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25 years of on the job experience in academia and research dealing with the characterization of and data interpretation of various nanomaterials such as Nanocatalysts, Polymer nanocomposites, and adsorbents employing state of the art techniques such as Analytical Electron Microscopy (SEM, 
 TEM, AFM) , X-ray Diffraction as well as various Chromatographic and Spectroscopic Techniques such as HPLC, GC, Mass Spectroscopy, UV VIS NIR Spectroscopy, and FTIR Spectroscopy.

FEI Academy

Petroleum Institute

Major

Kerala University

Senior Research Engineer

Samuel Stephen

Khalifa University

Electron microscopy suite of Central Analytic Facility. 
 
 
 Independent management of Electron microscopy suite which houses SEM and HR TEM. Involved in imparting training, assistance, and support for the scientific populace of the university as well as the external collaborators for addressing the material characterization requirements utilizing Analytical 
 Microscopic techniques such as TEM - EDS-GIF - EFTEM - EELS/STEM as well as SEM/EDS. 
 
 Characterization and data interpretation of novel	 materials catalysts, 	 polymer	 graphene nanocomposites, carbon nanomaterials using techniques such as Gas adsorption e.g. BET and 
 CHEM BET, UV Vis NIR, FTIR, FT Raman Spectrometers and gravimetric technique such as 
 TGA 
 
 Characterization and results interpretation of various nanomaterials synthesized in-house as well as from external collaborations utilizing wide-angle X-ray Diffraction techniques. 
 
 Hydro Desulfurization reaction studies using GC/MS and HPLC/MS 
 
 Assists researchers in identifying and setting up the proper techniques, tools, and methods in their material characterization studies. 
 
 Periodic maintenance, initial troubleshooting and follow up with the vendor/service agent for the scheduled visits and service calls. 
 
 Facility modifications and amendments for future needs in line with the HSE norms. 
 
 Annual budget preparation, initiating, technical evaluation and processing orders for new equipment, chemicals/consumables procurement and commissioning in the best interest of the Project/Institute.

Electron microscopic analysis and testing of various nanomaterial samples and finished products using techniques such as SEM/EDS 
 
 Teaching the theory and laboratory-based courses Inorganic chemical analysis, Organic 
 Chemistry, 	 Chromatographic	 and	 Spectroscopic	 analysis, 	 preparing	 new	 course materials/folders in line with the curriculum requirements. 
 
 Supervision of the student dissertation projects as part of the curriculum 
 
 Independent handling of material characterization laboratories that house equipment such as GC, 
 HPLC, UV VIS NIR, FTIR, and Atomic Absorption Spectrophotometer. 
 
 Responsible for the safety affairs of the laboratory which involves the periodical checks, upgrading 
 
 the safety equipment and devices, implementation of new safety protocols and procedures. 
 
 From 1995 June - 2002 August 
 Analytical instrumentation lab of Zayed Complex for Herbal Research & Traditional Medicine under the Ministry of Health, Abu Dhabi asa 'Research assistant 
 
 
 Independent handling & maintenance, of different sophisticated analytical equipment 
 
 Report writing and up keeping of experimental records, preparation of SOPs Standard Operating 
 Procedure for each equipment and various assays of both internal and external samples. 
 
 Instrument validation, method validation, method documentation & software-assisted system suitability performance evaluation for ISO Accreditation 
 
 Method development, validation, execution & documentation for pesticide residue and heavy metals analysis as well as other types of various assays using HPLC, LC/MS, GC/MS, and Atomic 
 Absorption Spectrometry. 
 
 Standardization, quality control, fingerprinting and pattern recognition of various pharmaceutics and natural products using various chromatographic and spectroscopic techniques. 
 
 Imparting hands-on training to the junior staff in accomplishing the sophisticated Instrumental analyses. 
 
 Software assisted inventorying and database of chemicals, consumables, and instruments.

Higher Colleges of Technology

Lab Instructor

Independent handling & maintenance, of different sophisticated analytical equipment

Report writing and up keeping of experimental records, preparation of SOPs Standard Operating
Procedure for each equipment and various assays of both internal and external samples.

Instrument validation, method validation, method documentation & software-assisted system suitability performance evaluation for ISO Accreditation

Method development, validation, execution & documentation for pesticide residue and heavy metals' analysis as well as other types of various assays using HPLC, LC/MS, GC/MS, and Atomic
Absorption Spectrometry.

Standardization, quality control, fingerprinting and pattern recognition of various pharmaceutics and natural products using various chromatographic and spectroscopic techniques.

Imparting hands-on training to the junior staff in accomplishing the sophisticated Instrumental analyses.

Software assisted inventorying and database of chemicals, consumables, and instruments.

Zayed Complex for Herbal Research, Health Authority, Abu Dhabi.

Research Assistant

Onsite analysis of various physical & chemical properties of drilling fluids in various oil wells of Oil and Natural Gas Corporation 
 Analysis of total petroleum hydrocarbons TPHs using GC & GC/MS for pattern recognition and fingerprinting. 
 
 Instrumental Skills 
 ➢ High-Resolution Transmission Electron Microscope TEM 
 ➢ Scanning Electron Microscope/EDS SEM 
 ➢ Wide-angle X-ray Diffraction analyzer 
 ➢ TGA DSC/Mass Spectrometer 
 ➢ Atomic Absorption Spectrophotometer Flame and Furnace 
 ➢ FTIR, UV VIS NIR, and Raman Spectrometers. 
 ➢ CHNS - O Analyzer, Sulphur in Oil analyzer and TOC analyzer 
 ➢ Physisorption and Chemisorption Analyzers 
 ➢ G C/MS & LC/MS and ICP MS 
 ➢ GPC and Ion Chromatography

Samuel Stephen’s posts