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RETSCH

MM400 Mechanical DNA Isolation - Cell Disruption

The mixer mill MM 400 has been developed specially for dry, wet and cryogenic grinding of small amounts of sample. It can mix and homogenize powders and suspensions in only a few seconds. Perfectly suitable for the disruption of biological cells as well as for DNA/RNA extraction.
QUOTATION
INFORMATION
phystest@analis.be
09 243 77 21
QUOTATION
INFORMATION
phystest@analis.be 09 243 77 21
DESCRIPTION TECHNICAL DESCR. DOWNLOADS
DESCRIPTION

Mixer Mill MM 400

The mixer mill MM 400 is a laboratory  all-rounder". It has been developed specially for dry, wet and cryogenic grinding of small amounts of sample. It can mix and homogenize powders and suspensions in only a few seconds. It is also perfectly suitable for the disruption of biological cells as well as for DNA/RNA extraction.

Application Examples

alloys, animal feed, bones, ceramics, cereal grains, chemical products, coal, drugs, electronic scrap, glass, hair, minerals, oil seeds, ores, paper, plant materials, plastics, sewage sludge, soils, tablets, textiles, tissue, waste samples, wood, wool,

Product Advantages

  • quick, efficient pulverization and homogenization
  • high sample throughput due to short grinding times and two grinding stations
  • reproducible results due to digital setting of grinding time and vibrational frequency
  • large range of grinding jars
  • 9 parameter combinations can be stored
  • safe wet grinding without loss of material with screw-top grinding jars
  • simple and comfortable operation
  • 2-year warranty, CE-conforming

Features

Applications size reduction, mixing, homogenization, cell disruption, cryogenic grinding
Field of application agriculture, biology, chemistry / plastics, construction materials, engineering / electronics, environment, food, glass / ceramics, medicine / pharmaceuticals, mineralogy / metallurgy
Feed material hard, medium-hard, soft, brittle, elastic, fibrous
Size reduction principle impact, friction
Material feed size* ≤ 8 mm
Final fineness* ~ 5 µm
Batch size / feed quantity* max. 2 x 20ml
No. of grinding stations 2
Setting of vibrational frequency digital, 3 - 30 Hz (180 - 1800 min-1)
Typical mean grinding time 2 min
Dry grinding yes
Wet grinding yes
Cryogenic grinding yes
Cell disruption with reaction vials yes, up to 20 x 2.0 ml
Self-centering clamping device yes
Type of grinding jars screw top design
Material of grinding tools hardened steel, stainless steel, agate, zirconium oxide, teflon, tungsten carbide
Grinding jar sizes 1.5 ml / 5 ml / 10 ml / 25 ml / 35 ml / 50ml
Setting of grinding time digital, 10 s - 99 min
Parameter combinations that can be stored 9
Drive DC-Motor
Protection code IP 30
Power consumption 150 W
W x H x D closed 371 x 266 x 461 mm
Net weight ~ 26 kg
Workplace related emission value LpAeq 65 dB(A)
*depending on feed material and instrument configuration/settings

Function Principle

The grinding jars of the MM 400 perform radial oscillations in a horizontal position. The inertia of the grinding balls causes them to impact with high energy on the sample material at the rounded ends of the grinding jars and pulverize it. Also, the movement of the grinding jars combined with the movement of the balls result in the intensive mixing of the sample. The degree of mixing can be increased even further by using several smaller balls. If several small balls are used (e.g. glass beads) then, for example, biological cells can be disrupted. The large frictional impact effects between the beads ensure effective cell disruption.

TECHNICAL DESCR.
DOWNLOADS
RETSCH website
RETSCH
Solutions in Grinding and Milling
This item belongs to the following categories (click to expand):
Prices are quoted in euro (taxes excluded) and apply in the Benelux (recycling fee included). They are subject to change without notice. We reserve the right to adjust pricing errors and to limit quantities.

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