The Relation Between Endogenous Hormones and Late-Germination in Buds of Avrolles Apple

Heavy atom-chelated filter paper was synthesized and used as the substrate for room-temperature phosphorescence (RTP). The synthesis conditions for chelated paper were studied. The Pb-chelated filter paper could selectively induce the RTP of α-naphthalene acetic acid (α-NAA). The excitation and emission wavelengths of RTP of α-NAA were 300 nm and 521 nm, respectively. The concentration of α-NAA was linear with the RTP intensity in the range 2 × 10−6–6 × 10−4 mol/L (correlation coefficient, 0.9999). The concentration detection limit was 1.35 × 10−7 mol/L and the absolute detection limit was 0.25 ng/spot. The RSD (n = 10) was 1.7%. The method was applied to the analysis of water and vegetable samples with satisfactory results. Because the heavy atom was directly chelated onto the filter paper, the heavy-atom effect on the RTP of NAA was further increased and the analysis procedure was simple, fast and economical. Copyright © 2005 John Wiley & Sons, Ltd.

Application of functional group modified substrate in room temperature phosphorescence, II—heavy atom‐chelated filter paper for selective determination of α‐naphthalene acetic acid

Separation and determination of plant growth regulators by capillary micellar electrokinetic chromatography

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Separation and determination of plant growth regulators by capillary micellar electrokinetic chromatography