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Folic acid and glutathione in the water column of the North East Atlantic
Reactive folic acid and glutathione were determined in the water column of the north east Atlantic between 30 and 54°N, 20°W. Cathodic stripping voltammetry (CSV) was used to determine these compounds on board ship at low nanomolar levels after minimal sample pretreatment. Folic acid was found to oc...
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Published in: | Deep-sea research. Part I, Oceanographic research papers Oceanographic research papers, 1998-11, Vol.45 (11), p.1903-1918 |
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container_end_page | 1918 |
container_issue | 11 |
container_start_page | 1903 |
container_title | Deep-sea research. Part I, Oceanographic research papers |
container_volume | 45 |
creator | Christine, Anne Gall, Le Van Den Berg, Constant M.G. |
description | Reactive folic acid and glutathione were determined in the water column of the north east Atlantic between 30 and 54°N, 20°W. Cathodic stripping voltammetry (CSV) was used to determine these compounds on board ship at low nanomolar levels after minimal sample pretreatment. Folic acid was found to occur throughout the water column, whereas glutathione was found only in the upper water column as it was undetectable in deep waters. The concentration of glutathione ranged from |
doi_str_mv | 10.1016/S0967-0637(98)00042-9 |
format | article |
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nmol/l, the folic acid concentrations generally between 0.10 and 4.0
nmol/l. Folic acid was found to follow the same trend as the Chl-
a fluorescence in the upper water column but not in deeper waters. The data show that both folic acid and glutathione are very reactive in the oceanic water column, presumably as a result of in situ production and uptake by microorganisms. The high bioactivity was confirmed by rapid decreases in the concentrations of folic acid and glutathione in unfiltered seawater during storage over periods of hours.</description><identifier>ISSN: 0967-0637</identifier><identifier>EISSN: 1879-0119</identifier><identifier>DOI: 10.1016/S0967-0637(98)00042-9</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Chemicals ; Earth, ocean, space ; Exact sciences and technology ; External geophysics ; Marine ; Oceanography ; Physical and chemical properties of sea water ; Physics of the oceans ; Vitamin B</subject><ispartof>Deep-sea research. Part I, Oceanographic research papers, 1998-11, Vol.45 (11), p.1903-1918</ispartof><rights>1998 Elsevier Science Ltd</rights><rights>1999 INIST-CNRS</rights><rights>Copyright Pergamon Press Inc. Nov 1998</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c446t-930a025702c03fb04ef6212fa62e4ba43f25802697edb43de79464bb651bea3d3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1604656$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Christine, Anne</creatorcontrib><creatorcontrib>Gall, Le</creatorcontrib><creatorcontrib>Van Den Berg, Constant M.G.</creatorcontrib><title>Folic acid and glutathione in the water column of the North East Atlantic</title><title>Deep-sea research. Part I, Oceanographic research papers</title><description>Reactive folic acid and glutathione were determined in the water column of the north east Atlantic between 30 and 54°N, 20°W. Cathodic stripping voltammetry (CSV) was used to determine these compounds on board ship at low nanomolar levels after minimal sample pretreatment. Folic acid was found to occur throughout the water column, whereas glutathione was found only in the upper water column as it was undetectable in deep waters. The concentration of glutathione ranged from <1 to 15
nmol/l, the folic acid concentrations generally between 0.10 and 4.0
nmol/l. Folic acid was found to follow the same trend as the Chl-
