Bioaerosol mass spectrometry for rapid detection of individual airborne mycobacterium tuberculosis H37Ra particles

Article Abstract:

An evaluation on the single-particle laser desorption/ionization time-of-flight mass spectrometry, in the form of bioaerosol mass spectrometry (BAMS) was made as a rapid detector for individual airborne, micron-sized, Mycobacterium tuberculosis H37Ra particles. The BAMS mass spectral signatures for aerosolized Mycobacterium tuberculosis H37Ra particles were found to be distinct from Mycobacterium smegmatis, Bacillus atrophaeus and Bacillus cereus particles.

Mycobacterium tuberculosis, Bacillus cereus

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Mechanism of augmentation of organotin decomposition by ferripyochelin: Formation of hydroxyl radical and organotin-pyochelin-iron ternary complex

Article Abstract:

Significant augmentation of triphenyltin (TPT) decomposition by ferripyochelin (FePCH), the chelating compound of pyochelin (PCH) with iron, is demonstrated in Tris-HCl buffer (pH8.0). The generation of hydroxyl radical (HO.) in the presence of FePCH is observed.

China, All Other Miscellaneous Chemical Product and Preparation Manufacturing, Chelating Agents, Chemical preparations, not elsewhere classified, Physiological aspects, Pseudomonas aeruginosa, Electron paramagnetic resonance, Decomposition (Chemistry), Chemical properties

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