How to calculate the sample concentration with different dilution factor from standard curve?

A silly question!!! Pardon please. Usually a standard curve follows serial dilution with at least four points (especially in 5 point curve) in eight and I assume it reach to 10,000 dilution from...

21 December 2020 9,994 2 View

Can I run Structural Equaton Modeling with three independent variables and three dependent variables?

Hello everybody, I have three independent variables and three dependent variables. I want to run the regression analysis with SEM amos. So is it possible to run with the three DVs and three IVs in...

27 November 2020 3,269 6 View

Do I need to code the reverse questions ?

Do I need to code the reverse questions ? In my research, I tested child-centered practices and teacher-centered practices. For example, in child-centered practices, the item is "Teacher has clear...

15 October 2020 2,954 7 View

How do I calculate the Rleak (Leakage resistance) from solar cell parameter (Jsc, Voc, F.F, Eff.)?

I have a parameter values of solar cell and I want to measure the solar cell's temperature changing with thermograpy camera. If I measure with this camera, I need to know the solar cell's leakage...

01 December 2019 5,040 4 View

GRADE approach, Inconsistency/Heterogeneity domain; Downgrade by 1 level or 2 level?

In assessing the quality of evidence using the GRADE approach, with regards to inconsistency/heterogeneity domain, how to know that I should downgrade the quality of a body of evidence by 1 level...

16 November 2019 6,593 1 View

For single season occupancy modelling of 30 sites with 10 site co-variate and 1 observation co-variate, how can i get the best candidate models list?

For single season modelling of 30 sites with 10 site co-variates and 1 observation co-variate, how can i get the best candidate models list? I found some literature that Information Theoretic...

01 July 2018 3,240 7 View

How to manufacture composite fiber ?

I'm currently doing an assignment and we have to come out with a manufacturing process. My group is planning to manufacture bicycle helmet by mixing coir fiber with epoxy resin and hardener but we...

07 November 2017 1,879 1 View

Which method is often used for purifying organic matter extracted from soils?

03 October 2017 2,317 7 View

Which emerging viruses are likely containing the completely research system that could be followed?

28 August 2016 6,380 1 View

By which techniques we can manage to improve energy consumption without losing accuracy in Wireless Sensor Network?

Dear all,I am doing research in WSN and I want to know about the techniques that can reduce energy consumptions in WSN.Please someone can explain me?

17 June 2015 4,958 10 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View