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Biorefinery - Biofuels & Biochemicals

 

Fiber Chemistry/Modification

 

Kraft Pulping & Bleaching

  • Experimental and modeling of carbonate formation in the effluent of oxygen delignification.   Zhang, D. C.; Hsieh, J.; Chai, X. -S.; Ragauskas, A. J.    AIChE Journal (2007),  53(3),  669-677.

  • Deconvoluting chromophore formation and removal during kraft pulping: influence of metal cations. Dyer, Thomas J.; Ragauskas, Arthur J.. Appita Journal (2006), 59(6), 452-458 [Invited]

  • Profiling the wood and pulping properties of southern pine thinning resources. Kim, Dong Ho; Allison, Lenong; Carter, Blair; Hou, Qingxi; Courchene, Charles; Ragauskas, Arthur J.; Sealey, James. Tappi Journal (2005), (1), 21-25.

  • Comparative Evaluation of Oxygen Delignification Processess for Low- and High-Lignin-Content Softwood Kraft Pulps. Lucia, L.; Ragauskas, A.J.; Chakar, F., Ind. Eng. Chem. Res., 41, 5171-5180(2002).

  • Oxygen Degradation and Spectroscopic Characterization of Hardwood Kraft Lignin. Yang, R.; Lucia, L.; Ragauskas, A.; Jameel, H. Industrial & Engineering Chemistry Research, 41(24), 5941-5948 (2002).

  • Zhan, Huai-yu; Pu, Yun-qiao; Ragauskas, Arthur J.; Jiang, Jian Er. Structural changes of lignin during EMCC pulping of Pinus elliottii in southern China. Huanan Ligong Daxue Xuebao, Ziran Kexueban , 30(9), 65-69(2002).

  • A Comparative Evaluation of Low-AOX Hardwood Kraft Pulp Bleaching Sequences. McDonough, T.J.; Courchene, C.E.; Shaket, A.; Ragauskas, A.J.; Khandelwal, B.; Magnotta, V.L., Pulp & Paper Canada, 102(10), T 295(2001).

  • Breaking the Oxygen Delignification Barrier: Lignin Activity and Inactivity. Lucia, L.; Goodell, M.; Chakar, F.S.; Ragauskas, A.J. In Oxidative Delignification Chemistry. Fundamentals and Catalysis. Ed. Argyropoulos, D.A., ACS Symposium Series, Oxford University Press, Washington, 785, 444 (2001).

  • Intrinsic Metal Binding Capacity of Kraft Lignins. Werner, J.; Ragauskas, A.J.; Jiang, J.E., J. Wood Chem. Technol., 20(2), 133(2000).

  • Influence of Hexenuronic Acids on US Bleaching Operations. Chakar, F.S.; Allison, L.; Ragauskas, A.J.; McDonough, T.J.; Sezgi, U., TAPPI J., November (2000).

  • Metal Profiling of Southeastern U.S. Softwood and Hardwood Furnish. Allison, L.; Ragauskas, A.J.; Hsieh, J., TAPPI J., 83(8), 97(2000).

  • NMR Analysis of Oxidative Alkaline Extraction Stage Lignins. Runge, T.M.; Ragauskas, A.J., Holzforschung, 53, 623(1999).

  • NMR Studies. Part 5: Nature of Residual Lignin in Kraft Pulps. Ragauskas, A.J.; Lin, W.; McDonough, T.J.; Jiang, J.E., Tappi J., 82(9), 113(1999).

  • Oxygen Delignification of High-Yield Kraft Pulp. Moe, S.T.; Ragauskas, A.J., Holzforschung, 53, 416(1999).

  • Investigations into the Intrinsic Non-Process Element Binding Capacity of Kraft Black Liquor Lignins. Werner, J.; Jiang, J.E.; Ragauskas, A.J., Fundamentals Advances and Innovations in the Pulp and Paper Industry, Eds. Brogdon, B.N., Hart, P.W., Walker, C.C., AIChE Symposium Series 322, 95, 31(1999).

  • Investigation of ortho- and para-Quinone Chromophores in Alkaline Extraction Stage Residual Lignins. Zawadzki, M.; Runge, T.; Ragauskas, A.J. In ACS Symposium Series 742, Lignin: Historical, Biological, and Materials Perspectives, Eds. Glasser, W.G.; Northey, R.A.; Schultz, T.P., ACS, Washington, 254, 505(1999).

  • NMR Studies. Part 3: Analysis of Lignins from Modern Kraft Pulping Technologies. Froass, P.M.; Ragauskas, A.J.; Jiang, J.E., Holzforschung, 52, 385(1998).

  • NMR Studies. Part 4: Analysis of Residual Lignin after Kraft Pulping. Froass, P.M.; Ragauskas, A.J.; Jiang, J.E., Ind. Eng. Chem. Res., 37(8), 3388(1998).

