Scientst

ROBERTO T. DIMAYUGA

Rancho Santa Margarita, CA 92688 949-***-****

**********@*****.***

Over ten years of research experience in diverse areas, such as Biochemistry, Endocrinology and Immunology. Extensive experience in assay development and validation in Radioimmunoassay (RIA), Radiolabeling, Tandem Mass Spectrometry (LC/MS/MS), High Pressure Liquid Chromatography (HPLC), Gel Electrophoresis, Column Chromatography, Enzyme Linked Immunosorbent Assay (ELISA), Chemiluminography and Solid Phase Extraction (SPE).

KEY COMPETENCIES

Analytical Thinking

Conceptual Thinking

Technical Expertise

Fosters Innovation

Results Oriented

Flexibility

PROFESSIONAL EXPERIENCE

QUEST DIAGNOSTICS – NICHOLS INSTITUTE, San Juan Capistrano, CA 1990-2011

Research Scientist

(Endocrine Department / Cardiovascular Department)

Initiated experimental design for assay development.

Conducted assay system development, optimization and validation.

Ran experiments to evaluate new laboratory instrumentation and equipment for laboratory testing in cooperation with the equipment manufacturer.

Prepared technical SOP’s as required for Medical or Scientific Director review and approval.

Prepared assay validation reports and other assay - related documentation as defined by the Scientific Director and Medical Director.

Worked closely with informatics personnel to develop computer programs and databases as required for assay execution and data management.

Assisted and / or coordinated technical transfer of new assays and procedures to appropriate departments.

Assisted in the training of lab personnel on new procedures.

Provided scientific supervision and guidance to research associates in the routine execution of their laboratory work.

Updated Scientific Director and / or R&D Manager about status of ongoing projects.

Prepared written and oral presentations of scientific updates for presentation at R&D meetings and conferences.

Interacted with Academic Associates and other outside sources of emerging technologies.

Added input to annual review for research personnel supervised while working on special projects.

Complied with industry regulatory and quality standards.

Assisted Laboratory Supervisors with troubleshooting, including review procedural execution for out of control results.

EDUCATION

B.S. Biochemistry, University of Santo Tomas, Manila, Philippines.

Six-month Scholarship in the area of Medical Research at the National Institute of Science and Technology, Manila, Philippines.

Internship Program for Licensure as Medical Laboratory Technologist, Brookdale Hospital Medical Center, Brooklyn, NY

Certification in High-Pressure Liquid Chromatography, LC Resources, La Jolla, CA

Certification in Mass Spectrometry of Peptides and Protein, American Society for Mass Spectrometry, Denver, CO

EXAMPLES OF ASSAYS DEVELOPED

Urinary Free Cortisol Assay by HPLC.

6 -hydroxycortisol Assay by HPLC.

von Willerbrand (Multimeric) Assay by Chemiluminography.

D-Dimer Coagulation Qualitative Assay.

LDL Subparticles by Gradient Gel Electrophoresis.

Bile Acids Assay by Colorimetry.

Serum Cortisone by LC/MS/MS.

Bile Acids Assay by LC/MS/MS.

PTHrP Assay by RIA.

AWARDS AND CERTIFICATES

Outstanding Achievement Award (October, 2005)

Certificate of Appreciation (August, 2003)

Certificate of Appreciation (July, 2002)

Outstanding Achievement Award (October, 2001)

Achievement of Excellence Award (November 2000)

ABSTRACTS AND PRESENTATIONS

“Evaluation of a novel Parathyroid Hormone Releasing Hormone Assay” by L.J. Deftos, A. Caston-Balderrama, R. Dimayuga, C. Chalberg, K. Smith, D. Burton, U.C. San Diego and VA Medical Center, San Diego, CA; Quest Diagnostics Nichols Institute, San Juan Capistrano, CA.

Abstract accepted for Poster Presentation at the 2008 Bone and Mineral Research Annual Meeting Toronto, Canada.

“von Willebrand Antigen, Multimeric Analysis by Chemiluminography” by Roberto Dimayuga, B.S., Long T. Wen, Ph.D., Anthony Seferuzza, Ph.D., and Froilan Espinoza, M.D., Quest Diagnostics, Department of Immunology.

Abstract accepted for Poster Presentation at the 1997 AACC Annual Meeting, Atlanta, GA.

“Quantification of 6 -hydroxycortisol in Human Urine by HPLC” by Marie Colucci, Roberto Dimayuga, Mirta Galmarini, R.M. Pandian, Ph.D., R. Horton, M.D., Nichols Institute, Endocrinology Department.

Abstract accepted for Poster Presentation at the 1993 AACC Annual Meeting, New York, NY.

“Factors Affecting the Extraction of Agar-Agar from Gelidium and a Study of Freshwater Algae as a source of Agar.”

Thesis submitted to the Department of Biochemistry, College of Pharmacy, Biochemistry and Medical Technology, University of Santo Tomas, Manila, Philippines.

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