How do you modify a GROMACS topology file to incorporate a glycan which has been parameterized separately?

I am following Zhang (2015) Understanding the impact of Fc glycosylation on its conformational changes by molecular dynamics simulations and bioinformatics https://bit.ly/2Hi6TYT . I have...

03 April 2018 360 2 View

What are the harshest conditions (pH, temperature, salt) a bacteriophage can withstand (i.e. survive and retain ability to infect)?

I seem to have selected phage that have lost the ability to infect bacteria. The best case scenario is these phage are bound so tightly to my target (which is ~50 kDa) that they have lost the...

09 October 2017 1,786 1 View

No title

The Wikipedia page on zinc fingers states that such domains exist; salt bridges reportedly take the place of zinc. However, there is no citation! The only example of a natural zinc-stabilized DNA...

06 July 2016 6,210 1 View

What are some general guidelines for nonspecific DNA sequences adjacent to transcription factor (zinc finger) binding sites?

I am going to be designing DNA oligos for zinc finger sites and I need to avoid edge effects. Are there general principles for the composition of nonspecific flanking sites? I've seen some groups...

07 August 2014 1,872 3 View

Heparin LC column memory: use of detergent to get complete elution?

I am trying to develop a heparin affinity column method using a 100mM to 1M NaCl step elution. My protein of interest actually elutes at a 0.5M NaCl step, but though it elutes in a nice, sharp...

08 September 2012 4,057 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

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

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

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

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

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

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

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 3 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 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