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Biomedical subjects

J Janata

Publications and source records attributed to J Janata.

49 records · Page 3Linked to original sources
PubMed1978

[Combined intra-uterine and ectopic pregnancy following the treatment with clomiphen (author's transl)].

Report on a case of combined pregnancy in a 25 year old patient who was treated with Clomiphen for anovulatory cycles. The left tubal pregnancy was removed at 12 weeks gestation. The intra-uterine pregnancy resulted in a term delivery of a 3 kg. 670 g. normal infant. Combined pregnancies rarely occur without treatment with ovulation inducing agents by superfecundation and superfetation. Ovulation inducing agents increase the theoretical possibility of combined pregnancy. Obstetricians should be alert to the possibility of combined pregnancy following induction of ovulation.

Adult↗
PubMed1976

Chemically sensitive field-effect transistors.

The present state of the art and trends in development of chemically sensitive field-effect transistors are reviewed. In the theoretical section, a brief description of principles, temperature sensitivity, stability and the question of a reference electrode are discussed. In the practical section some aspects of the design and recommendations for device evaluation procedures are given. The article concludes with the authors' view of future development, particularly with respect to biomedical applications.

Electrochemistry↗
PubMedDate not supplied

In vivo continuous monitoring of K+ in animals using ISFET probes.

Potassium ion sensitive field effect transistor probes have been developed and tested in various clinical applications involving continuous monitoring of serum and interstitial fluid potassium levels. Initial results are presented that demonstrate the importance of continuous monitoring of serum and/or IF K+. Probe construction, calibration, and in vivo placement techniques are described. Use of continuous monitoring that ChemFET probes provide offers the potential for much improved management of patients recovering from many types of clinical disease states that may involve electrolyte abnormalities. Further studies are in progress that will provide additional insight into electrolyte dynamics among the various fluid compartments of the body in response to various physiological stresses.

Animals↗