IOSR-JAP   Volume-8 ~ Issue-3 ~ May-June 2016

ABSTRACT: In this work, experimental and theoretical study on the molecular structure and the vibrational spectra of Maleic anhydride is presented. The vibrational frequencies of the title compound were obtained theoretically by HF and DFT calculations employing the standard 6-311++G(d,p) basis sets for optimized geometry and were compared with Fourier transform infrared spectrum (FTIR) in the range of 100–4000 cm−1 and with Fourier Transform Raman spectrum in the range of 100–4000 cm−1. Complete vibrational assignments, analysis and correlation of the fundamental modes for the title compound were carried out........

Keywords: Maleic anhydride; HF & DFT; HOMO-LUMO; FMO; hyperpolarizability; MEP

[1]. D.N. Sathyanarayana, Vibrational Spectroscopy—Theory and Applications, second ed., New Age International (P) Limited Publishers, New Delhi, 2004.
[2]. P.R. Singh, S.K. Dikshit, Molecular Spectroscopy Principles and Chemical Applications, first ed., S. Chand & Company Limited, New Delhi, 1985.
[3]. For excellent reviews of DFT and its applications, see :R.G. Parr,W.Yang, Density Functional Theory of Atoms and Molecules, Oxford, New York, 1989; R.O. Jones, O. Gunnarson, Rev. Mol. Phys. 61 (1989) 689; T. Ziegler, Chem. Rev. 91 (1991) 651.
[4]. W. Kohn, L.J. Sham, Phys. Rev. A140 (1965) 1133.
[5]. W.J. Hehre, L. Radom, P.V.R. Schleyer, J.A. Pople, Ab initio Molecular Orbital Theory, Wiley, New York, 1986.

ABSTRACT: NiFe2O4 nanoparticles (NFO) prepared by sol gel process based on the citric acid at room temperature. The structure, microstructure, and magnetic properties of the NFO nanoparticles were studied under the effect of calcinations temperature. The prepared nanoparticles were characterized by X-ray diffraction (XRD), Fourier transform infrared spectra (FTIR), transmission electron microscope (TEM) and vibrating sample magnetometer (VSM) studies were carried out to investigate the formation of crystalline nanosized (NFO) spinel.

Keywords: Nanostructures, sol gel process, Spinal ferrites, VSM, XRD..

[1]. L.Q. Luo, Q.X. Li, Y.H. Xu, Y.P. Ding, X. Wang, D.M. Deng, Y.J. Xu, Amperometric glucose biosensor based on NiFe2O4
nanoparticles and chitosan Sensors Actuators B 145, 2010, 293–298.
[2]. L. LUO, Y. ZHANG, F. LI, X. SI, Y. DING, D. DENG, T. WANG, ENZYME MIMICS OF SPINEL-TYPE CO(X)NI(1-X)FE2O4 MAGNETIC
NANOMATERIAL FOR ELETROCTROCATALYTIC OXIDATION OF HYDROGEN PEROXIDE, ANALYTICA CHIMICA ACTA 788, 2013, 46– 51.
[3]. C. SUN, J.S.H. LEE, M. ZHANG, MAGNETIC NANOPARTICLES IN MR IMAGING AND DRUG DELIVERY. ADVANCED DRUG DELIVERY
REVIEWS 60, 2008, 1252-1265.
[4]. J.B. Haun, T.J. Yoon, H. Lee, R. Weissleder, Magnetic nanoparticle biosensors ,Wiley Interdisciplinary Reviews: Nanomedicine
and Nanobiotechnology 2, 2010, 291-304.

ABSTRACT: This study presents new construction design stacks for optimal edge filters of long and short- wave pass using a needle technique as synthesis method. We investigated construction stacks have proper number of layers with controlling the thickness of each layer. In visible-near IR region (0.3-0.9μm), here we intend to investigate solutions for many practical problems. Results appears procedure highest transmittance reach to (100%) with maintained the steepness of edge. Also results demonstrate that our approach is powerful technique enable to offered new design construction with advanced performance where no ripples in passband for wider range of wavelengths.

