How to estimate/know plant virus concentration to make a standard curve in ELISA after serial dilution?

Hello, I am trying to know tomato virus titer/concentration in samples and I will perform serial dilution of the positive control. I wanted to ask How to estimate/know plant virus concentration to...

13 February 2021 6,534 4 View

Can i compare my work to a baseline if their method is different from mine but we have the same objective?

Hi there, my research aim is to reduce latency in fog environment, and I have a baseline that I would like to compare my work to, in the baseline research paper, their proposed method was compared...

06 November 2020 5,913 3 View

How to write optimization constraint for matlab?

hi, I have the following constraint for an optimization problem, and I am having trouble to code it on matlab . any help?

06 April 2020 5,115 6 View

Which algorithm must be implemented before being compressed, the image or encryption?

In foregoing years, image compression and encryption has become fascinated and vital field. In these past years, many researchers gave many techniques of image compression and encryption.

29 March 2020 2,127 4 View

Could your teaching experience tell me how to make a bullied student trust him/herself ?

22 February 2020 2,921 11 View

How does married-parents-working-researchers balance they time?

I am at the same time a wife, a mum of two cute angels, an ict engineer working full time, a contractual assistant working part time and a PhD student who will graduate next year. If there is any...

02 June 2018 7,770 11 View

How can analyse particle size distribution to material, is there any calculation?

This file I got it from the lab.

29 November 2014 6,971 11 View

Do you face much absence during your courses? If yes, how did you do to cure such a high absence rate?

A teacher, having suffered from the absence of his students, asked them a question in the semester exam: who among these photos is me?

01 January 1970 2,419 3 View

Qualitative questionnaire questions

I have done a quantitative questionnaire but the panel asked me to change it to a qualitative questionnaire although students do not like to answer such type of questions. I know that qualitative...

01 January 1970 4,408 4 View

Methodology(qualitative, mixed)

I am going to use qualitative questionnaire with interview and observation in my research. In the research design will it be mixed method or qualitative/ I could not find the answer plz help

01 January 1970 2,663 11 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

Is there a recitation score bank system for fair evaluation and assessment of student recitation?

In actual and virtual class, even if there is rubric for recitation, students may still fail to receive fair grades or scores. Others are active in recitation and others are not or others may fail...

26 February 2021 8,387 3 View

Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations?

Dear colleagues, Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations? The question is mainly aimed at adolescents (pupils,...

23 February 2021 7,796 4 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

Latent profile analysis based on two variables/sources of data?

Hello, for my master project, I would like to conduct a latent profile analysis about self-regulated learning skills. I would like to take two different measures into account when creating the...

21 February 2021 2,326 3 View

Where can I find raw quantitative datasets on ecosystem services?

I'm an Undergraduate student on the search for a research topic which has to involve any ecosystem service(s) and a response to environmental change. I'm looking for raw quantitative data sets (I...

19 February 2021 5,911 2 View

Person-Codes for questionnaires in longitudinal studies: Is there an easy solution for better matching-rates?

Hi, I have a problem regarding matching of longitudinal data in my field of research (university students). We have a Person-Code for matching data measured in different time points, but 30%+ of...

17 February 2021 3,075 4 View

Level 1 pre-post multilevel regression: Panel data or ANOVA approach?

Dear colleagues, I am currently teaching myself in multilevel analysis using educational data. I found few to zero literature on basic analysis methods. In my context we frequently use level-1...

17 February 2021 9,378 5 View

What are the available keys and descriptions for the identification of lice and fleas in domesticated animals?

I am an undergraduate student at the University of Peradeniya Sri Lanka, currently working on ecto-parasites in domesticated animals. I found difficulties in the identification due to a lack of a...

15 February 2021 277 1 View