Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

Can two EC50 values with different hill slopes be compared?

Hello, I fit a classical dose response curve Y=Bottom + (Top-Bottom)/(1+10^((LogEC-X)*HillSlope)) to my data (not related to inhibitors etc). The model I use is purely qualitative but it fits...

23 February 2021 8,155 5 View

Why is my protein not binding to my reversed-phase column?

Hello everyone! Short facts: I am trying to perform reversed-phase chromatography via a desalting column (Waters: Sep-Pak tC18 3cc) of an already purified hydrophobic protein to exchange the...

01 February 2021 5,471 15 View

Metabolomics Data Normalisation?

Hello, Setting: We have a rather large dataset consisting of somewhat 500 samples containing metabolomics data. The data was obtained by analysing dry capillary blood using HPLC methods, yielding...

04 January 2021 8,773 5 View

How To Run Granger Test with Panel Data? Do you have a practical guide?

Hello together, I would like to perform the Granger Test with my panel data. I am investigating 40 banks and examining the impact of digitization on ROA. Specifically, I have the variable...

01 December 2020 3,642 5 View

Does anyone have good examples of how aesthetic standards have influenced creative design in building structures?

My research is looking at the influence of creative design and technical standards on the development of architecture during a period of history. This has relevance to the modern day in terms of a...

05 November 2020 5,214 6 View

How does PEG lower the evaporation rate of water?

04 November 2020 4,643 6 View

Does the rate of water condensation depend on vapor pressure?

25 October 2020 5,108 3 View

Why does surface roughness enhance (super)hydrophobicity?

Hello, according to Wenzel's model, an increase in surface roughness will also increase the contact angle, but what is the thermodynamic reason for it? Considering the lotus effect, does a...

22 October 2020 9,004 8 View

Nonlinear fit to median instead of mean values?

Hello, my question might be more theoretical. The datasets I currently analyse are not normally distributed (according to shapiro-wilk and kolgomorov-smirnov @ p = 0.05). Therefore, I prefer...

24 September 2020 6,473 8 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

What do you know about biotechnology art?

What do you know about biotechnology art?

02 March 2021 1,653 3 View

How to use bag of words for action prediction?

Hi everyone, I'm working on an action prediction (i.e., early recognition) using Bag-of-Words. I know how to use BOW, but regarding action prediction, there is a subtle problem. In the...

19 February 2021 1,442 4 View

Any Homemade Organic Synthesis Practices?

Hi everyone, I am a teacher of Heterocycles Synthesis, Is there a home practice that you recommend for undergraduate students? A simulator would also be useful Due to the pandemic, students...

18 February 2021 2,769 4 View

Is there any available free access High Performance Computing (HPC) servers with GROMACS?

I would like to run a Molecular Dynamics (MD) simulation using GROMACS in a high-performance computing server. Is there any freely available one out there? If yes, please do not fail to make...

16 February 2021 2,593 3 View

How can we assess applied digital skills and soft skills through online examinations during COVID-19 semester?

The final qualification assessment for major programs is a strict regimen that involves different stages - oral and written exams, final project viva, internal and external review. How are ICT...

16 February 2021 1,762 8 View

What are the available keys and descriptions for the identification of lice and fleas in domesticated animals?

I am an undergraduate student at the University of Peradeniya Sri Lanka, currently working on ecto-parasites in domesticated animals. I found difficulties in the identification due to a lack of a...

15 February 2021 277 1 View

Can I use the CHARMM GUI input files for Gromacs in HPC?

Good day everyone! I am a Biochemistry undergraduate in the Philippines and to be very honest, we have no background in bioinformatics since we really focused on wet lab techniques + theory. Due...

15 February 2021 3,422 4 View