Wuhan Desheng Biochemical Technology Co., Ltd

In the era of booming biotechnology, enzyme preparations, as key biocatalysts, play an irreplaceable role in many fields such as precise medical detection and diagnosis, efficient synthesis of biopharmaceuticals, and improvement of food processing quality. However, the activity of enzymes is highly susceptible to interference from external environmental factors, and improper storage can lead to a decrease or even inactivation of their activity, seriously affecting their practical application effectiveness. Therefore, mastering scientific methods for preserving enzyme preparations is an important prerequisite for ensuring their optimal catalytic performance. Freeze dried powder storage: precise control of multi ring nodes Freeze dried powder is a common stable form of enzyme preparation, and its preservation involves multiple key steps such as preservation, transportation, and reconstitution. In terms of preservation, temperature and humidity are key factors. Storing freeze-dried powder at 4-8 ℃ can meet short-term storage needs. If long-term storage is required, it needs to be frozen in an environment of -20 ℃, while ensuring a dry storage environment to prevent moisture absorption, as moisture may cause conformational changes in enzymes, thereby affecting activity. During transportation, in order to maintain a low temperature environment, it is necessary to use ice packs with insulated boxes, and the temperature should be controlled at ≤ 10 ℃. The freeze-dried powder should also be packaged to prevent damage to the product caused by ice pack rupture. The reconstitution process cannot be ignored, and specialized enzyme buffer solutions such as SAHH enzyme buffer should be used. When reconstitution, it should be gently mixed to avoid the formation of bubbles, and direct sunlight should be avoided to prevent adverse effects of ultraviolet radiation on enzyme activity. If the enzyme solution after reconstitution is not used up, 20% glycerol can be added and stored at 4 ℃. Glycerol can reduce water activity and minimize enzyme denaturation and inactivation. Liquid enzyme preservation: flexible response based on duration The storage method of liquid enzymes should be flexibly selected according to the length of use time. For short-term use, i.e. use up within 1-3 months, the liquid enzyme can be stored in an environment of 4 ℃ -8 ℃ while maintaining a final concentration of 20% glycerol. Glycerol acts as a stabilizer here, helping to maintain the stability of enzyme molecular structure. When long-term storage is required, with a time span of 1-3 years, the method of packaging and freezing at -20 ℃ should be adopted. Packaging can avoid repeated freezing and thawing, as repeated freezing and thawing can cause enzyme molecules to undergo the formation and melting of ice crystals, resulting in the destruction of the enzyme's spatial structure and affecting its activity. In addition, there are some situations where the "red line" for liquid enzyme preservation must be strictly followed. Liquid enzymes should not be left directly at room temperature for more than 2 hours. Temperature fluctuations are significant at room temperature, and microorganisms are prone to grow, which may damage the enzyme's activity. At the same time, it is necessary to avoid mixing enzymes with heavy metals and strong acid-base compounds. Heavy metal ions may bind to certain functional groups in enzyme molecules, altering the structure of the enzyme; Strong acidity or alkalinity can break the chemical bonds in enzyme molecules, leading to enzyme denaturation and inactivation. Whether it is freeze-dried powder or liquid enzyme, scientific preservation methods are the cornerstone to ensure their activity. In practical applications, researchers, production enterprises, and other parties should attach great importance to the preservation of enzyme preparations. Researchers follow the correct storage methods to ensure the accuracy and reliability of experimental data; Good preservation work by production enterprises can ensure product quality and enhance market competitiveness. Hubei Xindesheng Material Technology Co., Ltd. has established a professional enzyme preparation research and development team to develop high-quality and stable enzyme preparation products. The professional technical team can answer any questions you may have during the use and storage of enzyme preparations at any time. If you have any recent purchasing needs, please click on the official website to learn more details or contact me directly!      

