How to derive equations for a resonant buck converter with ZVS?

I am not understanding how each author is deriving the equations and the working principle. Individual authors are giving their own working principle explanation for different circuit topology....

12 February 2021 496 1 View

How do I refine a specific region of my protein model so that it perfectly superposes with a template peptide PDB with the same sequence?

I have a protein model and want to replace a 12-amino acids-long region within the center of the model with those of a PDB file containing a 12-amino acids long peptide of the same sequence. This...

02 February 2021 779 2 View

How to fix atoms with same coordinate error?

I am getting a fatal error in gromacs while creating a GRO file and ligand topology file under the amber force field. The acype of python providing the error message. Parameter was: Charge =...

29 July 2020 3,347 4 View

Is there any way to output LAMMPS readable data file which can identify similar atoms but in different molecules??

I have been working with a complex system that involves 5 different atoms and 3 different molecules. However 2 of the atoms are present in 2 different molecules i.e O & H. Now when I am...

10 March 2020 4,547 2 View

How can I solve error, getting "dplyr" package for R 3.6.0 ?

15 January 2020 3,150 3 View

What is the best way to test the porosity of a scaffold?

The pore size of my developed bone scaffold ranges within 100-500 microns as observed from SEM analysis. What is the best way out of BET and mercury intrusion porosimetry to test the the pore...

19 August 2019 7,324 2 View

I am looking for a sealing materials which can be used at around 1000 celsius and 50 bar pressure. Are there any ceramic which can be gas tight?

I need to seal peripheral part of tube which operates at 1000 degree celsius and 50 bar pressure. So the seal should be gas tight.

10 June 2019 2,792 2 View

How can i solve the problems getting smeared PCR product??

The PCR reaction worked well before and i got clear sharp band of my desired length. But now the PCR is resulting to smeared product with no band of the desired length. i have newly isolated the...

17 April 2019 2,451 7 View

Is there any library in python for evaluationary algorithm?

evolutionary algorithm

02 April 2019 8,065 16 View

How to Generate/simulate data from R value and regression equation?

Mean and standard deviation are not given. Only regression/ trend line equation and R value are given. How to simulate 100 nos. data from above scenario?

13 June 2018 7,987 4 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

How to remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View