  • Interaction of Hydrogen Peroxide and Chlorine Dioxide in ECF Bleaching. Senior, D.; Hamilton, J.; Froass, P.; Sealey, J.; Ragauskas, A.J., Tappi J., 81(6), 170(1998).

  • NMR Studies. Part 2: Investigation of Process Analytical NMR Techniques for the Pulp and Paper Industry. Draheim, E.J.; Ragauskas, A.J., J. Wood Chem. Technol., 17(3), 287(1997).

  • Chemical Structure of Residual Lignin from Kraft Pulp. Froass, P.M.; Ragauskas, A.J.; Jian-er, J., J. Wood Chem. Technol., 16(4), 347(1996).

  • Bleaching Kraft Pulps with in-situ Generated Dioxiranes. Santiago, D.; Rodriguez, A.; Szwec, J.; Baumstark, A.L.; Ragauskas, A.J., Ind. Eng. Chem. Res., 34, 400(1995).

  • A New Model Compound for Studying Alkaline Cellulose Cleavage Reactions. Kaylor, R.M.; Dimmel, D.R.; Ragauskas, A.J.; Liotta, C., J. Wood Chem. Technol., 15(4), 431(1995).

  • Investigation of Dimethyldioxirane as a Bleaching Reagent for Kraft Pulp. Ragauskas, A.J., Tappi J., 76(7), 87(1993).

  • Bleaching of Kraft Pulps via Dioxiranes. Ragauskas, A.J., in Advances in Oxygenated Processes. Ed. A.L. Baumstark, JAI Press Inc., England, 4, 177(1995).

 

Biobleaching


BioPolymer Chemistry

  • Synthesis of novel water-soluble sulfonated cellulose, Carbohydrate Research, Rajalaxmi, D.; Jiang, N.; Gelbaum L.; Ragauskas, A.J. Carb. Res. (2010) 345 (2), 284-290.

  • Improvement of paper properties using starch-modified precipitated calcium carbonate filler. Zhao, Yulin; Hu, Zeshan; Ragauskas, Art; Den, Yulin. Tappi Journal (2005), 4(2), 3-7

  • Improvement of paper strength with starch modified clay. Yan, Z.; Liu, Q.; Deng, Y.; Ragauskas, Journal of Applied Polymer Science (2005), 97(1), 44-50.

  • N-Hydroxyl Compounds as New Internal Standards for the 31P-NMR Determination of Lignin Hydroxyl Functional Groups. Zawadzki, M.; Ragauskas, A., Holzforschung, 55, 283(2001).

  • Facile Detection of Ortho- and Para-Quinone Structures in Residual Lignin by 31P NMR Spectroscopy. Zawadzki, M.; Runge, T.; Ragauskas, A.J., J. Pulp Paper Science, 26(3), 102(2000).

  • Molecular Recognition of a Salmonella Trisaccharide Epitope by Monoclonal Antibody SE155-4. Bundle, D.R.; Eichler, E.; Gidney, M.A.J.; Meldal, M.; Ragauskas, A.J., Biochemistry 33(17), 5172(1994).


Nano Materials and Composites

 

Photo-Aging Lignocellulosics



Natural Products Chemistry

  • Ultrasound-promoted synthesis of nitriles from aldoximes under ambient conditions. Jiang, N; Ragauskas, A. J. Tetrahedron Letters (2010), 51(34), 4479-4481.


  • Synthetic applications of laccase in green chemistry.  Witayakran, S.; Ragauskas, A. J.   Advanced Synthesis & Catalysis (2009),  351(9),  1187-1209.


  • Copper-catalyzed highly efficient aerobic oxidation of alcohols under ambient conditions. Jiang, Nan; Ragauskas, Arthur J. School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA, USA. ChemSusChem (2008), 1(10), 823-825.


  • Laccase-generated quinones in naphthoquinone synthesis via Diels-Alder reaction.  Witayakran, S.; Zettili, A.; Ragauskas, A.J.   Tetrahedron Letters  (2007),  48(17),  2983-2987.


  • Selective Aerobic Oxidation of Activated Alcohols into Acids or Aldehydes in Ionic Liquids.  Jiang, Nan; Ragauskas, Arthur J.  Journal of Organic Chemistry (2007), 72(18),  7030-7033.


  • Piperylene Sulfone: A Recyclable Dimethyl Sulfoxide Substitute for Copper-Catalyzed Aerobic Alcohol Oxidation.   Jiang, Nan; Vinci, Daniele; Liotta, Charles L.; Eckert, Charles A.; Ragauskas, Arthur J.  Industrial & Engineering Chemistry Research     ACS ASAP.


