Alternatives to traditional cloning of insert into backbone (dsDNA)?

Hi, I am stuck with a cloning experiment: The insert & backbone(bb) share one compatible end at 3' end(NotI) and one incompatible end at 5' end (XbaI for insert; HindIII for backbone). So i...

16 February 2021 1,664 3 View

How structure of monomers in molecular imprinted polymers influence their selectivity?

Hello, I'm biologist and currently working on MIP. I wanted to know is there any literature that mention the influence of monomer structure (for example size of molecule) on MIP selectivity and...

27 October 2020 1,571 6 View

What mask can be used for ultra-deep KOH etching on 110 Si?

Hello everyone! I need to etch Si to the depth of 1mm approximately, not affecting the surface of the sample (which is atomically flat and must be kept as it is, so we can't anneal the sample)....

16 August 2020 9,727 1 View

Are there any papers where advantages and disadvantages of different drug delivery systems are observed?

I'm writing PhD thesis and need to compare different drug delivery systems applied to SOD delivery.

22 July 2020 7,210 2 View

Which molecular structures are stained by trypan blue and ink-vinegar for visualization of mycorrhiza?

What do these substances stain exactly?

20 June 2020 8,653 1 View

How to calculate the band structure for a two-dimensional triangular lattice?

You can provide links with calculation and clear examples of the methods used. I would also like to understand how to take into account a specific potential. How to determine the forbidden zone...

09 June 2020 9,728 2 View

Can anyone advice empirical papers on ideas and their impact on institutional change?

Does anyone know any good papers on the impact of the political elite's ideas on institutional transformations in terms of comparative politics? It will be really great if there are both...

27 February 2020 3,665 3 View

Could someone recommend a journal similar to Biodiversity Data Journal?

I'd like to publish some ideas about taxonomical database. This is possible to do in Biodiversity Data Journal or PeerJ, but I need to pay for an article. Does anybody know similar journals...

23 February 2020 6,876 3 View

Is "green energy" really "green"?

Is "green energy" really "green"? Is Green Energy Really Eco-Friendly? Isn't solar panel manufacturing too dirty? Is it not too damaging to put wind turbines in farmland? Don't we pay too much...

24 January 2020 4,067 14 View

Is it possible to purify the protein using Ammonium Sulfate precipitation only?

Dear All, I am about to start purification of many variants of not tagged recombinant protein expressed in E.coli. I need it to be at least 70% pure. Column purification would be very time...

09 January 2020 7,116 4 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

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

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 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

Has anyone had luck using cell lines other than HEK 293 (such as COS1) to package lentivirus?

I am looking to package lentivirus in endothelial cells but I am opposed to using 293 cells due to personal ethics regarding the source. I have done some reading and saw that COS1, COS7, & CHO...

25 February 2021 3,030 1 View

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View

How do I transfect a large plasmid into PC12 cells with nerve growth factor (NGF) receptor?

I have a large 16 kb plasmid, which I need to transfect into PC12 cells. Lipofectamin 2000 didn't work and with GFP alone the transfection rate is very low. I also tried the neon invitrogen...

25 February 2021 6,635 5 View

What is a good reagent for lentiviral plasmid transfection in HeLa cells?

I have been using Lipofectamine 2000 but was hoping there may be a better protocol or one for something like Lipofectamine PLUS reagent.

24 February 2021 1,633 4 View

Is it possible that Cancer cells could survive in heparinized blood for 48 hours?

Hi everyone, I am just wondering if we incubated 200 microliter of whole blood with 50 microliter of cancer cells(1bout 5000cells) do you think that cancer would survive for 48 hours?

23 February 2021 3,840 3 View