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

No title

Does anyone have the experience of using Taq Man probes in the QIAGEN Rotar- Gene qPCR machine?

01 March 2021 5,311 1 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 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

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

EMSA troubleshooting. Protein-DNA complex not migrating, cold probe lane with multiple bands. Can anyone help?

I'm running an EMSA to show the DNA binding activity of recombinant proteins versus the Wild type. Previous assays run by my research group using a different test system show the protein-DNA...

24 February 2021 8,325 1 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

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

I see 2 random bands in my ERK/pERK blot? Has anyone else seen this?

I ran a western blot using 12% gel and probing for ERK/pERK (cell signaling antibodies). The green is total ERK, the Red is supposed to be phospho-ERK. I see 2 bands below the total ERK that...

22 February 2021 1,777 3 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

21 February 2021 7,561 4 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View