08 August 2019 1 7K Report

I am working on a book chapter and I would like to ask if redrawing figures require copyright permission or it is copyright-free?

More Vicente Martí-Centelles's questions See All
Anyone knows the best crystallization solvent of 2-aminoanthraquinone?

I have a technical grade sample of 2-Aminoanthraquinone and I need to purify it. Could anyone recommend the best solvent to purify the product by recrystallization? Many thanks Vicente

31 December 2017 6,939 3 View

Does anyone know a book or review with the definition of Conversion and Yield?

Dear all, I was wondering if anyone could provide me any reference to a book or review of the definition of Conversion and Yield (the IUPAC definition would be great). Many thanks! Vicente

02 March 2017 6,322 0 View

What compound gives a signal at 0.08 ppm in the 1H NMR spectra CD2Cl2?

Dear all, I am observing a peak at 0.08 ppm in the 1H NMR spectra CD2Cl2 (I attach a copy of the 1H NMR spectra). Does anyone had observed this before? Does anyone know what compound gives a...

08 February 2017 8,290 7 View

How can I extract DNA from cryosections?

I am interested in extracting DNA from the hearts of P0 mouse in order to genotype the heart (for heart-specific recombinations). I want to embed hearts in gelatin in order to do cryosections of...

20 April 2016 3,676 4 View

Is it possible to buy LEDs with their Center Wavelength emission (or ideally with the full emission irradiance spectra)?

Dear all, I would like to ask you if your have Is it possible to buy LEDs with their wavelength emission maximum (or ideally with the full emission spectra)? I would like to use these LEDs as...

05 April 2016 4,321 6 View

Is it possible to buy LEDs with their Center Wavelength emission (or ideally with the full emission irradiance spectra)?

Dear all, I would like to ask you if your have Is it possible to buy LEDs with their wavelength emission maximum (or ideally with the full emission spectra)? I would like to use these LEDs as...

03 April 2016 4,458 7 View

I need a reliable UV-Vis radiation device to measure accurate reaction kinetics of as photochemical reaction?

Dear all, I would like to ask your advice to measure accurate reaction kinetics of as photochemical reaction using UV-Vis radiation. My concern is to have a constant an reproducible source...

11 March 2016 5,727 2 View

I need a reliable UV-Vis radiation device to measure accurate reaction kinetics of as photochemical reaction?

Dear all, I would like to ask your advice to measure accurate reaction kinetics of as photochemical reaction using UV-Vis radiation. My concern is to have a constant an reproducible source...

02 March 2016 6,799 3 View

Does anyone have experience in the purification and stability of Ar-Sn(Bu)3 organic compounds?

I am planning a synthesis using a Stille cross-coupling reaction and for this I need to prepare a Ar-Sn(Bu)3organic compound. Does any one has experience in the purification and stability of...

09 October 2015 3,462 7 View

How do I include the standard deviation of several Housekeeping genes in the relative expression levels of the gene of interest in qPCR analysis?

Since I'm using different cell types I'm interested in using 3 housekeeping genes (HKG) in order to have a robust normalization. Normally in the results you should have a standard deviation from...

11 June 2015 2,621 5 View

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