Keywords: Designs of edge filter, modelling of edge filters, optimization interference filters

[1] Gang Bao and Yuliang Wang, "Optimal design of antireflection coatings with different metrics", J. Opt. Soc. Am. 2013,30 (4) .
[2] Lei Li Qiong-Hua Wang, Da-Hai Li and Hua-Rong Peng, "Jump method for optical thin film design", Optical Society of America, 2009, 17 (19).
[3] R. Rabady and A. Ababneh, "Global optimal design of optical multilayer thin-film filters using particle swarm optimization", International journal for light and electro-optics, 2014, 125, (1).
[4] Alaa Nazar,"Design optical filters using two different synthesis approaches", Journal of Kufa-Physics, 2011, 3 (1).
[5] I. Ya. Yaremchuk, V.M. Fitio, Ya. V. Bobitski, "New design of interference band-pass infrared filter", Opto-Electronics Review, 2011, 19 ( 2), pp. 193-197.

ABSTRACT: This is notify to all the human race about the mystery of universe. The earth is always variable, the high significant picture of the world is very painful, different kinds of violence, natural disaster and others difficulties is existing . It is the question of the situation. How can the people will be able to survive from the against position............

Keywords: Atmosphere of sun, Distasting, Explosion, Science, Survive

.........................................................

ABSTRACT: CT offers an effective diagnosis on lesion and pathology; however, it also delivers a radiation dose to patients.TLD chips was used to measured personal dose in the field of radiation protection. The aim of this study was to evaluatpatient doses from Computed Tomography Diagnosis using TLD-700chips and Compareingit with those measured by using CT ion chamber (nC100/sec) for CT machine (I). TLD-700 samples were exposed to different doses from verses organs (brain, shoulder, chest, abdomen and pelvis) to the CT machine (II). Compare between the output results from CT machine (II) and TLD-700 dose measured..........

Keywords: CT machine, TLD-700, CT ion chamber

[1] Radiation MeasurementsVolume 46, Issue 12, December 2011, Pages 2048–2051Proceedings of the 16th Solid State Dosimetry Conference, September 19-24 , Sydney , Australia
[2] Radiol Bras vol.39 no.3 São Paulo May/June 2006 http://dx.doi.org/10.1590/S0100-39842006000300011
[3] Med Phys. 2008 Sep; 35(9): 3866–3874. Published online 2008 Aug 7. doi: 10.1118/1.2959847
[4] Boone JM. The trouble with CTDI100. Med Phys 2007;34:1364 –1371.
[5] Knoll G. F., Radiation Detection and Measurement, 3rd ed. (Wiley, New York, 1999).
[6] American Association of physicists in Medicince Journal of Applied Clinical Medical Physics,Home > Vol 13, No 6 (2012) > Received 10 February 2012: Accepted 26 June 2012.

ABSTRACT: Green synthesis of silver nanoparticles by the help of green plants is a very cost effective, safe, non-toxic, eco-friendly route of synthesis which can be used for the manufacture at a large scale. The formation of the nanoparticle is identified by the colour change occurred in the solution of silver nitrate after the addition of plant extract. This colour change is due to the property of quantum confinement which is a size dependent property of nanoparticles which affects the optical property of the nanoparticles.......

Keywords: Green Synthesis, Silver Nano particles, Hibiscus Rosa Sinensis

[1] Daisy Philip, Physics E 42(2010) Green synthesis of gold and silver nano particle using hibiscus roasa sinensis.
[2] Ahamed A Moosa, Ali Mousa Ridha and Mustafa Al-Kaser, Process parameters for green synthesis of silver nno particle using leaves extract of Aloe Vera Plant, IJMCR, (2015), ISSN 2321-3124.
[3] Sharma, V.K.Yngard, R.a & Lin, Silver nano particle; green synthesis and their antimicrobial activitie, ACIS 145(1-2), (2009), pp(83-86).
[4] Iravani S, Korbekandi H, Mirmohammadi SV, Zolfaghari B, Synthesis of silver nanoparticles: chemical, physical and biological methods. Research in Pharmacuitical Sciences, (2014); 9(6): 385–406
[5] Elzondo.N et al, Green Chemistry-Environmentally begin approaches; Shanghai, China;) Green synthesis of silver and gold nano particles. (2011), intech pp 139-156

ABSTRACT: Integrated optical biosensors have become an apparent tool that can be used to detect interactions at the biomolecular level. These biosensors offer advantages like reactiveness, dimensions, cost involved in fabrication, manufacturing and ability for multiplexing. Among many, Mach-Zehnder Interferometric biosensor is one such sensor which is generally used in biosensing application as it is a fusion of sensitive mechanisms of waveguide and interferometer...........

