can anyone suggest me how to remove lacZ promoter from puc18 inorder to clone any other promoter over there and to study the expression of lacZ under new promoter influence??
I want to know about the calculation of osmolality of phosphate buffer pH 7.0. Similarly, Osmolality of 450 mM sucrose and lactose. As they are non-dissociated compounds, should they refer to 450...
04 May 2016 2,388 2 View
02 March 2015 7,075 7 View
I want to summarize the data of whole transcriptome sequencing of bacteria according to their classes like oxidoreductases, membrane proteins, genes linked to fatty acid synthesis etc. Is there...
07 August 2014 5,681 4 View
I need 5 keto fructose as standard in HPLC. I tried different companies but not successful to buy it. Can anyone send me some link from where I can buy it easily.
05 June 2014 3,042 2 View
I have PEG in bacterial culture as osmoticum. I find the difference of half in term of O.D of stress versus control culture. On dry mass, there was difference of 10-15mg/100ml culture. Substrate...
04 May 2014 8,199 5 View
I want to calculate osmolarity of 10%PEG in media (yeast extract 0,6%, Mannitol 2%). I want to make a hypotonic buffer to get compatible solutes from bacterial pellet by milking. I need mosm/l of...
04 May 2014 5,914 3 View
I have a plasmid with a strong promoter and a gene with a signal peptide. It works perfectly so far for expression. Now I want to clone one more gene in the same plasmid under the same promoter...
04 May 2014 7,922 3 View
I am working on osmotic stress in a member of family alpha-proteobacteriaceae. My organism keeps doubling time constant but there is a visible effect on end O.D. I used 10% PEG as osmotic stress...
02 March 2014 4,598 2 View
What is the benefit of index files and .bam files? How can we get the information from contig reads. What does coverage stands for and how is ti calculated?
10 November 2013 6,861 1 View
i want to dock copper on my protein, which has metal binding site. can you please guide me step wise, how to perform this??
04 May 2011 6,070 15 View
How to calculate the RMSD values for a MD simulation using MOE?
07 August 2021 0 0 View
When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.
16 June 2021 0 0 View
Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...
03 March 2021 5,978 5 View
Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...
02 March 2021 4,569 4 View
Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...
02 March 2021 3,024 2 View
I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...
01 March 2021 8,544 1 View