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

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

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

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 View

RNA degraded after good nanodrop readings?

23 February 2021 8,850 2 View

Questio regarding micro/nano particles fabrication ?

I will start to fabricate micro/nanoparticles for growth factor release and I check out a procedure quite nice, however, it is lacking some details and since I don't have much knowledge doing this...

20 February 2021 199 2 View

Mixture neutralization after Boc deprotection ?

I am performing a Boc-deprotection with HCl in organic solvent (dioxane or Ethylacetate) but would like to isolate the free amine. Several problems: - Neutralizing with inorganic base as NEt3...

18 February 2021 3,366 3 View

Onset of Photo Oxidation in Polymers?

Hi! I am looking for some specific information in regards to the minimum amount of UV intensity required to begin the photo degradation process in polymers. I understand each polymer is...

15 February 2021 7,703 4 View

Would using an asRNA for repressing transcription of a high expression Listeria monocytogenes non-coding RNA harbored in a plasmid be a viable option?

Hello all, I am interested in deleting a highly expressed non-coding RNA located on a Listeria monocytogenes plasmid. Currently, there are not any optimized gene deletion methods for Listeria...

09 February 2021 4,994 1 View

What could be the possible causes of DNA degradation after extraction from 4% gel?

Hi everyone, During small RNA library preparation, I run the samples in 4% agerose gel to select the band corresponding to my target. I established beforehand the protocol and it works fine....

02 February 2021 5,008 2 View