Keywords: Evanescent field, homogeneous sensitivity, optical biosensors, parameter, waveguide

[1] Jose Luis Santos, FaramzrzFarahi, Handbook of Optical Sensors(CRC Press)
[2] Stefania Dante, Daphne Duval,Ana Belen González Guerrero, Johann Osmond, Kirill Zinoviev, Borja Sepulveda, Carlos Dominguez, Laura M.Lechuga, Towards a complete Lab‐On‐Chip system using integrated Mach-Zehnder interferometers, Opt.Pura Apl.45(2) 87-95(2012)© Sociedad Española de Óptica
[3] Michael Ian Lapsley, I.-Kao Chiang, Yue Bing Zheng, Xiaoyun Ding, XiaoleMaoab and Tony Jun Huang, A single-layer, planar, optofluidic Mach–Zehnder interferometer for label-free detection, The Royal Society of Chemistry 2011 Lab Chip, 2011, Lab Chip, 2011, 1795–1800 | 1795
[4] D. Duvala, A. B. González-Guerreroa, S. Dantea, C. Domínguezb, L. M. Lechuga,Interferometric waveguide biosensors based on Si-technology for point-of-care diagnostic, Silicon Photonics and Photonic Integrated Circuits III, Proc. of SPIE Vol. 8431, 84310P · © 2012 SPIE

ABSTRACT: An attempt made to optimize the operating parameters involved in an autogenous pulsed Nd: YAG laser welding process of similar and dissimilar combinations of butt joint of 2 mm thick 316 L stainless steel and mild steel. Influence of prominent laser welding parameters such as average peak power, defocus position, spot position, and shielding gas were investigated for welded joints considered. Thus, parameters are optimized for different combinations of welding joints such as similar 316L stainless steel, similar mild steel and dissimilar 316L stainless steel-mild steel made successfully.

Keywords: Pulsed laser, AISI 316 L stainless steel, mild steel, peak power, defocus position, spot position, and shielding gas.

[1] Welding of tailored blanks of different materials. J.Tusek, Z.Kampus and M.Suban. 2001, Journal of materials processing and technology, Vol. 119, pp. 180-184.
[2] Hand held laser welding of metals using fibre optics. G.Nath. 1974, Optics and laser technology, Vol. xx, pp. 233-235.
[3] Recent developments in stainless steels. K.H. Lo, C.H. Shek and J.K.L. Lai. 2009, Materials science and engineering R, Vol. 65, pp. 39-104.
[4] Optimization of different welding processes using statistical and numerical approaches- A references guide. Olabi, K.Y.Benyounis and A.G. 2008, Advances in engineering software, Vol. 39, pp. 483-496.
[5] Hot cracking in Al-Mg-Si alloy laser welding – Operating parameters and their effects. E. Cicala, G.Duffet, H.Andrzejewski, D.Grevey and S.Ingot. 2005, Materials Science & Engineering A, Vol. 395, pp. 1-9.

ABSTRACT: The Nield-Kuznetsov integral function is studied in this work and some of its additional properties
and representations are discussed. In particular, its representations in terms of Bessel and Hankel functions are
derived. Ascending series approximations are presented in a form more suitable for computations using Cauchy
product. An initial value problem is formulated and solved using ascending series and asymptotic
approximations.............

Keywords: Airy's non-homogeneous equation, Nield-Kuznetsov function..

[1]. D. A. Nield and A. V. Kuznetsov, The effect of a transition layer between a fluid and a porous medium: shear flow in a channel,
Transport in Porous Media, 78, 2009, 477–487.
[2]. M.H. Hamdan and M.T. Kamel, "On the Ni(x) integral function and its application to the Airy's non-homogeneous equation,
Applied Math.Comput., 217#17, 2011, 7349–7360.
[3]. S.M. Alzahrani, I. Gadoura and M.H. Hamdan, Ascending series solution to Airy's inhomogeneous boundary value problem, Int. J.
Open Problems Compt. Math., 9#1, 2016, 1-11.
[4]. M.H. Hamdan and M.T. Kamel, A Note on the asymptotic series solution to Airy's inhomogeneous equation, Int. J. Open Problems
Compt. Math., 4#2, 2011, 155–161.
[5]. M.S. Abu Zaytoon, Flow through and over porous layers of variable thicknesses and variable permeability, PhD hhesis, University
of New Brunswick, Saint John, N.B., Canada, 2015.

