Nitrous Oxide Detection
Nitrous Oxide Detection - Related Videos
14:52
Recording Brain Electromagnetic Activity During the Administration of the Gaseous Anesthetic Agents Xenon and Nitrous Oxide in Healthy Volunteers
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Cited by 11 •
2018
Simultaneous magnetoencephalography and electroencephalography provides a useful tool to search for common and distinct macro-scale mechanisms of reductions in consciousness induced by different anesthetics. This paper illustrates the empirical methods underlying the recording of such data from healthy humans during N-Methyl-D-Aspartate-(NMDA)-receptor-antagonist-based anesthesia during inhalation of nitrous oxide and xenon.
09:03
Assessment of Methane and Nitrous Oxide Fluxes from Paddy Field by Means of Static Closed Chambers Maintaining Plants Within Headspace
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Cited by 14 •
2018
The overall goal of this protocol is to measure greenhouse gas emissions from paddy fields using the static closed chamber technique. The measurement system needs specific adjustments due to the presence of both a permanent water layer in the field and of the plants within the chamber headspace.
08:58
En Face Detection of Nitric Oxide and Superoxide in Endothelial Layer of Intact Arteries
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Cited by 10 •
2016
In this article we describe an adapted relatively easy method using the fluorescence dye diaminofluorescein-2 diacetate (DAF-2DA) and dihydroethidium (DHE) for en face simultaneous detection and visualization of intracellular nitric oxide (NO) and superoxide anion (O2.−) respectively, in freshly isolated intact aortas of an obesity mouse model.
08:13
Microwave-driven Synthesis of Iron Oxide Nanoparticles for Fast Detection of Atherosclerosis
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Cited by 2 •
2016
Microwave technology enables extremely fast synthesis of iron oxide nanoparticles for atherosclerosis plaque characterization. The use of an aminobisphosphonate in the external side of the nanoparticle provides a fast accumulation in the atherosclerotic area.
02:58
An Assay to Detect Oxidative Burst in Arabidopsis Leaf Discs upon Immune Elicitation
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2025
This video demonstrates an assay to measure oxidative burst in Arabidopsis leaves upon immune elicitation. Leaf discs, cut from plant leaves, are incubated with bacterial peptides functioning as microbe-associated molecular patterns or MAMPs. Upon detection of the MAMPs, plant cells induce the production of extracellular ROS, which is detected using a chemiluminescence assay.
FAQs
The detector exploits the fact that nitrous oxide molecules absorb selected infrared wavelengths when their molecular bonds vibrate. Radiation passing through or emitted by a gas therefore carries an absorption pattern associated with N₂O. Measuring the strength of that pattern provides the physical signal used to estimate how much nitrous oxide is present in the analyzed gas.
Calibration models connect measured infrared absorption with nitrous oxide concentration and help distinguish the N₂O signal from contributions made by other gases. This step is important because environmental and industrial samples contain gas mixtures rather than isolated molecules. Applying the model makes the reported concentration more reliable and supports comparisons among measurements taken under different conditions.
A transmission measurement examines how infrared radiation changes after traveling through the gas, whereas an emission measurement analyzes infrared radiation produced or released by the gas system. Both approaches use wavelength-dependent molecular behavior, but they obtain the information through different radiation pathways. The selected approach depends on how the instrument is configured to interrogate the sample.
Reliable results depend on measuring the relevant infrared absorption accurately and interpreting it with a suitable calibration model. Other gases can complicate the signal, so the analysis must distinguish their effects from the N₂O response. Careful interpretation matters because the absorption strength is converted into concentration and then used to evaluate emissions, air quality, or atmospheric conditions.
A typical measurement begins with air or another gas entering the instrument’s analysis path. The system then examines transmitted or emitted infrared radiation and identifies the response associated with N₂O. A calibration model converts the measured absorption strength into concentration while accounting for other gases. The resulting value can then support monitoring, control, or atmospheric analysis.
The technique is useful when researchers or operators need to quantify nitrous oxide released by agricultural or industrial activities. Concentration measurements can establish emission levels, support evaluation of pollution-control measures, and reveal whether those measures are changing the gas output. This makes detection relevant both for documenting emissions and for assessing the performance of control strategies.
Measurements provide concentration information needed to examine nitrous oxide in air and to assess changes associated with environmental sources. In atmospheric research, the data help improve understanding of N₂O as a long-lived greenhouse gas and ozone-depleting substance. In air-quality work, the same measurements support evaluation of gas levels and broader monitoring of environmental conditions.