How do I determine the minimum number of observations needed per category in categorical predictor variables?

When conducting a simple linear regression analysis with one categorical predictor variable and power projected at .80, G*Power suggests a minimum sample size of n = 55. Now, assume that the...

10 January 2021 6,317 6 View

Advice to Create a Stable Cell Line with a T-to-A Mutation?

Does anyone have a recommendation on a methodology to create a stable cell line with a T-to-A mutation in a protein coding gene? We should be able to use CRISPR to induce a double-stranded break...

07 October 2020 2,504 1 View

How do I deal with the insufficient memory error in CST MWS?

I'm trying to analyze ship RCS in CST MWS. The ship length is about 120 meter. When I run the simulation with 1 MHz, it works. However, when I run it with 100 MHz, it turns out the error about...

10 May 2020 9,512 2 View

Collecting immune complexes from ELISA plate and running on mass spectrometer?

I performed an ELISA to quantify circulating immune complexes from blood sera using the C1q capture based assay from Quidel. I am interested to learn what the immune complexes are composed off and...

28 May 2019 9,045 1 View

Why must an antibody be at a conc. of 1-10 mg/ml for reduction/conjugation reactions?

I am attempting to conjugate an antibody to a maleimide-drug conjugate. All the TCEP reduction protocols I find specify a protein concentration of 1-10 mg/ml in some sort of buffer (sodium borate,...

08 March 2018 4,898 1 View

Can I copy one of my publications and save it as a file to send to you? What about copyright laws?

31 July 2017 4,694 4 View

Why does my Kd change when I alter the concentration of the constant component of my binding system?

I am measuring the binding of thrombin binding aptamer (TBA) to thrombin using fluorescence anisotropy. TBA is labelled with a fluorophore (5'-FAM) and was initially kept at a constant...

21 June 2016 6,705 2 View

Can I substitute Tween-20 with either Triton X-100 or SDS?

16 June 2016 8,949 3 View

How to compute the power output per unit area of solar PV installations?

I have computed the PV potential of certain locations and wish to determine the area of collectors needed to generate specific qty of electricity.

05 September 2013 7,232 13 View

Does anyone have experience with the following limit of the standard deviation of a set of different means?

Consider the set of 5 elements composed of two positive real numbers x and y, their arithmetic mean (x +y)/2, their geometric mean sqrt(xy), and their harmonic mean 2xy/(x + y). set = {x, y,..."> Does anyone have experience with the following limit of the standard deviation of a set of different means?

04 July 2013 8,950 3 View

Which of the Covid-19 Vaccines would elicit the best immunoprotection and why?

I want to know which of the available Covid-19 Vaccines would elicit the best immunological response and why

02 March 2021 1,388 3 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

How does one access the Cranet survey data on HRM practices?

Hello, The Cranet website does not provide any lead to the data obtained from their multinational survey on HRM practices. Any help on accessing the data would be most appreciated. Thank...

01 March 2021 9,536 3 View

Is there any research regarding how training and development is going to change in the era of Fourth Industrial Revolution?

As the organizations getting prepared for the fourth industrial revolution, to enhance the skills of their workforce what type of changes are necessary and going to occur in the training and...

01 March 2021 3,199 3 View

How vaccines of covid 19 work?

Millions ask how vaccines of covid 19 be successful and safe, its here to explain generally how vaccine of pfizer work ,mRNA vaccines teach our cells how to make a protein that will trigger an...

28 February 2021 2,723 4 View

Where can I find public datasets with Covid-19 patient information?

Hi, I'm looking for public datasets that have CT, X-ray information, or medical records for patients with Covid-19. Does anyone have suggestions?

28 February 2021 4,760 3 View

Is there any published or unpublished statistics on dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, US, UK or any other country?

Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...

28 February 2021 4,237 1 View

If a given country passes mandatory 'vaccine passport rule' to go outdoors, otherwise stay at home, can it help to vaccinate all against COVID-19?

Wether vaccine passport declared not to go out of home without it may help taking COVID-19 vaccine. Can't it break individual's right to protect the community? Your comments on perspectives...

27 February 2021 5,549 23 View

How long do vaccines protect us against COVID 19?

Or will we have to get vaccinated every year, as in the case of influenza?

27 February 2021 1,048 5 View

How relevant is Mini slump cone?

for all the rheology researchers, my question is, how relevant is a mini slump cone (smaller than a standard 50 cent rheometer). currently based on testing, the thickness of slumped material is...

26 February 2021 3,668 1 View