Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

How to Make a Pre-Emulsion of Methacrylic acid, Butyl Acrylate, and Acrylonitrile to use in emulsion polymerization ?

Any answer will be useful / Surfactants / Procedure I am using this pre-emulsion in sequential emulsion polymerization

14 January 2021 2,566 4 View

Why gel electrophoresis is taking too much time to run ?

I am working with TBE buffer and prepared 1% agarose gel. Previously it was taking around one hour to run but now two and half hours. I have increased the voltage from 90 to 110 but this also helped.

08 December 2020 7,416 5 View

What are the recent research topics in field of Soft Robotics based on AI and ML?

I am working in the field of practical robotics since last five years and got acquainted with AI and ML recently. I know Python and learning AI and ML using python from different sources. I want...

24 October 2020 793 6 View

Can Solar Energy take part in fighting against COVID-19?

Can "Solar-UV-cellular-damage" be an effective method to disinfect water bodies against COVID-19 in countries with a hot climate?

10 May 2020 2,556 12 View

While performing energy minimization step in GROMACS I am getteing following error. Can anyone help with this minimization problem?

gmx mdrun -v -deffnm em Back Off! I just backed up em.log to ./em.log. Running on 1 node with total 8 cores, 16 logical cores Hardware detected: CPU info: Vendor: GenuineIntel Brand:...

11 March 2020 2,902 1 View

What is iodine number in terms of activated carbon? What are the effect of iodine number on activate carbon porosity ?

11 March 2020 5,239 3 View

How to apply deep learning for estimation of various parameters in single carrier system?

Parameters like carrier frequency, symbol timing offset and symbol rate estimation in a single carrier system.

23 February 2020 2,980 4 View

How to convert Netcdf file to ASCII data file?

I want to convert NetCDF file containing MODIS LAI data into ASCII file but not getting enough help from google search. if anybody is familiar with this, please give some inputs.. I am using R and...

18 February 2020 6,100 5 View

HI, Can I engineer any immortal human T cell line with the murine TCR of Ovalbumin ? Just like OT1 mice T cell have the same receptor ?

I am planning to develop a Human T cell line having the potential to kill OVA expressing tumor lines. Mostly we have to take out Tcells from OT1 mice which is expensive in overall cost. If I...

25 December 2019 3,417 2 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

Is the a way to contol flow (Flow velocity) without impacting pressure value?

I have a pipe with 10 mm in Diameter and 2 bar pressure, the fluid velocity is 200 m/s, the fluid is air. is there a way to reduce velocity without affecting the pressure value?

25 February 2021 7,187 3 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View