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  2. Droplet-based microfluidics - Wikipedia

    en.wikipedia.org/wiki/Droplet-based_Microfluidics

    Droplet-based microfluidics often operate under low Reynolds numbers to ensure laminar flow within the system. [2] Droplet size is often quantified with coefficient of variation (CV) as a description of the standard deviation from the mean droplet size. Each of the listed methods provide a way to generate microfluidic droplets in a controllable ...

  3. Marangoni effect - Wikipedia

    en.wikipedia.org/wiki/Marangoni_effect

    Pepper is sprinkled onto the surface of the water in the left dish; when a droplet of soap is added to that water, the specks of pepper move rapidly outwards. The Marangoni effect (also called the Gibbs–Marangoni effect ) is the mass transfer along an interface between two phases due to a gradient of the surface tension .

  4. Coacervate - Wikipedia

    en.wikipedia.org/wiki/Coacervate

    Coacervate droplets dispersed in a dilute phase. Coacervate (/ k oʊ ə ˈ s ɜːr v ə t / or / k oʊ ˈ æ s ər v eɪ t /) is an aqueous phase rich in macromolecules such as synthetic polymers, proteins or nucleic acids.

  5. Vapor–liquid–solid method - Wikipedia

    en.wikipedia.org/wiki/Vapor–liquid–solid_method

    In an equilibrium situation this is not possible as the minimum radius of a metal droplet is given by [4] = where V l is the molar volume of the droplet, σ lv the liquid-vapor surface energy, and s is the degree of supersaturation [5] of the vapor. This equations restricts the minimum diameter of the droplet, and of any crystals which can be ...

  6. Leidenfrost effect - Wikipedia

    en.wikipedia.org/wiki/Leidenfrost_effect

    Leidenfrost droplet Demonstration of the Leidenfrost effect Leidenfrost effect of a single drop of water. The Leidenfrost effect is a physical phenomenon in which a liquid, close to a solid surface of another body that is significantly hotter than the liquid's boiling point, produces an insulating vapor layer that keeps the liquid from boiling rapidly.

  7. Electrospray ionization - Wikipedia

    en.wikipedia.org/wiki/Electrospray_ionization

    A droplet containing analytes is deposited on a sample area, to which a pulsed high voltage to is applied. When the electrostatic pressure is larger than the surface tension, droplets and ions are sprayed. Secondary electrospray ionization (SESI) is an spray type, ambient ionization method where charging ions are produced by means of an ...

  8. Drop (liquid) - Wikipedia

    en.wikipedia.org/wiki/Drop_(liquid)

    The term droplet is a diminutive form of 'drop' – and as a guide is typically used for liquid particles of less than 500 μm diameter. In spray application , droplets are usually described by their perceived size (i.e., diameter) whereas the dose (or number of infective particles in the case of biopesticides ) is a function of their volume.

  9. Coalescence (physics) - Wikipedia

    en.wikipedia.org/wiki/Coalescence_(physics)

    Coalescence of ultrasound contrast agent microbubbles is studied to prevent embolies [1] or to block tumour vessels. [2] Microbubble coalescence has been studied with the aid of high-speed photography. [3] In cloud physics the main mechanism of collision is the different terminal velocity between the droplets. The terminal velocity is a ...

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