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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 103 (1990), S. 329-334 
    ISSN: 1437-1596
    Keywords: Human blood identification ; ELISA-ABC method ; Enzymelinked immunosorbent assay (ELISA) ; Avidin-biotin complex (ABC) system ; Avidin-Biotin (AB)-Komplex-System ; Blutidentifizierung ; ELISA-AB-Komplex-Methode
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Beschreibung einer direkten ELISA-Methode unter Verwendung des Avidin-Biotin-Complexes zur Identifizierung winziger Mengen menschlichen Blutes. In dieser ELISA-ABC-Methode wurde ein Biotin-gebundener IgG-Antikörper (Ziege) gegen Human-HbA0 verwandt. Mit dieser Methode war menschliches Blut von dem Blut japanischer Affen and anderer Tiere sehr leicht unterscheidbar. Positive Reaktionen wurden nach einer Untersuchungszeit von etwa 3 Std. gewonnen. Minimale Hämoglobin-Präparationen zwischen 22 ng and 169 μg erwiesen sich als ausreichend, um eindeutige positive Reaktionen zu erzeugen. Der Test reagierte bis zu einer Blutverdünnung von 1: 640.000-fach positiv.
    Notes: Summary A direct enzyme-linked immunosorbent assay (ELISA) using an avidin-biotin complex (ABC) system for the identification of human blood is described. In this ELISA-ABC method, in which biotin-labeled goat IgG antibody against human HbA0 was used, it was possible clearly to distinguish human blood from the blood of other species, including that of Japanese monkeys. It took about 3 h to obtain the results. Human Hb concentrations ranging from 22 ng to 169 μg produced a positive reaction, and the minimum detection limit in terms of the highest possible dilution of human blood was 1:640,000.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0942-0940
    Keywords: Calcitonin gene-related peptide ; slow-release tablet ; subarachnoid haemorrhage ; cerebral vasospasm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The calcitonin gene-related peptide (CGRP), a known potent intrinsic cerebral vasodilator, is contained in the sensory nerves from trigeminal ganglia that inervate the cerebral arteries. We previously reported that human α CGRP (hCGRP) dilates spastic cerebral arteries after experimental subarachnoid haemorrhage (SAH) in rabbits. In the present study, we investigated the prophylactic potential of a sustained higher cerebrospinal fluid level ofhCGRP against experimental cerebral vasospasm. AnhCGRP slow-release tablet (hCGRP s-r tablet) was developed for cisternal implantation. Experimental SAH was induced by percutaneous cisternal injection of autologous arterial blood. Angiography was initiated on day 1 (before SAH) and performed everyday. ThehCGRP s-r tablet was implanted into the cisterna magna on day 2 in the treated groups. The spastic response of the basilar artery was maximized on day 4 in the non-treated (80.7% of day 1) and the placebo-treated (79.3%) groups. In contrast, the arterial diameters on day 4 were 96.1% and 90.5% of day 1 in the groups implanted withhCGRP 24 μg and 153 μg s-r tablets, respectively. We also measured the concentration ofhCGRP in the cerebrospinal fluid (CSF) following implantation of thehCGRP 24 μg s-r tablet in the cisterna magna. The hCGRP concentration before implantation was below the dectable level. Following implantation, thehCGRP level in the CSF was 23.12 nmol/L on the second day and remained at elevated levels until the fifth day. These experiments suggest that the intrathecal single implantation of thehCGRP s-r tablet could produce an elevated concentration ofhCGRP in the CSF over five days and have prevented the cerebral vasospasm after SAH in the rabbit. ThehCGRP s-r tablet may be clinically applicable in the treatment of patients with SAH against cerebral vasospasm.
    Type of Medium: Electronic Resource
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