How to convert HIV Copies/mL to IU/mL ?

I am developing HIV Viral Load Detection Assay, in that my Quantitative Standards are in Copies/mL, but I want to convert it to International Unit (IU)/mL as WHO recommendation to give results in...

08 September 2019 2,928 4 View

Problem in HIV RT PCR, every samples and water also coming positive at same time. Can anyone suggest what is the problem.?

I am using primer & Probe concentration 10 uM and using 0.5 uL in 25 uL reaction PCR setup. I have used so many different water but each water coming positive. Its might be primer dimer but...

01 February 2019 4,049 11 View

Which stabilizer we can used to stabilized RT PCR Master Mix?

I have developed RT PCR mastermix , now its required to add stabilizer in it? if yes which stabilizer we can use at which concentration.

11 December 2018 4,533 10 View

Which are the suitable gene target for DNA Extraction Internal control for RT PCR of DNA Virus?

We want Internal Control for DNA RT PCR, which should be act as a DNA extraction control.

05 June 2018 3,586 4 View

What is the best way to design DNA/RNA Extraction control for RT PCR testing?

I want to know the artificial gene or strain which can be use as a DNA/RNA extraction control, and will lead you to RT PCR testing for any viral DNA or RNA.

03 April 2018 5,148 4 View

I am not getting Perfect Sigmoidal curve in RT PCR. Can any one suggest the Possible reasons?

Please suggest possible modifications in experiments.

10 November 2017 221 6 View

Can any one know stabilizer for PCR Master Mix?

I want to stabilize the RT PCR Master Mix at Room Temperature . Please suggest if any one having same experience or some stabilizer i can try.

09 October 2017 4,404 3 View

What is the best way to detect MicroRNA , Sybr Green or Taqman?

10 November 2015 821 8 View

What blocking buffers can I use for a Lateral Flow Immunoassay?

What blocking buffers can I use for a Lateral Flow Immunoassay? (NCM Blocking, after spraying)

06 July 2015 6,638 2 View

Problem in R for generating Heatmap.

i am getting following error in R while generating heatmap. Error in .External.graphics(C_layout, num.rows, num.cols, mat, as.integer(num.figures), : invalid graphics state Please Guide me.

01 February 2015 7,641 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

How do I increase the yield of my PCR product?

Hello, We would like to increase the yield of our PCR product. We are running a series of PCR reactions that is targeting ~1.1kb sequence. We begin each reaction with ~400pg of template DNA...

02 March 2021 4,029 3 View

PACYC PCR not working after several attempts. Would anyone have any suggestions?

So, I have been trying to run a pACYC PCR which will be used later on for a Gibson Assembly. However the PCR is not working. I have already tried gradient PCR and changing extension time; however...

02 March 2021 1,146 2 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 3 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

Runs of nucleotides in Sanger sequencing?

I performed site directed mutagenesis, transformation, and then I sent out plasmids for Sanger sequencing and found out that there is extension of DNA just before the stop codon. I am not sure...

27 February 2021 547 3 View

Can thermal cycler machines be problematic during PCR?

Hi, my question is about the heating of thermal cycler machines and I hope some of you had experienced a similar thing previously. There are two thermal cycler machines in the lab(BioRad) and for...

26 February 2021 4,777 4 View

Calculating volume of DNA required from DNA concentration?

Hi I am a bit confused. They are asking me to find out the volume of DNA required in ul (a total of 30-100 ng for genomic DNA) from the DNA concentration in the nanodrop reading which was 404.8...

26 February 2021 5,029 2 View

Has anyone used the Illumina ITS1 primer sets?

Hi everyone, Illumina provides a list of primers to amplify with high taxonomic coverage the ITS1 region for further fungal sequencing, but I cannot find the exact amount necessary of each...

25 February 2021 6,969 3 View