{"@context":{"content":"http:\/\/purl.org\/rss\/1.0\/modules\/content\/","dc":"http:\/\/purl.org\/dc\/terms\/","foaf":"http:\/\/xmlns.com\/foaf\/0.1\/","og":"http:\/\/ogp.me\/ns#","rdfs":"http:\/\/www.w3.org\/2000\/01\/rdf-schema#","sioc":"http:\/\/rdfs.org\/sioc\/ns#","sioct":"http:\/\/rdfs.org\/sioc\/types#","skos":"http:\/\/www.w3.org\/2004\/02\/skos\/core#","xsd":"http:\/\/www.w3.org\/2001\/XMLSchema#","owl":"http:\/\/www.w3.org\/2002\/07\/owl#","rdf":"http:\/\/www.w3.org\/1999\/02\/22-rdf-syntax-ns#","rss":"http:\/\/purl.org\/rss\/1.0\/","site":"https:\/\/www.bco-dmo.org\/ns#","odo":"http:\/\/ocean-data.org\/schema\/","emo":"http:\/\/ocean-data.org\/schema\/entity-matching#","bibo":"http:\/\/purl.org\/ontology\/bibo\/","crypto":"http:\/\/id.loc.gov\/vocabulary\/preservation\/cryptographicHashFunctions\/","bcodmo":"http:\/\/lod.bco-dmo.org\/id\/","tw":"http:\/\/tw.rpi.edu\/schema\/","dcat":"http:\/\/www.w3.org\/ns\/dcat#","time":"http:\/\/www.w3.org\/2006\/time#","geo":"http:\/\/www.w3.org\/2003\/01\/geo\/wgs84_pos#","geosparql":"http:\/\/www.opengis.net\/ont\/geosparql#","sf":"http:\/\/www.opengis.net\/ont\/sf#","void":"http:\/\/rdfs.org\/ns\/void#","sd":"http:\/\/www.w3.org\/ns\/sparql-service-description#","dctype":"http:\/\/purl.org\/dc\/dcmitype\/","prov":"http:\/\/www.w3.org\/ns\/prov#","schema":"http:\/\/schema.org\/","geolink":"http:\/\/schema.geolink.org\/1.0\/base\/main#","spdx":"http:\/\/spdx.org\/rdf\/terms#","bcodmo_vocab":"http:\/\/schema.bco-dmo.org\/"},"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset\/742780#graph","@graph":[{"http:\/\/lod.bco-dmo.org\/id\/dataset\/742780":{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset\/742780","@type":["http:\/\/ocean-data.org\/schema\/DeploymentDatasetCollection","http:\/\/www.w3.org\/ns\/dcat#Dataset","http:\/\/ocean-data.org\/schema\/Dataset"],"http:\/\/ocean-data.org\/schema\/hasAcquisitionDescription":[{"@value":"
Water was collected via Niskin bottles mounted on a rosette, equipped with a CTD.<\/p>\n
Five substrates linked to a 7-amido-4-methyl coumarin (MCA) fluorophore, one amino acid \u2013 leucine \u2013 and four oligopeptides \u2013 the chymotrypsin substrates alanine-alanine-phenylalanine (AAF) and alanine-alanine-proline-phenylalanine (AAPF), and the trypsin substrates glutamine-alanine-arginine (QAR) and glutamic acid-gylcine-arginine (EGR) \u2013 were used to measure exo- and endo-acting peptidase activities, respectively. Hydrolysis rates of the substrates were measured as an increase in fluorescence as the fluorophore was hydrolyzed from the substrate over time [as in Hoppe, 1993; Obayashi and Suzuki, 2005]. Incubations with the seven low molecular weight substrates were set up in 4 ml cuvettes. For each substrate, triplicate cuvettes were filled with a total volume of 4 ml seawater for experimental incubations; single cuvettes were filled with 4 ml autoclaved seawater for killed control incubations. Substrate was added 100 micromolar concentrations. Fluorescence was measured over at 0 hrs, 24 h, 48h, and 72 h, using a mini fluorimeter. Hydrolysis rates were calculated from the rate of increase of fluorescence in the incubation over time relative to a set of standards of known concentration of fluorophore.<\/p>\n
All incubations were conducted at 0 C in the dark.<\/p><\/div>","@type":"rdf:HTML"}],"http:\/\/ocean-data.org\/schema\/hasBriefDescription":[{"@value":"ARK27-3: Bulk MCA","@language":"en-US"}],"http:\/\/purl.org\/dc\/terms\/description":[{"@value":"
