I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 View

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11 January 2021 3,284 3 View

How can we measure the surface relative content of deconvoluted Mn 2p3/2 XPS spectra?

Somewhere in papers, it is written as Mn 2p3/2 XPS spectra can be deconvoluted into four peaks at 640.83, 641.92, 642.97 and 644.56 eV assigned to Mn(II), Mn(III), Mn(IV), and the shakeup peak,...

24 December 2020 4,323 4 View

ELISA detection cytokine in human serum (common dilution fold)?

Hi everyone, I'm gonna try to detect the IL-10, IFN-y, TGF-beta1 level in the human serum by ELISA. I bought the ELISA set from the BD contain Capture Ab, Detection Ab, Enzyme reagent, Standards....

09 December 2020 3,369 5 View

If we are going for co digestion of microalgae with wastewater but the sample is having low pH, What are the effective ways to increase the pH ?

wastewater with low pH

07 December 2020 2,716 3 View

How can we turn a short peptide having affinity for some compound into whole cell biosensor?

Greetings, I have a short stretch of 20 aa with strong binding affinity for a compound. I am trying to de some whole cell flourescence or visible biosensing technique based on this peptide. Can...

26 November 2020 8,322 3 View

How to determine the orders of High pass filter for ECG signal ( cutoff frequency = 0.033 Hz so near 0 Hz) ?

I'm trying to theoretically design a active High-Pass Filter for ECG signal with cutoff frequency Fc = 0.003 Hz...it's too close to 0 Hz and stop band frequency must be greater than 0 Hz . So...

18 November 2020 9,089 1 View

QUANTUM INFORMATION: Why a Toffoli gate can be used to obtain any permutation gate?

Hi, i am sudying some quantum computer science and I am really struggling to find an explanation to the question done above. Any kind of help would be wonderfull. Greets.

09 November 2020 4,657 3 View

How we selection column during RPC analysis?

Explain how we choice exact column during reverse phase chromatography

01 November 2020 5,968 14 View

Rotation matrix - 3D dimension to 2D dimension?

22 October 2020 9,354 4 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

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03 March 2021 5,360 2 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

Does anyone know an alternative product for cardiac Troponin T antibody for Immunofluorescence (Thermo # MA512960)?

We have been using Thermo Fisher anti-cardiac Troponin T antibody for immunofluorescence staining in FFPE mouse heart sections but it was recently discontinued. The literature shows it to be the...

01 March 2021 4,937 1 View

Has anyone had luck using cell lines other than HEK 293 (such as COS1) to package lentivirus?

I am looking to package lentivirus in endothelial cells but I am opposed to using 293 cells due to personal ethics regarding the source. I have done some reading and saw that COS1, COS7, & CHO...

25 February 2021 3,030 1 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

Does PHA-P stimulate the proliferation of lymphocytes from mice?

Hello, I will start performing MLR using lymphocytes from mice's spleen and I would like to know the better way for the stimulation. If is using PHA-P or CD3/CD28? I would like to know as well if...

23 February 2021 5,476 4 View

Statistical Tests for Quantitative Study?

Hello Everyone, I have one population, sample size 200. and needed to find the correlation between Variable A and B. Also, which T-test should I choose for hypothesis testing Please advise...

21 February 2021 7,591 4 View

Looking for advices and tips to improve the staining and the gating strategy in human blood?

Hi, I am staining a human blood with CD19, CD3,CD14 and CD16. My gating strategy in FlowJo goes like this: - First, I gate a general population SSC-A VS FSC-A => Then gate for single cells, =>...

21 February 2021 5,724 4 View

How T cells recognise non-peptide antigens?

This might sound very basic question, but please share with me an explanation of how the T cell is activated when the antigen is not a peptide? What happens? And what are the molecules involved in...

21 February 2021 564 3 View