Now showing items 1-10 of 176
Immunochemical studies on the metabolism of nitrosamines by ethanol-inducible cytochrome P-450
(Elsevier, 1985-04-30)
The ethanol-induced rabbit liver microsomal cytochrome P-450, P-450LM3a, has been shown previously to efficiently catalyze the demethylation of N-nitrosodimethylamine (NDMA) with a Km of 2.9 mM. Since the predominant Km ...
Datura stramonium lectin: isolation and characterization of the homogeneous lectin
(Elsevier, 1981-07-20)
Hydroxylation of benzo[a]pyrene and binding of (-)trans 5-7,8-dihydroxy-7,8-dihydrobenzo[a]pyrene metabolites to deoxyribonucleic acid catalyzed by purified forms of rabbit liver microsomal cytochrome P-450 : Effect of 7,8-benzoflavone, butylated hydroxytoluene and ascorbic acid
(Elsevier, 1980-06-15)
The catalytic activities of hepatic microsornes from untreated, phenobarbital-treated and 3-methylcholanthrene-treated adult rabbits with respect to benzo[a]pyrene hydroxylation and the activation of (-)(rflw-7,8-dihydro ...
Renewed interest in the polyphosphoinositides
(Elsevier, 1984-02)
The significance of the enhanced cellular phosphatidate and phosphatidylinositol turnover which occurs in response to specific extracellular messengers has been the subject of much interest and speculation. Until recently, ...
2-Substituted methyl [alpha]--galactopyranosides: Synthesis and binding affinity for the A and B subunits of the Griffonia simplicifolia I isolectins
(Elsevier, 1985-07-01)
The binding affinities of the N-acetyl, N-trifluoroacetyl, N-propionyl, N-formyl, N-benzoyl, N-p-nitrobenzoyl, N-p-aminobenzoyl, and N-methyl derivatives of methyl 2-amino-2-deoxy-[alpha]--galactopyranoside and the 2-O-acetyl, ...
Identification and DNA sequence of tdcR , a positive regulatory gene of the tdc operon of Escherichia coli
(Springer-Verlag, 1989-09)
Efficient in vivo expression of the biodegradative threonine dehydratase ( tdc ) operon of Escherichia coli is dependent on a regulatory gene, tdcR . The tdcR gene is located 198 base pairs upstream of the tdc operon and ...
Interaction of tRNA transcription factors with satellite I DNA from Xenopus laevis
(Elsevier, 1988-02-29)
A cloned repeat of Xenopus laevis satellite I DNA was tested for the ability to form stable complexes with tRNA transcription factors in vitro. In template exclusion studies, the satellite I DNA competed efficiently with ...
Immunochemical studies on the binding specificity of the blood group Leb specific lectin Griffonia simplicifolia IV
(Elsevier, 1983-05)
The specificity of the Griffonia simplicifolia IV (GS-IV) lectin was studied by quantitative precipitin and quantitative precipitin inhibition assays. The lectin precipitated most strongly with a human H,Leb blood group ...
Histological localization of binding sites of [alpha]-bungarotoxin and of antibodies specific to acetylcholine receptor in goldfish optic nerve and tectum
(Elsevier, 1980-07-21)
Goldfish optic nerve as well as ganglion cell neurites grown in culture selectively bind rhodamine-labeled [alpha]-bungarotoxin following tissue fixation. Binding is competed for by unlabeled bungarotoxin, by carbamylcholine ...
A sequential double-label autoradiographic method that quantifies altered rates of regional glucose metabolism
(Elsevier, 1985-12-30)
An autoradiographic sequential double-label variant of the deoxyglucose method for measurement of local glucose utilization has been developed. This technique takes advantage of the short half-life of the positron emitter, ...