How to get rid of polysaccharides during RNA extraction?

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My cell line U87MG is getting detached after splitting, what could be the reason?

Few weeks back there was fungal infection in some of my petri dishes. So, I thoroughly cleaned the incubator using bleach and rectified alcohol, revived fresh stocks, prepared everything fresh and...

07 August 2015 2,580 17 View

How do we calculate scale for microscopic images and how do we add a scale bar to it?

I need to put scale bar in my microscopic images at 100x, 40x, 20x and 10x

04 May 2015 9,390 1 View

Can anyone help me please in calculating the IC50 dose of the drug using the Graph Prism software?

I have followed the tutorial still it is not helpful! please help

02 March 2015 6,915 2 View

Can we perform micronucleus assay without using cytochalasin B?

Since it is a very hazardous chemical I do not want to use it and also it is expensive too.

06 July 2014 1,282 17 View

please anyone give me a good and sensitive protocol for DNA fragmentation to check apoptosis in cancer cell lines

I am not able to repeat results with the previous protocol

04 May 2014 2,341 5 View

Can we perform flow cytometry on -80 frozen samples?

We collected the plants 2 months back and stored them in -80

03 April 2014 9,013 5 View

Under which filter should I view acridine orange and Etbr staining for checking cell viability of cancer cells?

I just want to know the cells should be viewed under which filter.

03 April 2014 576 2 View

I require caspase antibodies, can anyone help?

I require the caspases for western blotting.

02 March 2014 9,439 4 View

Can anyone suggest me a good lab in New Delhi, India where I can perform western blotting and flow cytometry of cancer cells after drug treatment?

I am really frustrated as I cannot perform it in my lab.

01 February 2014 2,089 2 View

How to design primers for EST-SSR Markers?

For differentiating between male and female species of a plant.

01 February 2014 7,055 5 View

Can linear DNA be used as template for site-directed mutagenesis?

Is it possible to induce site-directed substitution mutation by quick-change method on linear dsDNA? or it has to be cloned in some vector? If yes, should it be treated with the Dpn1 enzyme...

03 March 2021 401 4 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

Does anyone have a recommendation for yeast reporter gene plasmid/protocol?

Hi, could anyone recommend a plasmid and/or protocol for reporter gene assay in S. cerevisiae? I want to assess the effect of growth conditions on a transcription factor, so I want to clone it`s...

01 March 2021 210 1 View

Why might my GFP tag be dissociating from my plasmid after transfection?

I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...

01 March 2021 9,310 4 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Expression cloning by using cDNA,do I need to modify the cDNA first?

I am going to have a expression cloning of mammalian gene by using shuttle plasmid to transforming the E.coli However I don't know I should only inserting the Coding sequence ,or I can...

28 February 2021 5,440 3 View

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 View

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View