Profile Details

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Hire Alejandro Y.

Brazil

USD 50 /hr

Analytical Research and Development Scientist, with 10+ years of experience in Chemistry

Profile Summary

• Specialist in chromatography and mass spectrometry techniques (MS) • Long term experience in analytical method development using AQbD principles (Analytical Quality by Design) & validation of methods for drug products, drug substances and impurities/degradation products analysis • Expert in Reproducible and Interactive Data Research - R/Python • Hands-on operation and troubleshooting of LC-MS and GC-MS systems • Strong expertise in chemometrics; Multivariate Data Analysis (PCA, HCA, PLS, OPLS etc) and Design of Experiments (DOE) applied to LC-UV-MS method development, metabolites extraction and derivatization reactions optimization; Experience in large-scale data analysis and processing data methods. • Stability studies of drug products and supplements

Subject Matter Expertise

• ★ Chemistry
• ★ Analytical Chemistry
• ★ Liquid Chromatography/HPLC
• ☆ Mass Spectrometry
• ☆ Data Analysis
• ☆ Data Processing
• ☆ Pharmaceutical Sciences

Services

• Writing
• Research
• Consulting
• Data & AI
• Product Development

Writing Technical Writing, Copywriting, Newswriting

Research Market Research, User Research, Meta-Research, Feasibility Study, Fact Checking, Gap Analysis, Gray Literature Search, Systematic Literature Review, Secondary Data Collection

Consulting Scientific and Technical Consulting, Regulatory Consulting

Data & AI Predictive Modeling, Statistical Analysis, Algorithm Design-Non ML, Data Visualization, Big Data Analytics, Data Processing, Data Insights

Product Development Formulation, Stability/Shelf Life Testing, Product Validation, Prototyping

Work Experience

Sr. Analytical Development Analyst

Myralis

March 2021 - Present

Quality Control Analyst

Besins Healthcare

October 2019 - March 2021

Laboratory Analyst

AQM SAS

August 2011 - July 2013

Education

PhD (Institute of Chemistry)

Universidade Estadual de Campinas

August 2015 - December 2019

Master (Institute of Chemistry)

Universidade Estadual de Campinas

August 2013 - July 2015

Chemist (Chemistry)

Universidad Nacional de Colombia

August 2005 - August 2011

Certifications

• Certification details not provided.

Publications

JOURNAL ARTICLE

Alejandro Yopasá-Arenas, Anne Hélène Fostier(2018). Exposure of Brazilian soil and groundwater to pollution by coccidiostats and antimicrobial agents used as growth promoters . Science of The Total Environment. 644. p. 112--121. Elsevier {BV}

Yopasá Arenas, A., de Souza Pessôa, G., Arruda, M.A.Z., Fostier, A.H.(2018). Mobility of polivinylpyrrolidone coated silver nanoparticles in tropical soils . Chemosphere. 194. p. 543-552.

Odilon França de Oliveira Neto, Alejandro Yopasa Arenas, Anne Hélène Fostier(2017). Sorption of thiabendazole in sub-tropical Brazilian soils . Environmental Science and Pollution Research. Springer Nature