Catalog - Data.gov

Found 141 datasets matching "helix".

Federal
Specificity of DNA triple helix formation analyzed by a FRET assay
- Organization: U.S. Department of Health & Human Services
- Updated: 2025-09-06
Background A third DNA strand can bind into the major groove of a homopurine duplex DNA to form a DNA triple helix. Sequence specific triplex formation can be applied for gene targeting,...
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Search relevance: 105.97 | Views last month: 0
Federal
Anti-HIV-1 activity of cellulose acetate phthalate: Synergy with soluble CD4 and induction of "dead-end" gp41 six-helix bundles
- Organization: U.S. Department of Health & Human Services
- Updated: 2025-09-06
Background Cellulose acetate phthalate (CAP), a promising candidate microbicide for prevention of sexual transmission of the human immunodeficiency virus type 1 (HIV-1) and other...
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Search relevance: 94.36 | Views last month: 1
Federal
Temperature, salinity, conductivity, pressure, transmissivity measurements collected using CTD from the Alpha Helix in the Chukchi Sea during 1996 (NCEI Accession 0061042)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2010-01-07T00:00:00.000+00:00
Temperature, salinity, conductivity, pressure, and transmissivity data gathered by CTD from the Alpha Helix (cruise HX194), September 1996
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Search relevance: 93.68 | Views last month: 0
Federal
Temperature, salinity and transmissivity data from the Alpha Helix in the Arctic Ocean, 2000 - 2004 (NCEI Accession 0059005)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2009-10-26T00:00:00.000+00:00
This is calibrated CTD downcast data from five Alpha Helix cruises: HX235, 8/1/2000 - 9/30/2000 HX250, 9/1/2001 - 9/30/2001 HX260, 6/1/2002 - 6/30/2002 HX274, 6/1/2003 - 7/30/2003 HX290,...
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Search relevance: 90.51 | Views last month: 0
Federal
BIRDS from ALPHA HELIX and Other Platforms from 1981-05-31 to 1981-07-21 (NCEI Accession 8200015)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-08T00:00:00.000+00:00
This dataset includes marine bird sighting, ship/aircraft census data from R/V THOMAS G. THOMPSON and RV Alpha Helix in the Bering Sea and Gulf of Alaska from 1981-05-31 to 1981-07-21. Data has...
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Search relevance: 87.11 | Views last month: 0
Federal
Zooplankton, salinity, and other data from the ALPHA HELIX using nets in the Bering Sea from 22 July 1999 to 14 August 1999 (NCEI Accession 0000262)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-03-14T00:00:00.000+00:00
Zooplankton, salinity, fluorescence, and temperature data were collected from the ALPHA HELIX from July 22, 1999 to August 14, 1999. Data were submitted by University of Alaska - Fairbanks;...
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Search relevance: 86.45 | Views last month: 0
Federal
BIRDS from ALPHA HELIX from 1982-07-13 to 1983-08-15 (NCEI Accession 8500070)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-10T00:00:00.000+00:00
This dataset includes marine bird sighting, ship/aircraft census data from RV Alpha Helix in the Bering Sea and Chukchi Sea from 1982-07-13 to 1983-08-15. Data has been processed by NODC to the...
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Search relevance: 85.88 | Views last month: 0
Federal
Physical and nutrient profile data from bottle casts from R/V ALPHA HELIX in Gulf of Alaska from 1990-12-03 to 1998-12-11 (NCEI Accession 0000221)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-03-14T00:00:00.000+00:00
Physical and nutrients data were collected using bottle casts from R/V ALPHA HELIX in Gulf of Alaska from December 3, 1980 to December 11, 1998. These data were submitted by Dr. Thomas C. Royer of...
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Search relevance: 85.07 | Views last month: 0
Federal
BIRDS from ALPHA HELIX from 1982-07-26 to 1982-08-08 (NCEI Accession 8300168)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-09T00:00:00.000+00:00
This dataset includes marine bird sighting, ship/aircraft census data from RV Alpha Helix in the Bering Sea from 1982-07-26 to 1982-08-08. Data has been processed by NODC to the NODC standard...
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Search relevance: 83.49 | Views last month: 1
Federal
Physical and nutrients profile data from R/V ALPHA HELIX using bottle casts in the Gulf of Alaska from 1989-04-06 to 1989-04-11 (NCEI Accession 0000223)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-03-14T00:00:00.000+00:00
Physical and nutrient profile data were collected using bottle casts from R/V ALPHA HELIX in the Gulf of Alaska from April 6, 1989, to April 11, 1989. Data were submitted by Dr. Thomas C. Royer of...
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Search relevance: 83.01 | Views last month: 0
Federal
Chemical and depth data from the ALPHA HELIX using bottle casts in the Bering Sea from 1987-09-07 to 1988-06-11 (NCEI Accession 0000263)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-03-14T00:00:00.000+00:00
