STRATEGIES FOR IMPROVING SELECTIVITY AND SENSITIVITY OF SCHIFF BASE FLUORESCENT CHEMOSENSORS FOR TOXIC AND HEAVY METALS

Strategies for Improving Selectivity and Sensitivity of Schiff Base Fluorescent Chemosensors for Toxic and Heavy Metals

Toxic cations, including heavy metals, pose significant environmental and health risks, necessitating the development of reliable detection methods.This review investigates the techniques and approaches used to strengthen the sensitivity and selectivity of Schiff base fluorescent chemosensors designed specifically to detect toxic and heavy metal ca

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Plague and the Human Flea, Tanzania

Domestic fleas were collected in 12 villages in the western Usambara Mountains in Tanzania.Of these, 7 are considered villages with high plague Straining Bag frequency, where human plague was recorded during at least 6 of the 17 plague seasons between 1986 and 2004.In the remaining 5 villages with low plague frequency, plague was either rare or unr

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