Is PVA soluble in Toluene?

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How to calculate dilution factor based on the highest OD/concentration of sample in ELISA?

I am using Elabscience sandwich ELISA kit (detection range 0.31-20ng/ml), I am using supernatant saliva samples. I am using 4 plates and plotting the standard curve for every plate. In one of the...

27 January 2021 9,759 1 View

Do you think that Gardner's theory of multiple intellegencies is really a myth?

I have read that this theory has never been validated and even that some educators call it a myth.

30 November 2020 4,257 5 View

What are melting and annealing temperatures for Cantor Alloy?

WHat temperature range is required to effectively anneal the Cantor Alloy?

11 October 2020 3,094 4 View

How to determine the optimum order of an ARIMA(p,d,q) model?

The original series is nonstationary as it has a clear increasing trend and its ACF plot gradually dampens. To make the series stationary, what optimum order of differencing (d) is needed?...

25 July 2020 6,930 4 View

What is the main difference(s) between the two-parallel linear antenna array and rectangular antenna array in a smart antenna system?

Welcome Everyone, What is the main difference(s) between the two-parallel linear antenna array and rectangular antenna array in a smart antenna system? For example, a two-parallel linear antenna...

24 June 2020 2,520 1 View

How to obtain Remote Sensing Reflectance from Surface Reflectance?

I have downloaded one EO-1 Hyperion image, removed the bad bands, de-stripped the image using THOR De-striping in ENVI and applied the atmospheric correction using FLAASH in ENVI. Now I have the...

16 June 2020 9,162 1 View

I want to remove KOH from my reaction system?

I was synthesized potassium salt of organic copound. Then recrystallized in methano/ether. How can I remove KOH from crystal as my compound is soluble in methanol and water. Any other organic...

26 March 2020 4,900 9 View

A thought experiment in drug devlopment?

Drug development as a thought experiment: Find a starting point for drug development. Outline the concrete steps you choose during your exploratory program to convince yourself that the point of...

18 March 2020 2,283 3 View

What are numerical methods to simulate the mechanical behavior of HEA?

How can we simulate the mechanical response of high entropy alloys?

16 March 2020 4,006 2 View

Can data-augmentation techniques be applied for numeric data-sets ? If so, please suggest some of the techniques?

Like there are data-augmentation techniques for image classification and text-based data, are there any analogous techniques for numeric data-sets that can be used to expand the size of a scanty...

16 March 2020 2,839 11 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

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 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

How to analyse monosaccharide compositions from soluble fiber?

I have tried to hydrolyze the sample using 2 M TFA at 100C for 24, 48 h and 120C for 2 h. From these conditions, the HPLC results showed that peaks were not separated into monosaccharide. I found...

17 February 2021 5,230 1 View

No title

Hello. I ask for help - I need to get lithium tetraborate (soluble salt) from lithium carbonate and boric acid. In literature, everything seems to be simple - mix, ignite and - it's done. But it...

16 February 2021 9,523 2 View

Is There are any idea to achieve H NMR signals for swollen compound ??

the samples are not completely soluble - just swelled the solvents that's mean the sample may be partially soluble any suggestion, please

16 February 2021 8,801 3 View

What is role of toluene and stearic acid in ball milling for powder ? In what weight percent we should add this to powder?

I am doing ball milling operation of Aluminum and silicon carbide powder. I am pretty confused about what should be added as process control agent ? what is role of toluene as PCA and stearic...

12 February 2021 5,205 3 View

Which non-coordinating solvent dissolves anhydrous Iron(II)chloride?

Hallo, i am looking for a non coordinating solvent that dissolves anhydrous FeCl2 for a synthesis in which i can not use solvents like thf, pyridin etc.. I already tried benzene (no solubility),...

11 February 2021 6,105 1 View

DMSO concentration in cell culture? Precipitating while PBS is added?

I am testing a compound on RAW 264.7. the compound is soluble in DMSO. but to ensure that final concentration of dmso is not more than 0.1%, we are first dissolving it in dmso and then diluting it...

11 February 2021 1,136 3 View