[{"dataset_parameter_nid":"779350","supplied_name":"date_utc","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003EUTC date when media was filtered and the experiment initiated\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"798","parameter_description":"\u003Cp\u003EUTC month, day and year, usually as a text string, e.g. feb10_1995. It is better to use one of the other forms of presenting date and time data so that the data can be used in computations and for comparisons. Note, if the string begins with numbers but also includes letters, there may be problems using the field name for retrieval. Use date_gmt for future data sets.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"date_utc","parameter_external_identifier":null,"parameter_short_description":"date_utc","parameter_short_name":"date_utc","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779351","supplied_name":"expt_round","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003Eround of experiment and sample analysis on the XR ICP-MS\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1759","parameter_description":"\u003Cp\u003EExperiment Id\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"exp_id","parameter_external_identifier":null,"parameter_short_description":"experiment id","parameter_short_name":"exp_id","parameter_units":"text","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779352","supplied_name":"sample","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003Esample identifier: 1 for Fe-less (un-spiked) 0.02 um filtered M9 Minimal Media; 2 for 10 uM 57FeSO4 spiked 0.02 um filtered M9 minimal media; or 3 for 0.02 um filtered SM Buffer. Each stage of the experiment was designated sequentially as follows: 20\u2019s for pelleted E. coli cultures grown to mid-logarithmic phase and rinsed three times in Fe-less media (no 57Fe spike) by centrifugation and re-suspension; 30\u2019s for supernatant of pelleted bacteria (20\u2019s); 40\u2019s for unfiltered centrifuged supernatant of bacterial culture infected with phage overnight; 50\u2019s for 0.22 um filtered dissolved fraction; 60\u2019s for 0.02 um filtered soluble fraction; 70\u2019s for bacterial samples treated with chloroform; 80\u2019s for the supernatant (sample layer) above the sucrose cushion following ultracentrifugation; 90\u2019s for sucrose cushion pellet re-suspended in 0.02 um filtered SM buffer; DIA for dialyzed samples post-dialysis over 6 buffer tank changes; and B for dialysis buffer: B1 pre-dialysis; B1-2 post-initial dialysis; B3-2 post-third dialysis buffer tank change; and B6-2 post- final dialysis buffer tank change. Samples were treated in triplicate: A; B; C for E. coli phage T4 samples; D; E; F for chloroform-lysed bacterial control samples; and G; H; I for Blanks; and M; N; O for E. coli phage T5 samples.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"960","parameter_description":"\u003Cp\u003Eunique sample identification or number; any combination of alpha numeric characters; precise definition is file dependent\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"sample","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P02\/current\/ACYC\/","parameter_short_description":"sample identification","parameter_short_name":"sample","parameter_units":"dimensionless","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779353","supplied_name":"description","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003Edescription of phage purification step and type of sample\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"759","parameter_description":"\u003Cp\u003Ebrief description, open ended, specific to the data set in which it appears\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"brief_desc","parameter_external_identifier":null,"parameter_short_description":"brief description","parameter_short_name":"brief_desc","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779354","supplied_name":"Fe_56_nM","supplied_units":"nanoMolar","value_format":null,"description":"\u003Cp\u003EConcentration of 56Fe as determined by XR ICP-MS\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1981","parameter_description":"\u003Cp\u003EIron (Fe). Concentrations may be reported in parts per million, nanomoles per liter, or other units. Refer to dataset metadata for units.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"Fe","parameter_external_identifier":null,"parameter_short_description":"Iron","parameter_short_name":"Fe","parameter_units":"various units","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779355","supplied_name":"Fe_57_nM","supplied_units":"nanoMolar","value_format":null,"description":"\u003Cp\u003EConcentration of 57Fe as determined by XR ICP-MS\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1981","parameter_description":"\u003Cp\u003EIron (Fe). Concentrations may be reported in parts per million, nanomoles per liter, or other units. Refer to dataset metadata for units.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"Fe","parameter_external_identifier":null,"parameter_short_description":"Iron","parameter_short_name":"Fe","parameter_units":"various units","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779356","supplied_name":"volume","supplied_units":"liters","value_format":null,"description":"\u003Cp\u003Esample volume\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"542214","parameter_description":"\u003Cp\u003EThe amount of 3-dimensional space an object occupies. Capacity.\u003Cbr \/\u003E\nAs in the volume of the tank or container used in a laboratory experiment.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"volume","parameter_external_identifier":null,"parameter_short_description":"volume","parameter_short_name":"volume","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779357","supplied_name":"Fe_56_nmol","supplied_units":"nanomoles","value_format":null,"description":"\u003Cp\u003E56Fe concentration as determined by XR ICP-MS\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1981","parameter_description":"\u003Cp\u003EIron (Fe). Concentrations may be reported in parts per million, nanomoles per liter, or other units. Refer to dataset metadata for units.