Performance characteristics of a new photometer with a moving filter tape for luminescence assay.
AUTOR(ES)
Picciolo, G L
RESUMO
The performance characteristics of a new photometer that incorporated a reaction system consisting of a movable filtration tape have been studied for use with the firefly luciferase assay for adenosine 5'-triphosphate. Precision, linearity, and sensitivity are given for measuring a graded series of constant-light emitters, concentrations of adenosine 5'-triphosphate, and washed bacterial cells. Precision ranged from 1 to 10% coefficient of variation. The coefficient of correlation was 0.9985 for 7 X 10(8) to 7 X 10(3) bacteria per ml; however, the accuracy decreased at the low levels. The sample processing time was 2 min for a 1-ml sample. This instrument shows potential for many applications in quantitating small numbers of organisms, e.g., pollution, water monitoring, and clinical infection detection.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=242737Documentos Relacionados
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