Can any one guide me about designing of extraction plant by super Critical Carbondioxide

More Ashray Gupta's questions See All

What is the percentage (%) amount of 18β-glycyrrhizic acid in Total Glycyrrhic acid?

I have a procedure for analysis of total Glycyrrhic acid in Liquorice Dry Extract. But I want to evaluate 18β-glycyrrhizic acid. Can anybody tell me what is the percentage content of...

09 October 2014 1,861 2 View

What is the best way of reducing bioburden in a finished powdered product?

I have a problem of high bio burden (TAMC TYMC E choli etc) in some of my products. I have managed to reduce Yeast and Fungi with dry heating at 100 C but i am not able to reduce E .Choli . Please...

06 July 2014 756 4 View

Is there any compound named potassium biochromate?

I have an analysis which involves the use of Potassium Bichromate but I am not able to find it in any chemical list. Are Potassium Dichromate and Potassium Bichromate the same thing or different?

08 September 2013 9,324 2 View

How can we use the value of A(1%, 1cm) in the calculation in an analysis by spectrophotometer?

I have a assay where absorbance has to be measured and in which the A% value is given and I want to find out the % of the material present. The method is according to the pharmacopeia . please guide.

08 September 2013 4,245 7 View

Can anyone suggest a simple method of determination of chloride in berberine tannate?

Please suggest a simple method of determination of chloride in berberine tannate. The method given in JP (Japanese Pharmacopoeia) is very complicated and is very confusing. Please suggest any...

07 August 2013 3,101 2 View

Reaction and manufacturing technique of Polyurethane foam using Polyol and MDI

Can anyone guide me about the mixing ratio of Polyol and MDI for the formation of Polyurethane foam(PUF) and Polyurethane coating liquid?

04 May 2013 9,839 1 View

Significance of Linalyl acetate, Linalool and β-Caryophyllene in natural oil?

With varying concentration of Linalyl acetate, Linalool and β-Caryophyllene, how is the fragrance and the quality effected? What is the significance of these compounds in oils of lavender? Does...

03 April 2013 1,832 2 View

Please tell me the assay method for calculation of phosphate in sodium hexametaphosphate

02 March 2013 3,169 2 View

Can anyone explain the use of Sodium Hexametaphosphate in Boilers?

What is the ratio in which Sodium Hexametaphosphate should be added in the boiler water to prevent scaling?

31 December 2012 995 3 View

Can anyone guide me with the simple assay methods for the different salts of berberine? Titration or a UV method is preferable.

Berberine

31 December 2012 9,160 0 View

Is there a problem with my RNA pellet?

Hello, I am currently having problems with RNA extraction. I am using mouse liver (C57BL6J), and I have extracted RNA from mouse liver before. Before this experiment, my final RNA pellets were...

11 August 2024 7,082 3 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

RNA Extraction Using Hot Borate Method No Longer Working?

I've been performing RNA extraction on cotton petiole tissue for a few months now using the method described in the following paper, a derivative of the typical hot borate method...

08 August 2024 9,882 2 View

Low-yield gel extraction problem?

I am having an issue with my gel image where my PCR product is not appearing very bright on the gel. When I perform gel extraction, the A260/280 purity value is very low. I used the Qiagen gel...

05 August 2024 9,798 3 View

Do you have good tips for seaweed tissue preservation in the field for post RNA extraction?

I will be with my students collecting seaweed samples in a marine farm and later we will process this tissue for RNA isolation and further sequencing. Does anyone have tips on how to collect the...

04 August 2024 501 2 View

The question is how to use Wavenet transform?

HOW CAN I WRITE A CODE TO USE THE WAVENET TRANSFORM AS A FEATURE EXTRACTION METHOD INSTEAD OF DWT IN MATLAB?

03 August 2024 7,829 0 View

Can i use the protease inhibitors during cell membrane vesicle preparation ？?

I am currently working on a project that involves extracting cell membranes, for which we disrupt the cells using sonication. During the initial extraction process, we add protease inhibitors to...

30 July 2024 7,077 1 View

What should a Mechanical Engineering PhD scholar focus on during their PhD to enhance their chances of securing a postdoctoral position?

29 July 2024 7,714 4 View

May I know the exact Quartile of the journal- Advanced Engineering Materials (Wiley) for material science category?

In some data sources it has been grouped in Q1 and some shows it is Q2.

29 July 2024 4,227 2 View

CAD File of human's & rat's respiratory airways ?

Dear all, I am working on particle deposition in human's & rat's respiratory airways using CFD and I am looking for the 3D CAD file for my simulations (STEP or IGES format). If somone has such...

29 July 2024 1,092 2 View