Presentations

Note: presentations listed in order of most to least recent.

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National Presentations

H.S. Freeman, J.P. Clemmons, L.D. Claxton, “Characterization of the mutagenicity of some phenylenediamine based bisazo dyes”, 20th Green Chemistry and Engineering Conference of the American Chemical Society, June 16, 2016, Portland, OR.

 

H.S. Freeman and B. Kim, “DSSC Performance Properties of New Sensitizers Based of Heteroary Spacers”, 64th Southeast Regional Meeting of the American Chemical Society, November 17, 2012, Raleigh, NC, SERM-1154.

 

H.S. Freeman, “Systematic Approaches to Environmentally Friendly Azo Dyes”, AATCC International Conference and Exhibition, March 24, 2011, Charleston, SC.

 

H.S. Freeman, “Reactive Dyes with Enhanced Cellulose Affinity”, Advances in Colorants, Chemicals, Finishes, and Fibrous Materials Symposium, June 3-4, 2008, Greenville, SC.

 

H.S. Freeman, “Reactive Dyes with Enhanced Cellulose Affinity”, College of Textiles Graduate Seminar Series, North Carolina State University, November, 2007.

 

H.S. Freeman, “Modern Approaches to the Design of Azo Dyes and Pigments”, Davidson College, Department of Chemistry, March 12, 2004.

 

H.S. Freeman, “Modern Molecular Modeling Methods: Utility in Color Chemistry”, College of Textiles Graduate Seminar Series, North Carolina State University, October 23, 2002.

 

H.S. Freeman, “Modern Molecular Modeling Methods: Utility in Color Chemistry”, Southern Textile Research Conference, May 19-21, 2002, Pawley’s Island, SC.

 

H.S. Freeman, “Approaches to the Design of Nongenotoxic Azo Dyes”, North Carolina Central University, Department of Chemistry, March 28, 2002.

 

H.S. Freeman, “Approaches to the Design of Nongenotoxic Azo Dyes”, North Carolina Agricultural and Technical State University, Department of Chemistry, November 8, 2001.

 

H.S. Freeman, “Approaches to the Design of Nongenotoxic Azo Dyes”, University of North Carolina-Charlotte, Department of Chemistry, April 16, 2001.

 

A. Reife and H.S. Freeman, “Pollution Prevention in the Production of Dyes and Pigments” 1998 International Conference, September, 1998, Philadelphia, PA.

 

H.S. Freeman, “Synthetic Dyes Based on Toxicological Considerations”, Milliken Chemicals Company, June 5, 1997.

 

H.S. Freeman, A. Reife, L.C. Edwards, J. Sokolowska-Gajda, “Iron-Complexed Dyes In Pollution Prevention”, Green Chemistry and Engineering Conference, June 23-25, 1997, Washington, DC.

 

H.S. Freeman, “Synthetic Dyes Based on Toxicological Considerations”, Johnson C. Smith University, Department of Chemistry, November 9, 1995.

 

H.S. Freeman, L.G. Cleveland, J. Sokolowska-Gajda, and A. Reife, “A New Look at Iron Complexed Dyes”, AATCC International Conference and Exhibition, Atlanta, GA, October 8-11, 1995.

 

D. Hinks, J. Lye, H.S. Freeman, “Computer-Aided Dyestuff Design”, AATCC International Conference and Exhibition, Atlanta, GA, October 8-11, 1995.

 

J. Lye, D. Hinks, H.S. Freeman, “Computer-Aided Molecular Modeling for the Design of Textile Dyes”, AATCC International Conference and Exhibition, Charlotte, NC, October 11-14, 1994.

 

H.S. Freeman, S.B. Nayar, J.W. Rucker, “Removal and Reuse of Dyes and Chemical Intermediates from Wastewater Effluents”, Hoechst Celanese Corporation, March 25, 1994, Coventry, RI.

 

H.S. Freeman, D. Hinks, D. Coston, L. Cleveland, J. Lye, J. Sokolowska-Gajda, J. Peterson, “Synthetic Dyes Based on Toxicological Considerations”, 2nd National Textile Center Forum, February 10-12, 1994, Spartanburg, SC.

 

R.D. Voyksner, J.T. Keever, R. Straub, H.S. Freeman, “Reduction of Azo Dyes to Aromatic Amines for Monitoring Dyes in Waste Streams”, 39th ASMS Conference on Mass Spectrometry and Allied Topics, May 19-24, 1991, Nashville, TN.

 

M.E. Mason, J.C. Posey, Jr., H.S. Freeman, “Design and Synthesis of Lightfast Disperse Dyes”, Book of Papers, AATCC International Conference and Exhibition,October 8-11, 1991, Charlotte, NC, pp. 114-121.

