prediction of spatial and temporal variation of water quality is vital for managing pollutantsdisposal into the rivers. depletion of dissolved oxygen (do) takes place due to the consumption of oxygen bymicrobes to digest bio-degradable pollutants which enter a water course. reaeration takes place in a specificrate depending on do deficit. many investigators have formulated models as an alternat...

Protein synthesis and protein degradation were measured in human NHIK 3025 cells cultured in vitro during and after an acute treatment of extreme hypoxia (<4 ppm O:). Furthermore, total protein content per cell was recorded and related to cell cycle phase by coincident measure ment of DNA and protein using two-parametric flow cytometry. During hypoxia protein synthesis was reduced and protein d...

Whole-system denitrification in the South Platte River was measured over a 13-month period using an open-channel N2 method and mass-balance measurements. Concentrations of dissolved N2 were measured with high precision by membrane-inlet mass spectrometry and estimates of denitrification were based on the mass flux of N2, after correction for reaeration and groundwater flux. Open-channel estimat...

Mycobacterium tuberculosis can persist for years in the hostile environment of the host in a non-replicating or slowly replicating state. While active disease predominantly results from reactivation of a latent infection, the molecular mechanisms of M. tuberculosis reactivation are still poorly understood. We characterized the physiology and global transcriptomic profiles of M. tuberculosis dur...

signifi cant and prolonged lung reaeration after intratracheal bolus instillation of porcine-derived surfactant. In this substudy of a larger randomized controlled trial of patients with acute lung injury [2], the investigators elegantly demonstrate increased volumes of gas in poorly and non-aerated lung of patients who were treated with surfactant as compared with patients who received routine...

Introduction Dissolved gases,with dissolved oxygen serving as the primary marker,have been widely documented to influence dissolution experiments. The dissolved gases can cause changes in the performance of the dissolution medium by changing pH,forming bubbles on the dosage form or altering the interaction of the medium and the active pharmaceutical ingredient [1]. Extensive studies have been p...

Introduction Lungs ultrasonography and echocardiography is used by intensivist to provide assessments in patients with significant respiratory and cardiac diseases. Transthoracic lung ultrasound allows to detect lung aerations and consolidations, to find pneumothorax or hydrothorax, localize alveolar-interstitial edema. It is also used as a monitoring tool to detect reaeration resulting from ef...