Summary of Study ST001804
This data is available at the NIH Common Fund's National Metabolomics Data Repository (NMDR) website, the Metabolomics Workbench, https://www.metabolomicsworkbench.org, where it has been assigned Project ID PR001136. The data can be accessed directly via it's Project DOI: 10.21228/M8VQ4D This work is supported by NIH grant, U2C- DK119886.
See: https://www.metabolomicsworkbench.org/about/howtocite.php
This study contains a large results data set and is not available in the mwTab file. It is only available for download via FTP as data file(s) here.
| Study ID | ST001804 |
| Study Title | Human stool exposomics analysis |
| Study Type | Untargeted MS anlaysis |
| Study Summary | Human stool samples, as a noninvasive matrix, have unique value in exposome research but have not been extensively studied for environmental chemical exposures. For lipophilic and unabsorbed dietary environmental chemicals, stool is a primary route of elimination and can therefore provide useful information on body burden and clearance of chemicals. In a pilot analysis of six human stool samples, we detected 52 and quantified 21 environmental chemicals, with HCB found in all samples. Quantification of HCB showed a median concentration of 0.057 ng/g. HCA of correlation matrix showed co-exposures of chemicals are likely as shown in the plasma, lung and thyroid. The high correlations of these persistent chemicals are not surprising as they likely derive from similar environmental exposure events. |
| Institute | Emory University |
| Department | Medicine/Pulmonary |
| Laboratory | Dean Jones |
| Last Name | Hu |
| First Name | Xin |
| Address | Emory University Whitehead building (Rm 225), 615 Michael Street |
| xin.hu2@emory.edu | |
| Phone | 4047275091 |
| Submit Date | 2021-05-07 |
| Raw Data Available | Yes |
| Raw Data File Type(s) | mzXML |
| Analysis Type Detail | GC-MS |
| Release Date | 2021-05-28 |
| Release Version | 1 |
Select appropriate tab below to view additional metadata details:
Combined analysis:
| Analysis ID | AN002926 |
|---|---|
| Analysis type | MS |
| Chromatography type | GC |
| Chromatography system | Thermo Trace 1310 |
| Column | Agilent DB5-MS (15m x 0.25mm,0.25um) |
| MS Type | EI |
| MS instrument type | Orbitrap |
| MS instrument name | Thermo Q Exactive Orbitrap |
| Ion Mode | POSITIVE |
| Units | raw intensity |
MS:
| MS ID: | MS002717 |
| Analysis ID: | AN002926 |
| Instrument Name: | Thermo Q Exactive Orbitrap |
| Instrument Type: | Orbitrap |
| MS Type: | EI |
| MS Comments: | Data were collected from 3 to 24.37 min with positive electron ionization (EI) mode (+70 eV), scanning from m/z 85.0000 to 850.0000 with a resolution of 60,000. Raw data were examined by checking signal-to-noise ratio, peak shape and spectral information for surrogate and internal standards using a 5 ppm m/z tolerance and 30 s retention time window in xCalibur Qualbrowser software. Data extraction was performed by XCMS to generate about 40,000 chemical features identified by spectral m/z and retention time. |
| Ion Mode: | POSITIVE |
