Search Results - "Ernsting, N P"

Photoisomerization Dynamics and Pathways of trans- and cis-Azobenzene in Solution from Broadband Femtosecond Spectroscopies and Calculations by Quick, M, Dobryakov, A. L, Gerecke, M, Richter, C, Berndt, F, Ioffe, I. N, Granovsky, A. A, Mahrwald, R, Ernsting, N. P, Kovalenko, S. A

“…The photoisomerization of azobenzene in solution was studied experimentally and by calculations. trans-to-cis and cis-to-trans dynamics are described through…”
Get full text

Femtosecond Stimulated Raman Spectroscopy of Flavin after Optical Excitation by Weigel, A, Dobryakov, A, Klaumünzer, B, Sajadi, M, Saalfrank, P, Ernsting, N. P

“…In blue-light photoreceptors using flavin (BLUF), the signaling state is formed already within several 100 ps after illumination, with only small changes of…”
Get full text

Photoisomerization Dynamics of Stiff-Stilbene in Solution by Quick, M, Berndt, F, Dobryakov, A. L, Ioffe, I. N, Granovsky, A. A, Knie, C, Mahrwald, R, Lenoir, D, Ernsting, N. P, Kovalenko, S. A

“…Photoinduced isomerization of 1,1′-bis-indanyliden (stiff-stilbene) in solution was studied with broadband transient absorption and femtosecond Raman…”
Get full text

Rotamer-Specific Photoisomerization of Difluorostilbenes from Transient Absorption and Transient Raman Spectroscopy by Quick, M, Dobryakov, A. L, Ioffe, I. N, Berndt, F, Mahrwald, R, Ernsting, N. P, Kovalenko, S. A

“…Photoisomerization of 2,2′-, 3,3′-, and 4,4′-difluorostilbene (F2, F3, F4, respectively) in n-hexane, perfluoro-n-hexane, and acetonitrile is studied with…”
Get full text

Ultrafast Proton Transfer to Solvent:  Molecularity and Intermediates from Solvation- and Diffusion-Controlled Regimes by Pérez-Lustres, J. L, Rodriguez-Prieto, F, Mosquera, M, Senyushkina, T. A, Ernsting, N. P, Kovalenko, S. A

“…Photoinduced proton transfer (PT) from cations 6-hydroxyquinolinium (6HQc) and 6-hydroxy-1-methylquinolinium (6MQc) to water and alcohols, and solvation of the…”
Get full text

Communication: Solvation and dielectric response in ionic liquids--conductivity extension of the continuum model by Zhang, X-X, Schröder, C, Ernsting, N P

“…The solvation response of a polarity probe in a conducting liquid is analyzed based on simple continuum theory. A multi-exponential description of the dynamics…”
Get more information

Wave-Packet-Assisted Decomposition of Femtosecond Transient Ultraviolet−Visible Absorption Spectra:  Application to Excited-State Intramolecular Proton Transfer in Solution by Ernsting, N. P, Kovalenko, S. A, Senyushkina, T, Saam, J, Farztdinov, V

“…Femtosecond transient absorption spectra of molecules in solution change when an ultrafast reaction creates a new product state, and coherent optical processes…”
Get full text

Photoinduced Electron Transfer in Bianthryl and Cyanobianthryl in Solution:  The Case for a High-Frequency Intramolecular Reaction Coordinate by Kovalenko, S. A, Pérez Lustres, J. L, Ernsting, N. P, Rettig, W

“…Photoinduced intramolecular electron transfer (ET) in symmetric 9,9‘-bianthryl (BA) was studied by femtosecond pump-supercontinuum-probe spectroscopy in…”
Get full text

Excited Stilbene: Intramolecular Vibrational Redistribution and Solvation Studied by Femtosecond Stimulated Raman Spectroscopy by Weigel, A, Ernsting, N.P

“…Excited-state relaxation of cis- and trans-stilbene is traced with femtosecond stimulated Raman spectroscopy, exploiting S n ← S1 resonance conditions. For…”
Get full text

