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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 ...
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. ...
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 ...
Heart Disease Detection Using Machine Learning Models
(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 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 ...
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, ...
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 ...
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 ...
A New Design Strategy for Developing Bi Functional Catalysts for Zinc Air Batteries
(Polytechnic University of Puerto Rico, 2021-09-17)
Zinc air batteries are a great alternative to replace lithium batteries, but they require an electrocatalyst for better ORR kinetics In this work, we proposed a new synthesis strategy for
a bifunctional electrocatalyst ...
Glow Discharge Plasma sterilization as an alternative for ethylene oxide sterilization (EtO)
(Polytechnic University of Puerto Rico, 2021-09-17)
This work is considering plasma sterilization
as an alternative for
ethylene oxide sterilization ( EtO ). Ethylene oxide is a carcinogen that
represents a threat to the environment and human health. During the
COVID ...