Works (40)

Updated: July 5th, 2023 16:04

2010 journal article

Effects of organic solvents on the activity of free and immobilised laccase from Rhus vernicifera

International Journal of Biological Macromolecules, 47(4), 488–495.

By: Y. Wan, R. Lu, L. Xiao, Y. Du, T. Miyakoshi, C. Chen, C. Knill, J. Kennedy

Source: NC State University Libraries
Added: August 6, 2018

2007 journal article

Enzymatic dehydrogenative polymerization of urushiols in fresh exudates from the lacquer tree, Rhus vernicifera DC

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 55(6), 2201–2208.

By: S. Harigaya n, T. Honda n, L. Rong n, T. Miyakoshi n & C. Chen n

co-author countries: Japan 🇯🇵 United States of America 🇺🇸
author keywords: lacquer tree exudates; urushiols; laccase; autoxidation; single-electron-transferring oxidation; polymerization; 2D-NMR spectroscopy; reaction mechanisms
MeSH headings : Catechols / chemistry; Catechols / metabolism; Dimerization; Laccase / metabolism; Magnetic Resonance Spectroscopy / methods; Oxidation-Reduction; Plant Extracts / chemistry; Polymers / metabolism; Rhus / chemistry
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Constituents of the root wood of Austroplenckia populnea var. ovata

JOURNAL OF NATURAL PRODUCTS, 69(8), 1225–1227.

By: J. Sousa n, G. Silva n, T. Miyakoshi n & C. Chen n

co-author countries: Japan 🇯🇵 United States of America 🇺🇸
MeSH headings : Alkaloids / chemistry; Alkaloids / isolation & purification; Brazil; Celastraceae / chemistry; Molecular Structure; Plant Roots / chemistry; Plants, Medicinal / chemistry; Wood
Source: Web Of Science
Added: August 6, 2018

2006 journal article

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.

By: E. Capanema n, M. Balakshin n, C. Chen n & J. Gratzl n

co-author countries: Brazil 🇧🇷 United States of America 🇺🇸
author keywords: technical lignins; oxidative ammonolysis; kinetics of ammonium hydroxide concentration
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Dechlorination of chlorophenols found in pulp bleach plant E-1 effluents by advanced oxidation processes

BIORESOURCE TECHNOLOGY, 96(8), 897–906.

By: R. Wang n, C. Chen n & J. Gratzl n

co-author countries: United States of America 🇺🇸
author keywords: chlorinated phenols; advanced oxidation processes; UV-photolysis; dechlorination; kinetics; oxygen; hydrogen peroxide; ozone
MeSH headings : Chlorophenols / chemistry; Hydrogen Peroxide / chemistry; Industrial Waste; Kinetics; Oxidants / chemistry; Oxidants, Photochemical / chemistry; Oxidation-Reduction; Ozone / chemistry; Paper; Photochemistry; Water Purification / methods
Source: Web Of Science
Added: August 6, 2018

2005 journal article

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.

By: T. Xie n, C. Chen n & J. Gratzl n

co-author countries: United States of America 🇺🇸
author keywords: pulp bleaching plant E-1 effluent; advanced oxidation processes; ArF* and KrF* eximer laser photolyses; 193 and 248 nm photons; dechlorination; oxygen; hydrogen peroxide; kinetics
Source: Web Of Science
Added: August 6, 2018

2005 journal article

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.

By: T. Xie, C. Chen* & J. Gratzl*

author keywords: pulp bleaching plant E-1 effluent; polychlorinated oxylignins; ultrafiltration; advanced oxidation processes; ArF* (193 nm) eximer laser photolysis; decolorization; dechlorination; oxygen; hydrogen peroxide; kinetics
Source: Web Of Science
Added: August 6, 2018

2004 journal article

An improved procedure for isolation of residual lignins from hardwood kraft pulps

HOLZFORSCHUNG, 58(5), 464–472.

By: E. Capanema n, M. Balakshin n & C. Chen n

co-author countries: United States of America 🇺🇸
author keywords: cellulase; enzymatic hydrolysis; hardwood kraft pulp; hemicellulase; lignin-carbohydrate complex; residual lignin
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Dechlorination and decolorization of chloro-organics, in pulp bleach plant E-1 effluents, by advanced oxidation processes

Bioresource Technology, 94(3), 267–274.

