Presentations

H. N. Cheng has given over 200 presentations at local, national, and international meetings and in universities.  Presentations given since 2000 are listed below.  Invited presentations are shown in bold.

  1. Polymer Blends as a Platform for Sustainable Green Chemistry. Invited talk at ACS Southeastern Regional Meeting, October 19-22, 2022, San Juan, PR.
  2. Combined use of green polymer chemistry and nanocellulose particles. Invited talk to POLY symposium. ACS National Meeting, August 20202, Chicago.
  3. Agro-Based Raw Materials as Green Product Platforms. Invited talk to AGFD Spencer Symposium. ACS National Meeting, August 2022, Chicago.
  4. Industrial applications of vegetable oil. AGFD Spencer Symposium. ACS National Meeting, August 2022, Chicago (coauthor).
  5. Applications and structural characteristics of green agro-based biopolymers for contaminant remediation. AGFD Spencer Symposium. ACS National Meeting, August 2022, Chicago (coauthor).
  6. The effects of roasting on the ethanol-extractable components of cottonseed. AGFD symposium. ACS National Meeting, August 2022, Chicago (coauthor).
  7. Use of Biobased Materials in Eco-friendly Composites. ACS Green Chemistry and Engineering Conference, June 2022.
  8. Modified Agro-based materials for environmental sustainability. ACS National Meeting, March 2022.
  9. Green polymers derived from cashew based raw materials. AGFD poster. ACS National Meeting, March 2022.
  10. Use of cellulose nanomaterials for improved performance of cottonseed protein isolate as a paper strength additive. ACS National Meeting, March 2022 (coauthor)
  11. Formation of peanut butter-like products from glandless cottonseed.  Beltwide Cotton Conference, January 2022 (coauthor).
  12. Preparation and Characterization of Xylan Derivatives, Beltwide Cotton Conference, January 2022.
  13. 3598326 – Sustainability and the chemistry enterprise. Invited talk to ENFL symposium. ACS National Meeting (virtual), August 2021.
  14. 3584789 – Modifications of xylan with different alkyl derivatives. Invited talk to AGFD symposium. ACS National Meeting (virtual), August 2021.
  15. Nanocellulose as a co-additive for improved performance of cottonseed protein isolate as a paper strength additive. Contributed talk to AGFD symposium. ACS National Meeting (virtual), August 2021.
  16. Use of Microwave as a Green R&D Tool for Biobased Materials. Poster presentation. Green Chemistry and Engineering Conference (virtual), June 2021.
  17. Use of carboxymethyl cashew gum grafted with immobilized antibody for potential biosensor applications. (Co-author)  AGFD-PRES symposium. ACS National Meeting (virtual), April 2021.
  18. Improved Utilization of Commodity Agricultural Byproducts. AGFD-PRES symposium.  Invited talk at the ACS National Meeting (virtual), April 2021.
