What are the chemical properties of 1-Morpholin-4-Ylethanesulfonic Acid?
1 - Morpholin - 4 - Ylethanesulfonic Acid, or 4 - morpholine ethanesulfonic acid, is often abbreviated as MES. This is a commonly used zwitterion buffer in biochemical research.
Its chemical properties are unique. It is a white crystalline powder with good solubility in water and can easily form a uniform solution. The pKa value of this substance is about 6.15, and it has excellent buffering ability in the pH range of 5.5 - 6.7. Because it can effectively maintain the stability of the pH of the solution, it is widely used in many biochemical experiments.
In the chemical structure of MES, the morpholine ring is connected to the ethanesulfonic acid group, giving it specific chemical properties. The morpholine ring provides a certain alkalinity, while the ethanesulfonic acid group provides acidity. This unique structure allows MES to exhibit a buffering function in a specific pH range. In physiologically related research environments, MES can avoid damage to biomolecules or cells due to large fluctuations in pH. Its chemical stability is also good. Under normal experimental conditions, it is not easy to chemically react with common reagents. It can reliably maintain the pH value of the system and ensure the accuracy and reproducibility of experimental results. It is indispensable in the study of biological macromolecules such as proteins and enzymes, as well as in cell culture.
What are the main applications of 1-Morpholin-4-Ylethanesulfonic Acid?
1 - Morpholin - 4 - Ylethanesulfonic Acid is morpholine ethanesulfonic acid, referred to as MES, which is a commonly used amphoteric ion buffer in biochemical research. It is mainly used in the following fields:
In the field of cell culture, MES plays a key role. When cells are cultured in vitro, they are extremely sensitive to the pH of the environment in which they are located. MES can effectively maintain the pH stability of the culture medium and create a microenvironment suitable for cell survival and proliferation. The medium used in cell culture, after adjusting the pH value by MES, can meet the growth needs of various types of cells, enabling cells to metabolize and divide normally. It is of great significance in biopharmaceuticals, cell biology research, etc., such as providing a stable environment for cell line culture for the production of monoclonal antibodies.
In the enzymatic reaction system, MES is also indispensable. Many enzymes only have the best activity within a specific pH range. MES can precisely adjust the pH value of the reaction system according to the characteristics of different enzymes to ensure efficient and stable enzymatic reactions. In food processing, biological testing and other industries, many reactions that rely on enzymes rely on MES to maintain an appropriate pH. For example, in the process of using amylase to hydrolyze starch to produce glucose, MES stabilizes the pH value of the reaction system, guarantees amylase activity, and improves glucose production efficiency.
In the study of protein crystallization, MES has a wide range of uses. Protein crystallization requires specific solution conditions, and pH is one of the key factors. MES can be used to adjust the pH value of the crystallization solution and help the protein molecules to arrange in an orderly manner to form high-quality crystals. High-quality protein crystallization is essential for analyzing the three-dimensional structure of proteins through X-ray crystallography. It is of great significance in the field of structural biology and lays the foundation for in-depth understanding of protein function and mechanism of action.
How to Store 1-Morpholin-4-Ylethanesulfonic Acid Properly
1 - Morpholin - 4 - Ylethanesulfonic Acid (abbreviated as MES) is a commonly used amphoteric buffer in biochemical research. To properly preserve this substance, follow the following guidelines.
MES should be stored in a dry place. Moisture can easily deteriorate it. If the ambient humidity is high, moisture intrusion, or its chemical structure changes, the buffering performance will be reduced. Therefore, it is crucial to choose a dry and well-ventilated storage space, so as to avoid the worry of moisture.
Temperature is also an important consideration for the preservation of MES. Generally speaking, it should be placed in a cool place and refrigerated at 2-8 ° C. High temperature or cause its decomposition to accelerate, which affects the quality. If the temperature is too high, the molecular activity is enhanced, the chemical reaction is more likely to occur, and the buffering effect may be greatly reduced.
