title: Determination of nanomolar quantities of free amino acids dissolved in North Atlantic Ocean waters.
mesh_terms: D000596:Amino Acids / Q000032:analysis* / Q000302:isolation & purification; D055598:Chemical Phenomena; D002621:Chemistry; D002849:Chromatography, Gas; D002852:Chromatography, Ion Exchange; D000431:Ethanol; D005019:Ethyl Ethers; D005612:Freeze Drying; D005843:Geography; D008722:Methods; D008832:Microchemistry; D009791:Oceanography; D012623:Seawater / Q000032:analysis; D012825:Silicon; D012828:Silicones; D012995:Solubility; D014867:Water / Q000032:analysis*
chemical_list: D000596:Amino Acids; D005019:Ethyl Ethers; D012828:Silicones; D014867:Water; D000431:Ethanol; D012825:Silicon