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...Purification Agarose Gel Purification Molecular Biology Reference Introduction This protocol describes how to extract...ThermoFisher Scientific . Figure 1: A diagram of the different steps in RNA extraction. Before Starting RNA is...cells. Extract RNA from the homogenized sample(s).Transfer tissue/cell lysate to a 4 mL tube. Add the following...the cold room may damage it. Using a pipettor, transfer the top, aqueous phase to a new RNAse-free tube...

...shRNAs to any vector (the procedure will simply differ in terms of primer design). Let's assume that your...oligos The oligos should be resuspended in annealing buffer (10mM Tris, pH7.5-8.0, 50mM NaCL, 1mM EDTA) and...total volume of 50μL - add additional annealing buffer if necessary to get to 50μL. Efficient annealing...mini-prepping and verify insert by sequencing. Reference Page Top Index...

...Introduction For many experiments, you’ll need to make buffers, media, or other solutions. A key part of this ...cross-contamination with other substances. They also help you transfer the material to your tube or container. Pro-Tip...weighed out the correct amount of your reagent, transfer it into your container. Make sure that any spills...the accurate composition of your solutions and buffers. Now that you have your reagents weighed out, you...

... a standard plasmid transformation protocol and offer some tips and tricks to reduce transformation time...when requesting samples from Addgene Technology Transfer How to Order A step-by-step walkthrough of Addgene's...Scientist Jessica Welch to discuss her career path, differences in research culture between the US and Australia... importance of international collaboration, and offers career advice for scientists looking to expand ...

...FAQ What is the difference between high copy and low copy plasmids? The copy number refers to the number... one or more antibiotic resistance genes, which confer resistance to a specific antibiotic to the bacteria...Protocols Addgene Resources Molecular Biology Reference Bacterial Expression Systems Plasmid Collection...

...can be used to titer lentiviral preparations that confer antibiotic resistance....can be used to titer lentivirus preparations that confer antibiotic resistance. Determining the titer of...5 mL of 100X glutaGRO. Store at 4 °C. Pro-Tip Different brands and lots of FBS can promote or inhibit ... the incubator. Incubate for 48–72 h. Pro-Tip Different cells may be more sensitive to lentivirus or to...

...because different components of the specimen will refract and reflect the light. These differences create... of biological research and are found in many different types of laboratories. These tools allow you to...objective performs essentially the same task but has different magnifying powers. When you look at the side of...

... one or more antibiotic resistance genes, which confer resistance to a specific antibiotic to the bacteria... with resistance to that antibiotic - usually conferred by a plasmid carrying the antibiotic resistance...x (0.220 L) = 8.14 g pre-mixed LB-agar powder. Transfer the LB-agar powder you’ve measured out into an...molten agar from boiling over in the autoclave. Transfer the sterile water (in our case 220 mL) to the ...

...backbone (See Addgene's Sequencing Primers for reference). Many sequencing cores have a list of common ...recommends using Addgene's sequencing results as a reference for primer design. A good sequencing reaction ...reaction with high background: If you obtain a different sequence than expected and wish to contact Addgene...

... potential accidents such as spills. BSL-2 is different because it includes labs that work with agents...cannot perform your duties. Be sure to try out different sizes to know your fit. It is best to not reuse...

... select transformed cells containing plasmids differing in their resistance genes, as one does not need...Sample Data Selection of E.coli on LB-agar using different concentrations of carbenicillin plated over-agar...

... and this is used to determine how much of each buffer to add during the DNA isolation step. Finally, ...want to load 1.0 μg in 10μL, make 1.1μg in 11μL. Reference Page Top Index...

... biology, and thaw cell lines. There are many different types of water baths that exist as scientists ...scientists work with tubes and bottles of different sizes in the lab. Some water baths contain individual slots...

... of the four levels is to distinguish between different types of hazards and to provide protective measures...measures for each level, as each level has different safety requirements. BSL-1 is designated for those...

...restriction enzymes that can both function in the same buffer, as this will save time later. In our example, ...important that you sequence the final product. Reference Page Top Index...

...below to learn how to design primers for PCR. Reference Page Top Index...

...periods at -80°C can lose labels stuck to tube! Reference Page Top Index...

... selecting and using a centrifuge to separate different components in a liquid sample Using a Light Microscope...

...5 mL of 100X glutaGRO. Store at 4 °C. Pro-Tip Different brands and lots of FBS can promote or inhibit ...

...based transformation, generating what are commonly referred to as 'competent cells.' Many companies sell competent...