Sporopollenin is a biological polymer found as a major component of the tough outer (exine) walls of plant spores and pollen grains. It is chemically very stable (one of the most inert among …

This website (Sporopollen) is a database created and used by Dr. Jianguang Zhang to finish his PhD. The goal is to professionally collect sporomorph (spore and pollen) data especially fossil …

2018年12月17日 · Sporopollenin is a ubiquitous and extremely chemically inert biopolymer that constitutes the outer wall of all land-plant spores and pollen grains 1. Sporopollenin protects …

2024年3月1日 · In this paper, we focus on a detailed sporopollen analysis of precisely dated (Fang et al., 2021) Eocene strata located in subtropical Asia; we demonstrate a potential …

孢粉通过 口器, 构造, 纹饰, 形状, 及 大小 特征进行排列, 从而帮助用户进行 鉴定孢粉. 随着越来越多的扫描电子显微镜 (SEM) 及透射电子显微镜 (TEM)镜下 孢粉图片 被收集到, 本数据库对 波托 …

2023年9月1日 · In this study, we developed a fluorescence lifetime imaging (FLIM) method to investigate the numbers and lifetimes of fluorophores in sporopollenin. We used 20 pollen …

孢粉素是产生于被子植物产生小孢子的过程中，主要来自于绒毡层。 孢子和花粉外壁主要成分，是类胡萝卜素和类胡萝卜素酯的氧化衍生物。 性质坚固具抗酸、抗生物分解的特性。 孢粉素产 …

Herein, we review the currently accepted understanding of the molecular regulation of sporopollenin biosynthesis and examine unanswered questions regarding the requirements …

Sporopollenin is a ubiquitous and extremely chemically inert biopolymer that constitutes the outer wall of all land-plant spores and pollen grains 1. Sporopollenin protects the vulnerable plant …

In order to reconstruct the paleoclimate and explore its evolution model and response to the global paleoclimate during the Mid−Late Pleistocene in the Bayinhua Basin, West Ujimqin …