Are other algorithms than LCModel also sensitive to small T2* variations?

19 January 2020 0 7K Report

Small T2* variations lead to errors in metabolite concentration quantification with LCModel... Is this also the case with other fitting algorithms? If not, does somebody know where the difference lies?

Badges
Science topic

Similar topics
Chemistry
Chemicals
Solvents

More Nathalie Just's questions See All

What is the best device to measure artificial light at night ?

Hello, I would like to know if someone could advice me about the best device to use to measure artificial light at night in coastal areas, outside and inside water (just few meters)? Thank you...

23 April 2024 8,319 1 View

Anyone doing research on Leveraging AI for Equitable Performance Management/Appraisal practices?

I am pursuing my PhD and chose the topic of pros/cons and ethical concerns in leveraging Artificial Intelligence tools to increase Equity in Performance Management/Appraisal and did not find much...

18 November 2023 8,460 2 View

How to calculate ID/IG ratio of carbon materials measured by Raman?

I want to calculate the ID/IG ratio from a carbon sample measured by Raman. After obtaining the spectra, I have deconvoluted D and G peaks by fitting them with 2 Gaussian-Lorentzian curves using...

16 November 2023 6,458 1 View

Hello Can I put a html file (a network graph) ?

08 June 2023 613 1 View

What is a good percentage of organic carbon in a coffee crop?

I want to know how much organic carbon is a good percentage in a coffee crop, having in consideration that it will be taken from the first 30 centimeters of the sampling point.

14 May 2023 7,638 2 View

What post hoc tests used after a fisher exact test (2 x 3) in R ?

I have contingency table with 2 treatments (t1, t2) and 3 stages (s1, s2, s3) as following: T1 T2 s1 x1 x2 s2 y1 y2 s3 z1 z2 I got a significant interaction when i did...

18 January 2023 8,942 4 View

Which analyses suits best for moderation?

Currently I'm struggling with choosing between various analysis options, ranging from repeated measures design, to 4-way ANOVA to ANCOVA or to moderation analysis with the PROCESS macro of Hayes....

17 January 2023 1,628 4 View

Shannon and Bray-Curtis indices for presence/absence data. Not appropriate, wrong or not ideal but ok... ?

Hi, I need to compare the alpha diversity of three communities (the gut bacteria; the gastro-intestinal helminth community ; the bacteria community found in the spleen of rodents) For the gut...

29 September 2022 4,851 2 View

Circular data in SPSS?

I have some polar transformed data that I would like to represent in a graph. I was used to do that in Statistica; however, I cannot find a way to do it in SPSS. Does someone know if/how to do it...

28 March 2022 5,436 3 View

Conducting Q methodology research online - Does anyone have any practical recommendation or tip?

For one of my studies, I am using Q methodology for the first time. I am currently developing the Q-survey that will be administered to participants on an online platform (I am considering using...

14 March 2021 8,837 3 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

Which solvent is better to dissolve with secondary metabolites extracted from fungi?

I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...

03 August 2024 4,725 2 View

Can the limit of quantification (LOQ) of an analytical method fall outside its linear dynamic range, or must it always be within it?

Can an analytical method's limit of quantification (LOQ) be outside its linear dynamic range, or is it always required to be within it? Please provide a thorough explanation supported by verified...

29 July 2024 7,198 9 View

How to select relevant metabolites from multiple annotations ?

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

Prediction and quantification of water content ?

Hi all. Is it possible to correlate multiple parameters like fruit weight, color, length and diameter, its ratio with water content in coconut ?. Need some guidance on some non destructive methods...

23 July 2024 9,421 3 View

What does negative readings in spectrophotometer denote. Was testing TSS content of bacterial cultures?

I was performing estimation of Total Soluble Sugar content in bacterial cultures by Anthrone method. Out of 9 samples, only one sample showed positive reading while others had a negative reading...

22 July 2024 9,576 4 View

How can I decrease the error of Rietveld method for phase quantification?

Phase quantification in steel contain BCC and FCC

20 July 2024 8,150 7 View

Can I detect the FLAG sequence of my AAV vector by qPCR?

I am treating human cells with an AAV vector encoding for my gene of interest tagged by FLAG. I want to quantify the mRNA expression of my gene of interest via qPCR to discriminate the endogenous...

14 July 2024 8,482 3 View

How can we quantify protein in a natural biomaterial which is a blend of proteins, carbohydrates, etc?

I have used Bradford assay for protein quantification; however, I am getting inconsistent concentrations. Tried twice but similar inconsistency. Like the highest quantity of a biomaterial is...

11 July 2024 2,257 1 View

How can we quantify protein in a natural biomaterial which is a blend of proteins, carbohydrates, etc?

I have used Bradford assay for protein quantification; however, I am getting inconsistent concentrations for the second time. Like the highest quantity of a biomaterial is having lower...

11 July 2024 3,557 3 View