Adsorption of Amino Acids, Peptides, and a Monosaccharide byMarine Sediments:  Importance in Organic Matter             Decomposition Processes
{'Code': '06040302', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'OCE', 'LongName': 'Division Of Ocean Sciences'}}
{'SignBlockName': 'Nicholas Anderson', 'PO_EMAI': 'nanderso@nsf.gov', 'PO_PHON': '7032924715'}
Many organic compounds, including both polar and nonpolar                       substances, are adsorbed by marine sediments.  Adsorbed organic                 substances determine the physicochemical properties                             ofmostparticle surfaces in natural waters.                                      Further,adsorptionaffects thr rate of decomposition of organic                  substancesbybacteria. The proposed research will investigate                    theadsorptionof the amino acids alanine, glutamic acid, lysine,                 andleucine:several alanine peptides, and the monosaccharide                     glucose. Thegoals are to determine which organic constituents                   ofsedimentsadsorb amino acids, the effects of adsorption                        ondecompositionrates, and the mechanisms of adsorption.                         THeapproach willinvolve both field studies on fresh,                            intactsediments andlaboratory experiments with extracted                        sedimentorganic matter.The results of these studies will help                   answer thequestion: Isadsorption responsible, in part, for                      variation indecompositionrates of different organic substances?                 Doesadsorptioncontribute to differences in decomposition rates of               thesameorganic compound in sediments of differing composition?
{'FirstName': 'Susan', 'LastName': 'Henrichs', 'PI_MID_INIT': 'M', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Susan M Henrichs', 'EmailAddress': 'smhenrichs@alaska.edu', 'NSF_ID': '000473053', 'StartDate': '04/15/1989', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'University of Alaska Fairbanks Campus', 'CityName': 'FAIRBANKS', 'ZipCode': '997750001', 'PhoneNumber': '9074747301', 'StreetAddress': '2145 N TANANA LOOP', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Alaska', 'StateCode': 'AK', 'CONGRESSDISTRICT': '00', 'CONGRESS_DISTRICT_ORG': 'AK00', 'ORG_UEI_NUM': 'FDLEQSJ8FF63', 'ORG_LGL_BUS_NAME': 'UNIVERSITY OF ALASKA FAIRBANKS', 'ORG_PRNT_UEI_NUM': None}
{'Name': 'University of Alaska Institute of Marine Science', 'CityName': 'Fairbanks', 'StateCode': 'AK', 'ZipCode': '997751080', 'StreetAddress': None, 'CountryCode': 'US', 'CountryName': 'United States', 'StateName': 'Alaska', 'CountryFlag': '1', 'CONGRESSDISTRICT': '00', 'CONGRESS_DISTRICT_PERF': 'AK00'}
{'Code': '167000', 'Text': 'Chemical Oceanography'}
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1989&All=true', 'xml': '8900362.xml'}