Vita Publications

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2018-04-11
13:01
[PUBDB-2018-01676] Journal Article
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Energy splitting between triplet and singlet exciplex states determined with E-type delayed fluorescence
In the redox system with N,N-diethylaniline as electron donor and 1,4-dicyanobenzene as electron acceptor the singlet and triplet exciplex states in the nonpolar solvent methylcyclohexane are almost degenerate. The lowest excited state is the triplet exciplex state from which the singlet exciplex state is populated in a fast endothermic reaction. [...]
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ddc:540
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2018-04-03
09:36
[PUBDB-2018-01612] Journal Article
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Arachnids in Bitterfeld amber: A unique fauna of fossils from the heart of Europe or simply old friends?
 GO
AbstractBitterfeld amber, sometimes referred to as Saxon or Saxonian amber, is a potentially significant but poorly known source of arthropod data for the Palaeogene of northern Europe. An important aspect is a long-standing controversy about the age of this amber: namely whether it is equivalent to, and perhaps merely a southerly extension of, the better-known Baltic amber, or whether it is a unique and geological younger deposit sampling a different fauna. [...]
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2018-03-29
14:50
[PUBDB-2018-01604] Journal Article
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Experimental requirements for light-induced reactions in powders investigated by time-resolved X-ray diffraction
ddc:540
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2018-03-29
14:45
[PUBDB-2018-01603] Journal Article
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First investigations of the kinetics of the topochemical reaction of p-formyl-trans-cinnamic acid by time-resolved X-ray diffraction
Faraday discussions 122, 105 - 117 () [10.1039/b202831j]  GO
Under UV irradiation p-formyl-trans-cinnamic acid (p-FCA) crystals in the β-phase dimerise irreversibly to solid 4,4′-diformyl-β-truxinic acid. The experimental conditions were chosen in such a way (non-aqueous environment and room temperature) that the product formed is amorphous. [...]
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ddc:540
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2018-03-29
12:00
[PUBDB-2018-01593] Journal Article
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Stimulated X-Ray Emission Spectroscopy in Transition Metal Complexes
We report the observation and analysis of the gain curve of amplified Kα x-ray emission from solutions of Mn(II) and Mn(VII) complexes using an x-ray free electron laser to create the 1s core-hole population inversion. We find spectra at amplification levels extending over 4 orders of magnitude until saturation. [...]
ddc:550
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2018-03-27
15:00
[PUBDB-2018-01588] Journal Article
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Influence of calcium on lipid mixing mediated by influenza hemagglutinin
We studied the influence of calcium on lipid mixing mediated by influenza hemagglutinin (HA). Lipid mixing between HA-expressing cells and liposomes containing disialoganglioside, influenza virus receptor, was studied at 37 °C and neutral pH after a low-pH pulse at 4 °C. [...]
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ddc:500
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2018-03-27
14:56
[PUBDB-2018-01587] Journal Article
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High Blood flow Rates with Adjustment of Needle Diameter do not Increase Hemolysis during Hemodialysis Treatment
Higher blood flow in dialysis therapy is often avoided due to concerns about shear-induced blood damage despite the lack of reliable data.This study investigated the influence of higher blood flow rates on plasma free hemoglobin (Hb) concentration after hemodialysis (HD) treatment.Thirty-two chronic HD patients were treated once with a blood flow rate of 250 mL/min using a 17G needle, and once with a blood flow rate of 500 mL/min using a 14G needle. Arterial and venous pressure and blood pressure (BP) were recorded before and after treatment. [...]
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ddc:610
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2018-03-27
14:43
[PUBDB-2018-01585] Contribution to a book
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Chemistry investigated with free electron laser radiation
Technical design report Hamburg : DESY, Hasylab , 1-20 ()

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2018-03-27
14:24
[PUBDB-2018-01583] Journal Article

Current developments in time-resolved X-ray diffraction
In time-resolved X-ray diffraction (TR-XRD), two different entities can be investigated as a function of time: the structural response function of a system upon photoexcitation and/or the population changes of short-living intermediates during the time course of a reaction. The time scales of these response functions might vary between hours and picoseconds, depending on the effects measured. [...]
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ddc:540
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2018-03-27
13:57
[PUBDB-2018-01582] Contribution to a book
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Current developments of fluorescence spectroscopy; 1. Aufl.
[Ebook] Topics in Fluorescence Spectroscopy : Small Molecule Sensing / Geddes, Chris D. ; Lakowicz, Joseph R. 1. Aufl., : , , New York : Springer, Topics in Fluorescence Spectroscopy S., v. 9 , 328-330 ()
Over the last decade, fluorescence has become the dominant tool in biotechnology and medical imaging. These exciting advances have been underpinned by the advances in time-resolved techniques and instrumentation, probe design, chemical / biochemical sensing, coupled with our furthered knowledge in biology [...]
ddc:543.56
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