• Earthquake loss estimation in Puerto Rico from historical and potential earthquake scenarios 

  Ramírez-Rivera, Arlenys (2016)

  Puerto Rico is located in the active seismic zone of the Eastern Caribbean where earthquakes are a potential threat for the island. In the past, several damaging earthquakes have affected Puerto Rico (1787, 1867, and 1918). ...

• The tutoring phenomenon: Parent and tutor determinants for private supplementary tutoring in Aguadilla, Puerto Rico 

  Napoleoni-Gregory, Bianca P. (2020-05-29)

  Through a case study approach, this research investigates the perspectives of parents and tutors regarding private supplementary tutoring (PST). Findings showcase determinants for the motivated use of PST from parents ...

• Development of drought index for Puerto Rico's hydrologic conditions 

  Malavé-Pérez, Luis G. (2020-07-24)

  This study intends to develop a new drought index for Puerto Rico (PRDI) that combines relevant hydrological parameters necessary to obtain an appropriate drought indication value with a focus on hydrological conditions ...

• Nivel de satisfacción de los estudiantes del RUM con las instalaciones académico-deportivas 

  Galarza-Torres, Stephanie Michelle (2020-07)

  Collection of information on academic-sports facilities from the student’s perspective is necessary to get acquainted with their areas of highest value (Blázquez Resino, Chamizo González, Cano Montero & Gutiérrez Broncano, ...

• New families of 3D watermarks 

  Bustillo-Zárate, Alcibíades De Asís (2020-07)

  In recent years researchers have developed families of 3D watermarks that are built by composition, using a base array and a periodic sequence of shifts. Multidimensional arrays that are constructed by composition of a ...

• Exploring the determinants of students' travel behavior in the face of parking scarcity problems 

  Arroyo-Román, Carolyn Marie (2020-05-28)

  Finding a parking spot at the University of Puerto Rico at Mayagüez (UPRM) can be a daily struggle. Currently, the Campus mismatch between parking demand and supply has resulted in a substantial number of people, mostly ...

• (His)6 -tag recombinant hemoglobin I from Lucina Pectinata: A novel hydrogen sulfide protein donor 

  Borges-Arias, Hazel M. (2020-07)

  Hydrogen Sulfide (H2S) is a gasotransmitter involved in physiological and pathological processes in humans and animals. It is produced endogenously in humans through enzymatic pathways. H2S is associated with the ...

• Diferenciación morfológica de cultivares de ñame (Dioscorea rotundata y Dioscorea alata) y especies de Colletotrichum spp. asociadas 

  Serrano-Jiménez, Seylie M. (2020-05-28)

  In Puerto Rico, yam (Dioscorea spp.) is one of the most economically important tubers within the farinaceous screed. The most cultivated and consumed species are Dioscorea rotundata and Dioscorea alata. Imports of this ...

• Quantum cascade laser-grazing angle spectroscopy detection of high explosives deposited on various substrates using air spray 

  Colón-Mercado, Annette Mariel (2020-04-19)

  The mid-infrared (MIR) laser reflectance of samples of high explosives (HEs) deposited on reflective and matte substrates using spray deposition was measured and used to generate multivariate (MVA) models for the analysis ...

• Diseño de un sistema receptor de formación de haz para un arreglo de antenas en fase con capacidad de polarización ajustable para aplicaciones de comunicaciones satelitales más allá de la línea de visión en sistemas de aeronaves no tripuladas 

  Valle-Reyes, Jhon Jairo (2020-04-22)

  Unmanned aerial systems (UAS) have become an essential tool for monitoring and identifying targets without the need to put human lives at risk on the mission. For the control of the flight path and the collection of UAS ...

• Estrategias para mejorar la eficiencia de la producción de carne de res en el trópico: II. Efecto del genotipo y del nivel nutricional sobre las características y composición de la canal de toretes engordados a pastoreo 

  Ortiz-Rodríguez, Adrián A. (2020-05-29)

  Sixty-nine Charolais x Senepol crossbred calves (Genotype = XSEN: > Senepol influence; XCHA: > Charolais influence) grazed tropical pastures under three nutritional planes (T1: grazing at a stocking rate of 1.1 head/acre; ...

• Languagelessness & bicultural ambivalence in Puerto Rico 

  Tubens-Pérez, Ana Maria (2020-05-19)

  This investigation used two focus group interviews and discourse analysis to determine if Puerto Ricans are perceived as languageless and biculturally ambivalent. It aimed to identify how these ideologies are demonstrated ...

• Experimental evaluation of direct and indirect effects of Diadema antillarum on benthic community assemblages and coral recruitment in La Parguera, Puerto Rico 

  Olmeda Saldaña, Manuel F. (2020-05-27)

  Once described as a noxious species, the long-spined sea urchin Diadema antillarum is now considered an ecologically important species for coral reef health and many efforts have been focused towards their recovery after ...

• Patterns of spatial and temporal variation of fish assemblages associated with coral reefs of Puerto Rico: The story of 20 years of continuous monitoring 

  Meléndez-Vázquez, Fernando (2020-05-18)

  Various global syntheses have widely documented the decline of local and global fish species richness and biomass in tropical marine ecosystems due to detrimental fishing practices, pollution, coastal development, ...

• Distribution of Harpellales (Kickxellomycotina) in Culicidae and Chironomidae in Urban sites in Mayagüez and Arecibo, Puerto Rico 

  Alicea-Cruz, Gamalier (2020-05-29)

  Harpellales fungi are obligate symbionts. They need a live host in order to grow and reproduce. They are found in the digestive tract of various arthropods (including insects), attached without penetration to the gut lining. ...

• Evaluation of methods for idea generation and selection for interdisciplinary entrepreneurial student teams 

  Mercado Rivera, Abimelec (2020-07-24)

  This research explores the ideation and selection methods used by interdisciplinary student teams who use Design Thinking during the early-design stage to create solutions to real-world problems. Two experiments were created ...

• Metallic phase change materials (mPCMs) stability and compatibility analysis under repetitive melting/solidification cycles 

  Baez-Ortíz, Rafael J. (2020-07-24)

  Metallic phase change materials (mPCMs) have been demonstrated as a potential passive cooling solution for pulse power applications. The possibility of integrating a metallic PCM directly on top of a heat source, reducing ...

• Numerical assessment of roughness effects on boundary layer development over adjacent blades 

  Médard, Pharlin (2020-06-24)

  Surface roughness is a condition that affects the aerodynamic performance of compressor blades. For instance, erosion, corrosion, and fouling, among other phenomena, can cause surface roughness, in compressor blades to ...

• Effects of collagen matrix architecture in different biomedical applications 

  Reyes-Ramos, Ana M. (2020-07-24)

  The extracellular matrix (ECM) is one critical component of the tissue microenvironment that regulates many cellular functions, providing biochemical and biomechanical cues for tissue development and function. Collagen is ...

• Assessment of storm-induced coastal changes on a high-energy microtidal reef-fringed coast 

  Rivera-Casillas, Peter (2020-07-21)

  This study sought to assess the storm-induced hydrodynamic and sediment transport patterns along the coast of Rincón, Puerto Rico during two storm events (Hurricane María and Winter Storm Riley). In order to assess short-term ...

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