Do you need copyright for redrawing figures?

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

07 August 2019 6,899 1 View

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 6,809 3 View

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

02 March 2017 6,225 0 View

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

05 April 2016 4,177 6 View

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

03 April 2016 4,340 7 View

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

11 March 2016 5,568 2 View

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

02 March 2016 6,665 3 View

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

09 October 2015 3,337 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 2,488 5 View

How do you dry chloroform?

Which is the most efficient and practical method for drying chloroform? I am particularly interested in removing water and also all ethanol (the commercial chloroform that I have is stabilized...

04 May 2014 8,768 45 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View