Search Results - "Karlen, Steven D"

Electrochemical Aminoxyl-Mediated Oxidation of Primary Alcohols in Lignin to Carboxylic Acids: Polymer Modification and Depolymerization by Rafiee, Mohammad, Alherech, Manar, Karlen, Steven D, Stahl, Shannon S

“…An electrochemical process has been developed for chemoselective oxidation of primary alcohols in lignin to the corresponding carboxylic acids. The…”
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Short-term facilitation of microbial litter decomposition by ultraviolet radiation by Lin, Yang, Karlen, Steven D., Ralph, John, King, Jennifer Y.

“…Solar radiation plays an important role in carbon cycling by increasing the decomposition rates of plant litter and soil organic matter (i.e…”
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Tricin‐lignins: occurrence and quantitation of tricin in relation to phylogeny by Lan, Wu, Rencoret, Jorge, Lu, Fachuang, Karlen, Steven D., Smith, Bronwen G., Harris, Philip J., Río, José Carlos, Ralph, John

“…Summary Tricin [5,7‐dihydroxy‐2‐(4‐hydroxy‐3,5‐dimethoxyphenyl)‐4H‐chromen‐4‐one], a flavone, was recently established as an authentic monomer in grass…”
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Reductive Cleavage Method for Quantitation of Monolignols and Low‐Abundance Monolignol Conjugates by Regner, Matt, Bartuce, Allison, Padmakshan, Dharshana, Ralph, John, Karlen, Steven D.

“…As interest in biomass utilization has grown, the manipulation of lignin biosynthesis has received significant attention, such that recent work has demanded…”
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Singlet Exciton Fission in Polycrystalline Thin Films of a Slip-Stacked Perylenediimide by Eaton, Samuel W, Shoer, Leah E, Karlen, Steven D, Dyar, Scott M, Margulies, Eric A, Veldkamp, Brad S, Ramanan, Charusheela, Hartzler, Daniel A, Savikhin, Sergei, Marks, Tobin J, Wasielewski, Michael R

“…The crystal structure of N,N-bis(n-octyl)-2,5,8,11-tetraphenylperylene-3,4:9,10-bis(dicarboximide), 1, obtained by X-ray diffraction reveals that 1 has a…”
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Downregulation of p‐COUMAROYL ESTER 3‐HYDROXYLASE in rice leads to altered cell wall structures and improves biomass saccharification by Takeda, Yuri, Tobimatsu, Yuki, Karlen, Steven D., Koshiba, Taichi, Suzuki, Shiro, Yamamura, Masaomi, Murakami, Shinya, Mukai, Mai, Hattori, Takefumi, Osakabe, Keishi, Ralph, John, Sakamoto, Masahiro, Umezawa, Toshiaki

“…Summary p‐Coumaroyl ester 3‐hydroxylase (C3′H) is a key enzyme involved in the biosynthesis of lignin, a phenylpropanoid polymer that is the major constituent…”
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Eukaryotic Acquisition of a Bacterial Operon by Kominek, Jacek, Doering, Drew T., Opulente, Dana A., Shen, Xing-Xing, Zhou, Xiaofan, DeVirgilio, Jeremy, Hulfachor, Amanda B., Groenewald, Marizeth, Mcgee, Mcsean A., Karlen, Steven D., Kurtzman, Cletus P., Rokas, Antonis, Hittinger, Chris Todd

“…Operons are a hallmark of bacterial genomes, where they allow concerted expression of functionally related genes as single polycistronic transcripts. They are…”
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p‐Coumaroyl‐CoA:monolignol transferase (PMT) acts specifically in the lignin biosynthetic pathway in Brachypodium distachyon by Petrik, Deborah L, Karlen, Steven D, Cass, Cynthia L, Padmakshan, Dharshana, Lu, Fachuang, Liu, Sarah, Bris, Philippe, Antelme, Sébastien, Santoro, Nicholas, Wilkerson, Curtis G, Sibout, Richard, Lapierre, Catherine, Ralph, John, Sedbrook, John C

“…Grass lignins contain substantial amounts of p‐coumarate (pCA) that acylate the side‐chains of the phenylpropanoid polymer backbone. An acyltransferase, named…”
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Identification and characterization of a set of monocot BAHD monolignol transferases by Smith, Rebecca A, Beebe, Emily T, Bingman, Craig A, Vander Meulen, Kirk, Eugene, Alexis, Steiner, Alexander J, Karlen, Steven D, Ralph, John, Fox, Brian G

“…Plant BAHD acyltransferases perform a wide range of enzymatic tasks in primary and secondary metabolism. Acyl-CoA monolignol transferases, which couple a CoA…”
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Magnetic Field Sensing Beyond the Standard Quantum Limit Using 10-Spin NOON States by Jones, Jonathan A, Karlen, Steven D, Fitzsimons, Joseph, Ardavan, Arzhang, Benjamin, Simon C, Briggs, G. Andrew D, Morton, John J.L

