John Heitmann

Works (49)

2018 journal article

Stem, Leaf, and Panicle Yield and Nutrient Content of Biomass and Sweet Sorghum

AGRONOMY JOURNAL, 110(5), 1659–1665.

By: A. Heitman, M. Castillo, T. Smyth & C. Crozier

Source: NC State University Libraries
Added: October 19, 2018

2018 journal article

Yield and nitrogen removal of bioenergy grasses as influenced by nitrogen rate and harvest management in the coastal plain region of North Carolina

Bioenergy Research, 11(1), 44–53.

By: Z. Wang, T. Smyth, C. Crozier, R. Gehl & A. Heitman

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

2015 journal article

Quantitative study of the interfacial adsorption of cellullase to cellulose

Journal of Physical Chemistry. C, 119(25), 14160–14166.

By: G. Hu, J. Heitmann, B. Zhong, L. Lucia & D. Argyropoulos

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

2012 journal article

Dimensional and hygroexpansive behaviors of cellulose microfi brils (MFs) from kraft pulp-based fibers as a function of relative humidity

Holzforschung, 66(8), 1001–1008.

By: J. Lee, J. Pawlak & J. Heitmann

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

2010 journal article

Longitudinal and concurrent dimensional changes of cellulose aggregate fibrils during sorption stages

Materials Characterization, 61(5), 507–517.

By: J. Lee, J. Pawlak & J. Heitmann

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

2010 journal article

Monitoring cellulase protein adsorption and recovery using SDS-PAGE

Industrial & Engineering Chemistry Research, 49(18), 8333–8338.

By: G. Hu, J. Heitmann, O. Rojas, J. Pawlak & D. Argyropoulos

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

2009 journal article

Importance of cellulosic fines relative to the dewatering rates of fiber suspensions

Industrial & Engineering Chemistry Research, 48(20), 9106–9112.

By: H. Chen, A. Park, J. Heitmann & M. Hubbe

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

2009 journal article

In situ monitoring of cellulase activity by microgravimetry with a quartz crystal microbalance

Journal of Physical Chemistry. B, Condensed Matter, Materials, Surfaces, Interfaces & Biophysical, 113(44), 14761–14768.

By: G. Hu, J. Heitmann & O. Rojas

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

2009 journal article

Quantification of cellulase activity using the quartz crystal microbalance technique

Analytical Chemistry, 81(5), 1872–1880.

By: G. Hu, J. Heitmann & O. Rojas

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

2008 journal article

A colloidal probe microscopy study of cellulose/gypsum interactions

Materials Characterization, 59(2), 144–150.

By: J. Bastidas, J. Pawlak, R. Venditti, J. Heitmann, M. Hubbe & J. Kadla

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

2008 journal article

Feedstock pretreatment strategies for producing ethanol from wood, bark, and forest residues

BioResources, 3(1), 270–294.

By: G. Hu, J. Heitmann & O. Rojas

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

2007 journal article

A simple method to tune the gross antibacterial activity of cellulosic biomaterials

Carbohydrate Polymers, 69(4), 805–810.

By: L. Adamopoulos, J. Montegna, G. Hampikian, D. Argyropoulos, J. Heitmann & L. Lucia

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

2007 journal article

Local morphological and dimensional changes of enzyme-degraded cellulose materials measured by atomic force microscopy

Cellulose, 14(6), 643–653.

By: J. Lee, J. Heitmann & J. Pawlak

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

2007 journal article

Rheology of carboxymethyl cellulose solutions treated with cellulases

BioResources, 2(1), 20–33.

By: J. Lee, J. Heitmann & J. Pawlak

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

2007 journal article

Technique for the measurement of dimensional changes of natural microfibril materials under variable humidity environments

Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 445, 632–640.

By: J. Lee, J. Heitmann & J. Pawlak

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

2006 journal article

Colloidal effects of acrylamide polyampholytes. Part 1. Electrokinetic behavior

Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 281(1-3), 74–81.

By: T. Sezaki, M. Hubbe, J. Heitmann, D. Argyropoulos & X. Wang

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

2006 journal article

Colloidal effects of acrylamide polyampholytes. Part 2, Adsorption onto cellulosic fibers

Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 289(1-3), 89–95.