This dataset includes peptidase activities measured in bulk (not filter-fractionated) seawater. Links to archived CTD data are also provided.\u00a0Five substrates linked to a 7-amido-4-methyl coumarin (MCA) fluorophore, one amino acid \u2013 leucine \u2013 and four oligopeptides \u2013 the chymotrypsin substrates alanine-alanine-phenylalanine (AAF) and alanine-alanine-proline-phenylalanine (AAPF), and the trypsin substrates glutamine-alanine-arginine (QAR) and glutamic acid-gylcine-arginine (EGR) \u2013 were used to measure exo- and endo-acting peptidase activities, respectively.<\/p><\/div>","@type":"rdf:HTML"}],"http:\/\/www.w3.org\/2000\/01\/rdf-schema#label":[{"@value":"ARK27-3: Bulk MCA hydrolysis rates","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/hasProcessingDescription":[{"@value":"
BCO-DMO Processing Notes:<\/strong>
\n- added conventional header with dataset name, PI name, version date
\n- reduced decimal precision of rate columns from 9 to 6 places<\/p><\/div>","@type":"rdf:HTML"}],"http:\/\/purl.org\/dc\/terms\/identifier":[{"@value":"742780","@type":"xsd:int"}],"http:\/\/purl.org\/dc\/terms\/title":[{"@value":"ARK27-3: Bulk MCA hydrolysis rates"}],"http:\/\/purl.org\/dc\/terms\/date":[{"@value":"2018-07-30T10:23:34-04:00","@type":"xsd:dateTime"}],"http:\/\/purl.org\/dc\/terms\/created":[{"@value":"2018-07-30T10:23:34-04:00","@type":"xsd:dateTime"}],"http:\/\/purl.org\/dc\/terms\/modified":[{"@value":"2023-07-07T16:10:26-04:00","@type":"xsd:dateTime"}],"http:\/\/rdfs.org\/ns\/void#inDataset":[{"@id":"http:\/\/www.bco-dmo.org\/"}],"http:\/\/ocean-data.org\/schema\/namedGraph":[{"@value":"urn:bcodmo:dataset:742780","@type":"xsd:token"}],"http:\/\/ocean-data.org\/schema\/osprey_page":[{"@id":"https:\/\/www.bco-dmo.org\/dataset\/742780"}],"http:\/\/ocean-data.org\/schema\/identifier":[{"@value":"_:Identifier742780"}],"http:\/\/ocean-data.org\/schema\/datasetTitle":[{"@value":"Microbial enzyme activities: peptidase activities in bulk seawater samples from the RV\\Polarstern cruise ARKXXVII\/3 in the Central Arctic Ocean and Laptev Sea, Aug-Sept. 2012","@language":"en-US"}],"http:\/\/ocean-data.org\/schema\/abstract":[{"@value":"This dataset includes peptidase activities measured in bulk (not filter-fractionated) seawater. Links to archived CTD data are also provided. Five substrates linked to a 7-amido-4-methyl coumarin (MCA) fluorophore, one amino acid \u2013 leucine \u2013 and four oligopeptides \u2013 the chymotrypsin substrates alanine-alanine-phenylalanine (AAF) and alanine-alanine-proline-phenylalanine (AAPF), and the trypsin substrates glutamine-alanine-arginine (QAR) and glutamic acid-gylcine-arginine (EGR) \u2013 were used to measure exo- and endo-acting peptidase activities, respectively.","@language":"en-US"}],"http:\/\/purl.org\/dc\/terms\/rights":[{"@id":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"http:\/\/ocean-data.org\/schema\/deprecated":[{"@value":"false","@type":"xsd:boolean"}],"http:\/\/ocean-data.org\/schema\/temporalExtent":[{"@value":"_:temporalExtent742780"}],"http:\/\/ocean-data.org\/schema\/spatialCoverage":[{"@value":"_:spatialCoverage742780"}],"http:\/\/purl.org\/dc\/terms\/bibliographicCitation":[{"@value":"Arnosti, C. (2020) Microbial enzyme activities: peptidase activities in bulk seawater samples from the RV\\Polarstern cruise ARKXXVII\/3 in the Central Arctic Ocean and Laptev Sea, Aug-Sept. 2012. