No title

02 January 2021 7,417 10 View

What could be the cause of the Glutathione peak migration (LC Dionex, Kintetex EVO C18, water phase) ?

Hello, I need a help from those of you who work on Kinetex EVO C18 with water + 0.2% TFA mobile phase (isocratic). The conditions are constant (temperatures, flow, column, conditioning time)....

16 December 2020 4,582 3 View

How does one combine the basis of Quantum Physics that the information cannot be destroyed with the GR statement that black holes destroy the info?

How does one combine the basis of Quantum Physics that the information cannot be destroyed with the GR statement that black holes destroy the info?

14 December 2020 7,845 19 View

Macrostudies using sysGMM?

Dear all, Could you recommend macroeconomic studies (hopefully published in good journals) that use system GMM or Arellano-Bond estimators? Thanks a lot!

10 December 2020 5,130 4 View

What do you think about the article in Scientific American that nobody knows how planes lift off and fly?

https://www.scientificamerican.com/article/no-one-can-explain-why-planes-stay-in-the-air/

07 December 2020 4,404 19 View

No title

07 December 2020 9,722 12 View

Why my Nyquist plot does not intersect the x-axis?

I have been measuring the conductivity of the biopolymer membrane by using the 2-electrodes connection and sometimes the plot intersects the a-axis and other times doesn't. The membrane was...

03 December 2020 8,471 1 View

GPower for Three-Way ANOVA analysis?

I want to explore if the amount of time (usage) spent on the Social Media IV1, with two levels , one is light and the other is heavy use, Iv2, body image with negative and positive levels, Iv3...

17 November 2020 4,405 3 View

DNA extraction from bacterial culture?

Is it an effective method to isolate DNA from Gram-negative bacteria with only the use of a boil and freeze-thaw protocol, without any chemical purification? Also, is there a media to maintain the...

06 October 2020 6,890 8 View

Is there an equation connecting wave function and entropy of the quantum system?

Is there an equation connecting the wave function and the entropy of the quantum system?

27 July 2020 931 13 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

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

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View