Ideas about drug-polymer microparticles characterization?

31 December 2016 9,567 8 View

How can I study the release of curcumin in PBS or in a medium to simulate an human tissue?

03 April 2015 9,234 9 View

Does Someone know if FITC is soluble in chloroform?

I know it is soluble in ethanol, acetone, DMSO, DMF; someone knows about chloroform?

02 March 2015 7,841 2 View

How can I determine the intensity of fluorescence of Fluorescein isothiocyanate?

I want to demonstrate that FITC is present in a powder obtained by the micronization method.

02 March 2015 1,222 3 View

I dissolved dextran in 25 mL of water and then added 25 mL of ethanol. why did a gel form? how can I avoid it?

I want to dissolve dextran in a mixture of water/Ethanol.

01 February 2015 3,466 8 View

Can I use curcuma used in kitchen for curcumin to encapsulate a model drug in a polymer?

31 December 2014 8,088 1 View

How can I use quantitative FT-IR?

31 December 2014 1,373 2 View

Are there articles about FTIR spectrum of FITC?

Read 2 answers by scientists with 1 recommendation from their colleagues to the question asked by Alessia Di Capua on Jan 3, 2015

31 December 2014 5,331 1 View

Which drug is interesting to be monitored by the fluorescein?

I need a drug which is soluble in water.

31 December 2014 1,659 4 View

Which drug is more suitable to be encapsulated in dextran?

I want to encapsulate a drug or peptide.

10 November 2014 8,172 1 View

How to calculate Total Flavonoid?

I analyzed flavonoid total spectrophotometry, the procedure as below: 2 ml supernatan added 5 ml dd.H2O, then added 0,15 ml NaNO2 5%, 5 minutes later added 0,15 ml AlCl3 10%, After 6 minutes,...

01 March 2021 6,722 1 View

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

XRPD Quantification - Building a calibration curve of drug excipient?

I am aiming to utilise XRPD to quantify a drug excipient within a drug product and have been having a little trouble building the calibration curve to allow for this quantification up until this...

10 February 2021 6,145 3 View

Why is there cloudy white solution in flavonoid test tube?

I do flavonoid test for biscuit incorporated with muntingia fruit powder. Sample extracted with metanol (1:10 ,w/v), macerated 24h, sentrifuged and filtered. Supernatan used for analysis. I have...

08 February 2021 6,779 4 View

Is receiving Invitation to submit a article from the journal is big deal ???

I have recently received a invitation from the journal "Current Pharmaceutical Bio-technology" to submit a research article. As i didn't received any invitation before. so, is it normal to to...

04 February 2021 4,596 23 View

Is GPD 2021 an official and real event?

I was invited to this conference organized by the Hazel pharmaceutical group in Prague 2021. I want to know if the event is real and if any other collage in the pharmacology/ drug discovery area...

25 December 2020 4,407 3 View

Is there any effect of heat, if I will keep the test tubes in hot water bath for evaporation of extra ethanol during phenol or flavonoids extraction?

Whether there is any effect of heat on phenol and flavonoids concentration if the samples are kept in hot water bath for evaporation of ethanol?

10 November 2020 4,096 4 View

Gaussian calculations using sdf file downloaded from chemspider or pubchem?

Is it possible to perform gaussian calculations using molecular structure downloaded from chemspider or pubchem? The active pharmaceutical ingredient I am working has complex structure and I am...

29 October 2020 3,942 3 View

Can U suggest standard protocols of quantifying total phenolics & total flavonoids using gallic or tannic acid for the former and quercetin for later?

The problem is that everytime getting the flavonoids content much higher than phenolics which may be, but in rare occasion. In phenolics, I am adding100 ul sample with 900 ul dH2O with...

29 September 2020 4,993 6 View

How to calculate total flavenoid content?

16 August 2020 5,323 4 View