TY - T1 - Nanonestekromatografia-mikrosirusähkösumutus-tandemmassaspektrometria-menetelmän SN - / UR - URN:NBN:fi-fe201801151112; http://hdl.handle.net/10138/18803 T3 - A1 - Saarelainen, Taija A2 - PB - Helsingfors universitet Y1 - 2010 LA - fin AB - Steroid hormones are involved in many physiological functions such as stress response and the maintenance of salt-water balance and pregnancy. Concentrations of steroids in the body fluids are generally very low (below ng/ml). Steroid hormones are metabolically associated and changes in mutual concentration levels of different steroids may signify a disease. Methods that allow the measurement of various steroids simultaneously are of great importance in investigating the role of steroid metaboli... VO - IS - SP - OP - KW - steroids; microchip; Nano liquid chromatography; mass spectrometry; electrospray ionization; plasma; mikrosiru; nanonestekromatografia; massaspektrometria; sähkösumutus; plasma; steroidit; Farmaceutisk kemi; Pharmaceutical Chemistry; Farmaseuttinen kemia N1 - PP - ER -