Showing papers in "Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy in 2015"

TL;DR: The current study has clearly demonstrated that the particle size variations and surface area to volume ratios of ZnO NPs are responsible for significant higher antibacterial activities.

TL;DR: The results of this study confirm that the leaves extract of Ziziphora tenuior can synthesis silver nanoparticles, and the methods of making nanoparticles using plant extracts are view.

TL;DR: The aqueous beetroot extract was used as reducing agent for silver nanoparticles synthesis and revealed faster catalytic activity, offering a valuable contribution in the area of green synthesis and nanotechnology avoiding the presence of hazardous and toxic solvents and waste.

TL;DR: It is observed that the incorporation of the alloy nanoparticles enhances the thermal conductivity of the base fluid (water) showing nanofluid application and the nitric oxide and hydroxyl radical scavenging activity shown by the nanoparticles promise the potential application in biomedical field.

TL;DR: The green synthesis of ZnO nano particles by Zinc Carbonate and utilizing the bio-components of powder extract of dry ginger rhizome has the efficient antimicrobial activity.

TL;DR: Results of vibrating sample magnetometer (VSM) indicated that the prepared Fe3O4 nanoparticles exhibit superparamagnetic behavior and high saturation magnetization at room temperature.

TL;DR: The synthesized Ag NPs showed potent antibacterial activity against Gram positive and Gram negative bacteria and these biologically synthesized nanoparticles were also proved to exhibit excellent cytotoxic effect on breast and lung cancer cell lines.

TL;DR: The results of this investigation showed that silver nanoparticles could be synthesized by tuning significant parameters, while performing the synthesis procedure at optimum conditions leads to formsilver nanoparticles with 21nm as averaged size.

TL;DR: The present study concludes that Pam-ZnO NPs showed effective control of S. aureus biofilms and mosquito larvae by damaging the mid gut cells.

TL;DR: Kinetics evaluation of experiments at various time intervals reveals that adsorption processes can be well predicated and fitted by pseudo-second-order and Elovich models.

TL;DR: Application of Raman spectroscopy in determination of the acetylation degree (DA) of chitosan has been developed and it is fast and does not require purification of the sample nor require dissolution of the chitOSan in any solvent.

TL;DR: It was investigated that the synthesized AgNPs showed inhibition and had significant antibacterial against both gram-positive and gram-negative bacterial strains and AFM has proved to be very helpful in the determination and verification of various morphological features and parameters.

TL;DR: The study successfully demonstrates a simple and eco-friendly method for the synthesis of efficient multifunctional ZnO nanoparticles using green synthetic approach.

TL;DR: The reduced graphene oxide (RGO)/Fe3O4 nanocomposites were synthesized through a facile one-pot green synthesis by using solanum trilobatum extract as a reducing agent to study the catalytic efficiency of prepared nanostructures toward methylene blue (MB) dye degradation mediated through the electron transfer process of BH4(-) ions.

TL;DR: The results of antimicrobial activities revealed that maximum zones of inhibition was observed Gram (+ve) positive bacteria and followed by the Gram (-ve) negative bacteria and fungal at concentration of 200μg/mL of ZnO NPs.

TL;DR: The results showed that effect of time was directly related to synthesized nanoparticles and functional groups has a critical role in reducing the metal ions and stabilizing the palladium nanoparticles in an eco-friendly process.

TL;DR: The result showed that SnO2 NPs shows much degradation activity by the catalytic action of long UV exactly at 365 nm.

TL;DR: The synthesis of silver nanoparticles (Ag-NPs) using seed aqueous extract of Pistacia atlantica (PA) and its antibacterial activity is described, suggesting that the synthesized Ag-nPs act as an effective antibacterial agent.

TL;DR: The results of the study show the potential green synthesis of silver nanoparticles in mitigating their toxicity while retaining their antibacterial activities.

TL;DR: In the present study soil samples were collected at different locations of Yelagiri Hills, Tamilnadu, India for heavy metal analysis and Geo-statistical methods such as kirging identified hot spots of metal contamination in road areas influenced mainly by presence of natural rocks.

TL;DR: The phytosynthesized NPs showed enhanced antimicrobial activity (∼1-4-fold increase in zone of inhibition) in combination with antimicrobials against test strains, and could be used as effective growth inhibitors for various microorganisms.

TL;DR: Kinetic data were fitted using various models and it was revealed that the adsorption rate follows pseudo-second order kinetic model and intraparticle diffusion model.

TL;DR: The present investigation confirmed the estimated band gap 3.51eV and the PL intensity at 402nm in visible region are dependent upon the geometrical shape and size of the ZnO NPs.

TL;DR: A naturally occurring rambutan peel waste was employed to synthesis bioinspired zinc oxide nanochains, which alters and disturbs the growth of cancer cells and could be used for liver cancer cell treatment.

TL;DR: The potential applications of biosynthesized silver nanoparticles using S. trilobatum fruits are shown and anticancer activity of these nanoparticles in vitro against human breast cancer cell line (MCF 7) is demonstrated.

TL;DR: The silica recovered from different sources was found to vary between 52% and 78%.

TL;DR: A simple microwave assisted method for the green synthesis of silver and gold nanoparticles by the reduction of aqueous metal salt solutions using leaf extract of the medicinal plant Aerva lanata is reported.

TL;DR: The Co doped ZnO films were found to exhibit improved photocatalytic activity for the degradation of methylene blue dye under visible light in comparison with the undoped ZNO film and the bactericidal efficiency was investigated against a Gram negative and Gram positive bacteria.

TL;DR: The binding interaction of sorafenib with calf thymus DNA (ct-DNA) was studied using UV-vis absorption spectroscopic, fluorescence emission spectroscopy, circular dichroism (CD), viscosity measurement and molecular docking methods and revealed that there was obvious binding interaction between sorafanib and ct-DNA.

TL;DR: Folate-conjugated gold coated magnetite nanoparticles were synthesized to targeting folate receptor that is overexpressed on the surface of cancerous cells and characterized by various techniques such as X-ray powder diffraction analysis, Fourier transform infrared spectrometer (FT-IR), UV-visible spectroscopy, transmission electron microscopy (TEM) and vibrating sample magnetometer (VSM) analysis.