How should I go about evaluating cytoplasmic and nuclear Arginase-1 activity?

Hello! I've stained some bright field Arginase-1 Hematoxylin slides, but I'm having a hard time finding any computed histology predicates for evaluating the intensity of the cytoplasm verses the...

03 February 2021 3,039 1 View

What is your opinion about defining web development as a scientific research area?

In last years, web development added new layers of opportunities for research, as more metrics like loading time, payload and resources requests are defined. In that case, the development has new...

01 November 2020 8,090 7 View

How to identify transcription factors in the genome?

What is the best approach to identify TFs in a non-model organism with limited homology to the closest model organism? Is predicting DNA-binding domains and assuming that most proteins containing...

09 July 2020 5,288 2 View

Does anyone knows a data simulator for mobile phones?

I am interested in a software that generates the network events data sent by a mobile phone to the surroundings antennae. At least a good tutorial about what data the mobile phone sends to the...

15 March 2019 4,915 5 View

High standard erros in Amos (for moderation effects). Why?

Hello, I have built a SEM model in Amos, containing interaction effects between latent construct and a dummy variable. I think I have made everything by the book: (1) I have centered the latent...

10 July 2018 6,291 1 View

Are there any methods to deal with modelling the self-selection bias for count statistics?

Suppose that we want to count the individuals in a population, but but we can count only a sub-population ( only those individuals that respond to a survey, or are for example subscribers to a...

03 July 2017 6,433 3 View

Determination of the lattice parameter of the GaN / AlN layers of a superlattice from TEM images

Hello!I was faced with the problem of determining the deformation from TEM images in layers of Gan / AlN superlattices (Fig. 1). I understand that to calculate the deformations I need to determine...

01 July 2017 1,487 8 View

Factors influencing the use of innovative teaching approaches?

Does anyone know of any recent literature review on the variables or factors that may influence teachers' enactment of innovative (i.e., socio-constructivist, reformed based, student-centered) vs....

27 June 2017 8,706 9 View

How much does it cost to sequence a cyanobacterial (bacterial) genome?

23 March 2017 5,169 3 View

Can CloudSim be used to simulate a cluster of HTTP server with a load balancer?

I played a little with CloudSim and looked over the examples provided in their repository. From the examples it is not clear to me if CloudSim can simulate HTTP servers that receive data about...

29 June 2016 3,275 3 View

How to avoid ulcers in s.c. injected tumors ?

Recently, we have injected s.c. B16F10 tumor cells in BL/6 mice. At around 12-15th day some animals showed ulcerations in tumors , with a big hole in the middle (it looks like a volcano). We have...

01 March 2021 9,938 3 View

Online surveys for social sciences researchs: what are your opinions about this tool and how can we improve the research design to incorporate online?

Good morning everyone, Due to the pandemic, I conducted several online surveys. It is quite agile, not at all expensive, but there are several problems: the sample's representativeness and its...

21 February 2021 7,457 3 View

ZnS oxidizes to ZnO!!why??

when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...

14 February 2021 5,778 9 View

Hi, can a variable in a questionnaire be measured with a series of questions or it has to one question for one variable?

I am doing research on the impact of competitive bidding on project success and would like to use SEM. Project success shall be: cost overage, completion time, quality of works and variation...

13 February 2021 4,413 6 View

Why non-specific band appear on T-ARMS PCR?

Hi everyone. We want to know how can I remove the non-specific band amplification on this variant. Although the amplification of non-specific band is not as intense as the band that we want, but...

09 February 2021 588 2 View

What is your opinion regarding opening of school? Now students are supposed to join school. Do you think that decision is in the interest of society ?

From long Pendamic now government is opening school and colleges on for off line classes. What do you think that this decision is fruitful to the students and society too?

08 February 2021 3,068 6 View

Fractional derivative users, are you on the same page with me on the validity of the fractional order parameter, say alpha?

Taking a fractional ODE problem as an example. It has come to my attention that if the fractional order parameter is in the interval (0,1], many only presents results for alpha=0.9, 0.99. I saw...

08 February 2021 9,671 3 View

Looking for a scale to measure attitudes towards violence against women and the factors that impact attitudes in South Africa?

I am interested in doing research on attitudes towards violence against women and the factors that impact attitudes in South Africa? Does anyone know which attitude scale I can use to measure...

06 February 2021 3,076 1 View

To what extent do I need to justify my control variables?

Hi everyone, I am writing a research proposal for my masters applications and am in dire need of guidance. I suggest to quantitatively investigate the potential correlation between feminist...

05 February 2021 3,666 8 View

Is the use of "multivariate " or "multivariable" was correct in multiple responses study ?

In statistics most of the time, we use these two-term exchangeable, but in my opinion, there is a difference between them. Please suggest your opinion

04 February 2021 7,407 7 View