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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
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German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...
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Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
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Imaging Studies II: Ultrasonography01:24

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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Electrochemiluminescence Assays for Human Islet Autoantibodies
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Electrochemiluminescence Imaging for Bioanalysis.

Jingjing Zhang1, Stéphane Arbault2, Neso Sojic2

  • 1School of Chemistry and Chemical Engineering, State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing, Jiangsu 210093, China;

Annual Review of Analytical Chemistry (Palo Alto, Calif.)
|April 3, 2019
PubMed
Summary
This summary is machine-generated.

Electrochemiluminescence (ECL) imaging offers high sensitivity and low background for bioanalysis. Advances in materials and optics enhance ECL signals, improving spatial and temporal resolution for single-cell and particle visualization.

Keywords:
bipolar electrochemistrycoreactant pathwayelectrochemiluminescence imagingmultiplex bioassaysingle cells/particlesspatial/temporal resolutions

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Area of Science:

  • Analytical Chemistry
  • Biotechnology
  • Materials Science

Background:

  • Electrochemiluminescence (ECL) is a sensitive analytical technique with low background signal.
  • Recent advancements in electrochemical materials, luminophores, and optical elements have significantly boosted ECL signals.
  • ECL imaging enables enhanced spatial and temporal resolutions, crucial for detailed biological analysis.

Purpose of the Study:

  • To review recent developments in Electrochemiluminescence (ECL) imaging.
  • To highlight advancements in ECL mechanisms, electrode designs, and applications.
  • To showcase the utility of ECL imaging in bioanalysis and single-cell/particle studies.

Main Methods:

  • Review of literature on ECL imaging techniques and applications.
  • Discussion of mechanisms underlying enhanced ECL signals.
  • Analysis of novel electrode designs for improved ECL performance.

Main Results:

  • ECL imaging achieves high sensitivity and low background without optical excitation.
  • Enhanced spatial and temporal resolutions are realized through material and optical improvements.
  • Successful applications demonstrated in high-throughput bioanalysis and visualization of molecular distribution in single cells.

Conclusions:

  • ECL imaging is a powerful tool for sensitive bioanalysis and high-resolution visualization.
  • Continued development in materials and optics promises further advancements in ECL imaging.
  • ECL imaging offers advantages over other optical bioassays due to the absence of excitation light-induced background.