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Carbon Monoxide - Crossref

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Last Updated: 04 December 2022

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Sensitive quantification of carbon monoxide in vivo reveals a protective role of circulating hemoglobin in CO intoxication

Carbon monoxide is a non-flammable chemical that has long been known as the silent killer. An increase in blood carboxyhemoglobin is the most effective biomarker to quantify CO intoxication, according to many, but the fact that tissue CO accumulation is the most likely direct cause of death is less investigated. The kinetic analysis of CO in blood and tissues after CO treatment showed that Hb-mediated Hb prevented CO accumulation in tissues is reduced by circulating Hb, pointing to a protective role for Hb in CO intoxication.

Source link: https://doi.org/10.1038/s42003-021-01880-1


Real-world effectiveness of hyperbaric oxygen therapy for delayed neuropsychiatric sequelae after carbon monoxide poisoning

After 12 months post-DNS to investigate variance in recovery rates, we included patients developing DNS after CO poisoning and comparing neuropsychiatric activity, with and without HBOT. To determine the role of time elapsed between DNS diagnosis and HBOT initiation in forecasting DNS growth, we used receiver operating characteristic curve analysis to determine the relationship between DNS diagnosis and HBOT initiation in predicting DNS improvements. Patients with DNS issues who developed DNS after CO poisoning had markedly improved DNS problems, according to Early HBOT, with treatment effects lasting for 1 year after DNS diagnosis.

Source link: https://doi.org/10.1038/s41598-021-98539-y


Acute carbon monoxide poisoning with low saturation of carboxyhaemoglobin: a forensic retrospective study in Shanghai, China

group 1, 10% COHb% 50% U2265 50% u2265 65% 30% 307 CO poisoning cases from Shanghai Public Safety Bureau, a government agency that manages the most complicated and life-threatening cases in China's Shanghai municipality, grouped these cases into three groups: group 1, 10% COHb% 50% 30% COHb% 30% 80% 65% Our findings showed that group 2 and 3 were mostly seen in younger people, while group 1 was equally distributed to all age groups. All of the CO poisoning from group 2 and 3 occurred in enclosed spaces, although group 1 cases died later in outdoor spaces. Only 81. 03% of group 1 cases died in fire causes, while only 45. 7 percent from group 2 and 30. 5 percent from group 3 were fire-related.

Source link: https://doi.org/10.1038/s41598-021-97436-8


Neural precursor cells are decreased in the hippocampus of the delayed carbon monoxide encephalopathy rat model

The cell number of SRY-box 2+/brain lipid binding protein +/glial fibrillary acidic protein + cells in the DG was significantly less than that of the control, but the number of SOX2 +/GFAP u2212 cells was not decreased, indicating a decreased number of type 1 and type 2a neural precursor cells in the DG, contrary to the control. The number of CD11b+ cells and neuron glial antigen 2 + cells were significantly smaller than the control, but the number of SOX2 u2212/GFAP + cells was not. The percentage of live microglial cells isolated from the hippocampus in this CO rat model was significantly lower than in controls, according to flow cytometry. We conclude that in this rat model, there is a correlation between delayed cognitive decline and dysfunctional adult hippocampal neurogenesis and glial changes in delayed CO encephalopathy.

Source link: https://doi.org/10.1038/s41598-021-85860-9


Case Study Carbon monoxide and Hydrocarbon Leakage Detectors Cabin Automotive Vehicle

Human safety is the object of construction study case carbon monoxide and hydrocarbon leakage detector cabin automotive vehicles. If a person's blood contains more than 2 percent oxygen than their blood, they may die. When the exhaust system is not operating properly, Hydrogens gases can also occur. When CO and HC gas leakage can be detected from the MQ7 sensor and MQ2 sensor, CO and HC gas detector operation can be monitored, the CO and HC gas detectors work. If CO and HC gas levels in an automotive's cabin are too high, the buzzer will make a squeak, as the buzzer will be a warning.

Source link: https://doi.org/10.31098/cset.v2i2.589


Carbon monoxide gas sensor based on Co/Ni-MOF-74 coated no-core-fiber Michelson interferometer

The Co/Ni-MOF-74 and Ni-MOF-74 crystal structures match those of XRD and XPS characterizations, revealing the same crystal structure. Co/Ni-MOF-74 has a good adsorption effect on CO, and it is embedded into the optical fiber sensing system for CO detection. The sensitivity and linearity are 0. 02235 dB/ppm and 0. 99936, respectively, in the CO concentration range from 0-35 ppm to 0. 99936.

Source link: https://doi.org/10.1088/1402-4896/aca848


Molecular-level insights into the electronic effects in platinum-catalyzed carbon monoxide oxidation

We introduce unconventional kinetics approach for bridging the microscopic metal electronic structure and the macroscopic steady-state rate for CO oxidation over Pt catalysts. Diminishing the electron density of Pt is the Pt's first CO-assisted O 2 dissociation pathway, which is aided by isotopic labeling studies and rationalized by density-functional theory estimates. Pt charge is identified as the kinetics indicators by being closely related to the frequency factor, site coverage, and activation energy in a combined steady-state isotopic transient kinetic and in situ electronic evaluation.

Source link: https://doi.org/10.1038/s41467-021-27238-z


Unique structure of active platinum-bismuth site for oxidation of carbon monoxide

Abstract As the technology evolves, the new advanced combustion engines must be able to operate at a low temperature. U00b7c mol CO2 production rate at 110 °C at 110 bbc Pt u22121 at 110 °C is the lowest CO2 species available by surface metal-oxide interface. Pt cluster with surface Pt2112Ou2212Bi structure is the active site for CO oxidation, according to experimental data and density functional analysis results, providing moderate CO adsorption and activating CO molecules with electron transformation between platinum atom and carbon monoxide.

Source link: https://doi.org/10.1038/s41467-021-23696-7


Isolated copper single sites for high-performance electroreduction of carbon monoxide to multicarbon products

Abstract: Electrochemical carbon monoxide reduction is a promising target for the manufacture of value-added multicarbon compounds, but they do yield a number of products with poor selectivities and Faradaic efficiencies, as well as lower yielding various products with low selectivities and Faradaic efficiencies. Copper single atoms anchored to Ti 3 C 2 T x MXene nanosheets were first demonstrated as effective and robust catalysts for electrochemical monoxide reduction, with an exceptionally high selectivity of 98% for multicarbon sheets.

Source link: https://doi.org/10.1038/s41467-020-20336-4


Design and Development of Carbon Monoxide Gas Leak Detector in Vehicle Cabin

Most often, CO gas leaks occur in the AC hose. This work is designed to produce a carbon monoxide detector kit that would automatically identify carbon monoxide gas leaks in a vehicle cabin that is based on Arduino Uno. The design result of this CO gas leak detector can be retrieved from the MQ7's CO gas content, followed by a buzzer, and the display will show the status "Safe/Alert/Very Dangerous" as a warning to commuter car drivers. If the CO gas content exceeds the threshold of more than 25 ppm, the DC motor will automatically move the power window.

Source link: https://doi.org/10.31098/cset.v2i2.565

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions