Publications by authors named "R Naveenkumar"

In this study, a sustainable green synthesis route was developed to fabricate CuO, Co-doped CuO (Co-CuO), and a novel Activated Biocarbon-Co-doped CuO (ABC-Co-CuO) nanocomposite using (lotus) leaf extract. The key novelty of this study is the integrated use of lotus leaf extract as a bioreductant and lotus fiber biomass as a precursor of activated biocarbon (ABC) to create a multifunctional hybrid material. The primary objective was to design green and cost-effective nanocomposites with improved catalytic, electrochemical, and biological performance for multifunctional applications.

View Article and Find Full Text PDF

BackgroundElderly people as age increases often struggle with weight lifting in their daily lives due to decreased muscle strength and endurance. This limits their ability to perform routine tasks, which affects their independence and quality of life.ObjectiveThe aim of this study is to evaluate and predict the effectiveness of the developed upper limb Exo-skeleton for weight lifting, using ergonomic analysis and a weighted K-Nearest Neighbors (KNN) machine learning algorithm.

View Article and Find Full Text PDF

Objectives: The acetabular cup design plays a critical role in reducing contact stress between femur head acetabular cup. Many studies used ellipsoidal and spheroidal geometry in acetabular cup design to effectively reduce contact stress. The present study focuses on elevated acetabular cup rim with round corner design to reduce contact stress with round corner geometry.

View Article and Find Full Text PDF