35. "Combination of Thin Film Microextraction and Dispersive Liquid-Liquid Microextraction Method Followed by Ion Mobility Spectrometry for Analyzing of Chlorpyrifos Pesticide from Food and Water Samples", The 22nd Iranian Chemistry Congress, 13-15 May. 2024, Iranian Research Organization for Science & Technology, Tehran, Iran.
34. "The Combination of Dispersive Liquid-Liquid Microextraction Method with Thin Film Evaporation for Extraction of Rivastigmine Drug in Biological Samples before Analyzing by Secondary Electrospray Ionization-Ion Mobility Spectrometry", 27th Iranian Seminar of Analytical Chemistry, 23-25 Aug. 2022, University of Zanjan, Zanjan, Iran.
33. "Separation of the racemic mixture of carvone using modifier drift gas by ion mobility spectrometry", 27th Iranian Seminar of Analytical Chemistry, 23-25 Aug. 2022, University of Zanjan, Zanjan, Iran.
32. "Silica Aerogel Nanoporous Thin Film Microextraction Supported by Organic Solvent as a Sample Preparation Method Prior to Analysis by Ion Mobility Spectrometry", 26th Iranian Seminar of Analytical Chemistry, 25-27 Aug. 2019, University of Semnan, Semnan, Iran.
31. "Ion Mobility Spectrometry; Applications in analyzing chemical compounds", Invited speaker in 4th Iranian Seminar of Applied Chemistry, 23-25 July 2019, Urmia University, Urmia, Iran.
30. "Ion Mobility Spectrometry: Instrumentation and Application", Invited speaker in 23th Iranian Seminar of Analytical Chemistry, 30 Aug.-1 Sept. 2016, Sharif University of Technology, Tehran, Iran.
29. "Polypyrrole/sol-gel composite as a solid phase microextraction fiber coating for the extraction and determination of diazinon in underground water and grape juice samples" 20th Iranian Seminar of Analytical Chemistry, 25-27 February 2014, Isfahan University of Technology, Isfahan, Iran.
28. "Polypyrrole/montmorillonite nanocomposite as a new solid phase microextraction fiber combined with gas chromatography–corona discharge ion mobility spectrometry for determination of organophosphorus pesticides" 20th Iranian Seminar of Analytical Chemistry, 25-27 February 2014, Isfahan University of Technology, Isfahan, Iran.
27. "Low-density solvent-based dispersive liquid–liquid microextraction for the fast determination of ethion in grape and underground water by negative corona discharge ion mobility spectrometry (NCD-IMS)" 20th Iranian Seminar of Analytical Chemistry, 25-27 February 2014, Isfahan University of Technology, Isfahan, Iran.
26. "Determination of venlafaxine in urine and plasma by combining the headspace solid phase microextraction with electrospray ionization ion mobility spectrometry" 20th Iranian Seminar of Analytical Chemistry, 25-27 February 2014, Isfahan University of Technology, Isfahan, Iran.
25. "Determination of diazinon in apple juice and underground water using dispersive liquid-liquid microextraction coupled with corona discharge ion mobility spectroscopy" 20th Iranian Seminar of Analytical Chemistry, 25-27 February 2014, Isfahan University of Technology, Isfahan.
24. "Sol–gel/nanoclay composite as a solid-phase microextraction fiber coating for the determination of organophosphorus pesticides in water samples" 20th Iranian Seminar of Analytical Chemistry, 25-27 February 2014, Isfahan University of Technology, Isfahan.
23. "Recent Developments of Ion Mobility Spectrometry in Analytical Chemistry", Invited speaker in 19th Iranian Seminar of Analytical Chemistry, 26-28 February 2013, Ferdowsi University, Mashhad.
22. "Ion Mobility Spectrometry (IMS): Instrumentation and Application", Invited speaker in 15th Iranian Chemistry Congress, 6-6 September 2011, Bu-Ali Sina University, Hamedan.
21. "Investigation of the capability of positive and negative electrospray ionization ion mobility spectrometry for determination of pioglitazone", 15th Iranian Chemistry Congress, 6-6 September 2011, Bu-Ali Sina University, Hamedan.
20. "Comparison of immiscible organic solvent hollow fiber liquid three phase microextraction and traditional hollow fiber liquid three phase microextraction combined with electrospray ionization-ion mobility spectrometry for the determination of propranolol in biological samples", 15th Iranian Chemistry Congress, 6-6 September 2011, Bu-Ali Sina University, Hamedan.
