Volume-10 ~ Issue-7 ~ July-2017

Abstract: The study was aimed at assessing the levels of some toxic metals in different Lipstick products sold at different shopping malls and markets in Goa Metropolis. The cosmetic items included eighteen lipsticks of various prices. The lipsticks were digested and analyzed for heavy metals ( lead, cadmium and Nickel) using atomic absorption spectrophotometer.It is obvious from the present study that the use of these lipsticks exposes users to low concentrations of toxic heavy metals which could constitute potential health risk to users since they are known to accumulate in biological systems over time. Similarly, regular monitoring of other heavy metals and chemicals used in the manufacture of lipsticks products which may cause health risks to users should be emphasized.

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Abstract: The azo dye namely 4-nitro phenyl azo salicylic acid was synthesized and characterized by IR ,UV and NMR spectroscopy. The monomer was synthesized by the reaction of azo dye namely 4-nitrophenyl azo salicylic acid and methacryloyl chloride in the solvent medium of THF under reflux. Lastly the monomer 2- methacryloyl-1- (4'-nitro-4-azo-1'-phenyl)salicylic acid was co-polymerzed with methylacrylate in the solvent medium of DMF at 110oc. All the monomers and co-polymer were characterized by IR,UV and NMR spectroscopy. The polymer has good photoconducting property.........

Keywords: 4-nitrophenyl azo salicylic acid, 2-methacryloyl-1-(4'-nitro-4-azo-1'-phenyl) salicylic acid, co-polymer, radical polymerization.

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Abstract: The influences of the various preparation parameters (including the pH value, reaction temperature, and holding time) on the phase formation and morphology development were investigated in detail. Graphite was observed on the surface of γ- Bi2MoO6 after the co-precipitation and calcination treatment. The synthesized Bi2MoO6 –Graphite flake composite nanoparticles (NP's) were characterized with X-ray diffraction (XRD) for identify crystalline phases and particle size, Raman spectroscopy is identify active species during the reaction, UV-Visible diffuse reflectance spectroscopy (UV-DRS) revealed for band energy of semiconductors, Field emission scanning electron microscopy(FE-SEM) to determine.............

Keywords: Co-precipitation, Graphite, Photocatalytic degradation, Calcination

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Abstract: In present study nanowires of iron were fabricated by both alternate current (a.c) and direct current (d.c) by using nanoporous anodized aluminium as a template. Nanowires in anodic alumina template were fabricated by electrodeposition method. It has been investigated that synthesis of nanowires is possible by using both a.c and d.c electrodeposition. The nanowires obtained by using a.c electrodeposition were elongated and more stable where as nanowires fabricated by using d.c electrodeposition were less stable. Optimum time attained for the synthesis of nanowires in a.c depostion was 5 minutes where as in case of d.c deposition nanocrystals of different shapes were obtained due to less stability. Average diameter of nanopores obtained in anodized aluminium was 150 nm by using phosphoric acid as a electrolyte. Length of nanowires obtained by using a.c and d.c electrodeposition was 683 nm and 640 nm respectively.

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Abstract: The purpose of this research work is to develop a suitable GCMS method for the quantitativedetermination of genotoxic impurity 2-Dimethylaminoethyl chloride hydrochloride (DMC HCl). The compound is inorganic and it is not easy to quantify at ppm level presentin Chlorpheniramine/ ChlorphenamineMaleate Active Pharmaceutical Ingredients (APIs) with any other methods. Hence the GCMS method was developed on Thermo Scientific, WAXMS, 30 m x 0.32 mm x 0.25μmcolumn using Thermo Scientific Trace 1310 and TSQ at a flow rate of 1.0 mL/min...........

Keywords: (GCMS), Genotoxic impurity; 2-Dimethylaminoethyl chloride hydrochloride (DMC HCl); Thermo Scientific, Chlorpheniramine/ Chlorphenamine Maleate; Threshold of Toxicological Concern (TTC).

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Abstract: Analysis is the basic in every product or service and is very essential in drugs as it deals with life. Analytical chemistry is the study of material with respect to its qualitative and quantitative composition. In order to ensure the safety and efficacy of all drugs throughout all phases of its life shelf, considering its storage, distribution and use, every pharmaceutical product should be analytically monitored to find the impurity level in any pharmaceutical drug with the help of new techniques and methodologies like UV Spectroscopy, IR Spectroscopy, Mass Spectrometry, NMR spectroscopyand HPLC Methods..

