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  • Articles: DFG German National Licenses  (5)
  • Inorganic Chemistry  (3)
  • Parkinson's disease  (2)
  • 1
    ISSN: 1435-1463
    Keywords: Spiperone binding ; Parkinson's disease ; multiple system atrophy ; vascular lesions ; differential diagnosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In order to investigate the diagnostic value of3H-spiperone binding capacity to lymphocytes in the differential diagnosis of de novo Parkinson's disease (idiopathic Parkinson syndrome, PD), we performed a double blind prospective study of spiperone binding capacity of 123 patients and 23 healthy control persons, belonging to different diagnostic groups (PD, Parkinsonian syndrome due to vascular lesions, multiple system atrophy [MSA], essential tremor). Diagnoses were based on medical history, clinical examination, CT or MRI scan, acute response to dopamimetric drugs, one year follow up, and long term response to L-DOPA treatment. Spiperone binding was assayed using ten different concentrations (0.03–3 nmol) in absence or presence of 1μmol (+)-butaclamol to determine nonsepecific binding. There was no significant difference in spiperone binding between patients with PD not treated with L-DOPA, and patients with other basal ganglia disorders including parkinsonian syndrome due to vascular lesions, multiple system atrophy, or progressive supranuclear palsy, and age matched controls. Binding was significantly higher in parkinsonian patients with PD treated with L-DOPA and patients with essential tremor. It is concluded that at present3H-spiperone binding gives no further information in the differential diagnosis of de novo Parkinson's disease.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of neural transmission 9 (1995), S. 177-188 
    ISSN: 1435-1463
    Keywords: Parkinson's disease ; motor scores ; age ; disease duration ; levodopa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary One hundred and fifty patients suffering from Parkinson's disease were analysed for the expression of the motor symptoms during optimum response to levodopa therapy (subscale III of the Unified Parkinson's Disease Rating Scale). Patients were grouped according to age (≤64, 65–74, ≥75 years). Disease duration and daily levodopa dosage were similar in the three groups. Pooled residual scores for posture and gait impairment (PGI), tremor (T), rigidity (R) and distal motor impairment (DMI; hand and foot movements) increased with age (Kruskal-Wallis ANOVA). The parkinsonian scores were significantly higher than the scores of 150 age-matched normal controls (Mann-Whitney U test). The differences between the patients' scores and the scores of the age-matched controls increased with age. In spite of a significant increase in the daily levodopa dosage with disease duration (linear regression), PGI aggravated age-dependently, and DMI age-independently with symptom duration (Spearman rank correlation). In contrast, T and R did not increase with disease duration.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 558 (1988), S. 189-192 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reaction of Sulfides with Nitrogen Monoxide in Aqueous SolutionThe title reaction has been reinvestigated by VIS/UV and NMR spectrometric measurements. The formation of N-nitrosohydroxylamine monosulfonate could be confirmed. Moreover we could observe that unstable orange-yellow perthionitrite appears temporarily.
    Notes: Die Titelreaktion ist durch VIS/UV- und NMR-spektrometrische Messungen erneut untersucht worden. Dabei konnte die überraschende Entstehung von N-Nitrosohydroxyl-aminmonosulfonat bestätigt und überdies die vorübergehende Bildung von in Wasser unbeständigem orangegelbem Perthionitrit nachgewiesen werden.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 538 (1986), S. 177-190 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Investigation of the Reaction of Sulfur with Sodium Nitrite in DMF, DMSO, and HMPAThe mechanism of the title reaction has been elucidated by VIS/UV, IR, 15N NMR, and ESR spectrometric measurements, gas analysis, and chromatography. The course of the complex reaction and the great number of products  -  nitrous oxide, nitric oxide, sodium thiosulfate, sulfate, polysulfides, polythionates, nitrate  -  can be explained with the assumption that at first perthionitrates NaSxNO2 are formed, which are decomposed either to give dinitrogen monoxide and thiosulfate, or, react with nitrite to yield nitrate and perthionitrite NaS2NO which dissociates reversibly into sodium trisulfide(-I) and nitrogen monoxide. (The details of the two main series of competitive and consecutive reaction steps can be seen from the tabular summary at the end of the text). The characteristic colour change during the reaction from blue-Green to orange-red is due to the formation of the two coloured species: S3- (blue, λmax = 620 nm, g = 2.029) and ONSS- (red, λmax = 448 nm, δ(15N) = 334 ppm, ref. K15NO3).
    Notes: Durch VIS/UV-, IR-, 15N-NMR- und ESR-spektrometrische Messungen, sowie chromatographische und Gas-Analysen ist der Mechanismus der Titelreaktion aufgeklärt worden. Der Verlauf der komplexen Umsetzung und die groβe Anzahl von Produkten  -  Distickstoffoxid, Stickstoffmonoxid, Natriumthiosulfat, Sulfat, Polysulfide, Polythionate, Nitrat  -  können mit der Annahme erklärt werden, daß zunächst Natriumperthionitrate NaSxNO2 entstehen, die sich in Distickstoffoxid und Thiosulfat zersetzen, oder auch mit Nitrit zu Nitrat und Perthionitrit, NaSSNO, reagieren, das reversibel in Stickoxid und Natriumtrisulfid(1 - ) dissoziiert. (Bezüglich der Einzelheiten der konkurrierenden und aufeinander folgenden Reaktionsschritte vgl. Tab. 2.) Der charakteristische Farbwechsel während der Titelreaktion von blau-grün über braun nach orangerot ist auf die Entstehung zweier Farbträger zurückzuführen: S3- (blau, λmax = 620 nm, g = 2,029) und ONSS- (rot, λmax = 448 nm, δ(15N) = 334 ppm, bez. auf K15NO3).
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 24 (1891), S. 4231-4233 
    ISSN: 0365-9496
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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