What is the pH range of the anthocyanin from black mulberry?

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How to calculate kinetic rate constants of various indicators of lipid oxidation?

Already I determined lipid oxidation indicators such as TBA , Peroxide value , p-Anisidine value of oil under accelerated condition and storage time. But I need to calculate kinetic rate constants.

05 June 2018 1,515 3 View

What is best conditions to soluble the iron nanoparticles in cake or fruit juice?

02 March 2018 5,171 2 View

What is the importance of controlled release systems in food applications?

01 February 2018 3,733 3 View

How to detect the stability of nano-encapsulated compounds in food applications?

I would like to know, How to detect the stability of nano-encapsulated compounds in food applications? What are the tests can be done? How determine the efficiency of encapsulation process?

01 February 2018 4,427 3 View

What is the main volatile compounds responsible of edible oil rancidity?

Dear All I would like to know what is the main volatile compounds responsible of edible oil rancidity? and also these compounds differs according to the type of oil

01 February 2018 7,550 3 View

What is an international standard of nanoparticle size and concentration in food or their products?

There are any international standards of nanoparticles size and concentration in food products. Also, there is any report from FDA regarding of nanoparticles approved in food products.

31 December 2017 2,353 3 View

What is the best condition for encapsulation of food bioactive components?

I would like to know some inquiries regarding of microencapsulation: How to determine the encapsulation efficiency? How to calculate the encapsulated bioactive components? What is the stability of...

01 January 1970 4,656 3 View

How to assess the osmotic power of a substance?

Hello, I suspect that a molecule I am using is causing bacteria to experience osmotic shock. What chemical properties should I look for to compare this capability with those of other substances?...

06 August 2024 977 1 View

How to check pH of a high strength hydrogel?

We are working on biopolymeric hydrogels. Our system is highly viscous and sticky, and the gel formed are high in strength. We are unable to use pH electrode and pH strip. Please suggest an easy...

30 July 2024 942 2 View

EDTA buffer solution?

Hello everyone! How can i prepare EDTA buffer solution (pH 8.2) to determine GSH levels? Thank you in advance.

29 July 2024 4,374 1 View

Whether i can preserve leaves samples in 2.5% glutaraldehyde in 0.05 M phosphate buffer, pH 7 for coming several weeks for further LM study ?

I want to preserve the sample leaves for the LM study of the stomata and conidia analysis. Whether 2.5% glutaraldehyde in 0.05 M phosphate buffer with pH 7 can be applied for preservation.

29 July 2024 8,560 0 View

How can I regenerate a SCX column modified with Sulfonate group (Thermo 054995)? The colmun has lost its Resolution and peak to valley ratio?

The column is used in Ion Exchange Chromatography of Monoclonal antibodies and the method of analysis is based on pH gradint.

13 July 2024 7,462 1 View

My Cyclic voltammetry curve doesn't show cathodic peak of Cu2+ to Cu+. how to solve this problem?

I performed CV of Cu-MOF in a buffer solution of pH 8, and we did not find any peak corresponding to Cu2+ to Cu+. What is the reason behind this? Please give your valuable suggestions.

08 July 2024 2,388 4 View

Is it possible to generate a (semi-)permanent "transcription bubble" within a replicable plasmid?

I was wondering if it is possible to form a permanent open "ssDNA bubble" similar to a transcription bubble (>13 nucleotides) within E. coli. These criteria are important: 1. Open ssDNA...

07 July 2024 8,275 5 View

Is it possible for the soil pH to be around 8, but with negligible amounts of carbonates, bicarbonates and exchangeable sodium?

Can this pH of 8 be due to the presence of other substances? Or do I have an error somewhere in the analysis? Thank you!

26 June 2024 9,093 4 View

Which pH range is allowed for subcutaneous pump administration?

Hello, We are designing a protocol to determine the effect of certain compounds in the health of rats, but our problems have certain instability issues when subjected to certain pHs. We were...

19 June 2024 5,950 1 View

Ni-NTA protein purification - how to obtain higher yield concentration?

Hello, I am trying to purify a 6X-His tagged protein using Ni-NTA chromatography. However, I obtain very less yield & concentration; and considerable protein in load flow through. Any...

16 June 2024 5,876 5 View