What are the procedures for environment friendly and effective methods to prepare silicon QDs, Si nanotubes and silicene (2D materials)?

There are different nanostructures of silicon like nanotubes, QDs and silicene. I need to know what are the 'green' or other effective methods for preparing them..please share the procedures of...

10 January 2021 3,418 1 View

What are the methods to eliminate or minimize total dissolve solids in industrial effluent ?

technology relevant methods or processes

02 January 2021 6,632 2 View

Does the adsorbed water or gases affect the CHNS analysis of high surface area porous carbon ?

Adsorbed water and gases can affect the weight of the porous carbon. Some times 6-7% weight loss can occur during the degassing of the sample. Will this weight loss affect the calculation of C,...

08 November 2020 5,399 3 View

What is RNA filtration technique?

Sir, How I Can filter the only RNA as well as DNA separately from the whole genome after lysing using a membrane, and which membrane filter is suitable for the same.

14 September 2020 601 1 View

How to solve this error in a Heat Exchange Reformer model in Aspen Custom Modeler?

I have written code for a for a Heat Exchange Reformer in Aspen Custom Modeler, but it cannot run. The program describes a shell and tube heat exchanger with steam methane reforming reactions...

07 September 2020 2,024 9 View

Why is that only vaccine is available for Hepatitis B and not a drug that can eradicate it?

Hi Everyone, Entecavir 0.5 mg is usually given for patients with chronic hepatitis B to keep the virus under control and as well Vaccine is available for restricting the virus. If Entecavir 0.5...

22 June 2020 5,661 3 View

What is the physical significance of order (q) when calculating the Information entropy?

In information theory, the entropy of a variable is the amount of information contained in the variable. One way to understand the concept of the amount of information is to tie it to how...

01 May 2020 6,703 6 View

What are the simulation tools for IoT ?

For academic purpose, free and open source simulation tool for internet of things

09 April 2020 7,137 11 View

How to identify the concentration and weight used for magnetic composite preparation ?

I have got a publication in which the authors prepared BaFe12O19/CoFe2O4. But the amount / concentration used for preparing the metal nitrate solutions were not mentioned in the publication...

15 January 2020 3,563 2 View

How to find the human chromosome DNA sequence ? Where I can get exact data ?

I already found the human chromosome DNA sequence from the ensemble browser .But the problem is in that sequence it shows some N terms are coming top , bottom and in the middle .Without N terms...

12 December 2019 7,218 4 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 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

Should we change media after1st 6hrs after plating HUVEC bought from INVITROGEN?it's not recomended by invitrogen.Will DMSO present in stock matter?

We have HUVEC bought from Invitrogen. Cat no -C-003-5c. while first plating the cells we have bought the protocol suggests not to centrifuge the cell with media to remove the DMSO. Should we...

02 March 2021 3,713 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Bought HUVEC from Invitrgen.need to revive it.expected it is cryofreezed in DMSO.Do I need to remove the DMSO for plating the cell for the 1st time?

After I cryofreeze the cell do I need to remove the DMSO for culturing the cell for next passages .

28 February 2021 7,738 3 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

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