Level 1 pre-post multilevel regression: Panel data or ANOVA approach?

Dear colleagues, I am currently teaching myself in multilevel analysis using educational data. I found few to zero literature on basic analysis methods. In my context we frequently use level-1...

17 February 2021 9,378 5 View

Reliable and Valid Instrument for Causes of Medical Errors?

Is there any questionnaire/survey that measures the causes of medical errors? Example: physician negligence vs. systemic issues. Looking for a reliable and validated instrument. Thank you!

15 February 2021 2,874 4 View

Should the AUC in a concentration-time graph of a subcutaneous implant be roughly the same for poeple?

I have 2 concentration time curves of a subcut drug implant. the first group has a peak around the 50 day mark where as the second group does not. Both groups received the same implant by the same...

10 February 2021 2,305 3 View

Software for flow cytometry-like gating of data sets?

I am currently trying to do image based cytometry from fluorescence microscopy images. From the images I extract data such as cell size and a number of fluorescence intensities. Is there any...

09 February 2021 6,278 1 View

Can A. thaliana splice algae genes?

24 January 2021 329 2 View

Does long term preservation (10years) of Collembola in 99% Ethanol affect recovery rate of extraction by flotation?

Hello! I am currently developing an automated counting approach using Fiji to count Collembola from pitfall trapped samples that have been stored in Ethanol (99%) since 2010. I use flotation (tap...

13 January 2021 659 2 View

Co-stain Lectin PNA FITC conjugate with an uncojugated primary antibody?

Hello, I am planning to stain retinal tissue sections for IHC and want to co-stain cones and rods. For this we plan on using a Lectin PNA From Arachis hypogaea (peanut), FITC Conjugate for cones...

12 January 2021 583 1 View

How to use Abaqus USDFLD subroutine to vary stiffness?

Hi I have a problem where I am trying to vary the stiffness spatially across a structured interface. The whole idea is to vary the stiffness vertically, with a bulk stiffness of 8GPa decreasing...

06 January 2021 262 3 View

I really need help with cov-2 pseudotyped lentivirus production. Support?

Hi, i'm desesperate. i'm trying to produce lentivirus usinf BEI resources kit NR-52948. 24 hours after transfection i detect a massive GFP expression in my 293T cells. After 72 hours i filtered...

30 December 2020 9,889 6 View

How can i estimate the total phenolic content from a plant extract?

Suggestions and recommendations are welcome. A protocol used and experience would also be helpful.

25 December 2020 9,807 4 View

How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials?

Hi, all! How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials? I have not find the choice for explicit element in Abaqus CAE. I am wondering whether it is possible...

25 February 2021 9,936 2 View

Are there papers on?

I'm looking for a papers concerning either Christianity or neopagan religions and social media. What role does social media play in the spread of these religious movements? Any suggestions on the...

15 February 2021 655 4 View

Is religious education mandatory in public schools in your country? Can anyone provide some data or sources from the internacional context?

Religious education. Religion in public schools.

03 January 2021 7,097 25 View

No title

Kindly mention the insects and support it with a verse from the book of your religion. For atheists also which is your take?

31 December 2020 385 5 View

How do I post details of my new book?

Barracks, Forts and Ramparts: Regeneration Challenges for Portsmouth Harbour's Defence Heritage, by Celia Clark with Martin Marks OBE. Tricorn Books 2020. ISBN 9781912821648. 450 pages,...

30 December 2020 2,872 1 View

Are there available commercial cell lines consisting of heterogenous cell populations from two or more distinct organisms?

I am under the impression that most (if not all) cell lines commercially distributed for use in experimental studies are pure cultures. I am curios if there are cell culture systems that have been...

10 December 2020 7,376 1 View

Impact of veil (hijab) and Nimaz (Five times prayers in Islam)??

It was observed globally that by putting mask on face reduced the transmission of coronavirus which is already stated in Islam. Moreover, by praying 5 times a days is essential in Islam in which...

06 December 2020 637 7 View

The attitudes of religious groups towards the relations within a family?

I am looking for the most recent scientific findings concerning attitudes of religious groups towards the relations within a family (equality, subordination, pshysical violence toward wife or...

19 November 2020 6,416 4 View

The relationship between religious adherence and indicators of wellbeing (happiness, satisfaction with life, etc.)?

I am interested in research results concerning the relationship between religious adherence and indicators of wellbeing (happiness, satisfaction with life, etc.).

16 November 2020 3,869 3 View

Is it safe not to remove contaminated concrete though mechanically sound if sacrificial anodes would be installed at the corner of the patch?

During repair of concrete structure, I understand that it is not necessary to remove mechanically sound concrete though contaminated while repairing a structure if Impressed Current Cathodic...

08 November 2020 6,861 3 View