Search Results - "Uppugundla, Nirmal"

Restructuring the Crystalline Cellulose Hydrogen Bond Network Enhances Its Depolymerization Rate by Chundawat, Shishir P. S, Bellesia, Giovanni, Uppugundla, Nirmal, da Costa Sousa, Leonardo, Gao, Dahai, Cheh, Albert M, Agarwal, Umesh P, Bianchetti, Christopher M, Phillips, George N, Langan, Paul, Balan, Venkatesh, Gnanakaran, S, Dale, Bruce E

“…Conversion of lignocellulose to biofuels is partly inefficient due to the deleterious impact of cellulose crystallinity on enzymatic saccharification. We…”
Get full text

Novel thermostable endo-xylanase cloned and expressed from bacterium Geobacillus sp. WSUCF1 by Bhalla, Aditya, Bischoff, Kenneth M., Uppugundla, Nirmal, Balan, Venkatesh, Sani, Rajesh K.

“…•A gene encoding a GH10 endo-xylanase from Geobacillus sp. WSUCF1 was cloned and overexpressed.•Endo-xylanase exhibited high specific activity, activity at…”
Get full text

Engineering and two-stage evolution of a lignocellulosic hydrolysate-tolerant Saccharomyces cerevisiae strain for anaerobic fermentation of xylose from AFEX pretreated corn stover by Parreiras, Lucas S, Breuer, Rebecca J, Avanasi Narasimhan, Ragothaman, Higbee, Alan J, La Reau, Alex, Tremaine, Mary, Qin, Li, Willis, Laura B, Bice, Benjamin D, Bonfert, Brandi L, Pinhancos, Rebeca C, Balloon, Allison J, Uppugundla, Nirmal, Liu, Tongjun, Li, Chenlin, Tanjore, Deepti, Ong, Irene M, Li, Haibo, Pohlmann, Edward L, Serate, Jose, Withers, Sydnor T, Simmons, Blake A, Hodge, David B, Westphall, Michael S, Coon, Joshua J, Dale, Bruce E, Balan, Venkatesh, Keating, David H, Zhang, Yaoping, Landick, Robert, Gasch, Audrey P, Sato, Trey K

“…The inability of the yeast Saccharomyces cerevisiae to ferment xylose effectively under anaerobic conditions is a major barrier to economical production of…”
Get full text

Binding characteristics of Trichoderma reesei cellulases on untreated, ammonia fiber expansion (AFEX), and dilute-acid pretreated lignocellulosic biomass by Gao, Dahai, Chundawat, Shishir P.S., Uppugundla, Nirmal, Balan, Venkatesh, Dale, Bruce E.

“…Studying the binding properties of cellulases to lignocellulosic substrates is critical to achieving a fundamental understanding of plant cell wall…”
Get full text

Proteomics-based Compositional Analysis of Complex Cellulase–Hemicellulase Mixtures by Chundawat, Shishir P. S, Lipton, Mary S, Purvine, Samuel O, Uppugundla, Nirmal, Gao, Dahai, Balan, Venkatesh, Dale, Bruce E

“…Efficient deconstruction of cellulosic biomass to fermentable sugars for fuel and chemical production is accomplished by a complex mixture of cellulases,…”
Get full text

Probing the nature of AFEX-pretreated corn stover derived decomposition products that inhibit cellulase activity by Humpula, James F., Uppugundla, Nirmal, Vismeh, Ramin, Sousa, Leonardo, Chundawat, Shishir P.S., Jones, A. Daniel, Balan, Venkatesh, Dale, Bruce E., Cheh, Albert M.

“…•Cellulase inhibitors in AFEX-treated corn stover include lignin, Maillard products.•Fractionation by centrifugation, filtration, and solid phase extraction…”
Get full text

Effect of storage conditions on the stability and fermentability of enzymatic lignocellulosic hydrolysate by Jin, Mingjie, Bothfeld, William, Austin, Samantha, Sato, Trey K., La Reau, Alex, Li, Haibo, Foston, Marcus, Gunawan, Christa, LeDuc, Richard D., Quensen, John F., Mcgee, Mick, Uppugundla, Nirmal, Higbee, Alan, Ranatunga, Ruwan, Donald, Charles W., Bone, Gwen, Ragauskas, Arthur J., Tiedje, James M., Noguera, Daniel R., Dale, Bruce E., Zhang, Yaoping, Balan, Venkatesh

“…•AFEX hydrolysate storage temperature, pH and time were investigated.•Hydrolysate composition and fermentability before and after storage were…”
Get full text

Switchgrass Water Extracts: Extraction, Separation and Biological Activity of Rutin and Quercitrin by Uppugundla, Nirmal, Engelberth, Abigail, Vandhana Ravindranath, Sathya, Clausen, Edgar C, Lay, Jackson O, Gidden, Jennifer, Carrier, Danielle Julie

