[Identification and determination of polyvinylpyrrolidone(PVP) as well as determination of active substances in PVP-containing drug preparations].
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Ascorbic Acid↗
Biomedical subjects
K Müller
Publications and source records attributed to K Müller.
Interleukin-1 receptor antagonist in neonates, children and adults, and in patients with pauci- and polyarticular onset juvenile chronic arthritis.
OBJECTIVE: The production of interleukin (IL) -1 alpha IL-1 beta and IL-1 receptor antagonist (IL-1ra) by blood mononuclear cells (MNC), as well as the corresponding serum levels of IL-1ra were examined in blood samples from umbilical cords (n = 11), children (n = 40) and adults (n = 20), and in 42 patients with juvenile chronic arthritis (JCA) of the pauci- or polyarticular onset type. RESULTS: IL-1ra serum levels were found to differ significantly between the three age groups, being higher in neonates (569 pg/ml) than in children (70 pg/ml) and adults (177 pg/ml). IL-1ra production in E. coli lipopolysacharide (LPS) stimulated-cultures of MNC was also significantly higher in neonates (median 2451 pg/ml) than in children (1526 pg/ml), but similar to that in adults (2107 pg/ml). IL-1ra levels in the sera of both subgroups of JCA patients were significantly elevated (median 257 pg/ml), but did not reflect paraclinical or clinical disease parameters. In samples of synovial fluid the IL-1ra levels tended to be fairly high, up to approximately 2 ng/ml, but they did not reflect the serum levels of IL-1ra. CONCLUSION: These findings suggests that the upregulation of IL-1ra production forms part of the immunoregulatory response in JCA patients, and that the insufficient production of IL-1ra is unlikely to contribute to the pathogenesis of JCA.
Adolescent↗
[Suicidal chloroform poisoning].
The results of the autopsy and of the toxicological analysis of a suicidal poisoning case by chloroform inhalation of a man (28) are described. The cause of death was acute cardiac failure, accompanied by centrolobular liver necroses. Quantitative analytical results (e.g. blood 47, liver 188, kidney 144, brain 74, urine 2 ug/ml, determined by head space GC were in agreement with literature data. The low concentration in stomach content indicated inhalation in accordance to the findings on site.
Adult↗