How to transfer the particle suspended in aqueous medium into a non-aqueous (organic) medium?

I have ctab capped gold nanoparticle dispersed in water. I want to transfer the gold nanoparticle into a non-aqueous or organic medium. Can anyone please suggest me how to successfully transfer...

14 October 2020 2,802 4 View

Does anyone know how can I get Mito Thermo Yellow (MTY) dye?

This is a thermosensitive dye that was recently used by chretien et al to measure changes in mitochondrial temperatures.

01 March 2020 4,863 4 View

What is the difference between RFU and RFI in measuring the fluorescence ?

I tried to measure the fluorescence intensity of pharmaceutical compound using (Multi-mode plate reader, Perkinelmer EnSight) instrument and the fluorescence intensity appeared as RFU not RFI and...

06 July 2016 6,889 2 View

Can anyone suggest how to make cholesterol to soluble in water?

I have tried to dissolve it by heating the cholesterol in water as 0.3mg/100mL under stirring, but still it not dissolving. Is there any parameters like pH or some other thing to adjust, so as to...

04 March 2015 7,021 12 View

Pressure fluctuation in Agilent HPLC

We have a problem in our Agilent 1220 HPLC. The pressure is highly fluctuate and reaches zero when running 100% solvent in B-line (as in attached pictures) either when connecting a column or...

01 January 1970 4,580 16 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

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 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 to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 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

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

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

28 February 2021 8,466 2 View