Typical experiments conducted with single‐sided NMR are incapable of unique chemical identification and, thus, often rely on comparative measurements in scientific study. However, cultural heritage objects have unique natures and histories, making a genuine ‘control’ sample a rarity and complicating many scientific investigations. In this paper, we present some comparative results enabled by such a …
New methods to measure the internal structure of wall paintings include single-sided nuclear magnetic resonance (NMR) and terahertz time-domain imaging (THz). We report the measurement of eight fresco models prepared with traditional fresco-making techniques in which we observe the structure of the wall paintings and verify the measurement techniques. Experimental results show that the two …
Nondestructive Investigation of the Internal Structure of Fresco Paintings Read More »
Crumb rubber is used in asphalt to improve its long-term performance. Its fraction and distribution are key factors determining the quality of pavements with rubber-modified asphalt. It is shown how the rubber fraction and the heterogeneity of the pavement can be assessed non-destructively by single-sided NMR relaxometry with the NMR-MOUSE. The methodology employs laboratory-based calibration …
Miniaturization plays an essential role in modern life of the 21st century. It is encountered, e.g., in communication, personalized and portable computers and in medicine. Miniaturization also affects NMR, one of the most versatile analytical tools, leading to dedicated sensors and portable devices which lead to new applications of NMR in different disciplines. The miniaturization …
Miniature mobile NMR sensors for material testing and moisture-monitoring Read More »
The moisture distribution during the setting of a thin mortar layer can be particularly complex to manage under dry (20% RH) and hot weather (above 25 °C) conditions. To better understand the fundamental phenomena at stake, we used static gradient relaxation NMR tools such as Profile MOUSE and STRAFI. This allowed disentangling the mutual effect of …
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