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Sku: 211223-50
Categories: LAMP Kit

Product Description

Biofargo Fluorescent and Colorimetric LAMP Kit is designed to provide a one-step solution for Loop-Mediated Isothermal Amplification (LAMP) of DNA and an examination of the amplification results with naked eyes and with real-time fluorescent detector like real-time PCR machines. It has the following features:
  • Optimized LAMP mix, contains both fluorescent and colorimetric dyes that enables the end-point examination of LAMP results with naked eyes and the real-time detection of the amplification with a real-time PCR machine.
  • Real-time monitoring of the LAMP reactions.
  • Useful in optimizing LAMP primers or reaction parameters.
  • 4× concentration LAMP mix allows larger in-put sample volumes than 2× concentration mix, which can increase the sensitivity of the test.
  • High amplification efficiency, generally an order of magnitude more sensitive than PCR.
  • Isothermal amplification around 65°C, no need for expensive thermal cycling instruments.
  • Template-primer mix supplied as LAMP positive control, eliminates false negative results.
  • CAT#211223-50 is sufficient for 50 reactions of 20μL volume, and CAT#211223-500 for 500 reactions of 20μL volume.

Input Sample Requirements

  • Perform DNA purification with a positive and a negative control. For a sample number of N, perform N+2 purifications. For the two additional purifications,one is for positive control and another negative control.

Kit Contents

Component
CAT#:211223-50
CAT#:211223-500
4×Fluorescent and Colorimetric LAMP Mix
200μL
1mL
Bst DNA Polymerase 2.0
50μL
250μL
Template-primer Mix
50μL
250μL

Storage and Handling

Store the kit at -20°C. The kit is stable for at least one year from date of receipt.

Required Materials not Supplied

No
Item
1
Prepared DNA Samples
2
LAMP primers targeting DNA samples
3
Reaction vessels compatible with instrument for LAMP
4
Molecular biology grade ddH2O
5
Real-time PCR machine

Procedural Guidelines

  • Perform all steps at room temperature (20–25°C) unless otherwise noted.
  • Regularly de-contaminate working areas and equipment using chlorine bleach to avoid potential carryover contamination.
  • Avoid opening reaction vessels after a LAMP reaction is completed.
  • Screening at least 10 sets of LAMP primers for optimal sensitivity and specificity before choosing a final set.
  • Use Loop primers if possible.
  • Primers should be HPLC purified.

Procedures

  1.  Make 20×Primer Mix. Use appropriate amount of ddH2O to dissolve the HPLC-purified LAMP primers at 100μM each. Use the 100μM stocks to make 100μL 20×Primer Mix according to the following table. If volumes other than 100μL (50μL, 200μL etc.) is desired, adjust volumes accordingly.
Components
to add
Volume
to add
Final Concentration
in 20×Primer Mix
100μM FIP
32μL
32 μM
100μM BIP
32μL
32 μM
100μM Loop F
4μL
8 μM
100μM Loop B
4μL
8 μM
100μM F3
2μL
4 μM
100μM B3
2μL
4 μM
ddH2O
24μL
-
  1. Thaw all components to be used at room temperature. Vortex briefly 4×Fluorescent and Colorimetric LAMP Mix and Template-primer Mix. Centrifuge to collect material and place on ice. Don’t vortex Bst DNA polymerase 2.0.
  1. When using the kit for the first time,add all Bst DNA polymerase 2.0 to 4×Fluorescent and Colorimetric LAMP Mix and gently invert the tube for one minute to mix thoroughly.
  1. For a purification number of N+2, set up N+4 LAMP reactions as described below. Volumes listed are for 20μL reaction. For the two additional reactions, one is for LAMP Positive Control (PC) and another for LAMP Negative Control (NC) .

PC
NC
N+2
4×Fluorescent and Colorimetric LAMP Mix
5μL
5μL
5μL each
20×Primer Mix
1μL
1μL
1μL each
Template-primer Mix
5μL


N+2 samples


1-14μL each
ddH2O
9μL
14μL
Add to 20μL
  1. Seal reaction vessels.
  1. Incubate at 65°C for 60 minutes in a real-time PCR machine. Collect signal in the SYBR channel at every 60 seconds.
  1. After the reaction is finished, remove tubes or vessels from incubation and examine by eye. The two positive reactions should have S-shaped fluorescent signal, the reaction mixtures will turn green. The two negative controls should have no S-shaped fluorescent signal and the reaction mixtures should turn light green.
  1. If there is amplification in NC or there is no amplification in PC,the whole experiment is invalid. There is no need to analysis the results of the N+2 samples. Refer to Troubleshooting section.
  1. If there is no amplification in NC or there is amplification in PC,the whole experiment is valid. Analyze and record he results of the N+2 samples. The results from fluorescent detection can be downloaded from the real-time PCR machine, the colorimetric results can be photographed or scanned for later use.

Troubleshooting

  1. There is amplification in NC.
    1. This result suggests possible carryover contamination in working environment and/or reagents. To avoid carryover contamination, clean working areas and equipment using a 10% chlorine bleach solution, use new (un-contaminated) reagents, primer stocks, water, etc., use UNG-LAMP Kit, perform experiments in a new (un-contaminated) room.
    2. This result also suggests nonspecific amplification. To avoid nonspecific amplification, do amplification at temperature of 65°C -70°C,or put the reaction tubes to 65°C as soon as the reaction is set,or use a new set of primer for the targeted DNA region.
  1. There is no amplification in PC
    1. This result suggests failures in machine or reagents,use new machine or new set of reagents.

Limited Product Warranty

  • Biofargo,Inc. warrants its products as set forth in the Biofargo’s General Terms and Conditions of Sale at www.Biofargo.com. If you have any questions, please contact Biofargo @ www.Biofargo.com.
  • The information in this guide is subject to change without notice.
  • DISCLAIMER: TO THE EXTENT ALLOWED BY LAW, Biofargo INC. WILL NOT BE LIABLE FOR SPECIAL, INCIDENTAL, INDIRECT, PUNITIVE, MULTIPLE, OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH OR ARISING FROM THIS DOCUMENT, INCLUDING YOUR USE OF IT.

 

When can I expect my order to ship?

Most orders are filled and shipped within 2-3 business days from the time they are received.

Our standard shipping usually take 2-5 days.

We also provide express shippping for time-sensitive deliveries. 

Email contact@biofargo.com if you have any requirements.

 

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