Naujienos

Welcome to the May, 2013 edition of SAP newsletter, providing monthly summaries of articles on science & education related topics of interest to scientist and professionals. The mission of our journals is to provide an open access forum for publishing new findings on issues pertinent to scientific and academic field. We also invite you to submit original research papers, review articles, short reports, or case studies are considered for publication in our Multidisciplinary Journals.

Special Offers: Currently, SAP is determined to offer special discounts on the publication fees for any submissions within March 10, 2013 ~May 31, 2013 for the sake of broader dissemination of scientific research results with minimum financial burden. During this duration, authors will be benefit from a lower publication fee of $200. Authors from developing countries only need to pay $90.

The following newly-published articles are listed for your reference.

HEADLINES AT A GLANCE:

New Journal : Journal of Laboratory Chemical Education Editor-in-chief: Prof. Dr. Gary W Breton

Journal Subject: Journal List

Resources and Environment: Toxicity study of heavy metals pollutants in waste water effluent samples collected from Taloja industrial estate of Mumbai, India

The present research work deals with the assessment of pollution due to toxic heavy metals in the industrial waste water effluents collected from Taloja industrial belt of Mumbai. The study reveals that dyes, paints, pharmaceutical and textile industries are some of the major industries contributing to the heavy metal pollutants in the surrounding aquatic environment. It was observed that paint manufacturing industries are the major contributors of toxic Cr, Zn and Pb amounting to 35.2, 33.1, and 31.4 mg/L respectively. It was also observed that major contribution of Cu (33.3 mg/L) was from dyes manufacturing units, while maximum Fe concentration of 12.8 mg/L was found in effluent samples released from textile industries. The concentration of Cd and Ni was found maximum in effluent samples collected from pharmaceutical industries amounting to 35.8 and 33.6 mg/L respectively. The overall results point out high concentration of toxic heavy metals in the effluent samples collected from different industries. These industrial effluents will pollute the near by water bodies affecting the growth of vegetation and aquatic life. These toxic heavy metals when released in aquatic environment will enter the food chain through bio-magnification causing various health problems in humans. The results of the present investigation point out the need to implement common objectives, compatible policies and programmes for improvement in the industrial waste water treatment methods.Keywords Industrial Effluent; Industrial Pollution; Toxic Heavy Metals; Quantification; AAS; Health Hazards; Water Pollution; Taloja Industrial Area; Mumbai. Click Here to View Full Article

World Environment: Pollution in water of Kasardi River Flowing along Taloja industrial area of Mumbai, India

The area of study selected in the present investigation was Kasardi River which receives heavy discharge of waste effluent from the nearby Taloja industrial belt which is one of the fastest developing industrial belt of Mumbai. The study was performed to investigate the concentration of toxic heavy metals like chromium (Cr), cadmium (Cd), nickel (Ni), zinc (Zn), copper (Cu), lead (Pb) and iron (Fe) in river. It was observed that concentration of most of these heavy metals were much higher than the maximum permissible limits. These heavy metals have created threat to the aquatic life and through biomagnifications may enter the food chain thereby affecting the human beings as well. The research work was extended further to study the physico-chemical properties like temperature, pH, solid content, chloride, oil / grease content, BOD and COD values of the river water. The authors point out that as India moves towards stricter regulation of industrial effluents to control water pollution, there is a need to implement common objectives, compatible policies and programmes for improvement in the industrial waste water treatment methods. Click Here to View Full Article

International Journal of Materials and Chemistry: Self-Setting Calcium Orthophosphate Formulations: Cements, Concretes, Pastes and Putties

