Ewellyn A Capanema

Works (22)

2016 journal article

An approach towards tailoring interfacial structures and properties of multiphase renewable thermoplastics from lignin-nitrile rubber

GREEN CHEMISTRY, 18(20), 5423–5437.

By: T. Bova*, C. Tran*, M. Balakshin, J. Chen*, E. Capanema & A. Naskar*

Source: Web Of Science
Added: August 6, 2018

2016 journal article

Structural analysis of hardwood native lignins by quantitative C-13 NMR spectroscopy

HOLZFORSCHUNG, 70(2), 95–108.

By: M. Balakshin, E. Capanema, R. Santos, H. Chang & H. Jameel

author keywords: C-13 NMR; hardwood; lignin structural analysis; milled wood lignin (MWL); S/G ratio
Source: Web Of Science
Added: August 6, 2018

2015 journal article

HOW WELL DO MWL AND CEL PREPARATIONS REPRESENT THE WHOLE HARDWOOD LIGNIN?

JOURNAL OF WOOD CHEMISTRY AND TECHNOLOGY, 35(1), 17–26.

By: E. Capanema, M. Balakshin, R. Katahira n, H. Chang & H. Jameel

author keywords: Lignin; lignin-carbohydrate complex (LCC); milled wood lignin (MWL); cellulolytic enzyme lignin (CEL); NMR spectroscopy
Source: Web Of Science
Added: August 6, 2018

2012 journal article

Lignin Structural Variation in Hardwood Species

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 60(19), 4923–4930.

By: R. Santos, E. Capanema, M. Balakshin, H. Chang & H. Jameel

author keywords: S/G ratio; S/V ratio; lignin; hardwoods; C-13 NMR
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Lignin Changes after Steam Explosion and Laccase-Mediator Treatment of Eucalyptus Wood Chips

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 59(16), 8761–8769.

By: R. Martin-Sampedro*, E. Capanema, I. Hoeger, J. Villar* & O. Rojas n

author keywords: Eucalyptus globulus; steam explosion; laccase-mediator system; thermogravimetric analyses (TGA); milled wood lignin (MWL); 2D NMR; HSQC; quantitative C-13 NMR; lignin thermal properties; lignin chemistry
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Quantification of lignin-carbohydrate linkages with high-resolution NMR spectroscopy

PLANTA, 233(6), 1097–1110.

By: M. Balakshin, E. Capanema, H. Gracz, H. Chang & H. Jameel

author keywords: Lignin-carbohydrate complex; Benzyl ether LCC linkages; Phenyl glycoside linkages; Ester LCC linkages; Quantitative HSQC NMR technique
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Label-free in situ imaging of lignification in the cell wall of low lignin transgenic Populus trichocarpa

PLANTA, 230(3), 589–597.

By: M. Schmidt*, A. Schwartzberg*, P. Perera*, A. Weber-Bargioni*, A. Carroll*, P. Sarkar*, E. Bosneaga*, J. Urban* ...

author keywords: Populus trichocarpa (black cottonwood); Cell wall; Lignin; Microspectroscopy; Raman imaging; Transgenic
Source: Web Of Science
Added: August 6, 2018

2007 journal article

MWL fraction with a high concentration of lignin-carbohydrate linkages: Isolation and 2D NMR spectroscopic analysis

HOLZFORSCHUNG, 61(1), 1–7.

By: M. Balakshin, E. Capanema & H. Chang

author keywords: 2D NMR; ester lignin-carbohydrate bonds; ether lignin-carbohyd rate bonds; lignin-carbohydrate complex (LCC); loblolly pine; milled wood lignin (MWL); phenyl glycoside linkages
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, M. Balakshin, C. Chen & J. Gratzl

author keywords: technical lignins; oxidative ammonolysis; kinetics of ammonium hydroxide concentration
Source: Web Of Science
Added: August 6, 2018

2005 article

NMR studies on Fraser fir Abies fraseri (Pursh) Poir. Lignins (vol 59, 488, 2005)

HOLZFORSCHUNG, Vol. 59, pp. 706–706.

Source: Web Of Science
Added: August 6, 2018

2005 journal article

Quantitative characterization of a hardwood milled wood lignin by nuclear magnetic resonance spectroscopy

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 53(25), 9639–9649.

By: E. Capanema, M. Balakshin & J. Kadla n

author keywords: correlation 2D NMR; hardwood; lignin; milled wood lignin (MWL); quantitative C-13 NMR
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Rapid screening of wood chemical component variations using transmittance near-infrared spectroscopy

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 53(9), 3328–3332.

By: T. Yeh n, T. Yamada*, E. Capanema, H. Chang, V. Chiang & J. Kadla*

author keywords: Loblolly pine (Pinus taeda); aspen (Populus trichocarpa); transmittance near-infrared spectroscopy (NIR); increment cores; wood wafer; alpha-cellulose content; lignin content; screening
Source: Web Of Science
Added: August 6, 2018

2004 journal article

A comprehensive approach for quantitative lignin characterization by NMR spectroscopy

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 52(7), 1850–1860.

By: E. Capanema, M. Balakshin & J. Kadla

author keywords: lignin; milled wood lignin (MWL); quantitative C-13 NMR spectroscopy; HMQC NMR technique
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, M. Balakshin & C. Chen

author keywords: cellulase; enzymatic hydrolysis; hardwood kraft pulp; hemicellulase; lignin-carbohydrate complex; residual lignin
Source: Web Of Science
Added: August 6, 2018

2004 conference paper

Tracking down the effects of a rare mutant gene in loblolly pine: a first report

2004 Paper Summit, Spring Technical and International Environmental Conference. CD-ROM published by TAPPI, Norcross, GA.

By: Q. Yu, E. Capanema, V. Batista, S. Josserand, G. Johnson, C. Nelson, S. McKeand, J. MacKay ...

Source: NC State University Libraries
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, E. Capanema, C. Chen & J. Gratzl

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, E. Capanema & H. Gracz

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
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, E. Capanema, C. Chen & H. Gracz

author keywords: residual lignin; kraft lignin; kraft pulping; NMR; 2D HMQC technique; lignin-carbohydrate complex; condensation reactions; lignin degradation products
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, E. Capanema & H. Gracz

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
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.

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

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

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

HOLZFORSCHUNG, 55(4), 397–404.

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

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.

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

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