OZONOMETER
\ˌə͡ʊzənˈɒmɪtə], \ˌəʊzənˈɒmɪtə], \ˌəʊ_z_ə_n_ˈɒ_m_ɪ_t_ə]\
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An apparatus for ascertaining the presence of ozone and measuring its quantity. It consists usually of papers treated with a solution of potassium iodid and starch. On exposure to an atmosphere containing ozone, the potassium iodid is decomposed, and the liberated iodin colors the starch blue. [Gr.]
By Smith Ely Jelliffe
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Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.