Katarzyna Majchrzycka, PhD-1999, DSc, is the head of the Department of Personal Protective Equipment (PPE) in Central Institute for Labour Protection - National Research Institute. She carries out activities directed at research in the area of protective and utility parameters of personal protective equipment, proper selection, and development of new solutions and manufacturing technologies. Her primary research focusing on the filtering materials used to protect against bioaerosols. She has participated in several research projects and is the author or co-author of 15 patents and over 120 publications. Also, a laureate of numerous awards in field of innovativeness,scientific research and new technologies in developing advanced PPE. Ma¿gorzata Okrasa, PhD-2012, is a physicist and researcher in the field of respiratory protection. She works in the Laboratory of Respiratory Protective Devices, Department of Personal Protective Equipment at Central Institute of Labour Protection - National Research Institute, Poland. She is actively involved in the fields of safety research and environmental engineering, especially in relation to occupational exposure to harmful airborne substances; PPE design, fabrication and testing with respect to existing hazards and working conditions. Justyna Szulc, PhD-2015 is a biotechnologist and microbiologist in the Department of Environmental Biotechnology, Lodz University of Technology, Poland. She is a researcher in the field of environmental microbiology, harmful biological agents at the workplaces, airborne microorganisms, antimicrobialactivity of technical materials, metabolomics and metabolomics imaging of environmental samples. She is amember of Polish Society of Microbiologists.
