ABSTRACT. Internal transcribed spacer 1 (ITS1) sequences from wild-type Exopalaemon carinicauda (N = 124) from the East China Sea were amplified and sequenced. Sequences were polymorphic and ranged from 388 to 583 bp in length. The average content of GC in sequences was significantly higher than that of AT. Altogether, 604 mutant sites with 123 haplotypes were detected; 46.7% were polymorphic sites. The genetic diversity index of population Y was highest, and the lowest was population X. Eight microsatellite sequences were detected; the most-repeated sequences were (GA)n, (AG)n, (GT)n, (TG)n, (TC)n, and (CT)n. Analysis of molecular variance revealed that genetic differentiation among the four populations were very weak, or modest. A molecular evolutionary tree was constructed using the neighbor-joining method and MEGA 6.0, and the phyletic evolutionary relationships among several Palaemonidae species examined. The phylogenetic tree showed that individuals of the same species, as well as the species of the same genus, clustered together, consistent with morphological classifications.
The well-aligned ZnO nanorod arrays were fabricated through a simple chemical process under low temperature. The nanorod arrays were characterized by XRD, SEM, TEM, HRTEM and SAED, and their optical performances were investigated with Raman and PL spectroscopy. The results show that the as-prepared ZnO nanorod arrays are dense, the individual ZnO nanorod is hexagonal shape and grows along c-axis perpendicular to the substrate surface with good single crystal in nature. The Raman property of nanorod arrays displays change with the altering the preparation conditions. Moreover, the PL performances of ZnO nanorod arrays exhibit tunable character with adjusting the synthesis conditions.
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