How to perform a Qualitative Analysis of Polarization on Twitter ?

Hi, I want to study the increasing polarization on social media. I have to use a qualitative method to do so. However, I am more familiar with quantitative methods. Hence, I am struggling to find...

15 January 2021 2,426 3 View

Using different scales for intra-organisational findings?

Hi all, I am trying to assess 3 unrelated factors in our organization. Together, they should give me an index of how well our workers in different countries are prepared to continuously learn...

22 November 2020 3,495 3 View

Have you tried the Tissue Total RNA Mini Kit, with DNase (50) rxns from Geneaid?

We are going to work with very small tissue samples and we are looking into different kit from many brands and this one is significantly less expensive, but we haven't heard about it. Has anybody?...

18 November 2020 1,387 1 View

Troubles with cryosectioning (frozen sections) on skin tissues?

Can someone help me with some cryosectioning issues? I made skin tissues in vitro and my protocol is already validated. I've always go for the paraffin cutting but is currently out of service....

05 October 2020 4,339 10 View

Comparing correlated means in a t-test?

Hello, I have a categorical variable (main teaching assignment) with 12 options (early childhood, mathematics, English, etc) and I am trying to determine which groups earn significantly higher...

08 September 2020 5,046 5 View

Does anyone know a rat cell line which expresses EpCAM?

I am looking for a model cell line to validate anti-rat EpCam Antibodies but i am struggling to find a good candidate. Many thanks!

24 August 2020 218 2 View

How do I interpret my AGE results?

Hello! I am in need of help analyzing my results from Gel Electrophoresis. The first photo indicates that there was DNA extracted but did not go down. The second one shows that the DNA has been...

07 August 2020 6,125 3 View

Interaction-effect with categorical dependent variable in SPSS?

Hi there, I am struggling with my thesis. I need to test in SPSS if there is a significant interaction effect. I have four groups, and they all fill in a survey. The only difference of the...

27 July 2020 6,074 1 View

How to avoid loss of solvent using Dolomite Microfluidics System and maintain stable flow throughout the run?

Hi everyone. I'm currently working with Dolomite Microfluidic system for preparation on PLGA based microparticles, but I seem to be encountering some issues which have been giving me some trouble...

29 June 2020 827 1 View

After running Chi-square test for comparison between 4 groups, is there a method of checking which groups differ significantly with nominal data?

My data is nominal/categorical. I want to see if 4 groups differ significantly. The question for them is if they convict a person or if they acquit the person. So the data is categorical: convict...

08 June 2020 5,208 7 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

Why am I not able to use all VEP programs for the in silico analysis of avpr1b SNP's?

Good day researchers I am busy analysing the predicted effects of certain SNP's in AVPR1b. When using the VEP prediction programs (SIFT, Polyphen, FATHMM, LRT, Provean, Mutation Assessor, and...

28 February 2021 5,197 1 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

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

Any Differences in COVID-19 vaccines?

Are there any differences (outside of the clinical trials that led to their EUA) observed in the rate of infection among those who have received the Pfizer vs Moderna vaccine since the mass...

22 February 2021 9,727 6 View

How to improve the buffer capacity of sea water?

Hello everyone I would like to improve the buffer capacity of seawater (pH ~8) in order to dissolve as much CO2 as possible without dropping the pH below 7.5 (a range between 7 - 7.5 is...

17 February 2021 2,797 2 View

Could anyone help me with a SNP primer desing?

16 February 2021 3,049 3 View