hierarchical clusters. J. Chem. Info. Model. 2007, 47, 69-75. [PDF]

60.    Zhu F*, Agrafiotis DK. A self-organizing superposition (SOS) algorithm for conformational sampling. J. Comput. Chem. 2007, 28, 1234-1239. [PDF]

61.    Agrafiotis DK*, A. Gibbs, Zhu F, Izrailev S, and E. Martin. Conformational sampling of bioactive molecules: a comparative study. J. Chem. Info. Model. 2007, 47, 1067-1086. [PDF]

62.    Agrafiotis DK*, Bandyopadhyay, Wegner JD, Van Vlijmen H. Recent advances in chemoinformatics. J. Chem. Info. Model., 2007, 47, 1279-1293. [PDF]

63.    Zhu F*, Agrafiotis DK. Recursive distance partitioning algorithm for common pharmacophore identification. J. Chem. Info. Model. 2007, 47, 1619-1625. [PDF]

64.    Agrafiotis DK*, Bandyopadhyay, Carta DG, Knox AJS, Lloyd DG. On the effects of permuted input on conformational sampling of druglike molecules: an evaluation of stochastic proximity embedding (SPE). Chem. Biol. Drug Des. 2007, 70(2), 123-133. [PDF]

65.    Agrafiotis DK*, Shemanarev M, Connolly PJ, Farnum M, Lobanov VS. SAR maps: a new SAR visualization technique for medicinal chemists. J. Med. Chem. 2007, 50(24), 5926-5937. [PDF]

66.    Agrafiotis DK*, et al. Advanced Biological and Chemical Discovery (ABCD): centralizing discovery knowledge in an inherently decentralized world. J. Chem. Info. Model. 2007, 47, 1999-2014. [PDF]

67.    Bandyopadhyay D, Agrafiotis DK*. A self-organizing algorithm for molecular alignment and pharmacophore development. J. Comput. Chem. 2008, 29, 965-982. [PDF]

68.    Liu P*, Zhu F, Rassokhin DN, Agrafiotis DK*. A self-organizing algorithm for modeling protein loops. PLoS Comput. Biol. 2009, 5(8), e1000478. [PDF]

69.    Kolpak J, Connolly PJ, Lobanov VS, Agrafiotis DK*. Enhanced SAR maps: Expanding the data rendering capabilities of a popular medicinal chemistry tool. J. Chem. Info. Model. 2009, 49, 2221-2230. [DOI]

70.    Bonnet P, Agrafiotis DK*, Zhu F, Martin EJ. Conformational analysis of macrocycles: finding what common search methods miss. J. Chem. Info. Model. 2009, 49, 2242-2259. [DOI]

71.    G. Tresadern*, and Agrafiotis DK. Conformational sampling with stochastic proximity embedding (SPE) and self-organizing superimposition (SOS): Establishing reasonable parameters for their practical use. J. Chem. Info. Model. 2009, 49, 2786–2800. [DOI]

72.    Cepeda MS, Lobanov VS, Farnum M, Weinstein R, Gates P, Agrafiotis DK, Stang P, Berlin JA. Broadening access to electronic health care databases. Nat. Rev. Drug Discov. 2010, 9, 84. [DOI]

73.    Liu P*, Agrafiotis DK, Theobald DL. Fast determination of the optimal rotation matrix for weighted superpositions. J. Comput. Chem. 2010, 31, 1561-1563. [DOI]

74.    Agrafiotis DK*, Wiener JJM. Scaffold Explorer: An interactive tool for organizing and mining SAR data spanning multiple chemotypes. J. Med. Chem. 2010, 53(13), 5002-5011. [DOI]

75.    Agrafiotis DK*, Xu H, Zhu F, Bandyopadhyay D, Liu P. Stochastic proximity embedding: methods and applications. Mol. Inf. 2010, 29, 758-770. [DOI]

76.    Liu P*, Agrafiotis DK, Theobald DL. Rapid communication reply to comment on: 'Fast determination of the optimal rotation matrix for macromolecular superpositions’. J. Comput. Chem. 2011, 32, 185-186. [DOI]

