プロフィール詳細

プロジェクトを作成

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Dr. Cristóbal L.に依頼

Spain

35years Chemistry Professor Polymer&Natural Products 30 under&postgraduate Theses ChiefEditor Journal Avances en Química

プロフィール概要

I currently work at the Polymer Group, Department of Chemistry, University of the Andes-Venezuela. I do research in Chitosan, Hydrogels, Unsaturated Polyesters, Green Chemistry, Adding value to unknown and/or waste materials. I also founder of the Journal Avances en Química and currently its Chief E​d​i​t​. My most recent publications are: - C Lárez Velásquez, G, I Santos-Ocanto. Separation and Characterization of Water Soluble Protein Fraction from Moringa oleifera Seeds. J. Progres. Res. Mod. Phys. Chem., 3(1), 85-96 (2018) - C Lárez-Velásquez. Chitosan-based nanomaterials on controlled bioactive agents delivery: a review. J. Anal. Pharm. Res., 7(4), 484‒489 (2018). - JL Benítez, C Lárez Velásquez, C Urbina de Navarro, B Rojas de Gáscue. Efectos de la isomería configuracional sobre el hinchamiento de hidrogeles basados en acrilamida/anhídrido maleico. Avances en Química, 13(3), 61-67 (2018). - M Rojas-Pirela, L Ramírez, M Zambrano, MJ Peña-Vera, C Lárez-Velásquez, E Pérez-Pérez. Studies of Resistance to Multiple Antimicrobial Compounds and Salt Tolerance of Strains Isolated from Patients with Chronic Sinusitis. CPQ Medicine, 7(2), 01-08 (2019). - M Rojas-Pirela, M Peña, MJ Peña-Vera, M Sulbarán, E Pérez, C Lárez-Velásquez. Characterization and determination of antimicrobial and metal resistant profles of Xanthomonas strains isolated from natural environments. J. Anal. Pharm. Res., 8(2), 55‒60 (2019). - C Lárez-Velásquez, M Rojas Pirela, A Chirinos, L Rojas-Avelizapa. Nuevos retos en agricultura para lós biopolímeros de quitina y quitosano. Parte 1: Efectos beneficiosos para lós cultivos. Rev. Iberoam. Polímeros y Materiales, 20(3), 118–136 (2019). - C Lárez-Velásquez, M Rojas Pirela. Los quitosanos y La lucha contra lós coronavirus. Avances en Química, 15(1), 23-34 (2020). - C Lárez-Velásquez. On the Consequences of Having Omnipotent National Presidents Who Do Not Heed Teir Expert´s Advices and Other Lessons From a Pandemic. CPQ Medicine, 9(1), 01-06 (2019). - C Lárez-Velásquez, L Rojas-Avelizapa. A Review on the Physicochemical and Biological Aspects of the Chitosan Antifungal Activity in Agricultural Applications. Journal of Research Update on Polymer Science (2020) …

専門分野

• ★ Polymer Chemistry
• ☆ Materials Science & Engineering
• ☆ Nanotechnology & Nanomaterials
• ☆ Biopolymers
• ☆ Agricultural Biotechnology

サービス

• Writing
• Research
• Consulting
• Product Development

Writing Technical Writing, Copywriting

Research Fact Checking, Gray Literature Search, Systematic Literature Review, Secondary Data Collection

Consulting Scientific and Technical Consulting

Product Development Formulation

職務経験

Professor

Universidad de los Andes, Mérida, Venezuela

5月 1987 - 現在

学歴

Doctor en Química Aplicada

Universidad De Los Andes

4月 1993 - 12月 1999

Licenciado en Química

Universidad De Los Andes

1月 1979 - 12月 1997

M. Sc. en Química Aplicada

Universidad De Los Andes

9月 1989 - 9月 1991

Bachiller en Ciencias

Liceo Tavera Acosta

1976 - 1978

Liceo JM Siso Martínez

9月 1973 - 7月 1976

Escuela primaria Iron Mines No. 2

9月 1967 - 7月 1973

認定資格

• Sistema Promoción de la Investigación Nivel C

  Ministerio de Ciencia y Tecnología, Venezuela

  1月 2016 - 12月 2018

出版物

JOURNAL ARTICLE

Velásquez, C.L., Ramírez, M., Millán, E., Medina, A.(2012). Swelling studies and adsorption of safranin T by acrylamide/maleic acid/methylene-bis-acrylamide based hydrogels . E-Polymers.

