BIRDS

This work investigated the size distribution of the droplet nuclei and coughed droplets by test subjects. The size distributions of droplet nuclei coughed by test subjects were determined with an aerodynamic particle sizer (APS) and scanning mobility particle sizer (SMPS) system (system 1). Coughed …

The dependence of the particle concentration decay rate on diameter during breath holding was consistent with gravitational settling in the alveolar spaces. Also, deep exhalation resulted in a four- to sixfold increase in concentration, and rapid inhalation produced a further two- to threefold incre …

The use of diffusion light scattering for particle counting proved to be sufficiently sensitive to detect objects in EBC, but lacked the specificity for carbonaceous tobacco smoke particles. Our results suggest two phases of oxidation markers in EBC: first, the initial deposition of particles and ga …

Data on the detailed clinical progression of COVID-19 in conjunction with epidemiological and virological characteristics are limited. In this case series, we describe the first 12 US patients confirmed to have COVID-19 from 20 January to 5 February 2020, including 4 patients described previously …

A middle school (grades 6 to 8) in a residential section of Springfield, Illinois, with no known air quality problems, was selected for a baseline indoor air quality survey. The study was designed to measure and evaluate air quality at the middle school with the objective of providing a benchmark fo …

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Bile acid sequestrants are FDA-approved to manage hypercholesterolemia. They can be used in combination with HMG-CoA reductase inhibitors (statins) or used as monotherapy. Often bile acid sequestrants are used as adjuvant therapy to complement exercise and dietary modifications. This activity discusses their indications, mechanism of action, adverse effects, contraindications, and administration to lower LDL- cholesterol.

Background: Ceftriaxone is a third-generation cephalosporin commonly utilized as an empiric antibiotic treatment option in the emergency department (ED). Overuse can lead to decreased susceptibility and emergence of multidrug-resistant pathogens, increased ...

Chemical Entities of Biological Interest (ChEBI) is a freely available dictionary of molecular entities focused on 'small' chemical compounds.

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