  19. Prospects and Opportunities in Chemistry.  CELL Invited talk at the ACS National Meeting (virtual), April 2021.
  20. Polymer Blends involving Cottonseed Protein and Cottonseed Meal.  (Oral). 2021 Beltwide Cotton Conference. H. N. Cheng, Zhongqi He, Michael K. Dowd, K. Thomas Klasson
  21. Water Sorption Behaviors of Cottonseed Meal, Washed Cottonseed Meal, and Cottonseed Protein Isolate.  (Poster coauthor). 2021 Beltwide Cotton Conferences.  Zhongqi He, David Zhang and H.N. Cheng
  22. NMR spectroscopy of Agro-based polymeric systems – POLY Invited talk at the ACS National Meeting (Virtual), August 2020
  23. New biobased polymers through polyurethane formation – POLY Invited talk at the ACS National Meeting (Virtual), August 2020
  24. Sustainability in product development – SCHB Invited talk at the ACS National Meeting (Virtual), August 2020
  25. Utilization of nanocellulose from cotton agricultural residues: ACS materials and applications – POLY Contributed talk (coauthor) at the ACS National Meeting (Virtual), August 2020
  26. NMR analysis of poly(lactic acid) through the use of statistical models – POLY Contributed talk (coauthor) at the ACS National Meeting (Virtual), August 2020
  27.  “Status quo” ATR FT-IR spectroscopic characterization of the bonding interface of cottonseed protein adhesives with wood veneers – I&EC Poster (coauthor) at the ACS National Meeting (Virtual), August 2020
  28. “Semi-Interpenetrating Polymer Networks involving Agro-Based Materials” – POLY Invited talk at the ACS National Meeting in Philadelphia, March 2020 (meeting cancelled) (doi: https://doi.org/10.1021/scimeetings.0c01330)
  29. “Cottonseed Protein as Wood Adhesives: Use of Promoters to Enhance Adhesive Properties” – AGFD Poster at the ACS National Meeting in Philadelphia, March 2020 (meeting cancelled) (doi: https://doi.org/10.1021/scimeetings.0c01329)
  30. “Preparation and Characterization of Hydrophobically Modified Biopolymers” – AGFD Poster at the ACS National Meeting in Philadelphia, March 2020 (meeting cancelled) (doi: https://doi.org/10.1021/scimeetings.0c00859)
  31. “Preparation and Characterization of Hemicellulose-Derived Materials” – AGFD Invited talk at the ACS National Meeting in San Diego, CA, August 2019
  32. “Effects of Water Addition and Microwave on Natural Deep Eutectic Solvents (NADES) and their Extraction Properties” – AGFD Invited talk at the ACS National Meeting in San Diego, FL, August 2019
  33. “Agnes Rimando – Scientist and International Ambassador” – AGFD Invited talk at the ACS National Meeting in San Diego, FL, August 2019
  34. “Comparison of the adhesive performance of water- and alkali-soluble cottonseed protein” – Poster (coauthored) at the ACS National Meeting in San Diego, CA, August 2019
  35. “Preparation and evaluation of composites comprising polypropylene and cotton gin trash” – Contributed talk (coauthored) at the ACS National Meeting in San Diego, CA, August 2019
  36. “Conversion of Carbohydrates to Polyurethanes and Semi-Interpenetrating Polymer Networks” – Poster presented at the Gordon Research Conference on “Biomass to Biobased Chemicals and Materials”, Newry, Maine, July 14-19, 2019
  37. Biopolymer Blends as Green and Eco-friendly Products – Preparation and Characterization” –  Contributed talk at the International Symposium on Polymer Analysis and Characterization in Sendai, Japan, June 2019
  38. “Evaluation of Biobased Polymers for Packaging Applications” –  Poster presented at the International Symposium on Polymer Analysis and Characterization in Sendai, Japan, June 2019
  39. “Biopolymer Blends as a Versatile Product Platform for Green Polymer Chemistry” – POLY Invited talk at the ACS National Meeting in Orlando, FL, April 2019
  40. “H. S. Gutowsky and the Use of NMR in Chemistry” – HIST Invited talk at the ACS National Meeting in Orlando, FL, April 2019
  41. “Cottonseed protein and its use as wood adhesives” – CELL Contributed talk at the ACS National Meeting in Orlando, FL, April 2019
  42. “Agro-Based Food Packaging Films – Design and Analyses” – AGFD Poster at the ACS National Meeting in Orlando, FL, April 2019
  43. “Cationic polymerization of epoxidized triglycerides and their copolymers” – Invited talk at the ACS National Meeting in Boston, MA, August 2018
  44. “Microwave-assisted synthesis and characterization of sucrose polyurethane and its interpenetrating polymer networks” – Invited talk at the ACS National Meeting in Boston, MA, August 2018
  45. “Plants to Plastics”- Contributed talk (coauthored) at the ACS National Meeting in Boston, MA, August 2018
  46. “Preparation and characterization of polyurethanes from carbohydrates” – Contributed talk at the International Symposium on Polymer Analysis and Characterization in Bethesda, Maryland, June 3-6, 2018
  47. “Use of Cottonseed Protein in Wood Adhesives” – poster at the International Symposium on Polymer Analysis and Characterization in Bethesda, Maryland, June 3-6, 2018
  48. “Study of physical and tribology of soybean oil-based grease formulated with polysoap” – contributed talk (coauthored), American Oil Chemists’ Society in Minneapolis, MN, May 6-9, 2018. 
