| NCA | National Certification Agency; National Council on Aging; National Council on Alcoholism; neurocircu... |
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| NHA | National Health Association; National Hearing Association; National Hemophilia Association; nonspeci... |
| NPF | nasopharyngeal fiberscope; National Parkinson Foundation; National Pharmaceutical Foundation; Nation... |
| AAHSLD | Association of Academic Health Sciences Library Directors |
| BLLD | British Library Lending Division |
| united states national aeronautics and space administration | An independent federal agency established in 1958. It conducts research for the solution of problems of flight within and outside the earth's atmosphere and develops, constructs, tests, and operates aeronautical and space vehicles. (12 Dec 1998) |
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| los alamos national laboratory | <radiobiology> Major DOE research facility, located in Los Alamos, new Mexico, about an hour west of Santa Fe. Former home of a frozen-deuterium-fibre Z-pinch device, which was dismantled. Home to an active theory division, including the Numerical Tokamak Grand Challenge (being performed on the CM-5 massively-parallel supercomputer). Also home to former alternative-concepts experimental devices like Scyllac, FRX-A, FRX-B, FRX-C/LSM, ZT40, and the aborted CPRF which was killed in 1991 when it was almost complete (budget cuts). Currently there are some small in-house experiments, including one on electrostatic confinement as a possible fusion device, and/or a compact neutron source. They also do theory and experimental collaboration with other labs worldwide. (09 Oct 1997) |
| arrayed library | <molecular biology> Individual primary recombinant clones (hosted in phage, cosmid, YAC, or other vector) that are placed in two-dimensional arrays in microtiter dishes. Each primary clone can be identified by the identity of the plate and the clone location (row and column) on that plate. Arrayed libraries of clones can be used for many applications, including screening for a specific gene or genomic region of interest as well as for physical mapping. Information gathered on individual clones from various genetic linkage and physical map analyses is entered into a relational database and used to construct physical and genetic linkage maps simultaneously, clone identifiers serve to interrelate the multilevel maps. Compare: library, genomic library. (19 Jan 1998) |
| gene library | <molecular biology> A collection of cloned DNA fragments that contains all the genetic information of a particular organism. (09 Oct 1997) |
| genomic library | <molecular biology> A collection of DNA molecules, derived from restriction fragments that have been cloned in vectors, that includes all or part of the genetic material of an organism. (18 Nov 1997) |
| cDNA library | <molecular biology> A collection of all of the mRNA molecules present in a cell or organism, all turned into cDNA molecules with the enzyme reverse transcriptase, then inserted into vectors (other DNA molecules which can continue to replicate after addition of foreign DNA). The library can then be probed for the specific cDNA (and thus mRNA) of interest. (09 Oct 1997) |
| peptide library | A collection of cloned free peptides, frequently consisting of all possible combinations of amino acids making up an n-amino acid peptide. (12 Dec 1998) |
| complementary DNA library | <molecular biology> A collection of all of the mRNA molecules present in a cell or organism, all turned into cDNA molecules with the enzyme reverse transcriptase, then inserted into vectors (other DNA molecules which can continue to replicate after addition of foreign DNA). The library can then be probed for the specific cDNA (and thus mRNA) of interest. (09 Oct 1997) |
| DNA library | <molecular biology> A collection of DNA molecules, derived from restriction fragments that have been cloned in vectors, that includes all or part of the genetic material of an organism. (18 Nov 1997) |
| epitope library | <molecular biology> Large collection (hundreds of millions) of peptides each encoded by a randomly mutated piece of DNA in a phage genome and expressed on the surface of that bacteriophage, sometimes as an N terminal extension of a coat protein. Particular phages can be selected by a binding assay and since the peptide has its encoding DNA associated with it sequencing is straightforward. (18 Nov 1997) |
| expression library | <molecular biology> A library of DNA fragments which was created with an expression vector so that any genes present in the library are expressed. (09 Oct 1997) |
| library | <molecular biology> A collection of DNA molecules, derived from restriction fragments that have been cloned in vectors, that includes all or part of the genetic material of an organism. (18 Nov 1997) |
| library administration | Planning, organizing, staffing, direction, and control of libraries. (12 Dec 1998) |
| library, arrayed | In genetics, arrayed libraries of DNA clones are used for many purposes, including screening for a specific gene or genomic region of interest as well as for physical mapping. An arrayed library consists of (in technical terms) individual primary recombinant clones (which are hosted in phage, cosmid, yac, or another vector) that have been placed in two-dimensional arrays in microtiter dishes (plastic dishes with an orderly array of tiny wells). Each primary clone can be identified by the identity of the plate and the clone location (row and column) on that plate. The information gathered on individual clones from various genetic linkage and physical map analyses is then entered into a relational database and used to construct physical and genetic linkage maps. (12 Dec 1998) |
| library automation | The use of automatic machines or processing devices in libraries. The automation may be applied to library administrative activities, office procedures, and delivery of library services to users. (12 Dec 1998) |