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2018-07-24 [if applicable, indicate subset used]. doi:10.26008\/1912\/bco-dmo.742780.1 [access date]","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/validated":[{"@value":"true","@type":"xsd:boolean"}],"http:\/\/ocean-data.org\/schema\/versionLabel":[{"@value":"1","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/currentState":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-current-state\/7"}],"http:\/\/ocean-data.org\/schema\/nodcTopic":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/nodc-dataset-topic\/156"}],"http:\/\/ocean-data.org\/schema\/datasetType":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-type\/172"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-type\/157"}],"http:\/\/purl.org\/ontology\/bibo\/doi":[{"@value":"10.26008\/1912\/bco-dmo.742780.1","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/restricted":[{"@value":"false","@type":"xsd:boolean"}],"http:\/\/ocean-data.org\/schema\/hasAward":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/award\/712358"}],"http:\/\/ocean-data.org\/schema\/fromInstrument":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-instrument\/742785"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-instrument\/742786"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-instrument\/742787"}],"http:\/\/ocean-data.org\/schema\/storesValuesFor":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742803"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742804"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742805"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742806"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742807"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742808"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742809"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742810"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742811"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742812"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742813"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742814"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742815"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742816"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742817"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset-parameter\/742818"}],"http:\/\/ocean-data.org\/schema\/hasAgentWithRole":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/person-role\/742782"},{"@id":"http:\/\/lod.bco-dmo.org\/id\/person-role\/742783"}],"http:\/\/purl.org\/dc\/terms\/language":[{"@value":"http:\/\/id.loc.gov\/vocabulary\/iso639-1\/en","@type":"xsd:anyURI"}],"http:\/\/xmlns.com\/foaf\/0.1\/homepage":[{"@id":"https:\/\/www.bco-dmo.org\/dataset\/742780"}],"http:\/\/purl.org\/dc\/terms\/issued":[{"@value":"2018-07-24","@type":"xsd:date"}],"http:\/\/purl.org\/dc\/terms\/publisher":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/affiliation\/191"}],"http:\/\/www.w3.org\/ns\/dcat#contactPoint":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/person\/661940"}]},"_:frictionlessdata742780":{"@id":"_:frictionlessdata742780","@type":["http:\/\/ocean-data.org\/schema\/MetadataDownloadAffordance"],"http:\/\/schema.org\/subjectOf":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset\/742780"}],"http:\/\/schema.org\/name":[{"@value":"Datapackage.json","@type":"xsd:string"}],"http:\/\/schema.org\/alternateName":[{"@value":"Frictionless Data