  49. “NMR Analysis of Compositionally Heterogeneous Polysaccharides” – Invited talk at the ACS National Meeting in New Orleans, LA, March 18-22, 2018.
  50. “New bio-related materials based on cardanol” – contributed talk, ACS National Meeting in New Orleans, LA, March 18-22, 2018.
  51. “NMR analysis of the stereoregularity of poly(lactic acid) through the use of selective solvents” – invited talk (coauthored), ACS National Meeting in New Orleans, LA, March 18-22, 2018.
  52. “Washed cottonseed meal-based product as bio-based wood adhesives for non-structural interior applications” –poster (co-authored), ACS National Meeting in New Orleans, LA, March 18-22, 2018.
  53. “Novel cottonseed protein-based wood adhesives” – Invited talk at ACS National Meeting in Washington, DC, August 20-24, 2017. 
  54. “Perspectives on the USDA and its Research Portfolio” – Invited talk at ACS National Meeting in Washington, DC, August 20-24, 2017. 
  55. “Nomenclature – the Language of Chemistry” – Poster presented (with R. Yokley and M.  Mosher) at ACS National Meeting in Washington, DC, August 20-24, 2017. 
  56. “Modifications and Characterization of Proteins as Adhesives” – Invited talk at International Symposium on Polymer Analysis and Characterization (ISPAC) in Linz, Austria, June 11-14, 2017.
  57. “Novel polyurethanes from Xylan and TDI: Preparation and characterization” – Invited talk at ACS National Meeting in San Francisco, CA, April 6, 2017. 
  58. “Polymerized and Functionalized Triglycerides”  – Contributed talk at ACS national meeting in Philadelphia, August 21, 2016.
  59. “Elements of Insurance” – Poster presented at Sci-Mix (with Jessica Tirado) at ACS national meeting in Philadelphia, August 22, 2016.
  60. “New Chemical Educator Legal Liability Insurance” – Poster presented at Sci-Mix (with Jessica Tirado) at ACS national meeting in Philadelphia, August 22, 2016.
  61. “For the Love of Chemistry” – Award Presentation at ACS national meeting in Philadelphia, August 23, 2016
  62. “NMR Studies of Compositional Heterogeneity in Polysaccharides” – Contributed talk at International Carbohydrate Symposium, New Orleans, July 17-20, 2016.
  63. “NMR Characterization of Polymers from Triglycerides” – Invited talk at International Symposium on Polymer Analysis and Characterization (ISPAC) in Singapore, June 12-15, 2016.
  64. “NMR Characterization of Polymers: Review and Update” – Invited tutorial talk at International Symposium on Polymer Analysis and Characterization (ISPAC) in Singapore, June 12-15, 2016.
  65. “Technologies for Converting Agricultural Trash to Value-Added Products” – Invited talk at National University of Singapore, June 16, 2016.
  66. “Use of Cottonseed in Adhesive Applications” – Invited talk at ACS national meeting in San Diego, March 13-17, 2016.
  67. “Eli Pearce: A Global Leader and Humanitarian” – Invited talk at ACS national meeting in San Diego, March 13-17, 2016.
  68. “Novel Polymeric Materials from Triglycerides” – Invited talk at Pacifichem, Honolulu, December 18, 2015.  (Furan)
  69. “129Xe NMR Studies of Biochar made from Biobased Materials” – Invited talk at Pacifichem, Honolulu, December 19, 2015.
  70. “Stereoregularity analysis of poly(lactic acid) by solution NMR” – Poster presented at Pacifichem, Honolulu, December 16, 2015 (with K. Suganuma and T. Asakura).
  71. “NMR Spectroscopy of polymers in solution” – Invited talk at National Taiwan University, Taipei, Taiwan, October 5, 2015.
  72. “New biobased products from old raw materials” – Invited talk at National Chi Nan University, Nan-Tou, Taiwan, October 6, 2015.
  73. “Use of enzymes in polymer reactions.” Invited talk at Kaohsiung Medical University, Kaohsiung, Taiwan, October 7, 2015.
  74. “Chemistry without Borders: International Activities at ACS” – Invited talk at ACS national meeting in Boston, August 17, 2015.
