Medium has a high ion concentration - Database & Sql Blog Articles

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MS solid medium is widely used in plant tissue culture for inducing callus formation or for culturing embryos, stems, shoot tips, and anthers. Its liquid form is ideal for cell suspension cultures and has shown significant success. The inorganic nutrient content in MS medium is carefully balanced to meet the physiological and nutritional needs of plant cells. As a result, it's generally unnecessary to add organic components such as amino acids, casein hydrolysate, yeast extract, or coconut water.

A notable feature of MS medium is its higher levels of nitrate, potassium, and ammonium compared to other media like B5. In contrast, B5 medium contains lower ammonium concentrations because ammonium can sometimes inhibit plant growth. Experimental results show that some plant callus and suspension cultures grow better on MS, while others thrive more on B5. This makes the choice of medium highly dependent on the specific plant species and experimental goals.

N6 medium is particularly suitable for anther and pollen culture in cereal plants and is commonly used both domestically and internationally. Other frequently used media include White (1963) and Nitsch (1951) media, which share similar basic compositions. The White medium is preferred for woody plants due to its lower inorganic salt content.

In drug research and development, several key areas are focused on:

• New drug screening: Evaluating the effectiveness of synthetic chemical drugs and identifying active ingredients in traditional Chinese medicine.
• Vaccine development: Researching viral vaccines (such as hepatitis and AIDS vaccines) and tumor vaccines like polypeptide-based options.
• Genetic engineering drugs: Developing drugs like interferons and cell growth factors.
• Cell engineering drugs: Focusing on biologically active peptides and bioactive compounds such as ginsenosides and paclitaxel.
• Monoclonal antibody production: Creating antibodies for both diagnostic and therapeutic purposes.

These advancements play a crucial role in modern biotechnology and pharmaceutical industries, driving innovation and improving treatment outcomes across various medical fields.