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Related Concept Videos

Hyperthermophilic Bacteria01:21

Hyperthermophilic Bacteria

Domain Bacteria includes some unique hyperthermophilic species. They exhibit remarkable adaptations that enable survival in extreme environments.Thermotoga species are rod-shaped, gram-negative, non-sporulating hyperthermophiles that form a sheath-like envelope called a toga. They ferment sugars or starch, producing lactate, acetate, CO₂, and H₂, and can also grow via anaerobic respiration using H₂ and ferric iron. Found in hot springs and hydrothermal vents, over 20% of their genes show strong...
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Hyperthermophilic archaea are a group of extremophiles thriving at temperatures above 80°C, often in hydrothermal vents and volcanic soils where conditions surpass the boiling point of water. At such temperatures, proteins, membranes, and DNA in most organisms degrade, but hyperthermophiles have evolved remarkable adaptations to maintain stability and function.Unique Cellular FeaturesHyperthermophilic membranes are composed of a monolayer of biphytanyl tetraether lipids, which resist thermal...
Factors Influencing Microbial Growth: Temperature01:27

Factors Influencing Microbial Growth: Temperature

Microorganisms display remarkable adaptations, enabling them to thrive in diverse ecological niches across a wide range of temperatures. Temperature profoundly influences microbial growth by affecting enzymatic activity, membrane fluidity, and other cellular processes.Each microorganism operates within a specific temperature range defined by three cardinal points: minimum, optimum, and maximum. Below the minimum temperature, membranes lose fluidity, halting transport processes. Above the...
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Heat is a widely used method to control microbial growth by targeting and denaturing cellular proteins, thereby killing or inactivating microbes. This method's effectiveness is quantified using parameters such as the thermal death point (TDP), thermal death time (TDT), and decimal reduction time (D value). TDP represents the lowest temperature at which all microorganisms in a liquid suspension are eliminated within 10 minutes, whereas TDT is the time necessary to achieve sterilization at a...
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Induction of Cerebral Arterial Gas Embolism in Rat
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Temperature mediated generation of armoured bubbles.

Ethan Tumarkin1, Jai Il Park, Zhihong Nie

  • 1Department of Chemistry, University of Toronto, 80 Saint George street, Toronto, Ontario, M5S 3H6, Canada.

Chemical Communications (Cambridge, England)
|November 2, 2011
PubMed
Summary

Researchers developed a new method for continuously creating uniform particle-coated microbubbles. This technique utilizes the temperature-dependent dissolving of carbon dioxide in microfluidic systems.

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Temperature-Controlled Assembly and Characterization of a Droplet Interface Bilayer
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Temperature-Controlled Assembly and Characterization of a Droplet Interface Bilayer
10:11

Temperature-Controlled Assembly and Characterization of a Droplet Interface Bilayer

Published on: April 19, 2021

Area of Science:

  • Microfluidics
  • Materials Science
  • Chemical Engineering

Background:

  • Microbubbles are essential for various applications, including drug delivery and imaging.
  • Current methods for microbubble generation often lack precise control over size and coating.

Purpose of the Study:

  • To introduce a novel microfluidic strategy for the continuous production of monodisperse particle-coated microbubbles.
  • To leverage temperature-dependent carbon dioxide dissolution for controlled microbubble formation.

Main Methods:

  • Utilized a microfluidic device for continuous flow.
  • Employed temperature changes to control the dissolution of carbon dioxide (CO2).
  • Incorporated particles onto the microbubble surface during formation.

Main Results:

  • Achieved highly monodisperse particle-coated microbubbles.
  • Demonstrated continuous generation capability.
  • Showcased the effectiveness of temperature-controlled CO2 dissolution for bubble formation.

Conclusions:

  • The described strategy offers a robust and scalable method for generating specialized microbubbles.
  • This approach has potential applications in targeted therapies and diagnostic imaging.
  • The technique provides precise control over microbubble characteristics.