77.    Tsantili-Kakoulidou A, Agrafiotis DK. Report on the 18-th European symposium on quantitative structure-activity relationships. Expert Opin. Drug Discovery. 2011, 6, 453-456. [DOI]

78.    Agrafiotis DK*, Wiener JJM, Skalkin A, Kolpak J. Single R-group polymorphisms (SRPs) and R-cliffs: An intuitive framework for analyzing and visualizing activity cliffs in a single analog series. J. Chem. Inf. Model. In press. [DOI]

79.    Tsantili-Kakoulidou A, Agrafiotis DK. 18th EuroQSAR: Perspectives on QSAR, molecular informatics and drug design. Mol. Inf. 2011, 30, 87–88. [DOI]
 
 
UNDER REVIEW
 

80.    Liu P*, Agrafiotis DK, Rassokhin DN. Power keys: a novel class of topological descriptors based on exhaustive subgraph enumeration and their application in substructure searching. Submitted.

81.    Liu P*, Agrafiotis DK, Rassokhin DN, Yang E. Accelerating chemical database searching through efficient manipulation of lossless compressed fingerprints using graphics processing units (GPUs). Submitted.
 

 

1.       Agrafiotis DK, Bone R, Salemme FR, Soll R. System and method for automatically generating chemical compounds with desired properties. US Patent 5,463,564, October 31, 1995. [USPTO]

2.       Agrafiotis DK, Bone R, Salemme FR, Soll R. System and method for automatically generating chemical compounds with desired properties. US Patent 5,574,656, November 12, 1996. [USPTO]

3.       Agrafiotis DK, Bone R, Salemme FR, Soll R. System, method and computer program for at least partially automatically generating chemical compounds having desired properties. US Patent 5,684,711, November 4, 1997. [USPTO]

4.       Agrafiotis DK, Bone R, Salemme FR Soll R. System, method and computer program for at least partially automatically generating chemical compounds with desired properties from a list of potential chemical compounds to synthesize. US Patent 5,901,069, May 4, 1999. [USPTO]

5.       Agrafiotis DK, Salemme FR. Method, system, and computer program product for representing similarity/dissimilarity between chemical compounds. US Patent 6,295,514, September 25,2001. [USPTO]

6.       Agrafiotis DK, Bone R, Salemme FR, Soll R. System, method and computer program product for identifying chemical compounds with desired properties. US Patent 6,421,612, July 16,2002. [USPTO]

7.       Agrafiotis DK, Bone R, Salemme FR, Soll R. Methodof generating chemical compounds having desired properties. US Patent 6,434,490, August 13,2002. [USPTO]

8.       Agrafiotis DK, Lobanov VS, Salemme FR. System, method, and computer program product for representing proximity data in a multidimensional space. US Patent 6,453,246, September 17, 2002. [USPTO]

9.       Dhanoa DS, Doller D, Meegalla S, Soll R, Agrafiotis DK, Wisnewski N, Silver GM, Stinchcomb DT, Seward RL. Use of 1,3-substituted pyrazol-5-yl sulfonates as pesticides". US Patent 6,506,784, January 14, 2003. [USPTO]

10.    Meegalla S, Agrafiotis DK, Dhanoa D, Doller D, Soll R, Wisnewski N, Silver G, Stinchcomb D, Seward RL, Sha D. 1-aryl-3-thioalkyl pyrazoles, and the synthesis thereof and use thereof as insecticides. US Patent 6,518,266, February 11, 2003. [USPTO]

11.    Agrafiotis DK, Lobanov VS, Salemme FR. Method, system and computer program product for nonlinear mapping of multidimensional data. US Patent 6,571,227, May 27, 2003. [USPTO]

12.    Agrafiotis DK, Lobanov VS, Salemme FR. Method and computer program product for designing combinatorial arrays. US Patent 6,671,627, December 30, 2003. [USPTO]

13.    Agrafiotis DK, Lobanov VS, Salemme FR. Method, system, and computer program product for encoding and building products of a virtual combinatorial library. US Patent 6,678,619, January 13, 2004. [USPTO]