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"Fe","parameter_external_identifier":null,"parameter_short_description":"Iron","parameter_short_name":"Fe","parameter_units":"various units","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779358","supplied_name":"Fe_57_nmol","supplied_units":"nanomoles","value_format":null,"description":"\u003Cp\u003E57Fe concentration as determined by XR ICP-MS\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1981","parameter_description":"\u003Cp\u003EIron (Fe). Concentrations may be reported in parts per million, nanomoles per liter, or other units. Refer to dataset metadata for units.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"Fe","parameter_external_identifier":null,"parameter_short_description":"Iron","parameter_short_name":"Fe","parameter_units":"various units","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779359","supplied_name":"Cu_63_nmol","supplied_units":"nanomoles","value_format":null,"description":"\u003Cp\u003E63Cu concentration as determined by XR ICP-MS\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"707579","parameter_description":"\u003Cp\u003ECopper (Cu)\u003C\/p\u003E\n","parameter_max_value":"","parameter_min_value":"","parameter_nd_value":"nd","parameter_official_name":"Cu","parameter_external_identifier":"","parameter_short_description":"Copper","parameter_short_name":"Cu","parameter_units":"various","parameter_units_external_identifier":"","order":null},{"dataset_parameter_nid":"779360","supplied_name":"Zn_66_nmol","supplied_units":"nanomoles","value_format":null,"description":"\u003Cp\u003E66Zn concentration as determined by XR ICP-MS\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"709855","parameter_description":"\u003Cp\u003EZinc (Zn) concentration.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"Zn","parameter_external_identifier":null,"parameter_short_description":"Zinc","parameter_short_name":"Zn","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779361","supplied_name":"Ni_60_nmol","supplied_units":"nanomoles","value_format":null,"description":"\u003Cp\u003E60Ni concentration as determined by XR ICP-MS\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1945","parameter_description":"\u003Cp\u003EConcentration of a trace metal in seawater. Refer to dataset for element name and units.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"trace_metal_conc","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P03\/current\/C035\/","parameter_short_description":"trace metal concentration","parameter_short_name":"trace_metal_conc","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779362","supplied_name":"Pb_208_nmol","supplied_units":"nanomoles","value_format":null,"description":"\u003Cp\u003E208Pb concentration as determined by XR ICP-MS\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1945","parameter_description":"\u003Cp\u003EConcentration of a trace metal in seawater. Refer to dataset for element name and units.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"trace_metal_conc","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P03\/current\/C035\/","parameter_short_description":"trace metal concentration","parameter_short_name":"trace_metal_conc","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779363","supplied_name":"bact_cells_ml","supplied_units":"cells\/milliliter","value_format":null,"description":"\u003Cp\u003ESYBR epifluorescence bacterial counts\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1973","parameter_description":"\u003Cp\u003EAny enumeration (counts, abundance, concentration) of bacteria (Kingdom Monera so includes cyanobacteria) designated by means other than taxonomic names (e.g. total) in any body of fresh or salt water.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"bact_abundance","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P02\/current\/BNTX","parameter_short_description":"bacterial abundance","parameter_short_name":"bact_abund","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779364","supplied_name":"phage_VPL_ml","supplied_units":"virus-like particles\/milliliter","value_format":null,"description":"\u003Cp\u003Ephage cell concentration\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"514901","parameter_description":"\u003Cp\u003EConcentration of cells; often determined by spectrophotometry, flow cytometry, or using a microscope. May be referred to as \u0022cell count\u0022 (cells per volume unit).\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"cell_concentration","parameter_external_identifier":null,"parameter_short_description":"cell_concentration","parameter_short_name":"cell_concentration","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779365","supplied_name":"Fe_57_atoms_per_phage","supplied_units":"atoms","value_format":null,"description":"\u003Cp\u003E57Fe content measured by XR ICP- MS; converted to moles; multiplied by Avogadro\u2019s constant (6.022 x 1023 atoms\/mol); and divided by number of phage in the sample\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1981","parameter_description":"\u003Cp\u003EIron (Fe). Concentrations may be reported in parts per million, nanomoles per liter, or other units. Refer to dataset metadata for units.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"Fe","parameter_external_identifier":null,"parameter_short_description":"Iron","parameter_short_name":"Fe","parameter_units":"various units","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"779366","supplied_name":"notes_expt","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003Ecomments about samples\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"778","parameter_description":"\u003Cp\u003Efree text comments, may only have meaning to submitting PI \u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"comment","parameter_external_identifier":null,"parameter_short_description":"comments","parameter_short_name":"comment","parameter_units":null,"parameter_units_external_identifier":null,"order":null}]