 

H.S. Freeman, J.F. Esancy, L.D. Claxton, M.K. Esancy, “The Design of Non-Mutagenic Replacements for Some Mutagenic Dyes and Dye Intermediates, Book of Papers, AATCC International Conference and Exhibition, October 1-3, 1990, Boston, MA, pp. 180-188.

 

R.D. Voyksner, J.T. Keever, H.S. Freeman, W.N. Hsu, L.D. Betowski, “Reduction of Azo Dyes to Aromatic Amines for Environmental Monitoring: Evaluation of Reduction Processes”, 38th ASMS Conference on Mass Spectrometry and Allied Topics, Tucson, AZ, June 3-8, 1990.

 

C.A. Haney, D.J. Grindstaff, W.N. Hsu, and H.S. Freeman, “Determination of the Photo-degradation Products of Disperse Red 167 by GC/MS, Particle Beam HPLC/MS, and Thermospray MS, 38th ASMS Conference on Mass Spectrometry and Allied Topics, Tucson, AZ, June 3-8, 1990.

 

H.S. Freeman, R.B. VanBreemen, J.F. Esancy, D.O. Ukponmwan, Z. Hao, W.N. Hsu, “Fast Atom Bombardment and Desorption Chemical Ionization Mass Spectrometry in the Analysis of Involatile Textile Dyes”, Book of Papers, AATCC International Conference & Exhibition, October 3-6, 1989, Philadelphia, PA, pp. 221-220.

 

L.D. Claxton, D. Walsh, J.F. Esancy, H.S. Freeman, “Structure Activity Analysis of Azo Dye Mutagenicity”, 41st Southeastern Regional ACS Meeting, October 9-11, 1989, Winston Salem, NC.

S.A. McIntosh, H.S. Freeman, P. Singh, “The Photolytic Behavior and Structure of Disazo Disperse Dyes”, 41st Southeastern Regional ACS Meeting, October 9-11, 1989, Winston-Salem, NC.

 

J.C. Posey, Jr., H.S. Freeman, M.E. Mason, W.N. Hsu, “An Approach to the Design of Fade Resistant Disperse Dyes”, 41st Southeastern Regional ACS Meeting, October 9-11, 1989, Winston Salem, NC,.

 

M.K. Esancy and H.S. Freeman, “Azo Dyes Based on the Dihydrophenophosphazine Ring System”, 41st Southeastern Regional ACS Meeting, October 9-11, 1989, Winston-Salem, NC.

 

H.S. Freeman and J. Sokolowska-Gajda, “The Synthesis of Disperse Dyes and Cationic Dyes from Acid Dye Structures”, 41st Southeastern Regional ACS Meeting, October 9-11, 1989, Winston-Salem, NC.

 

H.S. Freeman “The Design and Synthesis of Nonmutagenic Azo Dyes”, FPS seminar series, College of Textiles, North Carolina State University, Fall, 1988.

 

H.S. Freeman, “The Design and Synthesis of Lightfast Disperse Dyes”, FPS Seminar Series, College of Textiles, North Carolina State University, Spring, 1988.

 

H.S. Freeman, “An Approach to the Design of Nonmutagenic Synthetic Dyes”, 1988 National Meeting of the American Chemical Society, Los Angeles, CA.

 

S‑D. Kim, H.S. Freeman, R.D. Gilbert, and R. McGregor, “The Design and Synthesis of Colored Spin Probes”, 1988 National Meeting of the American Chemical Society, Los Angeles, CA.

 

J.F. Esancy and H.S. Freeman, “An Approach to the Design and Synthesis of Nonmutagenic Azo Dyes”, 1988 National Meeting of the American Chemical Society, Los Angeles, CA.

 

J.C. Posey, Jr. and H.S. Freeman, “The Design and Synthesis of Lightfast Disperse Dyes”, 1988 National Meeting of the American Chemical Society, Los Angeles, CA.

 

M.K. Esancy and H.S. Freeman, “Azo Dyes Based on the Dihydrophenophosphazine Ring System”, 1988 National Meeting of the American Chemical Society, Los Angeles, CA.

 

S.A. McIntosh and H.S. Freeman, “Ortho‑Substituted Monoazo Dyes: Photoisomerism and Structure”, 1988 National Meeting of the American Chemical Society, Los Angeles, CA.

 

H.S. Freeman, “An Approach to the Design and Synthesis of Nonmutagenic Dyes”, Clemson University, School of Textiles, 1988.

 

H.S. Freeman, “Computer‑Assisted Design of Lightfast Disperse Dyes”, Sandoz Chemicals Corporation, Charlotte, NC, 1988.

 

H.S. Freeman, “An Approach to the Design and Synthesis of Lightfast and Nongenotoxic Dyes”, Southern Textile Research Conference, 1988, Pawley’s Island, SC.

