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Biomedical subjects

R C Hall

Publications and source records attributed to R C Hall.

At least 91 records · Page 5Linked to original sources
PubMed1984

Rat testes interstitial cell nuclei exhibit three distinct receptors for retinoic acid.

Purified nuclei from rat testes interstitial cells were incubated with an equimolar complex of [3H]retinoic acid and purified cellular retinoic acid-binding protein (cRABP) and with ATP. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis and radiofluorographic analysis of the nuclear fractions indicated the presence of 3 highly labeled receptors for retinoic acid which were distinct from cRABP. These data demonstrate that retinoic acid binds to 3 novel nuclear acceptors of which cRABP does not appear to be a part.

Adenosine Triphosphate↗
PubMed1984

Medishield AGS system and servo 900 ventilators. Investigation and remedy of hazard caused by defeat of 'low expired minute volume' alarm.

The use of the new Medishield anaesthetic gas scavenging system with ventilators in the Siemens-Elema Servo 900 series was investigated. It was discovered that this combination of equipment creates the hazard that a disconnexion in the patient breathing system may not be detected by the ventilator alarm. This happens because the suction generated by the scavenging system draws a considerable flow of room air through the expiratory system of the ventilator when a disconnexion occurs. Possible solutions to the problem were investigated, and it was discovered that the problem can be overcome by applying a small amount of positive end-expiratory pressure to counteract the suction from the scavenging system.

Air Pollution↗