Andreia Marques
Saugus,United States
Summary
Medical Laboratory Scientist with extensive experience in high-complexity clinical laboratories and emergency/urgent care hospitals, providing diagnostic support for critical patients, including Pediatric ICU. Expertise in microbiology, hematology, biochemistry, immunology, coagulation, molecular diagnostics, phylogenetic analyses, and leukemia diagnostics.
Proven experience in bacterial identification and antimicrobial resistance testing, fresh fungi examination, BAAR bacilloscopy, Gram staining and bacterial morphology, bacterial plate reading, conventional and Real-Time PCR, DNA/RNA extraction, genetic sequencing, immunochromatographic assays, ELISA, and electrochemiluminescence immunoassays.
Demonstrated leadership in laboratory management and patient safety committees, coordinating teams and implementing best laboratory practices. Skilled in blood collection and cytological sampling, ensuring safe patient handling. Trains laboratory technicians and assistants in vocational courses, focusing on analytical techniques and quality control.
Proficient in operating key laboratory analyzers, including Sysmex (hematology), BioClín BS6000 (biochemistry), and BD Phoenix (microbiology). Recognized for precision, strong attention to detail, advanced analytical skills, leadership, and commitment to patient safety and laboratory excellence.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Clinical Laboratory Scientist
Alpha Clinic Diagnostic Laboratory
02.2022 - 01.2025
- Perform tests and analyses a variety of samples, specimens, materials for microorganisms infection following standardized analytical procedures;
- Set up ID/AST using manual and automated methods;
- Prepare reagents and set up of culture using several agar plates;
- Identifies several types of parasites, bacteria, fungus, virus from different biological specimens;
- Perform routine maintenance on laboratory equipments;
- Maintain records and documentation of critical values and quality control results;
- Carries out microscopic studies such as Gram Stain, Trichrome Stain, Ova & Parasite, Calcofluor White Stain; AFB stain;
- Assists in the training of new laboratory personnel;
- • Perform high-complexity testing across hematology, microbiology, serology, urinalysis, and body fluids.
• Conduct manual cell counts using Neubauer chamber and prepare differential smears.
• Operate Sysmex hematology analyzers to perform complete blood counts, including leukocyte, erythrocyte, and platelet counts, as well as hematimetric indices, with precision and efficiency. - Operate the BioClin BS6000 analyzer to perform automated biochemical tests, including measurements of glucose, cholesterol, triglycerides, and liver enzymes, ensuring high accuracy and efficiency.
- Perform direct and indirect Coombs tests, blood typing, and reticulocyte counts with accuracy and adherence to standardized laboratory procedures
- Conduct fresh direct examinations for fungi, bacilloscopy for acid-fast bacilli (AFB), and analysis of vaginal secretions. Perform Gram staining for bacterial identification and characterization.
Undergraduate research
Virology Laboratory - CEPEM (Tropical Medicina Center of Rondonia)
07.2019 - 12.2019
- Conducted laboratory experiments on Hepatitis Delta Virus (HDV), which enhanced our understanding of viral transmission in indigenous population.
- Collaborated with a team to analyze and interpret data from various virology studies.
- Assisted in maintaining laboratory equipment and ensuring compliance with safety protocols, which improved the overall efficiency of research operations and minimized risks for all team members.
- Participated in outreach efforts to educate local communities about viral infections, helping to raise awareness and promote preventive measures that could reduce infection rates.
Clinical Laboratory Scientist
Biocheckup Laboratory
01.2018 - 09.2019
- Followed the laboratory's procedures for specimen handling and processing, test analyses, reporting, and maintaining records of patient results.
- Maintained and operated all laboratory equipment. Performed daily, weekly, and monthly instrument maintenance as indicated.
- Adhered to the laboratory's quality control policies and documents all QC activities, instrument and procedural calibrations, and instrument maintenance.
- Participated in proficiency testing by performing sample analysis and reporting results at least once a year.
- Follows the laboratory's policies whenever test systems are not within the laboratory's established acceptable levels of performance.
- Identified problems and documents all corrective actions taken when test systems deviate from the laboratory's established performance specifications.
- Sent specimens to reference laboratories for any testing not performed in house.
- Trained employees in laboratory procedures.
- Performed CLIA classified Moderate and High complexity testing with minimal supervision.
- Perform differential counts of erythroblasts, corrected leukocyte counts, and analyze cells such as metamyelocytes, myelocytes, and promyelocytes for detailed hematological assessment.
- Perform immunochromatographic assays for rapid detection of specific antigens and antibodies. Conduct coagulation tests including Prothrombin Time (PT), Activated Partial Thromboplastin Time (aPTT), D-dimer, and fibrinogen measurements, ensuring accurate and timely results for clinical decision-making.
Laboratory Medicine Teacher
Tempo Moderno Educational Center
01.2018 - 09.2019
- Worked as instructor for laboratory assistants and technicians providing theoretical knowledge and practical skills essential for performing laboratory procedures safely, accurately, and ethically.
- Taught several subjects including chemistry, microbiology, hematology, blood bank, bodily fluids, molecular biology, immunology, laboratory safety, and interpretation of results.
Medical Laboratory Scientist
Cosme E Damiao State Children's Hospital
12.2014 - 05.2016
- Under supervision, utilized established procedures to perform routine assigned laboratory testing.
- Proficient in the operation of laboratory instrumentation and equipment.
- Maintained accurate, detailed records of work performed.
- Notified laboratory management when unusual results or data deviations occur.
- Provided guidance to other laboratory personnel in general laboratory practices under the direction of laboratory management.
- Assisted in test method development, validation, and verification for new and existing products.
- Created technical reports of tests and studies.
- Escalated issues to supervisor/manager for resolution, as deemed necessary.
- Performed full laboratory testing routine for Pediatric ICU patients at Hospital Cosme e Damião, including analysis and reporting of critical results to ensure timely clinical decision-making and patient care.
Education
Bachelor in Biomedical Sciences - Clinical Laboratory Science
Aparicio Carvalho Integrated College - FIMCA
Porto Velho, Brazil12.2019
Advance Microbiology - Microbiology
UNYLEYA
Porto Velho, Brazil12.2023
Skills
- Microbiology: bacterial, fungal, viral, and parasitic identification
- Hematology: complete blood count, differential counts (erythroblasts, metamyelocytes, myelocytes, promyelocytes), reticulocyte counts
- Pediatric ICU lab support: monitoring critical results for timely intervention
- Analysis and interpretation of critical lab values
- Training and mentoring of new laboratory personnel
- Problem-solving and attention to detail
Certification
- Medical Laboratory Scientist
- American Society for Clinical Pathology (ASCPi)
- 07/2025
Timeline
Clinical Laboratory Scientist
Alpha Clinic Diagnostic Laboratory
02.2022 - 01.2025
Undergraduate research
Virology Laboratory - CEPEM (Tropical Medicina Center of Rondonia)
07.2019 - 12.2019
Clinical Laboratory Scientist
Biocheckup Laboratory
01.2018 - 09.2019
Laboratory Medicine Teacher
Tempo Moderno Educational Center
01.2018 - 09.2019
Medical Laboratory Scientist
Cosme E Damiao State Children's Hospital
12.2014 - 05.2016
Bachelor in Biomedical Sciences - Clinical Laboratory Science
Aparicio Carvalho Integrated College - FIMCA
Advance Microbiology - Microbiology
UNYLEYA