Velásquez, C.L., Díaz, L.Z.(2011). Chitosan depolymerisation by potassium periodate | Despolimerización de quitosano con peryodato de potasio . Revista Latinoamericana de Metalurgia y Materiales. 31. (2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 195-202.

Lárez Velásquez, C.(2008). Some potentialities of chitin and chitosan for uses related to agriculture in Latin America | Algunas potencialidades de la quitina y el quitosano para usos relacionados con la agricultura en Latinoamérica . Revista Cientifica UDO Agricola. 8. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1-22.

Lárez, C., Márquez, O.P., Márquez, J.(2006). Anodic oxidation and electropolimerization of salicylic acid | Oxidación anódica y electropolimerización del ácido salicílico . Revista Tecnica de la Facultad de Ingenieria Universidad del Zulia. 29. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 3-13.

Barrios, E.M., Mujica, G.A., Velásquez, C.L., Martínez, Y.(2006). Studies of the presence of dicarboxylic acids in the electrochemical synthesis of poly(aniline): Case poly(itaconic acid) . Journal of Electroanalytical Chemistry. 586. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 128-135.

Velásquez, C.L., Albornoz, J.S., Nava, J.U., Barrios, E.M., Velásquez, H.L.(2005). Conductimetric studies of chitosan in aqueous medium . Polymer Bulletin. 55. (3). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 201-208.

Lárez V, C., Canción, F., Millán, E., Katime, I.(2002). Interpolymeric complexes of poly(itaconic acid) and chitosan . Polymer Bulletin. 48. (4-5). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 361-366.

Lárez-V, C., Crescenzi, V., Ciferri, A.(1995). Phase Separation of Rigid Polymers in Poor Solvents. 1. (Hydroxypropyl)cellulose in Water . Macromolecules. 28. (15). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 5280-5284.

Làrez-V, C., Crescenzi, V., Dentini, M., Ciferri, A.(1995). Assemblies of amphiphilic compounds over rigid polymers: 2. Interaction of sodium dodecylbenzenesulfonate with chitosan-scleraldehyde gels . Supramolecular Science. 2. (3-4). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 141-147.

Larez, Cristobal, Marquez, Jairo, Perdomo, Gilberto, Marquez, Olga P.(1992). Electrochemical polymerization of β-2-furylacrylic acid . New Polymeric Materials. 3. (3). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 155-161.

Larez, V., Cristobal, J., Perdomo Mendoza, G.A.(1991). Unsaturated polyester - 4. Polyester from maleic anhydride and 1,5-pentanediol . Polymer Bulletin. 26. (3). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 313-317.

Larez V., C.J., Mendoza, G.A.P.(1991). Unsaturated polyesters, III. Polyester from maleic anhydride and 1,4‐butylene glycol . Journal of Applied Polymer Science. 43. (9). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1605-1607.

Cristobal, L.V., Perdomo Mendoza, G.A.(1990). Unsaturated polyesters - 2. Polyester from maleic anhydride and 1,3-propylene glycol . Polymer Bulletin. 23. (6). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 577-581.

Cristobal, L.V., Mendoza, G.A.P.(1989). Unsaturated polyesters - 1. Polyester from maleic anhydride and ethylene glycol . Polymer Bulletin. 22. (5-6). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 513-519.

CONFERENCE PAPER

Cristobal, Larezv, Gilberto, Perdomo M.(1990). Polyesterification and cis-trans isomerization: A simultaneous study . Journal of Applied Polymer Science: Applied Polymer Symposium. (49). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 59-66.