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A clinical comparison of antibacterial mouthrinses: effects of chlorhexidine, phenolics, and sanguinarine on dental plaque and gingivitis.
The results support previous published results on the superiority of 0.12% chlorhexidine when used in conjunction with professional care and as an adjunct to routine oral hygiene practices.
Analysis of plant sterol and stanol esters in cholesterol-lowering spreads and beverages using high-performance liquid chromatography-atmospheric pressure chemical ionization-mass spectroscopy.
Application of the hyphenated technique-LC-MS-allowed differentiation between a number of esters of sitosterol, campesterol, stigmasterol, and (tentatively) avenasterol, as well as sitostanol and campestanol esters, and showed good linearity, precision, and reproducibility.
Tetramethylbenzidine--a substitute for benzidine in hemoglobin analysis.
3,3',5,5'-tetramethylbenzidine is used for hemoglobin determinations in the range of 1 to 100 mg/dl, and the sensitivity of TMB is at least seven times that of benzidine under comparable conditions.
Hemolytic properties of special materials exposed to a shear flow, and plasma changes with shear.
Three types of materials of special interest to the NIH Biomaterials Program were evaluated for their tendency to induce hemolysis when exposed to a laminar blood flow between rotating parallel
The effects of antibiotics on hemolytic behavior of red cells
Human blood was sheared between rotating polyethylene disks and plasma hemoglobin measured at intervals to produce kinetic hemolysis curves (KHC), plotted as free hemoglobin concentration vs time.
Method for predicting fill weight variation when packing powders using vacuum/purge fillers.
For at least four pharmaceutical powders, the variation in fill weight associated with a vacuum/purge filling port is correlated with the length-diameter ratio of that port, and a design curve based on production data is presented, which depicts this relationship over a wide range of length-Diameter ratios.