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

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 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

What is the best suitable High Voltage amplifier to excite PZT ceramic C-91 patch (fuji ceramics ltd.)?

I need some information regarding a suggestion for piezo linear amplifier/High voltage amplifier suitable to operate at a peak voltage of 500V/mm for piezo ceramic patches (Rectangular C-91)....

27 November 2019 8,466 8 View

How we encapsulate vitamin-D with chitosan nanoparticles and how much conc. of ethanol we use to dissolve vitamin-D ?

We are trying to encapsulate vitamin-D in chitosan. Kindly suggest me the solubility of vitamin-D in ethanol and the simplest method to encapsulate vitamin-D. Thanks with regards

05 November 2019 9,341 1 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein?

Hi In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein? I got this error in the add-ion stage: Fatal error "./ amber99sb-ildn-HHH.ff / force...

01 March 2021 8,747 4 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View