سعد حسين سعد القحطاني

Work experience: - 

March 1992-Sep 2004: Biology teacher. - 

Oct 2004–Dec 2007: lecturer in biology department, teachers’ college-KSU. Riyadh. - 

Dec 2007- Sep 2011: assistant professor, biology department, teachers’ college-KSU. Riyadh. - 

Sep 2011 – Sep 2012: associate professor in science department, teachers’ college-KSU. Riyadh. - 

Dec 2010- Sep 2012: director of research center. - Sep 2011 – Oct 2012: vice dean of development and quality teachers’ college-KSU. Riyadh. -

Sep 2015 – Present: full professor, zoology department, science college-KSU. Riyadh. - 

Dec 2013 – Present: part-time consultant in ministry of education, equivalence of certificates. - 

Aug 2017- 2019: director of research center, science college-KSU. Riyadh. - July 2018- present: member of scientific research ethic committee-KSU. Riyadh.

* I have significantly evaluated my practical and laboratory skills and I am now experienced with many biological techniques such as: # Histological microtechniques. # Cell culture technique. # DNA: Isolation, purification, cloning, sequencing, electrophoresis and RFLP-analysis. # RNA: Isolation and cDNA-synthesis. # Normal PCR. # Reverse transcription PCR. # Quantitative real-time PCR. # MACS (Magnetic activated cell sorting)-analysis. # Flow cytometry technique. # Western blotting technique. # ELISA technique. # cytogenetic assays techniques. # Protein array.