  • One-pot synthesis of 1,4-naphthoquinones and related structures with laccase.  Witayakran, S.; Ragauskas, A.J. Green Chemistry (2007), 9(5), 475-480.


  • Ionic liquid as a green solvent for lignin. Pu, Y.; Jiang, N.; Ragauskas, A.J.  Journal of Wood Chemistry and Technology (2007), 27(1),  23-33.


  • Vanadium-catalyzed selective aerobic alcohol oxidation in ionic liquid [bmim]PF6. Nan, J.; Ragauskas, A.J. Tetrahedron Letters (2007) 48, 273 - 276.


  • Copper(II)-Catalyzed Selective Aerobic Oxidation of Alcohols under Mild Conditions. Jiang, N.; Ragauskas, A.J. Journal of Organic Chem. (2006) 71(18), 7087-7090.


  • Study of thioglycosylation in ionic liquids, Zhang, J.; Ragauskas, A. Beilstein Journal of Organic Chemistry (2006), 2(12) (27Jun 2006).


  • Environmentally friendly synthesis of biaryls: Suzuki reaction of aryl bromides in water at low catalyst loading. Jiang, N.; Ragauskas, A.J. Tetrahedron Letters (2006), 197-200.


  • Copper(II)-Catalyzed Aerobic Oxidation of Primary Alcohols to Aldehydes in Ionic Liquid [bmpy]PF6. Jiang, Nan; Ragauskas, Arthur J. Organic Letters (2005), 7(17), 3689-3692


  • TEMPO-catalyzed oxidation of benzylic alcohols to aldehydes with the H2O2/HBr/ionic liquid [bmim]PF6 system. Nan, J; Ragauskas, A.J. Tetrahedron Letters (2005), 46(19), 3323-3326.

  • An Examination of the Effect of Conformation on ? Enolization in Some Bicyclo[3.2.1] octan 2 ones. Clements, T.M.; Klinck, R.E.; Peiris, S.; Ragauskas, A.J.; Stothers, J.B., Can. J. Chem., 66, 454(1988).

  • Homoenolization in the Camphenilone System. Examination of Some 7 Substituted Derivatives. Peiris, S.; Ragauskas, A.J.; Stothers, J.B., Can. J. Chem., 65, 789(1987).

  • Preparative Ring Expansions of Bicyclic Ketones by Homoketonization of Cyclopropoxide Analogues. Patel, V.; Ragauskas, A.J.; Stothers, J.B., Can. J. Chem., 64, 1440(1986).

  • An Examination of the [3.3.1.0] [4.3.0.0] Rearrangement via ?-Enolization and H/D Exchange in Tricyclic Ketones, Ragauskas, A.J.; Stothers, J.B., Can. J. Chem., 63, 1250(1985).

  • Tricyclo[3.3.0.0] and [3.2.1.0]octanones from Substituted Norbornenones via Cyclopropanation and Homoketonization, Ragauskas, A.J.; Stothers, J.B. Can. J. Chem., 63, 2961(1985).

  • The Simmons Smith Reaction with Some Silyl Enol Ethers. Unusual Ring Expansions of Some Norcamphors. Ragauskas, A.J.; Stothers, J.B., Can. J. Chem., 63, 2969(1985).

  • 13C NMR Spectra of Several Tricyclo[6.3.0.02,6]undecane Derivatives. Jurlina, J.L.; Ragauskas, A.J.; Stothers, J.B., Magn. Reson. Chem., 23, 689(1985).

  • A Synthesis of Hirsutene: A Simple Route via ? Enolization. Dawson, B.A.; Ghosh, A.K.; Jurlina, J.L.; Ragauskas, A.J.; Stothers, J.B., Can. J. Chem., 62, 2521(1984).

  • A Serendipitous, High Yield Conversion of Norbornenone to Tricyclo[3.2.1.02,7]octan 4 one. Ragauskas, A.J.; Stothers, J.B., Can. J. Chem., 61, 2254(1983).

  • Nitrobenzene Valence Bond Structures: Evidence in Support of Through Resonance from 17O Shieldings. Fraser, R.R.; Ragauskas, A.J.; Stothers, J.B., J. Am. Chem. Soc., 104, 6475(1982).

 

REFEREED CONFERENCE PROCEDINGS: 

Fiber Chemistry/Modification

  • Study on the modification of bleached eucalyptus kraft pulp using birch xylan. Han, W.; Zhao, C.; Elder, T.; Chen, K.; Yang, R.; Kim, D.; Pu, Y.; Hsieh, J.; Ragauskas, A. J. Carbohydrate Polymers (2012), 88(2), 719-725.

  • Filler Modification with Polysaccharides or Their Derivatives for Improved Paper Properties Song, D.; Dong, C.; Ragauskas, A.; Deng, Y. J. Biobased Mater. Bioenergy (2009) 3, 321–334.

