Homogenizer
Homogenizers are laboratory devices used to reduce and standardize particle sizes in liquid samples. They are employed for sample homogenization and cell disruption through mechanical shear forces.
Product
Homogenizer
Homogenizers are laboratory devices used to reduce and standardize particle sizes in liquid samples. They are employed for sample homogenization and cell disruption through mechanical shear forces.
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LaboTechSystems LTS AG
Milian SA
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Guide and selection support
Homogenizers are used in laboratories to evenly homogenize liquid samples and cell material, reducing particle sizes down to the submicron range. This is accomplished through high pressure and shearing action within the homogenizing valve, generating turbulence and cavitation.
Key selection criteria include the desired particle size, the type of samples (e.g., cells, tissues, liquids), and the required throughput. Factors such as user-friendliness, ease of cleaning, and compatibility with various sample types should also be considered.
LabFinder helps guide users by providing objective information on the function and applications of homogenizers. This allows users to identify suitable devices and understand their technical features for optimal procurement.
Applications and Benefits
Homogenizers are used during sample preparation to standardize heterogeneous liquid samples by reducing and mixing particle sizes. Existing particles and droplets of varying sizes are broken down in the homogenizing valve through intense shear forces, turbulence, and cavitation, achieving sizes in the submicron range. These technologies enable cell disruption, tissue grinding, and the preparation of uniform sample mixtures for subsequent analyses or processing steps.
Selection Criteria
When choosing a homogenizer, the type of sample (e.g., cell material, tissue, suspensions) and the target particle size play a crucial role. Throughput, processing speed, as well as requirements for operation and cleaning, are also important. Compatibility with sensitive samples or specific material properties of the homogenizer components may be relevant, depending on the application.
Variants and Measurement Principles
Homogenizers typically use a high-pressure system, where the sample is forced through a fine homogenizing valve. The rapid drop in pressure creates intense mechanical shear, turbulence, and cavitation, leading to particle reduction. Variants differ in capacity, size, degree of automation, as well as in the design of the homogenizing valve or combination with other technologies.
Calibration and Maintenance
Regular inspection of mechanical components and proper cleaning are important for the trouble-free operation of homogenizers. In particular, the homogenizing valve is subject to wear and should be checked and replaced if necessary. Classical calibration is not usually required for these devices, as they do not contain measurement technology in the strict sense.
Limitations of Application
Homogenizers are intended for liquids and finely ground materials, and may not achieve complete cell disruption with certain challenging cell types or very tough tissues. For some purposes, alternative or complementary technologies such as ultrasonic devices may be needed. Homogenizers are also unsuitable for processing large quantities of solid material without prior preparation.
Search Terms and Related Terms
Synonyms and relevant search terms include homogenizers, sample homogenizer, cell disintegrator, mixer, particle size reducer, lab homogenizer, lab mixer, disperser, tissue homogenizer, laboratory blender, liquid homogenizer, laboratory mixer, cell disruption device, and homogenization unit. Keywords include cell disruption, sample homogenization, particle size reduction, homogenizing liquids, homogenization, shear force, laboratory device, sample preparation, homogenizing valve, turbulence, and cavitation.
Also known as
cell disintegrator
disperser
homogenizers
lab homogenizer
lab mixer
laboratory blender
mixer
particle size reducer
sample homogenizer
tissue homogenizer
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Frequently asked questions
How does a homogenizer work?
A homogenizer breaks down particles in liquid samples by rapidly reducing pressure within a fine homogenizing valve. This generates intense shear forces, turbulence, and cavitation that mechanically disrupt particles and cells, thus homogenizing the sample.
What types of samples can be processed with a homogenizer?
Homogenizers are suitable for liquids, cell material, tissue samples, and suspensions. They are used for cell disruption, tissue grinding, and production of homogeneous sample mixtures in the laboratory.
What should I consider when selecting a homogenizer?
Important factors are the type and sensitivity of the sample, required particle size, throughput, user convenience, and options for cleaning and maintenance. The technical design of the homogenizing valve can also be decisive.
What are the limitations of using homogenizers?
Homogenizers are less suitable for very solid materials or complete cell disruption in extremely tough tissues. For such applications, additional equipment may be required. They are also not designed for processing large amounts of solid material.
How should a homogenizer be properly maintained?
Regular cleaning, inspection, and replacement of worn parts—especially the homogenizing valve—are required. Classical calibration is not necessary, as it is a mechanical working device rather than a measuring instrument.
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