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High-pressure fast-pyrolysis, fast-hydropyrolysis and catalytic hydrodeoxygenation of cellulose: production of liquid fuel from biomass, Green Chemistry, 2014, Advance Article DOI: 10.1039/C3GC41558A
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03 Jan 2014 | Publications | Contributor(s): Vinod Venkatakrishnan, John C Degenstein, Nick Delgass, Rakesh Agrawal, Fabio H Ribeiro
A lab-scale, high-pressure, continuous-flow fast-hydropyrolysis and vapor-phase catalytic hydrodeoxygenation (HDO) reactor has been successfully designed, built and tested with cellulose as a...
Cis-Golgi Cisternal Assembly and Biosynthetic Activation Occur Sequentially in Plants and Algae
19 Sep 2013 | Publications | Contributor(s): Bryon Donohoe
The cisternal progression/maturation model of Golgi trafficking predicts that cis-Golgi cisternae are formed de novo on the cis-side of the Golgi. Here we describe structural and functional...
Catalytic oxidation of para-substituted phenols with cobalt–Schiff base complexes/O2—selective conversion of syringyl and guaiacyl lignin models to benzoquinones
19 Sep 2013 | Publications | Contributor(s): Diana Cedeno, Joseph J Bozell
Models of guaiacyl (G) and syringyl (S) subunits in lignin have been catalytically oxidized to their corresponding p-quinones in the presence of molecular oxygen. The oxidation of syringyl-like...
Progress in the biological synthesis of the plant cell wall: new ideas for improving biomass for bioenergy
19 Sep 2013 | Publications | Contributor(s): Nicholas C Carpita
Lignocellulosic biomass feedstocks for biofuels are primarily the thickened secondary cells of vascular plants. Recent advances have been made in our basic understanding of how cellulose and the...
Update on Mechanisms of Plant Cell Wall Biosynthesis: How Plants Make Cellulose and Other (1-4)-b-D-Glycans
Carpita, Nicholas C UPDATE ON MECHANISMS OF PLANT CELL WALL BIOSYNTHESIS: HOW PLANTS MAKE CELLULOSE AND OTHER (1→4)-Β-D-GLYCANS, Plant Physiology, 155, 171-184 (2011). [10.1104/pp.110.163360]
Development of a High-Throughput Laser-Induced Acoustic Desorption Probe and Raster Sampling For Laser-Induced Acoustic Desorption/Atmospheric Pressure Chemical Ionization
19 Sep 2013 | Publications | Contributor(s): Dave J Borton, Lucas Mark Amundson, Matt Hurt, Alex R Dow, Jeremy Madden, Garth Simpson, Hilkka Inkeri Kenttamaa
Laser-induced acoustic desorption (LIAD) was recently coupled to atmospheric pressure chemical ionization (APCI) and shown to be of great utility for the analysis of a variety of thermally labile...
Identification and Counting of Oxygen Functionalities and Alkyl Groups of Aromatic Analytes in Mixtures by Positive-Mode Atmospheric Pressure Chemical Ionization Tandem Mass Spectrometry Coupled with High-Performance Liquid Chromatography
19 Sep 2013 | Publications | Contributor(s): Lucas Mark Amundson, Vanessa Gallardo, Nelson R Vinueza, Ben Owen, Jennifer Reece, Hilkka Inkeri Kenttamaa
A tandem mass spectrometric method using a commercial linear quadrupole ion trap (LQIT) mass spectrometer and another LQIT coupled with a Fourier transform ion cyclotron resonance (FT-ICR) mass...
Identification of epoxide functionalities in protonated monofunctional analytes by using ion/molecule reactions and collision-activated dissociation in different ion trap tandem mass spectrometers
13 Sep 2013 | Publications | Contributor(s): Fanny Widjaja, Hilkka Inkeri Kenttamaa
A mass spectrometric method has been delineated for the identification of the epoxide
functionalities in unknown monofunctional analytes. This method utilizes gas-phase ion/
molecule reactions of...
The endoplasmic reticulum is a reservoir for WAVE/SCAR regulatory complex signaling in the Arabidopsis leaf
13 Sep 2013 | Publications | Contributor(s): Chunhua Zhang, Eileen L Mallery, Vitaly P Boyko, Dan Szymanski
During plant cell morphogenesis, signal transduction and cytoskeletal dynamics interact to locally organize the cytoplasm and define the geometry of cell expansion. The WAVE/SCAR (for WASP family...
The effect of hydrochloric acid on the conversion of glucose to 5-hydroxymethylfurfural in AlCl3-H2O/THF biphasic medium
13 Sep 2013 | Publications | Contributor(s): Mahdi Abu-Omar
The effect of hydrochloric acid (HCl) on the conversion of glucose to 5-hydroxymethylfurfural (HMF) in AlCl3–H2O/THF biphasic system was investigated. The route via isomerization to fructose...
