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Evaluation of the NMR-MOUSE as a new method for continuous functional monitoring of the small intestine during different perfusion states in a porcine model

Objective: The study aim was to evaluate a small low-field NMR (nuclear magnetic resonance) scanner, the NMR-MOUSE®, for detecting changes in intestinal diffusion under different (patho-) physiological perfusion states. Methods Laparotomy was performed on 8 female landrace pigs (body weight 70±6 kg) and the feeding vessels of several intestinal loops were dissected. Successively, the intestinal …

Evaluation of the NMR-MOUSE as a new method for continuous functional monitoring of the small intestine during different perfusion states in a porcine model Read More »

Objektive Evaluierung von Narben und Hautgewebe unter Anwendung der neuen NMR- Mouse® Technologie

Introduction: For the very first time biomedical sciences have been successful in utilizing the NMR MOUSE® (Mobile Universal Surface Explorer) technology with regard to a highly sensitive and long discussed field in medicine: a clinical procedure for an objective evaluation in scar therapy came into reach. The present study is a survey aimed at producing …

Objektive Evaluierung von Narben und Hautgewebe unter Anwendung der neuen NMR- Mouse® Technologie Read More »

Messung der Kontrastmittelanreicherung in der Haut und im subkutanen Fettgewebe mit der NRM-MOUSE® – eine Machbarkeitsstudie

Ziel: Die NMR-MOUSE® ist eine offene und mobile Sonde zur Messung von NMR-Relaxationsparametern in organischen Feststoffen. Im Folgenden wird von T1-Messungen in der Haut und im subkutanen Fettgewebe berichtet. Material und Methoden: Mit der NMR-MOUSE® wurde erstmals der Signalaufbau nach Sättigung vor und nach Kontrastmittelgabe in der Haut und im subkutanen Fettgewebe an drei Probanden …

Messung der Kontrastmittelanreicherung in der Haut und im subkutanen Fettgewebe mit der NRM-MOUSE® – eine Machbarkeitsstudie Read More »

Mobile NMR-MOUSE®: eine neue Methode und erste Anwendung an der Achillessehne

Aim: The increased demands placed on the Achilles tendon in recreational and professional sports have led to a rise in pathological changes in this anatomic region. Magnetic resonance evaluations of the tendon have proven to be a valid but expensive and stationary diagnostic tool. In this study, a new mobile NMR sensor was to be tested …

Mobile NMR-MOUSE®: eine neue Methode und erste Anwendung an der Achillessehne Read More »

Anisotropy in Tendon Investigation in vivo by a Portable NMR Scanner, the NMR-MOUSE

Ordered tissue like tendon is known to exhibit the magic-angle phenomenon in magnetic resonance investigations. Due to the anisotropic structure the transverse relaxation time T2 depends on the orientation of the tendon in the magnetic field. In medical imaging, relaxation measurements of tendon orientation are restricted by the size of the object and the space available in …

Anisotropy in Tendon Investigation in vivo by a Portable NMR Scanner, the NMR-MOUSE Read More »

Unilateral NMR and thermal microscopy studies of vegetable tanned leather exposed to dehydrothermal treatment and light irradiation

Unilateral nuclear magnetic resonance (NMR) and imaging thermal microscopy (imageMHT) were performed on newly obtained and artificially aged vegetable tanned leathers. Calf and sheep leathers tanned with vegetal extracts of mimosa bark, quebracho and chestnut wood were compared. Ageing was simulated by exposing the leather samples to heating at 70 °C in controlled atmosphere at 30% …

Unilateral NMR and thermal microscopy studies of vegetable tanned leather exposed to dehydrothermal treatment and light irradiation Read More »

Optimized slim-line logging NMR tool to measure soil moisture in situ

We report the optimization of a slim-line logging NMR tool carried out by maximizing the signal-to-noise ratio of the NMR measurements. The tool, based on cylindrical permanent magnets of 20 cm length and 5 cm diameter, has a penetration depth of about 2 cm measured from its surface. This is obtained thanks to a large radio frequency coil …

Optimized slim-line logging NMR tool to measure soil moisture in situ Read More »

Low-field NMR logging sensor for measuring hydraulic parameters of model soils

Knowing the exact hydraulic parameters of soils is very important for improving water management in agriculture and for the refinement of climate models. Up to now, however, the investigation of such parameters has required applying two techniques simultaneously which is time-consuming and invasive. Thus, the objective of this current study is to present only one …

Low-field NMR logging sensor for measuring hydraulic parameters of model soils Read More »

Mobile Single-Sided NMR

The development of NMR instrumentation, methods, and applications of mobile NMR, with particular attention to single-sided NMR is discussed. Inside-out NMR is a form of single-sided or unilateral NMR, where an NMR sensor much smaller than the object is placed near the object to acquire signals from the object volume near the sensor. Mobile NMR …

Mobile Single-Sided NMR Read More »

Analysis of Historical Porous Building Materials by the NMR-MOUSE®

Samples of sandstone with and without deposits of silicon oxide stone strengthener as well as samples of historical brick material were analyzed by transverse NMR relaxation and mercury intrusion porosimetry. Relaxation times and relaxation time distributions of the protons from the water saturated samples were measured by low-field NMR using homogenous and inhomogeneous fields. The …

Analysis of Historical Porous Building Materials by the NMR-MOUSE® Read More »

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