KN195-10 Lipofuscin and Euphausiid Aging
Age determination in crustaceans relies on quantification of a fluorescent "age pigment," lipofuscin, that accumulates in eye stalks of krill over time. Lipofuscin includes a mixture of protein oxidation products formed in neural tissues. The extracted products are quantified using a fluor...
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Arctic Data Center
2015
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dataone:urn:uuid:51cea713-004e-4ec6-b98f-8dc3449d9d85 2024-10-03T18:45:54+00:00 KN195-10 Lipofuscin and Euphausiid Aging ENVELOPE(-177.582,-166.22775,59.9012,55.2812) BEGINDATE: 2009-06-19T00:00:00Z ENDDATE: 2009-07-11T23:59:00Z 2015-12-29T00:00:00Z https://search.dataone.org/view/urn:uuid:51cea713-004e-4ec6-b98f-8dc3449d9d85 unknown Arctic Data Center Ship Arctic Chemistry Dataset 2015 dataone:urn:node:ARCTIC 2024-10-03T18:07:20Z Age determination in crustaceans relies on quantification of a fluorescent "age pigment," lipofuscin, that accumulates in eye stalks of krill over time. Lipofuscin includes a mixture of protein oxidation products formed in neural tissues. The extracted products are quantified using a fluorescence detector. The concentration of lipofuscin is normalized to the protein content from the same tissues. The ratio of lipofuscin to protein concentration is the Lipofuscin Index and is calculated for each individual organisms. In order for the index to reflect chronological age, a calibration is required using euphausiids of known age. A comparison of the calculated ages to the specific lengths for each krill provides the ages for those krill analyzed during each cruise. These data were collected aboard the United States Coast Guard Icebreaker Healy. Dataset Arctic Icebreaker Arctic Data Center (via DataONE) Arctic ENVELOPE(-177.582,-166.22775,59.9012,55.2812) |
institution |
Open Polar |
collection |
Arctic Data Center (via DataONE) |
op_collection_id |
dataone:urn:node:ARCTIC |
language |
unknown |
topic |
Ship Arctic Chemistry |
spellingShingle |
Ship Arctic Chemistry KN195-10 Lipofuscin and Euphausiid Aging |
topic_facet |
Ship Arctic Chemistry |
description |
Age determination in crustaceans relies on quantification of a fluorescent "age pigment," lipofuscin, that accumulates in eye stalks of krill over time. Lipofuscin includes a mixture of protein oxidation products formed in neural tissues. The extracted products are quantified using a fluorescence detector. The concentration of lipofuscin is normalized to the protein content from the same tissues. The ratio of lipofuscin to protein concentration is the Lipofuscin Index and is calculated for each individual organisms. In order for the index to reflect chronological age, a calibration is required using euphausiids of known age. A comparison of the calculated ages to the specific lengths for each krill provides the ages for those krill analyzed during each cruise. These data were collected aboard the United States Coast Guard Icebreaker Healy. |
format |
Dataset |
title |
KN195-10 Lipofuscin and Euphausiid Aging |
title_short |
KN195-10 Lipofuscin and Euphausiid Aging |
title_full |
KN195-10 Lipofuscin and Euphausiid Aging |
title_fullStr |
KN195-10 Lipofuscin and Euphausiid Aging |
title_full_unstemmed |
KN195-10 Lipofuscin and Euphausiid Aging |
title_sort |
kn195-10 lipofuscin and euphausiid aging |
publisher |
Arctic Data Center |
publishDate |
2015 |
url |
https://search.dataone.org/view/urn:uuid:51cea713-004e-4ec6-b98f-8dc3449d9d85 |
op_coverage |
ENVELOPE(-177.582,-166.22775,59.9012,55.2812) BEGINDATE: 2009-06-19T00:00:00Z ENDDATE: 2009-07-11T23:59:00Z |
long_lat |
ENVELOPE(-177.582,-166.22775,59.9012,55.2812) |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Icebreaker |
genre_facet |
Arctic Icebreaker |
_version_ |
1811921990847561728 |