记述了在广东从化发现的中国蚌科一新记录属、一新记录种,即拟无齿蚌属Pilsbryoconcha,扁平拟无齿蚌Pilsbryoconcha compressa von Martens,1860,对其贝壳形态作了详细描述.介绍了该属物种的主要鉴别特征和分布地区.结合已有资料,推测...记述了在广东从化发现的中国蚌科一新记录属、一新记录种,即拟无齿蚌属Pilsbryoconcha,扁平拟无齿蚌Pilsbryoconcha compressa von Martens,1860,对其贝壳形态作了详细描述.介绍了该属物种的主要鉴别特征和分布地区.结合已有资料,推测本属可能在我国华南地区有更广泛的分布.展开更多
A new compound, 8,8'-dienecyclostellettamine, was isolated from the marine sponge Amphimedon compressa. Its structure was elucidated by spectroscopic methods including 1D and 2D NMR, UV, IR, ESI-MS, MALDI-MS techniqu...A new compound, 8,8'-dienecyclostellettamine, was isolated from the marine sponge Amphimedon compressa. Its structure was elucidated by spectroscopic methods including 1D and 2D NMR, UV, IR, ESI-MS, MALDI-MS techniques. It is probably an important precursor of the manzamine alkoids, and also showed vigorous antibacterial activities.展开更多
文摘记述了在广东从化发现的中国蚌科一新记录属、一新记录种,即拟无齿蚌属Pilsbryoconcha,扁平拟无齿蚌Pilsbryoconcha compressa von Martens,1860,对其贝壳形态作了详细描述.介绍了该属物种的主要鉴别特征和分布地区.结合已有资料,推测本属可能在我国华南地区有更广泛的分布.
基金supported by the National Natural Sciences Foundation of China(No.20472040)the Natural Science Foundation of Zhejiang Province(No.M40703)the Pao Yu-kong and Pao Zhao-Long Scholarship.
文摘A new compound, 8,8'-dienecyclostellettamine, was isolated from the marine sponge Amphimedon compressa. Its structure was elucidated by spectroscopic methods including 1D and 2D NMR, UV, IR, ESI-MS, MALDI-MS techniques. It is probably an important precursor of the manzamine alkoids, and also showed vigorous antibacterial activities.