Results 231 to 240 of about 121,400 (290)

Salt Cluster With Surface Defect Shows Anomalous Acid–Base Chemistry

open access: yesAngewandte Chemie International Edition, EarlyView.
The acid displacement of formic acid in sea‐salt aerosols, releasing HCl, challenges conventional acid–base chemistry. Our gas‐phase experiments show that this reaction occurs on pure NaCl cluster ions in the absence of water. Surface defects of the NaCl cluster ions enable this reaction via enhanced electrostatic interactions of the salt ions with the
Jessica C. Hartmann   +7 more
wiley   +1 more source

Osteoporosis screening and major osteoporotic fracture prediction by cranial computed tomography-derived Hounsfield units: a multi-center study on opportunistic osteoporosis screening. [PDF]

open access: yesAnn Med
Wakolbinger-Habel R   +26 more
europepmc   +1 more source

Functional morphology of the pharyngeal teeth of the ocean sunfish, Mola mola

open access: yesThe Anatomical Record, EarlyView.
Abstract Many fish use a set of pharyngeal jaws in their throat to aid in prey capture and processing, particularly of large or complex prey. In this study—combining dissection, CT scanning, histology, and performance testing—we demonstrate a novel use of pharyngeal teeth in the ocean sunfish (Mola mola), a species for which pharyngeal jaw anatomy had ...
Benjamin Flaum   +3 more
wiley   +1 more source

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