Does anybody have a data of solubility of a anhydrous KOH in ethanol at 15°C or below?

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It is possible the thermal denaturation of whey proteins at 50°C?

I would like to know if long thermal treatments (up to 200 min) of whey proteins in solution in a pH range of 4-6 can produce to some extent the denaturation of whey proteins. I would like to hear...

09 October 2018 4,745 5 View

E. coli colonies may have an inusual pigmentation pattern when cultured on EMB agar?

As can be seen in attached images, we have cultured a pure E. coli strain on EMB agar, and the strain have grown over all the inoculated area, but only in certain portions of the plate the...

09 October 2018 9,506 6 View

Can I obtain cold-set calcium-induced whey protein gels using WPC80 instead of WPI?

Has anyone worked with WPC 80 in order to obtain calcium-induced cold-set gels? Reference publications: Barbut, S. (1995). Effects of calcium level on the structure of pre-heated whey protein...

09 October 2013 2,121 9 View

How should injection of n-alkanes mixture be done in order to obtain Kovats indexes ?

Interested in the determination of the Kovats retention indices for each compound seen in chromatograms, using a commercial n-alkanes standard mixture, after SPME-GC-FID of food samples to study...

03 April 2012 1,479 8 View

Following of nitrogen compounds consumption by yeasts cultured with peptones as nitrogen sources?

We are studying different parameters associated with the growth of a yeast in a culture media containing yeast extract, lactose as the carbon source, and peptones (e.g. casein peptone) as the...

01 January 1970 2,414 5 View

What is saturation solubility of insulin in saliva?? I need it to know sink condition ?

05 August 2024 4,407 0 View

For the moringa oleifera extract using ethanol as the solvent,what is the alternative method to concentrate the extract other than rotary evaporation?

99% pure ethanol was used for maceration also alternate methods along with the temperature and time to concentrate the extract can be specified

31 July 2024 5,113 4 View

How to explain the different interaction between soluble and insoluble polymer in water?

Hello everyone, I am try to understand the differences interaction between insoluble and soluble polymers in water with metal ions and how theit charge density (of metal ions) affect the interaction.

29 July 2024 6,350 3 View

What is the solubility of Iron (+3) in Bismuth Oxide?

Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco

29 July 2024 2,163 1 View

Comparison of Methanol and ethanol treatment on collagen based scaffolds?

Kindly share a research paper that explains the effect of Methanol and ethanol treatment on collagen based scaffolds. How it increases porosity and swelling. Kindly help me find a paper. Thank you

24 July 2024 3,937 0 View

What does negative readings in spectrophotometer denote. Was testing TSS content of bacterial cultures?

I was performing estimation of Total Soluble Sugar content in bacterial cultures by Anthrone method. Out of 9 samples, only one sample showed positive reading while others had a negative reading...

22 July 2024 9,576 4 View

Do you know about fully Ethanol toyata Inova car?

https://youtu.be/5MckkqF9XWU?si=MvBsElJZg8_At8qP

09 July 2024 6,038 5 View

Is gasohol or Ethanol petrol mixture safe , ch?

What is safe gasoline and Ethanol safe or Ethanol petrol mixture safe for car fuelin.

03 July 2024 2,939 3 View

If Purospher STAR RP-18 LiChroCART (HPLC column) is suitable for amino acids?

Hi Dear Researchers, Could anyone please provide me with some information about the HPLC column, specifically the “Purospher STAR RP-18 LiChroCART Cartridge”? I would like to know if it is...

25 June 2024 9,523 1 View

Can I dissolve DPPH in THF for antioxidant activity Assay ?

My compounds are soluble In THF, so I woould like to know If for antioxidant activity I can prepare DPPH in THF. Before, I did a test in wich I had DPPH in ethanol, but when I Add my sample in...

17 June 2024 4,183 3 View