Package","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/affordedBy":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/affiliation\/191"}],"http:\/\/schema.org\/target":[{"@value":"_:frictionlessdata742780entryPoint"}]},"_:frictionlessdata742780entryPoint":{"@id":"_:frictionlessdata742780entryPoint","@type":["http:\/\/schema.org\/EntryPoint"],"http:\/\/schema.org\/url":[{"@value":"https:\/\/www.bco-dmo.org\/dataset\/742780\/datapackage.json","@type":"xsd:anyURI"}],"http:\/\/schema.org\/contentType":[{"@value":"application\/vnd.datapackage+json","@type":"xsd:token"}]},"_:datasetdescription742780":{"@id":"_:datasetdescription742780","@type":["http:\/\/ocean-data.org\/schema\/MetadataDownloadAffordance"],"http:\/\/schema.org\/subjectOf":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset\/742780"}],"http:\/\/schema.org\/name":[{"@value":"PDF","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/affordedBy":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/affiliation\/191"}],"http:\/\/schema.org\/target":[{"@value":"_:datasetdescription742780entryPoint"}]},"_:datasetdescription742780entryPoint":{"@id":"_:datasetdescription742780entryPoint","@type":["http:\/\/schema.org\/EntryPoint","http:\/\/ocean-data.org\/schema\/PdfDatasetDescription"],"http:\/\/schema.org\/url":[{"@value":"https:\/\/www.bco-dmo.org\/dataset\/742780\/Dataset_description.pdf","@type":"xsd:anyURI"}],"http:\/\/schema.org\/contentType":[{"@value":"application\/pdf","@type":"xsd:token"}]},"_:iso742780":{"@id":"_:iso742780","@type":["http:\/\/ocean-data.org\/schema\/MetadataDownloadAffordance"],"http:\/\/schema.org\/subjectOf":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset\/742780"}],"http:\/\/schema.org\/name":[{"@value":"ISO 19115-2 (NOAA Profile)","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/affordedBy":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/affiliation\/191"}],"http:\/\/schema.org\/target":[{"@value":"_:iso742780entryPoint"}]},"_:iso742780entryPoint":{"@id":"_:iso742780entryPoint","@type":["http:\/\/schema.org\/EntryPoint","http:\/\/ocean-data.org\/schema\/ISOMetadata"],"http:\/\/schema.org\/url":[{"@value":"https:\/\/www.bco-dmo.org\/dataset\/742780\/iso","@type":"xsd:anyURI"}],"http:\/\/schema.org\/contentType":[{"@value":"application\/xml","@type":"xsd:token"}],"http:\/\/purl.org\/dc\/terms\/conformsTo":[{"@value":"http:\/\/www.isotc211.org\/2005\/gmd-noaa","@type":"xsd:anyURI"}]},"_:dublincore742780":{"@id":"_:dublincore742780","@type":["http:\/\/ocean-data.org\/schema\/MetadataDownloadAffordance"],"http:\/\/schema.org\/subjectOf":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/dataset\/742780"}],"http:\/\/schema.org\/name":[{"@value":"Dublin Core","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/affordedBy":[{"@id":"http:\/\/lod.bco-dmo.org\/id\/affiliation\/191"}],"http:\/\/schema.org\/target":[{"@value":"_:dublincore742780entryPoint"}]},"_:dublincore742780entryPoint":{"@id":"_:dublincore742780entryPoint","@type":["http:\/\/schema.org\/EntryPoint"],"http:\/\/schema.org\/url":[{"@value":"https:\/\/www.bco-dmo.org\/dataset\/742780\/dublin-core","@type":"xsd:anyURI"}],"http:\/\/schema.org\/contentType":[{"@value":"application\/xml","@type":"xsd:token"}],"http:\/\/purl.org\/dc\/terms\/conformsTo":[{"@value":"http:\/\/purl.org\/dc\/elements\/1.1\/","@type":"xsd:anyURI"}]},"_:Identifier742780":{"@id":"_:Identifier742780","@type":["http:\/\/ocean-data.org\/schema\/Identifier","http:\/\/ocean-data