Analyses and Measurement


The need for both qualitative and quantitative analyses of phytohormones in the most varied plant materials is of growing interest, day by day, to an increasing number of biologists, involved in both fondamental and applied science..

CEDEVIT offers you the following analyses:


THE PHYTOHORMONES that can be extracted, purified, separated and measured are:


The auxins

The free polyamines

The ethylene and the CO2

Others

NEW The antioxydants: ORAC, DPPH, ABTS, Phénols, Vit C, flavonols, anthocyanes, sélénium, ...
(More information in french)

Home



The AUXINS

Types :
IAA : indolyl-3-acetic acid
IAAsp : indolyl-3-acetyl-aspartic acid
IAAal : indolyl-3-acetyl-L-alanine
IAAgl : indolyl-3-acetylglycine
IBA : indolyl-3-butyric acid
IBAal : indolyl-3-butyryl-b-alanine
NAA : 1-naphtalene acetic acid

Samples necessary :
The analyses (of all auxins simultaneously) are made with samples of
500 mg of fresh or frozen (by liquid nitrogen) materials
Three analyses are generally advised.

Technics :
The measurement are made by HPLC using the natural fluorescence of auxins.
The detection threshhold is in the order of 5 nmol/g of fresh material.

Prices (VAT excluded):
850 € for 12 samples.
1050 € for 24 samples.
Estimate for greater quantities on demand.

Delays : 8 to 15 days.

Go up



The FREE POLYAMINE

Types :
Putrescine (di-amine)
Spermidine (tri-amine)
Spermine (tetra-amine)

Samples:
The analyses (of all polyamines simultaneously) are made with samples from
150 g to 200 mg of fresh or frozen (by liquid nitrogen) material or 20 mg of dryed material (lyophilisated).
Three analyses are generaly advised.

Technics :
The measurements are made by HPLC using the fluorescence after dansylation.
The detection threshhold is in the order of 100 nmol/g fresh material.

Prices (VAT excluded):
500 € for 12 samples.
750 € for 24 samples.
Estimate for greater quantities on demand.

Delays :8 to 15 days.

Go up



The ETHYLENE and the CO2

Types :
Ethylene and CO2 present in closed containers
Endogenous ethylene
Capacity of ethylene production
Capacity of ACC conversion in ethylene

Samples:
The analyses (ethylene or CO2) are made on samples from 150 to 200 mg of fresh material.
Three analyses are generally advised.

Technics :
The measurement are made by gas chromatography.
The detection threshhold is in the order of 0.01 mm³/g fresh material for ethylene and 0.1 mm³/g for the CO2.

Prices (VAT excluded):
300 € for 25 measurements
400 € for 50 measurements of:
            - ethylene or CO2 present in the closed containers
            - endogenous ethylene
            - the capacity of ethylene production
            - the capacity of ACC conversion in ethylene.
Estimate for greater quantities on demand.

Delays : 8 days.

Go up



OTHERS

Outside of the measuring and analyses of phytohormones currently carried out, CEDEVIT can develop special analyses on request.