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Now showing items 21-30 of 33
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 Conductive Urinary Catheters and their Applications in Electro-Therapies to Overcome Antibiotic Resistance of Bacterial Biofilms
(Polytechnic University of Puerto Rico, 2021-09-17)
Today, antibiotic-resistant bacteria represent a global health challenge, especially for the control of catheter-associated urinal tract
infections (CAUTI). Conventional antibacterial treatment for CAUTI requires a high ...
Cheating in Engineering College Student: Reasons, Techniques, and Mitigations
(Polytechnic University of Puerto Rico, 2021-09-17)
On August 2020, the main researcher was selected to be part of the Undergraduate Research Program for Honor Students (URP-HS) within
the Polytechnic University of Puerto Rico with the assigned topic of cheating (academic ...
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 ...
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 ...
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 ...
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 ...
Improvements to the Infrastructure of the Centro Vacacional y Balneario de Boquerón, Cabo Rojo, Puerto Rico
(Polytechnic University of Puerto Rico, 2021)
The Centro Vacacional y Balneario de Boquerón (CVB) is recognized as a historically high demand publicly owned recreational facility. Throughout the years it has underwent a series of maintenance and compliance issues ...
Diseño de Calles Completas en la Ave. Luis Muñoz Rivera
(Universidad Politécnica de Puerto Rico, 2020)
En este trabajo de Investigación y Diseño se presenta una propuesta de Calles Completas. Luego de haber realizado una
investigación sobre los problemas en la condición existente y realizar un estudio de tránsito en el ...