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Thursday, July 30, 2020 | History

2 edition of In-vivo bone mineral studies via p31sP nuclear magnetic resonance. found in the catalog.

In-vivo bone mineral studies via p31sP nuclear magnetic resonance.

Kasippillai Makesan

In-vivo bone mineral studies via p31sP nuclear magnetic resonance.

by Kasippillai Makesan

  • 394 Want to read
  • 22 Currently reading

Published .
Written in English

    Subjects:
  • Physics Theses

  • Edition Notes

    Thesis (M.Sc.), Dept. of Physics, University of Toronto

    SeriesCanadian theses = Thèses canadiennes
    ContributionsCode, R. F. (supervisor)
    The Physical Object
    Pagination1 microfiche.
    ID Numbers
    Open LibraryOL14890947M
    ISBN 100315583444

    In vivo Bone Characterization from Magnetic Resonance Imaging: Morphometry and Mechanical analysis Angel Alberich-Bayarri, PhD [email protected] 15th october La Fe Polytechnics and University Hospital Bone resistance decrease Bone Mineral Density Trabecular Microarchitecture. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

    In vivo magnetic resonance spectroscopy is a specialized technique associated with magnetic resonance imaging. Magnetic resonance spectroscopy, also known as nuclear magnetic resonance spectroscopy, is a non-invasive, ionizing-radiation-free analytical technique that has been used to study metabolic changes in brain tumors, strokes, seizure disorders, Alzheimer's disease, depression, and other diseases affecting the brain. It has also been used to study .   In vivo 31 P magnetic resonance spectroscopy (MRS) can be used to noninvasively assess bioenergetics of the human brain. Information provided by 31 P MRS, concerning such factors as phosphocreatine (PCr) and adenosine triphosphate (ATP) concentrations and their ratio, intracellular pH, and rate constant of creatine kinase (CK) reaction, has been found to be useful for studying Cited by:

    In this work, an alternative technique is presented which is based on three‐dimensional (3D) volumetric proton nuclear magnetic resonance (NMR) microimaging. The method presented provides images from 9 × 9 × 4 mm 3 volumes of defatted bone specimens in 15–20 minutes scan time at isotropic resolution corresponding to (78 μm) 3 voxel by: @article{osti_, title = {Nuclear magnetic resonance spectroscopy}, author = {Harris, R K}, abstractNote = {NMR is remarkable in the number of innovations that have appeared and become established within the past five years. This thoroughly up-to-date account of the field explains fundamentals and applications of the NMR phenomenon from the viewpoint of a physical chemist.


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In-vivo bone mineral studies via p31sP nuclear magnetic resonance by Kasippillai Makesan Download PDF EPUB FB2

The 31P resonance line width and T1of bone mineral of two subject was measured in vivoas ~ kHz and ~ s (by spectroscopy) – s (by SMRI) at 3T, respectively (Fig. 8, Tab. The bone mineral line width is similar to that of HA, but the T1is much by: The density of bone 31 P was derived for all subjects from 31 P zero TE images acquired in the same scan session using the measured relaxation times.

Test–retest experiments were also performed to evaluate repeatability of this in vivo MRI‐based bone mineral quantification by: 2. Detection of hydrogen-bearing species in bone mineral. 1 H P cross polarization (CP) based magic angle spinning (MAS) solid-state Nuclear Magnetic Resonance (ssNMR) spectra of Cited by: 8.

Magnetic Resonance Spectroscopy Soft Tissue Tumor Tumor Metabolism Tumor Spectrum Bone Marrow Disease These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm by: 1.

Editorial for the special issue on introduction to in vivo Magnetic Resonance Spectroscopy (MRS): A method to non-invasively study metabolism Cristina Cudalbu, Arthur J.L. Cooper Pages   Lyng, H., Olsen, D., Southon, T.

et al. 31 P-nuclear magnetic resonance spectroscopy in vivo of six human melanoma xenograft lines: tumour bioenergetic status and blood by:   In vivo short-term precision for the lumbar spine (L2–L4), measured by scanning four normal volunteers five times in one session, was found to be ±%.

In vivo precision for the femur, measured on seven volunteers was ±% for the neck of femur, ±% for Ward's triangle and ±% for the by: In addition, several studies have shown high mineral apposition rates and increased bone mass and mineral density surrounding Mg implants in bone.

