This is crucial as the natural abundance of 13C is very low (about 1.109%) that usually makes 13C-NMR quite time-consuming. In fact, many NMR spectrometers below 100 MHz proton frequency do not even ...

Some pulse programs for routine NMR experiments: 1 Acquire a proton spectrum first and make sure you have recorded the 90 Degree ... For example, if you haven't tuned the carbon channel, yet, it is ...

The preferred method is based on the investigation of signals in the proton NMR spectrum associated with the lipoproteins. Variations in the size, composition, and density of lipoproteins ...

To mitigate and investigate food fraud, researchers use analytical methods, such as spectroscopy, to analyze the constituents of food. The desire for automated quantitative NMR (qNMR) analysis has ...

This page provides educational resources, events, news and products related to NMR spectroscopy techniques and applications, including proton, carbon, 2D and solid-state NMR. Nuclear magnetic ...

qNMR Using PULCON Use this document to perform quantitative NMR (qNMR) experiments using the PULCON methodology ... DEPTQ DEPTQ is a similar experiment to DEPT but has the advantage that quaternary ...

A frequently documented NMR spectrum is the 1D 13 C carbon spectrum, which is less sensitive than the 1 H spectrum. Proton decoupling during the FID acquisition can boost its sensitivity (Figure 1).

Beginner NMR users can use pre-set data acquisition ... the wide-ranging TopSpin library of 1D and 2D homonuclear and proton-carbon heteronuclear experiments and pulse programs.