Ming Ying
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Restoration of endogenous electric fields with a glucose-powered symbiotic bioabsorbable bandage for diabetic wound healing
Abstract INTRODUCTION RESULTS DISCUSSION MATERIALS AND METHODS Acknowledgments Supplementary Materials REFERENCES Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Endogenous electric fields (EFs) are essential for tissue regeneration but are diminished under hyperglycemia conditions, thereby impeding diabetic wound healing.
How We Optimized Top K in Postgres
By Ming Ying on February 13, 2026 In databases, Top K means “give me the K best rows, ordered by some column or value.” Commonly that means “the most recent rows,” “the highest scores,” or “the largest values.” It feels like a basic problem that Postgres should solve. After all, can’t we just create an index? Yet in many production Postgres deployments, Top K is deceptively hard.
Synthesis of nano silver particles using extracellular polysaccharide of Pseudoduganella armeniaca ZMN-3: antibacterial activity, antibacterial mechanism and antibacterial application as coating | BMC Biotechnology | Full Text
The EPS used in this study was extracted and purified from Pseudoduganella armeniaca ZMN-3 [19]. Isolation and purification are shown in Figure S1. After separation and purification, the main component used in subsequent experiments was DSPS-2. The molecular weight of DSPS-2 was determined by high-performance gel permeation chromatography (HPGPC), confirming the high purity of this component. UV analysis of DSPS-2 indicated the absence of nucleic acids or proteins, further verifying its purity.
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