 

H.S. Freeman, “An Approach to the Design and Synthesis of Nonmutagenic Azo Dyes”, American‑Hoechst Corporation, 1987, Coventry, R.I.

 

H.S. Freeman, “An Approach to the Elucidation of the Chemical Constitution of Sulfur Black 1”, Sandoz Chemicals Corporation, 1986, Charlotte, NC.

 

H.S. Freeman, “Potential Nontoxic Colorants for Cigarette Barrel Monograms”,  R.J. Reynolds Tobacco Company, Winston‑Salem, NC, 1986.

 

H.S. Freeman, “The Contribution of Thermal and Photochemical Reactions to the Fading of Dyes”, presented at North Carolina Central University, Department of Chemistry, 1986.

 

H.S. Freeman, “The Chemistry of Cosmetic Dyes”, presented at the Annual Meeting of the Cosmetic, Toiletry, and Fragrance Association, Washington, DC, 1985.

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International Presentations

H.S. Freeman, “Molecular Engineering of Sustainable Synthetic Colorant”, AATCC IEC, April 3, 2014, Charlotte, NC.

 

H.S. Freeman, “Design of Lightfast Dyes for Automotive Utility”, Kazan National Research Technological University, Russia, May 31, 2012, Republic of Tatarstan, Russia.

 

H.S. Freeman, “Color Yes, Toxicity No: Systematic Approaches to Meeting this Challenge”, Kazan National Research Technological University, May 31, 2012, Republic of Tatarstan, Russia.

 

H.S. Freeman, “Graduate Research Overview – College of Textiles”, Kazan National Research Technological University, May 28, 2012, Republic of Tatarstan, Russia.

 

H.S. Freeman, “Studies Towards the Design of Lightfast Dyes for Polyester”, AATCC IEC, March 23, 2012, Charlotte, NC.

 

H.S. Freeman, “Systematic Approaches to Environmentally-friendly Azo Dyes”, AATCC IEC, March 24, 2011, Charleston, SC.

 

H.S. Freeman, “Color Yes, Toxicity No: Systematic Approaches to Meeting this Challenge”, 15th Annual Green Chemistry & Engineering Conference, June 23, 2011, Washington, DC.

 

H.S. Freeman, “Systematic Approaches to Eco-Friendly Textile Dyes”, 7th International Conference of the Textile Research Division National Research Centre, October 11, 2010, Cairo, Egypt.

 

H.S. Freeman, “Molecular Engineering of Sustainable Synthetic Colorants”, International Conference of Future Textiles – 2010, Shinshu University, July 16, 2010, Ueda, Japan.

 

H.S. Freeman, “Systematic Approaches to Environmentally Friendly Azo Dyes”, III Workshop on Biodegradation and Biremediation, Campinas, December 4, 2009, São Paulo State, Brazil

 

H.S. Freeman, “Color Yes, Toxicity No: Systematic Approaches to Meeting this Challenge”, Universidade Estadual de Campinas – UNICAMP, December 3, 2009, Limeira – SP – Brasil.

 

H.S. Freeman, “Preparation of Papers for Publication – Key Considerations”, Dalian University of Technology, August 6, 2008, Dalian, China,.

 

H.S. Freeman, “Molecular Design of Synthetic Dyes – Environmental Considerations”, PCChEC – 2008,  August 5, 2008, Dalian, China.

 

H.S. Freeman, J. Wang, L.D. Claxton, “Phenylene Homologs of Benzidine: Genotoxicity and Utility in Dye and Pigment Synthesis”, Book of Papers, AATCC International Conference & Exhibition, October 31-November 2, 2006, Atlanta, GA.

 

H.S. Freeman, “Color Yes, Toxicity No: Systematic Approaches to Meeting this Challenge”, AATCC International Conference & Exhibition, September 13-17 2004. Greenville, SC.

 

H.S. Freeman, S.D. Shaw, M.H. El-Zayatie, “Enzyme-Mediated Synthesis and Characterization of Novel Cationic Dyes”, AATCC International Conference & Exhibition, September 13-17 2004, Greenville, SC.

 

A. El-Shafei, D. Hinks, H.S. Freeman, “Characterization of Yellow Organic Pigments Using Experimental and MO Methods”, COLORCHEM Conference, May 23-27, 2004, Czech Republic, L3.

 

M. Szymczyk, A. El-Shafei, and H. Freeman, “Design, Synthesis, and Characterization of New Iron-Complexed Azo Dyes”, COLORCHEM Conference, May 23-27, 2004, Czech Republic, P43.

 

H.S. Freeman, S.D. Shaw, and M.H. El-Zayatie, Enzyme-Mediated Synthesis and Characterization of Novel Cationic Dyes, COLORCHEM Conference, May 23-27, 2004, Czech Republic, L10.

