You-Lo Hsieh

You-Lo Hsieh

Position Title
Graduate Program Chair

  • Biological and Agricultural Engineering
227 Everson


  • Master Advisor, Fiber and Polymer Science (B.S.)
  • Advisor, Agricultural and Environmental Chemistry (M.S., Ph.D.)
  • Advisor, Forensic Science (M.S.)


  • Biopolymer nanofibers (cellulose, chitin, chitosan, their derivatives; proteins, enzymes; polyphenolics)
  • Fiber bound enzyme systems
  • Functional polymers and nanomaterials
  • Nanocellulose (cellulose nanocrystals, cellulose nanofibrils, cellulose nanoparticles) and assemblies
  • Organic-Inorganic nano-hybrids and porous carbon fibers
  • Surface and interfacial properties (wetting, transport, adhesion. etc.)


  • Fiber Science and Fiber Analysis Laboratory (FPS 161, FPS 161L)
  • Polymer Syntheses and Reactions (FPS 150)
  • Polymer Chemistry (FPS/EMS 250A)
  • Clothing Material Science (TXC 171), coordinate and team-taught

Scientific and Professional Societies

  • American Chemical Society
  • American Association of Textile Chemists and Colorists
  • The Fiber Society

Representative Publications

Cellulose Nanocrystals/Nanofibrils
  • Hsieh, Y.-L. Cellulose Nanocrystals and Self-Assembled Nanostructures from Cotton, Rice Straw and Grape Skin: A Source Perspective, Journal of Materials Science, 48(22): 7837-7846 (2013).
  • Jiang, F. and Y-L. Hsieh, Chemically and mechanically isolated nanocellulose and their self-assembled structures, Carbohydrate Polymers 95(1): 32-40 (2013).
  • Lu, P. and Y.-L. Hsieh, Preparation and characterization of cellulose nanocrystals from rice straw, Carbohydrate Polymers 87:564-573 (2012).
  • Lu, P. and Y.-L. Hsieh, Cellulose isolation and core-shell nanostructures of cellulose nanocrystals from chardonnay grape skins, Carbohydrate Polymers 87:2546-2553 (2012).
  • Lu, P. and Y.-L. Hsieh, Preparation and properties of cellulose nanocrystals: rods, spheres, and network, Carbohydrate Polymers 82: 329–336 (2010).
  • Lu, P. and Y.-L. Hsieh, Cellulose nanocrystal filled poly(acrylic acid) nanocomposite fibrous membranes, Nanotechnology 20: 415604-415612 (2009).
Biobased Functional Fibers & Nanomaterials
  • Hu, S., Y.-L. Hsieh, Ultrafine microporous and mesoporous activated carbon fibers from alkali lignin, Journal of Materials Chemistry A, 1, 11278-11288 (2013).
  • Shen, W., Y.-L. Hsieh, Biocompatible sodium alginate fibers by aqueous processing and physical crosslinking, Carbohydrate Polymers, In Press.
  • Lu, P. and Y.-L. Hsieh, Highly pure amorphous silica nano-disks from rice straw, Powder Technology, 225:149-155 (2012).
  • Lu, P., Y.-L. Hsieh, Multi-Walled Carbon Nanotube (MWCNT) Reinforced Cellulose Fibers by Electrospinning, ACS Applied Materials & Interfaces, 2(8), 2413-2420 (2010).
Silicon Oxycarbide & CNT-Alumina Nanoibers
  • Lu, P. and Y.-L. Hsieh, Effects of polymer matrices to the formation of silicon carbide (SiC) nanoporous fibers and nanowires under carbothermal reduction, Journal of Materials Chemistry 21: 1005-1012 (2011).
  • Lu, P., Q. Huang, A,K. Mukherjee, Y.-L. Hsieh, SiCO-doped carbon fibers with unique dual superhydrophilicity/superoleophilicity, ductile and capacitance properties, ACS Applied Materials & Interfaces 2(12): 3738-3744 (2010).
  • Lu, P., Q.Huang, B. Liu, Y, Bando, Y.-L. Hsieh, A,K. Mukherjee, Nanaoporous silicon oxycarbide fibers with luffa-like shells and superhydrophobility, Journal of American Chemical Society 131(30): 10346-10347 (2009).
  • Lu, P., Y.-L. Hsieh, Multi-Walled Carbon Nanotube (MWCNT) Reinforced Cellulose Fibers by Electrospinning, ACS Applied Materials & Interfaces 2(8), 2413-2420 (2010).
Nanofiber-Bound Enzymes
  • Lu, P. and Y.-L. Hsieh, Layer-by-layer self assembly of Cibacron Blue F3GA and lipase on ultra-fine cellulose fibrous membrane, Journal of Membrane Science 348(1-2), 21-27 (2009).
  • Lu, P. and Y.-L. Lipase bound cellulose nanofibrous membrane via Cibacron Blue F3GA affinity ligand, Journal of Membrane Science 330(1-2): 288-296 (2009).
  • Li, L. and Y.-L. Hsieh, Lipase immobilization on ultra-fine poly(acrylic acid)/poly(vinyl alcohol) hydrogel fibers, Polymer Biocatalysis and Biomaterials II, 129-143 (2008).
  • Wang, Y. and Y.-L. Hsieh, Immobilization of lipase enzyme in polyvinyl alcohol (PVA) nanofibrous membranes, Journal of Membrane Science 209: 73-81 (2007).
Cellulose-Chitosan Hybrids and Nanofibers
  • Ding, B., J. Du, and Y.-L. Hsieh, Layer-by-layer self-assembled polysaccharide electrolytes on cellulose nanofiber, Journal Applied Polymer Science, 121: 2526-2534 (2011).
  • Du, J. and Y.-L. Hsieh, Cellulose-chitosan hybrid nanofibers from electrospinning of their esterderivatives, Cellulose 16(2): 247-260 (2009).
  • Du, J. and Y.-L. Hsieh, PEGylation of chitosan for improved solubility and fiber formation viaelectrospinning, Cellulose 14:543-552 (2007).
  • Li L. and Y.-L. Hsieh, Chitosan Bicomponent Nanofibers and Nano-porous Fibers, Carbohydrate Research 341(3):374-381 (2006).


Hsieh, Y.-L., M.M. Hartzell-Lawson, M.G. Boston, K.A. Clarkson, K.D. Collier and T.P. Graycar, Enzyme treatment to enhance wettability and absorbency of textiles, U.S. Patent No.6,0066,494 (May 23, 2000); New Zealand Patent 331262 (May 12, 2000); U.S. Patent No.6,436,696 (August 20, 2002); Mexico Patent 211167 (Oct 28, 2002); China Patent 97192783.9 (Jun 25, 2003); France Patent 0885311 (Nov 29, 2006); Germany Patent 0885311 (Nov 29, 2006); United Kingdom Patent 0885311 (Nov 29, 2006).