Can someone suggest a way to prepare slides to observe under confocal microscope for observing fluorescent tagged proteins??

I am growing the cells on coverslips and transfecting the fluorescent tagged protein directly on them. Then i want to observe these cells under confocal microscope. Currently i am just using...

01 March 2021 6,142 3 View

How or where can I get the crystallographic information file (CIF) for PCN-222 MOF?

I need the simulated XRD pattern of PCN-222 to compare with experimental data. Thanks.

19 February 2021 4,932 3 View

Websites for virtual lab in semiconductors?

Hello everyone, Because of Covid, now all classes are online. Is there good website that also are easy to use to teach student virtual experiments about PN junctions and semiconductors? Thank...

24 December 2020 6,637 2 View

From the EDAX analyses if the material which is coated is not observed in maximum percentage then how can interpret the results?

If we doped metal oxide to semiconducting material in different ratios then the property of the resultant material will be increased.But in some lower ratios when we go through the elemental...

16 December 2020 8,190 2 View

Is there any software for calculating hit bias (HB), missed precipitation (MP), and false precipitation (FP)?

I have a time series of two rainfall products. For error decomposition analysis, I have to calculate HB, MB and FB. Is there any software for calculating these variables.

27 November 2020 980 2 View

Why Schiff bases change colour upon evaporation?

I got bright yellow coloured Schiff base after 6 hour reaction time. So i kept it for slow evaporation. Solvent was methanol. But after complete evaporation my product colour changes from yellow...

17 November 2020 3,824 2 View

How to make the children cool, who feel stressful during this pandemic-lock down without having physical outlet?

The discussion may feed the parents a way to manage and guide the children in a right direction.

12 November 2020 1,302 9 View

How to design qPCR primer for mature microRNA?

09 November 2020 9,163 3 View

Which force field should be used to simulate protein-protein complex in gromacs?

Hi, I have done a protein-protein docking. Now I want to perform MD in gromacs. I am confused with forcefields. When I tried to findout, everywhere it is written for protein-ligand but I couldn't...

29 September 2020 1,410 3 View

Charcoal mediated steroid depletion assay?

Suppose, one is doing enzyme assay of an enzyme of a steroidogenic pathway. Is it necessary to deplete the steroids from the tissue/ cell homogenate before administering substrates to check enzyme...

21 September 2020 7,439 2 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Why might my GFP tag be dissociating from my plasmid after transfection?

I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...

01 March 2021 9,310 4 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 View

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration fors?

Warm greetings My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology (on Human papillomavirus). At this stage, I have almost completed a clinical sample Cervical swabs)...

25 February 2021 1,660 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration forms?

Warm greetings! My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology focusing on Human papillomavirus). At this stage, I have almost completed a clinical sample (Cervical swabs)...

25 February 2021 3,612 3 View