Search Results - "Teuchner, K"

Photophysical properties of benzoannelated metal-free phthalocyanines by Freyer, W, Mueller, S, Teuchner, K

“…Symmetrically (1–4) and unsymmetrically (5–7) benzoannelated metal-free porphyrazines bearing tert-butyl substituents have been investigated in regard to their…”
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Excitation Trap Approach to Analyze Size and Pigment−Pigment Coupling:  Reconstitution of LH1 Antenna of Rhodobacter sphaeroides with Ni-Substituted Bacteriochlorophyll by Fiedor, Leszek, Leupold, Dieter, Teuchner, Klaus, Voigt, Berndt, Hunter, C. Neil, Scherz, Avigdor, Scheer, Hugo

“…Replacement of the central Mg in chlorophylls by Ni opens an ultrafast (tens of femtoseconds time range) radiationless de-excitation path, while the principal…”
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Size Enhancement of Transition Dipoles to One- and Two-Exciton Bands in a Photosynthetic Antenna by Leupold, D, Stiel, H, Teuchner, K, Nowak, F, Sandner, W, Ücker, B, Scheer, H

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A numerical solver for rate equations and photon transport equations in nonlinear laser spectroscopy by Ehlert, J., Stiel, H., Teuchner, K.

“…A software package, named PRES, is presented for the numerical solution of the coupled system of rate equations and photon transport equation(s) which is…”
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One- and Two-Photon-Induced Photochemistry of Modified Palladium Porphyrazines Involving Molecular Oxygen by Freyer, W., Stiel, H., Hild, M., Teuchner, K., Leupold, D.

“…— Octaphenyltetraanthraporphyrazinato palladium undergoes a self‐sensitized photoreaction in the presence of oxygen to form a substituted palladium…”
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Photophysical characterization of the B800-depleted light harvesting complex B850 of Rhodobacter sphaeroides: Implications to the ultrafast energy transfer 800→850 nm by Leupold, D., Stiel, H., Ehlert, J., Nowak, F., Teuchner, K., Voigt, B., Bandilla, M., Ücker, B., Scheer, H.

“…From the isolated LH2 antenna of Rhodobacter sphaeroides, called B800-850, the bacteriochlorophyll a pigment complement BChl-B800, mainly responsible for the…”
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Photophysical Consequences of Coupling Bacteriochlorophyll a with Serine and its Resulting Solubility in Water by Eichwurzel, I., Stiel, H., Teuchner, K., Leupold, D., Scheer, H., Salomon, Y., Scherz, A.

“…We investigated the dependence on solvents of optical absorption and emission of the bacteriochlorophyll a-serine (BChl-ser), a water soluble…”
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Fluorescence and excited state absorption in modified pigments of bacterial photosynthesis a comparative study of metal-substituted bacteriochlorophylls a by Teuchner, K., Stiel, H., Leupold, D., Scherz, A., Noy, D., Simonin, I., Hartwich, G., Scheer, H.

“…A series of transmetalated bacteriochlorophylls, where the central magnesium has been replaced by Pd, Ni, Zn, Cd, Cu, have been investigated by linear and…”
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Spectroscopic properties of potential sensitizers for new photodynamic therapy start mechanisms via two-step excited electronic states by Teuchner, K, Pfarrherr, A, Stiel, H, Freyer, W, Leupold, D

“…Three substituted tetraazaporphyrins, octa-(4-tert-butylphenyl)-tetrapyrazinoporphyrazine, tetra-(4-tert-butyl)phthalocyanine and…”
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Detection of the metastable rippled gel phase in hydrated phosphatidylcholine by fluorescence spectroscopy by Vladkova, R, Teuchner, K, Leupold, D, Koynova, R, Tenchov, B

“…Steady-state and time-resolved emission spectroscopy of 1-anilinonaphthalene-8-sulfonic acid (ANS) have been used for characterization of the metastable…”
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Low-temperature fluorescence kinetics of phytochrome New hints concerning the unknown mechanism of the early photocycle by Schulz-Evers, M., Teuchner, K., Hermann, G., Rüdiger, W.

“…The relaxation rate of primary excited native (124kDa) phytochrome from oat, is measured by time-resolved fluorescence techniques at temperatures between 77…”
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The identification of metaldehyde by Koflers' micro method by TEUCHNER, K

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Femtosecond Two-photon Excited Fluorescence of Melanin by Teuchner, Klaus, Freyer, Wolfgang, Leupold, Dieter, Volkmer, Andreas, Birch, David J. S., Altmeyer, Peter, Stücker, Markus, Hoffmann, Klaus

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Fluorescence studies of melanin by stepwise two-photon femtosecond laser excitation by Teuchner, Klaus, Ehlert, Juergen, Freyer, Wolfgang, Leupold, Dieter, Altmeyer, Peter, Stuecker, Markus, Hoffmann, Klaus

“…Fluorescence of synthetic melanin in the solvents H sub(2)O, KOH, ethylene glycol monomethyl ether, and dimethyl sulfoxide has been excited by two-photon…”
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Femtosecond Two-photon Excited Fluorescence of Melanin by Teuchner, Klaus, Freyer, Wolfgang, Leupold, Dieter, Volkmer, Andreas, Birch, David J. S., Altmeyer, Peter, Stucker, Markus, Hoffmann, Klaus

“… Fluorescence of synthetic melanin in dimethyl sulfoxide has been excited by two‐photon absorption at 800 run, using 120 fs pulses with photon flux densities…”
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Photophysical properties of Prochlorococcus marinus SS120 divinyl chlorophylls and phycoerythrin in vitro and in vivo by Steglich, Claudia, Mullineaux, Conrad W, Teuchner, Klaus, Hess, Wolfgang R, Lokstein, Heiko

“…Prochlorococcus marinus SS120 is an ecologically important and biochemically intriguing marine cyanobacterium. In addition to divinyl chlorophylls (DV-Chls) a…”
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Unfolding and Conformational Studies on Bovine Adrenodoxin Probed by Engineered Intrinsic Tryptophan Fluorescence by Hannemann, Frank, Bera, Aloke Kumar, Fischer, Birgitta, Lisurek, Michael, Teuchner, Klaus, Bernhardt, Rita

“…An intrinsic steady-state fluorescent system for bovine adrenodoxin has been developed to study the protein structure in solution and the processes involved in…”
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Selective Femtosecond Pulse-Excitation of Melanin Fluorescence in Tissue by Hoffmann, Klaus, Stücker, Markus, Altmeyer, Peter, Teuchner, Klaus, Leupold, Dieter

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Two-Photon Excited Fluorescence from Higher Electronic States of Chlorophylls in Photosynthetic Antenna Complexes: A New Approach to Detect Strong Excitonic Chlorophyll a/ b Coupling by Leupold, Dieter, Teuchner, Klaus, Ehlert, Jürgen, Irrgang, Klaus-Dieter, Renger, Gernot, Lokstein, Heiko

“…Stepwise two-photon excitation of chlorophyll a and b in the higher plant main light-harvesting complex (LHC II) and the minor complex CP29 (as well as in…”
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One- and two-exciton bands in the LH2 antenna of Rhodopseudomonas acidophila by Stiel, H., Leupold, D., Teuchner, K., Nowak, F., Scheer, H., Cogdell, R.J.

“…The properties of one- and two-exciton states of the circular aggregate responsible for the B850 band in the peripheral light harvesting antenna (LH2),…”
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