Which software is better to write systematic review paper?

We have seen some authors use some software to write review paper. As obvious, the study of all published papers concerning our studying field is not possible and these software can help us to...

27 February 2021 6,296 1 View

How to differentiate the economic productivity in agriculture and in manufacturing sector?

Most of the references I found were on the economic productivity in agriculture but very limited application in manufacturing sector. I would appreciate if anyone could share the references on...

15 February 2021 8,342 7 View

Reaction condition to convert NH2 to COOH?

I need to couple Dopamine by NH2 end to silica nanoparticles coated by PEG-NH2, but first i need to convert the PEG-NH2 to COOH by using succinic anhydrous ... can you suggest a reaction condition ?

13 February 2021 2,768 4 View

How to solve error "Cannot find position restraint file restraint.gro (option -r)." on GROMACS?

Hi, I am about to do energy minimization but the above error occurred, I checked my .mdp file and .top file but could not find the problem. TOP file ; Include forcefield parameters #include...

01 February 2021 780 3 View

Surface modification of silica nanoparticles with PEG?

I'm trying to coat my silica NP with diamine PEG, so i used GOPTS to add epoxy group on the surface of the NP then i'll add the PEG. I can not found protocol for SiNP coating PEG, most of the...

13 January 2021 4,915 4 View

How do we decide BSA percentage in our buffer solution?

Hi all, I am trying to test my polymer stability in biological medium. I know how to make 1% /5% etc of BSA in buffer but I am not sure how do we actually decide this percentage volume. Is there...

05 January 2021 649 2 View

How to solve PSIM Thermal Module - C Block Error (MOSFET losses analysis)?

08 December 2020 3,827 5 View

Silica nanoparticles synthesis using Stober method with size rang 30-50 nm?

I'm preparing silica NP controlling the size by using different concentration of NH4OH. 1- 16.75 ml ethanol. 2-0.5 ml TEOS. 3- NH4OH (0.3- 0.5- 0.75- 1 ml) mixed for 24 hr then evaporate the...

27 November 2020 1,504 13 View

Which neuronal cell line contain D1R?

I'm formulating a drug delivery system that could stimulate Dopamine receptor, For that i need to choose cell line that contain D1R and could be simulated using my delivery system... I have read...

20 November 2020 9,104 2 View

Problems in PCR using Folmer primers, can you help please ?

Hello, I'm using the classic Folmer LCO1490 and HCO2198 primers for a venerid bivalve ADN for two months but the results are still negative, I can't see the bands. 1. I tried to change the...

03 November 2020 9,190 3 View

How to manually calculate p value in ANOVA? what is the equation or formula for it?

How to manually calculate p value in ANOVA? what is the equation or formula for it?

03 March 2021 4,928 5 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

Using the Pfaffl method: Is it possible that the ratio of the calibrator does not equal 1?

Hi all, I have a question regarding calculations using the Pfaffl method. I have 3 groups per experiment: 1 control group (calibrator) and 2 treatment groups with 6 to 7 biological repeats per...

19 February 2021 8,351 2 View

Convert unit from OR per SD to 1mm for meta analysis?

I would like to ask if someone could help me to convert unit from OR per SD to 1mm for meta analysis. for example The age-adjusted OR per SD cIMT for MMSE

16 February 2021 6,476 2 View

How to properly reach normality in residuals with lmer?

Hello, I have a large non-balanced panel dataset regarding a company dealing with private lessons for students. My goal is to fit a lmer model which predicts the number of monthly hours taken by a...

08 February 2021 2,539 7 View

How could I get the P-value from the mean, SEM, and n of different groups in the t-test?

How could I get the P-value from the mean, SEM, and n of different groups in the t-test without the original data? For detail, I would like to know the P-value between BMP-2: 50ng/ml group and the...

06 February 2021 6,539 4 View

How to compare expected and counted values statistically with different p values for each genotype?

Hey there, I am currently working on the statistics of counted and expected genotypes in mice litter of a mutant mouse model. I have two different mutated genes, both alone and in combination, one...

03 February 2021 6,408 2 View

T-test and Mann-Whitney U test on groups with different sample sizes and variances?

Hello I have 2 groups with different sample sizes of (experts: 5 to 8) and (Users: 28 to 35) answering 21 questions on a 7 points Likert scale about the importance of some dimensions for...

31 January 2021 3,885 7 View

For continuous variables, in which threshold value we should perform rating up the quality of evidence in Grade analysis?

If the mean difference was used to measure the effect estimates in comparisons, in which threshold value we should perform rating up the quality of evidence in Grade analysis. In terms of Risk...

26 January 2021 5,513 3 View

I am trying to simulate phase change of refrigerant inside pipe extracting heat from panel in comsol. Can anyone help with how to simulate this?

My model is a rectangular multi layered structure under which refrigerant flows through cylindrical pipes. A heat flux of 600W/m2 applied on panel and internal forced convection is used for...

20 January 2021 9,478 1 View