How can I make a center of mass vs time graph?

I have a trajectory file of about 1000 frames which I have calculated a center of mass for each frame. I would like to use the first frame as a reference and see how much the center of mass...

04 February 2021 5,774 1 View

What factors influence the growth of the informal economic sector?

Business in informality can be caused by factors such as the facilitating business environment, tax rates, forms of consumption by buyers, lack of administrative knowledge, complexity of the...

01 January 2021 7,189 5 View

How do I avoid from getting fatal error message when running Amber?

Welcome to antechamber 17.3: molecular input file processor. acdoctor mode is on: check and diagnosis problems in the input file. -- Check Format for pdb File -- Status: pass -- Check Unusual...

17 August 2020 7,046 3 View

Please help, Why does fiber-optic pressure transducer get very variable and highly improbable readings after being submerged in water?

We recently bought a fiber-optic pressure transducer from Opsens (the machine is called Lifesens). We ar einterested on using it to measure intracranial pressure in vivo. However, we had just...

13 May 2018 6,215 2 View

For knowing the bacterial biomass is necesary to know the biovolume? using acridine orange with epifluorescence method?

Hi Im doing my investigation proyect about marine bacteria and I want to measure biomass but i read a protocol about marine ecology but it doesnt specified how to calculate biomass.

27 June 2017 2,806 3 View

How can I compare a NMR and X-ray structure? Which is the easiest way to generate a consensus single NMR structure?

Is there a web server that could provide me rmsd information on the alignment?

04 May 2017 4,088 4 View

What is the importance of the Open-Circuit Potential (OCP) in an electrochemical cell?

A lot of sources explain the concept of the Open-Circuit Potential as simple as the voltage measured when no current flows through the cell, but... What kind of valuable information can be...

29 April 2017 7,964 20 View

What is the importance of the Open-Circuit Potential (OCP) in an electrochemical cell?

A lot of sources explain the concept of the Open-Circuit Potential as simple as the voltage measured when no current flows through the cell, but... What kind of valuable information can be...

03 April 2017 1,679 13 View

Does anyone know if Silica G60 without F254 indicator TLC plates can be used for the detection of compounds at 365 nm?

I'd like to analyze cardiac glycosides by TLC. These compounds show blue to yellowish fluorescence at 365 nm, but all the published papers do use Silica G60 F254 TLC plates. Is it possible to see...

19 February 2017 9,700 3 View

Which is the best protocol to differentiate C2C12 cells?

In my Lab is 2% horse serum, 0.1% insulin 5 days, changing the medium every 48h. I have seen several different protocols but didn't try until now

05 February 2017 8,747 10 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

Genome-wide gene identification protocol ?

Is there any book chapter/book, webpage or research article available to understand genome-wide gene identification?

28 February 2021 8,095 1 View

How to improve and implement WBAN MAC and Radio modules under Castalia 3.2 ?

Hello researchers, Hello Castalia3.2 researchers I am a beginner with Castalia, I work on optimization of RFID systems used in wireless body networks. I simulated a WBAN with 10 nodes and one...

28 February 2021 400 1 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View