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

Could you please suggest to me an interesting and good book about Nanotechnology?

I want to know about nanotechnology from beginning to professional. Thus I want some book in this area

01 February 2021 1,889 13 View

How do I write in a more professional scientific way?

I am an undergraduate in university. I am new to scientific research and would like to know how to make my paper more professional. Thanks in advance.

04 January 2021 264 12 View

How can we assess professionalism for medical students in COVID-19 ear , when assess is being done online for most of the course?

Assessing professionalism is very challenging these days when most of assessment is online . We can declare students proficient un till unless we assess professionalism.

21 December 2020 2,467 3 View

How can I learn to read Zetasizer Diagrams professionally?

Hello all, I got this Zetasizer result recently and did a quick scanning here to learn how experts read these results. And end up with these data: 1.The most useful or serviceable info is the...

15 December 2020 6,658 5 View

How Important are Professional Organizations to you & What Types?categories of Benefits/interactions are you looking for?

This is a two (2) part question specifically for but Professional please chime in. I humbly believe that no matter what the stage we are all students and constantly learn from each other.

09 December 2020 9,296 4 View

What are the digital competencies that university professors/trainers need to perform well & answer the demands of digital transformation businesses?

I would like to have access to academic research that compares the skills needed by university professors and corporate education instructors or facilitators. I would like to understand if the...

29 November 2020 442 3 View

Answer the following research ?

Termination from a job is an unpleasant experience which most teachers have to go through at some point during their professional career. Getting terminated from the job may have psychological,...

24 November 2020 8,416 3 View

As an EFL/ESL English teacher has your professional identity changed in any way during this time of virtual teaching?

Since teacher professional identity is ever changing and not fluid, do you feel as an English teacher your identity has in any way changed due to online teaching? Are you the same person when...

14 November 2020 7,788 11 View

Professional Engineer's Code of Ethics: What & How To Assure Compliance?

Historically, the subject question has been met mainly with "After The Fact" assertions. Yet when one learns of the infrastructure failures . . .bridges, tunnels, pipelines, highways. . . it...

11 November 2020 3,574 3 View

Could anyone professional help me to solve this problem?

I have installed the software BRUKER Flexanalysis 3.4 on my computer successfully. But when I tried to import the MS data produced by BRUKER MALDI-TOF-MS, I met with an error described in the...

10 November 2020 8,205 1 View