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 most do not cite their sources.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

Adherance of Polyaniline coating over stainless steel?

Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...

01 March 2021 8,220 2 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

How to immerse bricks in wax ( for coating ) ?

Do we immerse the bricks horizontally or vertically ? #bricks#waterproofingsurface#civil#engeenering#chemicalengineering#wax#parafinwax

28 February 2021 6,685 2 View

For gelatin coating for culturing HUVEC.Should the gelatin be made in sterile water or PBS? Do I need to autoclave the gelatin soln after making it ?

I want to use 0.1% gelatin. Should that be made in PBS or sterile water? Should I autoclave the gelatin soln after making it in water/PBS?

28 February 2021 274 2 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

What pH condition required to coat APTES on silica coated Fe3O4?

It's a hydrolysis reaction, which may produce by either acid or base-catalyzed reaction. so can anybody help me with this, which condition is suitable for this reaction?

26 February 2021 1,760 8 View

What is the best surface to culture cells isolated from a skin biopsy?

Hello, recently I am having some difficulties with maintaining the cell culture of primary cells isolated from a skin biopsy (normal and malignant). The coating of culture plates with Matrigel (a...

26 February 2021 6,151 2 View

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View

What condition required for coating of Fe3O4@SiO2 by using APTES?

I tried coating Fe3O4@ SiO2 by using APTES in 5% water-ethanol but it is not coated. Kindly suggest a solution for it. Thanks

24 February 2021 5,992 4 View