By: R. Wang, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Ozonation of pine kraft lignin in alkaline solution. Part 1: Ozonation, characterization of kraft lignin and its ozonated preparations

HOLZFORSCHUNG, 58(6), 622–630.

By: R. Wang n, C. Chen n & J. Gratzl n

co-author countries: United States of America 🇺🇸
author keywords: chemical composition; functional group analysis; molecular mass distribution; nitrobenzene-potassium permanganate oxidation; ozonation in alkaline solution; pine kraft lignin; reaction mechanisms; ultrafiltration
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Ozonation of pine kraft lignin in alkaline solution. Part 2: Surface active properties of the ozonated kraft lignins

HOLZFORSCHUNG, 58(6), 631–639.

By: R. Wang n, C. Chen n & J. Gratzl n

co-author countries: United States of America 🇺🇸
author keywords: interfacial tension; Gibbs adsorption equation for dilute solution; ozonated kraft lignins; surface tension
Source: Web Of Science
Added: August 6, 2018

2003 journal article

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.

By: V. Alves n, E. Capanema n, C. Chen n & J. Gratzl n

co-author countries: United States of America 🇺🇸
author keywords: lignin model compounds; binucleus Mn(IV) complexes; oxidation; hydrogen peroxide; catalysis; reaction kinetics; reaction mechanisms; catalytic cycle; epoxidation of conjugated double bonds
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Comparative studies on the delignification of pine kraft-anthraquinone pulp with hydrogen peroxide by binucleus Mn(IV) complex catalysis

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 51(21), 6223–6232.

By: C. Chen n, E. Capanema n & H. Gracz n

co-author countries: United States of America 🇺🇸
author keywords: pine kraft-AQ pulp; binucleus Mn(IV) complex; hydrogen peroxide bleaching; catalysis; residual lignins; alkaline-soluble lignin; 2D HMQC NMR; epoxidation; oxidative cleavage
MeSH headings : Catalysis; Cellulase / metabolism; Hydrogen Peroxide / chemistry; Hydrogen-Ion Concentration; Hydrolysis; Lignin / chemistry; Magnetic Resonance Spectroscopy; Manganese / chemistry; Pinus / chemistry; Solubility; Solutions; Stilbenes / chemistry; Wood
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Elucidation of the structures of residual and dissolved pine kraft lignins using an HMQC NMR technique

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 51(21), 6116–6127.

By: M. Balakshin n, E. Capanema n, C. Chen n & H. Gracz n

co-author countries: United States of America 🇺🇸
author keywords: residual lignin; kraft lignin; kraft pulping; NMR; 2D HMQC technique; lignin-carbohydrate complex; condensation reactions; lignin degradation products
MeSH headings : Carbohydrate Conformation; Carbohydrates / analysis; Industry; Lignin / chemistry; Lignin / isolation & purification; Magnetic Resonance Spectroscopy / methods; Molecular Structure; Pinus / chemistry; Wood
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Reaction mechanisms in delignification of pine Kraft-AQ pulp with hydrogen peroxide using Mn(IV)-Me4DTNE as catalyst

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 51(7), 1932–1941.

By: C. Chen n, E. Capanema n & H. Gracz n

co-author countries: United States of America 🇺🇸
author keywords: pine Kraft-AQ pulp; binucleus Mn(IV) complex; hydrogen peroxide bleaching; catalysis; residual lignins; alkaline soluble lignin; 2D HMQC NMR spectroscopic technique; epoxidation of conjugated double bonds
MeSH headings : Hydrogen Peroxide / chemistry; Lignin / analysis; Lignin / chemistry; Magnetic Resonance Spectroscopy; Organometallic Compounds / chemistry; Wood
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Oxidative ammonolysis of technical lignins - Part 3. Effect of temperature on the reaction rate

HOLZFORSCHUNG, 56(4), 402–415.

author keywords: technical lignins; oxidative ammonolysis of lignins; kinetics of ammonolysis; effect of temperature; nitrogen incorporation; lignin solubiliztion
Source: Web Of Science
Added: August 6, 2018

2001 journal article

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.

By: M. Balakshin n, C. Chen n, J. Gratzl n, A. Kirkman n & H. Jakob*

co-author countries: Germany 🇩🇪 United States of America 🇺🇸
author keywords: Coriolus laccase; laccase-mediator system (LMS); biobleaching of pulp; totally chlorine free bleaching; kinetics; delignification; oxidation; dioxygen uptake
Source: Web Of Science
Added: August 6, 2018

2001 journal article

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.

