Solid phase microextraction of trace levels of copper in serum samples of hepatitis B patients, on activated carbon cloth modified with an ionic liquid by using a syringe mountable filter technique

2014 ◽  
Vol 29 (12) ◽  
pp. 2362-2370 ◽  
Author(s):  
Salma Aslam Arain ◽  
Tasneem G. Kazi ◽  
Hassan Imran Afridi ◽  
Abdul Rasool Abbasi ◽  
Jameel Ahmed Baig ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Activated Carbon ◽  
Hepatitis B ◽  
Solid Phase Microextraction ◽  
Solid Phase ◽  
Carbon Cloth ◽  
Serum Samples ◽  
Activated Carbon Cloth ◽  
Filter Technique

scholarly journals A novel sorbent based on metal–organic framework for mercury separation from human serum samples by ultrasound assisted- ionic liquid-solid phase microextraction

2019 ◽  
pp. 67-78 ◽  
Author(s):  
*Negar Motakef Kazemi
Keyword(s):  
Ionic Liquid ◽  
Serum Sample ◽  
Solid Phase Microextraction ◽  
Solid Phase ◽  
Metal Organic Framework ◽  
Standard Reference Materials ◽  
Serum Samples ◽  
Metal Organic ◽  
Ultrasound Assisted ◽  
Organic Framework

In this research, the metal–organic framework (MOF) as a solid phase was used for separation mercury [Hg (II)] inhuman serum sample by ultrasound assisted- Ionic Liquid-solid phase microextraction procedure (USA- IL-μ-SPE). Mercury extracted from serum sample by [Zn2(BDC)2(DABCO)]n as MOF at pH=7.8. Hydrophobic ionic liquid ([BMIM] [PF6]) was used as solvent trap for Hg-MOF-NC from the sample solution. The phase of Hg-MOF-NC was back extracted by 0.5 mL of HNO3 (0.2 mol L-1) and finally mercury concentration determined with cold vapor-atomic absorption spectrometry (CV-AAS) after dilution with 0.5 mL of DW. Under the optimal conditions, the linear range, limit of detection and preconcentration factor were obtained 0.02–5.5 µg L−1, 6.5 ng L−1 and 9.8 for serum samples, respectively (%RSD<5%). The validation of methodology was confirmed by standard reference materials (SRM).

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