Publications by authors named "Ivan Kopal"

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Innovative Carbon Black Replacement in Rubber Compound: Impact of Pyrolytic Carbon Black and Energy-Gypsum By-Products on Vulcanization and Properties.
Ivan Labaj, Juliána Vršková, Ivan Kopal, Andrej Dubec, Darina Ondrušová

Polymers (Basel)· November 2025

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Silver-Surface-Enhanced Raman Spectra of Berberine: Analyte-Induced Surface Changes, Variable Concentration Correlation, and Excitation Wavelength Dependence.
Ivan Kopal, Valerie Smeliková

Langmuir· July 2025

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Predictive Modelling and Optimisation of Rubber Blend Mixing Using a General Regression Neural Network.
Ivan Kopal, Ivan Labaj, Juliána Vršková, Marta Harničárová, Jan Valíček

Polymers (Basel)· July 2025

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Surpassing the Diffraction Limit in Label-Free Optical Microscopy.
David Palounek, Milan Vala, Łukasz Bujak, Ivan Kopal, Kateřina Jiříková

ACS Photonics· October 2024

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Characterization of Modified PVDF Membranes Using Fourier Transform Infrared and Raman Microscopy and Infrared Nanoimaging: Challenges and Advantages of Individual Methods.
Matěj Kmetík, Ivan Kopal, Martin Král, Marcela Dendisová

ACS Omega· June 2024

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Unveiling the Crucial Role of Chemical Enhancement in the SERS Analysis of Amphetamine-Metal Interactions on Gold and Silver Surfaces: Importance of Selective Amplification of the Narrow Interval of Vibrational Modes.
Valerie Smeliková, Ivan Kopal, Martin Člupek, Marcela Dendisová, Marie Švecová

Anal Chem· April 2024

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Laser-Induced Reactions of 4-Aminobenzenthiol Species Adsorbed on Ag, Au, and Cu Plasmonic Structures Followed by SERS Spectroscopy. The Role of Substrate and Excitation Energy - Surface-Complex Photochemistry and Plasmonic Catalysis.
Ivan Kopal, Marie Švecová, Vojtěch Jeřábek, David Palounek, Tereza Čapková

ACS Omega· February 2024

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Intelligent Modelling of the Real Dynamic Viscosity of Rubber Blends Using Parallel Computing.
Ivan Kopal, Ivan Labaj, Juliána Vršková, Marta Harničárová, Jan Valíček

Polymers (Basel)· September 2023

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Structural and Mechanical Changes of AlMgSi Alloy during Extrusion by ECAP Method.
Marta Harničárová, Jan Valíček, Milena Kušnerová, Ivan Kopal, Miloslav Lupták

Materials (Basel)· March 2022

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A Generalized Regression Neural Network Model for Predicting the Curing Characteristics of Carbon Black-Filled Rubber Blends.
Ivan Kopal, Ivan Labaj, Juliána Vršková, Marta Harničárová, Jan Valíček

Polymers (Basel)· February 2022

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A New Method of Predicting the Structural and Mechanical Change of Materials during Extrusion by the Method of Multiple Plastic Deformations.
Marta Harničárová, Jan Valíček, Milena Kušnerová, Zuzana Palková, Ivan Kopal

Materials (Basel)· May 2021

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Modelling the Stiffness-Temperature Dependence of Resin-Rubber Blends Cured by High-Energy Electron Beam Radiation Using Global Search Genetic Algorithm.
Ivan Kopal, Juliána Vršková, Alžbeta Bakošová, Marta Harničárová, Ivan Labaj

Polymers (Basel)· November 2020

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Radial Basis Function Neural Network-Based Modeling of the Dynamic Thermo-Mechanical Response and Damping Behavior of Thermoplastic Elastomer Systems.
Ivan Kopal, Marta Harničárová, Jan Valíček, Jan Krmela, Ondrej Lukáč

Polymers (Basel)· June 2019

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The Effect of High-Energy Ionizing Radiation on the Mechanical Properties of a Melamine Resin, Phenol-Formaldehyde Resin, and Nitrile Rubber Blend.
Ivan Kopal, Juliana Vršková, Ivan Labaj, Darina Ondrušová, Peter Hybler

Materials (Basel)· November 2018

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Prediction of the Tensile Response of Carbon Black Filled Rubber Blends by Artificial Neural Network.
Ivan Kopal, Ivan Labaj, Marta Harničárová, Jan Valíček, Dušan Hrubý

Polymers (Basel)· June 2018

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Modeling the Temperature Dependence of Dynamic Mechanical Properties and Visco-Elastic Behavior of Thermoplastic Polyurethane Using Artificial Neural Network.
Ivan Kopal, Marta Harničárová, Jan Valíček, Milena Kušnerová

Polymers (Basel)· October 2017

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Identification of Upper and Lower Level Yield Strength in Materials.
Jan Valíček, Marta Harničárová, Ivan Kopal, Zuzana Palková, Milena Kušnerová

Materials (Basel)· August 2017

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