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C Mueller-Eckhardt

Publications and source records attributed to C Mueller-Eckhardt.

348 records · Page 20Linked to original sources

Detection of cell-drug (hapten)-antibody complexes by the gel test.

Most drugs causing immunocytopenias do not bind firmly to the affected cells. Consequently, the drug-dependent antibodies in such cases are completely removed from their binding sites by conventional cell washing. It has recently been shown that such cell-drug-antibody complexes do survive the washing procedure, if the drug (metabolite) was included in the wash medium. The study reported here used the microtube gel test to reexamine the reactivity of different drug-dependent red cell antibodies: cefotaxime (n = 1), carbimazole (n = 1), cianidanol (n = 1), diclofenac (n = 3), penicillin (n = 3), and nomifensine (n = 10). Whether the drug tested binds (penicillin, cianidanol, carbimazole, and diclofenac) or does not bind (cefotaxime and nomifensine) firmly to the cells, the resultant cell-drug-antibody complex could be recognized on and/or in the gel after it was separated from the mixture containing the drug by means of centrifugation alone and without washing. It is concluded that the gel test might be of value not only for the detection of drug-dependent antibodies, but also for the analysis of subtle drug--cell interactions.

Anti-Bacterial Agents↗

[Immune granulocytopenia in children].

Immune neutropenia in infancy comprises alloimmune neutropenia and autoimmune neutropenia. Both diseases are caused by granulocyte-specific antibodies. Patients are newborns and children, often being younger than three years. Neutropenia usually leads to recurrent mild bacterial infections. Beside the blood count and the bone-marrow smear demonstration of granulocyte-specific antibodies is typical. As neutropenia is self-limiting, most patients require only conservative management. In more severe cases interventions with high-doses of intravenous immunoglobulin or corticoid-therapy are indicated.

Agranulocytosis↗

Discovering objects in a blood recipient information system.

Application of object-oriented (OO) methodologies has been generally considered as a solution to the problem of improving the software development process and managing the so-called software crisis. Among them, object-oriented analysis (OOA) is the most essential and is a vital prerequisite for the successful use of other OO methodologies. Though there are already a good deal of OOA methods published, the most important aspect common to all these methods: discovering objects classes truly relevant to the given problem domain, has remained a subject to be intensively researched. In this paper, using the successful development of a blood recipient information system as an example, we present our approach which is based on the conceptual framework of responsibility-driven OOA. In the discussion, we also suggest that it may be inadequate to simply attribute the software crisis to the waterfall model of the software development life-cycle. We are convinced that the real causes for the failure of some software and information systems should be sought in the methodologies used in some crucial phases of the software development process. Furthermore, a software system can also fail if object classes essential to the problem domain are not discovered, implemented and visualized, so that the real-world situation cannot be faithfully traced by it.

Blood Banks↗