Is it possible to use 100% Ethanol as mobile phase for C18 or any reversed phase columns?

I want to separate 2 compounds on HPLC, and I have made the preliminary studies on TLC using reversed phase plates and 100% ethanol as mobile phase which achieved complete separation. Now I want...

13 August 2020 2,229 3 View

Is there any different in phage precipitation with PEG 8000 and PEG 6000 ???

Can the moleculer weight of PEG (8000 and 6000) cause a noticeable effect in phage precipitation???

22 December 2018 531 3 View

Is there a way to extract vanilla oil?

I tried distilling vanilla beans (hydrodistillation) but did not get any oil after 4 hours. However, the hydrosol had the same odor of vanilla. Is there a way to get the vanilla oil? Thank you!

07 October 2018 7,400 3 View

Why sandalwood oil is prepared from the heartwood and not the sapwood?

Sandalwood oil is extracted from the heartwood. Is there a reason for or benefit from producing the oil in the heartwood?

13 February 2018 9,172 1 View

What are the factors required to be considered for wsn using on-demand query based apporach ??

20 April 2016 8,149 5 View

How can we make a hybrid dynamic system for fisher KKP equation?

discrete time piecewise smooth system continuous time piecewise system

15 November 2015 4,562 2 View

What is the best way to fractionate a methanolic extract?

Is fractionation by simply shaking with solvents of increasing polarity successively sufficient or is it needed to always have 2 immiscible solvents?

31 October 2013 8,863 32 View

Top Ten Learning Algorithm?

01 January 1970 4,217 33 View

Why it is required to have plasmid to have polymorphic immunity in a bacterial population?

Except CRISPR, what can the plasmid carry out as an immunity against phage??

01 January 1970 3,044 3 View

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View

How can plant phytochemistry be included in discussions about whole plant traits?

I am using the concept of plant functional traits (Cornellisen et al., 2003) in a paper. Considering descriptions for whole plant traits (life history; life form; growth form; plant height;...

24 February 2021 6,831 5 View

How vulnerable is water and wastewater infrastructure to cyber terrorism in an age of IoT?

Im looking for any papers, reports,articles, links etc on information on How vulnerable is water and wastewater infrastructure to cyber terrorism in an age of IoT.

24 February 2021 2,750 4 View