Immunoreactive insulin in diabetes mellitus patient sera detected by ultrasensitive ELISA with thio-NAD cycling

Etsuro Ito^*, Mugiho Kaneda, Hiromi Kodama, Mika Morikawa, Momoko Tai, Kana Aoki, Satoshi Watabe, Kazunari Nakaishi, Seiichi Hashida, Satoshi Tada, Noriyuki Kuroda, Hitomi Imachi, Koji Murao, Masakane Yamashita, Teruki Yoshimura, Toshiaki Miura