...Learn about the Cre-Lox system and how it can be used for genetic rearrangements and recombination. Use...

...BSL-2 Guidelines Remember, the BSL-1 laboratory guidelines above are expected to be followed in addition... PPE protocols . Working in a BSL-2 laboratory requires laboratory glasses in addition to coat and gloves... materials. Video Watch the video to learn more about safety in the lab. Equipment Lab coat Close-toed... eat, drink, chew gum, or apply makeup in the laboratory. Before you start your experiment, make sure ...Only mechanical pipetting should be done in the laboratory. Don’t mouth pipette! There may be some times...not be worn outside of the BSL-2 area. BSL-2 laboratories must be clearly marked as “BSL-2.” The names...names and contact information of the laboratory manager should be clearly visible in the room and on the ...

...Learn about selecting the correct pipettor and pipette tip, how to dispense liquids, and how to handle...liquid (think: 0.1 µL to 1 mL). When working in a laboratory, properly dispensing liquid ensures the accuracy...100 from top to bottom (as shown in the picture above), while 650 µL would read as 065. P200: The first...100 from top to bottom (as shown in the picture above), while 95 µL would read as 095. P20: The first ...10 µL would read as 100 (as shown in the picture above), while 2.2 µL would read as 022. P2: The first ...1 µL would read as 100 (as shown in the picture above), while 0.5 µL would read as 050. Each volume display...

...cool down to about 50 °C (about when you can comfortably keep your hand on the flask), about 5 mins. Optional...concentration of approximately 0.2-0.5 μg/mL (usually about 2-3 μl of lab stock solution per 100 mL gel). EtBr... of the tip of the pipette into the buffer just above the well. Very slowly and steadily, push the sample... of the way down the gel. A typical run time is about 1-1.5 hours, depending on the gel concentration ...

...personal protective equipment including laboratory coat, laboratory goggles, and gloves. Sodium azide containing... not already been done. We typically start with about 250 mL of supernatant and add 250 µL of 100X protease... sample among multiple columns. For information about the total binding capacity for your columns, refer...setting. If the concentration of the pooled sample is above 1.0 mg/mL proceed to Option 1 with a buffer exchange...based on the concentration of the pooled sample above. Option 1: Buffer exchange using a desalting column...

... Protocols Video protocol guides for standard laboratory procedures. How-To Videos Screencapture walk-...Electrophoresis Gel electrophoresis is the standard laboratory procedure for separating DNA by size for visualization... MTA FAQs Answers to frequently asked questions about the MTA process Help Center How to Deposit Your ...projects in the works, and all of the things she loves about working at Addgene! Maria Soriano Maria Soriano,...in science, the importance of international collaboration, and offers career advice for scientists looking...

...and Two (BSL-1 and BSL-2) Safety measures for laboratories operating at BSL-1 and BSL-2 Watch the Video...maintenance and use Watch the Video! Pipetting Learn about selecting the correct pipettor and pipette tip, ...the pipette Watch the Video! Centrifugation Learn about selecting and using a centrifuge to separate different... a liquid sample Using a Light Microscope Learn about the parts of a light microscope and its use Weighing...Weighing Reagents Learn how to weigh laboratory materials on a balance Basic Molecular Biology Name Description...

...Learn about selecting and using a centrifuge to separate different components in a liquid sample....Introduction A centrifuge is a common piece of laboratory equipment used to separate different components.... Floor Centrifuges sit on the floor and can be about bench height. They often spin at similar speeds ...tabletop microcentrifuge like the one in the picture above. Wear PPE appropriate for the lab space in which...

....8-fold. See the recipe for D1 + 0.1 M sorbitol above. Carefully pour off the media into a waste container...in a total of 5 mL of cell lysis buffer (recipe above). Pipet back and forth to resuspend each pellet ...pellets and keep on ice. Process the cell pellet from above as follows: Resuspend and lyse the cells by adding...tube containing the resuspended virus from step 12 above. Add 50 units of benzonase per mL of viral suspension...

...balance in the photo above has a capacity of 200 g, as indicated by the number above the "Zero" button. ... reagents for a stock mixture is an essential laboratory technique, as imprecise measurements can affect...

...water Microscope slide Anti-fade mounting medium Laboratory wipes 15 mL conical tubes 50 mL conical tubes...paraformaldehyde and follow your institution's laboratory safety guidelines for disposing of waste in the...remove the coverslip. Blot the coverslip with a laboratory wipe to remove excess liquid. Add 1 drop of anti-fade...

...Addgene’s Mammalian RNAi Tools page. Several other laboratories have deposited pLKO derived vectors that may...produce the same phenotype will alleviate concerns about off-target effects. B.2 Ordering Oligos Compatible...should be decontaminated with at least 10% bleach. Laboratory materials that come in contact with viral particles...work in a BL2 facility. If you have any questions about what safety practice to follow, please contact your...

...amplification process. When designing, if unsure about what nucleotide to put at a certain position within...capabilities. Taking into consideration the information above, primers should generally have the following properties...

...resistance and your initials. Labeling within a laboratory setting is important for organization, and it...a section of the plate, as shown in the diagram above, to create streak #1. Pro-Tips Hold your tooth pick...

...coli after Over-Agar Plating of Carbenicillin. The above graph displays the stock concentration of Carbenicillin...concentrations that will work for this assay, and the above result represents a single experiment. For publishable...

...Addgene lists the primers used to obtain each result above the posted sequence in the "View Sequence" link....sequence than expected and wish to contact Addgene about the accuracy of your plasmid, please email help@...

... lab! Introduction A water bath is a piece of laboratory equipment that helps bring your materials to ...even if you are using disinfectants as described above in step 3. You will also need to maintain the appropriate...

...verification, such as DNA sequencing . In the example above, digestion with enzyme RE1 will linearize the 6200bp...that you get double confirmation. In the example above, digestion with either RE3 or RE4 will give a very...

...research and are found in many different types of laboratories. These tools allow you to observe specimens ... in the future. Conclusion Like any important laboratory instrument, you should be sure to take care of...

...Information about plasmid cloning by restriction enzyme digest (subcloning), including design and experimental...window) New England Biolabs for more information about restriction enzyme buffers). If you select enzymes...