Quantitative Analysis of Tooth Mineral Content by High Resolution Microcomputed Tomography

The objective of this study is the qualitative and quantitative analysis of encapsulated fish oil supplements by utilizing high-resolution multinuclear (1H,13C,31P) and multidimensional NMR spectroscopy.

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Quantitative Analysis of COVID-19 Patients

ICT Solutions for Improving Smart Communities in Asia - Advances in Human and Social Aspects of Technology ◽

10.4018/978-1-7998-7114-9.ch011 ◽

2021 ◽

pp. 218-242

Author(s):

Soobia Saeed ◽

N. Z. Jhanjhi ◽

Memood Naqvi ◽

Mamoona Humayun ◽

Vasaki Ponnusamy

Keyword(s):

Artificial Intelligence ◽

Weight Loss ◽

Quantitative Analysis ◽

High Resolution ◽

Computerized Tomography ◽

Respiratory Infections ◽

Disease Outbreaks ◽

Weight Loss Program ◽

Pulmonary Lesions ◽

The World

A new coronavirus-CoV-2 virus has caused disease outbreaks in many countries, and the number of cases is increasing rapidly through transmission from person to person. Clinical acoustics for SARS-CoV-2 patients are crucial to distinguish them from other respiratory infections. Symptomatic sufferers can also have pulmonary lesions on the photographs. A computerized tomography study in patients with suspected COVID-19 pneumonia consists of using a high-resolution approach (HRCT). Artificial intelligence applications need to be useful in categorizing the illness to an awesome severity and integrating the structured file, organized consistent with subjective issues, with objective and quantitative checks of the amount of the lesions. Data indicate the statistical document of the world in trendy. This method, with the aid of a coloring map, identifies floor glass in submission processing and separates it from consolidation and units it as a percentage in respect to the balanced weight loss program.

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Coping with the extremes: comparative osteology of the tepui-associated toad Oreophrynella and its bearing on the evolution of osteological novelties in the genus

Zoological Journal of the Linnean Society ◽

10.1093/zoolinnean/zlz172 ◽

2020 ◽

Vol 190 (1) ◽

pp. 114-139

Author(s):

Philippe J R Kok ◽

Milan A J van der Velden ◽

D Bruce Means ◽

Sebastian Ratz ◽

Iván Josipovic ◽

...

Keyword(s):

Body Weight ◽

High Resolution ◽

Vertebral Column ◽

Relative Length ◽

Single Species ◽

Microcomputed Tomography ◽

X Ray ◽

Character Reconstruction ◽

Ancestral Character Reconstruction ◽

Comparative Osteology

Abstract The only study of the osteology of the toad genus Oreophrynella dates back to 1971 and was based on a single species. Here, we use high-resolution X-ray microcomputed tomography to analyse the osteology of all nine described Oreophrynella species, which are compared with representatives of other bufonid lineages. Oreophrynella is unique among bufonids in having opposable digits. Osteological synapomorphies confirmed for the genus are as follows: presence of parietal fontanelles and exposed frontoparietal fontanelle, absence of quadratojugal, five presacral vertebrae, distally enlarged terminal phalanges and urostyle greatly expanded into flanges. Ancestral character reconstruction indicates that arboreal habits in some Oreophrynella species are likely to have evolved after the evolution of opposable digits. Opposable digits, in combination with an extension of the interdigital integument and the relative length/orientation of the digits, are likely to be adaptations to facilitate life on rocky tepui summits and an exaptation to arboreality. Cranial simplification in Oreophrynella, in the form of cranial fontanelles and absence of the quadratojugal, is possibly driven by a reduction of developmental costs, increase in flexibility and reduction of body weight. Cranial simplification combined with the shortening of the vertebral column and the shift towards a partly firmisternal girdle might be adaptations to the peculiar tumbling behaviour displayed by Oreophrynella.

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High-resolution densitometry: analysis of stained albumin bands as a model for electrophoresis of serum proteins.

