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News Article | November 15, 2016

Merka Corp., a Telecom and Media Consulting company announced today the integration of John Vasikaran to its team as Chief Executive Officer of African operations. Vasikaran assumed his new role in October 2016. Merka's founders Fabian Vega (CEO) and Patricio Molina (COO) are confident that John's local presence and extensive Executive experience in several Tier 1 mobile operators in the African markets will boost its presence and revenues. “It is an incredible honor for me to lead business in Africa for Merka,” said Vasikaran. “I stepped in as CEO for Africa to focus on expanding the business footprint and portfolio in the African continent, through cutting edge technology and new products to meet the current challenging conditions of existing and potential customers.” Vasikaran brings to the table over 20 years of experience in Strategic and Tactical Planning, Network Planning and Roll-out, Commercial Functions and General Administration. He holds a Master’s degree in Business Administration and a Bachelor’s degree in Commerce from Loyola College. He will be based in Nairobi, Kenya. Since 2011, Merka has enjoyed success in the telecommunications industry in over 35 countries by offering tier one mobile operations with Low & Zero Balance Services such as Collect Call, Balance Advance and Brand Sponsored SMS. Their clients and partners include Bharti Airtel, América Móvil, Telefónica, Movistar and Claro. With a highly experienced team in mobile and media markets in Latin America, Africa, Europe and the United States, Vasikaran is confident that Merka will pave the way for the future of the telecommunications industry. “I believe that in the next five years the Telecom and ICT industry will become more ubiquitous and intelligent, and we at Merka focus on products and provide solutions bearing this in mind.” Merka is the pioneer in the Low and Zero Balance Services market, awakening a new appetite for value added services. Since 2011, we have been designing, operating and monetizing high-volume/revenue generating value-added services for operators in the developing world, mainly Latin America and Africa. Merka is the leader and has the largest worldwide network of Low and Zero Balance Services with launched operations in 25 countries and more in the process of launching.

News Article | December 16, 2016

After an extensive search,The Hearing and Speech Agency (HASA) has selected Erin Stauder to be its next Executive Director. She will succeed Susan Glasgow, who served as director for 22 years. Ms. Stauder will take the lead of an organization with a strong history in the Baltimore community. Founded in 1926 as a meeting place for the hard of hearing, HASA has evolved to serve the interpreting, educational and therapeutic needs of children and adults through CIRS Interpreting, Gateway School and a clinical services program. Since 2006, Erin has been a member of the clinical faculty at Loyola University Maryland. There she managed the clinical internship program for speech-language graduate clinicians at multiple locations in Baltimore City. Prior positions include serving as an Advanced Therapist with the University of Maryland Medical Center and also managing and providing a variety of services to young children through Easter Seals of Southeastern Pennsylvania. Erin earned Bachelor of Arts and Master of Science degrees in Speech-Language Pathology from Loyola College Maryland and is pursuing her doctorate in public policy at the University of Maryland, Baltimore County. Her colleagues describe her as a gifted leader and manager, able to make difficult decisions, yet collaborative in her leadership style. She states: "Access to language and communication has been an integral part of my educational and professional career, so I already feel connected to HASA's mission. I'm excited to work with the board and staff to continue to move the organization forward." The board’s search committee was led by committee chair Peter Bosworth, board president Aaron Marshall and Dr. Jane R. Snider of Heads-Up Consultants. The inclusiveness of the search process and the outcome reflect the committee’s extraordinary dedication and service to HASA and its mission. ABOUT THE HEARING AND SPEECH AGENCY The Hearing and Speech Agency (HASA) is a private, non-profit organization that provides hearing and speech services, offers an information resource center and advocates for people of all ages with communication challenges. Services include hearing tests, hearing aids, hearing-aid repair, speech-language evaluations and therapy, listening and spoken language services, pre- and post-cochlear implant services, occupational and physical therapy, special education, sign language interpreting, sign-language classes, Deaf awareness seminars, social work, and parent support groups.

Rajasingh I.,Loyola College | Arockiaraj M.,Loyola College
Mathematics in Computer Science | Year: 2011

Manuel et al. (Discret. Appl. Math. 157(7):1486-1495, 2009) obtained the exact wirelength of an r-dimensional hypercube into a path as well as a 2⌊r/2⌋ × 2⌈r/2⌉ grid and conjectured the same for a folded hypercube. In this paper we solve the edge isoperimetric problem for folded hypercubes and thereby obtain the exact wirelength of folded hypercubes into paths. Further we compute the exact wirelength of the r-dimensional folded hypercubes into 2k × 2r-k grids. © 2011 Springer Basel AG.

