The PC12 cell line characteristics?

Hello dear scientists, Does the undifferentiated PC12 cell line in terms of chromosome characteristics, proliferation, and drug reactions have the characteristics of cancer cells? Where is it...

21 February 2021 8,945 3 View

How can i figure out whether nanoparticles in my synthesis crosslinked or not?

i prepare protein nanoparticles. in one of my synthesis i use trifle amount of crosslinker and the nanoparticles stick in the bottom of plate. how can i understand that nanoparticles become...

03 December 2020 559 8 View

How to examine the substitution of ligands bound to protein during the MD simulation?

I have simulated a complex ( A protein docked with two ligands), and the ligands are bind to two different protein sites. Still, from the start of the simulation, ligands are positioned in other...

27 November 2020 7,848 4 View

How to change the atom numbers of a residue in a pdb file?

I am trying to dock 2 proteins in HADDOCK server, but it repeatedly shows the following Error for the second pdb file: " Error in PDB file. Your PDB contains multiple residues with number 1 in...

25 November 2020 4,753 1 View

Is it possible that formazan Crystal formation took more than four hours ?

Hello dear scientists: When I treated the Pc12 cell line with H2O2, after 2h the cells seemed to be dead. I didn't observe crystals, so I didn't add DMSO and left it with mtt in the...

20 October 2020 1,106 3 View

How can i detecte the fluorescence and non-fluorescence complex?

hello kind regards I study the structure and activity of the digestive enzymes. The enzyme I studied contains 5 amino acids tryptophan. In one of the studies, I study the effects of a food dye on...

04 October 2020 8,563 3 View

How to increase the number of nanoparticles in fe-sem?

I produce a protein nanoparticle complex,but in fe-sem, I see a few number of nanoparticles,maybe 2 or 3 ,however the color of suspension solution is quite milky and this is a sign of...

29 August 2020 8,812 5 View

Why would a negative control have apoptosis in the Annexin V-PI Flow Cytometry?

06 August 2020 3,627 22 View

How can we induce gastroesophageal reflux disease in rats?

Gastroesophageal reflux disease (GERD) occurs when stomach acid frequently flows back into the tube connecting your mouth and stomach (esophagus). This backwash (acid reflux) can irritate the...

14 June 2020 145 8 View

Some questions about suspension cells MTT assay protocol?

Hello, dear scientists Can I seed cells with treating doses of the drug, and after that, add mtt reagent without removing media? If I don't remove drug solution before adding mtt reagent, is it...

20 February 2020 7,375 7 View

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 View

How can I edit suggested publications?

Hi there! I regularly receive suggestion about papers and authors that are totally out of my area. Does anybody know how I can fix this? Thank you!

01 March 2021 9,574 4 View

Interested to stain mice tissue with WGA 488 conjugate, anybody has a protocol to recommend?

Interested to stain mice brain tissue with WGA 488 conjugate, appreciate if anyone willing to offer me some guidance or suggestions! Thank you!

28 February 2021 3,951 2 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

B-mercaptoethanol (BME) protocol?

Hi everybody, I have been running a multiplex IHC which allow me to stain the same tissue with different markers (Primary Ab + Secondary conjugated Ab) (AF487, AF555, AF647). Since I would like to...

27 February 2021 5,028 2 View

Why do my MCFs not form monolayer?

Hello, I am looking for some expertise on culturing MCF7s. I purchased them from ATCC and I have been following all media and culture conditions. Media is EMEM with 10% FBS and 10ug/mL of...

27 February 2021 3,904 2 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

Why my agarose gel staining sometimes looks not homogenic but like gradient (see the figure)?

I am worried about this overexposure of the upper part of the gel in the picture. Is it possible that this is the result of too much concentration of ethidium bromide? Why is there such a big...

25 February 2021 8,140 3 View