Undergraduate Research Projects: Recent submissions
Now showing items 101-120 of 152
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Analysis of charge and discharge of a Solar Lithium Battery
(Polytechnic University of Puerto Rico, 2023-08-31)The purpose of this research is to observe the behavior of lithium batteries when they are being discharged and recharged to compare the data obtained in the experiments with the data provided by the manufacturer. With the ... -
Analysis of the Mechanical Properties of Biomaterials found in Nature for the production of Bone Tissue Scaffold
(Polytechnic University of Puerto Rico, 2023-08-31)During this investigation, the mechanical properties of three biomaterials found in nature (carrots, bamboo, and grapes) were evaluated to determine if they could serve as prototypes for a biocompatible, biodegradable, and ... -
Vulnerability of Schools in Puerto Rico to Tsunami Events Case Studies: Loíza, Mayaguez, and Toa Baja
(Polytechnic University of Puerto Rico, 2023-08-31)This research extends the vulnerability analysis of schools to the municipalities of Loíza, Mayaguez, and Toa Baja. The analysis is performed based on their evacuation time to reach a safe zone in a tsunami-like event. ... -
Nonlinear Pharmacokinetic Models Based on Statistical Regression Methods Using Secondary Data
(Polytechnic University of Puerto Rico, 2023-08-31)This research is about creating nonlinear pharmacokinetic models to better understand the behaviors that take place. From there, see patterns, relations between behaviors, and statistical techniques and, as an end goal, ... -
From Brown Tides to 3D Printers: Additive Manufacturing of Novel Algae-Based Polymer Composites
(Polytechnic University of Puerto Rico, 2022-10-13)As a direct effect of ocean warming and nutrient enrichment, tones of a brown macroalgae known as Sargassum, have been accumulating on shores throughout the Caribbean region since 2011. These unprecedented annual events ... -
Fabrication and Characterization of 3D Printed Solid Oral Dosage Forms
(Polytechnic University of Puerto Rico, 2023-08-31)The pharmaceutical industry has been positively impacted by the 3D printing technique. Nevertheless, it has been poorly investigated. This study, was focused on fabricating solid oral dosage forms manufactured with corn ... -
Brownian dynamics simulation method for the study of anisotropic active Brownian particles
(Polytechnic University of Puerto Rico, 2023-08-31)Colloidal or Brownian particles are tiny particles 1 µm to 10 nm) immersed in a Newtonian viscous fluid and subjected to Brownian motion This motion is due to thermal fluctuations of the fluid molecules that induce irregular ... -
Fabricating An Ionic Conductive-okra Based Hydrogel For Chronic Wound Healing
(Polytechnic University of Puerto Rico, 2023-08-31)It has been reported that nearly 6.5 million people in the United States suffer from at least one chronic wound in their lifetime. One of the community’s are affected by it are people with diabetes mellitus. Hydrogel ... -
Exploring Solutions to Fast Fashion: Development of Sustainable Fabrics Made from Bacterial Cellulose Grown in a Novel Seaweed-Based Medium
(Polytechnic University of Puerto Rico, 2023-08-31)This research project explores innovative solutions to address two environmental concerns: the detrimental impact of fast fashion on the environment and the widespread macroalgae bloom. The proposed approach involves the ... -
Fabrication and Characterization of Novel Mycelium Based Composite Materials
(Polytechnic University of Puerto Rico, 2023-08-31)This investigations focuses on characterizing innovative mycelium based composite material The goal is to create sustainable and biodegradable packaging materials that combat waste accumulation By comparing Pleurotus ... -
From Bio Waste to Bone Substitute: 3D Printing Assisted Fabrication of Scaffolds Containing High Concentrations of Eggshell Derived Hydroxyapatite
(Polytechnic University of Puerto Rico, 2022-10-13)Autografts are the gold standard for bone repair interventions due to their osteoinductive and osteoconductive properties Unfortunately, this technique entails important drawbacks such as limited availability and donor ... -
Study of Electromagnetic Fields and Effects on the Human Body
(Polytechnic University of Puerto Rico, 2022-10-13)Exposure of radio frequencies electromagnetic fields (EMF) in recent decades, demands has increased. Bringing new variables into the effects of EMF with human bodies. Our objective is to present an approach into the ... -
Influence of Upper Limb Improvement in Post-Stroke Gait
(Polytechnic University of Puerto Rico, 2022-10-13)Hemiplegic gait is a common consequence of a stroke affecting about 80% of the patients. The usual treatment tends to focus on analyzing just the affected lower body, neglecting the upper limb. This research is intended ... -
Correlación entre elasticidad y propiedades eléctricas del hueso cortical seco
(Polytechnic University of Puerto Rico, 2022-10-13)Esta investigación buscó conocer cuál parámetro eléctrico, entre la permitividad y la conductividad, se correlaciona mejor con la elasticidad del hueso cortical seco de los huesos largos caninos. Esto se determinó ... -
Nickel Doped Carbon Nitride for the Photoelectrochemical Degradation of a Sunscreen derived Organic Pollutant Found in Swimming Pool Waters
(Polytechnic University of Puerto Rico, 2021-09-17)The fabrication and consumption of sun care products has increased exponentially the concentration of organic UV filters in the oceans and seas, which represents a threat to the marine environment The present research ... -
Medical image-based diagnostics for cardiovascular diseases using machine learning
(Polytechnic University of Puerto Rico, 2021-09-17)With cardiac imaging’s important role in the diagnosis of cardiovascular diseases, along with the dawn of big data and machine learning (ML), there are emergent opportunities to build artificial intelligence (AI) tools ... -
Energy harvesting of the human body via piezoelectric & thermoelectric principles
(Polytechnic University of Puerto Rico, 2021-09-17)This research aims to delve into energy alternatives for biomedical applications by utilizing waste energy from our bodies. The focus of this study is based on two types of energy harvesting: Piezoelectric and ... -
Envolvente de un Edificio Resistente a Huracanes
(Polytechnic University of Puerto Rico, 2021-09-17)El paso de un huracán puede ocasionar muchos daños en la envolvente de las casas y edificios (Costa, C., Olona, C., Tombesi, C., 2020). Las fallas principales son en las ventanas y puertas, ya que son los elementos más ... -
Electrical Properties and Bone Mineral Density Correlation on Canine Cadaveric Cortical Bone
(Polytechnic University of Puerto Rico, 2021-09-17)In this study, the electrical properties of 19 segments of canine cadaveric bones were measured using an Impedance Analyzer E 4990 A using frequencies ranging from 20 Hz 20 MHz with the purpose of identifying a correlation ... -
3D Printing of Biopolymer Composites Fabricated from Polylactic Acid & Eggshell Derived Hydroxyapatite
(Polytechnic University of Puerto Rico, 2021-09-17)Hydroxyapatite ( is a naturally occurring mineral form of calcium apatite, which is found in 65 70 of human bones Waste derived HAp is attracting considerable attention due to its excellent biocompatibility and capacity ...