Gel purification of linearized plasmid, gave low yield why?

I am using Qiagen Gel extraction kit for gel purification of linearized plasmid. The procedure is followed as per the kit. if i load 1ug DNA in agarose gel, i am getting 600ng DNA or less after...

16 October 2020 6,667 4 View

Dear researchers, In RE digestion with Nco I i am getting smearing. Can any one please advice?

well1- 2 log ladder well2- uncut plasmid(3.2kb) well3- cut wit NcoI well4-cut wit NcoI tried with less time of incubation, low amount of enzyme doesnot work

10 September 2020 6,711 3 View

How to find the list of journals with "Your Paper Your Way"?

03 May 2020 2,492 5 View

What is the best method for Ponceau S preparation?

2g Ponceau-s, 30g TCA, 30g Sulfosalicylic acid or 0.1% Ponceau in 1% v/v acetic acid? How long should it take to visualize the bands?

19 July 2012 1,146 3 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

Anyone that can help with details in phosphopeptides enrichment?

Anyone know the amount of protein before enzymatic digestion for phosphopeptides enrichment of serume sample in Ti-IMAC? Has anyone ever use Ti-IMAC(the material is from Chinese company named...

28 February 2021 7,310 3 View

Does anyone use antinuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples?

I am looking for anti-nuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples. Any suggestions highly appreciated. Thank you.

28 February 2021 6,512 3 View

Why does intensity drops as concentration increases?

Is there any reason for decrease in fluorescence emission intensity of HSA,BSA when increase the concentration ?

28 February 2021 3,653 4 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

How long do vaccines protect us against COVID 19?

Or will we have to get vaccinated every year, as in the case of influenza?

27 February 2021 1,048 5 View

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View