Chemical and depth data were collected from the ALPHA HELIX from September 7, 1987 to June 11, 1988. Data were submitted by the University of Alaska - Fairbanks; Institute of Marine Science and...
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Search relevance: 82.04 | Views last month: 0
Federal
BIRDS from ALPHA HELIX and Other Platforms from 1980-05-21 to 1980-10-25 (NCEI Accession 8100494)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-07T00:00:00.000+00:00
This dataset includes marine bird sighting, ship/aircraft census data from R/V THOMAS G. THOMPSON and RV Alpha Helix in the Bering Sea from 1980-05-21 to 1980-10-25. Data has been processed by...
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Search relevance: 82.02 | Views last month: 0
Federal
Bathythermograph (MBT) data from RV Alpha Helix in the North Pacific Ocean from 1970-07-08 to 1970-07-14 (NCEI Accession 7001358)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-08-21T00:00:00.000+00:00
This dataset includes bathythermograph (MBT) data from RV Alpha Helix in the North Pacific Ocean from 1970-07-08 to 1970-07-14. Data has been processed by NODC to the NODC standard...
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Search relevance: 81.78 | Views last month: 0
Federal
Physical data from CTD casts from the ALPHA HELIX from the Gulf of Alaska in support of Gulf of Alaska-1 from 30 May 1995 to 25 June 1995 (NCEI Accession 0000136)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-03-13T00:00:00.000+00:00
CTD data were collected from the ALPHA HELIX from the Gulf of Alaska. Data were collected by the University of Alaska - Fairbanks; Institute of Marine Science (UAK/IMS) in support of Gulf of...
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Search relevance: 80.64 | Views last month: 0
Federal
Salinity, temperature, depth, and other data from ALPHA HELIX in the Gulf of Alaska and Bering Sea from 1980-08-12 to 1980-12-11 (NCEI Accession 8100503)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-07T00:00:00.000+00:00
This dataset includes high-resolution CTD/STD data from RV Alpha Helix in the Bering Sea and Gulf of Alaska from 1980-08-12 to 1980-12-11. Data has been processed by NODC to the NODC standard...
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Search relevance: 80.08 | Views last month: 0
Federal
BIRDS from ALPHA HELIX and Other Platforms from 1981-01-03 to 1981-07-03 (NCEI Accession 8100667)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-07T00:00:00.000+00:00
This dataset includes marine bird sighting, ship/aircraft census data from R/V THOMAS G. THOMPSON and RV Alpha Helix in the Bering Sea and Coastal Waters of Southeast Alaska and British Columbia...
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Search relevance: 79.39 | Views last month: 0
Federal
CTD and other data from KNORR, ALPHA HELIX, and REDOUBT from 1977-06-02 to 1982-10-25 (NCEI Accession 8300043)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-09T00:00:00.000+00:00
This dataset includes high-resolution CTD/STD data from R/V Knorr, REDOUBT, and RV Alpha Helix in the Bering Sea, Coastal Waters of Southeast Alaska and British Columbia, and North Atlantic Ocean...
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Search relevance: 78.95 | Views last month: 0
Federal
Bering Sea Inner Front zooplankton, temperature, salinity, and conductivity data sets collected with MOCNESS net on five cruises aboard the ALPHA HELIX, 6/3/1997 - 6/7/1999 (NCEI Accession 0000107)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-03-13T00:00:00.000+00:00
Zooplankton, temperature, species identification, and other data were collected from ALPHA HELIX using net casts in the Bering Sea. Data were collected from 03 June 1997 to 07 June 1999 by...
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Search relevance: 77.99 | Views last month: 0
Federal
Profile nutrients data from bottle casts from R/V Alpha Helix in the Bering Sea, Gulf of Alaska and Northeast Pacific from 1983-08-16 to 1989-07-30 (NCEI Accession 0000252)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-03-14T00:00:00.000+00:00
Profile nutrients and other data were collected from R/V ALPHA HELIX from August 16, 1983 to July 30, 1989. Data were submitted by University of Alaska - Fairbanks; Institute of Marine Science and...
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Search relevance: 77.95 | Views last month: 0
Federal
Nutrients data from bottle casts in the Bering Sea from R/V ALPHA HELIX as part of the Inner Shelf Transport and Recycling Project 1986-07-04 to 1986-09-25 (NCEI Accession 0000293)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-03-14T00:00:00.000+00:00
Nitrate, nitrite, phosphate, silicate, and other data were collected from R/V ALPHA HELIX from July 4, 1986 to September 25, 1986. Data were submitted by University of Alaska - Fairbanks;...
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Search relevance: 77.82 | Views last month: 0

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