Abstract: Nuclear magnetic resonance (NMR) relaxometry, a noninvasive and nondestructive method, is a key technique for unconventional reservoir evaluation. Echo data detected from NMR instrument, a ...

Abstract: Nuclear magnetic resonance (NMR) spectroscopy serves as an important tool to analyze chemicals and proteins in bioengineering. However, NMR signals are usually contaminated by noise, ...

We recommend using Conda to manage the environment. chefnmr/ ├── datasets/ # Processed NMR datasets (See Table 1 in the paper) │ ├── spectrabase/ │ │ ├── data.txt # Example data structure of the ...

LC-HRMS/MS enables comprehensive detection of food toxicants, combining targeted, suspect, and untargeted analyses for maximum data yield and efficiency. The WFSR Food Safety Mass Spectral Library ...

WASHINGTON, Aug. 20, 2025 — How do you identify something no one has a test for? Designer drugs replicate the effects of known, illicit drugs but evade law enforcement. The chemical structure ...

HOBOKEN, NJ—Wiley, one of the world’s largest publishers and a trusted leader in research and learning, today announced the addition of over 17,500 spectra to its Wiley Registry of Mass Spectral Data ...

Wiley's comprehensive spectral database collections provide access to millions of high-quality spectra across a range of techniques, including IR, MS, NMR, Raman, and UV-Vis. These resources play a ...

The NMR spectrum (¹H-NMR and ¹³C-NMR) is a graphical representation of nuclear resonance signals, with chemical shift (ppm) on the x-axis indicating the electronic environment of nuclei, the y-axis ...

Mass spectrometry (MS) can be effective in identifying unknown compounds, though this can be complicated if spectra is outside of known databases. Researchers aimed to test MS databases using electron ...

The US National Institute of Standards and Technology (NIST) is discussing plans to eliminate an entire team responsible for publishing and maintaining critical atomic measurement data in the coming ...