A polymer of lysine, it carries multiple positive charges and is used to mediate adhesion of living cells to synthetic culture substrates, or of fixed cells to glass slides (for observation by fluorescence microscopy, for example).

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • Polylysine — Chembox new Name = Polylysine ImageFile = polylysine.jpg ImageSize = 160px ImageNameL1 = Skeletal formula of polylysine IUPACName = Poly [imino [(2S) 2 amino 1 oxo 1,6 hexanediyl] Section1 = Chembox Identifiers CASOther = 28211 04 3 Section2 =… …   Wikipedia

  • polylysine — poly·ly·sine .päl i lī .sēn n a protein whose polypeptide chain consists entirely of lysine residues * * * poly·ly·sine (pol″e liґsēn) a polypeptide composed of lysine molecules in peptide linkage; used as a carrier for the… …   Medical dictionary

  • polylysine — noun Date: 1947 a protein whose polypeptide chain consists entirely of lysine residues …   New Collegiate Dictionary

  • polylysine — noun A polypeptide (or section of a protein) consisting only of lysine residues …   Wiktionary

  • polylysine — poly·lysine …   English syllables

  • polylysine — ˌ noun Etymology: poly + lysine : a protein whose polypeptide chain consists entirely of lysine residues …   Useful english dictionary

  • penicilloyl polylysine — A preparation of polylysine and a penicillic acid, used intradermally in the diagnosis of penicillin sensitivity; sensitive persons may react with systemic manifestations, including generalized cutaneous eruptions. * * * pen·i·cil·lo·yl… …   Medical dictionary

  • penicilloyl-polylysine — pen·i·cil·lo·yl poly·ly·sine .pen ə sil ō .il .päl i lī .sēn n a preparation of a penicillic acid and polylysine which is used in a skin test to determine hypersensitivity to penicillin …   Medical dictionary

  • benzylpenicilloyl polylysine — ben·zyl·pen·i·cil·lo·yl poly·ly·sine (ben″zəl pen″ĭ silґo əl) a skin test antigen composed of a benzylpenicilloyl moiety (a major antigenic determinant of benzylpenicillin) conjugated to poly L lysine as a carrier, used …   Medical dictionary

  • Nerve guidance conduit — A nerve guidance conduit (also referred to as an artificial nerve conduit or artificial nerve graft, as opposed to an autograft) is an artificial means of guiding axonal regrowth to facilitate nerve regeneration and is one of several clinical… …   Wikipedia

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