Biomedical subjects

G McGibbon

Publications and source records attributed to G McGibbon.

5 recordsLinked to original sources

PubMed1997

The ward sister/charge nurse as 'on site' manager.

The traditional role of ward sister/charge nurse has been redefined as ward manager with the devolving of many new responsibilities, including acting as 'on site' manager out of hours. Using a self-report questionnaire, the study explored the experiences of all ward managers performing hospital cover within one hospital (n = 18). Common problems encountered included arranging cover for staff absence at short notice and bed management. The sample group viewed the addition of hospital cover as an appropriate development in the role of ward manager. However, few gained any job satisfaction from the role, citing growing time commitment, increasing absence from clinical areas and feelings of stress as possible causes. In addition, the study highlighted the lack of preparation ward managers had received before involvement with hospital cover.

Humans↗

PubMed1996

Clinical supervision for expanded practice in ENT.

Changes in health-care delivery have led to opportunities for expanded practice for nurses. Expanded practice can involve sharing responsibilities with medical staff. Clinical supervision is an important element in the development of professional skills.

Education, Nursing, Continuing↗

PubMed1991

Ion permeability through bilayer lipid membranes for biosensor development: control by chemical modification of interfacial regions between phase domains.

Based on the results of studies on cystic fibrosis, which implicated hydroxystearic acid (HSA) as a contributing factor in altered biomembrane function, solvent-free bilayer lipid membranes (BLMs) and monolayer films were prepared from a lipid mixture containing (by mass) 34% phosphatidylcholine, 19% dipalmitoylphosphatidyl serine, 47% cholesterol and variable amounts of 10- and 12-HSA (0-50%). Ion currents, resulting from K+ permeation through BLMs that were supported in 0.1 mol dm-3 KCl solutions buffered to pH 7.4, were monitored with use of a d.c. circuit. The structures of monolayer films at the air-water interface of a Langmuir-Blodgett trough were studied by pressure-area correlations and by further correlation with microscopic phase separation as revealed by fluorescence microscopy. In order to elucidate the role of the hydroxyl moieties in ion permeability, the transmembrane ion current was corrected for the effect of the negative surface charge of the carboxylic acid by replacement of the HSA component with stearic acid. The ion current was found to increase with the molar proportion of the HSAs. Two models for ion conduction through BLMs were considered: 'hopping' via hydrophilic sites within the hydrophobic zone of the BLMs, introduced by the hydroxyl moiety of 10- or 12-HSA; and transport through interfacial regions between phase domains that represent areas of low steric density and low structural order within monolayers. Although the two mechanisms are not distinct, the ion permeability results indicate a change in the response of ion current to HSA concentration at 35 mol-%, suggesting a change in the relative proportion of the mechanisms.(ABSTRACT TRUNCATED AT 250 WORDS)

Biosensing Techniques↗

PubMedDate not supplied

How to avoid the pitfalls of questionnaire design.

This article discusses how questionnaires are constructed and used. Question choice and construction plus the allocation of codes to analyse answers are discussed. A second article on this subject, due to appear in Nursing Times on June 4, will examine questionnaire layout, issues of reliability and validity and questionnaire piloting.

Data Interpretation, Statistical↗

PubMedDate not supplied

How to make a questionnaire work.

This article is the final one in a series on compiling a questionnaire, and it examines layout, issues of reliability and validity and piloting.

Ethics, Nursing↗