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- General Lab Techniques
- Western Blotting
- RNA Methods
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- Transcription, epigenetic, epigenomic techniques
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- Bioinformatics and Biostatistics
- Protein Methods
- FACS Analysis
PCR contaminations are like ghosts... you know they are there but you dont know WHERE?? I have followed the following with good results... Prepare your master mix in a separate room from your current location, somewhere PCR is not the main practice....
Hello everyone I'm new here and I was wondering if I could get some assistance. In my research of the literature I thought the differences between the two methods were based on the proximity of the primers to the CpG sites and that BSP primers...
I am sure that this debate has been covered before, but I just wanted to share my own personal experiences with it. I am working with a TF and fairly recently switched to MNase. I initially tried MNase digestion out of pure curiousity, but I have to sa...
ChIP - Foaming in sonication and other woes - <small> (Jan/27/2005 )</small>Hi all! I was wondering if anyone out there has got any trick to avoid foaming during sonication in the SDS lysis buffer for ChIP assays. Supossedly, placi...
jennycharlies Posted 18 August 2011 - 06:55 AM Hi, I am going to seed my cells onto coverslips inside the wells of a 12 well plate and was wondering what is the best way to coat the coverslips? I have 18mm coverslips and need to coat with poly-D-...
The relationship between revolutions per minute (RPM) and relative centrifugal force (xg) is: g = (1.118 × 10-5) R S2 where g is the relative centrifugal force, R is the radius of the rotor in centimeters, and S is the speed of the centrifuge in revolu...
i am currently working a gene in leukemia. The mutant allele has been sequenced to contain 527 base pair. when i run an agarose gel to confirm, it did appear in the position approximately equal to 527 base pair according to the DNA ladder. HOWEVER, whe...
Today was a very bad day at the university... beside that some students answered in the quiz question that if you get blue color in Gram staining that means your bacteria is Gram negative :huh: I noticed most of the students including myself had troub...
Hi Susan, I would second what tea-test has pointed out. Any tissue you process is going to be loaded with RNases (cells contain RNases). Any residual RNase present on your homogenizer is going to be very minor compared to what is already present in...
There are some issues that researchers might meet in the process of using ELISA Kits:
1. Positive results in negative control
2. High background across entire plate
3. Low absorbance values
4. High absorbance values for samples and/or positive control - absorbance does not go down as the sample is diluted down the plate
5. Inconsistent absorbance across the plate
6. Color develops slowly