Search Results - "Colvin, T."

Atomic Resolution Structure of Monomorphic Aβ42 Amyloid Fibrils by Colvin, Michael T, Silvers, Robert, Ni, Qing Zhe, Can, Thach V, Sergeyev, Ivan, Rosay, Melanie, Donovan, Kevin J, Michael, Brian, Wall, Joseph, Linse, Sara, Griffin, Robert G

“…Amyloid-β (Aβ) is a 39–42 residue protein produced by the cleavage of the amyloid precursor protein (APP), which subsequently aggregates to form cross-β…”
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High Resolution Structural Characterization of Aβ42 Amyloid Fibrils by Magic Angle Spinning NMR by Colvin, Michael T, Silvers, Robert, Frohm, Birgitta, Su, Yongchao, Linse, Sara, Griffin, Robert G

“…The presence of amyloid plaques composed of amyloid beta (Aβ) fibrils is a hallmark of Alzheimer’s disease (AD). The Aβ peptide is present as several length…”
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Effects of disturbance on macrofaunal biodiversity‐ecosystem functioning relationships in seagrass habitats by Colvin, T. J., Snelgrove, P. V. R.

“…Seagrass beds support diverse macrofaunal communities, and collectively they influence carbon and nutrient cycles; however, we know little on how seagrass…”
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Controlling Electron Transfer in Donor−Bridge−Acceptor Molecules Using Cross-Conjugated Bridges by Ricks, Annie Butler, Solomon, Gemma C, Colvin, Michael T, Scott, Amy M, Chen, Kun, Ratner, Mark A, Wasielewski, Michael R

“…Photoinitiated charge separation (CS) and recombination (CR) in a series of donor−bridge−acceptor (D−B−A) molecules with cross-conjugated, linearly conjugated,…”
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Mechanically Stabilized Tetrathiafulvalene Radical Dimers by Coskun, Ali, Spruell, Jason M, Barin, Gokhan, Fahrenbach, Albert C, Forgan, Ross S, Colvin, Michael T, Carmieli, Raanan, Benítez, Diego, Tkatchouk, Ekaterina, Friedman, Douglas C, Sarjeant, Amy A, Wasielewski, Michael R, Goddard, William A, Stoddart, J. Fraser

“…Two donor−acceptor [3]catenanescomposed of a tetracationic molecular square, cyclobis(paraquat-4,4′-biphenylene), as the π-electron deficient ring and either…”
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Ultrafast Intersystem Crossing and Spin Dynamics of Photoexcited Perylene-3,4:9,10-bis(dicarboximide) Covalently Linked to a Nitroxide Radical at Fixed Distances by Giacobbe, Emilie M, Mi, Qixi, Colvin, Michael T, Cohen, Boiko, Ramanan, Charusheela, Scott, Amy M, Yeganeh, Sina, Marks, Tobin J, Ratner, Mark A, Wasielewski, Michael R

“…Time-resolved transient optical absorption and EPR (TREPR) spectroscopies are used to probe the interaction of the lowest excited singlet state of…”
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Electron Spin Polarization Transfer from Photogenerated Spin-Correlated Radical Pairs to a Stable Radical Observer Spin by Colvin, Michael T, Carmieli, Raanan, Miura, Tomoaki, Richert, Sabine, Gardner, Daniel M, Smeigh, Amanda L, Dyar, Scott M, Conron, Sarah M, Ratner, Mark A, Wasielewski, Michael R

“…A series of donor–chromophore–acceptor–stable radical (D–C–A–R•) molecules having well-defined molecular structures were synthesized to study the factors…”
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Magnetic Field-Induced Switching of the Radical-Pair Intersystem Crossing Mechanism in a Donor−Bridge−Acceptor Molecule for Artificial Photosynthesis by Colvin, Michael T, Ricks, Annie Butler, Scott, Amy M, Smeigh, Amanda L, Carmieli, Raanan, Miura, Tomoaki, Wasielewski, Michael R

“…A covalent, fixed-distance donor−bridge−acceptor (D−B−A) molecule was synthesized that upon photoexcitation undergoes ultrafast charge separation to yield a…”
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Competitive Electron Transfer and Enhanced Intersystem Crossing in Photoexcited Covalent TEMPO−Perylene-3,4:9,10-bis(dicarboximide) Dyads: Unusual Spin Polarization Resulting from the Radical−Triplet Interaction by Colvin, Michael T, Giacobbe, Emilie M, Cohen, Boiko, Miura, Tomoaki, Scott, Amy M, Wasielewski, Michael R