a fluorescence in the upper water column but not in deeper waters. The data show that both folic acid and glutathione are very reactive in the oceanic water column, presumably as a result of in situ production and uptake by microorganisms. The high bioactivity was confirmed by rapid decreases in the concentrations of folic acid and glutathione in unfiltered seawater during storage over periods of hours.</description><subject>Chemicals</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>Marine</subject><subject>Oceanography</subject><subject>Physical and chemical properties of sea water</subject><subject>Physics of the oceans</subject><subject>Vitamin B</subject><issn>0967-0637</issn><issn>1879-0119</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNqFkE1r3DAQQEVJoJs0P6EgSintwc1IlmXrVJawmyyE5NDmLGR53FXwWhtJTui_r3Y3JJBLLjMwvPl6hHxm8JMBk-e_Qcm6AFnW31XzAwAEL9QHMmNNrQpgTB2R2QvykZzEeJ8hJhuYkdXSD85SY11HzdjRv8OUTFo7PyJ1I01rpE8mYaDWD9NmpL7f1258SGu6MDHReRrMmJz9RI57M0Q8e86n5G65-HNxVVzfXq4u5teFFUKmQpVggFc1cAtl34LAXnLGeyM5itaIsudVA1yqGrtWlB3WSkjRtrJiLZqyK0_Jt8PcbfAPE8akNy5aHPIV6KeoWZ3_ziGDX96A934KY75NMyVlVTUVz1B1gGzwMQbs9Ta4jQn_NAO9s6v3dvVOnVaN3tvVKvd9fR5uojVDH8xoXXxtliBkJTP264BhNvLoMOhoHY4WOxfQJt15986i_8_bjD8</recordid><startdate>19981101</startdate><enddate>19981101</enddate><creator>Christine, Anne</creator><creator>Gall, Le</creator><creator>Van Den Berg, Constant M.G.</creator><general>Elsevier Ltd</general><general>Elsevier</general><general>Pergamon Press Inc</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope></search><sort><creationdate>19981101</creationdate><title>Folic acid and glutathione in the water column of the North East Atlantic</title><author>Christine, Anne ; Gall, Le ; Van Den Berg, Constant M.G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c446t-930a025702c03fb04ef6212fa62e4ba43f25802697edb43de79464bb651bea3d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Chemicals</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>External geophysics</topic><topic>Marine</topic><topic>Oceanography</topic><topic>Physical and chemical properties of sea water</topic><topic>Physics of the oceans</topic><topic>Vitamin B</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Christine, Anne</creatorcontrib><creatorcontrib>Gall, Le</creatorcontrib><creatorcontrib>Van Den Berg, Constant M.G.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Deep-sea research. Part I, Oceanographic research papers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Christine, Anne</au><au>Gall, Le</au><au>Van Den Berg, Constant M.G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Folic acid and glutathione in the water column of the North East Atlantic</atitle><jtitle>Deep-sea research. Part I, Oceanographic research papers</jtitle><date>1998-11-01</date><risdate>1998</risdate><volume>45</volume><issue>11</issue><spage>1903</spage><epage>1918</epage><pages>1903-1918</pages><issn>0967-0637</issn><eissn>1879-0119</eissn><abstract>Reactive folic acid and glutathione were determined in the water column of the north east Atlantic between 30 and 54°N, 20°W. Cathodic stripping voltammetry (CSV) was used to determine these compounds on board ship at low nanomolar levels after minimal sample pretreatment. Folic acid was found to occur throughout the water column, whereas glutathione was found only in the upper water column as it was undetectable in deep waters. The concentration of glutathione ranged from <1 to 15
nmol/l, the folic acid concentrations generally between 0.10 and 4.0
nmol/l. Folic acid was found to follow the same trend as the Chl-
a fluorescence in the upper water column but not in deeper waters. The data show that both folic acid and glutathione are very reactive in the oceanic water column, presumably as a result of in situ production and uptake by microorganisms. The high bioactivity was confirmed by rapid decreases in the concentrations of folic acid and glutathione in unfiltered seawater during storage over periods of hours.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/S0967-0637(98)00042-9</doi><tpages>16</tpages></addata></record> |
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issn | 0967-0637 1879-0119 |
language | eng |
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source | ScienceDirect Freedom Collection |
subjects | Chemicals Earth, ocean, space Exact sciences and technology External geophysics Marine Oceanography Physical and chemical properties of sea water Physics of the oceans Vitamin B |
title | Folic acid and glutathione in the water column of the North East Atlantic |
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