ARP2/3-dependent growth in the plant kingdom: SCARs for life
13 Sep 2013 | Publications | Contributor(s): Chunhua Zhang, Dan Szymanski
In the human experience SCARs(suppressor of cAMP receptors)are permanent reminders of past events, not always based on bad decisions, but always those in which an interplay of opposing forces...
Solvent-Free Methods for Making Acetals Derived from Glycerol and Furfural and Their Use as a Biodiesel Fuel Component
13 Sep 2013 | Publications | Contributor(s): Ben Wegenhart, Shuo Liu, David Stanley, Mahdi Abu-Omar
The increased production of biodiesel has resulted in the overproduction of glycerol. Many researchers have begun investigating new uses for glycerol, including its
conversion to fuel additives....
Analysis of carbohydrates by atmospheric pressure chloride anion attachment tandem mass spectrometry
13 Sep 2013 | Publications | Contributor(s): Nelson R Vinueza, Vanessa Gallardo, John Klimek, Nicholas C Carpita, Hilkka Inkeri Kenttamaa
The ability to characterize oligosaccharides directly in complex mixtures would greatly benefit many research efforts focused on the development of biofuels from lignocellulosic biomass. We report...
Cleavage and hydrodeoxygenation (HDO) of C-O bonds relevant to lignin conversion using Pd/Zn synergistic catalysis
13 Sep 2013 | Publications | Contributor(s): Trenton Parsell, Ben Owen, Ian M Klein, Tiffany Mae Jarrell, Christopher Louis Marcum, Laura Jane Haupert, Lucas Mark Amundson, Hilkka Inkeri Kenttamaa, Fabio H Ribeiro, Mahdi Abu-Omar
The development of chemical methods for the direct catalytic conversion of biomass to high value organic molecules is an area of increasing interest. The plant matter component known as lignin is...
High performance liquid chromatography/high-resolution multiple stage tandem mass spectrometry using negative-ion mode hydroxide-doped electrospray ionization for the characterization of lignin degradation products
13 Sep 2013 | Publications | Contributor(s): Ben Owen, Laura Jane Haupert, Tiffany Mae Jarrell, Christopher Louis Marcum, Trenton Parsell, Mahdi Abu-Omar, Joseph J Bozell, Hilkka Inkeri Kenttamaa
In the search for a replacement for fossil fuel and the valuable chemicals currently obtained from crude oil, lignocellulosic biomass has become a promising candidate as an alternative...
Selective Imaging of APIs in Powdered Blends with Common Excipients Utilizing TPE-UVF and UV-SONICC
13 Sep 2013 | Publications | Contributor(s): Jeremy Madden, Garth Simpson
Second order nonlinear optical imaging of chiral crystals (SONICC) and two-photon excited fluorescence measurements [both autofluorescence and two-photon excited UV-fluorescence (TPE-UVF)] were...
Mechanism of MTO-catalyzed deoxydehydration (DODH) of diols to alkenes using sacrificial alcohols
13 Sep 2013 | Publications | Contributor(s): Shuo Liu, Linan Yang, Ben Wegenhart, Hilkka Inkeri Kenttamaa, Mahdi Abu-Omar
Catalytic deoxydehydration (DODH) of vicinal diols is carried out employing methyltrioxorhenium (MTO) as the catalyst and a sacrificial alcohol as the reducing agent. The reaction kinetics feature...
Selective conversion of biomass hemicellulose to furfural using maleic acid with microwave heating
13 Sep 2013 | Publications | Contributor(s): Eurick S. Kim, Shuo Liu, Mahdi Abu-Omar, Nathan Mosier
Maleic acid has interesting properties versus other organic and mineral acids in furfural formation. The use of maleic acid as a catalyst in biomass conversion has the benefit in comparison to the...
The Plant Actin Cytoskeleton Responds to Signals from Microbe-Associated Molecular Patterns
13 Sep 2013 | Publications | Contributor(s): Jessica Lynn Henty, Chris Staiger
Plants are constantly exposed to a large and diverse array of microbes; however, most plants are immune to the majority of potential invaders and susceptible to only a small subset of pathogens....
Characterization of model compounds of processed lignin and the lignome by using atmospheric pressure ionization tandem mass spectrometry
13 Sep 2013 | Publications | Contributor(s): Laura Jane Haupert, Ben Owen, Christopher Louis Marcum, Tiffany Mae Jarrell, Lucas Mark Amundson, Padmaja Narra, Sabir Aqueel, Trenton Parsell, Mahdi Abu-Omar, Hilkka Inkeri Kenttamaa
In the search for alternatives to fossil fuel and the valuable chemicals now derived from crude oil, lignocellulosic biomass has attracted wide interest. Degradation of the cellulose and lignin...
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