Can I use anova to compare 4 groups which are separated according to their writing performance? or should I use separate t-tests?

groups are ordered in an interval, A,B,C,D. how can I see if the difference between them is significant with one time running the process in SPSS? ANOVA?

26 November 2020 414 3 View

What is the best program to create graphical abstract and scientific figures in Agriculture science ?

Seeking advice for a software to create graphical abstract and scientific figures

06 August 2020 7,074 15 View

What is the best Multi-core/Multi-processor simulator in terms of easy to use and accuracy?

Accuracy: run time is close to real run time.

14 July 2020 1,059 3 View

A Reviewer of a Questionnaire (Impact study for a school)?

19 June 2020 7,445 3 View

How can I locate global "remote" tenders?

Hi there, I hope you're doing well. I assume that there are some tenders that require that the applicants be from the same country of the tender. Is there a way to filter results where only...

28 December 2019 4,527 5 View

Can I Perform Panel Data Analysis for Two Years Only (SPSS Mixed Models)?

Hello, I have a question about Mixed Models in SPSS. I have a dataset with many different information about more than two thousand firms in Turkey for two years; 2008 and 2013. I'm testing the...

13 March 2019 9,376 2 View

Is there any Poiseuille velocity formulation for fluid flow through the curved duct with rectangular cross section?

Dear all Is there any analytical formulation based on Poiseuille equations for velocity distribution of fluid flow through the curved duct with rectangular cross section? Best Regards

18 January 2019 9,787 5 View

How to include firm fixed effects in linear regression on SPSS?

Hello, I have a question about something in SPSS that I need to answer for my master's thesis. I have a full dataset with many different information about more than one thousand firms in Turkey....

23 September 2018 3,203 2 View

What may be the reason for low phage titre per round(s) of bio-panning a phage display library against a target antigen (Recombination protein )?

Plant immunology, Phage display technology

16 September 2018 8,163 3 View

Hi, I want to add 80% filler to a polymer that has a dough form (low tg) at room temperature. Which polymer and how to make this composite?

After adding fillers, the shape of the final composite does not change

22 February 2018 624 4 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

Why might my GFP tag be dissociating from my plasmid after transfection?

I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...

01 March 2021 9,310 4 View

Is it possible for two human neuronal cell lines to have different gene sequence for the same protein?

I am looking at the ATP1A2 (Sodium/Potassium ATPase alpha subunit 2) in two human neuronal cell lines. Expression levels of this protein seems to be almost equal when detected by one antibody....

01 March 2021 3,607 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

How to classify strictly upper triangular matrices by similarity?

Let F be a field. Consider U, the set of n times n strictly upper triangular matrices in F. For X, Y in U, we call them similar if there exists some S, which is non-degenerate and upper...

01 March 2021 2,957 8 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 View

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View