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Setting up a LAMP station can take some work when you are starting from nothing. There is also a lot of choice involved, since our protocols can be adopted in high-throughtput labs measuring thousands of samples per day, or on a mountin hut to test friends and family. That’s why we set up a shopping list for you. All the consumables and devices you will or might need on one page. Including what to look for when choosing from different suppliers and substitutes, so you can get by when something goes out of stock.

Consumables

micrutube2

Microtubes

A staple of any lab, microtubes are essential in a lot of processes. With the usual volumes of 1.5 ml or 2 ml, they are used for mixing reagents together, performing reactions in large volumes, storing solutions and many more things. It's always good to keep a bag at hand. When shopping for microtubes for RT-LAMP, you are mostly free to choose whatever is available to you, but we recommend "low bind" tubes, that are made from a special kind of plastic that keeps the issue of samples sticking to the walls of the tubes to a minimum.

PCR strip

PCR strips

Combining 8 tubes of 200 microlitres each on one strip, PCR strips and an ideal choice for RT-LAMP and bead-LAMP when you have just a few samples to test. They make the colors really pop. When buying PCR strips, make sure to also buy a package of PCR strip caps, this way you can safely seal the reactions. The caps can be domed or flat, if you aren't using a heated lid in your heating instrument, you can go ahead with the domes ones. If you want to do the readout of the LAMP reaction in a qPCR cycler, it's best to use strips that are designed to be optically transparent for qPCR.

96 well plate

96 well plates

For carrying our LAMP reactions on a larger scale, one wants to use these convenient 96 well plates. Each of the wells can hold one RT-LAMP reaction, and wells are spaced so that the plate itself can easily be pipetted with the use of a multichannel pipette to make the work less straining. When picking a 96 well plate, think about what you will use to incubate your reactions and make sure your plates and heat source are compatible. If in doubt, contact the manufacturer.

Pipette tip

Pipette tips

Pipette tips are another one of the essentials. A pipette tip is the single use, small piece of plastic that sits on the bottom part of a pipette and transports the liquid from one solution to another. Filter tips are needed for setting where contamination is a concern, they are more expensive though. We recommend buying boxes filled with tips for convenience.

Falcon tube 50 ml

Falcon tubes

Falcon tubes are 15 or 50 ml plastic tubes with a screw top, usually graduated. They are convenient for mixing large amounts of solutions, such as mastermixes, buffers, beads and so on. They are good to have on hand for almost everything.

96 well plate seals

Plate seals

When using 96 well plates, you need to seal the plate before starting the reaction. Plastic adhesive seals are used for this purpose. Make sure to buy these whenever you use 96 well plates. A good seal is crucial to prevent cross contamination, so buy from reputable sources and always seal the plate very well using a plater roller or a plate sealer.

Reagent reservoir

Reagent reservoir

Plastic reagent reserviors, or troughs, enable the user to pipette one solution with multichannel pipettes at once. Clear, polystyrene or polypropylene material is single use and comes in sterile packaging. It is recommended for use with multichannel pipettes and thus for large sample numbers, and in high-throughput settings.

Glove

Gloves

For handling reactions and inactivated samples, gloves are still a must. RT-LAMP is a simle reaction that can be carried out in low-tech settings, but you must still remember that it is very sensitive and detects up to tens of molecules of DNA/RNA in a reaction. Gloves help to prevent contamination and protect you, your coworkers and your workspace.

Equipment

Single channel pipette

Single channel pipettes

To transfer liquids, a micropipette is needed. Variable volume, single channel pipettes are a necessity for any testing scenario. These pipettes can transfer only a specific range of volumes, so make sure you buy enough pipettes to cover the 0.5 - 1000 microliter range. Make sure that the pipette does not need a specific type of pipette tip. When in doubt, contact the manufacturer.

Multichannel pipette

Multi-channel pipettes

Multichannels are capable of pipetting 8 or 12 samples at once, significantly increasing the speed of your work. They are always a welcome help when dealing with a larger number of samples. We strongly recommend using them for work with 96 well plates and especially for performing bead-LAMP on large number of samples.

Strip magnet

Strip magnet

The magic of bead-LAMP comes from concentrating the sample input RNA thanks to magnetic bead separation. For small numbers of samples, we recommend working using a magnet made for strips. This magnet fits two or four PCR strips and is very convenient to work with. Magnets don't differ much from manufacturer to manufacturer, make sure to get one from a reputable source and that it's compatible with PCR strips.

Plate magnet

Plate magnet

For bead-LAMP on a large number of samples, you want to work on 96 well plates as you would with regular LAMP. Magnets are made especially for plate separation, and come in many configurations. We find the plate magnets that have the magnetic parts around the perimeter of the well itself to be the most convenient to work with for bead-LAMP, as they enable you to take off all the ethanol from the bottom of the well.

Plate roller

Plate roller

When using 96 well plates and plate seals, a proper sealing of the plate is essential to prevent cross-contamination. For the best seal, a plate roller is recommended. It's a simple roller with a soft, plastic rolling part. For low tech setting, a plate roller can be creatively substituted by any number of household items, just make sure that the seals fit very well on the plate itself. It always pays of to be careful and adhere to measures to prevent contamination.

Tube racks

Tube racks

Tube racks come in all shapes, sizes and colors. You never want your tubes just laying on the workbench, so stay organized with tube racks. There are many options to choose from and it's mostly up to your personal preference.

Freezer box

Freezer boxes

These boxes are nothing special, usually paper or plastic and with inserts to fit a number of 1.5 ml tubes comfortably in an organized manner. Boxes help you stay organized and conserve limited storage space in fridges and freezers.

Heat source

Thermocycler

Thermocycler

Reliable and precise as any lab instrument should be, a thermocycler is the most precise form of temperature control that you can choose for RT-LAMP reactions. You can run reactions in a standard thermocycler for temperature control or a qPCR thermocycler for simultaneous real-time fluorescent readout of the reaction. The use of a thermocycler may seem like an overkill, but even for low-resource environments it may be a good choice. Many laboratories are getting rid of their old thermocyclers for a bargain, so it is not unusual to find a good deal on a used themocycler for a few hundrend dollars. A new thermocycler costs in the range of thousands of dollars.

Heatblocks

Incubator heat block

Considerably cheaper than a thermocycler, a heat block is a device that does just what RT-LAMP needs - a constant temperature. Heat blocks are cheaper than cyclers, and are an ideal choice for RT-LAMP. When shopping for a heat block, make sure it includes an insert for 96 well plates. Our findings suggest that reactions perform the best in heat blocks, and a heated lid is optional for our reactions.

Sous vide cooker

Sous-vide cooker

RT-LAMP reactions can be successfully performed water baths set at 63 degrees. The easiest is the use of a sous-vide cooker, as has been demonstrated in the preprint of our method on bioRxiv. This enables the set-up of RT-LAMP in a truly low-tech manner, and for home testing purposes.

Coming soon: Open source LAMP machine

An open source device that incubates samples at 63 degrees and reads out flurorescence in real time. Developed by Andrew Straw and his team at University of Freiburg, Germany.

See our protocols