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  • 1980-1984  (2)
  • 1
    Electronic Resource
    Electronic Resource
    A pulsed tunable dye-laser microspectrofluorometer (1982)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 1 (1982), S. 382-390 
    Details
    ISSN: 0392-6737
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Riassunto In questo lavoro è descritto un apparato sperimentale realizzato per effettuare studi di spettroscopia otticain vivo su organelli subcellulari. Sono riportate le caratteristiche tecniche dell'apparato ed i risultati delle misure effettuate per determinare lo spettro di eccitazione ed il rendimento quantico di fluorescenza di un fotopigmento d'interesse biologico (riboflavina tetrabutirrato).
    Abstract: Реэюме В этой статье мы описываем экспериментальный прибор, построенный с целью проведения оптических спектроскопических исследований в естественных условиях на субклеточных органеллах. Сообщаются технические характеристики системы. Приводятся результаты измерений спектра возбуждений и квантового выхода флуоресценции для биологически важного фотопигмента (рибофлавинтетрабутерат).
    Notes: Summary In this paper we describe our experimental apparatus built up with the purpose of performing optical-spectroscopy studiesin vivo on subcellular organelle. Together with the technical characteristics of the system, we report the fluorescence excitation spectrum and quantum yield of a biologically important photopigment, riboflavintetrabutyrate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02450934
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    The free erythrocyte protoporphyrin assay in monitoring lead-exposed workers (1980)
    Springer
    International archives of occupational and environmental health 45 (1980), S. 35-48 
    Details
    ISSN: 1432-1246
    Keywords: Lead intoxication ; Free erythrocyte protoporphyrin ; Fluorometric analysis ; Hematofluorometer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We have performed a comparative analysis of two different fluorometric methods used to determine free erythrocyte protoporphyrin (FEP) blood concentration. The first method is based on an extractive procedure, whereas the second one involves the direct fluorometric analysis of whole blood. Our results show that the extractive procedure is probably the most reliable technique available for FEP determination, but it is not so suitable for mass screening, whereas the direct fluorometric determination of FEP blood concentration is probably less reliable, but sufficiently enough to be used for mass screening. We have furthermore investigated whether the FEP test could be used as a unique monitoring method for subclinical lead poisoning. Our findings indicate that FEP test can detect very early metabolic alterations, but it is not so suitable for determining lead absorption and should therefore be used in mass screening together with a dose indicator, such as blood lead concentration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00378094
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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