Can any suggest me good method of GC MS for the separation of Flavonoids?

I prepared the ethyl acetate, ethanol and butanol fraction from the ethanol extract of seed for isolation of Flavonoids. Amongst them ethanol fraction showing shinoda test positive for polar...

13 February 2021 8,263 3 View

Any specific reason, how sclerotium rolfsii can grow out of Petridish?

Is it related to nutrition or any other reason? Any other fungus have similar kind of growth pattern?

09 February 2021 4,357 4 View

How we can dissolve highly insoluble compounds in solvent such as DMSO, WATER, MeOH etc.?

We have tried all the aforementioned solvent with heating. So please share your thoughts how can we soluble my compounds.

14 May 2020 4,208 21 View

What is the difference between Power Transformer Fault Current And Sub Station Fault Level?

What is the reason of Transformer Fault Current is always lower then System fault level?

17 March 2020 2,854 3 View

Is there any method for the isolation of Taphrina maculans causing turmeric Leaf blotch?

Also mention media, pH, temperature and other conditions required for the isolation.

19 October 2019 1,505 2 View

What is the average weight of hypothalamus in Rat?

Hi all, please help me with this question. Thanks a lot in advance!

18 April 2019 4,305 3 View

What things should be taken care of, while performing immunohistochemistry of phospho proteins?

I am doing IHC for normal proteins, but there must be a different protocol to treat phospho proteins. Please, enlighten me with that. Thanks!

02 August 2017 7,414 2 View

How to use cell counting plugin in Image J?

I need to count nerve cells in the tissue stained with Cresyl violet. Please provide me guide to make us of Image J software for cell counting. I have cell counter plugin in Image, but I don't...

01 August 2017 9,887 2 View

Which material gives higher buckling load CFRP or Aluminium?

I am currently conducting research on the buckling of thin plates and simulating a range of materials in abaqus. It seems according to my results that Aluminium gives a higher buckling load...

26 July 2017 9,697 4 View

What boundary conditions do you recommend for a simply supported thin plate under compression?

I am using Abaqus to simulate, the initial boundary conditions which i have tried, is giving me a error of 32% with the theoretical solution. And this is for buckling analysis.

06 June 2017 6,663 3 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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 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

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

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

can I treat waste water containing solvents and alcohol with electrocoagulation?

there are solvents and alcohol in the waste water of a factory that produces disinfectants. Increasing this waste water requires very serious operations. Can I treat this waste water with...

27 February 2021 2,609 3 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration fors?

Warm greetings My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology (on Human papillomavirus). At this stage, I have almost completed a clinical sample Cervical swabs)...

25 February 2021 1,660 3 View