In addition, it is necessary to ensure that the storage container is well sealed. Oxygen, carbon dioxide and other gases in the air, or chemically react with MES, the sealed container can block the intrusion of external gases and maintain its chemical stability. After taking it, seal the container quickly to prevent air from entering.
In short, store 1 - Morpholin - 4 - Ylethanesulfonic Acid under dry, cool and sealed conditions, so that its quality and performance can be maintained for a long time for biochemical research and other work needs.
1-Morpholin-4-Ylethanesulfonic precautions in the use of Acid
1 - Morpholin - 4 - Ylethanesulfonic Acid is morpholinesulfonic acid, often referred to as MES, which is a commonly used buffer in biochemical experiments. When using, there are many things to pay attention to.
First, pay attention to its pH buffer range. The MES buffer range is about pH 5.5 - 6.7, and only within this range can effectively maintain the pH stability of the solution. If the required pH value of the experiment exceeds this range, MES is not suitable, and other matching buffers need to be selected, otherwise it will be difficult to achieve the expected experimental effect.
Second, pay attention to its solubility. MES is usually soluble in water, but during the dissolution process, water temperature and stirring conditions may affect its dissolution rate and degree. When dissolving, it is advisable to use an appropriate amount of deionized water, stir moderately and control the water temperature to promote its rapid and complete dissolution. If the dissolution is poor, there are undissolved particles in the solution, or interfere with the accuracy of the experimental results.
Third, pay attention to its purity. High-purity MES is essential for the reliability of the experimental results. The presence of impurities, or react with other substances in the experimental system, thereby interfering with the normal experimental process and causing deviations in the experimental results. When purchasing, choose a regular and reliable supplier to ensure that the product purity is up to standard.
Fourth, pay attention to its stability. Although MES is relatively stable, it may degrade or deteriorate under extreme conditions such as high temperature, high humidity and strong light. When storing, it should be placed in a dry, cool and dark place. Before use, it is also necessary to check its appearance and properties. If there is any abnormality, do not use it.
Fifth, consider the compatibility with other reagents. When using MES, it is necessary to determine whether it can coexist with other reagents in the experimental system and whether there is any chemical reaction. If some metal ions or form complexes with MES affect the buffering performance and experimental results, the interaction between reagents should be fully considered during the experimental design stage.
What is the production process of 1-Morpholin-4-Ylethanesulfonic Acid?
1 - Morpholin - 4 - Ylethanesulfonic Acid, or 4 - morpholine ethanesulfonic acid, often referred to as MES, is a commonly used zwitterion buffer in biochemical research. Its preparation process is fine and complicated, let me tell you in detail.
The selection of starting materials is extremely critical, usually morpholine and vinyl sulfonic acid or its active derivatives as starting materials. These two are active in nature and lay the foundation for subsequent reactions.
Condensation reaction is the core step. In a suitable reaction vessel, add an appropriate amount of morpholine and vinyl sulfonic acid derivatives, and add specific catalysts and solvents. The catalyst can accelerate the reaction process, and the solvent provides a homogeneous environment for the reaction. The reaction temperature and time need to be precisely controlled. Generally speaking, the temperature is maintained in a moderate range, and the reaction takes several hours to make the two fully condensed. During this period, the reaction process is closely monitored, and the reaction proceeds in the expected direction by means of thin-layer chromatography or high-performance liquid chromatography.
After the reaction is completed, the product needs to be separated and purified. First, the mixture containing the product is initially separated by distillation or extraction. After that, the impurities are removed and the purity of the product is improved by fine operations such as column chromatography and recrystallization. During column chromatography, according to the physical and chemical properties of the product and the impurities, the appropriate fixed phase and mobile phase are selected to achieve the separation of the two. Recrystallization depends on the solubility of the product in different solvents, and crystallizes many times in a suitable solvent to further purify the product.
Finally, the obtained 4-morpholine ethanesulfonic acid product is strictly tested for quality. Its purity, pH, moisture content and other key indicators are determined to ensure that the product meets the high standards of biochemical research. After this series of rigorous processes, high-quality 1-Morpholin-4-Ylethanesulfonic Acid can be prepared to meet the needs of scientific research and production.