Antibacterial and Antioxidant Potential of Silver Nanoparticles Biosynthesized Using the Spruce Bark Extract

被引：47

作者：

Tanase, Corneliu ^{[1
]}

Berta, Lavinia ^{[2
]}

Coman, Nastaca Alina ^{[1
]}

Rosca, Ioana ^{[1
]}

Man, Adrian ^{[3
]}

Toma, Felicia ^{[3
]}

Mocan, Andrei ^{[4
,5
]}

Nicolescu, Alexandru ^{[4
]}

Jakab-Farkas, Laszlo ^{[6
]}

Biro, Domokos ^{[6
]}

Mare, Anca ^{[3
]}

机构：

[1] George Emil Palade Univ Med, Dept Pharmaceut Bot, Pharm Sci & Technol Targu Mures, 38 Gheorghe Marinescu St, Targu Mures 540139, Romania

[2] George Emil Palade Univ Med, Dept Gen & Inorgan Chem, Pharm Sci & Technol Targu Mures, 38 Gheorghe Marinescu St, Targu Mures 540139, Romania

[3] George Emil Palade Univ Med, Dept Microbiol, Pharm Sci & Technol Targu Mures, 38 Gheorghe Marinescu St, Targu Mures 540139, Romania

[4] Iuliu Hatieganu Univ Med & Pharm, Dept Pharmaceut Bot, 23 Gheorghe Marinescu St, Cluj Napoca 400337, Romania

[5] Univ Agr Sci & Vet Med, Lab Chromatog, ICHAT, Cluj Napoca 400372, Romania

[6] Sapientia Univ, Fac Engn, Targu Mures 540485, Romania

来源：

NANOMATERIALS | 2019年 / 9卷 / 11期

关键词：

antioxidant; antibacterial; spruce bark; silver nanoparticles; ULTRASOUND-ASSISTED EXTRACTION; AQUEOUS EXTRACTS; POLYPHENOLS;

D O I：

10.3390/nano9111541

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Biosynthesized silver nanoparticles (AgNPs) are widely used in Pharmacy and Medicine. In particular, AgNPs synthesized and mediated by plant extracts have shown topossess several biological activities. In the present study, AgNPs were synthesized using Picea abies L. stem bark extract as reducing agent. Factors, such as metal ion solution, pH, and time, which play a role in the AgNPs synthesis, were assessed. The synthesized AgNPs were characterized by Ultraviolet-Visible Spectrometry, Fourier transform infrared spectroscopy, and Transmission Electron Microscopy (TEM). Further, the study has been extended to evaluate the antimicrobial and antioxidant activity of AgNPs. The broad peak obtained at 411-475 nm (UV-Vis spectroscopy), and the color change pattern, confirmed the synthesis of AgNPs. TEM results showed spherical or rarely polygonal AgNPs with an average size of 44 nm at pH = 9. The AgNPs showed antioxidant activity and antibacterial effect against human pathogenic Gram-positive and Gram-negative bacteria. The results show that spruce bark extract is suitable for obtaining AgNPs, with antibacterial and antioxidant activity.

引用

页数：13

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