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

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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 4,651 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 9,414 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 2,031 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 1,376 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 2,291 5 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 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

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

How to best wash a 96-well plate containing microplastic?

I am planning my protocol for my dissertation for an experiment quantifying bacterial (E. coli) biofilm formation on micro-plastic (5mm discs of polyethylene bags) by conducting a crystal violet...

23 February 2021 7,868 2 View

Are there any known solvothermal methods to synthesize MoS2 nanosheets using solvents other than water (like ethanol/ethanol-water mixture) ?

I need to synthesize MoS2 nanosheets by alternate methods without pure water as a solvent.

22 February 2021 9,246 1 View

How to seperate PEG-4000 from aqueuse phase ?

Hello everyone , Please tell me if It possible to seperat POlyethelyn glycol -4000 from an aqueuse media by other ways rather heating . I have tried salting out by electrolyte solution to...

22 February 2021 7,285 5 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

Can ethanol be used as an analgesic?

If ethanol has analgesic properties, why isn't it used for clinical purposes?

18 February 2021 8,227 4 View