  • Starch as Driver in Papermaking Development. Ragauskas, A.J.; Deng, Y.; White, D., Pira Fillers and Pigments for Papermakers Conference (Nov., 2005).

  • Improvement of Paper Properties using Starch-modified Precipitated Calcium Carbonate Filler. Zhao, Y.; Hu, Z.; Ragauskas, A.; Deng, Y. TAPPI Practical Papermaking Conference, Milwaukee, WI (May, 2005).

  • Imaging Fibre Deformations. Lowe. R.; Page, D.; Ragauskas, A.J. 13th Fundamental Research Symposium, Robinson College, Cambridge, UK. (Sept., 2005).

  • The Influence of the Conditions in Kraft Cooking of Loblolly Pine on Kraft Charge. Dang, Z.; Ragauskas, A.J., 2005 Engineering, Pulping, and Environmental Conference, Philadelphia, PA.

  • Fiber chemical modification by selective catalytic oxidation during one-stage oxygen delignification. Zhang, D.C.; Ragauskas, A.J. 2005 Engineering, Pulping, and Environmental Conference, Philadelphia, PA.

  • The Fate of Fiber Charge During Peroxide Bleaching and Oxygen Delignification. Zhang D.; Kim, D.; Allison, A.; Dang, Z.; Ragauskas, A.J. 2005 International Pulp Bleaching Conference, June Stockholm, Sweden

  • Deconvoluting Chromophore Formation and Removal during Kraft Pulping: Influence of Metal Cations. Dyer, T.J.; Ragauskas, A.J. 13th International Symposium on Wood, Forestry, and Pulping Chemistry, Auckland, New Zealand (May 2005).

  • Excitation Energy Transfer in Cellulosics: Indications of Inter-fibre Fluorescence Resonance Energy Transfer. Thomson, C.I.; Lowe, R.M.; Ragauskas, A.J. 13th International Symposium on Wood, Forestry, and Pulping Chemistry, Auckland, New Zealand (May 2005).

  • Surfaces Customized for Performance via Dielectric Barrier Discharge. Vander Wielen, L.C.; Elder, T.; Ragauskas, A.J., 2004 Progress in Paper Physics Seminar, Trondheim, Norway.

  • Excitation Energy Transfer in Lignin: Fluorescence of Kraft Residual Lignin. Dyer, T.J.; Ragauskas, AJ. 8th European Workshop On Lignocellulosics and Pulp, August (2004) Latvia.

  • The Tincture of Kraft Pulps.  Thomson, C.I.;  Dyer, T.J.; Ragauskas, AJ. 8th European Workshop On Lignocellulosics and Pulp , August (2004) Latvia.

  • Tailoring Fiber Properties During One-Stage Oxygen Delignification Fiber Acid Group Content Development, Zhang, D.; Ragauskas, A.J.; Hou, Q.; Chai, X.S., Fall TAPPI Technical Conference, Atlanta Nov. (2004).

  • Impact of Dielectric-Barrier Discharge on Bonding, Vander Wielen, L.; Page, D.; Ragauskas, A.J., 2003 International Paper Physics /> Conference, Victoria, BC, Canada (2003).

  • Imaging Individual Fibre Intersections in the Wet and Dry State, Lowe, R.; Page, D.; Ragauskas, A.J., 2003 International Paper Physics Conference, Victoria, BC, Canada (2003).

  • Dielectric Discharge a Concatenated Approach to Fiber Modification, Vander Wielen, L.C.; Ragauskas, A.J., S.T.,12th International Symposium on Wood and Pulping Chemistry, Madison, WI (June 2003).

  • Effect of Acid Group Content on the Properties of Cotton Fibers. Barzyk, D.; Ragauskas, A.; Ellis, R., Fundamentals and Applications in Pulping, Papermaking, and Chemical Preparation, AIChE, Forest Products Symposium, Chicago, IL, 146(1996).

Kraft Pulping & Bleaching
  • Evaluation of ECF Bleached SW Kraft Pulps from Mature and Thinning Wood Resources. Ragauskas, A.J.; Kim, D.H.; Carter, B.C.; Courchene, C.E., Fall TAPPI Technical Conference, Atlanta Nov. (2004).

  • Assessing The Pulp and Paper Industry Outlook, Frederick, J.; Ragauskas, A.J. South Carolina forestry Association's Annual Meeting and Governor's Forestry Summit, Myrtle Beach , SC (2004).

  • Defining The Benefits of High-Kappa Pulps for ECF Bleaching Operations, Ragauskas, A.J.; Pu, Y.; Naithani, V.; Jameel, H.; Lucia, L. Fall TAPPI Technical Conference, Atlanta Nov. (2004).

