Discovery of chitin in skeletons of non-verongiid Red Sea demosponges

• Hermann Ehrlich ,

  Roles Conceptualization, Writing – original draft

  * E-mail: hermann.ehrlich@physik.tu-freiberg.de

  Affiliation Institute of Experimental Physics, TU Bergakademie Freiberg, Freiberg, Germany

  http://orcid.org/0000-0003-3654-0810

  ⨯
• Lamiaa A. Shaala,

  Roles Methodology

  Affiliations Natural Products Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia, Suez Canal University Hospital, Suez Canal University, Ismailia, Egypt

  ⨯
• Diaa T. A. Youssef,

  Roles Methodology

  Affiliations Department of Pharmacognosy, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt, Department of Natural Products, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia

  ⨯
• Sonia Żółtowska- Aksamitowska,

  Roles Methodology, Writing – review & editing

  Affiliation Institute of Chemical Technology and Engineering, Faculty of Chemical Technology Poznan University of Technology, Poznan, Poland

  ⨯
• Mikhail Tsurkan,

  Roles Methodology

  Affiliation Leibniz Institute of Polymer Research Dresden, Dresden, Germany

  ⨯
• Roberta Galli,

  Roles Methodology

  Affiliation Clinical Sensoring and Monitoring, Department of Anesthesiology and Intensive Care Medicine, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany

  ⨯
• Heike Meissner,

  Roles Methodology

  Affiliation Department of Prosthetic Dentistry, Faculty of Medicine and University Hospital Carl Gustav Carus of Technische Universität Dresden, Dresden, Germany

  ⨯
• Marcin Wysokowski,

  Roles Methodology, Writing – original draft

  Affiliation Institute of Chemical Technology and Engineering, Faculty of Chemical Technology Poznan University of Technology, Poznan, Poland

  ⨯
• Iaroslav Petrenko,

  Roles Methodology

  Affiliation Institute of Experimental Physics, TU Bergakademie Freiberg, Freiberg, Germany

  ⨯
• Konstantin R. Tabachnick,

  Roles Methodology

  Affiliation P.P. Shirshov Institute of Oceanology of Academy of Sciences of Russia, Moscow, Russia

  ⨯
• Viatcheslav N. Ivanenko,

  Roles Methodology

  Affiliation Department of Invertebrate Zoology, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia

  ⨯
• Nicole Bechmann,

  Roles Methodology, Writing – review & editing

  Affiliation Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Carl Gustav Carus, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany

  ⨯
• Yvonne Joseph,

  Roles Writing – original draft

  Affiliation Institute of Electronics and Sensor Materials, TU Bergakademie Freiberg, Freiberg, Germany

  ⨯
• Teofil Jesionowski

  Roles Writing – review & editing

  Affiliation Institute of Chemical Technology and Engineering, Faculty of Chemical Technology Poznan University of Technology, Poznan, Poland

  ⨯