How can i separate functional and nonfunctional enzyme or proteins for produce a pure and functional enzyme or protein?

03 April 2019 332 3 View

Time of the GC or TA Melting Temperature?

how we can calculate Melting Temperature time for GC and TA and a primer ? I want time of this process for each GC and AT and our primers .

03 April 2019 3,571 2 View

Which books or videos or studeis for syntetich biology?

I am very interested in the field of synthetic biology and I intend to begin studies on this subject. But I cant find the right way, How do I do my research that does not eliminate my...

03 April 2019 7,972 1 View

What is the best way to maintain a plasmid structure without any nucleotide changes?

After each replication of the plasmid in bacteria, it undergoes nucleotide changes. What is the best way to maintain a plasmid structure without any nucleotide changes ?

03 April 2019 1,619 4 View

What is the best lyophilization method in lab with low cost ?

I want lyophilized master mix with enzyme. what is the best lyophilization method in lab with low cost ?

02 March 2019 9,467 2 View

What is the best way storing master mixes for months ?

The problem with freezing our mastermixs with the enzyme is that freezing certain active enzymes such as the polymerase family of enzymes tends to result in diminished or ablated enzyme...

02 March 2019 5,207 4 View

What is the best protocols for blastomere Dissociation ?

we tried dissociate blastomere of mice by trypsin but after several protocols I lost my blastomeres and I didnt find them . how can I dissociation blastomeres and generate sin gle cells without...

11 December 2018 5,534 0 View

After replication of RNA virus in host how virus detect RNA genome from host's RNA?

after replication of RNA viruses in the cytoplasm of the host, both of genome RNA and host RNA are existing in the cytoplasm but for packing of the virus , it should detect its RNA genome. How is...

02 March 2018 5,715 4 View

What is the difference between ESCs and ESCs cell line?

What is the difference between ESCs and ESCs cell line? Is there any difference in expression of genes and differentiation and survival? What is the point to be titled?

01 February 2018 7,052 0 View

Are there Any RdRp( Rna dependent Rna polymerase) with repair ability and without mutagenesis ?

Are there Any RdRp( Rna dependent Rna polymerase) with repair ability and without mutagenesis ? RdRp related to negative sense RNA viruses

31 December 2017 5,884 4 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 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

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 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

Which fluorescent dye to use for measuring total ROS production?

Is DCFDA appropriate for measuring total ROS production, or can it only detect certain types of ROS? If I want to measure total ROS production, which dye should I use?

01 March 2021 9,447 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

No title

Does anyone have the experience of using Taq Man probes in the QIAGEN Rotar- Gene qPCR machine?

01 March 2021 5,311 1 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

Is there anyone who experienced with cytotoxic effect of Hoescht 33342 dye?

Is Hoechst toxic to cells? In general, it is known as non-toxic. I am working with dsRED MDA-MB-231 cell line. I applied it for my PDMS-based microfluidic platform, for this reason, I incubated...

26 February 2021 9,119 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