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I like to preserve some bacteria culture using stab culture technique but I like to know if I need to add more sodium chloride to my normal LB broth which contains 5g/L of sodium chloride
08 September 2016 5,052 4 View
I need to know the anticoagulant that will not impede PCR.
31 December 2013 9,707 0 View
I need to collect blood sample from HIV patients to screen for torque teno virus and I'm in doubt if using a protein saver card to get the samples will be appropriate as I will need to get out of...
31 December 2013 2,771 0 View
I ligated a DNA size of 3.8kb into topo TA vector. I expected a band size of about 7.7kb from my agarose gel electrophoresis after plasmid purification but got a band size of about 5kb. Pls what...
01 January 1970 6,393 5 View
Is it possible to induce site-directed substitution mutation by quick-change method on linear dsDNA? or it has to be cloned in some vector? If yes, should it be treated with the Dpn1 enzyme...
03 March 2021 401 4 View
Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...
28 February 2021 4,868 2 View
For example, I have this phonon dispersion(Fig. 1), and now I would like get vector of atoms which describes TA1 in P. I know v_sim can show vibrational animation of specific mode, but I do not...
20 February 2021 4,332 4 View
1. A bcc metal single crystal was sliced along (1 -1 0) plane for TEM study. Assuming that the TEM available is equipped with a goniometer stage which tilts up to 45o. The Burgers vector of...
20 February 2021 2,370 1 View
i have a vector 1*512 size, i want to take the first value every 8 elements and put these elements at the end of the vector,how to do this on matlab ?
19 February 2021 2,352 5 View
Hello, I am planning to insert GOI between CaMV 35 promoter and mGFP in pCambia1302 to produce a fusion protein and see subcellular localization of the protein. But the vector says it's membrane...
15 February 2021 4,353 3 View
Hi Fellow Scientists! I am trying to clone my 300 bp insert into a 6 kb vector. I run a few different ligation reactions using (1:3 vector: insert molar ratios) 10, 20,30, and 40 ng/ul vector...
15 February 2021 9,563 6 View
Are E.coli strains M15 and pET28a vector systems compatible? Can I over-express my protein which is of plant origin. Previously I was using BL21 DE3 strains. Was confused to use M15 strains for...
10 February 2021 2,564 3 View
When co-transfect S2 cell with selection vector (pCoHygro or pCoBlast ) to make a stable cell line, does the gene integrate into the genome or just like E.coli? How do the plasmids amplify within...
09 February 2021 5,423 1 View
I have tried to clone a specific gene into pCAMBIA1304 vector. But all the attempts failed. I used ligation kit from both Promega Corporation and Takara Bio. However, there was one time I used...
04 February 2021 525 1 View
