Is it possible to conduct a simple linear regression with a continuous value as an DV and 3 categorical ones for the IV?

I am currently writing my dissertation on the potential effect of bilingualism on intelligence scores. The latter is represented by a scale on the Y axe. My independent variable is the linguistic...

24 January 2021 5,336 2 View

What is the adequate length of a moving average window to remove completly the large scale fading?

I have data of received power (traces of 5000 samples)where the large scale fading and small scale fading are mixed. My goal is to analyze the small scale fading. For this reason, I have averaged...

13 February 2020 998 2 View

How to determine the sample size for analyzing a time serie?

I have M traces containing values of the received power. The duration of the trace is 5 seconds and contains 5000 samples. I want to do a statistical analysis of the small scale fading of this...

11 February 2020 8,431 3 View

Difficulty in cloning of 1kb gene into vector?

I am facing difficulties in cloning a 1kb gene into a vector (pJIT163). I have my gene on interest (GOI) in pUC57 and want to clone in pJIT163 using SalI and BamHI restriction sites. I am getting...

25 February 2021 3,221 7 View

Is it harmful to breed for Cre Homozygosity initially?

Hello, I am currently using a Cas9 knock in system that will be expressed in the liver. To do so STOP codon fl/fl Cas9 KI mice were bred with Albumin-Cre mice to generate heterozgous pups, that...

24 February 2021 5,759 3 View

Which microtomy technique do you suggest for thin and delicate root sectioning ?And, how to preserve and process the roots before sectioning?

We have thin roots of from 1 year old different species of plants. We are looking into anatomical details of the roots. What's the best method to preserve and process the roots once they are...

23 February 2021 1,898 1 View

How to successfully revive cells stored at -80 degree C for a year?

I am working on C6 cells along with other neuronal cell lines. We have preserved the cells in 90%FBS and 10% DMSO solution. We are reviving the cells after a year and cells are either not binding...

18 February 2021 4,499 1 View

Alternatives to traditional cloning of insert into backbone (dsDNA)?

Hi, I am stuck with a cloning experiment: The insert & backbone(bb) share one compatible end at 3' end(NotI) and one incompatible end at 5' end (XbaI for insert; HindIII for backbone). So i...

16 February 2021 1,664 3 View

Can part of recombinant protein not be expressed?

Hello. I am currently trying to express a recombinant gene with Avitag at the N-terminal. I'm aiming at a final product that looks like this: Avitag-(target protein) The protein I use is already...

14 February 2021 2,039 4 View

Transformation into the Stbl3 chemo competent cells?

03 February 2021 1,111 5 View

What is the best way and technique for serial dilution of bactria to get accurate number of colony ?

Hello I am infecting cells with bacteria in a well and then I am doing serial dilution of this well 1 in 10 and culture the two last dilution on MHA agar I have difficulty in getting accurate...

26 January 2021 9,256 5 View

Good day, I have not been able to amplify the plasmid Frt-hspB1. Somebody could give an advice me?

I acquired the plasmid in Addgene, reconstituted the filter paper where the plasmid comes from with 30 microliters of TE buffer pH 8, immediately afterwards perform the transformation of E.coli...

25 January 2021 2,526 3 View

Has someone used TTC agar overlay method and can help me?

I have tried to use TTC agar overlay method for a few times to identify respiratory-deficient yeast which were affected by EthBr. The problem is that cells which should have stayed white also have...

22 January 2021 585 10 View