  • Improving Bleached Kraft Pulp Production via Integrated Kraft pulping and O-Delignification Technologies, Lucia, L.; Ragauskas, A.J.; Naithani, V.; Jameel, H., TAPPI Paper Summit 2004, Atlanta, GA.

  • Examining the Impact of Process Variables on Brownstock Kraft Pulps, Dyer, T.J.; Ragauskas, A.J. 2003 TAPPI Fall Technical Conference: Engineering, Pulping & PCE&I, Oct., Chicago, IL.

  • Pulping Properties of Southern Pine Thinning Wood Resource, Ragauskas, A.J.; Allison, L.; Carter, B.R.; Courchene, C.E.; Hou, Q.; Kim, D.H; Sealey, J.E. II. 2003 TAPPI Fall Technical Conference: Engineering, Pulping & PCE&I, Oct., Chicago, IL.

  • High Selectivity Oxygen Delignification of SW and HW Kraft Pulps with Tailored Bleachability Properties, Ragauskas, A.J.; Hasan, J.; Naithani, V.; Lucia, L.; Pu. Y., 2003 TAPPI Fall Technical Conference: Engineering, Pulping & PCE&I, Oct., Chicago, IL.

  • Enhancing the Chemical Basis for Improved Kraft Pulping with PS, AQ, and PS/AQ, Dyer, T.; Feng, Z.; Ragauskas, A.J.; Vaaler, D.; Moe, S.T.,12th International Symposium on Wood and Pulping Chemistry, Madison, WI (June 2003).

  • Developing Predictive Relationships Between O2, Delignification and Physical Pulp Properties, Yang, R.; Pu, Y.; Lucia, L.; Ragauskas, A.J.; Jameel, H., 12th International Symposium on Wood and Pulping Chemistry, Madison, WI (June 2003).

  • Influence of Nonprocess Elements on Lignin Structure During Oxygen Delignification, Pu, Y.; Lucia, L.; Ragauskas, A.J.; Jameel, H., 2nd International symposium on Emerging Technologies of Pulping and Papermaking Conference, Guangzhou, China (2002).

  • Identifying the Optimal Applications of D and Z for Low Consistency Bleaching of Hard Wood Kraft Pulps. Retzlaff, A.; Ragauskas, A.J., TAPPI Pulping Conference, San Diego, CA(Sept. 2002).

  • The Application of an Economic and Effective Selectivity Chemical System for Improving Oxygen Delignification in a Mill Setting. Fu, S., Goyal, G., Lucia, L.A., Ragauskas, A.J., Hanna, R. TAPPI Pulping Conference, San Diego, CA(Sept. 2002).

  • Optimizing Pulping and Oxygen Bleaching to Improve Yield. Jameel, H.; Kirkman, A.; Ragauskas, A.J.; Lucia, L., TAPPI Kraft Pulp Yield Workshop, Paper Summit, March (2002).

  • Developments in Bleaching Technology Focus on Reducing Capital, Operating Costs, Pulp and Paper, Dyer, T. ; Ragauskas, A.J., March, 49-53(2002).

  • (D/Z/D) and (Z/D/Z): A Sagacious Application of Bleaching Chemistry for Kraft Pulps, Retzlaff, A.; Ragauskas, A.J. 7th European Workshop on Lignocellulosics and Pulp, Turku, Finland (Aug., 26, 2002).

  • Low Capital Retrofit for High Value Pulping. Ban, W.; White, D.; Woitkovich, C.; Ragauskas, A.; Lucia, L. TAPPI Kraft Pulp Yield Workshop, Paper Summit, March (2002).

  • Performance with Reduced Cost: Optimizing ECF Bleaching Technologies with a Poor Man’s O. Dyer, T.J.; Johnston, D.C.; Ragauskas, A.J., TAPPI Pulping Conference, Seattle, WA(Nov. 2001).

  • Controlling The Efficiency of Oxygen Delignification Through Selected Key Operational Parameters: Pulp Mixing and Metals Management. Yang, R.; Lucia, L.A.; Ragauska

  • Novel Concatenations of Bleaching Sequences, Retzlaff, A.; Ragauskas, A.J., 11th International Symposium on Wood and Pulping Chemistry, Nice, I, France, 271(June, 2001).

  • On the Improved Selectivity of Oxygen Delignification 1. Fiber Curl, Crystallinity and Length. Fiskari, J.P.T.; McDonough, T.J.; Dyer, T.J.; Ragauskas, A.J.; Waterhouse, J.F., 11th International Symposium on Wood and Pulping Chemistry, Nice, I, France, III-463(June, 2001).

  • Low Capital, High Return Modifications to Kraft Pulping Operations. Ban, W.; Ragauskas, A.J.; Lucia, L.A., TAPPI Pulping Conference, Seattle, WA(Nov. 2001).

