Blade Homogenizer

What is the Blade Homogenizer?

A blade homogenizer chops and blends samples with a sharp rotating blade. It is the classic tool for preparing soft tissue, food and biological samples at moderate volumes before extraction or analysis.

Overview

A blade homogenizer drives a sharp stainless steel blade at high speed inside a sample cup or vessel, chopping and blending the material into a uniform paste or suspension. Blade geometry, speed and run time control the degree of homogenisation, and the cup can be cooled or the process run in short bursts to limit heating. The design handles soft tissues, food, plants and moist solid samples at moderate volumes, and the resulting homogenate is representative for weighing, extraction or microbiological analysis. Blades and cups are removable for cleaning, and autoclavable versions are available for sterile work.

How does it work?

Homogenizers reduce particle size and mix components so that any portion of the sample represents the whole. Blade homogenizers spin a sharp blade at high speed to chop and blend tissue or food. Rotor-stator homogenizers draw the sample into a narrow gap between a fast rotor and a stationary stator, creating intense shear that disrupts cells and emulsions. High-pressure homogenizers force the sample through a small valve under pressure, so shear, impact and cavitation break droplets and cells. Bead mill homogenizers shake the sample with small beads to grind and lyse material in tubes. Ultrasonic homogenizers use cavitation from a vibrating probe to disrupt cells and disperse particles.

What are the key features?

• High-speed stainless steel chopping blade
• Uniform paste or suspension in one operation
• Removable and autoclavable cup options
• Short-burst operation to limit heating
• Suitable for soft tissue and food samples

What are the technical specifications?

A typical blade homogenizer configuration offers working volume of 50–1,000 mL, speed range of 1,000–20,000 rpm, blade material of Stainless steel 304, typical particle size of 0.1–1 mm, operation mode of Continuous or timed bursts and motor power of 0.2–1 kW. Values are indicative of the product class; the exact figures for each configuration are confirmed on the quotation and the calibration documents supplied with the instrument.

Which applications is it used for?

The Blade Homogenizer is used in food and feed sample homogenisation, tissue and plant material preparation, microbiological sample preparation and general laboratory blending. Across the wider Homogenizers class, laboratories also deploy it for food and feed microbiological preparation, tissue and cell disruption and emulsion and nanoparticle dispersion.

Which standards and certifications apply?

Relevant standards and methods include ISO 6887-1, ISO 6497, EPA 3050B, ISO 17635 and IEC 61010-1. Certification candidates for this model are CE and ISO 9001 manufacturing; each is to be confirmed for the specific configuration before shipment, and certificates are supplied only where they have been issued.

Keep the working part and the sample cool, since homogenisation generates heat that can degrade proteins, nucleic acids and volatile analytes. Clean and, where necessary, sterilise probes, blades and chambers between samples to avoid cross-contamination. Use the smallest effective volume and the shortest time that gives a uniform sample, and record the settings in the method. For microbiological work, follow aseptic technique and validated procedures such as ISO 6887-1. Inspect probes and seals for wear, and handle ultrasonic probes so they do not run dry, which would damage them.

How do I select the right Blade Homogenizer?

Choose a blade homogenizer for soft tissue, food and moist solid samples at moderate volumes. Confirm the working volume suits the sample, the cup and blade can be cleaned or sterilised as required, and the speed range gives the desired consistency. For tougher material or larger volumes, a rotor-stator unit may be better.

How does it compare with other Homogenizers variants?

Choose a homogenizer according to the sample type, volume and the purpose of homogenisation. Blade homogenizers suit soft tissue and food at moderate volumes; rotor-stator units handle larger volumes and tougher material; bead mill homogenizers suit small volumes and high-throughput lysis in tubes; high-pressure homogenizers suit emulsions and cell disruption at scale; and ultrasonic homogenizers suit small volumes and nanoparticle dispersion. Confirm the working volume, the achievable particle or droplet size, and whether the sample must remain cool to protect analytes. Consider cross-contamination between samples and whether disposable or autoclavable components are needed for microbiological work.