Ph.D. Rangel-Vázquez is a professor research at Technological Institute of Aguascalientes (ITA) in the Department of Metal-mechanical in the Materials Engineering program. I have served as a reviewer for several journals: Journal of Applied Polymer Science, Materials Letters, Carbohydrate Polymers, Journal Polymer Engineering & Science, Thermochimica Acta, Journal of Molecular Structure, Journal of Surface and Coatings Technology, Academic Journal of Agricultural Research, World Journal of Engineering and Physical Sciences (WJEPS), Annual Research & Review in Biology, Journal of Applied Physical Science International, Global Conference on Polymer and Composite Materials 2015 and International Journal of Nanomedicine. I have worked in the Organizing of International congress such as: 2016 Spring World Congress on Engineering and Technologies (SCET 2016) in the topic: 2016 Spring International Conference on Materials Sciences and Technologies (MST-S-China); 2nd Conference International of Surface and Interface on Materials (Thailand, 2016); The 2nd Int'l Conference on Biomaterials and Applications (ICBA 2017), Thailand; The 3rd Int'l Conference on Surface and Interface of Materials (SIM 2017), China. The 3rd Int'l Conference on Advanced Composite Materials (ACM 2017), Thailand. I am on the Editorial Board of several journals including Journal of Pharmaceutics & Drug Development, Material Science and Engineering with Advanced Research, Journal of Nanomedicine Research, Nanomedicine Research Journal, Chemistry Journal, BAOJ Pharmaceutical Sciences (Bioaccent), Independent Journal of Managment & Production (Brazil) and Global Journal of Nanomedicine. I am Editor In Chief of BAOJ Pharmaceutical Sciences and the Journal of Pharmaceutics & Drug Development, respectively.