In a series of proof-of-idea experiments.
Furthermore to helping solve drinking water problems in underdeveloped countries, this new approach may possibly also address a few of the drawbacks connected with treated drinking water in more developed nations, Morey said. Methods presently used to treat water – – chlorine and ultraviolet light – – could be expensive to operate and the results of the procedure itself make a difference the flavor and smell of the drinking water. Although these methods have been employed for years, problems can emerge after the treated water enters the distribution system, where pathogens are present also. For this reason, water is often over-chlorinated at the plant so that it remains in high more than enough concentrations in the pipes to neutralize pathogens. This explains why people living the nearer to a treatment plant will be more likely to flavor or smell the chemical than those farthest from the plant, the researchers said.The findings appear in the current problem of the CDC’s journal Morbidity and Mortality Weekly Survey.
A dark lesion with a predominant globular pattern Melanomas with a predominantly nested pattern produce a predominantly globular design and may lack a definite pigment network on dermoscopy. Case presentation Over an eight-month period, a 74-year-old girl developed an enlarging dark lesion on the medial aspect of her left foot .Dermoscopy revealed an asymmetrical lesion with an irregular border. The globules had been separated by irregular pale patches including many dark pigment dots. There is no well-created pigment network. The excision biopsy showed an epidermis with huge nests of deeply pigmented atypical melanocytes.