Is there an open source tool the measures the GRAVY index of a peptide incorporating the PTMs and unusual amino acids (e.g. hydroxyproline)?

Right now, I am using ProtParam to compute GRAVY index of peptides. However, some of my peptides are post-translationally modified, and contains unusual amino acids. I assume that ProtParam does...

29 January 2021 8,300 4 View

What do you mean by 'excitation' of a plasma wave? What is the physical significance of this 'excitation'? Why is it necessary?

I have read numerous research papers on various mechanisms of excitation of surface plasma wave. But why do we need to excite a wave? Is it necessary? Can't the wave propagate without being excited?

25 January 2021 3,790 3 View

What is the difference between research summaries and abstracts? Can an abstract be contained in a research summary?

Some articles confuse the two subjects. I need to find out if they can be used interchangeably. If not, what is the difference between the two?

13 January 2021 847 3 View

How long does the peptide cleavage cocktail last before it gets expired?

The cleavage cocktail is composed of Phenol/thioanisole/water/TFA/triisopropylsilane. I only prepare 10 mL cocktail per peptide but can the activity of the cocktail prepared at 100 mL last for a week?

10 January 2021 7,424 3 View

How to present and discuss results, when methodology is not data-based?

Dear Everyone! I'd ask you opinion about a problem, which is returning in my "softer" research field. Time to time I work on research projects, which do not have available data and/or the data...

29 December 2020 7,637 6 View

Do anyone know a lab in Mexico where dielectric properties of solids and liquid can be measured?

I mean those kits that can be connected to vector network analyzers in order to find out permittivity and permeabilitty of solid and liquid from around 1 to 10 or 30 GHz

25 November 2020 852 1 View

How would you describe the most relevant research questions and directions in urban air pollution, if I'm specially interested in transportation?

I am relatively new to this field, my research interests are smart cities, shared mobility, transport service integration. We have data about CO, NO2, O3, PM10 from several cities. I would like to...

11 November 2020 9,099 4 View

How relevant is the Area under curve (AUC) in ROC being different from .50?

I analyze the psychometric qualities of a screening instrument to predict depression after stroke using ROC analysis. In this context, I read several papers which report an AUC without a p-value...

12 October 2020 6,557 4 View

How do you guys measure the rate of protein translation for a specific protein?

I am trying to think about a way to measure the protein translation rate for a single and specific protein that I am interested in. I've been thinking that Ribo-seq might be a good idea for this...

07 September 2020 9,054 3 View

Determination of Lipid A in Salmonella?

Im working with a S. typhimurium strain. Until now when i wanted to have a look at the amount of Lipid A present in the cells, i did silverstainings with proteinaseK treated whole cell samples....

26 August 2020 9,455 1 View

Passivation of chromium cast Iron in high temperature?

14 February 2021 2,157 3 View

Do you think NCC and 3 year service at army base must be compulsory to make the students loyal and discipline to the nation?

Decipline and loyalty for nation is the need of today.

09 February 2021 6,928 3 View

Professional editing and proofreading services?

08 February 2021 7,901 6 View

Would you like to participate in our study by completing the questionnaire?

04 February 2021 7,661 1 View

How is it possible to rank variables using Likert scale?

Hello Everyone, I have a questionnaire of a 3-point Likert scale for an overall evaluation for a service, and several detailed attributes evaluation of that service. For example: Overall...

31 January 2021 9,612 8 View

What is the best and affordable method to make and distribute a survey?

What is the best and affordable method for higher education student to build and distribute a survey in the United States of America with consideration of the following points: There are no...

23 January 2021 9,342 2 View

What are your opinions on Small Software as a Service (Saas) Sustainability?

Hello, I am conducting a research survey for my dissertation to compare academicians' and practitioners' opinions on Small Software as a Service Sustainability). Would you kindly participate in...

19 January 2021 6,591 2 View

Proper RP-HPLC workup following peptide synthesis?

Hello, I've recently synthesized a short (17aa) peptide via manual SPPS. I was instructed to submit a small pipette tip's worth of material onto a capillary column to obtain a rough estimate of...

12 January 2021 9,432 3 View

How to choose proper spindle for measurement of thixotropic behavior of ceramic slurry?

Hello, we are studying on thixotropic behavior of ceramic slurry . We will perform the thixotropic behavior analysis of ceramic slurry with the density of 1,7 g/ml by using BROOKFIELD DV2T. How to...

08 January 2021 1,776 5 View

Are there any public datasets of consumer complaints about service industries at the European level?

06 January 2021 1,718 2 View