| Lobry de Bruyn-van Ekenstein transformation | The conversion of glucose to fructose and mannose in dilute alkali by enolization adjacent to the carbonyl group to form an enediol, a reaction analogous to certain biochemical transformations. (05 Mar 2000) |
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| logit transformation | A method of linearizing dose-response curves for radioimmunoassay techniques; i.e., Logit B (bound)/Bo(initial binding) = Log (B/Bo/1-B/Bo). (05 Mar 2000) |
| Luxol fast blue | Name for a group of closely related copper phthalocyanin dyes used as stains (with PAS, PTAH, haematoxylin, silver nitrate, etc.) for myelin in nerve fibres. (05 Mar 2000) |
| lymphocyte transformation | <haematology> The change in morphology and behaviour of lymphocytes exposed to a mitogen or to an antigen to which they have been primed. The result is the production of lymphoblasts, cells that are actively engaged in protein synthesis and that divide to form effector populations. Should not be confused with transformation of the type associated with oncogenic viruses and activation is therefore perhaps a better term. (18 Nov 1997) |