| Autor: |
Brown, Kurt J, Lines, David R |
| Zdroj: |
Immunology and Cell Biology; August 1978, Vol. 56 Issue: 4 p507-511, 5p |
| Abstrakt: |
SummaryVariation in the inhibition of growth of Escherichia coli and Shigella sp. in various media containing β-2-thienylalanine was attributed to differences in concentrations of Mg++ions.Random blood samples from 112 infants were tested for elevated phenylalanine in the phenylketonuria (PKU) screening assay. Magnesium ion levels also affected the results of this assay. At 0·05 g/l MgS04, the concentration present in commercial PKU test agar, four false positives were detected, while no readings could be made due to overgrowth of the Bacillus subtilis test strain when the concentration was increased to 0·1 g/l.Australian Journal of Experimental Biology and Medical Science (1978) 56, 507–511; doi:10.1038/icb.1978.57 |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
|
