期刊
APPLIED RADIATION AND ISOTOPES
卷 57, 期 2, 页码 225-233出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0969-8043(02)00077-5
关键词
F-18; N-13; radioisotopes; PETIS; transfer function analysis; Allium tuberosum; Glycine max
Quantitative analysis of the two-dimensional image data obtained with the positron-emitting tracer imaging system (PETIS) for plant physiology has been carried out using a transfer function analysis method. While a cut leaf base of Chinese chive (Allium tuberosum Rottler) or a cut stem of soybean (Glycine max L.) was immersed in an aqueous solution containing the [F-18]F- ion or [N-13]NO3- ion, tracer images of the leaf of Chinese chive and the trifoliate of soybean were recorded with PETIS. From the time sequence of images, the tracer transfer function was estimated from which the speed of tracer transport and the fraction moved between specified image positions were deduced. (C) 2002 Elsevier Science Ltd. All rights reserved.
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