“…A stable 2,2,6,6-tetramethyl-1-piperidinyloxyl (TEMPO) radical was covalently attached at its 4-position to the imide nitrogen atom of a…”
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Spin-Selective Charge Transport Pathways through p-Oligophenylene-Linked Donor−Bridge−Acceptor Molecules by Scott, Amy M, Miura, Tomoaki, Ricks, Annie Butler, Dance, Zachary E. X, Giacobbe, Emilie M, Colvin, Michael T, Wasielewski, Michael R

“…A series of donor−bridge−acceptor (D-B-A) triads have been synthesized in which the donor, 3,5-dimethyl-4-(9-anthracenyl)julolidine (DMJ-An), and the acceptor,…”
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Structure and reactivity of [(L·Pd)n·(1,5-cyclooctadiene)] (n=1–2) complexes bearing biaryl phosphine ligands by Lee, Hong Geun, Milner, Phillip J., Colvin, Michael T., Andreas, Loren, Buchwald, Stephen L.

“…The graphical abstract shows the reactivity modes of the [L·Pd(1,5-COD)] species studied in this work. They can react with CDCl3 or aryl halides to produce…”
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Nitrate Loss in Subsurface Drainage as Affected by Nitrogen Fertilizer Rate by Jaynes, D.B., Colvin, T.S., Karlen, D.L., Cambardella, C.A., Meek, D.W.

“…ABSTRACT The relationships between N fertilizer rate, yield, and NO3 leaching need to be quantified to develop soil and crop management practices that are…”
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Tetrathiafulvalene Hetero Radical Cation Dimerization in a Redox-Active [2]Catenane by Wang, Cheng, Dyar, Scott M, Cao, Dennis, Fahrenbach, Albert C, Horwitz, Noah, Colvin, Michael T, Carmieli, Raanan, Stern, Charlotte L, Dey, Sanjeev K, Wasielewski, Michael R, Stoddart, J. Fraser

“…The electronic properties of tetrathiafulvalene (TTF) can be tuned by attaching electron-donating or electron-withdrawing substituents. An electron-rich…”
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17O MAS NMR Correlation Spectroscopy at High Magnetic Fields by Keeler, Eric G, Michaelis, Vladimir K, Colvin, Michael T, Hung, Ivan, Gor’kov, Peter L, Cross, Timothy A, Gan, Zhehong, Griffin, Robert G

“…The structure of two protected amino acids, FMOC-l-leucine and FMOC-l-valine, and a dipeptide, N-acetyl-l-valyl-l-leucine (N-Ac-VL), were studied via one- and…”
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Corn Yield and Nitrate Loss in Subsurface Drainage from Midseason Nitrogen Fertilizer Application by Jaynes, D.B, Colvin, T.S

“…Whether in response to remotely sensed plant N status or as a rescue treatment when previously applied N has been lost to denitrification or leaching, there is…”
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A Multistate Switchable [3]Rotacatenane by Barin, Gokhan, Coskun, Ali, Friedman, Douglas C., Olson, Mark A., Colvin, Michael T., Carmielli, Raanan, Dey, Sanjeev K., Bozdemir, O. Altan, Wasielewski, Michael R., Stoddart, J. Fraser

“…Rotacatenanes are exotic molecular compounds that can be visualized as a unique combination of a [2]catenane and a [2]rotaxane, thereby combining both the…”
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Comparing Spin-Selective Charge Transport through Donor-Bridge-Acceptor Molecules with Different Oligomeric Aromatic Bridges by Scott, Amy M, Butler Ricks, Annie, Colvin, Michael T, Wasielewski, Michael R

“…Burning bridges: The exponential distance dependence (β value) of singlet and triplet charge recombination (CR) pathways is determined for three…”
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Cluster Analysis of Spatiotemporal Corn Yield Patterns in an Iowa Field by Jaynes, D.B, Kaspar, T.C, Colvin, T.S, James, D.E

“…Crop yields are frequently heterogeneous across space and time. We performed this study to determine if cluster analysis could be used to decipher the temporal…”
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Relationship of corn and soybean yield to soil and terrain properties by Kaspar, T.C, Pulido, D.J, Fenton, T.E, Colvin, T.S, Karlen, D.L, Jaynes, D.B, Meek, D.W

“…Farmers will be better able to implement site-specific management practices when they understand the causes of spatial and temporal variability of corn (Zea…”
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Using the late spring nitrate test to reduce nitrate loss within a watershed by Jaynes, D.B, Dinnes, D.L, Meek, D.W, Karlen, D.L, Cambardella, C.A, Colvin, T.S

“…Excessive nitrate leaching from the U.S. Corn Belt has created serious water quality problems and contributed to the expansion of the hypoxic zone in the Gulf…”
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