How to extract polysaccharids from Aloe gel?

I 'm trying to extract polysacharides from Aloe leaf and tried ethanol percipitation, but after getting the pellet. I used the protocol from following reference following the steps, but I don't...

27 January 2021 7,049 5 View

How to visualise a journal issue?

Dear all, One of my friends is a editor in chief of a geospatial journal and he asked me to visualise the recent issue of the journal for publishing on the journal website. I have some ideas, for...

22 July 2020 6,275 4 View

Is it important the order of authors on scientific papers to apply for academic jobs?

Dear All, I have searched on the internet and read different pages with different views. If I want to summarize my investigations I can say that: Number of scientific papers which an applicant is...

21 November 2019 2,591 9 View

What are the recent HRM topics for research? And is research in change management field feasible if literature is there from quality journals?

Recent HRM topics for research

15 August 2019 1,286 10 View

Why AMOVA test is not active in Arlequin?

I entered the data to Arlequin and under Genetic structure, the AMOVA option is not active, is this related to input data? The other options are active and will run the analysis. I enclosed the file.

15 August 2019 4,564 4 View

How to interpret Stacks output?

10 July 2019 5,938 2 View

Is it necessary to perform Global Moran's before Local Moran's?

Dear All, I think the question is clear. Is it necessary to perform Global Moran's statistic before Anselin Local Moran's I to measure spatial autocorrelation? I mean is it true that always we...

10 June 2019 8,700 7 View

Classification of validation methods?

Classification of validation methods such as sum of squares errors and ... validation methods such as sum of squares errors and ...

17 April 2019 3,122 3 View

How to characterize insecticide resistance mechanism?

I have a question about investigating insecticide ( Neonicoitnoids) resistance mechanism. We have populations of insects that are resistant and susceptible to insecticide, and we are interested...

16 August 2018 8,782 2 View

Is it possible that distribution system substation absorb or inject only reactive power?

Is it possible that distribution system substation absorb or inject only reactive power ? (active power=0)

15 July 2016 3,900 11 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

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

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

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 3 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

Problem with shRNA transfection. Why are only two plates getting contaminated instead of all?

I transfected my LNCaP-WT cells with 3 shRNA plus their NTC two weeks ago and split two puromycin selected cell plates on Friday last week(Feb 26). I checked for GFP in the cells, and they all...

28 February 2021 4,949 3 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

Why is the efficiency of viral mRNA electroporation in PBMC low?

Hello, I have been struggling with the electroporation of PBMC with HIV-I mRNA. Although the quality of the RNA generated is good, and the handling of the cells in meticulous, the frequency of...

27 February 2021 9,233 3 View

VIF very high, but correlation is low and coefficient is significant. Which one whould I choose?

Hello. I have a question whether if my coefficients (statistically significant) would be valid when VIFs are really high. In my model, there are independent variables(IV), moderating variables...

26 February 2021 956 13 View

Data Analysis K-S and S-W tests?

Hello, I have conducted analysis where the K-W and S-W have come out as p

25 February 2021 9,648 3 View