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For general laboratory use.
Shipping: shipped at ambient temperature
Storage Conditions: store at ambient temperature
Store in an aluminium-coated bag or on a dry place.
Lyophilisates may hydrate at humidity levels >70 % when sealing is opened.Shelf Life: 6 months in sealed package
Description:
Saphir LAMP Turbo GreenMaster Lyophilisate is designed for isothermal amplification of DNA. The mix is based on a genetically enhanced Bst polymerase of the next generation. The mixe is the ideal choice for ultra-fast and robust amplification of DNA at constant temperature (60 to 65 °C). The enzyme shows high strand displacement activity and generates an amplification factor of up to 109 which is comparable to approx. 30 cycles in a PCR assay. The polymerase is 2-3x faster compared to Saphir Bst Polymerase (#PCR-389/#PCR-388/#PCR-387) and allows detection of a target gene within 5-10 minutes.Content:
Saphir LAMP Turbo GreenMaster Lyophilisate
Saphir Bst Turbo Polymerase, dNTPs, reaction buffer, Green DNA intercalator dye, additives and stabilizersPCR grade water
Handling
The lyophilisates are provided in low-profile (0.1 ml) 96-well plates with optically clear caps, whereby each well contains reaction mix for a final volume of 20 μl. The plates can be easily divided into 8-well strips and further segmented by cutting, allowing compatibility with a variety of PCR cyclers.
The lyophilisate combines highest performance with convenience of use and stability. There is no need for freezing, thawing or pipetting on ice. The few remaining pipetting steps minimize the risk of errors or contaminations.
Each vial contains all components (except primers and template) required for a 20 μl LAMP assay.
To perform the Assay, only fill up the vials with a primer mix and add DNA template.
The lyophilisate can also be used with ROX reference dye in PCR instruments that are compatible with the evaluation of the ROX signal. In this case, the ROX dye (#PCR-351) should be added as 1x concentration to the PCR reaction.Assay design
Isothermal amplification is an extremely sensitive detection method and care should be taken to avoid contamination of set-up areas and equipment with DNA of previous reactions. A problem may be amplification in no-template controls due to carry-over contamination or amplification of unspecifically annealed primers or primer dimer formations.
Primer design
Typically, 4 different primers are used to identify 6 distinct DNA regions allowing the specific amplification of a target gene. An additional pair of primers further accelerates the amplification allowing to cut down the total detection time to 10-20 min.
The manual design of primers may be challenging due to the complex reaction sequence. To simplify the design process the use of a primer design software is recommended.
As sensitivity and non-template amplification of in-silico designed primers may vary, the evaluation of 2 - 4 real primer sets before choosing a final set is recommended.Assay set-up
Pipet with sterile filter tips and perform the set-up in an area separate from DNA preparation or analysis. No-template controls should be included in all amplifications.
First, prepare a 10x conc. primer pre-mix. Second, set-up the isothermal amplification assay:component stock conc. final conc. Volumne 1x 20 μl Assay Primer Mix 10x 1x 2 μl Template DNA <500 ng/assay x μl PCR-grade Water fill up to 20 μl Dispensing the master mix
Vortex the primer/probe mix thoroughly to assure homogeneity.
Dispense 20 μl to each PCR tube or well of the plate.- Use a specific detection instrument for isothermal amplification or a real-time PCR cycler to run the assays
- Set the instrument to a constant incubation temperature between 60 to 65°C (depending on the primer annealing temperature)
- Measure the fluorescence intensity at an interval of 1 min for up to 30 min.
Trouble shooting
If amplification in no-template controls occurs the following points should be reviewed.Cross contamination from environments
- Clean equipment and areas with “DNA Away” solution
- Replace reagent stocks and pre-mixes with new components
- Stop reactions at an earlier point of time before non-template amplification occur
Carry-over contamination from previous reaction products
- Avoid opening reaction vessels after amplification
- Use separate preparation area and equipment if post-reaction processing is necessary
Non-template amplification from primers
- Increase incubation temperature stepwise by 1-2 °C
- Design a new set of primers for the target sequence
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产品组分
组分内容
型号 规格 储存温度
LAMP Turbo绿色冻干预混液
PCR395-01 192次 -20°C LAMP Turbo绿色冻干预混液
PCR395-02 960次 -20°C 操作手册
1 1 室温
*注意：在使用之前，应将溶液离心至管底。
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注意事项
保存建议 推荐蓝冰或冰袋运输。当您收到产品后，按照说明书建议保存各组分。 警告 本品仅供科研使用，请勿用于临床与诊断。 -
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