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Time-resolved infrared spectroscopy

Picosecond time-resolved infrared spectroscopy of rhodium and iridium azides

Picosecond time-resolved infrared spectroscopy of rhodium and iridium azides

... Picosecond time-resolved infrared spectroscopy of rhodium and iridium azides Peter Portius*, 1 Anthony ...Picosecond time-resolved infrared spectroscopy was used to ...

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Calculating singlet excited states: comparison with fast time resolved infrared spectroscopy of coumarins

Calculating singlet excited states: comparison with fast time resolved infrared spectroscopy of coumarins

... An alternative approach to such problems is to apply ground state methods directly to study excited states. While this is straightforward for the lowest energy state of a given multiplicity, for example the lowest ...

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Characterization of the Dynamics of Beta Sheet Formation by Time-Resolved Infrared Spectroscopy and Computational Modeling

Characterization of the Dynamics of Beta Sheet Formation by Time-Resolved Infrared Spectroscopy and Computational Modeling

... the polypeptide to relatively compact structures. Consequently, the entropic barrier must arise from limited peptide backbone degrees of freedom, loss of side chain mobility, and changes in solvation of the transition ...

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A Study of the pH Dependence of Electronically Excited Guanosine Compounds by Picosecond Time resolved Infrared Spectroscopy

A Study of the pH Dependence of Electronically Excited Guanosine Compounds by Picosecond Time resolved Infrared Spectroscopy

... by 21 cm -1 , representative of more double bond character. The transient observed following 267 nm excitation shows that the excited state deactivates with a lifetime of 229 ± 25 ps. This is much longer than that ...

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Monitoring base specific dynamics during melting of DNA-ligand complexes using temperature-jump time-resolved infrared spectroscopy

Monitoring base specific dynamics during melting of DNA-ligand complexes using temperature-jump time-resolved infrared spectroscopy

... In this article, we employ T-jump-initiated ultrafast IR spectroscopy to extend our understanding of how H33258 binding in fl uences DNA structure to explore the dynamic implications of molecular association. 25 By ...

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Monitoring Base Specific Dynamics during Melting of DNA-Ligand Complexes using Temperature-Jump Time-Resolved Infrared Spectroscopy

Monitoring Base Specific Dynamics during Melting of DNA-Ligand Complexes using Temperature-Jump Time-Resolved Infrared Spectroscopy

... These trends are reproduced for the alternating sequence, although the AT timescale is shorter ( ∼ 250 ns). These faster processes have previously been assigned to end- fraying and this is not inconsistent with their ...

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Time resolved nanosecond fluorescence lifetime imaging and picosecond infrared spectroscopy of combretastatin A 4 in solution and in cellular systems

Time resolved nanosecond fluorescence lifetime imaging and picosecond infrared spectroscopy of combretastatin A 4 in solution and in cellular systems

... 2 toxicity) to the Z-isomer with high anticancer drug activity using two-photon irradiation. The isomerization of Z- and E-combretastatins by 266 nm irradiation has been probed by ultrafast time-resolved ...

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Time resolved infrared imaging and spectroscopy for engine diagnostics

Time resolved infrared imaging and spectroscopy for engine diagnostics

... more time for the flame to propagate, but it also leads to more mis- fires, especially in leaner mixtures, since the temperatures and pressures early in the cycle are not high enough for flame in- itiation, and ...

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Time-resolved spectroscopy on epitaxial graphene in the infrared spectral range: relaxation dynamics and saturation behavior

Time-resolved spectroscopy on epitaxial graphene in the infrared spectral range: relaxation dynamics and saturation behavior

... For identification of the physical processes related to the decay of the pump‐probe signal it is most instructive to switch off certain processes in the calculation. In Fig. 5(c) the result for the full dynamics is ...

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Time-resolved infrared spectroscopic techniques as applied to channelrhodopsin

Time-resolved infrared spectroscopic techniques as applied to channelrhodopsin

... is infrared spectroscopy since it allows observation of proteins and their function at a molecular level and in near-native ...microsecond time scale and the return into the fully dark-adapted state ...

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Probing the Proton-Loading Site of Cytochrome C Oxidase Using Time-Resolved Fourier Transform Infrared Spectroscopy

Probing the Proton-Loading Site of Cytochrome C Oxidase Using Time-Resolved Fourier Transform Infrared Spectroscopy

... a time-resolved ...with time-resolved Fourier transform infrared spectroscopy is presented for the first ...Seven infrared bands in the “fast” kinetic spectra were found ...

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Time-Resolved Step-Scan Fourier Transform Infrared Spectroscopy Reveals Differences between Early and Late M Intermediates of Bacteriorhodopsin

Time-Resolved Step-Scan Fourier Transform Infrared Spectroscopy Reveals Differences between Early and Late M Intermediates of Bacteriorhodopsin

... Our data (Figs. 4, 7, and 9) clearly demonstrate the existence of two M states in the 50 –200- ␮s time range. They can be discriminated by small differences in the in- tensities of bands located at 1616 and 1557 ...

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Time-resolved Spectroscopy of Plasma Flash from Hypervelocity Impact on Debrisat

Time-resolved Spectroscopy of Plasma Flash from Hypervelocity Impact on Debrisat

... Present day satellites incorporate many different technologies and materials from spacecraft designed over 40 years ago. The development of new materials for current satellites calls for additional laboratory tests to ...

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Attosecond time-resolved streaked photoelectron spectroscopy of transition-metal nanospheres

Attosecond time-resolved streaked photoelectron spectroscopy of transition-metal nanospheres

... the infrared (IR) and extreme ultraviolet (XUV) spectral range with pulse durations of a few femtoseconds (1 fs = 10 −15 s) and a few tens of attoseconds (1 as = 10 −18 s), respec- ...the ...

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Infrared spectroscopy of proteins

Infrared spectroscopy of proteins

... Already in 1981, CO photodissociation experiments have led to significant conclusions regarding the catalytic centre [402]. Multiple CO absorption bands when bound to both metal centres indicated structural ...

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Spatially Resolved Infrared Spectroscopy of Seyfert Galaxies

Spatially Resolved Infrared Spectroscopy of Seyfert Galaxies

... However, based on the strength and velocity width of infrared [Fell] lines, as well as their spatial correlation with hydrogen recombination lines, others have conc[r] ...

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Time-resolved absorption spectroscopy

Time-resolved absorption spectroscopy

... 2.3.2 Single frequency pump- time-variable probe absorption methods. Example: Photo-isomerisation study on a diamino-maleonitrile derivative (T. Susdorf et al., Chem.. 2.3.3 Double fre[r] ...

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Time-Resolved Fluorescence Spectroscopy with LabView

Time-Resolved Fluorescence Spectroscopy with LabView

... Mortensen, 2008), or for adulteration assessment (Poulli et al., 2007). The fluorescence spectroscopy is now widely used for biomedical purposes and clinical analysis. The fluorescence emission from the skin can ...

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Time-resolved X-ray absorption spectroscopy

Time-resolved X-ray absorption spectroscopy

... This class of molecules has been much studied over the past 20 years due to their potential use in optical writing/ magnetic reading of stored data. In [Fe(bpy) 3 ] 2+ , the spin cross-over can only be induced by light, ...

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Diagnosis of meningioma by time-resolved fluorescence spectroscopy

Diagnosis of meningioma by time-resolved fluorescence spectroscopy

... 4.1 Time-Resolved Fluorescence Spectroscopy in Tissue Characterization In this study, we employed a time-resolved fluorescence spec- troscopy apparatus, enabling the acquisition of ...

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