Keywords: Validation of Drug, HR/AM/MS , LOD, LOQ,LC-MS and HPLC

[1]. M. V. Lokhande, N.G. Rathod, M.K.. Gupta,Structural elucidation, Identification, quantization of process related impurity in Hydralazine Hydrochloride HR/AM- LC MS/MS, NMR and FTIR technique,Journal of Applied Chemistry,6(2),2013, 05-15.
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Abstract: A facile and eco-friendly method for the synthesis of magnetite nanoparticles (Fe3O4 NPs) via Co-Precipitation in the presence of aqueous leaf extract of Ficus hispida L. The optical, crystalline, structural morphology and magnetic behaviour of the synthesized Fe3O4 NPs were characterized by Ultraviolet-Visible (UV-Vis), Fourier transform infrared (FTIR) spectroscopy, powder X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), and transmission electron microscopy (TEM) and vibrating sample magnetometer (VSM). The absorption spectrum reveals the peak at 379 nm, which confirm the formations of Fe3O4 NPs.................

Keywords: Magnetite nanoparticles, Green Synthesis, Ficus Hispida L.leaf, Methylene Blue dye.

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Abstract: Densities ρ, viscosities η and ultrasonic speeds of soundof binary mixtures of Propiophenone (PPH) with 2-Alkoxy Ethanols [2-Methoxy Ethanol, 2-Ethoxy Ethanol, 2-Butoxy Ethanol] have beenmeasured over the entire composition range from 303.15K to 318.15K and at atmospheric pressure 0.1MPa. Theworked out experimental data has been used to calculate various acoustical parameters like excess molar volume VE, excess ultrasonic velocity UE, acoustic impedance Z, excess acoustic impedance (ZE),................

Keywords: Ultrasonic speed, impedance, excess molecular volume, Intermolecular free-length, Viscosity, isentropic compressibility.

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Abstract: In the present work, the stable silver nanoparticles were synthesized by the bioreduction method. Aqueous leaf extracts of the Plumeria plant was used as reducing and as capping agent. The color change in reaction mixture from bright green to dark brown color was observed which indication of the reduction of Silver ions into Silver nanoparticles. The formation of silver nanoparticles (AgNPs) was characterized by UV-vis spectroscopy, FT-IR, SEM and XRD studies................

Keywords: Plumeria, Silver nanoparticles, UV-vis, XRD, SEM, Anti bacterial activity.

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Abstract: Adansonia digitata (Baobab) pulp and seeds extracts have been tested as corrosion inhibitors for mild steel in 1.0 M H2SO4 solution at room temperature. The inhibition efficiency and corrosion rate were studied using gravimetric, polarization, and electrochemical impedance spectroscopy (EIS) methods. The surface morphology of MS was studied with scanning electron microscope (SEM). Adsorption isotherm was found using experimental data obtained in weight loss measurements................

Keywords: Acid corrosion, Adansonia digitata, extract, Green inhibitor, Mild steel

[1] D. Senthil, R. Saratha, and R. Vasantha, "Corrosion inhibition of mild steel in hydrochloric acid medium using plant extracts – a succinct review ISSN : 2278 – 7798 International Journal of Scienc," vol. 5, no. 12, pp. 3324–3340, 2016.
[2] P. M. Ejikeme, S. G. Umana, M. C. Menkiti, and O. D. Onukwuli, "Inhibition of Mild Steel and Aluminium Corrosion in 1M H 2 SO 4 by Leaves Extract of African Breadfruit," vol. 5, no. 1, pp. 14–23, 2015.
[3] G. Ji, P. Dwivedi, S. Sundaram, and R. Prakash, "Inhibitive E ff ect of Chlorophytum borivilianum Root Extract on Mild Steel Corrosion in HCl and H 2 SO 4 Solutions," Ind. Eng. Chem. Res., vol. 52, pp. 10673–10681, 2013.
[4] N. S. Patel, S. Jauhariand, G. N. Mehta, S. S. Al-Deyab, I. Warad, and B. Hammouti, "Mild Steel Corrosion Inhibition by Various Plant Extracts in 0.5 M Sulphuric acid," Int. J. Electrochem. Sci, vol. 8, pp. 2635–2655, 2013.
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