What is the right way to conjugate two acids?

How to conjugate two acids with amine linker?

18 February 2021 4,083 2 View

Solid Phase Extraction of drug product containing nanoparticles ?

Hi Everyone, I am trying to develop an SPE method for the vaccine which contains Matrix-M (saponin Quillaja Saponaria ) which is in nano-particle form and size is around 40nm. These nanoparticles...

16 February 2021 1,389 2 View

Grid connected inverter using virtual synchronous machine?

Hi everybody, currently, I am working on the grid-connected inverter. I want to make my grid-connected PV system a PLL-less system. I have studied some reachers are implementing a virtual...

07 February 2021 6,078 2 View

Which satellite image gives best results for Land Use land cover classification(specifically for built up regions) for Indian region ?

Landsat, sentinel and USGS satellite images have varying accuracy for identification of urban built up dynamics ? Which one is best suited for India

04 February 2021 8,632 8 View

Which solvent is suitable for product precipitation if reaction has been performed in toluene?

If condensation reaction happened between carboxylic acid and amine and amide is formed. The solvent for this reaction is toluene. After completion of reaction, how to collect product? It should...

03 February 2021 9,796 3 View

How to form a shell around a nanostructure core in solution phase synthesis?

Hey, I want to know if I have fabricated some nanostructure and further I want to make a shell on the nanostructure by solution phase method by making it core-shell nanostructure. So, anybody can...

01 February 2021 9,966 4 View

No signal/bands observed on western blot for ERK signaling?

My question is regarding a western blot experiment that I am performing to observe pERK signaling by stimulation with VEGF ligand (VEGF165 and VEGF121) on MDAMB231 cells and SW620 cells (both...

30 January 2021 1,039 3 View

Is there any low-cost filtering system (or other tech.)to lower the salt conc. (salinity) of surface/groundwater for large scale agricultural system??

The available water (surface and groundwater) is highly saline (6-20 dS/m). It is required to produce crop (moderately saline tolerant, up to 6 dS/m). Is there any low-cost filtering system (or...

18 January 2021 5,015 3 View

What will be the life of siRNA (liquid form) at -20 degree, if kept unopened?

Hi all, I just want to know that, if we keep the siRNA in a -20 degree freezer (as mentioned in the product detail), what will be the average life of the siRNA? Can we store for more than one...

10 January 2021 6,346 6 View

Can we compare regression results (models) for different groups?

Dear Research Gate Members, I have a query regarding comparing the two groups on the basis of the regression models For Instance: I have two sector companies i.e. Public Sector and Private...

09 January 2021 9,645 8 View

How to obtain V2O5?

Hi everyone! I`ve question about vanadium pentoxide. Exactly about precursors for the synthesis, about conditions. For example I need to obtain V2O5 powder, should I firstly obtain NH4VO3, or I...

11 January 2021 1,382 4 View

Can we mix elemental powders of 325 mesh using an agate mortar and pestle?

Elemental Powders like Titanium, vanadium, tungsten, zirconium, hafnium.

04 January 2021 7,357 1 View

No title

28 April 2020 8,048 3 View

I have an anomaly peak on the graph current against time for the vanadiume elektrolite, wath is it?

Hello. Help me please. We have done a first charge of the vanadium electrolyte, we has a vanadium 4+ in 2.5 M H2SO4 and 6M HCl as catholyte and anolite. We charged catholyte for the 5+ and anolyte...

14 April 2020 7,399 2 View

Could anyone share XRD Pattern for VO2?

I have given my vanadium oxide sample for X-Ray diffraction, I'm hoping to get the results soon. Could anyone share me the relevant XRD pattern for Vanadium Oxide (VO2) which I could use as a...

08 February 2020 472 7 View

Could anyone share XRD Pattern for VO2?

I have given my vanadium oxide sample for X-Ray diffraction, I'm hoping to get the results soon. Could anyone share me the relevant XRD pattern for Vanadium Oxide (VO2) which I could use as a...

01 February 2020 7,766 7 View

I could not synthesize VO2 nanoparticles, why?

I added V2O5 as precursor for vanadium 0.5g in 30ml of DI water. I added 0.5g of oxalic acid anhydrous in 10ml of DI water, which functions as a reducing agent. I added the reducing adent to the...

09 October 2019 7,362 4 View

Stark Broadening parameters of singaly ionized elements like Iron, Calcium, Vanadium is difficult to find. any easy way to find ?

i am working on CF-LIBS, the stark broadening parameters are necessary for the calculation of electron number density and also for the elemental concentration. please suggest some suitable website...

07 August 2019 2,378 1 View

What complexes can vanadyl (VO2+) ion form with citric acid?

I have leached V-bearing waste, where V was in the form of V2O5 salts, with citric acid. The solution has blue color, indicating the presence of VO2+ ion (also confirmed by matching appropriate...

06 July 2019 5,859 5 View

Is there any authomatic devise or method to measure a resistance from temperature dependence in semiconductors (VO2)?

For now, the method we use to measure resistance from temperature dependence in vanadium dioxide (VO2) is really slow: you need to look at oscilloscope and thermometer and write down the numbers...

28 June 2019 4,107 3 View