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ČSN P CEN/TS 16817-2 (835737)
Kvalita ovzduší - Monitoring geneticky modifikovaných organismů (GMO) - Monitoring pylu - Část 2: Vzorkování pylu pomocí včelstev (Norma k přímému použití jako ČSN).
Automaticky preložený názov:
Kvalita ovzdušia - Monitoring geneticky modifikovaných organizmov (GMO) - Monitoring peľu - Časť 2: Vzorkovanie peľu pomocou včelstiev (Norma na priame používanie ako STN).
NORMA vydaná dňa 1.5.2016
Informácie o norme:
Označenie normy: ČSN P CEN/TS 16817-2
Rozlišovací znak: 835737
Katalógové číslo: 99427
Dátum vydania normy: 1.5.2016
Kód tovaru: NS-637035
Počet strán: 36
Približná hmotnosť: 108 g (0.24 libier)
Krajina: Česká technická norma
Kategória: Technické normy ČSN
Kategórie - podobné normy:
Biologie. Botanika. Zoologie
Ostatní normy týkající se životního prostředí
Anotácia textu normy ČSN P CEN/TS 16817-2 (835737):
This Technical Specification describes a procedure through which pollen - in particular pollen of genetically modified organisms (GMO) - can be sampled by means of bee colonies. Bee colonies, especially the foraging bees, actively roam an area and are therefore area related samplers. Pollen sampling depends on the collection activity of the bees and the availability of pollen sources within the spatial zone according to the bees´ preferences (supply of melliferous plants). A colony of bees normally forages over an area of up to 5 km radius (median 1,6 km, mean 2,2 km), in rare cases some bees may also forage in greater distances up to 10 km and more [26]. Foragers fix the gathered pollen on the outside of their hind legs (pollen loads, also known as pollen pellets). Inside the hive they place these pollen loads into comb cells close to the brood nest (bee bread). Furthermore, foragers gather nectar and honeydew. Nectar contains pollen which fell from the anthers of the blossom into the nectar drop, or pollen which was dispersed by the wind and sticks in the nectar of other blossoms or adheres to the sticky honeydew of plants. Nectar and honeydew are converted to honey and stored by the bees in the beehive. Honey, pollen load and bee-bread may be used as sample matrices for the subsequent analysis of pollen as it is possible to concentrate sufficient amounts of pollen for microscopic and molecular biological diagnostics. Microscopic analysis is used to identify the various pollen types and to quantify the exposure to the target pollen types in question. GMO exposure is analysed by molecular-biological methods: For analysis of pollen DNA quantitative PCR methods are used and described here in this Technical Specification. The analysis of GMO specific proteins and toxins in pollen is possible, too, using ELISA, but to this date the method has not been evaluated enough in pollen matrices for standardization in this Technical Specification
Náhľad normy ČSN P CEN/TS 16817-2 (835737)
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