TY - GEN AU - Hemmati,Maryam AU - Rajabi,Maryam AU - Asghari,Alireza TI - Efficient and clean pre-concentration of ultra-trace calcium channel blockers from biological matrices via a hyphenated procedure of two sequential dispersive solid/liquid phase microextractions SN - 1873-4324 PY - 2018///0212 KW - Adsorption KW - Analytic Sample Preparation Methods KW - methods KW - Calcium Channel Blockers KW - analysis KW - Liquid Phase Microextraction KW - Nanostructures KW - chemistry KW - Solid Phase Microextraction KW - Solvents N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/j.aca.2017.01.001 ER -