Search Results - "Ramm, Michael"

Energy transport in trapped ion chains by Ramm, Michael, Pruttivarasin, Thaned, Häffner, Hartmut

“…We experimentally study energy transport in chains of trapped ions. We use a pulsed excitation scheme to rapidly add energy to the local motional mode of one…”
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Trapped ions in optical lattices for probing oscillator chain models by Pruttivarasin, Thaned, Ramm, Michael, Talukdar, Ishan, Kreuter, Axel, Häffner, Hartmut

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Rapid Hydrolysis of Quorum-Sensing Molecules in the Gut of Lepidopteran Larvae by Funke, Matthias, Büchler, Rita, Mahobia, Vertica, Schneeberg, Alexander, Ramm, Michael, Boland, Wilhelm

“…Microorganisms compete for nutrients and living space in the gut of plant-feeding insect larvae, such as Spodoptera spp. Their physiological activities and…”
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Naturstoffe aus der Vergangenheit by Klapper, Martin, Ramm, Michael, Stallforth, Pierre

“…Low molecular weight compounds biosynthesized by microorganisms, commonly known as natural products, are indispensable in modern medicine. They serve as the…”
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Intramolecular Electron Transfer between Doubly Four σ-Bond-Linked Tetraalkylhydrazine Cationic and Neutral Units by Nelsen, Stephen F, Ramm, Michael T, Wolff, J. Jens, Powell, Douglas R

“…Rate constants k ESR for intramolecular electron transfer between the reduced and oxidized hydrazine units of dimeric…”
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Precision Measurement Method for Branching Fractions of Excited P 1 / 2 States Applied to Ca + 40 by Ramm, Michael, Pruttivarasin, Thaned, Kokish, Mark, Talukdar, Ishan, Häffner, Hartmut

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Naturstoffe aus der Vergangenheit by Klapper, Martin, Ramm, Michael, Stallforth, Pierre

“…Low molecular weight compounds biosynthesized by microorganisms, commonly known as natural products, are indispensable in modern medicine. They serve as the…”
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Extended Near-Infrared Resonance Raman Investigations of an Organic Mixed-Valence System:  Diazatetracyclodiene Radical Cation by Williams, Robert D, Hupp, Joseph T, Ramm, Michael T, Nelsen, Stephen F

“…Resonance Raman scattering studies in the extended near-infrared region show that six modes are coupled to the intramolecular charge-transfer transition in the…”
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Observing a quantum phase transition by measuring a single spin by Gessner, Manuel, Ramm, Michael, Häffner, Hartmut, Buchleitner, Andreas, Breuer, Heinz-Peter

“…We show that the ground-state quantum correlations of an Ising model can be detected by monitoring the time evolution of a single spin alone, and that the…”
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Genomic analysis of the endosymbiotic bacterium Candidatus Erwinia dacicola provides insights for the management of the olive pest Bactrocera oleae by Koumandou, Vassiliki Lila, Papageorgiou, Louis, Picasi, Eleni, Mantzouni, Dimitra, Raftopoulou, Sofia, Ramm, Michael, Papathanassopoulou, Aegli, Hagidimitriou, Marianna, Cosmidis, Nikos, Vlachakis, Dimitrios

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Precision Measurement Method for Branching Fractions of Excited P1/2 States Applied to 40Ca+ by Ramm, Michael, Pruttivarasin, Thaned, Kokish, Mark, Talukdar, Ishan, Häffner, Hartmut

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Estimation of Self-Exchange Electron Transfer Rate Constants for Organic Compounds from Stopped-Flow Studies by Nelsen, Stephen F, Ramm, Michael T, Ismagilov, Rustem F, Nagy, Mark A, Trieber, Dwight A, Powell, Douglas R, Chen, Xi, Gengler, Jamie J, Qu, Qinling, Brandt, Jennifer L, Pladziewicz, Jack R

“…Second-order rate constants k 12(obsd) measured at 25 °C in acetonitrile by stopped-flow for 47 electron transfer (ET) reactions among ten…”
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Structural Information from Hydrazine Radical Cation Optical Absorption Spectra by Nelsen, Stephen F, Tran, Hieu Q, Ismagilov, Rustem F, Ramm, Michael T, Chen, Ling-Jen, Powell, Douglas R

“…Transition energies (E op) of the nitrogen-centered π,π* absorption of tetraalkylhydrazine radical cations are quite sensitive to twist at the NN bond,…”
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Intermolecular Electron-Transfer Reactions Involving Hydrazines by Nelsen, Stephen F, Chen, Ling-Jen, Ramm, Michael T, Voy, Gilbert T, Powell, Douglas R, Accola, Molly A, Seehafer, Troy R, Sabelko, Jobiah J, Pladziewicz, Jack R

“…The self-exchange electron-transfer (ET) rate constant k 22 for 1,2,3,4,5-pentamethylferrocene was determined by NMR line broadening to be 8.5(±0.8) × 106 M-1…”
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Eclipsed Isopropyl Conformations of Two Dimeric Hydrazines by Nelsen, Stephen F, Ramm, Michael T, Wolff, J. J, Powell, Douglas R

“…The X-ray structures of 4,10-di-tert-butyl-5,9-diisopropyl-4,5,9,10-tetraazatetracyclo[6.2.2.23,6]tetradecane (s4iPr) and its…”
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Quantum Correlations and Energy Transport in Trapped Ions by Ramm, Michael

“…We present experimental results of using trapped ions for the study of energy transport and quantum correlations in many-body systems. We investigate energy…”
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Precision measurement method for branching fractions of excited P(1/2) states applied to 40Ca+ by Ramm, Michael, Pruttivarasin, Thaned, Kokish, Mark, Talukdar, Ishan, Häffner, Hartmut

“…We present a method for measuring branching fractions for the decay of J=1/2 atomic energy levels to lower-lying states based on time-resolved recording of the…”
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Cover Picture: Rapid Hydrolysis of Quorum-Sensing Molecules in the Gut of Lepidopteran Larvae (ChemBioChem 12/2008) by Funke, Matthias, Büchler, Rita, Mahobia, Vertica, Schneeberg, Alexander, Ramm, Michael, Boland, Wilhelm

“…The cover picture shows a caterpillar of the cotton leaf worm Spodoptera littoralis feeding on a leaf of the lima bean (Phaseolus lunatus). Microelectrode…”
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Solvent dynamical effects in electron transfer: electrochemical-exchange kinetics of sesquibicyclic hydrazines as a probe of coupled vibrational activation by Phelps, Donald K, Ramm, Michael T, Wang, Yichun, Nelsen, Stephen F, Weaver, Michael J

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Rapid analysis of nucleotide-activated sugars by high-performance liquid chromatography coupled with diode-array detection, electrospray ionization mass spectrometry and nuclear magnetic resonance by Ramm, Michael, Wolfender, Jean-Luc, Queiroz, Emerson Ferreira, Hostettmann, Kurt, Hamburger, Matthias

“…A generally applicable method for HPLC analysis of sugar nucleotides was established. Separation was achieved using ion-pair chromatography on a reversed-phase…”
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