Josef S. Gratzl

Venica, A. D., Chen, C.-L., & Gratzl, J. S. (2008). Soda-AQ delignification of poplar wood. Part 1: Reaction mechanism and pulp properties. HOLZFORSCHUNG, 62(6), 627–636. https://doi.org/10.1515/HF.2008.118

Venica, A. D., Chen, C.-L., & Gratzl, J. S. (2008). Soda-AQ delignification of poplar wood. Part 2: Further degradation of initially dissolved lignins. HOLZFORSCHUNG, 62(6), 637–644. https://doi.org/10.1515/HF.2008.119

Capanema, E. A., Balakshin, M. Y., Chen, C. L., & Gratzl, J. S. (2006). Oxidative ammonolysis of technical lignins. Part 4. Effects of the ammonium hydroxide concentration and pH. JOURNAL OF WOOD CHEMISTRY AND TECHNOLOGY, 26(1), 95–109. https://doi.org/10.1080/02773810600582350

Wang, R., Chen, C. L., & Gratzl, J. S. (2005). Dechlorination of chlorophenols found in pulp bleach plant E-1 effluents by advanced oxidation processes. BIORESOURCE TECHNOLOGY, 96(8), 897–906. https://doi.org/10.1016/j.biortech.2004.08.011

Xie, T. Y., Chen, C. L., & Gratzl, J. S. (2005). Dechlorination of pulp bleaching plant E-1 effluent by ArF* and KrF* excirner laser photolysis. Part 1. Dechlorination of chlorophenols identified in E-1 effluent. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 172(3), 222–230. https://doi.org/10.1016/j.jphotochem.2004.10.021

Xie, T. Y., Chen, C. L., & Gratzl, J. S. (2005). Dechlorination of pulp bleaching plant E-1 effluent by ArF* and KrF* excirner laser photolysis. Part 2. Dechlorination of polychlorinated oxylignins. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 172(3), 231–240. https://doi.org/10.1016/j.jphotochem.2004.11.018

Wang, R., Chen, C. L., & Gratzl, J. S. (2004). Dechlorination and decolorization of chloro-organics, in pulp bleach plant E-1 effluents, by advanced oxidation processes. Bioresource Technology, 94(3), 267–274. https://doi.org/10.1016/j.biotech.2004.01.005

Wang, R., Chen, C. L., & Gratzl, J. S. (2004). Ozonation of pine kraft lignin in alkaline solution. Part 1: Ozonation, characterization of kraft lignin and its ozonated preparations. HOLZFORSCHUNG, 58(6), 622–630. https://doi.org/10.1515/HF.2004.116

Wang, R., Chen, C. L., & Gratzl, J. S. (2004). Ozonation of pine kraft lignin in alkaline solution. Part 2: Surface active properties of the ozonated kraft lignins. HOLZFORSCHUNG, 58(6), 631–639. https://doi.org/10.1515/HF.2004.117

Alves, V., Capanema, E., Chen, C. L., & Gratzl, J. (2003). Comparative studies on oxidation of lignin model compounds with hydrogen peroxide using Mn(IV)-Me(3)TACN and Mn(IV)-Me4DTNE as catalyst. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 206(1-2), 37–51. https://doi.org/10.1016/S1381-1169(03)00448-5

Capanema, E. A., Balakshin, M. Y., Chen, C. L., Gratzl, J. S., & Kirkman, A. G. (2002). Oxidative ammonolysis of technical lignins - Part 3. Effect of temperature on the reaction rate. HOLZFORSCHUNG, 56(4), 402–415. https://doi.org/10.1515/HF.2002.063

Balakshin, M., Chen, C. L., Gratzl, J. S., Kirkman, A. G., & Jakob, H. (2001). Biobleaching of pulp with dioxygen in laccase-mediator system - effect of variables on the reaction kinetics. JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC, 16(3-4), 205–215. https://doi.org/10.1016/S1381-1177(01)00062-5

Balakshin, M., Capanema, E., Chen, C. L., Gratzl, J., Kirkman, A., & Gracz, H. (2001). Biobleaching of pulp with dioxygen in the laccase-mediator system - reaction mechanisms for degradation of residual lignin. JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC, 13(1-3), 1–16. https://doi.org/10.1016/S1381-1177(00)00225-3

Capanema, E. A., Balakshin, M. Y., Chen, C. L., Gratzl, J. S., & Kirkman, A. G. (2001). Oxidative ammonolysis of technical lignins - Part 1. Kinetics of the reaction under isothermal condition at 130 degrees C. HOLZFORSCHUNG, 55(4), 397–404. https://doi.org/10.1515/HF.2001.066

Capanema, E. A., Balakshin, M. Y., Chen, C. L., Gratzl, J. S., & Kirkman, A. G. (2001). Oxidative ammonolysis of technical lignins - Part 2. Effect of oxygen pressure. HOLZFORSCHUNG, 55(4), 405–412. https://doi.org/10.1515/HF.2001.067

