Software for tracking samples in a collaborative research programme?

I am looking for a software that helps us to track samples in our research programme that involves at least 5 different institutions. Ideally, I would like to be able to create a database for our...

13 October 2019 7,114 3 View

Machine learning in economic research?

What is your take on machine learning as an applied method in economic research. is it a game changer or will it not impact your approach to research?

22 July 2018 7,401 5 View

What is a good program to draw mitochondrial genomes?

I am looking for a good and free to use program to draw circular mitochondrial genomes from a file (not genbank). thanks in advance

04 February 2016 4,979 5 View

Where can I download full genomes of cancer cell lines?

28 December 2015 6,207 2 View

I try to seperate pyrophosphates by UPLC-MS/MS. Is it acceptable, to specify the same product-ions for each of them?

05 November 2015 3,894 3 View

Any suggestions in Western Blot for band extraction after SDS - PAGE and analysis with MALDI - TOF?

Dear all, I try to prove the presence of the LDL - receptor. I performed my Western Blot several times, with different antibodies and I always received the same bands. One of these bands (between...

21 May 2015 8,174 3 View

Should the turbulent kinetic energy from RANS results be considered in the determination of the "total pressure"?

Dear colleagues, in many publications the head loss coefficient K for a conduit component is determined as K=Delta ptot/(rho u2/2) with ptot i= rho um i2/2 + pi as the so called "total pressure",...

23 October 2014 1,232 7 View

Media for cultivation of microorganisms from activated sludge

I am trying to cultivate specific organisms from activated sludge but do not get very much different organisms. According to DGGE analyses there must be plenty more organisms in the sludge...

07 February 2013 5,867 8 View

thoriated tungsten electrode characterization

I am using XRF method to characterize electrode and why thoriated tungsten electrode is detected as bismuth tungsten electrode?

01 January 1970 1,196 2 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

How can I represent SDS-PAGE results for machine learning analysis?

I am trying to classify and analyze the results of an SDS-PAGE based array for bacterial detection using machine learning, but I have trouble finding the best way to represent the results with...

27 February 2021 9,176 3 View

How the values of errors can be calculated for thermodynamic data?

I have calculated thermodynamic parameters for surfactant solutions in aqueous and mixed alcoholic solvents. I want to calculate the value of errors in the data and represent it in the table along...

22 February 2021 239 2 View

How to visualise pathways from a phosphoproteomics dataset?

I am looking for something similar than Ingenuity Pathway Analysis (IPA) in which I can enter the proteins differentially phosphorylated and I can visualise the pathways these proteins are...

21 February 2021 8,923 4 View

3D visualization of MRI images on a web browser?

Hello, would you have recommendations for the best technical solution (open code) to ensure 3D visualization of MRI slice images on a web browser? A solution that will allow users to rotate the...

10 February 2021 6,299 1 View

Does anyone have a stack of images of action potentials or abnormal brain scans?

I need a stack of black and white .jpeg/.tiff/.jpg/.png images across time of either action potentials, neurons firing, or brain scans (comparing disease and normal brain, disease progression,...

09 February 2021 2,648 3 View

How to calculate the acceleration/velocity of different molecules in an MD Simulation?

Hi, If I am performing an MD Simulation in which the two groups/molecules are moving in a direction on applying a force on the system, how would I calculate the velocities/acceleration of the two?...

08 February 2021 9,525 4 View

Electron density difference maps(Fo-Fc): what is the meaning of negative densities (red blobs)?

Dear community, As far as I understand, negative density features point at stuff that is in the model, but not supported by experimental data. However, in many cases (e.g. attached image), when...

06 February 2021 2,847 2 View

How do I keep duplicates based on specific variable in STATA?

Hello everybody. Im new to STATA and this forum but I hope you can help me. I am doing a research project where I intend to estimate the prevalence of venous thromboembolic events (vte) up to 30...

24 January 2021 665 5 View

How to analyze non-independent epidemiological data using SPSS?

For my epidemiological data, I have used SPSS and done multiple imputation (MI) to account for the missing information. Now, I am about to analyze my data, but the issue is, that not all...

21 January 2021 3,355 7 View