How can I generate random samples from Bingham distribution in R? How can I construct those symmetric matrices?

in the function rbingham(n,A) in R software how can I construct that A (symmetric) matrix?

24 February 2021 3,528 3 View

How can i increase biomass of my E. coli culture to better plasmid yield?

Hi everyone, I want to increase the biomass of my E. coli culture for better plasmid yield. Use of different strains of cells and media or any other suggestions are welcome. Thanks!

11 October 2020 6,400 3 View

Do you have the following alloys?

Dear colleagues, It will be a great help if someone can provide me small pieces (1.5 cm * 1.5 cm * 1.5 cm) of cast Al 5024 alloy and Al 7068 alloy (with and/or without T6 heat treatment. Happy to...

31 July 2020 3,593 1 View

What to do when there is no main or interaction effect but multivariate tests and pairwise comparision tables show significance?

I run repeated measures ANOVA for an intervention study. I have 3 intervention groups and 3-time points. The output in SPSS showed that there is no significant main effect of time and no...

02 April 2020 2,328 7 View

Nonparametric equivalent of ANCOVA?

For testing the effectiveness of group intervention, I would like to conduct ANCOVA. I have one experimental and two comparison interventions. However, my data is not normally distributed. Also, I...

20 November 2019 432 9 View

Would you recommend using SYBR green based real time PCR kit for disease diagnostics?

It is seen that most diagnostics kits are Taqman based, now as PCR is quite sensitive, can we settle ourselves with SYBR based kits in a resource-crunch set up?

17 August 2019 3,051 3 View

Is the amount of RNA extracted from normal human serum too little, to give amplification of a marker gene by RT PCR?

I have isolated RNA from 50ul serum and eluted the RNA in 30ul of DEPC- treated water. But when i am preparing 10ul of cDNA from 1ul of the RNA and using it for amplification of a 115bp...

22 January 2019 6,813 3 View

How to draw collinearity of a gene?

I want to study collinearity of a set of genes. However, while going through a few related papers, I found out that the most used software is MCscanX. I did download it, but since I am not a...

07 November 2018 2,285 3 View

How do you decide which housekeeping/reference gene is the most suitable for your samples?

I used UBC, GAPDH and Beta actin as housekeeping genes in my proximal colon samples. Bu my each Cq calculation shows difference according to housekeeping gene that I analyzed. For instance the Cq...

29 June 2018 4,479 2 View

What is theory behind the PIV ( Particle Image Velocimetry) analysis in Geotechnical field??

PIV means Particle Image Velocitimetry.

15 May 2018 6,196 2 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

No title

02 March 2021 932 1 View

APA 7th In-Text citations with two references with three authors with the same surname, but four different author?

I have an issue with APA 7th in-text citation. II have two papers where the first three authors are the same, and the fourth is different. I am using the Mendeley desktop app, and automatically it...

02 March 2021 790 3 View

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

How Download/Extract citations of 1 given year ALL my publications in Google Scholar?

If you google this you find a lot of smart guys explaining you how to download 1 year of citations of 1 single paper of yours (or anyone else). I mean 1 year of ALL my papers. or ... ALL years or...

01 March 2021 1,121 9 View

How can I edit suggested publications?

Hi there! I regularly receive suggestion about papers and authors that are totally out of my area. Does anybody know how I can fix this? Thank you!

01 March 2021 9,574 4 View