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I’m the sales manager of exnan medical silicone. I have been in this field for more than ten years. If you are looking for custom-made silicone rubber products, feel free to ask me any questions.
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Possess 800 square meters of Class 10,000 dust-free workshop, Passed ISO9001:2015 quality management system certification and ISO13485:2016 medical device quality management system, and its products have obtained multiple biocompatibility tests, US FDA and EU LFGB certifications.
Class 10,000 cleanroom certification
ISO 9001:2015
ISO 13485:2016
ISO 10993－11:2017 Tail vein injection
ISO 10993－11:2017 Intraperitoneal injection
ISO 10993－11:2017 Pyrogens
Skin irritation test for extract of 0.9% sodium chloride injection
Skin irritation test for sesame oil extraction
Skin sensitization test in guinea pigs using the maximization method with 0.9% sodium chloride injec
Skin sensitization test in guinea pigs:maximization method with sesame oil extraction
Cell toxicity test:agar diffusion method
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Till now, Exnan products has been exports 35 countries, and more than 500 Medical equipment factory, health care companies, hospitals, clinics use our products, and win good reputation.
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Our silicone accessories meet international medical standards through strict quality control.
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Our silicone accessories meet international medical standards through strict quality control.
Ensure patient safety with our premium products. Explore our catalog today!
How to avoid cross contamination in PCR
Time： 2025-03-28 10:25:12
Author： Guangdong Exnan Technology Co.,Ltd
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To prevent cross contamination in PCR, prepare the PCR master mix in one room and add the template in a different room to ensure the clean room remains uncontaminated. Whenever possible, use a benchtop hood to prepare components, as it reduces the risk of contamination and is easy to decontaminate if necessary.
Q: How to avoid cross contamination in PCR?
A: To prevent cross contamination in PCR, prepare the PCR master mix in one room and add the template in a different room to ensure the clean room remains uncontaminated. Whenever possible, use a benchtop hood to prepare components, as it reduces the risk of contamination and is easy to decontaminate if necessary.
Q: What is the main way to control contamination in a molecular biology laboratory?
A: The primary method to control contamination in a molecular biology laboratory is to ensure that all equipment is cleaned and sterilized regularly. Maintaining a sterile work environment is essential to prevent contamination.
Q: How do you seal PCR tubes?
A: To seal a PCR plate, carefully remove the backing from the adhesive seal. Align the seal with the PCR plate and press it onto the plate. Use an applicator or another tool to firmly rub the seal along the rows and columns, ensuring each well is properly sealed.
Q: Why is contamination of foreign DNA in a PCR tube a particularly important problem during the PCR process?
A: Contamination of foreign DNA in a PCR tube is a significant issue because even trace amounts of DNA from the lab environment, such as a template from a previous qPCR experiment, can be amplified during the reaction. This can lead to non-specific amplification and misleading results, including false positives.
Q: What are 4 ways to prevent cross contamination?
A: To prevent cross contamination, use separate utensils or thoroughly wash and sanitize them between handling raw and ready-to-eat foods. Keep food covered and off the floor during storage, and avoid unnecessary touching of food.
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Hey there, I’m Steve!
15+ years in medical silicone accessories, linking manufacturers and healthcare providers for compliant, high-quality products. Trusted advisor focused on innovation and patient care. If you are looking for custom-made silicone rubber products, feel free to ask me any questions.
Hey there, I’m Steve!
15+ years in medical silicone accessories, linking manufacturers and healthcare providers for compliant, high-quality products. Trusted advisor focused on innovation and patient care. If you are looking for custom-made silicone rubber products, feel free to ask me any questions.
Welcome to contact us
If you have any questions, please fill in the relevant information. Weare very willing to provide more information and a full range ofservices for both you and your company
Welcome to contact us
If you have any questions, please fill in the relevant information. Weare very willing to provide more information and a full range ofservices for both you and your company
EXNAN
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