نتایج جستجو برای: noninvasive samples
تعداد نتایج: 451473 فیلتر نتایج به سال:
We report an optical study of charge transport in graphene. Diffusion of hot carriers in epitaxial graphene and reduced graphene-oxide samples are studied using an ultrafast pump-probe technique with a high spatial resolution. Spatiotemporal dynamics of hot carriers after a pointlike excitation are monitored. Carrier-diffusion coefficients of 11 000 and 5500 cm2 s−1 are measured in epitaxial gr...
We recently demonstrated whole genome sequencing of a human fetus using only parental DNA samples and plasma from the pregnant mother. This proof-of-concept study demonstrated how samples obtained noninvasively in the first or second trimester can be analyzed to yield a highly accurate and substantially complete genetic profile of the fetus, including both inherited and de novo variation. Here,...
This research focused on understanding physical and chemical changes occurring to concentrated milk protein suspensions as a function of time. Skim (untreated heat treated at 90°C for 10 min) was 6 times the original volume using osmotic stressing, noninvasive concentration method, maintaining serum composition close possible that native milk. A protease inhibitor cocktail, with broad specifici...
In November 2015, ERS held its first advanced noninvasive ventilation course. Here, two participants give their views of the course.
The diagnosis of graft rejection is one of the fundamental aspects of caring for patients with heart transplantation. Endomyocardial biopsy (EMB) has important limitations, as it is an invasive procedure, with variable interpretation and limited sensitivity.1-3 Thus, it would be of interest to have a noninvasive diagnostic method that facilitates follow-up of patients with heart transplantation...
Blood is the specimen of choice for most laboratory tests for diagnosis and disease monitoring. Sampling exhaled breath is a noninvasive alternative to phlebotomy and has the potential for real-time monitoring at the bedside. Improved instrumentation has advanced breath analysis for several gaseous compounds from humans. However, application to small animal models of diseases and physiology has...
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