“…Quantum entangled states can be very delicate and easily perturbed by their external environment. This sensitivity can be harnessed in measurement technology…”
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Assessing the Viability of Recovery of Hydroxycinnamic Acids from Lignocellulosic Biorefinery Alkaline Pretreatment Waste Streams by Karlen, Steven D., Fasahati, Peyman, Mazaheri, Mona, Serate, Jose, Smith, Rebecca A., Sirobhushanam, Sirisha, Chen, Mingjie, Tymokhin, Vitaliy I., Cass, Cynthia L., Liu, Sarah, Padmakshan, Dharshana, Xie, Dan, Zhang, Yaoping, McGee, Mick A., Russell, Jason D., Coon, Joshua J., Kaeppler, Heidi F., Leon, Natalia, Maravelias, Christos T., Runge, Troy M., Kaeppler, Shawn M., Sedbrook, John C., Ralph, John

“…The hydroxycinnamic acids p‐coumaric acid (pCA) and ferulic acid (FA) add diversity to the portfolio of products produced by using grass‐fed lignocellulosic…”
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Defining the Diverse Cell Populations Contributing to Lignification in Arabidopsis Stems by Smith, Rebecca A., Schuetz, Mathias, Karlen, Steven D., Bird, David, Tokunaga, Naohito, Sato, Yasushi, Mansfield, Shawn D., Ralph, John, Samuels, A. Lacey

“…Many land plants evolved tall and sturdy growth habits due to specialized cells with thick lignified cell walls: tracheary elements that function in water…”
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A bacterial biosynthetic pathway for methylated furan fatty acids by Lemke, Rachelle A.S., Olson, Stephanie M., Morse, Kaitlin, Karlen, Steven D., Higbee, Alan, Beebe, Emily T., Ralph, John, Coon, Joshua J., Fox, Brian G., Donohue, Timothy J.

“…Fatty acids play many important roles in cells and also in industrial processes. Furan fatty acids (FuFAs) are present in the lipids of some plant, fish, and…”
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Highly Decorated Lignins in Leaf Tissues of the Canary Island Date Palm Phoenix canariensis by Karlen, Steven D., Smith, Rebecca A., Kim, Hoon, Padmakshan, Dharshana, Bartuce, Allison, Mobley, Justin K., Free, Heather C. A., Smith, Bronwen G., Harris, Philip J., Ralph, John

“…The cell walls of leaf base tissues of the Canary Island date palm (Phoenix canariensis) contain lignins with the most complex compositions described to date…”
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Naturally p-Hydroxybenzoylated Lignins in Palms by Lu, Fachuang, Karlen, Steven D, Regner, Matt, Kim, Hoon, Ralph, Sally A, Sun, Run-Cang, Kuroda, Ken-ichi, Augustin, Mary Ann, Mawson, Raymond, Sabarez, Henry, Singh, Tanoj, Jimenez-Monteon, Gerardo, Zakaria, Sarani, Hill, Stefan, Harris, Philip J, Boerjan, Wout, Wilkerson, Curtis G, Mansfield, Shawn D, Ralph, John

“…The industrial production of palm oil concurrently generates a substantial amount of empty fruit bunch (EFB) fibers that could be used as a feedstock in a…”
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Symmetry and dynamics of molecular rotors in amphidynamic molecular crystals by Karlen, Steven D., Reyes, Horacio, Taylor, R. E., Khan, Saeed I., Hawthorne, M. Frederick, Garcia-Garibay, Miguel A.

“…Rotary biomolecular machines rely on highly symmetric supramolecular structures with rotating units that operate within a densely packed frame of reference,…”
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Variation in energy sorghum hybrid TX08001 biomass composition and lignin chemistry during development under irrigated and non-irrigated field conditions by McKinley, Brian A, Olson, Sara N, Ritter, Kimberley B, Herb, Dustin W, Karlen, Steven D, Lu, Fachuang, Ralph, John, Rooney, William L, Mullet, John E

“…This study was conducted to document the extent and basis of compositional variation of shoot biomass of the energy Sorghum bicolor hybrid TX08001 during…”
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Overexpression of a Sugarcane BAHD Acyltransferase Alters Hydroxycinnamate Content in Maize Cell Wall by Fanelli, Amanda, Rancour, David M, Sullivan, Michael, Karlen, Steven D, Ralph, John, Riaño-Pachón, Diego Mauricio, Vicentini, Renato, Silva, Tatiane da Franca, Ferraz, André, Hatfield, Ronald D, Romanel, Elisson

“…The purification of hydroxycinnamic acids [ -coumaric acid ( CA) and ferulic acid (FA)] from grass cell walls requires high-cost processes. Feedstocks with…”
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Ultrafast entangling gates between nuclear spins using photoexcited triplet states by Filidou, Vasileia, Simmons, Stephanie, Karlen, Steven D., Giustino, Feliciano, Anderson, Harry L., Morton, John J. L.

“…Nuclear spin is seen as a robust qubit. Electrons can be used to ‘read’ to the nuclear state, but their presence causes decoherence. Researchers now show that…”
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Exponential Distance Dependence of Photoinitiated Stepwise Electron Transfer in Donor–Bridge–Acceptor Molecules: Implications for Wirelike Behavior by Ricks, Annie Butler, Brown, Kristen E, Wenninger, Matthias, Karlen, Steven D, Berlin, Yuri A, Co, Dick T, Wasielewski, Michael R

“…Donor–bridge–acceptor (D–B–A) systems in which a 3,5-dimethyl-4-(9-anthracenyl)julolidine (DMJ-An) chromophore and a naphthalene-1,8:4,5-bis(dicarboximide)…”
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