Mapping CTTS dynamics of Na- in tetrahydrofurane with ultrafast multichannel pump-probe spectroscopy by Shoshana, O, Pérez Lustres, J L, Ernsting, N P, Ruhman, S

“…Using multichannel femtosecond spectroscopy we have followed Na- charge transfer to solvent (CTTS) dynamics in THF solution. Absorption of the primary…”
Get more information

Charge Transfer and Solvation of Betaine-30 in Polar SolventsA Femtosecond Broadband Transient Absorption Study by Kovalenko, S. A, Eilers-König, N, Senyushkina, T. A, Ernsting, N. P

“…Betaine-30 in polar solvents was studied with the pump−supercontinuum probe technique after ca. 50 fs excitation at 532 and 634 nm. By monitoring the spectral…”
Get full text

Interactive curve resolution by using latent projections in polar coordinates by von Frese, J., Kovalenko, S. A., Ernsting, N. P.

“…The problem of resolving bilinear two‐way data into the contributions from the underlying mixture components is of great interest for all hyphenated analytical…”
Get full text

Dual-fluorescence pH probe for bio-labelling by Richter, C, Schneider, C, Quick, M T, Volz, P, Mahrwald, R, Hughes, J, Dick, B, Alexiev, U, Ernsting, N P

“…Although seminaphtorhodafluor (SNARF) dyes are already widely used to measure pH in cells and at biofilms, their synthesis has low yield and results in an…”
Get more information

Broad-band fluorescence upconversion for femtosecond spectroscopy by Schanz, R., Kovalenko, S. A., Kharlanov, V., Ernsting, N. P.

“…With near-infrared gating and improved light collection geometry, the entire fluorescence band can be upconverted in a broad range of 10 000 cm−1 without…”
Get full text

Isosteric and fluorescent DNA base pair formed by 4-amino-phthalimide and 2,4-diaminopyrimidine: melting, structure, and THz polar solvation dynamics by Dehmel, L, Berndt, F, Weinberger, M, Sajadi, M, Ioffe, I, Wagenknecht, H-A, Ernsting, N P

“…An artificial base pair in the center of a duplex DNA oligomer, formed by 2,4-diaminopyrimidine and fluorescent 4-aminophthalimide C-nucleosides, is…”
Get more information

Tuning of photoinduced energy transfer in a bichromophoric coumarin supermolecule by cation binding by Valeur, B, Pouget, J, Bourson, J, Kaschke, M, Ernsting, N. P

Get full text

Frequency and time-domain analysis of excited-state intramolecular proton transfer. Double-proton transfer in 2,5-bis(2-benzoxazolyl)-hydroquinone? by Weiß, J., May, V., Ernsting, N.P., Farztdinov, V., Mühlpfordt, A.

“…2,5-bis(2-benzoxazolyl)-hydroquinone has two reactive sites for excited-state intramolecular proton transfer (ESIPT) AH…B→A…HB. To carry out a frequency and…”
Get full text

Peroxyester Decarboxylation Studied by Picosecond Transient IR Spectroscopy by Aschenbrücker, J, Buback, M, Ernsting, N. P, Schroeder, J, Steegmüller, U

“…The decarboxylation of tert-butyl-9-methylfluorene-9-percarboxylate is investigated by picosecond UV pump/IR probe spectroscopy. An intense 308 nm UV pulse of…”
Get full text

Femtosecond Photodissociation Dynamics of Bis(julolidine) Disulfide in Polar and Apolar Solvents by Lochschmidt, A, Eilers-König, N, Heineking, N, Ernsting, N. P

“…Following femtosecond photodissociation of bis(julolidine) disulfide, the nascent geminate julolidylthiyl radicals are observed with pump/supercontinuum probe…”
Get full text

The primary photochemical reaction step of unsubstituted indolino-spiropyrans by Ernsting, N. P., Dick, B., Arthen-Engeland, Th

Get full text