  75. “Microwave-assisted synthesis and characterization of polyurethanes from carbohydrates and diisocyanates” – Contributed talk at the ACS national meeting in Boston, August 19, 2015.
  76. “Conversion and Characterization of Agri-based Materials” – Contributed talk at the International Symposium on Polymer Analysis and Characterization, Houston, Texas, June 8, 2015.  (CD and starch urethanes)
  77. “Some Thoughts on Jobs and Careers in Chemistry” – Invited talk at ACS East Texas Section and Northwest Louisiana Section, Schreveport, Louisiana, April 16, 2015
  78. “An Introduction to Green Polymer Chemistry” – Invited talk at ACS Central Texas Section, Austin, Texas, April 28, 2015.
  79. “Conversion of Agricultural Residues into Value-Added Products” – Invited Talk at ACS National Meeting, Denver, March 2015.  (CMC and CMC Acetate)
  80. “Novel Structural Modifications of Plant Oils” – Poster presented at ACS National Meeting, Denver, March 2015 (with A. Biswas)
  81. “ACS International and You” – Poster presented at ACS Central Regional Meeting, Pittsburgh, October 29, 2014.
  82. “Green Chemistry Synthesis of Cellulosic Derivatives” – Invited talk at ACS National Meeting, San Francisco, August 2014.
  83. “What’s Hot in Polymers, and Where are the Jobs?”  – Talk given at ACS Louisiana Section Science Café, July 2014.
  84. “How to get a Job in a Government Lab” – Invited Talk at POLY National Graduate Polymer Research Conference, Baton Rouge, LA.  June 2014.
  85. “Modified Triglyceride Oils as Self-Curing Systems” – Invited Talk at ACS National Meeting, Dallas, March 2014.  (PTAD and DEAD)
  86. “NMR Studies of Compositional Heterogeneity in Polysaccharides” – Invited Talk at New Orleans Carbohydrate Symposium, New Orleans, March 2014.
  87. “Conversion of Renewable Resources to Value-Added Materials” – Invited talk at Oklahoma State Univ. – November 2013. 
  88. “Syntheses of Polymeric Materials from Triglyceride Oils” – Contributed talk at the ACS National Meeting, Indianapolis, September 2013.
  89. “NMR Studies of Polymer Structure, Composition, and Heterogeneity.”  Invited talk at the ACS National Meeting, Indianapolis, September 2013.
  90. “Customized Triglycerides for Polymer Synthesis” – Contributed talk at ISPAC, June 2013, New Orleans
  91. “Conversion of Renewable Resources to Value-Added Materials” – Invited talk at Dow Chemical Company, 5/16/2013
  92. “Selected Reactions Involving Polysaccharides” – Invited talk at New Orleans Carbohydrate Symposium, New Orleans, April 2013
  93. “NMR Studies of Polymers from Renewable Materials” – Invited talk at ACS National Meeting, New Orleans, April 2013.
  94. “Development of Food-Related Materials from Cotton By-products” – Invited talk at UJNR meeting, New Orleans, December 2012.
  95. “Modification of Zein with lsocyanates” – Contributed talk at ACS Southwest Regional Meeting, Baton Rouge, LA, November 2012
  96. “Conversion of Renewable Resources to Value-Added Materials” – Invited talk at Loyola Univ., September 2012
  97. “Vegetable Oil-Based New Materials” – Invited talk at ACS National Meeting, Philadelphia, August 2012
  98. “Use of Common Beans as Components in Polymeric Materials” – Invited talk at ACS National Meeting, Philadelphia, August 2012
  99. “Use of Agricultural Products as Fillers in Polymer Composites” – Contributed talk, 25th ISPAC, Kerkrade, the Netherlands, June 2012
  100. “Celebrating Cultural Diversity” – Invited talk at James Whitten Research Center,  Stoneville, MS, May 2012
  101. “Conversion of Renewable Resources to Value-Added Materials” –  Invited talk at Univ. of Alabama, Huntsville.  April 2012
  102. “Use of Agricultural Materials in Polymer Composites” – Invited talk at New Orleans Carbohydrate Symposium, New Orleans, March 2012
  103. “Development of Biobased Polymers from Renewable Resources at USDA” – Invited talk at the ACS National Meeting, San Diego, March 2012
  104. “Hydrogenation of Cottonseed Oil Revisited” – Poster presented at the ACS National Meeting, San Diego, March 2012.