“…Switchgrass (Panicum virgatum L.) has recently received significant attention as a possible feedstock for the production of liquid fuels such as ethanol. In…”
Get full text

comparative study of ethanol production using dilute acid, ionic liquid and AFEX™ pretreated corn stover by Uppugundla, Nirmal, da Costa Sousa, Leonardo, Chundawat, Shishir PS, Yu, Xiurong, Simmons, Blake, Singh, Seema, Gao, Xiadi, Kumar, Rajeev, Wyman, Charles E, Dale, Bruce E, Balan, Venkatesh

“…BACKGROUND: In a biorefinery producing cellulosic biofuels, biomass pretreatment will significantly influence the efficacy of enzymatic hydrolysis and…”
Get full text

Shotgun Approach to Increasing Enzymatic Saccharification Yields of Ammonia Fiber Expansion Pretreated Cellulosic Biomass by Chundawat, Shishir P. S., Uppugundla, Nirmal, Gao, Dahai, Curran, Paul G., Balan, Venkatesh, Dale, Bruce E.

“…Most cellulolytic enzyme blends, either procured from a commercial vendor or isolated from a single cellulolytic microbial secretome, do not efficiently…”
Get full text

Hemicellulases and auxiliary enzymes for improved conversion of lignocellulosic biomass to monosaccharides by Gao, Dahai, Uppugundla, Nirmal, Chundawat, Shishir PS, Yu, Xiurong, Hermanson, Spencer, Gowda, Krishne, Brumm, Phillip, Mead, David, Balan, Venkatesh, Dale, Bruce E

“…BACKGROUND: High enzyme loading is a major economic bottleneck for the commercial processing of pretreated lignocellulosic biomass to produce fermentable…”
Get full text

Techno-economic comparison of centralized versus decentralized biorefineries for two alkaline pretreatment processes by Stoklosa, Ryan J., del Pilar Orjuela, Andrea, da Costa Sousa, Leonardo, Uppugundla, Nirmal, Williams, Daniel L., Dale, Bruce E., Hodge, David B., Balan, Venkatesh

“…•A techno-economic analysis (TEA) compared two biorefinery processing scenarios.•Decentralized biorefineries employing AFEX require the highest capital cost.•A…”
Get full text

Techno-economic comparison of centralized versus decentralized biorefineries for two alkaline pretreatment processes by Stoklosa, Ryan J., del Pilar Orjuela, Andrea, da Costa Sousa, Leonardo, Uppugundla, Nirmal, Williams, Daniel L., Dale, Bruce E., Hodge, David B., Balan, Venkatesh

“…Not provided…”
Get full text

Sugar loss and enzyme inhibition due to oligosaccharide accumulation during high solids-loading enzymatic hydrolysis by Xue, Saisi, Uppugundla, Nirmal, Bowman, Michael J, Cavalier, David, Da Costa Sousa, Leonardo, E Dale, Bruce, Balan, Venkatesh

“…Accumulation of recalcitrant oligosaccharides during high-solids loading enzymatic hydrolysis of cellulosic biomass reduces biofuel yields and increases…”
Get full text

Policosanol, α-Tocopherol, and Moisture Content as a Function of Timing of Harvest of Switchgrass (Panicum virgatum L.) by Ravindranath, Sathya Vandhana, Uppugundla, Nirmal, Lay, Jackson O, Clausen, Edgar C, Wilkins, Mark, Ingraham, Robert G, West, Charles, Wu, Yanqi, Carrier, Danielle Julie

“…Using switchgrass (Panicum virgatum L.) as a cellulosic feedstock for the production of ethanol could lead to the extraction of co-products prior to the…”
Get full text

Extraction of phytochemicals from switchgrass using hot water by Uppugundla, Nirmal

“…Switchgrass (Panicum virgatum L.) is receiving significant attention as a feedstock for the production of liquid fuels such as ethanol. In addition,…”
Get full text

Evolved strains of Scheffersomyces stipitis achieving high ethanol productivity on acid- and base-pretreated biomass hydrolyzate at high solids loading by Slininger, Patricia J, Shea-Andersh, Maureen A, Thompson, Stephanie R, Dien, Bruce S, Kurtzman, Cletus P, Balan, Venkatesh, da Costa Sousa, Leonardo, Uppugundla, Nirmal, Dale, Bruce E, Cotta, Michael A

“…BACKGROUND: Lignocellulosic biomass is an abundant, renewable feedstock useful for the production of fuel-grade ethanol via the processing steps of…”
Get full text

Extraction of phytochemicals from switchgrass using hot water by Uppugundla, Nirmal

“…Switchgrass (Panicum virgatum L.) is receiving significant attention as a feedstock for the production of liquid fuels such as ethanol. In addition,…”
Get full text

Sugar loss and enzyme inhibition due to oligosaccharide accumulation during high solids-loading enzymatic hydrolysis by Xue, Saisi, Uppugundla, Nirmal, Bowman, Michael J., Cavalier, David, Da Costa Sousa, Leonardo, E Dale, Bruce, Balan, Venkatesh

“…Accumulation of recalcitrant oligosaccharides during high-solids loading enzymatic hydrolysis of cellulosic biomass reduces biofuel yields and increases…”
Get full text