  • Structural Changes of Lignin during EMCC? Pulping of Pinus Elliottii in Southern China. Pu, Z.; Zhan, H.; Ragauskas, A.J.; Jiang, J.E., 11th International Symposium on Wood and Pulping Chemistry, Nice, France, I, 45(June, 2001).

  • The Influence of Pulp Bleaching on Non-Process Elements. Wang, W.; Hsieh, J.S.; Ragauskas, A.J., TAPPI Pulping Conference, Boston, MA(Nov. 2000).

  • Mini Oxygen Stages: More Delignification with Less Capital. Dyer, T.J.; Lucia, L.A.; Ragauskas, A.J.; Jameel, H., TAPPI Pulping Conference, Boston, MA(Nov. 2000).

  • Evaluation of Hexenuronic Acids in U.S. Kraft Pulps. Chakar, F.S.; Allison, L.; McDonough, T.J.; Ragauskas, A.J. 6th European Workshop on Lignocellulosics and Pulp – Advances in Lignocellulosics Chemistry Towards High Quality Processes and Products, Bordeaux, France, 253(Sept. 2000).

  • Improving the Bleachability of Hardwood Kraft Pulps. McDonough, T.J.; Shaket, A.; Ragauskas, A.J.; Baosman, A.; Sezgi, U., 2000 International Pulp Bleaching Conference, Halifax, NS, 49(June 2000).

  • Extending the Limits of Oxygen Delignification. Chakar, F.S.; Lucia, L.; Ragauskas, A.J., 2000 International Pulp Bleaching Conference, NS, Canada, 123(June 2000).

  • Pulp Properties Influencing Oxygen Delignification Bleachability. Zawadzki, M.; Ragauskas, A.J., TAPPI Pulping Conference, Orlando, FL, 1, 323(Oct. 1999).

  • ECF Bleachability of Softwood and Hardwood Kraft Pulps Made with Altered Liquor Concentration Profiles. McDonough, T.J.; Krishnagopalan, G.A.; Rawat, N.; Saucedo, V.M.; Ragauskas, A.J.; Melander, M.; Zawadzki, M., 10th International Symposium on Wood and Pulping Chemistry, Yokohama, Japan, 296(June 1999).

  • Structural Changes in Kraft Pulp Residual Lignin Upon Peracetic Acid Treatment. Moe, S.T.; Ragauskas, A.J., 10th International Symposium on Wood and Pulping Chemistry, Yokohama, Japan, 296(June 1999).

  • A Comparative Evaluation of Low-AOX Hardwood Kraft Pulp Bleaching Sequences, McDonough, T.J.; Courchene, C.E.; Shaket, A.; Ragauskas, A.J.; Khandelwal, B.; Magnotta, V.L. 1999 CPPA Conference, Montreal, QC, B307(Jan.1999).

  • Lignin Structural Changes by Oxidative Alkaline Extraction. Runge, T.M.; Ragauskas, A.J.; McDonough, T.J., 1998 TAPPI Pulping Conference, Montreal, QC, 3, 1541(Oct. 1998).

  • Chromophoric Properties of High Brightness Pulps. Zawadzki, M.; Runge, T.M.; Ragauskas, A.J., TAPPI Pulping Conference, Montreal, QC, 3, 1551(Oct. 1998).

  • Fundamental Parameters Contributing to Improved ClO2 Pulp Bleaching. Ragauskas, A.J.; McDonough, T.J.; Lin, L., International Pulp Bleaching Conference, Helsinki, Finland, 87(June 1998).

  • Extended Oxygen Delignification of High-Yield Kraft Pulp. Correlation between Residual Lignin Structures and Bleachability by Oxygen and Chlorine Dioxide. Moe, S.T.; Ragauskas, A.J.; McDonough, T.J., 1998 International Pulp Bleaching Conference, Helsinki, Finland, 33(June 1998).

  • A Comparative Evaluation of Low AOX Bleaching Sequences. Ragauskas, A.J.; Turner, M.; Khandelwal, B.; Magnotta, V.L., 1998 International Pulp Bleaching Conference, Helsinki, Finland, 389(June 1998).

  • High-Yield Pulping and Bleaching Strategy for Aspen Kraft Pulps. Senior, D.J.; Oldroyd, D.L.; Fleming, B.I.; Ragauskas, A.J.; Zawadzki, M., 1998 International Pulp Bleaching Conference, Helsinki, Finland, 49(June 1998).

  • Oxidative Alkaline Extraction Impact on Delignification and Chromophore Destruction. Runge, T.; Ragauskas, A.J., 1998 International Pulp Bleaching Conference, Helsinki, Finland, 613(June 1998).

  • Differences in Bleaching and Refining Response of Displacement Batch Hardwood and Softwood Caused by Pulping Conditions and Structure of Residual Lignin. Hanna, R.J.; Fisher, J.J.; Krohn, M.J.; Goyal, G.C.; Packwood, R.E.; Ragauskas, A.J., International Pulp Bleaching Conference, Helsinki, Finland, 323(June 1998).

