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Supported lipid bilayers are a very useful tool in many fields of cell and membrane biology. But how easy is it to make them? Bilayers can be made quite reproducibly, once you have found a reliable protocol! However, it can take some time to optimize your technique, so to increase your chances, make sure you…
In the previous installment of this series on western blotting, we addressed potential sources of error when your final product is completely bare. But alternatively, what do you do when too much background is the problem? You may have beautiful bands of interest—but if there is a bunch of non-specific binding, your quantification and data…
Western Blotting is a long established method for which the protocol varies little from lab to lab. However, there are kits available and some tweaks that can be made to the protocols that may improve your results and reduce the time it takes you to execute this popular technique. Save Time by Co-Incubating the Primary…
If you’re new to next gen sequencing, figuring out what to do with your results can be a daunting process. Luckily, you’re not alone—plenty of people have been in your shoes, and there is tons of information about data analysis out there. Here are some free resources you can use to get up to speed…
The ELISA (enzyme-linked immunosorbent assay) is arguably one of the most important and versatile tools in the toolbox of molecular biologists, biochemists and diagnosticians across the world. Defined by its simplicity and speed, the assay is easy to learn and perform in as few as five steps. But with so few variables to manipulate, an…
Do you need your protein in its native form, intact, with full functionality? Do you need to isolate organelles and nuclear fractions from the cytoplasm? Or do you need a slurry of everything in your cell or tissue? Whatever your experiment, you can maximize the amount of functional, detectable or active proteins by handling your…
You have your favorite protein in mind and are ready to set up some exciting experiments to show what it does and how it does it, when it is active, what other proteins it modifies, and how it affects your cells. There is one slight problem. You need to fish your favorite protein out from the…
After you finish immunoprecipitating a protein or purifying a subcellular compartment, you need to identify what proteins you purified. You could attempt to identify your purified proteins the old fashioned (and slow!) way by running a multitude of Western blot. But rarely do labs have unlimited funds for Western blot antibodies. And lets face it,…
Do you wonder if your favorite protein interacts with another protein? Do you wish that you could shine a spotlight on your protein to determine its binding partner? You can use co-immunoprecipitation (Co-IP) to find your protein’s partner. This article will get you ready for your first Co-IP, provide a handy Co-IP protocol, and discuss…
An ELISA (Enzyme-Linked ImmunoSorbant Assay) is a popular assay that uses antibodies and color change to detect proteins, peptides, antibodies or biomolecules in complex mixtures. ELISAs are popular because they are reliable, specific, easy to use, and can easily be scaled up to process multiple samples simultaneously. How an ELISA is Done: In an ELISA,…
Here, we share a protocol for a midiprep, which, if not faster, gives a larger plasmid DNA yield than any commercial midiprep kit.
Learning how to speed read can save you a bunch of time; we’ve outlined some simple steps that will dramatically improve your reading speed.
Removing unwanted DNA from vectors is one of the most routine laboratory techniques in cloning. Check out our top tips.
There’s more than one way to do a plasmid miniprep. Here are 5 to add to your molecular biology arsenal.
Could ligation independent cloning get any better? Well here is a technique that is sequence AND ligation independent.
For identifying positive clones from a plasmid cloning procedure, the routine of performing a mini-prep and then checking the putative clones by restriction digestion is most commonly used. Of course, if you need to screen a large number of clones, another option is a colony PCR to identify positives, followed by restriction digests to confirm….
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