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  • 1
    Keywords: Forschungsbericht ; Pestizidbelastung ; Naturkundliche Sammlung
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (50 Seiten, 3,99 MB) , Diagramme
    Language: German
    Note: Förderkennzeichen DBU 33687/01 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Cancer chemotherapy and pharmacology 36 (1995), S. 75-78 
    ISSN: 1432-0843
    Keywords: Cisplatin ; Pharmacokinetics ; Urinary platinum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The purpose of this study was to determine long-term renal platinum excretion after chemotherapy with cisplatin. We examined urinary platinum concentrations in 23 men at 150–3022 days after anticancer treatment for testicular neoplasm. Spot urine samples were analyzed by voltammetry. This new, subtle method with a detection limit of 2 pg platinum allows determination of even the natural background level. Urinary platinum concentrations in our patients ranged between 0.74 and 77.24 μg/g creatinine, depending on the total delivered dose and follow-up period. Regression analysis of the data showed two phases of long-term renal platinum excretion, one occurring at between 150 and 900 days of follow-up and the other with an onset at 900 days after cisplatin administration (r 1 2=0.82,r 2 2=0.88). Two biological half-lives of 160 and 720 days were calculated. Our results show that urinary platinum concentrations determined at 8 years after cisplatin therapy are 40 times higher than the background level (up to 0.02 μg/g creatinine). Our findings on the long-term pharmacolinetics of this anticancer agent may facilitate further studies on sites of platinum storage in the human body as well as clinical studies on the late adverse effects of cisplatin.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1246
    Keywords: Key words Cytostatic drugs ; Biological monitoring ; Hospital personnel ; Cyclophosphamide ; Ifosfamide ; Platinum ; Micronuclei ; Sister chromatid exchange
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract For evaluation of the risk borne by hospital pharmacy personnel exposed to antineoplastic agents, the incorporation of cyclophosphamide, ifosfamide, and platinum-containing drugs was quantified by the determination of urinary concentrations. In addition, the induction of micronuclei (MN) and sister-chromatid-exchange (SCE) rates in peripheral blood lymphocytes were studied for correlation with the urinary excretion of cytostatic drugs. Cyclophosphamide and ifosfamide were determined in 24-h urine samples using gas chromatography with electron capture (detection limit 2.5 μg/l). Voltammetric analysis enabled the determination of platinum concentrations of 4 ng/l. Heparinized blood (20 ml) was drawn and lymphocytes were cultured for MN and SCE studies. In all, 13 hospital pharmacists and pharmacy technicians regularly involved in the preparation of cytostatic drugs participated in this investigation (7 persons represent a follow-up group). All subjects applied standard safety precautions, including the use of a vertical laminar air-flow hood, protective gowns, and latex gloves. On the day of urine sampling an average of 4,870 mg cyclophosphamide, 5,580 mg ifosfamide, and 504 mg platinum-containing drugs were handled. The excretion of 5 and 9 μg cyclophosphamide/1 urine was measured in two samples, respectively. An elevated level of urinary platinum was found in one pharmacist (22.3 ng/g creatinine) in comparison with a nonexposed control group. Mean frequencies of MN and SCE did not differ significantly between the drug exposed group and control group. The employees who had incorporated chemotherapeutic agents were part of the follow-up group and, thus, particularly cautious and sensitive to a possible hazard. The results emphasize the necessity of improving personal protection of hospital pharmacy personnel occupationally exposed to cytostatic drugs and support the importance of biological monitoring. In an ongoing project in our department the sources of contamination are being investigated parallel to biological monitoring so as to determine critical situations and improve personal protection.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    International archives of occupational and environmental health 65 (1994), S. 339-342 
    ISSN: 1432-1246
    Keywords: Platinum ; Biological monitoring ; Antineoplastic drugs ; Hospital personnel ; Voltammetry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Urinary platinum levels of 21 nurses and hospital pharmacy personnel occupationally exposed to platinum containing antineoplastic drugs were determined in 24-h urine by voltammetric analysis after UV photolysis. All study participants applied standard safety measures, including a vertical laminar air-flow cabinet and latex gloves. The amount of platinum-containing drugs prepared for intravenous application ranged from 40–3260 mg/day. Urinary platinum was detected in 9 of 52 urine samples collected on days when platinum-containing drugs were mixed (limit of determination 4 ng/1). In comparison with a non-exposed control group, elevated urinary platinum levels were found in one pharmacist (35 ng/g creatinine) and one pharmacy technician (28 ng/g ereatinine). The pharmacist's urinary plantinum remained elevated after 2 days without occupational exposure to anti-neoplastic drugs. The urinary platinum level of the pharmacy technician dropped considerably after several weeks without handling cytostatic drugs. Voltammetric detection of urinary platinum is a highly sensitive method suitable for biological and environmental monitoring.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 115 (1982), S. 1665-1668 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A Simple Route to Dithiocarbimidato Platinum(II) ComplexesDithiocarbimidato complexes 3 are formed by reaction of cis-(Ph3P)2PtCl2 with primary amines in the presence of CS2. BF3 can be added to the lone pair of the N-atom in 3a. The IR and NMR data are reported.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 333 (1989), S. 769-769 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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