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[Influence of Arsenate and Phenanthrene on Carbon-groups of L. Roots]. | LitMetric
To ascertain absorption of arsenate and phenanthrene as well as their influence on carbon groups in excised roots of L., the chemical structure of the carbon groups in excised roots was characterized by solid stateC-Nuclear Magnetic Resonance (C-NMR). The results showed that the excised roots could effectively absorb As and PHE without transpiration, and PHE promoted As accumulation in the roots. Similarly, arsenate increased the adsorption of PHE by the excised roots, the concentration of PHE was increased by 15%-53% compared with CK. The carbon groups of the excised roots were dominated by O-alkyl C, the percentage of carboxyl C was the lowest, mainly composed of carboxylic acids, esters and amides. With the addition of As and PHE, the percentage of carboxyl C increased significantly. The more stable and complex aromatic organic matter was formed to improve the resistance and adaptability in excised roots of L. under As and PHE stress.
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