14.    Lobanov VS, Agrafiotis DK, Salemme FR. Method, system, and computer program product for determining properties of combinatorial library products from features of library building blocks. US Patent 6,834,239, December 21, 2004. [USPTO]

15.    Agrafiotis DK, Rassokhin DN, Lobanov VS, Salemme FR. System, method, and computer program product for representing object relationships in a multidimensional space. US Patent 7,039,621, May 2, 2006. [USPTO]

16.    Agrafiotis DK, Lobanov VS, Salemme FR. Method, system, and computer program product for analyzing combinatorial libraries. US Patent 7,054,757, June 13, 2006. [USPTO]

17.    Agrafiotis DK, Lobanov VS, Salemme FR. Method, system and computer program product for non-linear mapping of multi-dimensional data. US Patent 7,117,187, October 3, 2006. [USPTO]

18.    Agrafiotis DK, Rassokhin DN, Lobanov VS, Salemme FR. System, method, and computer program product for representing object relationships in a multidimensional space. US Patent 7,139,739, November 21, 2006. [USPTO]
 
 
UNDER REVIEW
 
Several patent applications are currently under review.
 


SELECTED
 

1.       Agrafiotis DK, Jaeger EP. DirectedDiversity: an operating system for combinatorial chemistry. 212-th ACS National Meeting, March 24-28, 1996, New Orleans, LA.

2.       Agrafiotis DK. Stochastic algorithms for assessing molecular diversity. 213-th ACS National Meeting, April 13-17, 1997, San Francisco, CA.

3.       Agrafiotis DK. Computer-aided combinatorial drug design. 9-th International Congress of Quantum Chemistry, June 3-7, 1997, Savannah, GA.

4.       Agrafiotis DK. Systems and methods for designing combinatorial chemistry experiments. Gordon Conference on QSAR, August 3-8, 1997, Tilton, NH.

5.       Agrafiotis DK. Thinking machines in drug design: the challenge of combinatorial chemistry. DuPont Central Research & Development, Wilmington, DE, December 17, 1997.

6.       Agrafiotis DK, Lobanov VS. Bridging the gap between diversity and QSAR. 215-th ACS National Meeting, March 29 - April 2, 1998, Dallas, TX.

7.       Agrafiotis DK, Lobanov VS. A rational approach for combinatorial drug design. Computational Approaches to the Design and Analysis of Combinatorial Libraries, MGMS/CSA Meeting, April 14-16, 1998, Sheffield, England.

8.       Agrafiotis DK. Lobanov VS. Meta-QSAR. 217-th ACS National Meeting, March 21-25, 1999, Anaheim, CA.

9.       Agrafiotis DK. PacifiChem 2000, Symposium on Mathematical Aspects of Drug Design, Honolulu, Hawaii, December 14-18, 2000.

10.   Agrafiotis DK. Multidimensional scaling of massive data sets. DIMACS Series on Computational Molecular Biology, Rutgers University, June 21-22, 2001.

11.   Agrafiotis DK. Stochastic proximity embedding. 2002 Gordon Conference on Computational Chemistry, June 30-July 5, 2002, Colby-Sawyer College, NH.

12.   Agrafiotis DK. Molecular informatics in the new millennium. Princeton University, February 21, 2003, Princeton, NJ.

13.   Agrafiotis DK, Xu H. A self-organizing algorithm for extracting the intrinsic dimensionality of large high-dimensional data. 225-th ACS National Meeting, March 23-27, 2003, New Orleans, LA.

14.   Agrafiotis DK. New algorithms for the analysis of large data sets and their application in molecular design. Cornell University, April 25, 2003, Ithaca, NY.

15.   Agrafiotis DK. A self-organizing alternative to distance geometry. Accelrys World, March 8-10, 2004, San Diego, CA.

16.   Agrafiotis DK. Molecular informatics for the new drug discovery enterprise. Chemistry & Biology: Partners in Decoding the Genome, NIH, March 15-16, 2004, Bethesda, MD. 

17.   Agrafiotis DK. Molecular informatics for the new drug discovery enterprise. Indiana University, March 24, 2004, Bloomington, IN.