Sivani S.,Loyola College | Sudarsanam D.,Loyola College
Biology and Medicine | Year: 2012

This paper summarizes the effect of radio-frequency electromagnetic field (RF-EMF) from cell towers and wireless devices on the biosphere. Based on current available literature, it is justified to conclude that RF-EMF radiation exposure can change neurotransmitter functions, blood-brain barrier, morphology, electrophysiology, cellular metabolism, calcium efflux, and gene and protein expression in certain types of cells even at lower intensities. The biological consequences of such changes remain unclear. Short-term studies on the impacts of RF-EMF on frogs, honey bees, house sparrows, bats, and even humans are scare and long-term studies are non-existent in India. Identification of the frequency, intensity, and duration of non-ionizing electromagnetic fields causing damage to the biosystem and ecosystem would evolve strategies for mitigation and would enable the proper use of wireless technologies to enjoy its immense benefits, while ensuring one's health and that of the environment.

Baby Suganthi A.R.,Saveetha University | Sagayaraj P.,Loyola College
Materials Chemistry and Physics | Year: 2013

Core/shell CdS/ZnS nanorods were synthesized using a two-step solvothermal approach. The first step is the formation of CdS nanoparticles initiated using nucleation followed by growth through coalescence-exchange and particle coagulation. The second step leads to the formation of ZnS and further coalescence-exchange leading to deposition and growth of a ZnS shell around CdS nanoparticles. The structural, morphological and chemical studies were performed using X-ray diffraction, Energy Dispersive X-ray spectroscopy (EDX) Scanning electron Microscopy (SEM), UV-vis absorption spectra and Transmission Electron Microscopy (TEM), provide direct evidence for shell growth. The present synthesis provides a rational approach to the design of novel core/shell nanomaterials with appealing applications in optoelectronic devices. © 2013 Elsevier B.V. All rights reserved.

Gandhi G.R.,Loyola College | Sasikumar P.,Madurai Kamaraj University
Asian Pacific Journal of Tropical Biomedicine | Year: 2012

Objective: To investigate the antidiabetic property of Merremia emarginata (M. emarginata) Burm. F. plant in streptozotocin induced diabetic rats. Methods: The dose dependent effects of 28 days oral treatment with methanol extract (100, 200 and 400 mg/kg) from the plant of M. emarginata on blood glucose level, body weight, insulin, total hemoglobin, glycosylated haemoglobin (HbA1C), total protein, serum urea, serum creatinine and carbohydrate metabolizing enzymes were evaluated in streptozotocin induced diabetic rats. Histology of pancreas was also studied. Results: A significant decrease in blood glucose, serum urea and serum creatinine and significant increase in body weight, insulin and protein level were observed in diabetic rats treated with M. emarginata. Treatment with M. emarginata resulted in a significant reduction of HbA1C and an increase in total hemoglobin level. The activities of carbohydrate metabolizing enzymes such as hexokinase were significantly increased whereas glucose-6-phosphatase, fructose-1, 6-bisphosphatase were significantly decreased by the administration of M. emarginata in diabetic rats. Histology of diabetic rats treated with M. emarginata showed the pancreatic β-cells regeneration. Conclusions: These findings suggest that M. emarginata has potent antidiabetic activity in streptozotocin induced diabetic rats.

Mary Linet J.,Loyola College | Jerome Das S.,Loyola College
Materials Chemistry and Physics | Year: 2011

Good optical quality bulk single crystal of l-tartaric acid has been grown by directional solidification crystal growth method from aqueous solution. Crystal of dimension 77 mm length and 12 mm diameter has been grown at a growth rate of 2.5 mm day-1 which is the maximum size and growth rate achieved so far. The grown crystal was confirmed by powder XRD analysis and the presence of the functional groups in the crystal lattice was confirmed by Fourier transform infrared spectral analysis. Transmission spectral analysis shows that the crystal has more than 90% of transmittance in visible and near infrared region which exhibits the good optical quality of the crystal. The optical band gap was estimated to be 4.8 eV and it shows indirect optical transition. Thermal analysis shows the crystal to be thermally stable up to 172 °C and the load variation of the hardness has been explained on the basis of normal indentation size effect from microhardness study. © 2010 Elsevier B.V. All rights reserved.

