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Complete Relative Stereochemistry of Maitotoxin
By addressing the relative stereochemistry of the four acyclic portions via organic synthesis, the complete relative stereochemistry of maitotoxin (MTX) has been established as 1B. The relative… Expand
The Stereochemical Assignment and Conformational Analysis of the V/W- Ring Juncture of Maitotoxin
Erythrocyte arginase, pyrimidine 5'-nucleotidase (P5N), and deoxypyrimidine 5'-nucleotidase (dP5N) as indices of lead exposure.
The activities of three erythrocyte (rbc) enzymes, arginase, pyrimidine 5'-nucleotidase (P5N), and deoxypyrimidine 5'-nucleotidase (dP5N), were compared in 16 lead workers and 14 age matched controls… Expand
Erythrocyte membrane microviscosity and phospholipid composition in lead workers.
- L. Cook, S. Stohs, C. Angle, T. I. Hickman, R. C. Maxell
- Chemistry, Medicine
- British journal of industrial medicine
- 1 December 1987
The microviscosity and fluidity of erythrocyte ghost membranes from lead workers and control subjects was measured by fluorescence polarisation using the fluorophore, 1,6-diphenyl-1,3,5-hexatriene… Expand
The Stereochemical Assignment and Conformational Analysis of the V/W-Ring Juncture of Maitotoxin
The unambiguous stereochemical assignment of the V/W-ring juncture of maitotoxin, as shown in Figure 1, was accomplished using a two-step approach: (1) the synthesis of two diastereomeric models… Expand
Assay of human erythrocyte pyrimidine and deoxypyrimidine 5'-nucleotidase by isocratic reversed-phase high-performance liquid chromatography.
We report a rapid and reproducible assay for activity of human erythrocyte pyrimidine 5'-nucleotidase and deoxypyrimidine 5'-nucleotidase. The nucleotides CMP, UMP, dUMP, dCMP or dTMP are… Expand
Prediction of blood lead by HPLC assay of erythrocyte pyrimidine 5'-nucleotidase.
A simplified preparation of erythrocytes (rbc) for rbc pyrimidine 5'-nucleotidase (P5N) is described and correlated with blood lead. Washed but unfiltered rbc are incubated with uridine monophosphate… Expand
Erythrocyte pyrimidine 5'-nucleotidase and deoxynucleotidase isozymes: metallosensitivity and kinetics.
- L. Cook, C. Kubitschek, S. Stohs, C. Angle
- Chemistry, Medicine
- Drug and chemical toxicology
- 1 June 1988
Erythrocytes from a subject with classical pyrimidine 5'-nucleotidase (P5N) deficiency (PND) possessed typically low nucleotidase activity with uridine 5'-monophosphate (UMP) and cytidine… Expand
881 ERYTHROCYTE PYRIMIDINE 5′ NUCLEOTIDASE ISOENZYMES IN CONGENITAL DEFICIENCY AND IN LEAD EXPOSURE
Red blood cell (rbc) pyrimidine 5' nucleotidase deficiency (P5N) is a cytosolic enzyme system that dephosphorylates CMP, UMP, dCMP, dUMP and dTMP. The kinetics and metallosensitivities of enzyme… Expand