  • Studies of Chlorine Dioxide Delignification: Vapor-Phase Bleaching of Hardwood and Softwood Kraft Pulps. McDonough, T.; Ragauskas, A.; Shaket, A.; Sezgi, U., TAPPI International Environmental Conference, 1121(April 1998).

  • Evaluation of the Intrinsic Metal Binding Capacity of Kraft Black Liquor Lignins. Werner, J.A.; Ragauskas, A.J.; Jiang, J.E., 1998 TAPPI Pulping Conference, Montreal, QC, 3, 1145(1998).

  • Fundamental Parameters Contributing to Residual Lignin in Kraft Pulp. Ragauskas, A.J.; Lin, W.; McDonough, T.; Jiang, J., TAPPI Pulping Conference, San Francisco, CA, 903(Oct., 1997).

  • High-Yield Production Strategy for Hardwood Kraft Pulps. Senior, D.; Hamilton, J.; Oldroyd, D.; Hillis, S.; Wadley, F.; Fleming, B.; Ragauskas, A.; Sealey, J., TAPPI Pulping Conference, San Francisco, CA, 45(Oct. 1997).

  • Advances in Understanding the Basics of the First Alkaline Extraction Stage in Bleaching. Runge, T.; Ragauskas, A.; Froass, P., TAPPI Pulping Conference, San Francisco, CA, 603(Oct. 1997).

  • Interaction of Hydrogen Peroxide and Chlorine Dioxide Stages in ECF Bleaching. Senior, D.J.; Hamilton, J.; Ragauskas, A.J.; Sealey, J.; Froass, P.M., International Pulp Bleaching Conference, 261(April 1996).

  • Relationship between Residual Lignin Structure and Pulp Bleachability. Froass, P.M.; Ragauskas, A.J.; McDonough, T.J.; Jiang, J.E., 1996 International Pulp Bleaching Conference, Washington, DC, 163(June 1996).

  • Totally Chlorine-Free Bleaching with Dimethyldioxirane. McDonough, T.J.; Marquis, A.; Ragauskas, A.J., International Pulp Bleaching Conference, Vancouver, BC, 47(June 1994).

  • Fundamental Studies of Dimethyldioxirane as a Bleaching Reagent for Kraft Pulps. Ragauskas, A.J.; Rodriguez, A.; Senior, D.J.; Qui, C., Nonchlorine Bleaching Conference, Hilton Head, SC, 41, 13(March 1993).

  • Chemistry of Cationic Retention Aids: Molecular Orbital Calculations on Monomers. Elder, T.; Ragauskas, A.J., CTAPI 7th Int. Symp. Wood Pulping Chem. Proc., Beijing, 3, 404(May 1993).


Biobleaching

  • Enzymatic Biobleaching of Two Recalcitrant Paper Dyes with Horseradish and Soybean Peroxidase. Knutson, K.; Kirzan, S.; Ragauskas, A.J., Biotechnology Letters (2005), 27(11), 753-758.

  • An Auspicious Application of Laccase and Hydrogen Peroxidases for Biobleaching of Recalcitrant Paper Dyes, Knutson, K.; Ragauskas, A.J., 2th International Symposium on Wood and Pulping Chemistry, Madison, WI (June 2003).

  • LMS Biobleaching Studies, Allison, L.; Ragauskas, A.J., TAPPI Pulping Conference, San Diego, CA(Sept. 2002).

  • Laccase: The Renegade of Fiber Modification. Chandra, R.; Ragauskas, A.J., TAPPI Pulping Conference, Seattle, WA(Nov. 2001).

  • Sculpting the Molecular Weight of Lignin via Laccase. Chandra, R.; Ragauskas, A.J., 11th International Symposium on Wood and Pulping Chemistry, Nice, France, II; 9(June 2001).

  • Biotechnology in the Pulp and Paper Industry: A Challenge for Change. Ragauskas, A.J., 8th International Conference on Biotechnology in the Pulp and Paper Industry, Helsinki, Finland O/2(June 2001).

  • Delving into the Fundamental LMS Delignification of High Kappa Kraft Pulps, Chandra, R.P.; Chakar, F.S.; Allison, L.; Kim, D.H.; Ragauskas, A.J., Elder, T., 8th International Conference on Biotechnology in the Pulp and Paper Industry, Helsinki, Finland, 54(June, 2001).

  • Elucidating the Effect of Laccase on the Physical Properties of High Kappa Kraft Pulps. Chandra, R.P.; Ragauskas, A.J., 8th International Conference on Biotechnology in the Pulp and Paper Industry, Helsinki, Finland, 255 (June 2001).