Vijayalakshmi R.,Ethiraj College for Women | Ravindhran R.,Loyola College
Asian Pacific Journal of Tropical Biomedicine | Year: 2012

Objective: To analyze the comparative finger print and extraction yield of D.ferrea root with phenol compound (Gallic acid), as determined by UV-Vis spectroscopy and FTIR spectroscopy. Method: The UV Vis spectroscopy and FTIR spectroscopy are adequate techniques to fingerprint comparatively and to evaluate the extraction yield of D.ferrea root extract. The higher extraction yield was recorded in ethanol comparatively superior and richer in phenol (gallic acid). Gallic acid has therapeutic application for inflammatory allergic diseases due to its ability to inhibit histamine. Finger print region was recorded between 500-3500 cm-1 for each extract and functional groups were identified and compared with the standard. Result: The extraction factor was superior in ethanol (270 nm) rich in polar molecules. The FTIR signal at 900, 1500, 1714, 3000, 3100cm-1 considered as a good indicator of phenol (gallic acid). The functional groups of each extract were identified. Conclusion: The UV and FTIR method was validated as a good tool to investigate the finger print and to predict the composition of different root extract of D.ferrea. © 2012 Asian Pacific Tropical Biomedical Magazine.

A series of new star-shaped trinuclear Ru(ii) complexes of imidazo[4,5-f][1,10]phenanthroline derivatives, [{Ru(bpy)2} 3{μ-mes(1,4-phO-Izphen)3}](ClO4) 6·4H2O (6), [{Ru(phen)2} 3{μ-mes(1,4-phO-Izphen)3}](ClO4) 6·3H2O (7), [{Ru(bpy)2} 3{μ-mes(1,2-phO-Izphen)3}](ClO4) 6·4H2O (8), and [{Ru(phen)2} 3{μ-mes(1,2-phO-Izphen)3}](ClO4) 6·3H2O (9) [mes(1,4-phO-Izphen)3 (4) = 2,4,6-tri methyl-1,3,5-tris(4-oxymethyl-1-yl(1H-imidazo-2-yl-[4,5-f][1,10] phenanthroline)phenyl)benzene and (mes(1,2-phO-Izphen)3 (5) = 2,4,6-trimethyl-1,3,5-tris(2-oxymethyl-1-yl(1H-imidazo-2-yl[4,5-f][1,10] phenanthroline)phenyl)benzene] have been synthesized and characterized. Their photophysical and electrochemical properties have also been studied. The core molecule, 1,3,5-tris(bromomethyl)-2,4,6-trimethylbenzene (1) and the trialdehyde intermediate, 2,4,6-trimethyl-1,3,5-tris(4-oxymethyl-1-formylphenyl)benzene (2) are characterized by single crystal X-ray diffraction: triclinic, P1. The complexes 6-9 exhibit Ru(ii) metal centered emission at 618, 601, 615, and 605 nm, respectively, in fluid solution at room temperature. The emission profile and emission maxima are similar and independent of the excitation wavelength for each complex. The complexes 6-9 undergo metal centered oxidation and the E 1/2 values for the Ru(ii)/Ru(iii) redox couples are 1.33, 1.34, 1.35, and 1.35 V versus Ag/Ag+, respectively, which are cathodically shifted with respect to that of the mononuclear complex [Ru(bpy) 2(PIP)]2+ (PIP = 2-phenylimidazo[4,5-f][1,10] phenanthroline). The study demonstrates the versatility of the highly symmetric trinucleating imidazo[4,5-f][1,10]phenanthroline-based core ligands 4 and 5 in forming trinuclear Ru(ii) complexes. © The Royal Society of Chemistry 2011.

Jacob S.A.,Loyola College | Jerome Das S.,Loyola College
Materials Today: Proceedings | Year: 2016

Nanocrystalline Titanium dioxide particles have been synthesized through hydrothermal method to study the effect of autoclaving temperature and annealing temperature on their particulate characteristics. The nanoparticles have been synthesized using a Titanium alkoxide precursor at two different temperatures 160 °C and 200 °C for 14h and annealed at 450 °C. X-ray diffraction studies were used to ascertain the tetragonal structure and the anatase phase represented by the synthesized samples. The particle size of the synthesized material was derived using the Scherrer formula and it was found to be of the order of 10 - 20 nm. The optical absorption spectrum reveals the absorption-edge to be slightly red-shifted. The band gap of the synthesized materials was evaluated using the Tauc plot and it was determined to be ~ 3.25 ± 0.02eV. The emission spectrum for the sample was recorded at an excitation wavelength of 295 nm and the flat bands were found to depict the inherent defect states. Although the FE-SEM images display a high agglomeration, they reveal the morphology of the particulates to be a spherical one. The HR-TEM images of the sample clearly corroborate with the spherical morphology and the particle size as represented by FESEM and XRD studies respectively. © 2016 Elsevier Ltd.

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