In the development and production process of personal care products, Carbopol plays an indispensable role as an important thickening and stabilizing ingredient. However, little is known about the complex and subtle relationship between the viscosity of carbomer dispersion and the concentration of hydrogen ions. This article will take you on a deeper exploration of this scientific mystery, revealing how hydrogen ion concentration affects the viscosity of Carbopol, and the profound implications of this discovery for the personal care products industry. Hydrogen ion concentration: an invisible regulator of carbomer viscosity Carbopol, as a type of polymer, is affected by various factors in its dispersion viscosity, among which hydrogen ion concentration is a key regulatory factor. Research has found that as the concentration of hydrogen ions decreases, the viscosity of the carbomer dispersion shows a trend of first increasing and then decreasing. This means that within a specific range of hydrogen ion concentrations, carbomer can achieve its maximum thickening efficiency, providing ideal texture and stability for nursing products. Behind this phenomenon is the discrete ion effect of the neutralizing agent in the solution. When the concentration of hydrogen ions is too high or too low, the discrete ions of the neutralizing agent will interfere with the interactions between carbomer molecules, thereby affecting its thickening effect. Therefore, precise regulation of hydrogen ion concentration is particularly important in the formulation design of personal care products. Optimal range of hydrogen ion concentration: tailored for nursing products For personal care products with added carbomer, the choice of hydrogen ion concentration is not arbitrary. Research has shown that when the concentration of hydrogen ions is between 10-6 and 10-7, the viscosity value of carbomer is relatively stable and does not change much. This range is considered as the optimal hydrogen ion concentration range for carbomer thickening. The hydrogen ion concentration at which different types of carbomers reach maximum viscosity within this range varies slightly. For example, Carbopol 940 and Carbopol 980 reach their maximum viscosity at a hydrogen ion concentration of 10-8 mol/L, while Carbopol 1342 exhibits the best thickening effect at 10-6 mol/L. These differences provide more options for nursing product developers to choose the most suitable carbomer type and hydrogen ion concentration based on specific product needs. In addition, for situations where viscosity between different carbomers needs to be compared, adjusting the pH value of the carbomer dispersion to the optimal range mentioned above can more accurately evaluate its thickening performance and provide strong support for product formulation design. Weakly acidic trend: catering to the natural needs of personal care products It is worth noting that during the development of Capo resin, the concentration of hydrogen ions that achieve maximum thickening effect gradually tends towards weak acidity. This trend coincides with the pH range required for most personal care products. A weakly acidic environment not only helps maintain the natural barrier function of the skin, but also improves the stability and comfort of skincare products. Therefore, in the development of personal care products, choosing the appropriate type of carbomer and hydrogen ion concentration can not only optimize the texture and stability of the product, but also better meet consumers' needs for natural, mild, and safe care products. Hubei Xindesheng Material Technology Co., Ltd. focuses on the research and production of carbomer and related materials, providing a series of standardized high-quality carbomer resin products. If you have any recent purchasing needs, please click on the official website for more details or contact me. Looking forward to your consultation!  

In the current era where environmental protection is increasingly valued, the research and production of environmentally friendly plastic bags have become an important issue. Tris (hydroxymethyl) aminomethane, a seemingly ordinary chemical substance, plays a unique role in the preparation of environmentally friendly plastic bags and contributes to the cause of environmental protection. 1, Basic characteristics of tris (hydroxymethyl) aminomethane Tris (hydroxymethyl) aminomethane, abbreviated as Tris, is an organic compound with multiple hydroxyl and amino groups. Its molecular structure endows it with excellent buffering performance and reactivity, enabling it to maintain relatively stable pH values in different chemical environments. This characteristic makes it an ideal additive and regulator in numerous chemical reactions and material preparation. At the same time, it has a certain degree of water solubility, which facilitates uniform mixing with other substances in the solution system, providing convenient conditions for subsequent chemical reactions and material synthesis. 2, The key role in the preparation process of environmentally friendly plastic bags In the preparation method of an environmentally friendly plastic bag, tris (hydroxymethyl) aminomethane participates in an important reaction step. In the S2 stage of the preparation process, tannic acid is mixed with a second solvent and tris (hydroxymethyl) aminomethane is added, and the pH is adjusted to 7-9. Then, hydrogen peroxide is added for a secondary reaction. In this stage, tris (hydroxymethyl) aminomethane plays a crucial regulatory role. It helps maintain the pH value of the reaction system within an appropriate range through its buffering performance. A stable pH environment is crucial for the reaction between tannic acid and hydrogen peroxide, ensuring that the reaction proceeds in the expected direction and rate. Under appropriate pH conditions, tannic acid can fully react with hydrogen peroxide to produce products with specific properties. This reaction product further reacts with other substances to form key components such as heat-resistant enhancers, laying the foundation for improving the performance of environmentally friendly plastic bags. In addition, the addition of tris (hydroxymethyl) aminomethane may also affect the dispersibility and compatibility of substances in the reaction system. It can promote uniform mixing between various reactants, making the reaction more complete and thorough. In the process of preparing environmentally friendly plastic bags, the uniform mixing of various components is a key factor in ensuring product quality uniformity and performance stability. Tri (hydroxymethyl) aminomethane helps improve the quality of the final product by improving the dispersion state of the substance. 