Parası kalmadığı için otobüse binemiyordur ailesi porno izle ona daha yeni para gönderdiği için tekrar porno istemeye utanınca mecburen otostop çekmek için youporn çantasını alarak yol kenarına gelir etekli porno liseli türk kız yol kenarında dururken yanına yaklaşan porno kibar bir gencin onu gideceği yere kadar bırakmak porno izle istemesine çok mutlu olur arabaya bindiklerinde gideceği yer ile porno arabayı kullanan adamın gittiği yer arasında çok mesafe sex izle farkı olduğunu anlayan türk kız bu yaptığı porno indir iyilik karşısında arabada ona memelerini açar porno sapıklaşan adam yol kenarındaki hotelde durarak porno izle üniversiteli otostop çeken türk kızına odada sakso çektirip sikerThe Effect of a Surface-Stabilizing Agent on the Antibacterial and Antifungal Properties of Silver Nanoparticles| Abstract
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Abstract

The Effect of a Surface-Stabilizing Agent on the Antibacterial and Antifungal Properties of Silver Nanoparticles

Author(s): Stefan Paul

Silver nanoparticles (AgNPs) produced with biologically active chemicals appear to have particularly important biocidal characteristics for biological and medicinal applications. The goal of this study was to analyse and contrast the antibacterial and fungicidal capabilities of fifteen different AgNPs. The fundamental hypothesis was that the biological activity of AgNPs with similar size distributions, morphologies, and ion release profiles is influenced by the characteristics of stabiliser molecules adsorbed on their surfaces. As models for two types of bacterial cells, Escherichia coli and Staphylococcus aureus were used. According to the research, larger AgNPs are more biocidal than smaller ones. Positively charged arginine-stabilized AgNPs (ARGSBAgNPs) were found to be the most biocidal of all the nanoparticles studied. Negatively charged EGCGAgNPs made with ()-epigallocatechin gallate have the most potent antifungal activity (EGCG). It was discovered that by using a specific stabilising agent, AgNP toxicity can be tuned to target specific infections.


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