Clinical Chemistry ◽

10.1093/clinchem/30.6.847 ◽

1984 ◽

Vol 30 (6) ◽

pp. 847-850 ◽

Cited By ~ 3

Author(s):

D J Epstein ◽

W E Neeley

Keyword(s):

Quantitative Analysis ◽

High Resolution ◽

Serum Proteins ◽

Protein Electrophoresis ◽

Accuracy And Precision ◽

Rectangular Slit ◽

New Instrument ◽

Densitometry Analysis ◽

Photodiode Array ◽

Improved Accuracy

Abstract In discussing the principles of quantitative analysis in thin-layer media, we show that requirements for quantitative analysis are not satisfied when stained protein electrophoretic bands are scanned with a conventional rectangular-slit densitometer. We investigated a high-resolution densitometer based on a linear photodiode array as an alternative analytical tool, using stained electrophoretic bands of radio-labeled human serum albumin as a simplified model for results of serum protein electrophoresis. Identical protein bands scanned with both the high-resolution densitometer and a conventional densitometer were quantified with improved accuracy and precision by the new instrument. We also used the high-resolution densitometer to develop a computer model for performance characteristics of a rectangular-slit densitometer.

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Novel spinal instrumentation to enhance osteogenesis and fusion: a preliminary study

Journal of Neurosurgery Spine ◽

10.3171/2016.1.spine13979 ◽

2016 ◽

Vol 25 (3) ◽

pp. 318-327 ◽

Cited By ~ 2

Author(s):

Matthew R. MacEwan ◽

Michael R. Talcott ◽

Daniel W. Moran ◽

Eric C. Leuthardt

Keyword(s):

Electrical Stimulation ◽

Quantitative Analysis ◽

High Resolution ◽

Bone Density ◽

Spinal Fusion ◽

Interbody Fusion ◽

Lumbar Fusion ◽

Spinal Instrumentation ◽

Ct Scanner ◽

Vertebral Bodies

OBJECTIVE Instrumented spinal fusion continues to exhibit high failure rates in patients undergoing multilevel lumbar fusion or pseudarthrosis revision; with Grade II or higher spondylolisthesis; or in those possessing risk factors such as obesity, tobacco use, or metabolic disorders. Direct current (DC) electrical stimulation of bone growth represents a unique surgical adjunct in vertebral fusion procedures, yet existing spinal fusion stimulators are not optimized to enhance interbody fusion. To develop an advanced method of applying DC electrical stimulation to promote interbody fusion, a novel osteogenic spinal system capable of routing DC through rigid instrumentation and into the vertebral bodies was fabricated. A pilot study was designed to assess the feasibility of osteogenic instrumentation and compare the ability of osteogenic instrumentation to promote successful interbody fusion in vivo to standard spinal instrumentation with autograft. METHODS Instrumented, single-level, posterior lumbar interbody fusion (PLIF) with autologous graft was performed at L4–5 in adult Toggenburg/Alpine goats, using both osteogenic spinal instrumentation (plus electrical stimulation) and standard spinal instrumentation (no electrical stimulation). At terminal time points (3 months, 6 months), animals were killed and lumbar spines were explanted for radiographic analysis using a SOMATOM Dual Source Definition CT Scanner and high-resolution Microcat II CT Scanner. Trabecular continuity, radiodensity within the fusion mass, and regional bone formation were examined to determine successful spinal fusion. RESULTS Quantitative analysis of average bone density in pedicle screw beds confirmed that electroactive pedicle screws used in the osteogenic spinal system focally enhanced bone density in instrumented vertebral bodies. Qualitative and quantitative analysis of high-resolution CT scans of explanted lumbar spines further demonstrated that the osteogenic spinal system induced solid bony fusion across the L4–5 disc space as early as 6 weeks postoperatively. In comparison, inactive spinal instrumentation with autograft was unable to promote successful interbody fusion by 6 months postoperatively. CONCLUSIONS Results of this study demonstrate that novel osteogenic spinal instrumentation supports interbody fusion through the focal delivery of DC electrical stimulation. With further technical development and scientific/clinical validation, osteogenic spinal instrumentation may offer a unique alternative to biological scaffolds and pharmaceutical adjuncts used in spinal fusion procedures.

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