Waters SYNAPT G2-Si

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Ti6Al4V - Phase differentiation between alpha and alpha prime martensite?

Dear Researchers, Is it feasible to distinguish between alpha and alpha prime martensite in the Ti6Al4V alloy under rapid solidification in the as-cast state using XRD, in addition to...

30 July 2024 3,849 0 View

Dear researchers. pl help how to plot jablonski energy level graph and magnetic hysteresis curve in origin?

through origin software

17 July 2024 4,991 0 View

How to make pre-post data analysis more 'sophisticated' than a paired samples t-test?

As part of my thesis I'll be conducting a single-sample pre-post intervention analysis, in which my only DV is ordinal (7-point Likert scale). In my research proposal I said that I would use...

05 June 2024 3,122 2 View

Is the "snowball metrics" mathematically well-founded?

Snowball metrics is used by scival.com to report some performance indicators. This metrics seems rather obscure from the mathematical standpoint. Unfortunately there is apparently (after a quick...

05 June 2024 7,463 0 View

How to deal with zero/negative growth rates in tree growth models?

Tree growth is an important aspect of forestry and forest ecology. Typically a growth rate is calculated as the difference between two stem diameter measurements over a given time interval: (dbh2...

15 May 2024 8,739 2 View

How can technology help hospitalized children?

How do you think technology can help hospitalized children?

10 May 2024 950 2 View

Open channel hydraulics inside pipes, transient regime?

Someone has a computer program, algorithm or spreadsheet to solve problems of transients on a water flow in open channel regime through a circular section (flowing inside a pipe with free surface)?

10 April 2024 9,477 2 View

What are the types of AI weaponry?

What AI weaponry means to you? what are the types?

06 April 2024 3,384 1 View

Whats wrong with the Illumina sequencing?

I recently performed Illumina shotgun sequencing and my fastqc data is as attached. is this correct?

01 April 2024 3,354 6 View

What is the diffusion coefficient (D) for chloroamphenicol antibiotic?

I need to compute the electrode's active surface area.

31 March 2024 909 0 View

How to increase simulation box size?

We intend to study the interaction between peptides and polymer (like PP, PE and PS) through MD simulations using Martini force fields ( Martini 2 for PP and Martini 3 for PE, PS). We have...

08 August 2024 4,842 0 View

Unusual intensity drop in some sections of chromatograms in DDA?

Hi, we have measured tryptic peptides using both DDA and DIA method on QExactive. In DDA replicates i saw unusual intensity drops occurring at the same sections of chromatograms in DDA replicates...

07 August 2024 3,218 4 View

AUX gas reading problem on QE with full MS and PRM method in one run?

Dear QE-users, In the method where full MS positive mode and PRM mode are used, we always get an incorrect auxiliary gas reading (41 instead of 25). This only happens in this method; other...

06 August 2024 4,953 0 View

People weight in Oaxaca Blinder Decomposition on R?

Hello guys! Do you have experience running a Oaxaca-Blinder decomposition on R applying person weights. How do you suggest doing it? I have a variable PERWT which gives more information on how...

04 August 2024 6,033 0 View

How to analyze multiple phosphorilation sites?

Hello, I am currently analyzing some phosphoproteomics data, but I have peptides with multiple phosphorylation sites or phosphorylations together with carbamidomethylation or oxidation. How can I...

04 August 2024 8,432 3 View

Recovery rate after peptide desalting using Sep-pack C18 1 cc Vac Cartridge?

Recently I'm trying to use Sep-pack C18 1 cc Vac Cartridge (Waters: SKU: WAT054955) to desalt digested peptides. However, the recovery rate is usually 40-60%. What is the normal recovery rate?

31 July 2024 6,544 11 View

How to perform EEG source analysis on each trial of data separately?

Hello Everyone I have a question about structure for connectivity analysis on sources. My goal: preprocess and cut data into trials create headmodels, using template MRI file perform source...

30 July 2024 2,744 1 View

How to add Cr parameter in autodock?

When I run autogrid4 it says: autogrid4: ERROR: Unknown receptor type: "Cr" -- Add parameters for it to the parameter library first! Look forward to your reply.Thank you so much!

29 July 2024 488 0 View

Why running a restart analysis in Abaqus in Ubuntu OS gives an error as attached when running the same job in Windows doesn't give any error and runs?

I am trying to run a restart analysis, which imports deformed configurations of parts from a generated ODB file. It runs fine in Windows OS but when I try to run it in Linux OS, it is giving some...

29 July 2024 9,572 3 View

How to use Desmond in HPC ?

Our department has recently acquired an HPC (High-Performance Computing) system, and I'm thrilled to take my molecular dynamics calculations to the next level using Desmond. I used to run my...

28 July 2024 6,553 1 View

Sharad Medhe

Yes, I am working with Waters Synapt G2 Si what help u wan?

Ludwig Gruber

Hello, we are working with Waters Synapt G2 Si. But we use it mostly for "small molecules".....

J. Auld

Thank you for your messages Sharad & Ludwig. Currently, I am interested in discussing HDMRM and HDMSMS acquisition modes as well as Targetlynx processing of HDMRM data with other users.