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Impact of Different Sweep Gas Flow Rates on Respiratory Alkalosis and Cerebral Oxygenation during Cardiopulmonary Bypass.
Int Heart J
March 2025
Department of Anesthesiology and Reanimation, Acibadem University.
There is no consensus on the ideal sweep gas flow volume for achieving targeted blood partial gas pressures during cardiopulmonary bypass (CPB). The sweep gas flow rate is one of the oxygenator's main gas exchange variables. High sweep gas flow rates can lead to respiratory and hypocapnic cerebral alkalosis, which can cause neurological complications.
View Article and Find Full Text PDFDiversifying product portfolio of syngas fermentation in addition to ethanol production by using Clostridium species.
Bioresour Technol
March 2025
Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, India. Electronic address:
This study explores the impact of syngas, a mixture of CO (carbon monoxide), CO (carbon dioxide) and H (hydrogen), composition on production of ethanol and other metabolites by using various Clostridia. Clostridium carboxidivorans, Clostridium ljungdahlii, and Clostridium ragsdalei were examined to convert CO-rich syngas into ethanol and other valuable products, and C. carboxidivorans was shown to produce maximum ethanol at a high initial CO concentration (80% CO: 10% CO: 10% H).
View Article and Find Full Text PDFEcological restoration reduces greenhouse gas emissions by altering planktonic and sedimentary microbial communities in a shallow eutrophic lake.
Environ Res
March 2025
School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China. Electronic address:
Ecological restoration is a promising approach to alleviate eutrophication. However, its impacts on greenhouse gas (GHG) emissions and the underlying microbial mechanisms in different habitats of lakes remain unclear. To address this knowledge gap, we measured carbon dioxide (CO), methane (CH) and nitrous oxide (NO) fluxes at both water-air and sediment-water interfaces of eutrophic (Caohai) and restored area (Dapokou) of Dianchi Lake, a typical eutrophic lake in China.
View Article and Find Full Text PDFFractional exhaled nitric oxide (FeNO) among elementary school children in Stockholm: Associations with asthma, allergies, and home and school environment.
Sci Total Environ
March 2025
Uppsala University, Department of Medical Science, Occupational and Environmental Medicine, University Hospital, 75185 Uppsala, Sweden. Electronic address:
Objective: Few studies have investigated links between fraction exhaled nitric oxide (FeNO), the home and the school environment. FeNO is a biomarker of T helper 2 (Th2) airway inflammation. We investigated associations between FeNO and airway symptoms, allergies, household and classroom exposure among pupils in ten primary schools in Stockholm (N = 415).
View Article and Find Full Text PDFExcessive leaf oil modulates the plant abiotic stress response via reduced stomatal aperture in tobacco (Nicotiana tabacum).
Plant J
March 2025
Donald Danforth Plant Science Center, 975 N. Warson Rd, St. Louis, Missouri, 63132, USA.
High lipid producing (HLP) tobacco (Nicotiana tabacum) is a potential biofuel crop that produces an excess of 30% dry weight as lipid bodies in the form of triacylglycerol. While using HLP tobacco as a sustainable fuel source is promising, it has not yet been tested for its tolerance to warmer environments that are expected in the near future as a result of climate change. We found that HLP tobacco had reduced stomatal conductance, which results in increased leaf temperatures up to 1.
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