By: T. Sezaki, M. Hubbe, J. Heitmann & D. Argyropoulos

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

2004 journal article

Dependency of polyelectrolyte complex stoichiometry on the order of addition - 2. Aluminum chloride and poly-vinylsulfate

Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 246(03-Jan), 71–79.

By: J. Chen, M. Hubbe, J. Heitmann, D. Argyropoulos & O. Rojas

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

2004 journal article

Effect of idealised flow conditions on retention aid performance. Part 1, Cationic acrylamide copolymer

Appita Journal, 57(5), 404–410.

By: T. Tripattharanan, M. Hubbe, R. Venditti & J. Heitmann

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

2004 journal article

Effects of sugar addition before drying on the wet flexibility of redispersed kraft fibres

Journal of Pulp and Paper Science, 30(1), 29–34.

By: M. Zhang, M. Hubbe, R. Venditti & J. Heitmann

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

2004 journal article

Refining to overcome effects of drying unbleached Kraft fibers in the presence or absence of sugar

Progress in Paper Recycling, 13(2), 5–12.

By: M. Zhang, M. Hubbe, R. Venditti & J. Heitmann

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

2003 journal article

Dependency of polyelectrolyte complex stoichiometry on the order of addition. 1. Effect of salt concentration during streaming current titrations with strong poly-acid and polybase

Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 223(37624), 215–230.

By: J. Chen, J. Heitmann & M. Hubbe

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

2002 journal article

Can recycled kraft fibres benefit from chemical addition before they are first dried?

Appita Journal, 55(2), 135–144.

By: M. Zhang, M. Hubbe, R. Venditti & J. Heitmann

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

2001 conference paper

Effect of chemical pretreatments of never-dried pulp on the strength of recycled linerboard

In Proceedings, TAPPI Papermakers Conference. TAPPI.

By: M. Zhang, M. Hubbe, R. Venditti & J. Heitmann

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

2001 patent

Method for making dissolving pulp from paper products containing hardwood fibers

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

By: L. Jackson, T. Joyce & J. Heitmann

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

2000 journal article

Conventional kraft pulping using enzyme pretreatment technology: role of diffusivity in enhancing pulp uniformity

Paperi Ja Puu = Paper and Timber, 82(2), 114–119.

By: C. Jacobs-Young, R. Gustafson & J. Heitmann

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

2000 journal article

Influence of lignin and its degradation products on enzymatic hydrolysis of xylan

Journal of Biotechnology, 80(3), 241–247.

By: F. Kaya, J. Heitmann & T. Joyce

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

2000 conference paper

Loss of bonding strength dye to drying and repulping of Kraft fibers: Effects of chemical additives

In Proceedings, International Symposium on Environmentally Friendly and Emerging Technologies for a Sustainable Pulp and Paper Industry, Taipei, Taiwan, April 25-27, 2000. Taipei, Taiwan: Taiwan Forestry Research Institute; Taiwan Technical Association of Pulp and Paper Industry.

By: M. Zhang, M. Hubbe, R. Venditti & J. Heitmann

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

1999 journal article

Adsorption of hemicellulases onto bleached kraft fibers

Journal of Biotechnology, 67(1), 67–75.

By: P. Gerber, J. Heitmann, T. Joyce, J. Buchert & M. Siika-Aho

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

1999 journal article

Effect of dissolved lignin and related compounds on the enzymatic hydrolysis of cellulose model compound

Cellulose Chemistry and Technology, 33(3-4), 203–213.

By: F. Kaya, J. Heitmann & T. Joyce

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

1999 patent

Method of cleaning papermaking felts with enzymes

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

By: J. Heitmann & T. Joyce

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

1997 journal article

Adsorption of a Trichoderma reesei endoglucanase and cellobiohydrolase onto bleached Kraft fibers

Cellulose, 4(4), 255–268.

By: P. Gerber, T. Joyce, J. Heitmann, M. Siika-Aho & J. Buchert

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

1997 journal article

Purification and characterization of xylanases from trichoderma

Bioresource Technology, 61(2), 127–140.

By: P. Gerber, J. Heitmann & T. Joyce

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

1996 patent

Deinking of xerographic printed wastepaper using long chain alcohol

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

By: H. Chang, T. Wu & J. Heitmann

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

chapter

Conventional kraft pulping using enzyme pretreatment technology: Role of chip thickness, specie and enzyme combinations

Jacobs-Young, C. J., Heitmann, J. A., & Venditti, R. A. In Innovative advances in the forest products industries: the 1997 Forest Products Symposium (pp. 1–15). New York: American Institute of Chemical Engineers.

