Has anyone used paraffin oil (liquid paraffin) instead of saturated alkane mixture in determining RI?

I would like to know if anyone has tried, or has any experience, in analyzing liquid paraffin with GC/MS and recording retention times. As hypothesized, this alkane mixture could maybe serve as a...

14 November 2019 8,547 3 View

What does cos2 mean in a PCA plot?

Hi! I'm performing a PCA in R Studio for behavioral data and I note in many tutorials a plot (for variables or individuals) which displays cos2, according to the tutorials, cos2 is "the quality of...

15 March 2017 6,429 4 View

What are the best transgenic wistar rat models for Alzheimer's disease?

There are different transgenic rat models with on-off switching genes but I would like to know which of them have early alterations in behavioural tasks.

14 March 2017 195 2 View

What is the best method to extract RNA from polysomal fractions?

14 December 2016 6,641 8 View

What is the best method to extract RNA from polysomal fractions?

11 December 2016 4,416 8 View

How liver RNA extract?

Immediately frozen liver with dry ice, I cut a piece of 100mg, I add 1 ml of Trizol reagent, homogenized with homogenizer power and proceed to phase separation, precipitation and RNA wash...

02 November 2016 7,462 5 View

How can I do genetic analysis in popgene 1.32v with SSR tetraploid data?

I'm trying to do genetic analysis (allele frequency, polymorphic informative content, Shannon and Nei's index, etc) and acording to a paper, they used the program Popgene 1.32v with their SSR...

15 September 2015 9,429 4 View

Human Dissection: is it the best way to teach anatomy?

Human Dissection has been the classic tool to teach and learn anatomy of the human body. Recently, voices have raised against it, or at least questioning if, with new technologies, anatomy...

09 October 2014 1,255 2 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

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View