This book highlights and explains some topics of functionalized, less common (e.g., bio-based) fibrous structures creation, characterization of their properties, and their special applications. It comprises mainly some important but not widely known fibers such as bacterial cellulose, coir, banana, and mohair fibers of natural origin, bio-based fibers, and waste-based fibers (such as paper), more suitable for the future needs of the textile branch. The benefits of the preparation of synthetic fibers from natural-based monomers in comparison with fibers of natural origin are shown. The use of reprocessed and recycled fibrous wastes, leading to a reduction of consumption of resources, whether renewable or fossil, is covered as well. The modification of fibrous structures by bio-prepared metal nanoparticles is also discussed.

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Prof. Ing. Jirí Militký, PhD, is a university professor in the Department of Material Engineering, Faculty of Textile Engineering, Technical University of Liberec, Czech Republic. He is a renowned contributor in the field of Textile Sciences. His scientific activities are mainly in the areas of textile physics, textile material engineering, nanocomposites, and statistical data treatment. In 2018, he was recognized at AUTEX for his decades of high-quality contribution to textile sciences, famously known as "TEXTILE OSCAR."

Assoc. Prof. Mohanapriya Venkataraman, PhD, is a passionate textile material scientist, working as an associate professor in the Department of Material Engineering, Faculty of Textile Engineering, at the Technical University of Liberec, Czech Republic. Her teaching and research areas include textile materials, thermodynamic analysis, micro-and nanoporous materials, heat transfer, polymers, and composites. She is a leader and a team member of multiple international research projects funded by the EU, the Technology Agency of the Czech Republic (TA CR), and the Czech Science Foundation (GA CR).