In early 1980s, researchers discovered self-setting calcium orthophosphate cements, which are a bioactive and biodegradable grafting material in the form of a powder and a liquid. Both phases after mixing form a viscous paste that after being implanted sets and hardens within the body as either a non-stoichiometric calcium deficient hydroxyapatite (CDHA) or brushite, sometimes blended with un-reacted particles and other phases. As both CDHA and brushite are remarkably biocompartible and bioresorbable (therefore, in vivo they can be replaced with a newly forming bone), self-setting calcium orthophosphate cements represent a good correction technique of non-weight-bearing bone fractures or defects and appear to be very promising materials for bone grafting applications. Besides, these cements possess an excellent osteoconductivity, molding capabilities, and easy manipulation. Nearly perfect adaptation to the tissue surfaces in bone defects and a gradual bioresorption followed by new bone formation are additional distinctive advantages of calcium orthophosphate cements. Besides, reinforced formulations are available; those are described as calcium orthophosphate concretes. Furthermore, formulations with high viscosity, such as pastes and putties are also known. The discovery of self-setting formulations has opened up a new era in the medical application of calcium orthophosphates; several commercial compositions have already been introduced as a result. Many more formulations are in experimental stages. In this review, an insight into the self-setting calcium orthophosphate formulations, as excellent biomaterials suitable for both dental and bone grafting applications, has been provided. Click Here to View Full Article

Clinical Medicine and Diagnostics: Antibiotics overuse in children with upper respiratory tract infections in Saudi Arabia: risk factors and potential interventions

Background: Antibiotics misuse is currently one of the major public health issues worldwide. This misuse can lead to the development of bacterial resistance, increasing the burden of chronic diseases, rising costs of health services, and the development of side effects. Several factors may influence this pattern of overuse. Objectives:This article will review the pertinent factors contributing to the overuse of antibiotics worldwide, and to assess the intervention strategies to limit this overuse. Methods: studies about antibiotics use in children were reviewed from several electronic databases, such as MEDLINE and Pubmed. Results: Factors contributing to the overuse of antibiotics could include psychosocial factors, such as behaviors and attitudes (e.g. self-medication, over-the-counter medication, or patients/parents pressure), and demographic factors, such as socio-economic status and education level. Several intervention strategies were reported to be effective in reducing the overuse of antibiotics, such as health education, doctor-patient communication, and policies change. Multifaceted interventions were found to be the most effective in reducing the antibiotics overuse. Click Here to View Full Article

American Journal of Computational and Applied Mathematics: Analytic solutions of the Kadomtsev-Petviashvili equation with power law nonlinearity using the sine-cosine method

In this paper, a sine-cosine method is used to construct many periodic and solitary wave solutions to Kadomtsev-Petviashvili equation with power law nonlinearity. Many new families of exact traveling wave solutions of the Kadomtsev-Petviashvili equation with power law nonlinearity are successfully obtained. Click Here to View Full Article

Nanoscience and Nanotechnology: Core-shell bimetallic Au-Pd nanoparticles: synthesis, structure, optical and catalytic properties

Colloidal dispersions of bimetallic nanoparticles composed of gold and palladium were prepared by wet chemical method, in which Au(III) and Pd(II) ions in an aqueous solution in the presence of a cationic surfactant, Cetyltrimethylammonium bromide (CTAB). The structure and composition of the metallic nanoparticles were characterized by UV-visible spectroscopy (UV-Vis), High-resolution transmission electron microscopy (HRTEM), Scanning electron microscopy (SEM-EDX), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared spectroscopy (FTIR). Transmission electron microscopy photographs showed spherical particles whose size had a fairly narrow distribution with a geometric mean diameter about 9.4 nm. Analyses with UV-Vis spectra indicated that Au(III) ions were first reduced and after their consumption reduction of Pd(II) ions set in. A core-shell structure of the particles, a core of gold and a shell of palladium was confirmed by high-resolution TEM and X-ray diffraction. The catalytic activities of nanoparticles are tested on the hydrogenation reaction between NaBH4 and 4-Nitrophenol reduction was studied spectrophotometrically. Bimetallic nanoparticles exhibited better catalysis that the mono metallic nanoparticles, which may be due to the electronic effects of the core to shell metal atoms. Click Here to View Full Article

American Journal of Fluid Dynamics: Association of Cu (NO< SUB> 3)< SUB> 2 with Kryptofix-221 in Mixed (MeOH-DMF) Solvents at Different Temperatures