19. "Molecularly Imprinted Polymer for Selective Solid-Phase Extraction of Phenazopyridine from Pharmaceutical and Serum Sample Analysis Followed by Electrospray Ionization Ion Mobility Spectrometry (MIP-ESI-IMS)", 17th Iranian Seminar of Analytical Chemistry, 12-14 September 2010, Kashan University, Kashan.
18. "Determination of Phenoxy Acid Herbicides in Environmental Water Samples using Microextraction in Packed Syringe and Electrospray Ionization Ion Mobility Spectrometry", 17th Iranian Seminar of Analytical Chemistry, 12-14 September 2010, Kashan University, Kashan.
17. "Determination of salicylic acid using electrospray ionization ion mobility spectrometry (ESI-IMS) in negative mode", 17th Iranian Seminar of Analytical Chemistry, 12-14 September 2010, Kashan University, Kashan.
16. "Three-phase hollow fiber microextraction technique combined with electrospray ionization-ion mobility spectrometry (HF-LLLME-ESI-IMS) was applied for the extraction and simultaneous determination of trimipramine and desipramine in urine and plasma samples", 17th Iranian Seminar of Analytical Chemistry, 12-14 September 2010, Kashan University, Kashan.
15. "Novel selective method based on negative electrospray ionization ion mobility spectrometry (ESI-IMS) for direct analysis of salivary thiocyanate", 17th Iranian Seminar of Analytical Chemistry, 12-14 September 2010, Kashan University, Kashan.
14. "Simultaneous determination of caffeine and theophylline using electrospray ionization source ion mobility spectrometry (ESI-IMS)", 16th Iranian Seminar of Analytical Chemistry, 28-30 July 2009, Bu Ali Sina University, hamedan.
13. "Evaluation of direct axial sample introduction system for unidirectional ion mobility spectrometry", 16th Iranian Seminar of Analytical Chemistry, 28-30 July 2009, Bu Ali Sina University, hamedan.
12. "Application of three-phase microextraction technique coupled with electrospray ionization source ion mobility spectrometry (LLLME-ESI-IMS) for the extraction and determination of pentazocine from biological samples", 16th Iranian Seminar of Analytical Chemistry, 28-30 July 2009, Bu Ali Sina University, hamedan.
11. "Selective separation and determination of primidone in the pharmaceutical and human serum samples using molecular imprinted polymer - electrospray ionization ion mobility spectrometry (MIP-ESI-IMS)", 16th Iranian Seminar of Analytical Chemistry, 28-30 July 2009, Bu Ali Sina University, hamedan.
10. "Simultaneous analysis of caffeine and theophylline using ion mobility spectrometry with electrospray ionization source (ESI-IMS)", 18th International Conference on Ion Mobility Spectrometry, 25-31 July 2009, Thun, Switzerland.
9. "Analysis of sevin, amitraz and metalaxyl pesticides using ion mobility spectrometry", 11th Asian Chemical Congress, 24-26 August 2005, Seoul, Korea.
8. "Quantitative analysis of morphine and noscapine using corona discharge ion mobility spectrometry with ammonia reagent gas", 11th Asian Chemical Congress, 24-26 August 2005, Seoul, Korea.
7. "Identification of Metalaxyl residue in cucumbers using ion mobility spectrometry", 14th Iran's Seminar of Analytical Chemistry, 29-31 August 2005, University of Birjand, Birjand.
6. "Determination of morphine and noscapine using corona discharge ion mobility sperctrometry", 14th Iran's Seminar of Analytical Chemistry, 29-31 August 2005, University of Birjand, Birjand.
5. "Quantitative and qualitative analysis of endosulfan by ion mobility spectrometry", 4th International Iran and Russia Conference "Agriculture and Natural Resources", 8-10 September 2004, Shahrekord, Iran
4. "Investigation of analysis of organophosphorus compounds using ion mobility spectrometry", 12th International Conference on Ion Mobility Spectrometry, July 27 to August 1, 2003, Sweden.
3. "Analysis of carbamat, amidine and alkalin groups of pesticides by ion mobility spectrometry", 13th Iran's Seminar of Analytical Chemistry, 18-20 May 2004, Ferdowsi University, Mashhad.
2. "Detection and identification of organophosphorus compounds using ion mobility spectrometry", 12th Iran's Seminar of Analytical Chemistry, 28-30 Jan 2003, Mazandaran University, Babolsar.
1. "Analysis of nitroaromatic, nitramin and nitrat ester explosives using corona discharge ion mobility spectrometry", 11th Iran's Seminar of Analytical Chemistry, 29-31 Jan 2002, Yazd University, Yazd.