By: C. Jacobs-Young, J. Heitmann & R. Venditti

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

conference paper

Drainage and strength properties of OCC and ONP using enzymes with refining

In 1997 Recycling Symposium: April 14-16, 1997 (pp. 1–11). Chicago, lL; Atlanta, Ga.: TAPPI Press.

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

journal article

Effect of idealised flow conditions on retention aid performance. Part 2, Polymer bridging, charged patches, and charge neutralisation

Tripattharanan, T., Hubbe, M. A., Heitmann, J. A., & Venditti, R. A. Appita Journal, 57(6), 448–454.

By: T. Tripattharanan, M. Hubbe, J. Heitmann & R. Venditti

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

chapter

Freeness improvement of recycled fibers using enzymes with refining

In Enzyme applications in fiber processing (pp. 41–54). Washington, DC: American Chemical Society.

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

journal article

Measurement and impact of charge: A practical guide

Hubbe, M. A., Chen, J., & Heitmann, J. A. Solutions! (Norcross, Ga.), 87(11), 47–49.

By: M. Hubbe, J. Chen & J. Heitmann

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

conference paper

Measurement of colloidal charge in the paper mill by streaming current

Chen, J., Hubbe, M. A., & Heitmann, J. A. In Proceedings, TAPPI Papermakers Conference, 2001. Atlanta, GA: TAPPI Press.

By: J. Chen, M. Hubbe & J. Heitmann

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

journal article

Permeability reduction phenomena in packed beds, fiber mats, and wet webs of paper exposed to flow of liquids and suspensions: A review

Hubbe, M. A., Chen, H., & Heitmann, J. A. BioResources, 4(1), 405–451.

By: M. Hubbe, H. Chen & J. Heitmann

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

chapter

Pulp and paper chemical additives

Hubbe, M. A. In Encyclopedia of forest sciences (p. MS135). Oxford; San Diego: Elsevier.

By: M. Hubbe

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

journal article

Review of factors affecting the release of water from cellulosic fibers during paper manufacture

Hubbe, M. A., & Heitmann, J. A. BioResources, 2(3), 500–533.

By: M. Hubbe & J. Heitmann

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

conference paper

Scanning electron microscopy analysis of fiber free toner agglomeration

Small, J. C., Venditti, R. A., & Heitmann, J. A. In 1997 recycling symposium: Proceedings (pp. 501–505). Chicago: Tappi Press.

By: J. Small, R. Venditti & J. Heitmann

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

chapter

Stickies related research at North Carolina State University

Venditti, R. A., Andrews, E. K., Chang, H.-M., & Heitmann, J. A. In Paper recycling challenge, vol. 1--Stickies (pp. 45–49). Appleton, Wisc.: Doshi & Associates.

By: R. Venditti, E. Andrews, H. Chang & J. Heitmann

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

journal article

The Positive Pulse Jar (PPJ): A flexible device for retention studies

Hubbe, M. A., Tripattharanan, T., Heitmann, J. A., & Venditti, R. A. Paperi Ja Puu = Paper and Timber, 88(1), 39–45.

By: M. Hubbe, T. Tripattharanan, J. Heitmann & R. Venditti

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

journal article

The effect of paper additives on toner agglomeration during the recycling process

Chen, J., Heitmann, J. A., Chang, H.-M., Hubbe, M. A., & Venditti, R. A. Progress in Paper Recycling, 13(14), 16–23.

By: J. Chen, J. Heitmann, H. Chang, M. Hubbe & R. Venditti

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

journal article

Water release from fractionated stock suspensions. Part 1 - Effects of the amounts and types of fiber fines

Cole, C. A., Hubbe, M. A., & Heitmann, J. A. TAPPI Journal, 7(7), 28–32.

By: C. Cole, M. Hubbe & J. Heitmann

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

journal article

Water release from fractionated stock suspensions. Part 2, Effects of consistency, flocculants, shear, and order of mixing

Hubbe, M. A., Heitmann, J. A., & Cole, C. A. TAPPI Journal, 7(8), 14–19.

By: M. Hubbe, J. Heitmann & C. Cole

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