Air Accumulation
Air Accumulation - Related Videos
01:27
Cost Accumulation and Flow
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2026
In manufacturing, production costs are accumulated and tracked to understand how resources are consumed and how they contribute to the final product. This process, known as cost accumulation, involves recording material, labor, and overhead costs and linking them to specific cost objects, such as individual products or production processes.Costs flow through inventory accounts in a sequence that mirrors the physical movement of goods. Initially, raw materials are recorded in the raw materials...
04:02
An Assay to Measure the Accumulation of a Fluorescent Antibiotic Probe in Bacterial Cells
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2025
This video demonstrates an assay to measure the accumulation of a fluorescent antibiotic probe in bacterial cells. Exposure to an efflux pump inhibitor disrupts the transmembrane proton gradient in bacterial cells, upon which a fluorophore-conjugated antibiotic is added. Inhibition of efflux pumps due to the disrupted proton gradient causes accumulation of the antibiotic inside the bacteria. Bacterial cells are lysed, and the fluorescence intensity is measured to confirm antibiotic accumulation.
01:27
Air-entraining Agents
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2024
Air-entraining agents improve the durability and workability of concrete in climates with frequent freezing and thawing. These agents prevent cracks by introducing small air bubbles into the mix, creating spaces accommodating water expansion when temperatures drop. The air-entraining agents lower the surface tension of water, forming stable, small air bubbles. This method is more effective than having accidental large voids, as the intentional, smaller, and evenly distributed air voids improve...
03:41
An Air Pouch Mouse Model for Lipopolysaccharide-Induced Inflammatory Exudate Collection
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2025
This video describes the procedure for generating an air pouch in the subcutaneous tissue of mice and collecting inflammatory exudates in response to lipopolysaccharide administration in vivo. This video also covers the analysis of the neutrophil infiltration in the air pouch.
09:00
Spatial Measurements of Perfusion, Interstitial Fluid Pressure and Liposomes Accumulation in Solid Tumors
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Cited by 6 •
2016
The heterogeneous intra-tumoral accumulation of liposomes has been linked to an abnormal tumor microenvironment. Herein methods are presented to measure tumor microcirculation by perfusion imaging and elevated interstitial fluid pressure (IFP) using an image-guided robotic system. Measurements are compared to the intra-tumoral accumulation of liposomes, determined using volumetric micro-CT imaging.
FAQs
As gas volume increases, pressure within the affected space may rise and compress nearby structures. The resulting impairment depends on both the amount of air and its location. In clinically important cases, compression can interfere with organ function and may progress toward respiratory or circulatory compromise, making recognition of worsening effects essential.
Air may enter a body space from outside the body, develop as a consequence of injury or disease, or remain because it cannot be adequately absorbed or expelled. These pathways differ in origin, but each can produce progressive pressure effects when gas continues to collect faster than the body can remove it.
The clinical effect depends partly on whether gas collects in a body cavity, organ, or tissue. Each location places air near different structures, so the same general process can produce different functional disturbances. Evaluating location therefore helps clinicians judge which anatomy may be compressed, how serious the finding is, and what response may be needed.
Evaluation combines physical examination with imaging to determine where the gas is located, how much has collected, and what cause is most likely. These findings provide more useful clinical information than identifying air alone, because location, volume, and origin help establish severity and guide the next management decision.
Management is guided by the severity of the accumulation and its underlying cause. Clinicians consider the amount of gas, its location, the degree of pressure on nearby structures, and evidence of impaired function. This approach allows treatment decisions to reflect the patient’s actual risk rather than relying on the presence of air alone.
Recognition can support timely diagnosis of conditions such as pneumothorax and postoperative complications. Early identification helps clinicians assess whether collected gas is affecting nearby anatomy or organ function and whether respiratory or circulatory compromise could develop. The finding is therefore relevant both to acute evaluation and to monitoring patients at risk for complications.