• Upper limbs kinematics analysis for Parkinson’s disease characterization 

  Gutierrez Reyes, Yvvonna (Polytechnic University of Puerto Rico, 2024-08-22)

  The characterization of the upper limb’s kinematics in Parkinsons disease is crucial for the understanding the intricates of motor dysfunction in this exact condition. This research indicates a notable’s deviation in ...

• Surge Tank Behavior in the Presence of a Traveling Pressure Wave 

  González Romero, Yomara L. (Polytechnic University of Puerto Rico, 2024-08-22)

  This study analyzes the impact of surge tank diameter and pipe friction on pressure oscillations in the penstock. The results indicate that a specific diameter was identified where pressure suppression is optimized. ...

• Optimization and Characterization of 3d Printed Solid Oral Dosage Forms 

  Bengochea Bonilla, Yariana Nicole (Polytechnic University of Puerto Rico, 2024-08-22)

  This research focuses on the dosage, characterization, and standardization of three-dimensionally printed pharmaceutical tablets. The study establishes the methods, parameters, and formulations necessary for the bio-ink ...

• Algae-Based Carbonated Cementitious Materials and Their Applications in the Concrete Industries 

  Morales Del Valle, Sheidey I.; Santiago, Angela I.; Dávila Flores, Christopher; Pacheco-Crosetti, Gustavo E.; Florián Algarín, Miguel Ángel (Polytechnic University of Puerto Rico, 2024-08-22)

  This study explores how adding sargassum to concrete affects its compression strength. The research aims to evaluate the potential of sargassum as a sustainable material in concrete production. 84 mortar samples were ...

• Sodium Alginate-Infused Hydrogels: A Treatment Approach for Managing Chronic Wounds in the Skin 

  Díaz Rivera, Javier A.; Faustinelli, Carlos; Garriga Vidal, María (Polytechnic University of Puerto Rico, 2024-08-22)

  Climate change has increased the growth and dispersal of Sargassum algae across the Atlantic Ocean, posing significant environmental challenges, especially in the Caribbean. However, from Sargassum, sodium alginate, a ...

• Biomechanical Model of the Hand for Upper Limb Prosthesis Evaluation 

  Ortiz Pérez, Ericka G. (Polytechnic University of Puerto Rico, 2024-08-22)

  Prosthetic hands provide amputees with the chance to recover their lost abilities, however, there is no comparison made between the movement of a prosthetic hand versus a biological hand. This project aims to create a ...

• Solutions to Prevent Heat Stroke Deaths in Vehicles: Ensuring Safety for Infants and Pets 

  Sánchez Robles, Elvis (Polytechnic University of Puerto Rico, 2024-08-22)

  The increasing incidence of heatstroke deaths among children and pets left in vehicles highlights the critical need for effective preventive solutions. This research aims to analyze existing technologies, identify their ...

• Air-Based Plasma and its Impact on Bacillus subtilis: Implications for Healthcare Sterilization 

  Muñiz La Torre, Cristina; De Jesús, Antuanette; González Lizardo, Ángel E.; Rondón Contreras, Jairo J. (Polytechnic University of Puerto Rico, 2024-08-22)

  This study addresses the limitations of current sterilization methods in the healthcare industry, which expose operators to carcinogens and reproductive hazards, the environment to pollution, and compromise the integrity ...

• Development of Conductive Gels for Biomedical Applications 

  García Arroyo, Andrea N.; Rondón Contreras, Jairo J. (Polytechnic University of Puerto Rico, 2024-08-22)

  Conductive gels are essential in biomedical applications, particularly in electroencephalography (EEG), but they often cause skin irritations and evaluation interruptions as they dry out. This research explores the ...

• From Brown Tides to 3D Printers: Fabrication & Characterization of Novel Sargassum Based Polymer Composite Filaments for 3D Printing 

  Toro Bernal, Sebastián; Móvil Cabrera, Omar A. (Polytechnic University of Puerto Rico, 2024-09-18)

  Study the effect of the Sargassum weight percent (wt of the pellets on the printability, microstructure, and thermal mechanical properties of the fabricated polymer composites

• Use of Artificial Intelligence in Medical Classification for Hemiplegic Patients 

  Vázquez Lebrón, Natalia P. (2024-08-22)

  This study explores a machine learning-based neural network system using MATLAB to classify hemiplegia, a condition causing paralysis on one side of the body. Using data from the specialized treatment center “El laboratorio ...

• An Exploratory Study on the Development of Algae-Based Biodegradable Polymer Composite Structures Via Selective Laser Sintering 

  García, Stephanie; Móvil Cabrera, Omar A. (Polytechnic University of Puerto Rico, 2023-08-31)

  In response to climate change and agricultural runoff affecting the Amazon River, significant accumulations of brown macroalgae, Sargassum, have been observed along the South Coast of North America and the Caribbean since ...

• Relationship Between the Electrical Response of a Skeletal Muscle Versus the Applied Force and the Angle of Flexion 

  Figueroa Medina, Yanelys (Polytechnic University of Puerto Rico, 2023-08-31)

  Studying the relationship between muscle force and some electrical parameters of muscle measured on the surface could serve as an indirect indicator of force that would be useful for various applications In this work, is ...

• Improving Operational Efficiency and Downtime Reduction: Applying Lean Six Sigma in Material Recovery Facilities 

  Droz Cruz, Valeria N. (Polytechnic University of Puerto Rico, 2023-08-31)

  In response to challenges within the solid waste industry, this research focused on enhancing Material Recovery Facility (MRF) operations using Lean Six Sigma. Employing the DMAIC framework, the study tackled recurring ...

• Heart Disease Detection Using Machine Learning Models 

  González Cartagena, Rafael; Ocasio Adorno, Yadriel A. (Polytechnic University of Puerto Rico, 2023-08-31)

  Heart disease, that is, the set of various health complications that negatively affect the heart, is currently one of the main causes of worldwide deaths in human beings. For instance, in the United States (US), it has the ...

• Analysis of charge and discharge of a Solar Lithium Battery 

  Torres Feliciano, Juan G.; Molina, Ángel (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 

  Malavé Rodríguez, Jorge L. (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 

  Stedile Zolin, João Victor (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 

  Ortiz Stewart, Ishmael (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 

  Figueroa, Zuánichi; Polanco, Abraham; Rodríguez, Jeziel; Toro, Sebastián; (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 ...

View more