  105. “Solid state 1D and 2D NMR spectroscopic investigations of conformational changes of metal phytate compounds“ –  Poster presented at the ACS National Meeting, San Diego, March 2012.
  106. “New Biobased Materials from Renewable Resources” – Invited talk at the Macromex (Joint ACS Polymer Division – Mexican Polymer Society Meeting) – December 2011.
  107. “Polymers from Renewable Resources” – Invited talk at Univ. of Southern Mississippi, Hattiesburg, November 2011
  108. “Polymers from Renewable Resources” – Invited talk at Louisiana State Univ., Baton Rouge, September 2011.
  109. “Composite Films Containing Poly(vinyl alcohol) and Edible Bean.”  – Contributed talk at ACS National Meeting in Denver, August  2011
  110. “NMR and ESR Characterization of Activated Carbons Produced from Pecan Shells” – Contributed talk at ISPAC, Torino, Italy, June 2011
  111. “Synthesis and Characterization of Novel Derivatives from Vegetable Oil” – Poster at ISPAC, Torino, Italy, June 2011
  112. “Chemical Modifications of Renewable Cellulosic Materials” – Invited talk at the New Orleans Carbohydrate Symposium, New Orleans, April 1, 2011
  113. “Chemical Modifications of Cotton-Based Natural Materials” – Invited talk at the ACS National Meeting (Anselme-Payen Award symposium), Anaheim, CA.  March 2011.
  114. “New Biobased Materials from Soybean Oil: Amination and Click Reactions” – Invited talk at the ACS National Meeting, Anaheim, CA.  March 2011.
  115. “Aging – A Trend and An Opportunity at ACS.” – Talk given at the ACS National Meeting, Anaheim, CA.  March 2011.
  116. “Life Begins at 50” – Poster given at the ACS National Meeting, Anaheim, CA.  March 2011.
  117. “NMR Studies of Biomass and its Reaction Products” – Invited talk at the Pacifichem meeting in Honolulu, HI, December 2010.
  118. “Cellulosic Derivatives from Cotton Byproducts” – Contributed talk given at the ACS Meeting in Boston, August 22-26, 2010.
  119. “ACS Senior Chemists Task Force: An Overview” – Poster presented at ACS National Meeting in Boston, Fall 2010.
  120. “Recent Advances in NMR Spectroscopy of Polymers” – Invited talk given at the International Symposium on Polymer Analysis and Characterization (ISPAC), Pohang, South Korea, June 2010.
  121. “Polymers from Renewable Resources” – Invited talk given at the Special Librarian’s Association (SLA) Conference, New Orleans, June 14, 2010.
  122. “New Biobased Products from Old Raw Materials”, Invited talk given at the Mexico National Autonomous University (UNAM) and University of Guanajuanto, Mexico, April 14-16, 2010.
  123. “Advances in NMR Studies of Polymers”, Invited talk given at the University of Guanajuanto, Mexico, April 16, 2010.
  124. “Enzymatic Modifications of Polysaccharides” – Invited talk given at the New Orleans Carbohydrate Symposium, New Orleans, March 26, 2010
  125. “Senior Chemists Task Force: An Update” – Poster presented at the ACS San Francisco meeting, March 2010.
  126. “New polyamide structures based on methyl acrylate and diamine” – Invited talk given at the ACS Meeting in Washington, DC, August 15-20, 2009
  127. “New NMR Approaches to study Polymer Reactions”- Invited talk given at International Symposium on Polymer Analysis and Characterization (ISPAC), Zlin, Czech Republic, June 20-25, 2009.
  128. “Green Chemistry in an Industrial Context” – Invited talk at the Symposium on “Commercial Innovations and Opportunities in Polymer Science” – organized by the ACS Polymer Division, held on May 4-7, 2008 in Galveston, Texas.  
