Biosynthesis and Antimicrobial Activity of Semiconductor Nanoparticles against Oral Pathogens

Malarkodi, Chelladurai; Rajeshkumar, S.; Paulkumar, Kanniah; Vanaja, M.; Gnanajobitha, Gnanadhas; Annadurai, G.

doi:10.1155/2014/347167

Cited by 176 publications

(95 citation statements)

References 47 publications

(57 reference statements)

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“…Streptococcus sp., S. aureus, Lactobacillus sp., and C. albicans Malarkodi et al (2014) occur in the body is over expression and over activity of certain receptors, antigens, growth factors or hormones such as EGFR, vascular endothelial growth factor (VEGF), integrins, transferrin or folate receptors. The cancerous cells exhibit unique properties which can be exploited for detection and treatment by using different NPs.…”

Section: Klebsiella Pneumoniae Cds and Zns Npsmentioning

confidence: 99%

Metallic Nanoparticles, Toxicity Issues and Applications in Medicine

Singla

Guliani

Kumari

et al. 2016

Nanoscale Materials in Targeted Drug Delivery, Theragnosis and Tissue Regeneration

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The metallic nanoparticles (NPs) and their synthetic biology are an active area fascinating both the academics as well as scientific research applications in the field of nanotechnology. These nanostructures are a versatile class of materials such as metal NPs, metal oxide NPs, magnetic NPs and quantum dots for biomedical sciences and engineering due to their huge potential. A handful number of methods are adopted for the synthesis of one or the other kind of metal NPs which includes physical and chemical approaches. Each of the chemical and physical synthesis procedures deals with some limitations such as cost ineffectiveness, use of hazardous chemicals, formation of toxic end products and involvement of high-energy processes. To overcome these drawbacks, an alternative approach of environmentally benign and inexpensive biological synthesis mediated by plants or microbes has been essentially adopted. The variations in size, shape and surface chemistry of NPs affect the properties of metal NPs to a greater extent which in turn have an influence on their biological behaviour. Few metal NPs offer unique optical properties while others possess paramagnetic behaviour and quantum size effect which make them suitable in bio-imaging diagnostic techniques. Some metallic NPs play a role in tissue engineering and other therapeutic applications due to their ease of surface modifications, large surface area to volume ratio, unique electrical and anti-microbial activities. Instead of multi-disciplinary applications of metallic NPs, there is a great concern regarding the toxicity issues associated with the use of these NPs which need to be sorted out by looking out certain ways for favourable architecture involving the synthesis methods and parameters for designing the non-toxic NPs for improving the quality of life.

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Section: Klebsiella Pneumoniae Cds and Zns Npsmentioning

confidence: 99%

Metallic Nanoparticles, Toxicity Issues and Applications in Medicine

Singla

Guliani

Kumari

et al. 2016

Nanoscale Materials in Targeted Drug Delivery, Theragnosis and Tissue Regeneration

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“…Green synthesis also provides the cost effective, non-toxic, large-scale, and high-output nanoparticle products [13]. In biologically mediated nanoparticle synthesis, the microbial enzymes or plant phytochemicals having reducing or antioxidant properties are usually responsible for the reduction of metal ions into respective metal nanoparticles [5].…”

Section: Introductionmentioning

confidence: 99%

The effect of biologically and chemically synthesized silver nanoparticles (AgNPs) on biofilm formation

et al. 2017

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Abstract. Bionanotechnology has emerged up as integration between biotechnology and nanotechnology for developing biosynthetic and environmental-friendly technology for synthesis of nanomaterials. Different types of nanomaterials like copper, zinc, titanium, magnesium, gold, and silver have applied in the various industries but silver nanoparticles have proved to be most effective against bacteria, viruses and eukaryotic microorganisms. The antimicrobial property of silver nanoparticles are widely known. Due to strong antibacterial property silver nanoparticles are used, e.g. in clothing, food industry, sunscreens, cosmetics and many household and environmental appliances. The aim of the study was to compare the effect of silver nanoparticles (AgNPs) synthesized biologically and chemically on the biofilm formation. The biofilm was formed by the bacteria isolated from the water supply network. The commonly used crystal violet assay (CV) was applied for biofilm analysis. In this study effect of biologically synthesized Ag-NPs on the biofilm formation was evaluated.

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“…When the diameter of these semiconductor nanoparticles (NPs) is less than a certain value, known as the exciton Bohr radius, are often specified as quantum dots (QDs) [4]. In this case, their spectral properties become size-dependent, and can turn into potential wells that confine and stabilize electrons in discrete energy levels [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

“…Fortunately, along with fabrication, the application of the biosynthesized metal sulfide nanoparticles has also gained a considerable attention, recently, and their potential to use as photocatalysis materials, electrical devices, antibacterial and antifungal agents has been broadly investigated by many scientists [5]. Consequently, the present study reviews the literatures published worldwide about the techniques and mechanisms of the biosynthesis of the semiconductor metal sulfide nanoparticles and their practical applications.…”

Section: Introductionmentioning

confidence: 99%