203-133-4

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Showing 1-2 of 2 results for "203-133-4" within Papers

Gas-phase fluorine migration reactions in the radical cations of pentafluorosulfanylbenzene (Aryl-SF₅) and benzenesulfonyl fluoride (Aryl-SO₂F) derivatives and in the 2,5-xylylfluoroiodonium ion.

Ying Gao et al.

Journal of mass spectrometry : JMS, 49(6), 481-489 (2014-06-11)

The gas-phase reactions of Aryl-SF5(·+) and Aryl-SO2F(·+) have been studied with the electron ionization tandem mass spectrometry. Such reactions involve F-atom migration from the S-atom to the aryl group affording the product ion Aryl-F(·+) by subsequent expulsion of SF4 or

Within-host selection is limited by an effective population of Streptococcus pneumoniae during nasopharyngeal colonization.

Yuan Li et al.

Infection and immunity, 81(12), 4534-4543 (2013-10-02)

Streptococcus pneumoniae (pneumococcus) is a significant pathogen that frequently colonizes the human nasopharynx. Environmental factors, including antimicrobial use and host immunity, exert selection on members of the nasopharyngeal population, and the dynamics of selection are influenced by the effective population

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