Hielscher - Ultrasound Technology

Ultrasonic processors for laboratories are mostly used, when preparing samples for analysis. In addition to that, the development of new techniques on the basis of the cavitation effect is getting more and more important. In order to support research work we lend laboratory devices on very good conditions and offer for the following scale up our experience and the required technology.

In biology, molecular biology, biochemistry, biotech­nology and in the medical range ultrasound is used for the disruption of cells for the isolation of DNA, RNA or proteins and for the homogenizing of samples. Muscle tissue, liver tissue or lymphocytes as well as vegetable cells can be disrupted for analysis purposes or for the use of their contents.

The exact control of the amplitude allows for an isolation of the cell nuclei, too. Sensitive materials can be homogenized or disrupted gently.

The sonotrodes can be treated in autoclaves and can be cleaned easily due to their simple geometry, so that contamination does not take place. For special application cases we offer devices and accessories for indirect sonication, so that the sample stays isolated.

The separation of viruses from bacteria or the extraction of active agents from vegetable cells are exemplary for the practice in the pharmaceutical industry.

In the food industry cheese, meat and sausage samples, fruits, or vegetables are homogenized in order to test the quality for consumer protection. In this branch of industry ultrasound is also used for the production of oil/water emulsions, in which very fine droplet sizes of under 200nm can be achieved. The degassing of beverages is useful for analysis. The reducing of germs in liquids is already possible in low temperatures by the use of ultrasound.

Environmental standard tests are the homogenizing of water-, waste water- and soil samples in order to detect or determine oils, radio-active parts or the content of fertilizers.

In the chemical industry ultrasound is used for the production of suspensions, emulsions, for the interference of crystallization or polymerization and for the acceleration of chemical reactions or dissolving processes.

deagglomerating and sieving by means of ultrasound are applications, that are in particular helpful, when manufacturing coatings.

A better permeation of pigments and an even distribution can be reached with ultrasonic applications such as wet coloring and impregnating.

Cleaning is the most common ultrasonic application. The following described laboratory devices can also be set in use for special cleaning tasks, that demand a high ultrasonic intensity on small surfaces e.g. bores can be cleaned by ultrasound, when using thin-bodied sonotrodes.