By: M. Balakshin n, E. Capanema n, C. Chen n, J. Gratzl n, A. Kirkman n & H. Gracz n

co-author countries: Brazil 🇧🇷 United States of America 🇺🇸
author keywords: pine Kraft-AQ pulp; biobleaching; dioxygen; laccase-mediator system (LMS); residual lignin; alkaline soluble lignins; changes in structures of lignins; reaction mechanisms
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Oxidative ammonolysis of technical lignins - Part 1. Kinetics of the reaction under isothermal condition at 130 degrees C

HOLZFORSCHUNG, 55(4), 397–404.

author keywords: technical lignins; oxidative ammonolysis; kinetics; isothermal condition; composition of N-modified lignins
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Oxidative ammonolysis of technical lignins - Part 2. Effect of oxygen pressure

HOLZFORSCHUNG, 55(4), 405–412.

author keywords: technical lignins; oxidative ammonolysis; kinetics; oxygen; composition of N-modified lignins
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Structural analysis of residual and technical lignins by H-1-C-13 correlation 2D NMR-spectroscopy

HOLZFORSCHUNG, 55(3), 302–308.

By: E. Capanema, M. Balakshin*, C. Chen*, J. Gratzl* & H. Gracz*

author keywords: technical lignin; residual lignin; 2D NMR spectra; diarylmethane structure
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Biobleaching of pulp with dioxygen in the laccase-mediator system. Part 1. Kinetics of delignification

HOLZFORSCHUNG, 54(4), 390–396.

By: M. Balakskin, C. Chen*, J. Gratzl*, A. Kirkman* & H. Jakob

author keywords: biobleaching; totally chlorine free bleaching; laccase-mediator system (LMS); kinetics; delignification; oxidation; dioxygen uptake; multi-LMS bleaching process
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Chemistry of pulping: Lignin reactions

Lignin: Historical, Biological, and Materials Perspectives, 742, 392–421.

By: J. Gratzl & C. Chen

Ed(s): R. W. G. Glasser & T. Schultz

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

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.

By: A. Potthast, T. Rosenau, P. Kosma, C. Chen* & J. Gratzl*

author keywords: N-methylmorpholine-N-oxide; cellulose; carbenium-iminium ions; formaldehyde; trapping reactions
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Kinetic studies on oxidation of veratryl alcohol by laccase-mediator system - Part 1. Effects of mediator concentration

HOLZFORSCHUNG, 54(2), 165–170.

By: M. Balakshin*, C. Chen*, J. Gratzl*, A. Kirkman* & H. Jakob

author keywords: laccase; ABTS; veratryl alcohol; oxidation; kinetics
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Kinetic studies on oxidation of veratryl alcohol by laccase-mediator system. Part 2. The kinetics of dioxygen uptake

HOLZFORSCHUNG, 54(2), 171–175.

By: M. Balakshin*, C. Chen*, J. Gratzl*, A. Kirkman* & H. Jakob

author keywords: laccase; ABTS; veratryl alcohol; dioxygen; LMS; oxidation; kinetics
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Kinetic study on delignification of kraft-AQ pine pulp with hydrogen peroxide catalyzed by Mn(IV)-Me4DTNE

HOLZFORSCHUNG, 54(4), 413–419.

By: Y. Cui, P. Puthson, C. Chen*, J. Gratzl* & A. Kirkman*

author keywords: pine kraft pulp; binuclear Mn(IV) complex; hydrogen peroxide; Mn(IV)-Me4DTNE-catalyzed bleaching of pulp; oxidation of residual lignin; delignification kinetics; brightness of bleached pulp; viscosity of bleached pulp
Source: Web Of Science
Added: August 6, 2018

2000 journal article

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.

By: C. Chen n, A. Potthast n, T. Rosenau n, J. Gratzl n, A. Kirkman n, D. Nagai*, T. Miyakoshi*

co-author countries: Japan 🇯🇵 United States of America 🇺🇸
author keywords: fungal laccases; enzyme-catalyzed oxidation; 1-(3,4-dimethoxyphenyl)-1-propene; laccase-mediator system
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Oxidation of isoeugenol and coniferyl alcohol catalyzed by laccases isolated from Rhus vernicifera Stokes and Pycnoporus coccineus

JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC, 10(6), 605–615.

