Saline Solution
Saline Solution - Related Videos
03:15
A Hypertonic Saline Injection Technique for Inducing Glaucoma in Rats
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2025
This video demonstrates glaucoma induction in an anesthetized rat by injecting hypertonic saline into the episcleral vein. The saline enters the trabecular meshwork via Schlemm's canal, causing tissue scarring, which blocks aqueous humor outflow and raises intraocular pressure. The elevated pressure damages retinal ganglion cells, leading to glaucoma.
06:29
Salinity-dependent Toxicity Assay of Silver Nanocolloids Using Medaka Eggs
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Cited by 2 •
2016
Embryonic stages are the most susceptible to xenobiotics. Although chemical toxicity depends on salinity, no method exists to test the salinity dependence of toxicity to aquatic organisms. Here, we describe a new and high-throughput method for determining the salinity dependence of toxicity to aquatic embryos.
01:17
Salinity Tolerance of Alishewanella Species Isolated from Seawall Muddy Water
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2025
Begin with a culture of Alishewanella, a Gram-negative, salt-tolerant bacterium.Next, streak the culture onto agar plates containing increasing concentrations of sodium chloride to simulate varying levels of saline stress.Overlay each plate with a layer of unsolidified medium to prevent oxygen diffusion and maintain the culture in an oxygen-limited environment.Seal and incubate the plates at an optimum temperature to support bacterial growth.During incubation, the bacterium exhibits varying...
07:27
Making Solutions in the Laboratory
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2023
The ability to successfully make solutions is a basic laboratory skill performed in virtually all biological and chemical experiments. A solution is a homogenous mixture of solute dissolved in bulk liquid known as the solvent. Solutions can be described by their solute concentration, a measure of how much solute is present per unit of solution. In this video, a step-by-step procedure for how to make a water-based, or aqueous, solution for biological applications is presented. The video...
02:16
Solution Formation
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2020
There is no one solvent that can dissolve every type of solute. Some substances that readily dissolve in a certain solvent might be insoluble in a different solvent. A simple way to predict which substances dissolve in which solvent is the phrase "like dissolves like". This means that polar substances, such as salt and sugar, dissolve in a polar substance like water. In contrast, non-polar substances are more soluble in non-polar solvents such as carbon tetrachloride. This selective solubility...
FAQs
Its sodium chloride concentration approximates the osmotic conditions of body fluids, so it limits large water shifts across cell membranes. This helps reduce cellular stress when neural tissue is exposed during an experiment or procedure. Maintaining a compatible fluid environment supports the preservation of neural function rather than adding avoidable osmotic disturbance.
The dissolved ions contribute to fluid balance and electrical conductivity around biological tissues. In neuroscience procedures, those properties help maintain a chemically and electrically compatible environment for exposed neural tissue. Saline therefore supports handling and observation of neural structures without introducing a fluid that lacks the ionic conditions relevant to tissue function.
A controlled sodium chloride and water composition provides a consistent fluid environment across procedures. That consistency can reduce variation caused by changing osmotic conditions or ionic content, helping researchers carry out irrigation, equipment flushing, or tissue maintenance more reliably. The resulting stability is especially relevant when preserving neural function is an experimental requirement.
Saline solution is formulated to approximate body-fluid osmotic conditions, which limits water movement across cell membranes. A fluid with substantially different osmotic conditions would be more likely to disturb cellular water balance. For neural applications, the saline formulation is therefore useful when the goal is to maintain tissue compatibility and reduce cellular stress during handling.
During procedures, saline solution can irrigate a surgical site and help maintain exposed neural tissue in a compatible fluid environment. It may also be used to flush recording or injection equipment before or during work. These uses support cleaner, more consistent handling conditions while helping preserve neural function throughout the procedure.
Saline solution can serve as a vehicle for selected experimental compounds when its composition is compatible with the intended application. In that role, it provides the fluid medium used to deliver the compound while retaining controlled osmotic and ionic conditions. Researchers can thereby connect compound administration with an environment designed to limit avoidable tissue stress.