In order to get inside the cell, these molecules must pass through porins, which are protein channels that span the outer membrane. Antimicrobial resistance mechanisms in Pseudomonas aeruginosa Gram-negative bacteria possess proteins called porins in their outer membranes that, when altered, reduce or halt drug absorption.
The Code of Federal Regulations (CFR) is a codification (arrangement of) the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government. e-CFR Updated Daily; Beta Site.
The Code of Federal Regulations (CFR) The codification of final rules published by the executive departments and agencies of the Federal Government. Each volume is updated once each calendar year. View all OSHA standards in Title 29 of the CFR, the Department of Labor's section of the Code of Federal Regulations. Subparagraphs numbers that are highlighted in blue and underlined in the text of the standard, (e.g., 1910.27(b)(1)) provide link to related information on the site, e.g., Interpretations, Federal Register, Directives.