Central Laboratory for Analysis and Testing 

March 2007- August 2008

Tunis, Tunisia · On site

Focus Area: Food Safety – Antibiotics, Hormones, and Heavy Metal Detection

Key Tasks and Responsibilities:

Food Safety Analysis:

1. Chemical and Biological Testing:

   • Performed quantitative analysis of antibiotics and hormones in food samples using ELISA techniques.

   • Conducted heavy metal detection in food and water samples using flame atomic absorption spectrometry.

   • Ensured precision and accuracy in all analytical measurements, adhering to international food safety standards.

2. Sample Preparation and Handling:

   • Processed and prepared food and water samples for chemical and biological testing, ensuring contamination-free protocols.

   • Maintained a systematic workflow for sample receipt, labeling, storage, and disposal.

Instrument Operation and Maintenance:

1. Analytical Equipment:

   • Operated, calibrated, and maintained ELISA readers and flame spectrometry equipment to ensure reliable performance.

   • Performed routine checks and troubleshooting to minimize downtime and maintain quality assurance.

2. Quality Control:

   • Monitored the performance of testing equipment through regular quality control checks and validation of methods.

   • Implemented and adhered to Standard Operating Procedures (SOPs) for laboratory instruments and testing methods.

Compliance and Reporting:

1. Regulatory Standards:

   • Ensured testing procedures complied with Tunisian and international food safety standards (e.g., Codex Alimentarius, ISO standards).

   • Participated in internal and external audits to maintain laboratory certification and accreditation.

2. Documentation and Reporting:

   • Documented all experimental procedures, results, and observations in detailed laboratory reports.

   • Prepared analysis reports for stakeholders, summarizing findings and recommendations for food safety measures.

Research and Development:

1. Method Development:

   • Developed and optimized ELISA protocols for new analytes in food matrices.

   • Researched alternative analytical methods to enhance detection sensitivity and accuracy for hormones, antibiotics, and heavy metals.

2. Collaboration:

   • Worked with multidisciplinary teams to investigate food safety issues and recommend mitigation strategies..

Laboratory Safety:

1. • Maintained strict adherence to laboratory safety protocols to protect personnel and ensure safe handling of hazardous chemicals.

   • Conducted risk assessments for testing procedures and laboratory operations.