ABSTRACT: The aim of this study is to estimate the surface free energy of thin films of polyaniline doped directly in the production process with sulfuric acid, by measuring the contact angle. Synthesis of polyaniline (PANI) was performed at 0°C and at room temperature 20°C. Samples of thin films were obtained by the method of rotating disc at different speeds. Thereafter, the contact angle was measured between ethylene glycol and the film, and distilled water and the film. Based on the angle we calculated polar, disperse and total free surface energy...............

Keywords: polyaniline, thin films, doping, contact angle, surface free energy.

[1]. Izet Gazdić, Senada Avdić, Suada Sulejmanović, Suada Bikić, Almedina Modrić-Šahbazović, Journal of Trends in the Development of Machinery and Associated Technology Vol. 17, No. 1, ISSN 2303-4009 (online), p.p. 77-80, (2013),

[2]. G.G Wallace, G.M. Spinks, L.A.P.Kane-Maguire, P.R. Teasdale, Conductive Electroactive Polymers – Intellignet Polymer Systems, CRC press, Boca Raton, 2009,
[3]. Lj. Duić, Polimeri 13 (1992) 20-25
[4]. S. Badhra, D. Khastgir, N. K. Singha, J. H. Lee, Progress in Polymer Science 34 (2009) 783-810
[5]. J. Wu, D. Zhou, C.O. Too, G.G. Wallace, Synthetic Metals 155 (2005) 698-701,

ABSTRACT: The assessment of radioactivity levels of soils samples from Port Said government in Egypt has been studied. The radioactivity level of 15 samples have been measured with a low-background HpGe and RS-230 detector. The radioactivity concentrations of 238U, 232Th and 40K. In order to evaluate the radiological hazard of the natural radioactivity, the radium equivalent activity Raeq, the absorbed dose rate D, the annual effective dose rate and the external hazard index (Hex) have been calculated and compared with the internationally approved values. The study provides background radioactivity concentrations in a Port Said government, specifically in the beaches area.

Keywords: Natural radioactivity, HPGe detector,Port Said; External hazard index.

[1]. Farouk M A , Al‑Soraya A M. 226Ra as a standard source for efficiency calibration of Ge (Li) detector. Nucl Inst Methods 1982; 200: 593‑5.
[2]. Tzortzis M, Tsertos H, Christofide S, Christodoulides G. Gamma‑ray measurements of naturally occurringradioactive samples from cyprus characteristic geological rocks. Preprint UCY‑PHY‑02/02 (physics/0212099). RadiatMeas 2003. [In press].
[3]. Beretka J, Matthew PJ. Natural radioactivity of Australian building materials, industrial wastes and by‑products. Health Phys 1985;48:87‑95.
[4]. Krisiuk E M , Tarasov S I , S ha m o v VP , S ha l ak NI , Lisachenko EP, Gomelsky LG. A Study on Radioactivity in Building Materials. Leningrad: Research Institute for Radiation Hygiene; 1971.

ABSTRACT: Chaotic inflationary scenario in spatially homogeneous Bianchi Type I space-time following Linde [14] and using power law inflation i.e. R3 = tn, n > 1 Barrow [23], is discussed where R is scale factor. It is found that the inflationary parameters viz. slow roll parameters, non-Gaussianity parameter and anisotropic parameter are in excellent agreement with Planck results for canonical scalar field. It has also been observed that inflation is natural consequence of Chaotic initial conditions in the early universe and chaotic inflationary scenario is realized for anisotropic Bianchi Type I space-time..............

Keywords: Bianchi I, chaotic inflation, anisotropic, spatially homogeneous. PACs Nos.: 98.80 .cq, 11.10 wx

[1]. A.A. Starobinsky. Phys. Lett. B 91, 99 (1980).
[2]. V.F. Mukhanov and G.V. Chibisov. JETP Lett.33, 532 (1981).
[3]. A.H. Guth. Phys. Rev. D. 23, 347 (1981).
[4]. D.A. Kirzhnits, A.D. Linde. Annals. Phys. 101, 195 (1976).
[5]. R. Myrzakulov and L. Sebastiani. Astrophys. Spac Sci. 356, 205 (2015).

ABSTRACT: A ground magnetic survey was carried out in the areas around Omu-Ijelu in the basement complex of southwestern Nigeria, using the Proton precession magnetometer. The aim was to map the magnetic mineralization of the charnokitic dykes in the area and determine their approximate burial depths and lateral extents. Total magnetic field intensity data was acquired along four irregularly spaced E-W traverses at stations spaced 10 m along each traverse. Diurnal correction was applied to the data after which they were smoothed using a running mean technique...............

