APVNK 004 (4 preps) |
APVNK 050 (50 preps) |
APVNK 100 (100 preps) |
APVNK 200 (200 preps) |
|
VNE Buffer | 1.8 ml x 2 | 35 ml | 70 ml | 140 ml |
Wash Buffer 1 * (concentrate) | 0.9 ml x 2 | 22 ml | 44 ml | 88 ml |
Wash Buffer 2 * (concentrate) | 1.5 ml | 20 ml | 40 ml | 40 ml x 2 |
RNase-free Water | 0.5 ml | 6 ml | 6 ml x 2 | 20 ml |
Carrier RNA | 0.05 mg | 0.4 mg | 0.8 mg | 1.6 mg |
VNE Column | 4 pcs | 50 pcs | 100 pcs | 200 pcs |
Collection Tube | 8 pcs | 100 pcs | 200 pcs | 400 pcs |
Elution Tube | 4 pcs | 50 pcs | 100 pcs | 200 pcs |
User Manual | 1 | 1 | 1 | 1 |
Important Notes:
Problems |
Possible reasons |
Solutions |
Low or no yield of genomic DNA |
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Incorrect preparation of Wash Buffer 1 or Wash Buffer 2 |
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Wash Buffer 1 and Wash Buffer 2 is not mixed with ethanol before use |
Make sure that the correct volumes of ethanol (96- 100 %) is added into Wash Buffer 1 and Wash Buffer 2 when first open. Repeat the extraction procedure with a new sample. |
The volume or the percentage of ethanol is not correct before adding into Wash Buffer 1 and Wash Buffer 2 |
Make sure that the correct volumes of ethanol (96- 100 %) is added into Wash Buffer 1 and Wash Buffer 2 when first use. Repeat the extraction procedure with a new sample. |
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Elution of genomic DNA is not efficient |
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RNase-free water not completely absorbed by column membrane |
After RNase-free water is added, stand the VNE Column for 2 min before centrifugation. |
Column is clogged |
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Sample is too viscous |
Reduce the sample volume. |
Degradation of eluted DNA |
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|
Sample is old |
Always use fresh or well-stored sample viral nucleic acid extraction. |
E-mail: sales@alphagen.bio
Mobile:+886-982-951-501
TEL:+886-8-736-7106
FAX:+886-8-736-7152
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