18.   Agrafiotis DK. Visualizing structure-activity relationships in ABCD. 230-th ACS National Meeting, August 28-September 1, 2005, Washngton, DC.

19.   Agrafiotis DK. Computational tools for the design and analysis of massive combinatorial libraries. Gordon Conference on Combinatorial and High Throughput Materials Development, August 14-19, 2005, Oxford, UK.

20.   Agrafiotis DK. Design and analysis of large chemical libraries for lead discovery & optimization. EMBL/EBI Conference on Therapeutic Applications of Computational Biology, September 4-6, 2005, Hinxton, UK.

21.   Agrafiotis DK. New algorithms for the analysis of large data sets and their application in molecular design. University of Toronto, September 22, 2005, Toronto, Canada.

22.   Agrafiotis DK. A new clustering algorithm for general metric spaces. 1-st German Conference on Chemoinformatics, November 13-15, 2005, Goslar, Germany.

23.   Agrafiotis DK. Modeling complexity: from stochastic proximity embedding to ABCD. University of Erlangen, November 16, 2005, Erlangen, Germany.

24.   Agrafiotis DK. A self-organizing principle for modeling proximity data. Pacifichem 2005, December 15-20, 2005, Honolulu, HI.

25.   Agrafiotis DK. ABCD: centralizing .data in an inherently decentralized world. Plenary Talk, Smart Lab 2007, February 27-28, 2007, London, UK.

26.   Agrafiotis DK. Plenary Talk, Discovery Knowledge & Informatics, April 24-25, 2007, Amsterdam, The Netherlands.

27.   Agrafiotis DK. Gibbs A, Zhu F, Martin E. Advances in conformational sampling. 233-rd ACS National Meeting, March 25-29, 2007, Chicago, IL.

28.   Agrafiotis DK. New algorithms for mining large data sets. MBI Chemogenomics Workshop, Mathematical Biosciences Institute, Ohio State University, May 8-9, 2007, Columbus, OH.

29.   Agrafiotis DK. Plenary Talk, SIAM Conference on Mathematics for Industry: Challenges & Frontiers, October 9-11, 2007, Philadelphia, PA.

30.   Agrafiotis DK. Towards a unifying platform for discovery, translational and clinical informatics. Plenary Talk, 2009 Life Science Technology Symposium, September 30, 2009, Princeton, NJ.

31.   Agrafiotis DK. Discovery informatics on an industrial scale – The past, present and future of ABCD. Keynote Talk, Annual Biocomputing Day, University of New Mexico, March 27, 2009.

32.   Agrafiotis DK. Discovery informatics on an industrial scale – The past, present and future of ABCD. Merck & Co., April 23, 2009.

33.   Agrafiotis DK. Discovery informatics on an industrial scale – The past, present and future of ABCD. Novartis, May 26, 2009, Boston, MA.

34.   Agrafiotis DK. Discovery informatics on an industrial scale – The past, present and future of ABCD. Sanofi-Aventis, December 7, 2009, Bridgewater, NJ.

35.   Agrafiotis DK. SPE and SOS: Two robust and universally applicable conformational search algorithms. 239-th ACS National Meeting, March 21-25, 2010, San Francisco, CA.

36.   Agrafiotis DK. A unifying framework for integrative informatics. IEEE Conference in Bioinformatics & Bioengineering, June 1-2, 2010, Philadelphia, PA.

37.   Agrafiotis DK. 15 years in chemical informatics: lessons from the past, ideas for the future. Invited Lecture, JCIM 50-th Anniversary Symposium, 240-th ACS National Meeting, August 22-26, 2010, Boston, MA.

38.   Agrafiotis DK. R-Cliffs: Activity cliffs within a single analog series. 240-th ACS National Meeting, August 22-26, 2010, Boston, MA.

39.   Agrafiotis DK. Visual (Q)SAR: SAR maps, scaffold trees, and R-cliffs. EuroQSAR 2010, September 19-24, Rhodos, Greece.

40.   Agrafiotis DK. UCLA, Institute for Pure and Applied Mathematics, April 4-8, 2011.