The size of the plant is a physiological phenomenon and it is not affected by the weather. Fruit trees have broken branches, a large number of results in the first year, and very few results in the following year, or even no results. This phenomenon is commonly called the size of the year. Bamboo has a large and small size. There are many bamboo shoots in the big year and there are many bamboos. There are fewer bamboo shoots in the young year, and there are few bamboos. They are very regular and circulate. Therefore, there is a saying that the year of raising bamboos and eating bamboo shoots in the first year.
Shannon told me that orchids are also big and small. Natural orchid size refers to the wild orchids on the mountain. Where he lives, there are many orchids, where there is Chunlan, where there are orchids; where orchids this year is a big year, where orchids this year is a small year, well aware of. When Shannon went to orchids in the year of the year (flower buds), they would go empty-handed if they went to the place where orchids were young (no buds). The theory of Shannong is credible.
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Nucleic Acid (DNA/RNA) Extraction Kit
1. Introduction
The total viral nucleic acid extraction kit is suitable for extracting total viral nucleic acid from serum, plasma, tissue homogenate and other samples. The kit is based on silica column purification technology, which eliminates the need for toxic phenol-chloroform extraction and time-consuming alcohol precipitation. This product has successfully extracted nucleic acids from hepatitis B A/C, hepatitis C, and norovirus standard. The obtained DNA/RNA can be directly used in a series of downstream experiments such as PCR, RT-PCR, and LAMP.
Notice:
1. The carrier RNA solid must be dissolved in Nuclease Free Water to 1µg/µl before use, and vortex to dissolve. Store in aliquots at -70°C. If you need to store it at -20℃ for a long time, please repackage it according to the number of times of use.
2. Dissolve Proteinase K (20mg/ml): Add Proteinase Dissolve Buffer to dissolve Proteinase K to a final concentration of 20mg/ml. Proteinase K dry powder can be stored at 2-8°C for one year, but dissolved Proteinase K must be stored in aliquots at -20°C. Repeated freezing and thawing of Proteinase K can affect its activity.
3. Buffer VHB must be diluted with 14 ml absolute ethanol before use and stored at room temperature.
4. Buffer RW2 must be diluted with 80 ml of absolute ethanol before use and stored at room temperature.
3. Shelf life
Except for Proteinase K and Carrier RNA, other components of this product can be stored at room temperature (15-25°C) for 12 months, and should be stored at 2-8°C for long-term storage. Proteinase K and Carrier RNA dry powder are transported at room temperature. Please store at -20°C after receiving the test product, and store at -20°C after dissolving.
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