Examples of esterase

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When the larvae reached early fourth instar, 12-15 larvae were assayed for esterase enzyme activity.
These biopsy specimens were fixed, dehydrated, embedded in wax, sectioned and stained for acid phosphatase, alkaline phosphatase and non-specific esterase.
As the first stage in determination of whether this was a causal correlation, a low esterase line was selected directly from the polymorphic parental population.
Two green and five red colour-esterase forms were newly detected.
By combining the variants at the six polymorphic esterase loci with those in body colour, a total of 2592 colour-esterase forms were distinguishable.
Initially 40 families were reared to obtain ten that had low general esterase activity, whereas only 20 families were reared in the 16th generation.
This method was found suitable for esterase analysis of both individual and groups of adults (fig. 2c).
The same model was applied to esterase phenotypes.
It is still uncertain which esterase changes in activity with the host plant.
When they were considered together for survival estimation purposes, a significant change in esterase composition with time was revealed.
The genetic basis of the esterase polymorphism, however, has been elucidated only partially.
If we strictly refer to the esterase pattern, we should compare all the previous biotypes before defining a new one.
Assessing insect parasitism chose the esterase system as the 'most versatile' system for parasitoid detection in their system.
Both quantitative and qualitative differences were found in esterase patterns of the two biotypes.
Reduction of esterase activity by 99% required 1-hour exposure and 99% loss of autofluorescence required at least 4 hours.
In general, treatment with esterase inhibitors leads to an improvement of strength and can prevent apneic attacks during upper respiratory infections.

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