3, Positive impact on the performance of environmentally friendly plastic bags The environmentally friendly plastic bag obtained by the above preparation method has many excellent properties, and tris (hydroxymethyl) aminomethane plays an indirect promoting role in it. This environmentally friendly plastic bag has good mechanical properties, can withstand certain weight and tensile force, and meets the requirements of daily use. Its thermal stability performance is also excellent, and it can maintain stable performance within a certain temperature range without deformation or damage. At the same time, it also has certain UV resistance, which can resist UV erosion to a certain extent and extend the service life of plastic bags. These performance improvements are closely related to the regulation and promotion of the reaction by tris (hydroxymethyl) aminomethane during the preparation process. Tris (hydroxymethyl) aminomethane, as a commonly used biological buffer and chemical reagent, plays an important role in life science research and experiments due to its good solubility and stable pH characteristics. As a leading producer of tris (hydroxymethyl) aminomethane, Desheng offers analytical grade products with complete packaging specifications, providing customers with different choices. If you are interested, please feel free to contact us at any time to make a purchase!        

In the vast field of chemical materials, trihydroxymethyl aminomethane has gradually become an indispensable and important role in many industries due to its unique properties and diverse applications. Especially in the field of coatings, it has demonstrated extraordinary value, providing strong support for the improvement and optimization of coating performance. 1, Basic characteristics of trihydroxymethylaminomethane Trimethylaminomethane is an organic compound with multiple hydroxyl and amino groups. Its molecular structure endows it with good solubility and reactivity, allowing it to interact with various substances. This characteristic makes it widely applicable in chemical reactions and material preparation, laying the foundation for its subsequent application in coatings. 2, Key role in acrylic resin coatings In the preparation of acrylic resin coatings, trihydroxymethyl aminomethane plays a crucial role. In the acrylic resin coating formula disclosed in relevant patents, trihydroxymethyl aminomethane is used as a leveling agent. The smoothness of the coating surface is crucial for the final performance and appearance during the coating process. Trihydroxymethyl aminomethane can effectively control the leveling of coatings, making the coating surface smooth and even. This not only enhances the aesthetics of the coating, but also has a positive impact on the physical properties of the coating. For example, a smooth surface can reduce the adhesion of dust and dirt, making it easier to clean and maintain. At the same time, it synergizes with other components to further enhance the overall performance of the coating. The gas-phase silica in the coating endows the coating with thixotropy, while the combination of trihydroxymethyl aminomethane improves the suspension stability, thixotropy, and weather resistance of the coating. During the storage process of coatings, good suspension stability can prevent the settling of pigments and other components, ensuring the uniformity of coating quality; Thixotropy enables the coating to have good fluidity during construction, making it easy to apply, while maintaining a certain shape at rest to avoid flowing. In addition, components such as 2-hydroxy-2-phenylacetophenone work together with trihydroxymethylaminomethane to eliminate pinhole defects in the coating, further improving the quality and protective performance of the coating. 3, Significant improvement in the weather resistance of coatings Weather resistance is one of the important indicators for measuring the performance of coatings, which directly affects whether the coating can maintain its performance and appearance during long-term use. As a leveling agent, trihydroxymethylaminomethane indirectly enhances the weather resistance of coatings while improving their surface smoothness. The smooth surface reduces the erosion path of environmental factors such as ultraviolet radiation and moisture on the coating, and delays the aging process of the coating. Moreover, in the entire formulation system of the coating, the synergistic effect of each component makes the acrylic resin coating have good water resistance and hydrophobicity, which can better resist the erosion of rainwater and moisture, thus maintaining stable performance under various complex environmental conditions and extending the service life of the coating. Hubei Xindesheng Material Technology Co., Ltd., as an expert in the field of biological buffering, has rich production experience. Recently, the construction of the Huanggang new factory has been steadily progressing. After the new factory is put into use, the production capacity of biological buffering agents will reach a new height. We invite colleagues to pay attention to the construction process of Desheng's new factory, and welcome customers with relevant procurement needs to contact me!