**About the Editor**

**Levente Cs ´oka** (Professor, 45 years old, Doctor of the Hungarian Academy of Science, he holds the Hungarian Order of Merit (Knight's Cross)) has extended research experience in the field of cellulose, pulp and paper manufacturing, nanoparticle processing and testing, wastewater remediation and ultrasound extraction of bioactive compounds from hemp—both for fundamental and industrial R&D projects. He is one of the pioneers of using nanotechnology in the paper industry, including layer-by-layer coatings and manufacturing of antimicrobial nanoparticles. He has held positions in Japan, the USA and Finland. He is co-author of more than 200 publications and has an H index of 20.
