Abstract
Cancer accounted around 13% of all deaths in 2008. About 70% of all cancer deaths occurred in low and middle income countries. Deaths from cancer worldwide are projected to continue to rise to over 13.1 million in 2030. Previous reports indicated that reservoir such as rivers and lakes contain various carcinogenic compounds. The carcinogens are being transported from the release points to the intake points. To avoid this phenomenon happen, the fast and accurate detection of carcinogens concentrations in water is crucial. This review presents automated detection methods of carcinogenic compounds in watercourses. Automated detections, particularly the application of sensors, have a relatively higher speed and sensitivity compared to chemical and biological approaches. However, sensors application limits on its functions. This review gives a description on the history of automated detections and various types of sensors such as automated optical sensor, submersible ultraviolet fluorometer sensor, photoelectrochemical sensor with the detection of DNA damage and trihalomethanes (THMs) sensor for detection of carcinogenic compounds. Sensors are varied according to specific types of carcinogens.
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