LC-MS/MS system consisted of the 460-LC auto samplers, 212-HPLC Chromatograph Pumps. Solvents are water and methanol + 0.1 % formic acid.
For HPLC 0.45 um and UHPLC 0.22 um.
Hello every one, I want to understand the differences between a systematic scoping review and a scoping review based on the all aspects of a review study. Thank you in advance.
11 June 2023 8,526 0 View
Articles have only mentioned that cell-laden hydrogel scaffolds were lyophilized before SEM analyses for cell adhesion. However, no details were mentioned.
05 June 2022 3,182 2 View
We know that the viscosity of non-Newtonian liquids changes when shear is applied on them. On the other hand, some correlations are available about the relation between viscosity and surface...
30 November 2021 4,325 4 View
Specially, I am looking for a database or software which give me the name of transcription factors and mRNAs which are being regulated by them.
28 October 2021 5,257 3 View
I am looking for host genes coding these lncRNAs and mRNAs.
17 July 2021 6,352 2 View
Hello everybody, I would like to simulate a three phase reactor and study its hydrodynamics. I would like to know which type of software is better? I have a good command of ANSYS Fluent and I am...
10 February 2021 4,574 3 View
I'm trying to simulate walking speed and I need to have an idea that how walking speed is changing over very short period of time (e.g., 0.02,0.1,0.2, and 0.5 sec). I know that average normal...
29 August 2016 760 4 View
Is there any reference on maximum walking acceleration rate for a very short period of time? (e.g., 0.02 sec, 0.1 sec)?
25 August 2016 5,258 2 View
We know that maximum walking speed is around 1.5 m/s for normal individuals. This speed is obtained based on tracking individuals in a time duration of 1 sec. Is there any reference to show that...
25 August 2016 306 4 View
I am using 320 LC-Ms-Ms quadrupole. I am wondering if I can increase the volume of injection while using low concentration instead of high concentration. Do you think it helps to see a peak for...
10 July 2013 6,230 9 View
I am analyzing cherts from different sources found within one specific geologic formation using ICP-MS/ES. My committee was asking this question about my analysis. I was not sure how to answer this
05 August 2024 7,902 3 View
Have you ever seen a LC-MS/MS method uses both internal standards and external standards (in matrix matching purpose) but the concentrations of internal standards are outside the calibration curve...
05 August 2024 3,084 6 View
I am using the Polyomics Integrated Metabolomics Pipeline (PiMP) for metabolite feature analysis. After annotating my data, I have encountered cases where multiple potential metabolites are...
24 July 2024 5,789 0 View
Hi everyone, We experienced a strange pattern in some spectra coming from HRMS/MS analysis. In particular, in the MS1 spectrum a base peak at m/z=M and a smaller peak at m/z=M+5Da appear, but in...
08 July 2024 3,631 4 View
Hello everyone. During my analyses on LC MSMS, the area ratio (Standard Area/Isotopically labelled Standard Area) increases with time for the quality control point. I'm having trouble explaining...
08 July 2024 3,150 2 View
Data Acquisition detected more than 65000 metabolites with area maximum, RT-value and peak-rating. What is the significance of Peak Rating?
07 July 2024 6,643 2 View
I have tried to optimize the serum free dmem which is the best but i am afraid the secretory profile has too much variations.
03 July 2024 4,044 3 View
I am working on centrosomal proteins. I overexpressed my POI and then I did SNAP capture pulldown followed by mass spec and I got approximately 700 protein hits. I am trying to validate specific...
03 July 2024 5,701 0 View
In the qualitative compound report obtained from HR-LCMS analysis of crude plant extracts, what is meant by Hits (DB)? Should we consider all the predicted compounds from the list for further studies?
30 June 2024 2,290 4 View
When performing LA-ICP-MS mapping imaging, sub-mineral inclusions containing certain elements, such as galena inclusions in pyrite, can cause extremely high counts in the mass spectrum,...
18 June 2024 8,679 1 View