Animal blood

In the language of the hunters one is called blood-purely "“sweat"” and serves for the pursuit of a angeschossenen animal. The visibility of the lost blood on the soil or at plants can serve as track. In the case of use of a hunting dog this depends on the smell of the blood, in order to seek out the animal. From therefore it also the term welding dog comes.

People blood

Customs

Since oldest time blood-purely in bed bed after the wedding night as proof for the execution of the marriage by the Entjungferung of the bride one rates. In some regions of the world it is nowadays still usual the fact that the bridegroom its parents for the proof of the virginity of its wife show a bloody sheet or selbiges from the window to hang must. If the woman does not go any longer virgin into the marriage, circumstances are simulated gladly also with animal blood. This custom is common in Europe about still in southern Italy.

Kriminalistik

Already since oldest time blood-pure are used, in order to close on the expiration from force crimes to. In addition there are different proceedings

Conclusions from the geometrical form

By judging the geometrical form of the blood-pure, whether it concerns round drop, with or without splashes around, over elongated drops or around blood smudges, it permits conclusions on it, what happened.

Example: An elongated drop interprets on it that a blood-stained article was moved, for example an axe swung. Conclusion: The victim more than once one hit.

Conclusions from the composition

Since beginning 20. Century it became ever more clearly clear that blood is not equal to blood and that there are possibilities to determine differences free of doubts. 1901 were created the UHL hat test, which permitted, to differentiate between animal and people blood clearly. Through it the protection statement of a force criminal that it concerns with one blood-purely animal blood, could be disproved clearly.

With the discovery of the groups of bloods by Karl Landsteiner it became possible to differentiate between people blood and to exclude at different groups of bloods a certain origin of one blood-purely.

The methods were ever continued to refine, so that ever slight traces for an analysis were sufficient.

Today blood-purely an DNA analysis can be accomplished, those humans due to it clearly identified also from.

Sichtbarmachung of weak blood-pure

The oldest, however uncertain procedure, is applying hydrogen peroxide on a suspicion surface. Where the liquid begins to foam, is either one blood-purely, or another oxidizing substance. The new procedure is more reliable, with which Luminol is sprayed on a suspicion surface: if the trace begins to shine, the blood suspicion is confirmed.

Articles in category "Blood-purely"

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