  129. “How to Prepare for the Job Market of the Future” – Invited talk at the National ACS Meeting in New Orleans, 4/9/08
  130. “New Bio-Based Materials from Soybean Oil: Hydrazine and Related Derivatives” – Poster presented at the National ACS Meeting in San Francisco, 9/14/06
  131. “Enzymatic Synthesis of Polyamides” – Invited talk given at the National ACS Meeting in San Francisco, 9/14/06
  132. “Identifying Job Opportunities” – Invited talk given at the National ACS Meeting in San Francisco, 9/12/06
  133. “Overview of CEPA” – Poster presented at the National ACS Meeting in San Francisco, Fall, 2006.
  134. “Future Trends and Careers in Chemistry” – Talk given at Career Workshop of the ACS Leadership Conference, Baltimore, 1/27/06
  135. “Enzyme-Catalyzed Esterification of Cellulosics, Guar, and Polyethers” – Invited talk given at the National ACS Meeting in San Diego, 3/15/05.
  136. “Globalization Issues” – Poster presented at the National ACS Meeting in San Diego, 3/14/05.
  137. “Enzyme-Catalyzed Polymer Modification Reactions” – Invited talk given at the symposium on “Innovations at the Interface of Polymers and Biology”, held in celebration of the 150th Anniversary of the Polytechnic University, 5/11/05.
  138. “Solution NMR of Polymers: New Models and Approaches” – Invited talk given at Pacific Chemistry Conference (Pacifichem), Honolulu, December 2005.
  139. “Overview of Polymer Biocatalysis” – Invited lecture given at the Chemistry Department of the University of Central Florida, 2/24/04.
  140. “NMR Spectroscopy of Polymers” – Second invited lecture given at the Chemistry Department of the University of Central Florida, 2/24/04.
  141. ”Global Outsourcing” – Talk given at the CEPA workshop held at the National ACS Meeting in Anaheim, 3/27/2004.
  142. “Biocatalysis in Polymer Science” – Invited talk given at the USDA NCAUR, Peoria, October 23, 2003.
  143. “Enzyme-Catalyzed Modification of Pectin” – Invited talk given at the National ACS Meeting in New York City, September 2003
  144. “Biocatalysis in Polymer Science” – Invited talk given at the Graduate Students Polymer Conference at Lehigh University, June 25, 2003.
  145. “Compositional Heterogeneity in NMR Polymer Analysis” – Invited talk given at the National ACS Meeting in New Orleans, 3/24/03
  146. “Polyblends containing Starch and Vinyl Polymers” – Poster presentation made at the National ACS Meeting in New Orleans, 3/25/03
  147. “NMR Analysis of Copolymers through Kinetic Modeling” – Poster presented at the ACS National Meeting in New Orleans, 3/23/03.
  148. “Polymer Characterization – Future Prospects”  – Invited talk at the International Symposium on Polymer Analysis and Characterization, Twente, the Netherlands, 6/19/02
  149. “Determination of the Heterogeneity of Polymers by NMR” – Poster presented at ACS National Meeting in Orlando, Spring 2002.
  150. “Advances in NMR Spectroscopy of Polymers.”  Invited lecture given at the CUNY College of Staten Island, Chemistry Department, 11/28/01
  151. “Opportunities and Challenges of an Industrial Career.”  Invited talk given at the National ACS Meeting in Chicago, 8/28/01
  152. “Analysis of Polysaccharides by NMR and Separation Techniques.”  Invited talk given at the National ACS Meeting in Chicago, 8/28/01
  153. “Product Development using Natural Polymers.”  Annual Industry-Academic Poster Presentations at the University of Delaware, Newark, Delaware, 5/2/01
  154. “Enzyme-Catalyzed Chemical Reactions” – Invited lecture given at the Academy of Life Long Learning, Wilmington, Delaware, on April 27, 2001
  155. “Computer-Aided NMR Methods for Polymer Analysis” – Invited talk given at the National ACS Meeting in San Diego, April 3, 2001.
  156. “Enzyme Modification of Water-Soluble Polymers” – Invited talk given at the National ACS Meeting in Washington, DC, 8/24/00
  157. “NMR Analysis of Polymers through Computer Simulation Approaches” – Invited talk given at the Pacific Chemistry Conference (Pacifichem), 12/14/00.