These data support the use of Mg implants as orthopedic devices; however there remains a lack of in vivo data assessing these materials as actual fixation plates and by: Magnetic resonance-guided focused ultrasound (MRgFUS) is a system which performs non-invasive ultrasound thermal ablation of bone or soft tissue lesions,.

Targeting precision is achieved by real-time thermal MR readings that enable focused ablation Cited by:   (a) Bruker T magnetic resonance spectrometer in Lee Gil Ya Cancer and Diabetes Institute, Gachon University. (b, c) Without a magnetic field (outside of the magnet), all of the spins are Cited by: Abstract.

In the past decade considerable progress in the development of in vivo nuclear magnetic resonance (NMR) has reached a point where NMR becomes an indispensable and unique tool for truly noninvasive studies of anatomy, function, and by: 5. For in vivo 31P MRS the position of the PCr resonance is usually selected as a reference (i.e.

0ppm). A closer inspection of some resonances in the 31P MR spectrum of skeletal muscle may reveal some fine structure, which is due to their phosphate nuclear spins being subject to an interaction with other nearby spins; the so-called spin–spin Cited by: In vivo bone 31P relaxation times and their implications on mineral quantification Article in Magnetic Resonance in Medicine 80(6) May with 18 Reads How we measure 'reads'.

In Vivo Magnetic Resonance Studies Reveal Neuroanatomical and Neurochemical Abnormalities in the Serine Racemase Knockout Mouse Model of Schizophrenia Matthew D. Puhl, 1 Dionyssios Mintzopoulos, 2 J.

Eric Jensen, 2 Timothy E. Gillis, 2 Glenn T. Konopaske, 1 Marc J. Kaufman, Cited by: A clinically significant fracture history is one or more of the following: long bone fracture of the lower extremities, vertebral compression fracture, two or more long-bone fractures of the upper extremities, low bone mineral content, or bone mineral density is defined as a BMC or areal BMD Z-score that is less than or equal to −, adjusted for age, gender, and body size, as appropriate.

Magnetic resonance spectroscopy (MRS) has been utilized to study several metabolic pathways in vivo and in live tissues in vitro non-invasively. Despite its inherited lack of sensitivity, its application has extended all the way to in situ human tissues and organs Cited by: 6. Alger, J.

and Shulman, R. Metabolic applications of high- resolution 13C nuclear magnetic resonance Med. Bull., 40, –4 PubMed Author: D. Gadian. A number of simulations were done on the computer for the author to gain insight into NMR spectroscopy.

A detailed NMR study of eight human vertebral bodies was done using the Nicolet NT spectrometer. Radiofrequency coils were designed and built to obtain in-vivo quantification of bone mineral in human fingers, palm and wrist.

Finally, in-vitro spectra of canine skeletal muscle and canine Cited by:   In Vivo Magnetic Resonance Studies.

In vivo magnetic resonance (MR) studies were carried out at the joint nuclear magnetic resonance facility of the Universitat Autònoma de Barcelona and Centro de Investigación Biomédica en Red—Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN) (Cerdanyola del Vallès, Spain) in a 7 Tesla horizontal magnet (BioSpec 70/30, Bruker BioSpin, Cited by: 8.

Neff M, Dambacher MA, Kissling R, Qin L, Rüegsegger P () Quantified 2-and 3-dimensional evaluation of bone structures in vitro and in vivo. Osteologie –77 CrossRef Google Scholar Qin L, Au SK, Chan KM, Lau MC, Woo J, Dambacher MA, Leung PC () Peripheral volumetric bone mineral density in pre-and postmenopausal Chinese women in Cited by: 3.

Magnetic resonance spectroscopy (MRS), which is fundamentally similar to magnetic resonance imaging, can detect metabolic changes in vivo noninvasively.

With its noninvasive nature, 1 H, 13 C and 31 P MRS are being actively utilized in clinical and biomedical metabolic studies to detect lipids and important metabolites without ionizing by: The mineral content of stationary bone samples can be quantified by 31P nuclear magnetic resonance (NMR) spectroscopy.

The assay can be performed in regions of the anatomy that pose problems for absorptiometric techniques, because the mineral content is measured within a selected volume without concern for the geometry of the by: Chemically selective solid state phosphorus‐31 nuclear magnetic resonance (NMR) imaging of the mineral phase of bone and synthetic calcium phosphate models for bone mineral is demonstrated with microscopy‐scale (about 5 mm field of view) apparatus at T magnetic field strength.

Pixel‐by‐pixel linear combination of image data from Cited by: