Daniel Rosas Email & Phone Number

Corpus Christi, TX, US

Corpus Christi, Texas, United States

• Measured absorbance and calculated H2S concentrations in seagrass porewater, utilizing advanced spectrophotometric techniques. Prepared standards and constructed standard curves in Excel for precise sample.
• Prepared reduced Cr+ solutions for sediment sulfide distillation using the Jones reductor method. Performed weekly complex sulfide distillations from sediment samples to extract silver sulfide for isotopic d34S.
• Extracted metabolites from homogenized plant tissue samples through a meticulous methanol/acetonitrile/water extraction protocol. Processed specimens via sonication, centrifugation, and secondary extraction for LC/MS.
• Conducted high-precision liquid chromatography coupled with electrospray ionization in negative mode on the Orbitrap Fusion Mass Spectrometer to develop comprehensive metabolic profiles.
• Maintained and calibrated laboratory equipment while adhering to rigorous Environmental Health and Safety (EHS) protocols.
• Managed laboratory supplies, reagent preparation, and workflow optimization to support multi-phase research projects.

Corpus Christi, Texas, United States

• Processed patient specimens (blood and body fluids) accurately and efficiently in accordance with established laboratory procedures.
• Resulted specimens in the LIS (Laboratory Information System) computer system, ensuring accurate and timely data entry.
• Achieved timely reporting of test results, consistently meeting or exceeding company turnaround time targets.
• Adhered to laboratory protocols and standards, ensuring compliance with CPL guidelines, and enhancing operational efficiency.
• Maintained comprehensive and accurate laboratory documentation and logs in accordance with CAP regulations.
• Performed daily calibration, quality control, and maintenance on analyzers, ensuring optimal instrument performance and reliability.

Corpus Christi, Texas, United States

• Organized lesson plans and taught students correct laboratory procedures for laboratory component in conjunction with their lecture course.
• Ensured compliance with Environmental Heath and Safety (EHS) regulations and proper laboratory safety etiquette.
• Demonstrated strong communication skills to teach laboratory objectives and theory associated with daily lectures.
• Graded coursework in a timely manner to ensure proper turnaround time.
• Held office hours to assist students with additional help in understanding coursework.
• Managed all laboratory activities based on proper safety etiquette, including proper Personal Protective Equipment (PPE) usage and adequate disposal of chemicals.

Corpus Christi, Texas, United States

• Organized associates work schedules for adequate coverage of all departments.
• Communicated with associates through daily huddles that included updated testing procedures/ protocols.
• Collaborated with laboratory supervisors and manager to troubleshoot and enhance workflow efficacy.
• Trained new associates on proper laboratory procedures.
• Validated new analyzers including calibration and QC maintenance.
• Maintained a positive work ethic among associates.

• Conducted chemical analysis of body fluids (blood, spinal fluid, serous fluid) and resulted data within designated turnaround time.
• Established and monitored quality assurance programs to ensure accuracy of results and compliance with CAP, CLIA, JCAHO, HIPAA, AABB and OSHA regulations.
• Facilitated maintenance of laboratory equipment and ensured adherence to safety protocols.
• Managed inventory and supplies to support efficient laboratory operations.
• Collaborated with colleagues to troubleshoot technical issues and sustain workflow efficiency.

Master Of Science - Ms, Chemistry

Bachelors Of Science, Clinical Laboratory Science/Medical Technology/Technologist

Activities and Societies: Clinical Laboratory Science Program

Bachelor Of Applied Science - Basc, Biology/Biological Sciences, General