How to describe exposure variables?

Hello, I would like to review the literature on the intrinsic and extrinsic risks to women that can negatively influence their childbirth experience. I have a difficulty in developing my research...

01 December 2020 5,781 3 View

How to find compounds that are similar to others in term of structure and activity?

Dear all, I Have found in silico two compounds that are interesting for me, one is spermidine (a metabolite) and another one is negamycin. Negamycin has apparently an effect on my cellular models...

20 October 2020 8,394 3 View

A good reference for polyphasic identification of Acremonium-like species?

I am wondering if there is a good book or web reference for identification of species from the genus Acremonium and its likes.

31 August 2020 1,878 2 View

Checking the independent errors assumption for logistic regression in SPSS?

I am investigating the effect of certain cognitions/attitudes on sexual recidivism. Sexual recidivism is the binary outcome variable (0 = no / 1 = yes). Originally the sex offenders could score 0...

07 May 2019 7,295 6 View

No title

21 October 2018 1,995 1 View

Differences between the files "rna_from_genomic" and "rna" ?

Hi ! I was wondering what were the differences between those three files : [https://www.ncbi.nlm.nih.gov/genome/doc/ftpfaq/] *_rna.fna.gz : FASTA format of accessioned RNA products annotated on...

24 December 2017 3,117 2 View

Is it possible to enrich/selectively isolate poly-dT+ cDNA?

Is it possible to enrich/selectively isolate poly-dT+ cDNA from a sample of cDNA which was reverse transcribed from total RNA using a mix of oligo-dT and random primers?

29 January 2017 9,080 5 View

Interference in SDS-PAGE silver staining of peanut extract?

I'm currently working on the optimization of the trypsin digestion protocol (duration and trypsin concentration) of peanut extracts (with Tris and Urea). I use SDS PAGE (12% BioRad) to check the...

23 November 2016 5,534 4 View

Abaqus: General contact and coupled thermal-electrical-structural step N/A?

I'm building a vibrothermography model with a coupled electro-thermal-mechanical step, where a piezoelectric actuator generates ultrasonic waves that are transmitted to a material, where the...

24 August 2016 692 2 View

What to do with G09 when displacement is high whereas force is low and predicted change in energy low?

Dear All, I optimize a structure with M06 / 6-311+g(d,p). After a lot of optimisation step , the predicted energy is low -1.7 D-07 and forces very low. However the calculation do not converge as...

28 October 2015 2,592 6 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

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein?

Hi In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein? I got this error in the add-ion stage: Fatal error "./ amber99sb-ildn-HHH.ff / force...

01 March 2021 8,747 4 View