...technologies developed for optogenetics research utilize light to detect, measure, and control molecular...

...sure to ‘blank’ the spectrophotometer using the solution the DNA is resuspended in, but with no DNA added...despite the accuracy of the NanoDrop, if two consecutive samples have significantly different concentrations...and consistent readings from DNA in a buffered solution. Reference Page Top Index...

...gently mix. Notes: Make the 50% glycerol solution by diluting 100% glycerol in dH20. Snap top tubes are...5-6 times). Make sure that you see one uniform solution, and there are no layers present. Be sure to label...

...do you get better resolution of bands? A couple simple ways to increase the resolution (crispness) of your...agarose gel, including tips to help improve the resolution and separation of bands. Protocols...

...using helper-free packaging cell lines This method utilizes a packaging cell line that stably expresses Gag-Pol...

...includes all of the precautions needed in BSL-1, along with additional precautions to prevent injuries...use 70% ethanol, quaternary ammonium, or bleach solutions. Ask your lab supervisor what is available and...

...image and the resolution your microscope can achieve. You achieve the highest resolution when your image...magnification (the ability to make an image larger) and resolution (the ability to distinguish between two discrete...

...the bottom before placing it in the PCR machine. Diluting Primers Most people order primers from a company...concentration of each primer (10uM) by making a 1:10 dilution of the stock. For example, add 100µl of primer...cations such as Mg 2+ and Mn 2+ stabilize the buffer solution. These cations can also be used for PCR-mediated...

...with water. You may use a 10% bleach solution or a 70% ethanol solution to wipe down the inside of the water...

...around the center (see image to right). Even distribution ensures that the centrifuge is balanced. Using...given as Relative Centrifugal Force (RCF) or Revolutions Per Minute (RPM), these are not the same units...

...bind to a protein is powerful, but in order to utilize it in the lab, researchers must be able to detect...

...polyacrylamide gel electrophoresis alongside serial dilutions of a standard antibody of known concentration....labs use unpurified tissue culture supernatant routinely without any issues. Plot the mg/mL versus the ...

...1 Reagent A to Reagent B dilution of the BCA assay. Prepare serial dilutions of the BSA standard that ...

...standard labeling system for all your objects/solutions. Sterilize your lab bench by spraying it down ...

...concentration (100 mg/mL, 1000x) carbenicillin stock solution in sterile water (or other antibiotic) E. coli...

...Isolating a Monoclonal Cell Population by Limiting Dilution Generate monoclonal cell lines from a polyclonal...

...more colonies if you use 1 μl of a 1:5 or 1:10 dilution rather than 1 μl directly....