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Faheem Shah,Naeemullah,Tasneem Gul Kazi,Rafaqat Ali Khan,Murtaza Sayed,Hassan Imran Afridi,Khizar Hussain Shah,Jan Nisar 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.48 No.-
A novel restricted access sorbents based micro solid phase extraction (RAS-mSPE) for the extraction ofheavy metal from biological samples has been developed. Cadmium (Cd) and manganese (Mn) weredirectly extracted skipping the tedious, time consuming and expensive sample preparation stepexcluding all of the existing proteins. Sorbent’s (activated carbon cloths) surface was modified withbovine serum albumin through glutaraldehyde to make restricted access sorbent (RAS). Differentvariables affecting the extraction efficiency were selected for optimization. The limits of detectionobtained for Cd and Mn were 0.252 and 0.214 mg L 1, respectively. Analyte recoveries in fortified humanwhole blood serum and milk samples were found in the range of 90.3–103.9%. The procedure waseffectively used for Cd and Mn extraction in real samples devoid of any pretreatment step.