National Center for Biotechnology Information NCBI NLM MEDLINE pubmed abstract nih national institutes of health national library of medicine models research support non-u.s. gov't soil pollutants / analysis* Water Pollutants electrodes molecular structure oxidation-reduction calibration chemical carbon / chemistry* chemical / analysis* limit of detection soil pollutants / chemistry pmid:20875582 doi:10.1016/j.talanta.2010.07.085 tuba sarigül recai inam hassan y aboul-enein electrochemical techniques* / instrumentation electrochemical techniques* / methods herbicides / analysis* herbicides / chemistry sulfonylurea compounds / analysis* sulfonylurea compounds / chemistry chemical / chemistry