| Customization: | Available |
|---|---|
| CAS No.: | 367-93-1 |
| Formula: | C9h18o5s |
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| Introduction |
| IPTG (isopropyl - β - D-thiogalactoside) is an organic compound with the chemical formula C9H18O5S, belonging to the class of lactose mimetics. It can induce the transcription process of lactose operon, thus inducing the expression of corresponding proteins downstream of lactose operon genes. |
| Function |
Gene expression induction: IPTG, as an active inducer of β - galactosidase, is used to induce gene expression on expression vectors containing the lac promoter, thereby achieving efficient expression of exogenous genes in host cells. Screening for recombinant plasmids: When pUC series vector DNA is transformed into lacZ deficient cells, IPTG and X-gal are added together to plate culture medium, and cells containing recombinant plasmids are screened based on whether the colony appears blue. Protein production: In prokaryotic expression systems, IPTG is commonly used to induce the expression of exogenous genes, increase protein expression levels, stabilize products, and facilitate subsequent identification and purification. |
| Application |
| Prokaryotic protein expression regulation: IPTG is widely used in prokaryotes, such as the E. coli expression system, to simulate the action of lactose and activate gene expression on expression vectors containing the lac promoter, achieving induced expression of exogenous genes. Screening of gene recombinant: When pUC series vector DNA is transformed into lacZ deficient cells, IPTG and X-gal are added to plate culture medium together, and cells containing recombinant plasmids are screened based on whether the colony appears blue. Biopharmaceutics: As an inducer, IPTG is used to induce the expression of target proteins in biopharmaceutical technology. For example, in the preparation method of recombinant subunit antigen of novel coronavirus, IPTG is used to induce the expression of recombinant proteins after the bacteria are broken. Enzyme catalysis technology: IPTG is also used in enzyme catalysis technology to enhance the catalytic ability of cells or enzymes by inducing the expression of specific genes. |
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| Q: What types of cosmetic raw materials do you supply? |
| We supply a wide range of cosmetic raw materials, including but not limited to whitening agents, moisturizing agents, antioxidation, emollients, surfactants, preservatives, pigments, and active ingredients to meet diverse formulation needs. |
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| To place an order, simply browse our product catalog, select the desired items, and follow the online checkout process. If you have specific requirements or need assistance, our customer service team is ready to help. |
| Q: What is the minimum order quantity for your cosmetic raw materials? |
| The minimum order quantity varies by product. You can find this information on the product pages or contact our sales team for specific details. Usually MOQ is from 1kg. |
| Q: Can I request a sample of a specific cosmetic ingredient before placing a bulk order? |
| Yes, we offer sample sizes for most of our products. You can request samples through our website, and our team will assist you in choosing the right products for your needs. |
| Q: What quality standards do your cosmetic raw materials adhere to? |
| Our cosmetic raw materials adhere to industry-standard quality and safety regulations. We ensure compliance with relevant standards and provide documentation, such as Certificates of Analysis, upon request. |
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| We accept various payment methods, including credit cards, bank transfers, and other secure online payment options. Details are available during the checkout process. |
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| We work with reliable shipping partners to ensure timely and secure delivery of your orders. You can track your shipment through tracking website and our customer service team is available to assist with any delivery-related inquiries. |
| Q: Do you provide technical support or documentation for the proper usage of your cosmetic raw materials? |
| Absolutely. We offer technical support and provide comprehensive documentation, including usage guidelines and formulation recommendations. Our team is available to address any technical inquiries you may have. |
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