.org\/schema\/BCODMOIdentifier","http:\/\/ocean-data.org\/schema\/OSPREY_v2_Node_dataset"],"http:\/\/ocean-data.org\/schema\/identifierScheme":[{"@id":"http:\/\/ocean-data.org\/schema\/IdentifierScheme_BCODMO_Version_2"}],"http:\/\/ocean-data.org\/schema\/identifierValue":[{"@value":"742780","@type":"xsd:token"}],"http:\/\/ocean-data.org\/schema\/resolvableURL":[{"@value":"http:\/\/lod.bco-dmo.org\/id\/dataset\/742780","@type":"xsd:anyURI"}]},"_:temporalExtent742780":{"@id":"_:temporalExtent742780","@type":["http:\/\/www.w3.org\/2006\/time#Interval"],"http:\/\/www.w3.org\/2000\/01\/rdf-schema#label":[{"@value":"2012-08-09 - 2012-09-22","@type":"xsd:string"}],"http:\/\/www.w3.org\/2006\/time#hasBeginning":[{"@value":"_:temporalExtent742780Start"}],"http:\/\/www.w3.org\/2006\/time#hasEnd":[{"@value":"_:temporalExtent742780End"}]},"_:temporalExtent742780Start":{"@id":"_:temporalExtent742780Start","@type":["http:\/\/www.w3.org\/2006\/time#Instant"],"http:\/\/www.w3.org\/2000\/01\/rdf-schema#label":[{"@value":"2012-08-09","@type":"xsd:string"}],"http:\/\/www.w3.org\/2006\/time#inXSDDate":[{"@value":"2012-08-09","@type":"xsd:date"}],"http:\/\/www.w3.org\/2006\/time#inDateTime":[{"@value":"_:temporalExtent742780StartDescription"}]},"_:temporalExtent742780StartDescription":{"@id":"_:temporalExtent742780StartDescription","@type":["http:\/\/www.w3.org\/2006\/time#DateTimeDescription"],"http:\/\/www.w3.org\/2006\/time#unitType":[{"@id":"http:\/\/www.w3.org\/2006\/time#unitDay"}],"http:\/\/www.w3.org\/2006\/time#day":[{"@value":"---09","@type":"xsd:gDay"}],"http:\/\/www.w3.org\/2006\/time#dayOfYear":[{"@value":"221","@type":"xsd:nonNegativeInteger"}],"http:\/\/www.w3.org\/2006\/time#dayOfWeek":[{"@id":"http:\/\/www.w3.org\/2006\/time#Thursday"}],"http:\/\/www.w3.org\/2006\/time#month":[{"@value":"--08","@type":"xsd:gMonth"}],"http:\/\/www.w3.org\/2006\/time#year":[{"@value":"2012","@type":"xsd:gYear"}]},"_:temporalExtent742780End":{"@id":"_:temporalExtent742780End","@type":["http:\/\/www.w3.org\/2006\/time#Instant"],"http:\/\/www.w3.org\/2000\/01\/rdf-schema#label":[{"@value":"2012-09-22","@type":"xsd:string"}],"http:\/\/www.w3.org\/2006\/time#inXSDDate":[{"@value":"2012-09-22","@type":"xsd:date"}],"http:\/\/www.w3.org\/2006\/time#inDateTime":[{"@value":"_:temporalExtent742780EndDescription"}]},"_:temporalExtent742780EndDescription":{"@id":"_:temporalExtent742780EndDescription","@type":["http:\/\/www.w3.org\/2006\/time#DateTimeDescription"],"http:\/\/www.w3.org\/2006\/time#unitType":[{"@id":"http:\/\/www.w3.org\/2006\/time#unitDay"}],"http:\/\/www.w3.org\/2006\/time#day":[{"@value":"---22","@type":"xsd:gDay"}],"http:\/\/www.w3.org\/2006\/time#dayOfYear":[{"@value":"265","@type":"xsd:nonNegativeInteger"}],"http:\/\/www.w3.org\/2006\/time#dayOfWeek":[{"@id":"http:\/\/www.w3.org\/2006\/time#Saturday"}],"http:\/\/www.w3.org\/2006\/time#month":[{"@value":"--09","@type":"xsd:gMonth"}],"http:\/\/www.w3.org\/2006\/time#year":[{"@value":"2012","@type":"xsd:gYear"}]},"_:spatialCoverage742780":{"@id":"_:spatialCoverage742780","@type":["http:\/\/www.opengis.net\/ont\/sf#Polygon"],"http:\/\/purl.org\/dc\/terms\/source":[{"@value":"OSPREY","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/crs":[{"@value":"http:\/\/www.opengis.net\/def\/crs\/OGC\/1.3\/CRS84","@type":"xsd:anyURI"}],"http:\/\/ocean-data.org\/schema\/spatialCenter":[{"@value":"_:spatialCoverage742780centroid"}],"http:\/\/www.opengis.net\/ont\/geosparql#asWKT":[{"@value":"