Universidade Estadual do Paraná

Acute effect of caffeine on dynamic and isometric kimono grip performance in experienced Brazilian jiu-jitsu athletes: a randomized, double-blind, placebo-controlled crossover trial

Abstract Purpose Caffeine (CAF) is a well-established ergogenic aid; however, its effects on sport-specific grip performance in Brazilian Jiu-Jitsu (BJJ), particularly when dynamic and isometric components are assessed within the same protocol, remain unclear. This study investig...

Lodging resistance in older and modern soybean cultivars

Abstract Brazilian soybean yield has increased over time, coinciding with improvements in lodging resistance in modern cultivars. This study aimed (i) to evaluate the impact of simulated upright growth on yield components of lodging-susceptible (older) and lodging-resistant (mode...

Customer influence on value delivery in agricultural product development: the Brazilian farmers' perspective

Purpose This study aims to quantify the value delivery attributes of an innovative model of grain drying machine, focusing on its potential to enhance sustainability and efficiency in Brazilian agriculture. Design/methodology/approach This study employs a mixed-method approach, i...

Multimethod modeling to analyze the relationship between public health efficiency and social determinants management: a longitudinal study in Brazil

Purpose This study investigates the long-term relationship between management efficiency and representative indicators of the social determinants of public health across 390 municipalities in Paraná, Brazil. Design/methodology/approach The research employed multimethod modeling w...

School-based physical exercise intervention for adolescents’ mental health: An adaptation of the ‘ActTeens Program’ cluster RCT

Background: Although there is evidence on the associations between physical activity practice and adolescents’ mental health, there is still a lack of information on randomized controlled studies carried out in the school environment, and factors of the dose of PA still need to b...

Anthracnose control in avocado using Yamadazyma mexicana encapsulated with whey protein isolate and arabic gum by solution blow spraying

Microencapsulation using solution blow spraying represents an innovative strategy for preserving the viability of biocontrol agents in agricultural bioformulations. This study developed a formulation of Yamadazyma mexicana encapsulated with whey protein isolate and arabic gum, us...

Effects of Clear Aligner Therapy on Quality of Life and Anxiety Levels: An Exploratory Study in Patients With Disabilities

INTRODUCTION: Considering the orthodontic needs of individuals with disabilities and the potential impact of such treatments on both quality of life (QoL) and anxiety, this study aims to assess the effects of using clear aligner therapy (Invisalign) on QoL and anxiety levels in t...

Circulating Matrix Metalloproteinase Activity and Functional Capacity in Individuals Undergoing Hemodialysis: Exploratory Findings from a Resistance Training Trial

Abstract Purpose To investigate the effects of 24 weeks of resistance training (RT) on pro- and active matrix metalloproteinases (MMPs) and their association with functional performance in end-stage kidney disease (ESKD) patients undergoing hemodialysis. Methods Forty-two ESKD pa...