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Related Concept Videos

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Biofilms

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Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...
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Imaging Studies VII: Vascular Imaging01:19

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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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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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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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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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Related Experiment Video

Updated: Feb 7, 2026

Super-resolution Imaging of Proteus mirabilis Biofilm by Expansion Microscopy
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Imaging the Microprocesses in Biofilm Matrices.

Peng Zhang1, You-Peng Chen2, Ju-Hui Qiu3

  • 1College of Environment and Resources, Xiangtan University, Xiangtan, 411105, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environments of MOE, Chongqing University, Chongqing 400045, China.

Trends in Biotechnology
|August 5, 2018
PubMed
Summary
This summary is machine-generated.

This review details imaging techniques for visualizing biofilm structures and microprocesses. Understanding these biofilms is crucial for water purification, biofouling, and infectious disease research.

Keywords:
Raman spectroscopy imagingbiofilmconfocal laser scanning microscopyextracellular polymeric substancesmass spectrometry imagingscanning transmission X-ray microscopy

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Area of Science:

  • Microbiology
  • Biotechnology
  • Imaging Science

Background:

  • Biofilms, microbial aggregates with extracellular matrices, are prevalent in diverse environments like water bodies, wastewater systems, and host tissues.
  • They play critical roles in essential processes such as water purification and detrimental ones like biofouling and infectious diseases.
  • Recent advancements in imaging technologies offer new ways to study biofilm structure and function.

Purpose of the Study:

  • To review various imaging modalities used for biofilm research.
  • To explain the principles behind these imaging techniques.
  • To discuss the strengths and weaknesses of each method for analyzing microprocesses within biofilms.

Main Methods:

  • Review of scientific literature on biofilm imaging techniques.
  • Description of principles for techniques like microscopy and spectroscopy.
  • Comparative analysis of imaging approaches based on their application to biofilm matrices.

Main Results:

  • Multiple imaging modalities enable visualization of biofilm morphology and material distribution.
  • These techniques allow probing of microprocesses including biofilm formation, substrate metabolism, and cell communication.
  • Advancements in imaging have enhanced understanding of biofilm control strategies and substrate dynamics.

Conclusions:

  • Imaging technologies are vital tools for dissecting complex biofilm microprocesses.
  • Each technique offers unique advantages and limitations for biofilm characterization.
  • Further development and application of these imaging methods will advance biofilm science and applications.