Aqueous Environment
Aqueous Environment - Related Videos
10:26
Photopatterning Proteins and Cells in Aqueous Environment Using TiO2 Photocatalysis
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Cited by 2 •
2015
We describe a protocol for modifying cell affinity of a scaffold surface in aqueous environment. The method takes advantage of titanium dioxide photocatalysis to decompose organic film in the photo-irradiated region. We show that it can be used to create microdomains of scaffolding proteins, both ex situ and in situ.
20:28
A Toolkit to Enable Hydrocarbon Conversion in Aqueous Environments
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Cited by 1 •
2012
A sustainable auto regulating bacterial system for the remediation of oil pollutions was designed using standard interchangeable DNA parts (BioBricks). An engineered E. coli strain was used to degrade alkanes via β-oxidation in toxic aqueous environments. The respective enzymes from different species showed alkane degradation activity. Additionally, an increased tolerance to n-hexane was achieved by introducing genes from alkane-tolerant bacteria.
03:03
Chemical Reactions in Aqueous Solutions
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2020
Chemical substances interact in many different ways. Certain chemical reactions exhibit common patterns of reactivity. Due to the vast number of chemical reactions, it becomes necessary to classify them based on the observed patterns of interaction. Water is a good solvent that can dissolve many substances. For this reason, many chemical reactions take place in water. Such reactions are called aqueous reactions. The three most common types of aqueous reactions are precipitation, acid-base, and...
02:42
Aqueous Solutions and Heats of Hydration
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2020
Water and other polar molecules are attracted to ions. The electrostatic attraction between an ion and a molecule with a dipole is called an ion-dipole attraction. These attractions play an important role in the dissolution of ionic compounds in water. When ionic compounds dissolve in water, the ions in the solid separate and disperse uniformly throughout the solution because water molecules surround and solvate the ions, reducing the strong electrostatic forces between them. This process...
07:30
Determining the Mass Percent Composition in an Aqueous Solution
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2023
Source: Laboratory of Dr. Neal Abrams — SUNY College of Environmental Science and Forestry Determining the composition of a solution is an important analytical and forensic technique. When solutions are made with water, they are referred to as being aqueous, or containing water. The primary component of a solution is referred to as the solvent, and the dissolved minor component is called the solute. The solute is dissolved in the solvent to make a solution. Water is the most common solvent in...
FAQs
Hydration shells form when water molecules orient around dissolved ions, with their polar structure stabilizing charged species in solution. This stabilization supports ionic dissociation and influences how chemical species interact and move. Because the surrounding water changes the effective behavior of ions, hydration is important when interpreting solubility, reaction progress, and transport in chemical systems.
Ionic strength describes the influence of dissolved charged species on the solution as a whole. Changes in ionic strength can alter how ions behave, interact, and remain stabilized by surrounding water. Consequently, it can affect equilibria, solubility, and reactivity, making ionic strength an important condition to consider when comparing aqueous chemical results.
pH provides a key condition for understanding acid-base reactions in water. Variations in pH change the chemical setting in which acidic and basic species interact, influencing their behavior and the resulting equilibrium. Controlling or recording pH therefore helps chemists interpret reaction outcomes, compare solutions, and evaluate how aqueous conditions affect chemical reactivity.
Concentration determines how much of each dissolved substance is present, while temperature changes the conditions under which species interact. Together with pH and ionic strength, these variables can influence solubility, equilibrium, and reactivity. Tracking them helps distinguish whether an observed change results from composition, thermal conditions, or broader solution effects.
A useful aqueous-solution study should account for concentration, pH, temperature, and ionic strength because each can affect the observed chemical behavior. Recording these conditions allows researchers to relate changes in solubility, equilibrium, reactivity, or solute transport to specific solution variables. This practice also supports meaningful comparison among experiments or samples.
In analytical chemistry, aqueous solutions provide settings in which dissolved species can interact and produce information about chemical composition or behavior. Environmental chemistry applies the same principles to understand how substances dissolve, react, and move through water-containing systems. Concentration, pH, temperature, and ionic strength help explain differences among samples and conditions.
Aqueous conditions influence the movement and interactions of chemical species, which makes them relevant to electrochemistry and biological systems. In these contexts, solubility, equilibrium, reactivity, and transport depend on solution conditions such as pH, concentration, temperature, and ionic strength. Understanding those dependencies provides chemical context for interpreting processes in both fields.