• Incidencia, severidad y viabilidad de la roya de la hoja del cafeto (Hemileia vastatrix Berk. et Br.) en la zona cafetalera de Puerto Rico 

  Esparra-Rivera, Eileen (2022-05-18)

  La roya de la hoja del cafeto (Hemileia vastatrix Berk. et Br.) es la enfermedad más limitante en la producción mundial de Coffea arabica. Monitorear el estatus y progreso de la enfermedad es la herramienta más eficaz para ...

• Interlacing the evaluation of mechanical properties of mortar cement with near-infrared spectroscopy using multivariate data analysis 

  Florian, Luis (2022-05-20)

  This thesis focuses on the development of near-infrared spectroscopy methods to investigate the mineralogical evolution and compressive strength resistance of Portland cement type I present in cement mortar during the ...

• Biophysical studies: Interaction of the Aptamer-protein complexes 

  Heredia-Negron, Frances (2022-05-16)

  Aptamers are synthetic nucleotides used as probes for a plethora of molecules. Their applications include therapeutics, biosensors, drug delivery, among others. Aptamers bind strongly and selectively to a target because ...

• Estudio de la estabilidad y aceptabilidad general del desarrollo de una barra cereal lista para el consumo utilizando harina de batata mameya (Ipomoea batatas) 

  Ávila, Cristina (2022-05-20)

  La presente investigación tiene como principal objetivo desarrollar una barra lista para el consumo que reúna las nuevas demandas de conveniencia del consumidor. Se realizaron tres formulaciones y se evaluó la preferencia ...

• Identificación de Pseudocercospora fijiensis mediante amplificación isotérmica mediada por bucle 

  Román-Zea, Denisse (2022-05-20)

  El mayor ingreso agrícola en Puerto Rico proviene de los cultivos farináceos, siendo los bananos y plátanos los principales cultivos de este grupo. Las musáceas se ven afectadas por muchos patógenos, pero la enfermedad más ...

• Comparison between VR and CAD product representation on subject preference via discrete choice experimentation 

  Gutiérrez, Luis Enrique (2022-05-20)

  This research compares Virtual Reality (VR) vs. Computer Aided Design (CAD) using a simple product and analyzing three factors of a coffee cup: its height, radius and curvature. The representations were conducted in 108 ...

• DNA barcoding of adiantum (Pteridaceae: Vittarioideae) in Puerto Rico 

  Grafals Nieves, Karlyn (2022-05-20)

  Adiantum L. (Pteridaceae), commonly known as the “maidenhair ferns,” is one of the more readily recognized genera of ferns. It includes species that are native to the Caribbean islands, with 15 species reported from Puerto ...

• Graviola leaf extract toxicity to tongue squamous cell carcinomas 

  Barreto Diaz, Mairan Alejandra (2022-05-12)

  Annona Muricata (Graviola) is a tropical tree that is common in the Puerto Rican landscape. The anticancer properties of molecules extracted from different parts of the graviola tree have been reported in various cell ...

• A hydrogeochemical analysis to evaluate the water-rock interaction in the North Coast Limestone Aquifer System of Puerto Rico 

  Vargas Serrano, Kateleen (2022-05-20)

  Analyzing the mineralogical composition, and saturation indices in springwaters helps to understand the internal structure of karst aquifers since they affect the porosity, the permeability and the rock alterations (including ...

• The effect of CaS/DMSO nanoparticle dispersion in the cytoskeleton and focal adhesion points of the human melanoma fibroblast adherent cell line Hs 895.T (ATCC CRL7637) and human normal skin fibroblasts adherent cell line CCD-1090Sk (ATCC CRL2106) 

  Rodriguez Martinez, Olga M. (2022-05-20)

  The Skin Cancer Foundation highlights that melanoma is the most dangerous form of skin cancer and there are different treatments for each type. These treatments are invasive and not all patients can control the side effects. ...

• Translanguaging as a practice in the writing of basic English students at the University of Puerto Rico at Mayaguez 

  Buitrago García, Laura (2022-04-13)

  The topic of translanguaging has gained great relevance in the field of second language acquisition in the last few years. Authors such as Blackledge and Creese (2010), Mazak and Herbas-Donoso (2015), Velasco and García ...

• Caracterización de los coffee shops en Puerto Rico: Crecimiento e impacto potencial en la producción de café y desarrollo económico 

  Flores Collazo, Christian (2022-05-20)

  This study focused on a descriptive analysis of the coffee shops market in Puerto Rico with the aim of visualizing the inherent characteristics of these establishments in order to understand the unprecedented growth of ...

• Performance comparison of frequency selective surface – backed folded slot antennas and cavity-backed folded slot antennas 

  Rivera Fernandez, Luis Rafael (2022-05-20)

  This thesis deals with the comparison in performance of frequency selective surface backed folded slot antennas and a cavity backed folded slot antenna. An FSS layer is added to an inductively fed and a capacitively fed ...

• Optimizing GEANT4 for event generation in Monte Carlo simulation at the HL-LHC 

  Guerrero De La Cruz, Harold David (2022-05-20)

  Detector simulation is an essential tool to design, build and commission the highly sophisticated detectors utilised in modern particle physics experiments like the CMS Experiment at the Large Hadron Collider (LHC) at CERN. ...

• A weather nowcasting approach as a service for solar energy generation forecast 

  Minotta Zapata, Felipe (2022-04-05)

  This work focuses on the problem of forecasting the energy availability of solar panel arrangements in smart grids. To solve this problem, we propose to use weather radar information to make a 15 minute ahead prediction ...

• Evaluación del comportamiento de los conductores y su relación con la seguridad de los trabajadores en zonas de construcción en autopistas usando un simulador de conducción 

  Ramos-López, Ivelisse M. (2022-05-20)

  Construction work zones cause changes in the geometry of roads that generate potential safety concerns for both workers and drivers. Signs and traffic control devices are placed to inform drivers about these temporary ...

• Preferencias y disposición para pagar de los visitantes por actividades agroturísticas en fincas de café en Puerto Rico 

  Colon Montes, Omar (2022-05-20)

  The objective of this research was to analyze the preferences and Willingness to Pay of visitors for agrotourism activities on coffee farms in Puerto Rico. Likert scale questions and choice experiments were used to collect ...

• Conocimiento, percepción y disposición de los directores de escuelas privadas a utilizar estrategias de agroecología urbana integradas a áreas académicas 

  Torres Mercado, Anacelis (2022-05-20)

  Este estudio descriptivo evaluó el conocimiento, percepción y disposición de los directores de escuelas privadas del municipio de Mayagüez para utilizar estrategias de Agroecología Urbana integradas a áreas académicas. ...

• Predictive analytics tools to improve on-time graduation rate for undergraduate students 

  Yazdani Lopez, Ramineh (2022-05-20)

  The on-time graduation rate among private and state universities in Puerto Rico is significantly lower than in the mainland United States. This problem is noteworthy because it leads to substantial negative consequences ...

• Effects of Hydrogeological and Anthropogenic Factors on the Distribution of Emerging and Legacy Contaminants in the Karst Groundwater Systems 

  Torres Torres, Norma I. (2022-05-19)

  The characteristics of the Karst Region of Northern Puerto Rico (KRNPR) make this aquifer highly productive, being an important source of groundwater for multiple purposes, but highly vulnerable to contamination. This ...

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