• Organization: National Institute of Standards and Technology
• Updated: 2016-09-02 00:00:00

SRM 2950a Respirable Alpha Quartz on Filter Media (Nominal Mass of Alpha Quartz: 5 µg to 500 µg) - This Standard Reference Material (SRM) is intended primarily for the calibration of X-ray...

• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Respirable antisense oligonucleotides (RASONs), which attenuate specific disease-associated mRNAs, represent a new class of respiratory therapeutics with considerable potential. RASONs overcome...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2023-01-31

Objective: Inhalation of ozone activates central sympathetic-adrenal-medullary and hypothalamic-pituitary-adrenal stress axes. While airway neural networks are known to communicate noxious stimuli...

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• Organization: Department of the Interior
• Updated: 2023-09-13T00:00:00Z

Research and surveillance reports have documented a significant increase in coal workers’ pneumoconiosis, including the most severe forms of progressive massive fibrosis and rapidly progressive...

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