By: T. Shiba*, L. Xiao*, T. Miyakoshi* & C. Chen n

co-author countries: Japan 🇯🇵 United States of America 🇺🇸
author keywords: Rhus laccase; enzyme-catalyzed oxidation; isoeugenol; coniferyl alcohol
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Synthesis of new trimeric lignin model compounds containing 5-5 ' and beta-O-4 ' substructures, and their characterization by 1D and 2D NMR techniques

Journal of the Brazilian Chemical Society, 11(5), 467–473.

By: V. Alves, M. Drumond, G. Stefani, C. Chen & D. Pilo-Veloso

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

A Mn(IV)-Me4DTNE complex catalyzed oxidation of lignin model compounds with hydrogen peroxide

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 144(3), 411–417.

By: Y. Cui, C. Chen n, J. Gratzl n & R. Patt*

co-author countries: Germany 🇩🇪 United States of America 🇺🇸
author keywords: Mn complexes; catalysis; hydrogen peroxide; oxidation; lignin model compounds
Source: Web Of Science
Added: August 6, 2018

1999 personal communication

Autocatalytic decomposition of N-methylmorpholine N-oxide induced by Mannich intermediates

By: T. Rosenau, A. Potthast, P. Kosma, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Characterization of residual lignin after SO2-catalyzed steam explosion and enzymatic hydrolysis of Eucalyptus viminalis wood chips

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 47(6), 2295–2302.

By: L. Ramos n, A. Mathias n, F. Silva n, A. Cotrim n, A. Ferraz n & C. Chen n

co-author countries: Brazil 🇧🇷 United States of America 🇺🇸
author keywords: Eucalyptus viminalis; steam treatment; alkali insoluble lignin; enzymatic hydrolysis
MeSH headings : Cellulase; Eucalyptus; Hot Temperature; Hydrolysis; Lignin / analysis; Lignin / chemistry; Plants, Medicinal; Solubility; Spectroscopy, Fourier Transform Infrared; Sulfur Dioxide; Wood
Source: Web Of Science
Added: August 6, 2018

1999 patent

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.

By: C. Chen, J. Gratzl, A. Kirkman, A. Potthast & T. Rosenau

Source: NC State University Libraries
Added: August 6, 2018

1998 chapter

Characterization of milled wood lignins and dehydrogenative polymerisates from monolignols by carbon-13 NMR spectroscopy

In S. S. N. G. Lewis (Ed.), Lignin and lignan biosynthesis (pp. 255–275). Washington, DC: American Chemical Society.

By: C. Chen

Ed(s): S. N. G. Lewis

Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Reactions of lignin with cyanamide activated hydrogen peroxide Part 1. The degradation of lignin model compounds

HOLZFORSCHUNG, 52(5), 506–512.

By: J. Kadla*, P. Chang, C. Chen* & J. Gratzl*

author keywords: hydrogen peroxide; cyanamide; peroxyimidic acid; superoxide anion radical; lignin model compound
Source: Web Of Science
Added: August 6, 2018

1998 journal article

Reactions of lignin with cyanamide activated hydrogen peroxide Part 2. The degradation mechanism of phenolic lignin model compounds

HOLZFORSCHUNG, 52(5), 513–520.

By: J. Kadla*, H. Chang*, C. Chen* & J. Gratzl*

author keywords: hydrogen peroxide; cyanamide; mechanisms; lignin model compounds; superoxide anion radical
Source: Web Of Science
Added: August 6, 2018

1997 patent

Preparation of protected amines or alkylated amino acids

Washington, DC: U.S. Patent and Trademark Office.

By: T. Roseanu, W. Habicher & C. Chen

Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Sonolysis of chloro-organics in bleach plant E-1 effluents

HOLZFORSCHUNG, 51(5), 452–458.

By: Y. Uraki, C. Chen* & J. Gratzl*

author keywords: sonolysis; acoustic cavitation; 4-chlorophenol; 2,4,6-trichlorophenol; polychlorinated oxylignin; chlorine bleaching; E-1 effluents; kinetics; dechlorination
Source: Web Of Science
Added: August 6, 2018

1978 patent

Process for obtaining seed hull commodities including cellulosic fibers and xylitol

Washington, DC: U.S. Patent and Trademark Office.

By: G. Jividen, H. Chang, R. Reeves & C. Chen

Source: NC State University Libraries
Added: August 6, 2018

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