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

What urea buffer can i use for biotagged protein extraction from streptavidin beads?

Hi all, I have been doing research on biotagged LDB1 proteins in Mel cells. I purify the proteins using M280 streptavidin beads. The yield is very low so I've been trying to optimize it by...

24 February 2021 5,749 3 View

Which is the most ecofriendly and effective activated agent for the preparation of activated carbon from sewage sludge?

I am going to prepare activated carbon from the waste activated sludge coming out of WWTP. Can you please help me in understanding, which chemical/physical activating agent will be most...

07 February 2021 9,507 5 View

How could a transcriptional factor purified as inclusion bodies (by using urea) exhibit a ratio 260/280>1?

I am working with a very unstable transcriptional factor. I use DNAse in the lysis buffer and I purify it as inclusion bodies, by using urea and 1M NaCl. After purification, I buffer exchange the...

05 February 2021 2,530 3 View

I'm interested to quantify Urea by HPLC method, reversed phase conditions are preferable. Is there a good method suited for urea?

I have to develop a method that can be good enough to run dozens of samples that include urea as the main compound. I prefer an HPLC method because of the convenience of running large numbers of...

01 February 2021 1,888 4 View

How to change medium of a protein or peptide mixture?

Hi everyone! I am purifying a peptide from a mixture of proteins. The peptide (3 kDA) is in a solution containing a high concentration of urea and imidazole. I would like to be able to change the...

27 January 2021 4,055 4 View

What types of tubes should I use for allantoin assay?

Hi everyone, I am doing an allantoin assay in urine and all the protocols seem pretty vague. I am currently using this website which seems to be the most helpful:...

07 January 2021 8,023 3 View

Why in BET surface area becomes zero but when detag ads des, it shows good value around 150-200? For single crystals is it a good data to publish?

For single crystals can I give BET data in the publication if it is coming around 200. And why it shows zero value surface area but after detag ads or des it shows value, and which one I should...

02 December 2020 7,173 1 View

I would like to ask some questions about concentrations of Urea 3M and 8M in two experiments?

I would like to ask if anyone knows if concentrations of Urea 3M and 8M can interfere with protein purification at Ni-NTA and Glutathione Sepharose 43 resins. Another question, Urea, at 3M and 8M...

17 November 2020 5,014 3 View

Can anyone put up some light on how added urea could be detected from food item(not milk)?

We doubt that some people add urea in fish based food item, any one can suggest some method by which we can detect the uear qualitative and quantitativly.

16 November 2020 6,839 3 View

Is It Possible to Produce Yellowish Graphitic Carbon Nitride Using Urea as a Precusor?

Hello, Recently I have been attempting to synthesize graphitic carbon nitride for the purpose of photocatalytic conversion of carbon dioxide to methane under visible light. The issue I am facing...

12 November 2020 6,854 4 View