Keywords: Basement complex, Charnokitic dykes, Magnetometer, Diurnal correction, Magnetic anomalies

[1]. C. Reeves, Aeromagnetic surveys: Principles, practices and interpretation, Published by Geosoft, 2005.
[2]. J.A. Kilpatrick and D.J. Ellis, C-type magmas: Igneous charnokites and their extrusive equivalents, Trans. R. Soc. Edinburgh Earth Sci., 83, 1992, 155-164.
[3]. O.A. Ademeso, Deformation traits in the charnokitic rocks of the Akure area, southwestern Nigeria, Asian Journal of Earth Sciences, 2(4), 2009, 11-120.
[4]. M.A. Rahaman, Review of the basement geology of south western Nigeria. In C.A. Kobe (Editor) Geology of Nigeria. 2nd edition. Rockview Publishers, Jos, pp. 39-56, 1973.
[5]. E. Okwoli, O.S. Onoja and U.E. Udoeyop, Ground magnetic survey and electrical mapping for basement structures over charnokitic terrain in Ado-Ekiti, south western Nigeria, International Journal of Science and Technology, Vol. 3(10), 2014, p. 683-689.

ABSTRACT: Pure Zinc sulphide nanocrystals were synthesized by simple chemical precipitation method. Samples were calcinated at two different temperatures in muffle furnace followed by furnace cooling up to room temperature. XRD analysis confirms that all samples have hexagonal structure with no impurity phases. The lattice parameter, Volume of unit cell, X-ray density and grain size were calculated by using XRD data. The SEM study confirms that, the crystals are agglomerates. The optical energy band gap of ZnS samples were estimated using UV-Visible absorption analysis. The FTIR spectra are carried out to analyze the chemical composition and quality of the compound and peaks............

Keywords: ZnS; Nanocrystals; Precipitation; SEM; FTIR

[1]. Prayas Chandra Patel, Neelabh Srivastava, P. C. Srivastava, Synthesis of Wrutzite ZnS Nanocrystals at low temperature, J Mater Sci: Mater Electron, (2013), s10854-013-1367.
[2]. S. Senthilkumaar and R. Thamiz Selvi, Formation and Photoluminescence of Zinc Sulphide Nanorods, Journal of Applied Sciences, 8(12): 2306-2311, 2008.
[3]. Tran Thi Quynh Hoa, Le Van, Ta Dinh Canh and Nguyen Ngoe Long, Preparation of ZnS nanoparticles by hydrothermal method, Journal of Physics, Conference Series 187 (2009) 012081.
[4]. J. F. Xu, W Ji, J. Y. Lin, S. H. Tang, Y.W. Du, Preparation of ZnS nanoparticles by ultrasonic radiation method, Applied Physics A, 66, 693-641 (1998).
[5]. X. M. Meng, J. Liu, Y. Jiang, W. W. Chen, C. S. Lee, I Bello, S. T. Lee, Structure and size-controlled ultrafine ZnS nanowires, Chemical Physics Letters, 382 (2003) 434-438.

ABSTRACT: Annihilations, phase shifts, scattering lengths and elastic cross sections of low energy positrons scattering from magnesium atoms were studied using the least-squares variational method (LSVM). The possibility of positron binding to the magnesium atoms is investigated. A trial wave function is suggested to represent e+-Mg elastic scattering and scattering parameters were derived to estimate the binding energy and annihilation rates. The trial function is taken to depend on several adjustable parameters, and is improved iteratively by increasing the number of terms. The present results have the same behavior as reported semiempirical, theoretical and experimental results. Especially, the estimated positive scattering length supports the possibility of positron-magnesium bound state system that was confirmed in previous experimental and theoretical work.............

Keywords: Bound wave function, Positron Annihilation, scattering phase shift, scattering length

[1]. K. Fedus and G.P. Karwasz, ACTA PHYSICA POLONICA A. 3, 2014, 125. [2]. J. R. Danielson, A. C. L. Jones, M. R. Natisin, and C. M. Surko, Phys. Rev. A, 88, 2013, 062702, .
[3]. M. W. J. Bromley, J. Mitroy and G. Ryzhikh, J. Phys. B: At. Mol. Opt. Phys. 31, 1998, 4449–4458.
[4]. C. M. Surko and R. G. Greaves, Phys. Plasmas, 11, 2004, 2333.
[5]. C. M. Surko, G. F. Gribakinand S. J. Buckman, Journal Phys. B: At. Mol. Opt. Phys. 38, 2005, R57-R126.