N. Roberts

Publications14
h-index12
Citations3,290
Highly Influential Citations26
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The quantitative histochemistry of brain. II. Enzyme measurements.
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The quantitative histochemistry of brain. I. Chemical methods.
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The fluorometric measurement of pyridine nucleotides.
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
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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
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Quantitative histochemistry of retina. II. Enzymes of glucose metabolism.
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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
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The quantitative histochemistry of the brain. V. Enzymes of glucose metabolism.
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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
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An enzymatic basis for the gluconeogenic action of hydrocortisone.
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ENZYME ACTIVITIES OF GIANT SQUID AXOPLASM AND AXON SHEATH *
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
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