DNA-binding, antioxidant, H2O2 sensing and photocatalytic properties of biogenic silver nanoparticles using Ageratum conyzoides L. leaf extract

被引:56
作者
Chandraker, Sandip Kumar [1 ]
Lal, Mishri [1 ]
Shukla, Ravindra [1 ]
机构
[1] Indira Gandhi Natl Tribal Univ, Dept Bot, Lab Bioresource Technol, Amarkantak 484887, Madhya Pradesh, India
关键词
GREEN SYNTHESIS; PLANT; BIOSYNTHESIS; PARTICLES; AGNPS;
D O I
10.1039/c9ra03590g
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Green nanotechnology is gaining widespread interest owing to the elimination of harmful reagents and offers a cost-effective synthesis of expected products. In the present study, silver nanoparticles (AgNPs) were synthesized from Ageratum conyzoides leaf extract (ACLE). UV-visible spectrophotometry showing a characteristic SPR peak at 443 nm verified the phytosynthesis of AC-AgNPs. The FTIR spectrum was examined to identify the efficient functional molecules responsible for the reduction of Ag+ to metallic silver (Ag-0). SEM, TEM and XRD illustrated the formation of crystalline and spherical NPs with a size range of 14-48 nm. EDX data showed the presence of elemental silver with an energy peak at 3 eV. CT-DNA interaction with AC-AgNPs was investigated and the UV absorption spectra revealed a bathochromic effect indicating groove binding. AC-AgNPs showed a strong antioxidant property in a concentration-dependent manner when analyzed by DPPH and ABTS radical scavenging assay. AC-AgNPs were investigated as a SPR-based H2O2 sensor, which can provide promising opportunities in medical and environmental fields to detect reactive oxygen species such as H2O2. The catalytic effectiveness of phytosynthesized NPs was also examined within 2 h of exposure for methylene blue degradation under sunlight. There is thus a reasonable potential application of green synthesized AC-AgNPs for the degradation of hazardous synthetic dyes.
引用
收藏
页码:23408 / 23417
页数:10
相关论文
共 44 条
[1]  
Ahmed S., 2015, J NANOMED NANOTECHNO, V6, P309, DOI [10.4172/2157-7439.1000309, DOI 10.4172/2157-7439.1000309]
[2]   Role of capping agents in controlling silver nanoparticles size, antibacterial activity and potential application as optical hydrogen peroxide sensor [J].
Ajitha, B. ;
Reddy, Y. Ashok Kumar ;
Reddy, P. Sreedhara ;
Jeon, Hwan-Jin ;
Ahn, Chi Won .
RSC ADVANCES, 2016, 6 (42) :36171-36179
[3]   Biogenic Synthesis of Metallic Nanoparticles by Plant Extracts [J].
Akhtar, Mohd Sayeed ;
Panwar, Jitendra ;
Yun, Yeoung-Sang .
ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 2013, 1 (06) :591-602
[4]   Biofabrication of Fe nanoparticles in aqueous extract of Hibiscus sabdariffa with enhanced photocatalytic activities [J].
Alshehri, Abdulmohsen ;
Malik, Maqsood Ahmad ;
Khan, Zaheer ;
Al-Thabaiti, Shaeel Ahmed ;
Hasan, Nazim .
RSC ADVANCES, 2017, 7 (40) :25149-25159
[5]   Prospects of nanoparticle-DNA binding and its implications in medical biotechnology [J].
An, Hongjie ;
Jin, Bo .
BIOTECHNOLOGY ADVANCES, 2012, 30 (06) :1721-1732
[6]   A facile photochemical route for the synthesis of triangular Ag nanoplates and colorimetric sensing of H2O2 [J].
Bera, Raj Kumar ;
Raj, C. Retna .
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 2013, 270 :1-6
[7]   Biogenic synthesis of silver nanoparticles and their antioxidant and antibacterial activity [J].
Bhakya, S. ;
Muthukrishnan, S. ;
Sukumaran, M. ;
Muthukumar, M. .
APPLIED NANOSCIENCE, 2016, 6 (05) :755-766
[8]   Rapid, Facile Synthesis of Silver Nanostructure Using Hydrolyzable Tannin [J].
Bulut, Emrah ;
Ozacar, Mahmut .
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2009, 48 (12) :5686-5690
[9]  
Egunyomi A, 2011, J MED PLANTS RES, V5, P5347
[10]  
Jyoti Kumari, 2016, Journal of Genetic Engineering and Biotechnology, V14, P311, DOI 10.1016/j.jgeb.2016.09.005