 

H.S. Freeman, J. Wang, and L.D Claxton, “Phenylene Homologs of Benzidine: Mutagenicity and Use in Dye/Pigment Synthesis”, COLORCHEM Conference, May 23-27, 2004, Czech Republic, L13.

 

H.S. Freeman, “Studies Towards the Design of Lightfast Dyes for Textile Fibers”, Dalian University of Technology, June 2002, Dalian, China

 

H.S. Freeman, “Approaches to Universal Dyes for Textile Fibers”, Dalian University of Technology, June 2002, Dalian, China.

 

H.S. Freeman, “Alternative Metal-Complexed Dyes: Azo and Formazan Structures”, AATCC International Dyeing Symposium, May 31, 2001, Greenville, SC.

 

D. Hinks, A. El-Shafei, H.S. Freeman, J. Sokolowska, “Pigments Derived from Twisted Nonmutagenic Benzidines: Molecular Modeling, Synthesis and Characterization”, Proceedings of the COLORCHEM Conference, May 14-18, 2000, Czech Republic.

 

H. S. Freeman, M. K. Esancy, L. D. Claxton “Approaches to the Design and Synthesis of Nongenotoxic Azo Dyes”, Proceedings of the COLORCHEM Conference, May 14-18, 2000, Czech Republic.

 

H.S. Freeman, L. C. Edwards, N. Berthelon, “Studies towards the Design of Lightfast Dyes for Synthetic Fibers”, 16th Symposium on Fiber and Textile Technology, May 13, 2000, Taipei, Taiwan.

 

H.S. Freeman, “Mutagenicity of Azo Dyes: Bases and Implications”, Shenyang Research Institute, Shenyang, China, 1998.

 

H.S. Freeman, “Mutagenicity of Azo Dyes: Bases and Implications”, Dalian Dyestuff Company, Dalian, China, 1998.

 

H.S. Freeman, “Modern Molecular Modeling Methods: Utility in Color Chemistry”, Dalian University of Technology, Dalian, China, 1998.

 

H.S. Freeman, “Iron Complexed Dyes: Environmental Properties”, Dalian University of Technology, 1998, Dalian, China.

 

H.S. Freeman, “Mutagenicity of Azo Dyes: Bases and Implications”, Dalian University of Technology, 1998, Dalian, China.

 

N. Berthelon and H.S. Freeman, “The Contribution of PET to the Photodegradation of Disperse Dyes”, Colour Science ’98 Conference, March 30-April 1, 1998, Harrogate, England.

 

H.S.  Freeman and L.C. Edwards, “Design of Metal Complex Dyes”, Colour Science ’98 Conference, March 30-April 1, 1998, Harrogate, England.

 

J. Lye, H.S. Freeman, A.F. Schreiner, J. Sokolowska-Gajda, “Semi-empirical MO Methods in Dye Design: Transition Metal Complex Dyes”, Colour Science ’98 Conference, March 30-April 1, 1998, Harrogate, England.

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J. Lye, D. Hinks, H.S. Freeman, “Computational Chemistry Applied to Synthetic Dyes”, 3rd Cray UNAM Supercomputing Conference, August 13-16, 1996, Mexico City, Mexico.

 

H.S. Freeman, “A New Look at Iron Complexed Dyes, Ciba-Geigy Corporation, 1995, Basel, Switzerland.

 

H.S. Freeman, “The Design and Synthesis of Nongenotoxic Azo Dyes”, Society of Chemical Industry Conference on Innovations in Modern Colour Chemistry, April 27, 1994, London, England.

 

H.S. Freeman, “New Organic Dyestuffs in the USA – Achievements in Research” COLOR CHEM ’94 International Conference, Spindleruv Mlyn, April 11-14, 1994, Czech Republic.

 

H.S. Freeman, J. Sokolowska-Gajda, A. Reife, “Premetallized Dyes Based on Environmental Considerations”, AATCC International Conference & Exhibition, October 3-6, 1993, Montreal, Canada.

 

H.S. Freeman, “Molecular Design of Non-toxic Dye Chromophores”, Symposium on Dye Materials for Electronics, August 31, 1992, Tokyo, Japan.

 

H.S. Freeman, M.K. Esancy, L.D. Claxton, “The Design of Nonmutagenic Azo Dyes”, 2nd International Symposium on Chemistry of Functional Dyes:, August 23-28, 1992, Kobe, Japan.

 

H.S. Freeman, “Synthetic Dyes Based on the Dihydrophenophosphazine Ring System”, Ciba-Geigy Corporation, 1990, Basel, Switzerland.

 

H.S. Freeman, “The Design and Synthesis of Lightfast Disperse Dyes”, Ciba-Geigy Corporation, 1990, Basel, Switzerland.

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