Is a multivariate linear mixed model appropriate to analyse differences over time?

Say I have a data set of 32 study participants. The dependent variables are two different physiological reactions to stimuli. These are repeated measures, recorded over 16 trials. There are two...

13 December 2020 7,218 3 View

Calculating effect sizes without knowing the sample size by subgroups?

Hello! I am calculating effect sizes for a research synthesis of the literature (e.g. Hedges' g), but many of the original publications do not provide the sample size (N) by subgroups. I see...

13 September 2020 7,587 3 View

Does anyone have a user manual for the Cahn DCA-322 Dynamic Contact Angle Analyser?

Our instrument is from about 1998 and we no longer have the manual. The Help function in the program needs to connect to the internet, but we have to keep the computer offline, therefore the help...

29 May 2019 6,109 3 View

Does anyone know of a dataset for seismic activity for Europe?

29 March 2019 4,501 3 View

How can I change my entry regarding my book?

I mistakenly wrote that my book would be open access. This is not the case and needs to be changed. Presumably this means that I cannot have reviews of it either?

07 March 2019 1,442 1 View

A problem with generation of lentiviral particles of a large gene (4kb)?

I am trying to generate lentiviral particles from a insert (4Kb) cloned into a lentiviral vector (pWPI, 11Kb) and I am having some issues. I transfected HEK 293T cells with the pMD2G, pPAX and our...

02 August 2018 5,170 3 View

Does anyone know how to calculate DNA bending angle with curves+ program?

I am working with DNA-Protein complexes and I tried to determinate it with x3dna but i had some problems with the vectors, so i read that other used program is curves+. Has anyone worked with this...

27 March 2018 277 1 View

What is the future of labor law in a future world without work?

Labor law is predominantly carried out from the domestic perspective of the countries through their legislation, accepting only some international (often disregarded) legislative...

23 March 2018 473 6 View

Hello everyone, I am wondering whether just from the EEG raw data alone you can identify where on the scalp the electrode is positioned?

In more detail, we are interested whether we can distinguish the HEOG electrode from the F7 electrode next to it? Thank you very much in advance and all the best, Miriam

24 September 2017 149 1 View

Problems with protein crosslink to NHS-activated magnetic beads. Can lipids interfere with the crosslink reaction?

The crosslink of a purified protein to NHS-activated magnetic beads works absolutely fine. But now I want to crosslink human skin tissue lysate to the beads and this does not work at all. The...

30 June 2017 3,320 3 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