Abtract New equation was applied for the Calculation of association constant (KA) from the reaction of Cu(NO3)₂ with Kryptofix-221 in mixed (MeOH-DMF) and in absence and Presence of ligand at different temperatures. From the experimental results, the molar conductance (Λ) were evaluated. The limiting molar conductance (Λ_ο) were also estimated. Gibbs free energies of association (ΔG_A) was also estimated, Moreover, recalculation of (K_A) was achieved by applying Shedlovsky and Fouss-Kraus extrapolation methods. In addition, the molar solvated (V), Van der Waals (V_W), electrostriction (V_e) and apparent molar (Ø_v) volmes were calculated. Also, the enthalpy change (ΔH) and the entropy change (TΔS) for Cu(NO₃)₂ were calculated. The degree of dissociation (α) were also calculated. All the results were discussed in view of ion-solvent interactions. Click Here to View Full Article

International Journal of Networks and Communications: Ultra High Transmission Capacity of Undersea Optical Fiber Cables for Upgrading UW-WDM Submarine Systems

This paper has proposed ultimate optical transmission of ultra multi transmission channels huge submarine cables has been investigated under different depth conditions. Conventional forward Raman amplification technique is considered taking into account the reduction of the four wave mixing (FWM). The double impact of both ambient temperature and pressure effects are also investigated. The transmission technique is studied namely Soliton propagation technique. As well as two multiplexing methods are considered in the design namely ultra wide wavelength division multiplexing (UW-WDM) and ultra-wide space division multiplexing (UW-SDM). Based on experimental data, both the deep ocean water temperature and pressure are tailored as functions of the water depth. The product of the transmitted bit rate and the repeater spacing is processed over wide ranges of the affecting parameters.Keywords Four Wave Mixing, Submarine Systems, Multiplexing Techniques, Soliton Propagation and Undersea Depths. Click Here to View Full Article

American Journal of Polymer Science: A predator-prey model with general holling interactions in presence of additional food

A predator-prey model with general Holling type of interactions in presence of additional food is proposed. The stability of equilibrium points of the system is analysed. The bifurcation analysis is done with respect to Holling parameter as well as quantity of additional food. The model will be useful for construction of real food chain model for predicting future which will be important for bio-conservation and pest management. Click Here to View Full Article

International Journal of Ecosystem: Study on Physico-Chemical Parameters of Waste Water Effluents from Taloja Industrial Area of Mumbai, India

The present research work deals with the study of some of the important physico-chemical parameters of industrial waste water effluents collected from Taloja industrial belt of Mumbai. The study reveals that engineering, paper mill, fine chemical, dyes, paint, pharmaceutical, petrochemical and textile industries are some of the major industries responsible for polluting the surrounding aquatic environment. It was observed that pH values of effluent samples collected from paint, pharmaceutical and dyes industries were slightly above and below the limit of 6.5 to 8.5 by ISI and WHO. The effluent samples collected from textile industries shows extremely high Total Dissolved Soild (TDS) content of 12023.6 mg/L and correspondingly high Total Solid (TS) content of 13499.2 mg/L. The chloride content in the effluents from textile industries was 238.4 mg/L which was significantly high than acceptable limit of 200 mg/L set by WHO. The BOD values of effluent samples collected from pharmaceutical, dyes, engineering and paint industries were 1047.3, 776.2, 604.8 and 535.8 mg/L respectively which lie above the maximum permitted BOD content of < 100 to 300 mg/L. The COD values in the different industrial effluent samples were also very much higher than maximum permissible limit of 4.0 mg/L according to USPH Standard. The overall results highlight towards the discharge of highly polluted waste water effluent from industries of Taloja Industrial area of Mumbai. These industrial effluents have resulted in pollution of nearby Kasardi River thereby affecting the growth of vegetation and aquatic life. The results of the present investigation point out the need to implement common objectives, compatible policies and programmes for improvement in the industrial waste water treatment methods. Click Here to View Full Article

Special Issue - Call for Papers
Computational Fluid Dynamics: Applications in Aeronautical and Aerospace Engineering
International Journal of Aerospace Sciences - August 2013
More information is available at http://journal.sapub.org/aerospace

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Studentai kviečiami į The Tertio Millennio Institute and The Ethics and Public Policy Center
(Washington, DC) organizuojamą Vasaros Seminarą Krokuvoje.

