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The quantitative histochemistry of brain. II. Enzyme measurements.
The quantitative histochemistry of brain. I. Chemical methods.
The fluorometric measurement of pyridine nucleotides.
- O. H. Lowry, N. Roberts, J. I. Kapphahn
- Medicine, Biology
- The Journal of biological chemistry
- 1 February 1957
Measurement of DPNH’ or TPNH by absorption at 344 rnp has been a standard procedure for many years and has been used to study innumerable enzyme reactions. In spite of the proved value of this… Expand
The quantitative histochemistry of the retina.
It was previously reported that lactic and malic dehydrogenases are distributed according to strikingly different patterns in the various layers of the retina (1). This suggested that the layers… Expand
Quantitative histochemistry of retina. II. Enzymes of glucose metabolism.
Glucocorticosteroids and transaminase activity. I. Increased activity of glutamicpyruvic transaminase in four conditions associated with gluconeogenesis.
The gluconeogenic action of glucocorticosteroids and the negative nitrogen balance induced by this class of hormones point to the involvement of these agents at some biochemical site concerned with… Expand
The quantitative histochemistry of the brain. V. Enzymes of glucose metabolism.
Corticosteroids and transaminase activity: the specificity of the glutamic-pyruvic transaminase response.
Marked increases (2 to 5-fold) in glutamic-pyruvic transaminasc activity were observed in the livers of rats given cortisol, cortisone or several other corticosteroids subcutaneously for 4… Expand
An enzymatic basis for the gluconeogenic action of hydrocortisone.
ENZYME ACTIVITIES OF GIANT SQUID AXOPLASM AND AXON SHEATH *
- N. Roberts, R. Coelho, O. H. Lowry, E. Crawford
- Chemistry, Medicine
- Journal of neurochemistry
- 1 December 1958
FROM one giant axon of the squid, Loligo pealii can be obtained up to 5 pl of pure axoplasm, i.e. enough for direct chemical analysis. This offers an unusual opportunity to establish the composition… Expand