Please suggest the role of low and high molecular weight Na-alginate powder for the encapsulation of phenolic acids ?

Na-alginate powder available in two forms (low and high molecular weight) and both are available for the preparation of Ca-alginate beads. I want to know that how it will affect the encapsulation...

31 December 2018 9,011 2 View

How can higher antioxidant activity of a extract related with anti-cancer potential?

As free radicals are responsible for cell damage, then it should be safe for cancer cells as well. Anti-cancer agent means something that cause damage cancer cells. Then how could it is possible...

05 June 2018 4,524 1 View

How +/- or higher/lower zeta potential of nano-emulsion particle affects absorption rate in the gut?

What is the mechanism behind the absorption of bio-actives molecules released from nano emulsion in the gut in case of higher or lower value of zeta potential. And what is the optimum range of...

02 March 2018 1,070 1 View

What's more important? Quality of experimental work or over expressive english writing skills ?

Now a days we can see high quality of work in lower impact journals, while papers containing fewer work were published in higher well renowned journals. It eventually demoralize the scholars...

02 March 2018 4,333 13 View

How to calculate the phenolic/flavonoid content in oil/water nano emulsion?

I usually centrifuge the nano-emulsion, take out the aquaous media and add same vol. of methanol followed by vortex and ultrasonication. A clear supernatant sol. of methanol was obtained after...

01 February 2018 10,023 4 View

How to make the continuous suppy of N2 gas during the bound phenolic extraction?

It is mentioned that N2 gas is provided during the alkaline hydrolysis of plant matrix or residual part for the extraction of phenols. I made some arrangements using N2 gas balloons but there is a...

01 February 2017 2,500 1 View

What is the possible reasons behind the no zone of inhibition in 70% ethanolic extract?

A 70% ethanolic plant extract dissolved in 70% ethanol was prepared for anti-microbial activity (zone of inhibition) with 1x10 pow.7 cells per mL of klebsiella. But no zone of inhibition was...

11 December 2016 4,458 5 View

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

No title

03 March 2021 5,360 2 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 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

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

No title

01 March 2021 3,905 5 View