. . . . "A method to identify and quantify compounds by measuring the mass-to-charge ratio of ions produced from sample molecules." . . "mass spectrometry" . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCFntPrMZqvg2kVhCNArNnEn37ddXGwZ/0r4C8CS4lDry7C7YkYgng9yb0UMZQUHiTVkR/5A4m/xjE+Vy+AnwcWUeB75SfGZjE5ylI6VeHjTHi9+2hh2PHYIWnkhU4WHl3COEnxSSa/VouvPzZ2BIWLH6fTrq7NNL3RF5hGegGG0QIDAQAB" . "aX62hCYvh8QjX/V7cAEzOFC1Zzz/HJsDYSeVegsh83vpwem3R8l0LuILJ08KapYJ7P0MKEZqJQllKXUu6WzmvWbPj5iKRUnZen0qRcrl3BSFUGzIwzjiv/25z6Z6DuJXGds1p92g+jWLR7E3/EFrqvlWNmCi9eTCXoH+BzZ+69o=" . . "2023-09-09T14:34:46.829Z"^^ . . . . "Methodology: mass spectrometry" . . . . .