The fate of bacteria in human urine was studied after inoculation of small numbers of Escherichia coli and other bacterial strains commonly implicated in urinary tract infection. Urine from normal individuals was often inhibitory and sometimes bactericidal for growth of these organisms. Antibacterial activity of urine was not related to lack of nutrient material as addition of broth did not dec...

Infection is an inevitable consequence of chronic urinary catheterization with associated problems of recurrent catheter encrustation and blockage experienced by approximately 50% of all long-term catheterized patients. In this work, we have exploited, for the first time, the reported pathogen-induced elevation of urine pH as a trigger for "intelligent" antimicrobial release from novel hydrogel...

N1-methylnicotinamide (MNA) is found in urine as an assymilation product when administered as nicotinic acid or nicotinamide. MNA was extracted from urine as a pure product and its physicochemical properties reported (4-6). Its maximum adsorption is reported by Hochberg, Melnick, and Oser (4) to lie at 265mƒÊ, E1cm1% 265mƒÊ=258 at pH 9.7. It is stable in urine in the dark for one week, even in ...

that big, big prolactin is preferentially secreted in women with hyperpro-lactinemia and normal ovarian function. Characterization of a large molecular weight prolactin in women with idiopathic hyperprolactinemia and normal menses. Delayed diagnosis of psychological erectile dysfunction because of the presence of macropro-lactinemia. Endogenous antibodies against prolactin–a " new " cause of hy...

OBJECTIVE To assess the effect of dietary potassium citrate supplementation on the urinary pH, relative supersaturation of calcium oxalate and struvite (defined as the activity product/solubility product of the substance), and concentrations of magnesium, ammonium, phosphate, citrate, calcium, and oxalate in dogs. ANIMALS 12 healthy adult dogs. PROCEDURE Canned dog food was fed to dogs for ...

The cetylpyridinium chloride turbidity screening test for glycosaminoglycan excretion discussed by Manley, Severn, and Hawksworth (1968) has been used in this laboratory. In this method (cetylpyridinium chloride turbidity) the precipitation time of four minutes is critical since, after this time interval, turbidity may continue to rise or may fall due to aggregation of particles. As a result of...

Viable ova of Ascaris lumbricoides, an indicator organism for pathogens, are frequently found in feces-derived compost produced from ecological toilets, demonstrating that threshold levels of time, temperature, pH, and moisture content for pathogen inactivation are not routinely met. Previous studies have determined that NH(3) has ovicidal properties for pathogens, including Ascaris ova. This r...