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Biomedical subjects

G Bennett

Publications and source records attributed to G Bennett.

155 records · Page 9Linked to original sources
PubMedDate not supplied

Magnetic resonance profiling studies of the drying of film-forming aqueous dispersions and glue layers.

We report magnetic resonance profiling experiments to monitor (i) the drying of alkyd emulsion layers, (ii) the cure of wood glue layers and (iii) water transport through glue lines. The alkyd drying is a two stage process. We report new results which support previous evidence that the alkyd drops do not coalesce until the water fraction is below circa 0.02. The profiles recorded from glue layers suggest that MR is a sensitive probe of the curing process and barrier properties of the glue. The measurements were made using GARField (stray field, STRAFI like) magnetic resonance profiling and an improved GARField magnet design characterized by two values of the gradient-to-field strength ratio at two locations offering the same field strength is also reported.

Adhesives↗
PubMedDate not supplied

Apoptotic index from fine needle aspiration cytology as a criterion to predict histologic grade of non-Hodgkin's lymphoma.

OBJECTIVE: To investigate whether the assessment of apoptotic index (AI) from fine needle aspiration (FNA) smears of non-Hodgkin's lymphomas (NHL) is reliable and has potential utility as a criterion to predict histologic grade. STUDY DESIGN: AI was independently determined by four cytopathologists as a percentage from routine FNA smears in 96 NHLs and 15 lymphoid hyperplasias. Working formulation (WF) grades from corresponding surgical biopsies were modified to include mantle zone-derived NHLs as intermediate grade and to make diffuse large cell NHL a separate category called "high" grade, whereas WF high grade NHLs were called "very high" grade. Histologic grades were also derived from the Revised European American Lymphoma (REAL) classification. AI was compared with histologic grade using the unpaired, two-tailed Student t test. These data were used to determine potential thresholds for AI that separate lower from higher grade NHLs. RESULTS: Measurements of AI strongly correlated between cytopathologists (median r = .93). Low and intermediate grade NHLs had indistinguishable AIs, whereas higher grade NHLs had significantly higher AIs. Appropriate potential AI thresholds between low or intermediate grade and higher grade NHLs were in the range of 1.5-2.5% (modified WF) and 1-2% (REAL). CONCLUSION: There is excellent interobserver reliability in the measurement of AI from FNAs of NHLs. Higher AIs distinguish higher from lower grade NHLs. Diffuse large cell NHLs had AIs that were similar to WF high grade NHLs.

Apoptosis↗
PubMedDate not supplied

Moderate drinking in women: a concept analysis.

This analysis clarifies the concept of moderate drinking in women. The literature reflects a variety of definitions of moderate drinking and refers largely to drinking in men. Several strategies for concept analysis suggested by Walker and Avant (1995) resulted in the formulation of a theoretical definition of moderate drinking in women applicable to practice and research. The defining attributes of women's moderate drinking in contemporary U.S. culture include (1) minimization of risks of alcohol-related problems, (2) a desire for any potential health benefits, (3) deliberate adoption of personal drinking guidelines based on some knowledge of the effects of alcohol, (4) control of when and how much alcohol is consumed, (5) sensitization to special drinking considerations faced by women, and (6) having at least one interpersonal relationship with another moderate drinker.

Adult↗