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1 Hydrogen exists as two isomers, ortho and para, based on proton nuclear spin. A temperature-dependent equilibrium dictates their ratio, with a 75% ortho isomer makeup at room temperature shifting to ...

Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States ...

Meet Pam Bondi, Trump’s pick for US attorney general Former Florida attorney general Pam Bondi, a staunch Trump ally, has been named the US attorney general nominee. Known for her tough stance ...

Background: Dextromethorphan (DM), the d-isomer of the codeine analog levorphanol, is an active ingredient present in a variety of cough and cold remedies. Recently, data generated from a study in ...

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The University of Oklahoma's $2.1 billion enterprise represents one of Oklahoma's greatest assets. Our impact is changing the lives of all Oklahomans, through scholarship, research and more. 30,000+ ...