Tertio Millennio Seminar on the Free Society
1st – 19th July 2013, Cracow
Contact: Tertio Millennio Institute, Dominikańska 3/13, 31-043
Krakow, e-mail: Šis el.pašto adresas yra apsaugotas nuo Spam'o, jums reikia įjungti Javaskriptą, kad matytumėte tai
Contact person: Łukasz Zych,
e-mail: Šis el.pašto adresas yra apsaugotas nuo Spam'o, jums reikia įjungti Javaskriptą, kad matytumėte tai , phone: 0048 508-203-403
Dear students!
We would like to invite you to the 23rd edition of The Summer Seminar, organized
by The Tertio Millennio Institute and The Ethics and Public Policy Center
(Washington, DC). Especially we invite students involved in life of their universities
or social, political or religious communities and organizations.
Taking place between 1st and 19th July 2013 in Cracow, it is available to students
and graduates from North America and from Central, Eastern and South-
Western Europe – Poland, Czech Republic, Slovakia, Hungary, Lithuania, Latvia,
Estonia, Belarus, Russia, Ukraine, Romania, Bulgaria, Serbia, Montenegro,
Macedonia, Croatia, Bosnia and Herzegovina, Slovenia, Moldova, Georgia, Armenia.
Each year's seminar group includes 30 -36 students.
Classes, given in English, will regard issues revolving around culture, politics,
and economy of the free society, democracy and capitalism. Lectures reflect
on its contemporary history in view of the social teaching of the Church, particularly
in reference to John Paul II (Centesimus Annus, 1991). The school is opened
for people of all denominations and beliefs.
Lectures will be given by famous religious and political leaders such as Russel
Hittinger, George Weigel and Maciej Zięba OP.
We support 12 fellowships for East-Central Europe, which include tuition fees,
lodging, meals and excursions. Students will have to cover only the travel expenses
to and from Cracow. For people from East European countries we provide visa invitations
to Poland.
Deadline for applications is May 27th 2013.
More information can be found at our website or our profile on Facebook.
Kind regards,
Łukasz Zych
Tertio Millennio Institute, Cracow

Poster TMS 2013

Gerbiami studentai, mūsų partneriai Recursos Humanos, Animafest Experience Hotels & Resorts siūlo atlikti vasaros praktiką Prancūzijos, Portugalijos, Italijos, Graikijos, Kipro ir Maltos viešbučiuose.

Plačiau

Oxford Immerse is a summer course providing an unparalleled educational experience set in the wonderful city of Oxford, United Kingdom. Students participating in the Oxford Immerse summer school reside in Oxford for a two week period are taught by Oxford educated tutors, offering the most optimal learning environment possible. We offer courses in a range of disciplines, from the sciences to the arts.

Students reside in an Oxford University College, experience daily organised excursions within Oxford and weekend excursions to London and Cambridge, and have the chance to meet like-minded peers from a diverse range of backgrounds. The carefully planned schedule ensures that seminars provide participants with an in-depth understanding of a wide range of topics, which is complemented by tutorials where students share and develop a more informed and engaging response. This combination of approaches to learning and our unique mentorship scheme is tailor-made to assist participants in meeting the academic requirements of the United Kingdom’s best universities.

Enrolment in the program is ongoing, and students aged 16 and above are welcome to apply. For more information, please view http://oxfordimmerse.com/

Skelbiamas KONKURSAS. Studijos, tyrimai ir italų kalbos kursai Italijoje 2013 - 2014 m. m. Išsamesnę informaciją apie konkurso sąlygas rasite šioje nuorodoje:

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