عنوان Nano structured star like sorbent for microextraction in packed syringe نوع پژوهش مقاله ارائه شده کلیدواژهها star like sorbent, packed syringe, microextraction چکیده Star like poly ionic dendrimer with nano silica core were synthesized and characterized by FT-IR and NMR. And its efficiency were evaluated for preconcentration of bis phenol A in environmental and packed mineral water samples by HPLC. پژوهشگران نسیم محمدنژاد (نفر اول)، امیر عباس متین (نفر دوم)، ناصر صمدی (نفر سوم)، حسن ولی زاده (نفر چهارم)