Secondary Nucleation
Secondary Nucleation - Related Videos
09:41
Visualization of Cell Cycle Variations and Determination of Nucleation in Postnatal Cardiomyocytes
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Cited by 5 •
2017
To distinguish cell division from cell cycle variations in cardiomyocytes, we present protocols using two transgenic mouse lines: Myh6-H2B-mCh transgenic mice, for the unequivocal identification of cardiomyocyte nuclei, and CAG-eGFP-anillin mice, for distinguishing cell division from cell cycle variations.
09:53
Automated Microfluidic Blood Lysis Protocol for Enrichment of Circulating Nucleated Cells
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Cited by 4 •
2009
An automated microfluidic device was developed for circulating nucleated cell enrichment from peripheral blood via erythrocyte lysis that ensures isolation of high quality sample without cell loss.
09:36
The Use of High-resolution Infrared Thermography (HRIT) for the Study of Ice Nucleation and Ice Propagation in Plants
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Cited by 27 •
2015
Here we present a protocol that allows one to visualize sites of ice formation and avenues of ice propagation in plants utilizing high resolution infrared thermography (HRIT).
01:11
Secondary Healthcare System
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2023
Secondary healthcare is offered by a specialist, generally in hospitals or clinics for patients referred by primary healthcare providers. It occurs when a person has an illness or injury that requires specific medical care. Secondary care is often referred to as acute care. Secondary care can range from uncomplicated care to repair a minor laceration or treat a strep throat infection to more complicated emergent care, such as treating a head injury sustained in an automobile accident. Whatever...
10:10
Synthesis of Compound Giant Unilamellar Vesicles: A Biomimetic Model of Nucleate Cells
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2025
This article presents a method for preparing compound Giant Unilamellar Vesicles (cGUVs) with a vesicle-in-vesicle structure, with customized electrical conductivity in inner, annular, and outer regions. Electroformation synthesizes simple GUVs, which are transformed into stomatocytes and cGUVs via osmotic shock, providing a valuable model for studying the biophysics of nucleated cells.
FAQs
Secondary Nucleation is promoted when existing crystals experience contact, collision, abrasion, or fluid shear. These interactions can detach crystal fragments or disturb surface-associated clusters, creating material that may become stable nuclei in a supersaturated solution. The mechanism therefore links physical crystal-crystal or crystal-fluid interactions to a larger crystal population and can change the resulting crystal size distribution.
Supersaturation determines whether fragments or surface-associated clusters can persist as new nuclei. Interactions alone do not guarantee nucleation: the surrounding solution must support development into stable nuclei. This condition makes supersaturation a central control variable because it connects local events at crystal surfaces or between crystals with the overall kinetics of crystallization and the number of crystals produced.
Contact and collision provide different physical routes to the same outcome: they bring crystals into interaction, whereas abrasion and fluid shear can generate or release smaller crystalline material. Considering these mechanisms separately helps explain why crystal populations may change even when the chemical environment is similar. It also directs attention to how physical interactions influence size distribution and morphology.
Secondary Nucleation affects more than the appearance of individual crystals. By changing the number of nuclei formed during crystallization, it can alter crystallization kinetics and the distribution of crystal sizes. The same process can also influence morphology, so controlling the relevant interactions is important when a product requires consistent crystal populations rather than simply a high amount of solid.
A practical approach is to consider supersaturation together with contact, collision, abrasion, and fluid shear among existing crystals. Managing these factors is intended to control crystal number, size, and morphology. The desired outcome is improved product consistency, yield, and downstream processing. This approach treats secondary nucleation as a controllable part of crystallization rather than an isolated event.
In pharmaceutical crystallization, controlling secondary nucleation can help regulate crystal number, size, and morphology. These attributes affect product consistency and may influence how readily the crystallized material proceeds through downstream processing. The process is therefore relevant when researchers need more predictable solid populations, not merely crystallization itself. Its value lies in connecting crystallization kinetics with practical control of the final product.
Secondary Nucleation provides a way to understand and manage how pre-existing crystals influence the formation of additional nuclei. By relating crystal interactions and supersaturated conditions to crystal number, size, and morphology, researchers can use the process as part of materials-synthesis control. This is relevant when material consistency and subsequent processing depend on the resulting crystal population.
Crystallization is used in industrial separation, and secondary nucleation helps determine the population of crystals produced during that operation. Managing the process can improve consistency and yield while supporting downstream processing. Its importance comes from controlling how many crystals form and what sizes and morphologies they exhibit, outcomes that influence the processing of the separated solid.