Dataset: Orbitrap velos CID MS/MS spectra ?

Hi, I want the MS2-CID spectra from orbitrap velos mass spectrometry of organism: human (Mod: C+57) for testing my peptide identification algorithm developed. Large set of orbitrap velos dataset...

16 November 2020 8,261 1 View

Why nodal rotational velocities are zero in *STEADY STATE TRANSPORT?

I am performing a Steady State rolling analysis of a tire using input files. I have applied rotational velocity to all the nodes in the tire by creating a set using *TRANSPORT VELOCITY. I want to...

27 July 2020 8,873 2 View

How to develop a ordinal scale? What psychometric properties must be assessed?

I am planning to develop a ordinal scale to assess a motor function like sitting to standing. I like to know method to develop and test its relevant psychometric properties. I will be happy if...

17 July 2019 8,857 4 View

What are some sources for hypothesis in qualitative research?

I have been reading on hypothesis in qualitative research. I find convincing suggestions. most do not cite their sources.

06 May 2019 3,736 4 View

Is there any open source tool to identify peptide from peak list input file using Sequest & Mascot algorithm?

I have an input file containing precursor mass and peak list (m/z and Intensity) of tandem mass spectrum. The file contains multiple spectrum data. I need to identify peptide using sequest and...

09 April 2019 8,354 4 View

Saltspray life of brass plating ( Steel) sample ?

We are doing brass plating for chain plates , Saltspray life to be finalized , What is actual salt spray life of Nickel & Brass top coat .

31 March 2019 2,720 1 View

What are the chemical agents or compounds which designs the nanostructures?

I like to synthesis a nanomaterial,but I have a doubt on choosing the precursor for to get a desired nano structure?

17 October 2018 5,959 3 View

Why BxPC3 pancreatic cancer cells die due to Akt plasmid transfection with Lipofectamine 2000? There is approxiamtely 60%-70% cell death?

14 August 2018 2,624 3 View

How to grid downscale CMIP5 climate data grid to 0.5 degree using Matlab ?

08 July 2018 2,235 2 View

How do i upload an image to database using PyQt4 and Sqlite3??

Haii All, Now am creating a python Desktop application using PyQt4. And I am new in this. But Now The Problem is I cant save/Fetch The images to/from the Database. And I need All Your Support to...

29 April 2018 4,403 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

What element is driving the different slop in the low frequency tail?

My study consists simple corrosion inhibitors in salty brine. Right now I just fit my circuit with randles with CPE. Just wondering how the slop can given more info of the experiment. Or any...

01 March 2021 6,474 3 View

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

Can I use a protein-devoid condition as my negative control in ELISA?

Hello, I am running a sandwich-type ELISA where I am trying to inhibit a protein-protein interaction using small molecules. For each experiment, I determine my Z' (Z-prime) to determine the...

23 February 2021 7,429 1 View

How to search for crystal structure for material with atomic position labelled?

I am using the crystallographic open database and materials project to search for cif file but the exact structure is not mentioned or how can I deduce that the given structure and atomic position...

23 February 2021 6,723 2 View

How to build fluid structure interaction simulation for elastic ring squeeze film damper in COMSOL?

How to build fluid structure interaction simulation for elastic ring squeeze film damper in COMSOL?

22 February 2021 5,408 1 View

How to generate AA6061 alloy or any aluminium alloy crystal in material studio?

I need to carry out molecular dynamics simulation on Aluminium alloy. For this i need the crystal structure that which could be further replicated to form a structure.

22 February 2021 1,410 1 View

Build an orthogonal box in ASE?

Hello, I was wondering the best way to build an orthogonal box filled with a defined crystal structure in ASE. I know it could be easily done in LAMMPS, but I guess it is also doable in ASE. The...

21 February 2021 5,899 4 View