Experiment or Quasi Experiment Design?

What kind of study design are we talking about? Subjects are randomly assigned to one of three groups. In addition, a moderator and a mediator are collected as continuous variables. Is this an...

15 January 2021 1,809 4 View

What is the best solvent for the extraction of chemical compounds that have an insecticidal effect ?

What is the best solvent for the extraction of chemical compounds that have an insecticidal effect ?

26 November 2020 4,609 15 View

Nvivo - how to extract and analyze hashtag?

Hello, I am using Nivo 12.0 plus. I've a dataset of tweets, unfortunately not extracted by NCapture. How can I extract and analyse hashtag? Is it possibile using auto-code functions? Thank you

19 August 2020 9,532 3 View

What is a scoping review?

In what context should we choose to do a scoping review? How is it different from systematic review, literature review, mapping review and Cochrane review? What are its mandatory or optional...

05 July 2020 8,206 3 View

If I use REVEL score as a meta-predictor for clinical variant classification, what would be a reasonable cut-off to filter disease variants?

Ioannidis et al., 2019, reported the development of the REVEL score (rare exome variant ensemble learner) for redefining pathogenic variant classification, and Tian et al., 2019, reported that...

29 March 2020 2,450 2 View

Is there a method to statistically compare two or more regression coefficients in paired data?

Hello, I have conducted simple linear regression for four time points, always on the same sample. My time points are 10 years apart and now I wish to compare the slopes / betas / regression...

21 March 2020 10,020 9 View

Is the Case Study Method eligible to create theory?

I have been conducting research for PhD Theses using case study as a method, mainly refer to Robert K. Yin works. At the final step of my research, I define some concepts and use the concepts to...

12 February 2020 3,146 10 View

What is the blue-shift in UV-vis?

hello, Im having trouble in extracting information from my uv-vis data. The sample the I analyzed is protein corona. Before that, I already characterize 40 nm of gold nanoparticle and obtain its...

15 May 2018 8,815 7 View

Does someone have neuronal cell cultures of zebrafish?

I plan to use immunohistochemical methods to stain brain sections from adult fish (teleosts, starting with zebrafish). In order to validate the antibodies I would like to test them in a 2D-celll...

10 September 2017 6,280 1 View

Please does anyone knows how to use genome mining in search of genes encoding for particular enzymes?

For instance if I want to search for genes encoding particular enzymes which bioinformatic tool is better and how do I select the best genes to investigate?

14 August 2017 1,967 4 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

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View