Capanema, E. A., Balakshin, M. Y., Chen, C. L., Gratzl, J. S., & Gracz, H. (2001). Structural analysis of residual and technical lignins by H-1-C-13 correlation 2D NMR-spectroscopy. HOLZFORSCHUNG, 55(3), 302–308. https://doi.org/10.1515/HF.2001.050

Balakskin, M., Chen, C. L., Gratzl, J. S., Kirkman, A. G., & Jakob, H. (2000). Biobleaching of pulp with dioxygen in the laccase-mediator system. Part 1. Kinetics of delignification. HOLZFORSCHUNG, 54(4), 390–396. https://doi.org/10.1515/HF.2000.066

Gratzl, J. S., & Chen, C. L. (2000). Chemistry of pulping: Lignin reactions. Lignin: Historical, Biological, and Materials Perspectives, 742, 392–421.

Potthast, A., Rosenau, T., Kosma, P., Chen, C. L., & Gratzl, J. S. (2000). Confirmation of the presence of formaldehyde and N-(methylene)morpholinium cations as reactive species in the cellulose/NMMO/water system by trapping reactions. HOLZFORSCHUNG, 54(1), 101–103. https://doi.org/10.1515/HF.2000.016

Balakshin, M. Y., Chen, C. L., Gratzl, J. S., Kirkman, A. G., & Jakob, H. (2000). Kinetic studies on oxidation of veratryl alcohol by laccase-mediator system - Part 1. Effects of mediator concentration. HOLZFORSCHUNG, 54(2), 165–170. https://doi.org/10.1515/HF.2000.028

Balakshin, M. Y., Chen, C. L., Gratzl, J. S., Kirkman, A. G., & Jakob, H. (2000). Kinetic studies on oxidation of veratryl alcohol by laccase-mediator system. Part 2. The kinetics of dioxygen uptake. HOLZFORSCHUNG, 54(2), 171–175. https://doi.org/10.1515/HF.2000.029

Cui, Y., Puthson, P., Chen, C. L., Gratzl, J. S., & Kirkman, A. G. (2000). Kinetic study on delignification of kraft-AQ pine pulp with hydrogen peroxide catalyzed by Mn(IV)-Me4DTNE. HOLZFORSCHUNG, 54(4), 413–419. https://doi.org/10.1515/HF.2000.069

Chen, C. L., Potthast, A., Rosenau, T., Gratzl, J. S., Kirkman, A. G., Nagai, D., & Miyakoshi, T. (2000). Laccase-catalyzed oxidation of 1-(3,4-dimethoxyphenyl)-1-propene using ABTS as mediator. JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC, 8(4-6), 213–219. https://doi.org/10.1016/S1381-1177(99)00059-4

Cui, Y., Chen, C. L., Gratzl, J. S., & Patt, R. (1999). A Mn(IV)-Me4DTNE complex catalyzed oxidation of lignin model compounds with hydrogen peroxide. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 144(3), 411–417. https://doi.org/10.1016/S1381-1169(99)00042-4

Rosenau, T., Potthast, A., Kosma, P., Chen, C. L., & Gratzl, J. S. (1999). Autocatalytic decomposition of N-methylmorpholine N-oxide induced by Mannich intermediates.

Chen, C., Gratzl, J. S., Kirkman, A. G., Potthast, A., & Rosenau, T. (1999). Selective enzymatic oxidation of aromatic methyl groups to aldehydes by oxygen in the presence of a laccase-mediator catalyst. Washington, DC: U.S. Patent and Trademark Office.

Kadla, J. F., Chang, P. M., Chen, C. L., & Gratzl, J. S. (1998). Reactions of lignin with cyanamide activated hydrogen peroxide Part 1. The degradation of lignin model compounds. HOLZFORSCHUNG, 52(5), 506–512. https://doi.org/10.1515/hfsg.1998.52.5.506

Kadla, J. F., Chang, H. M., Chen, C. L., & Gratzl, J. S. (1998). Reactions of lignin with cyanamide activated hydrogen peroxide Part 2. The degradation mechanism of phenolic lignin model compounds. HOLZFORSCHUNG, 52(5), 513–520. https://doi.org/10.1515/hfsg.1998.52.5.513

Uraki, Y., Chen, C. L., & Gratzl, J. S. (1997). Sonolysis of chloro-organics in bleach plant E-1 effluents. HOLZFORSCHUNG, 51(5), 452–458. https://doi.org/10.1515/hfsg.1997.51.5.452

Parthasarathy, V. R., Sundaram, M., Jameel, H., Gratzl, J. S., & Klein, R. J. (1991). Two stage process for the oxygen delignification of lignocellulosic fibers with peroxide reinforcement in the first stage. Washington, DC: U.S. Patent and Trademark Office.

Gratzl, J. S. (1989). Process for delignification of cellulosic substances by pretreating with a complexing agent followed by peroxide prior to kraft digestion. Washington, DC: U.S. Patent and Trademark Office.

Gratzl, J. S. (1989). Process for the delignification of cellulosic substances by pretreating with a complexing agent followed by hydrogen peroxide. Washington, DC: U.S. Patent and Trademark Office.