Dieter Bonitz

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Excitatory and emission wavelengths and quantum yields were determined for 16 fluorescent brightening agents. Optimal microscopic excitatory and barrier filters, determined by these results, were used to examine tissues with Phorwhite BKL and Leucophor PAF, the two agents showing the highest quantum yields. All slides exhibited a high degree of fluorescence(More)
In an approach toward the identification of hitherto unknown proteins involved in the function of the blood-brain barrier, we constructed a pig brain microvessel-derived cDNA library that is enriched in blood-brain barrier specific sequences by means of subtractive cloning. Sequence analysis of selected clones revealed that one of the cDNAs encoded porcine(More)
Excitation and emission spectra were obtained for thirty-two new fluorescent stains that resist fading when exposed to light. Quantum yields were determined for the fourteen stains that showed the greatest fluorescent intensity. Optimal microscopic excitatory and barrier filters, determined by the experimental results, were used to examine tissues stained(More)
Data on sickness absence of employees are routinely used for health reporting and the analysis of work-related morbidity by institutions of the German health insurance. Since the insurance system comprises several different branches, these health reports differ in respect of objectives, data selection, methods of analysis, and presentation of results. A(More)
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