Raman spectroscopy identified fingernail compositional differences between sexes and age-related changes but not handedness or fingers in a healthy cohort

• Nai-Hao Yin ,

  Roles Conceptualization, Formal analysis, Methodology, Project administration, Writing – original draft, Writing – review & editing

  * E-mail: n.yin@lancaster.ac.uk

  Affiliation Lancaster Medical School, Faculty of Health and Medicine, Lancaster University, Lancaster, United Kingdom

  https://orcid.org/0000-0002-6764-9790

  ⨯
• Frances Griffiths,

  Roles Supervision, Writing – review & editing

  Affiliation Warwick Medical School, The University of Warwick, Warwick, United Kingdom

  ⨯
• Claire Mann,

  Roles Writing – review & editing

  Affiliation Warwick Medical School, The University of Warwick, Warwick, United Kingdom

  ⨯
• Helen Dawes,

  Roles Supervision, Writing – review & editing

  Affiliation College of Medicine and Health, University of Exeter, Exeter, United Kingdom

  ⨯
• Richard van Arkel,

  Roles Supervision, Writing – review & editing

  Affiliation Department of Mechanical Engineering, Imperial College London, London, United Kingdom

  ⨯
• Marwan Bukhari,

  Roles Supervision, Writing – review & editing

  Affiliation Department of Rheumatology, University Hospitals of Morecambe Bay NHS Trust, Lancaster, United Kingdom

  ⨯
• Jemma G. Kerns

  Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing

  Affiliation Lancaster Medical School, Faculty of Health and Medicine, Lancaster University, Lancaster, United Kingdom

  ⨯