Exploration of Biogenic Nano-chemobiotics Fabricated by Silver Nanoparticle and Galactoxyloglucan with an Efficient Biodistribution in Solid Tumor Investigated by SERS Fingerprinting
2017
Joseph, Manu M. | Nair, Jyothi B. | Adukkadan, Ramya N. | Hari, Neethu | Pillai, Raveendran K. | Nair, Ananthakrishnan J. | Maiti, Kaustabh Kumar | Therakathinal T, Sreelekha
An incredible exploration ensued of a dual modality nanocomposite wherein chemotherapy in fusion with antibacterial efficacy is obtained in a biogenic fabrication, which transformed as a novel nano-chemobiotics (NCB) prevailing fundamental molecular level investigation by surface-enhanced Raman scattering (SERS) platform. The nanocomposite is a facile, robust, and ecofriendly constitution between silver nanoparticles (SNPs) and a naturally occurring galactoxyloglucan (PST001) denoted as SNP@PST, which displayed biocompatibility with an upgraded selective cytotoxicity toward cancer cells. The relatively nontoxic nature of the SNP@PST on normal cells and red blood cells was further proved by detailed toxicological profiling on BALB/c mice. As a unique outcome, we observed excellent antibacterial activity, which is complementary to the greater cytotoxicity by the NCB. In diagnostic aspect, SNP@PST was revealed to be a superior SERS substrate with multiscale Raman signal enhancement contributed by homogeneous hot-spot distribution. Finally, the inherent SERS feature enabled us to investigate the biodistribution of the NCB in tumor-challenged mice using Raman fingerprinting and mapping analysis. Hence, the unrevealed SNP@PST orchestrated with the surfactant-free green method resembled a potential theransonstic NCB construct with synergistic anticancer and antibacterial potential in a single platform.
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