  • The Path Forward to Practical Nascent Laccase Biobleaching Technologies. Chakar, F.S.; Allison, L.; Kim, D.H.; Ragauskas, A.J., TAPPI Pulping Conference, Boston, MA (Nov. 2000).

  • Laccase-Lignin Interactions, Chakar, F.S.; Ragauskas, A.J., 6th European Workshop on Lignocellulosics and Pulp – Advances in Lignocellulosics Chemistry Towards High Quality Processes and Products, Bordeaux, France, 53(Sept. 2000).

  • Laccase-Mediator Systems and Oxygen Delignification-A Comparative Study. Chakar, F.S.; Ragauskas, A.J.; McDonough, T.J., 2000 International Pulp Bleaching Conference, Halifax, NS, 59(June, 2000).

  • Fundamental Investigations of Laccase Mediator Delignification on High Lignin Content Kraft Pulps. Chakar, F.S.; Ragauskas, A.J., 10th International Symposium on Wood and Pulping Chemistry, Yokohama, Japan, 566(June 1999).

  • Biobleaching of High Lignin Content Kraft Pulps Via Laccase-Mediator Systems. Chakar, F.S.; Ragauskas, A.J.; Nilvebrant, N.-O., 1998 TAPPI Pulping Conference, Montreal, QC, 1, 95(Oct. 1998).

  • Effects of Laccase Mediator Delignification on Fiber Properties. Haynes, K.; Ragauskas, A.J., International Pulp Bleaching Conference, Helsinki, Finland, 355(June 1998).

  • Biobleaching of Kraft Pulps with Laccase and Hydroxybenzotriazole. Sealey, J.; Runge, T.; Ragauskas, A.J., TAPPI Biological Sciences Symposium, San Francisco, CA, 339(Oct. 1997).

  • Biobleaching of Kraft Pulps with Laccase and Hydroxybenzotriazole. Sealey, J.; Runge, T.; Ragauskas, A.J., TAPPI Biological Sciences Symposium, San Francisco, CA, 339(Oct. 1997).

  • Fundamental Investigations into the Chemical Mechanisms Involved in Laccase-Mediator Biobleaching. Sealey, J.; Ragauskas, A.J., 9th International Symposium on Wood and Pulping Chemistry, Montreal, QC, F1-1(June 1997).

  • Residual Lignin Studies of Laccase Delignified Kraft Pulps. Sealey, J.; Ragauskas, A.J., Fourth European Workshop on Lignocellulosics and Pulp, Stresa, Italy, 171(Sept. 1996).

  • The Biobleaching Interactions between Xylanase, Ozone, and Dimethyldioxirane. Ragauskas, A.J.; Rodriguez, A.; Allison, L.; Santiago, D., 1994 Biological Sciences Symposium, Minneapolis, MN, 245(Oct.1994).

 

Natural Products Chemistry

  • Cascade synthesis of benzofuran derivatives via laccase oxidation-Michael addition. Witayakran, S.; Gelbaum, L.; Ragauskas, AJ. Tetrahedron (2007), 63(45), 10958-10962.


  • Lignin-Extractives Complexes May Disturb Analysis of Isolated Lignins by NMR. Nilvebrant, N.O.; Ragauskas, A.J.; Dyer, T.; Kleen, M., 11th International Symposium on Wood and Pulping Chemistry, Nice, France, I, 139(June, 2001).


Photo-Aging Lignocellulosics

  • A Determination of the Sui Generis Photoyellowing Properties of Acetylated BCTMP Lignin, Pu,Y.; Anderson, S.; Lucia, L;. Ragauskas, A.J. 7th European Workshop on Lignocellulosics and Pulp, Turku, Finland (Aug., 26, 2002).

  • Long-time natural aging of untreated and additive-treated aspen CTMP. Paulsson, M.; Parkås, J.; Ragauskas, A.J. 7th European Workshop on Lignocellulosics and Pulp, Turku, Finland (Aug., 26, 2002).

  • Photoyellowing of Acetylated High-Yield Pulps Under Ambient, Oxygen, and Argon Atmospheres. Lucia, L.A.; Ragauskas, A.J.; Li, C.; Paulsson, M., 10th International Symposium on Wood and Pulping Chemistry, Yokohama, Japan, 722 (June 1999).

  • Second Generation of Sulfur-Based Additives for Hindering Brightness Reversion of Mechanical Pulps. Ragauskas, A.J.; Cook, C., 9th International Symposium on Wood and Pulping Chemistry, Montreal, QC, K6-1(June 1997).

  • Photoyellowing of Mechanical Pulps: Mechanism and Prevention. Pan, X.; Ragauskas, A.J., 9th International Symposium on Wood and Pulping Chemistry, Montreal, QC, 97-1(June 1997).

 

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Last Updated: April 5, 2012