Brand of a micropipette does really matter?

04 May 2016 5,857 3 View

Does anyone have experience with statistical analysis?

07 August 2014 4,578 4 View

Does anyone know where I can find atomic force microscopy in Malaysia ?

06 July 2014 2,390 1 View

What methods would increase encapsulation efficiency in microparticles?

I prepared microparticles but the problem is that the encapsulation efficiency very low. My polymer is Ethylcelluose and my compound is soluble in both the aqueous phase and organic phase. I...

02 March 2014 7,366 3 View

Can anyone suggest any type of non-biodegradable polymers which can be used in the preparation of microspheres?

I am looking for the best polymer which also has a high cross-linking matrix.

09 October 2013 4,106 4 View

How can I know from the structure of the compound if there will be degradation while studying the solubility of it?

Simple method to predict the degradation of a compound during solubility study

09 October 2013 7,724 28 View

Any official guideline to conduct solubility studies?

Any suggestion to do solubility study for a compound that I have a very small amount of it and I want to test its solubility in different solvents.

09 October 2013 7,548 6 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 remove fatty material from plant extract?

The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.

28 February 2021 9,464 2 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 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