PGF offers diversified exposure to financial sector preferred stocks, with 90% fixed-rate holdings and a focus on investment-grade credit quality (average Baa3 rating). The fund's portfolio is mainly ...
PGF invests exclusively in financial sector preferreds, with 90% in fixed-rate holdings, making it highly sensitive to interest rate changes. The fund maintains moderate risk, with over 60% of assets ...
本刊推荐：为解决中性粒细胞在低氧或感染条件下如何发挥抗菌功能的问题，研究人员开展了关于新型纤维结构——蛋白糖纤毛(PGF)的研究。发现活中性粒细胞可释放不含DNA的PGF，其纤维结构由透明质酸(HA)和硫酸软骨素(CS)支撑，能靶向细菌并降解毒力因子，为 ...
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