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Suguna S.,Sri Meenakshi Government Arts College for Women A | Vithya M.,Madurai Kamaraj University | Eunaicy J.I.C.,Pioneer India
Proceedings of the International Conference on Inventive Computation Technologies, ICICT 2016 | Year: 2017

Today web mining is a challenging task in organization. Every organization generated vast amount of data from various source. Web mining is the process of extracting useful knowledge from web resources. Log files are maintained by the web server. The challenging task for E-commerce companies is to know their customer behavior to improve the business by analyzing web log files. E-commerce website can generate tens of peta bytes of data in their web log files. This paper discuss about the importance of log files in E-commerce world. The analysis of log files is used for learning the user behavior in E-commerce system. The analysis of such large web log files need parallel processing and reliable data storage system. The Hadoop framework provides reliable storage by Hadoop Distributed File System and parallel processing system for large database using MapReduce programming model. These mechanisms help to process log data in parallel manner and computes results efficiently. This approach reduces the response time as well as load on the end system. This work proposes apredictive prefetching system based on preprocessing of web logs using HadoopMapReduce, which will provide accurate results in minimum response time for E-commerce business activities. © 2016 IEEE.

Esakkidurai T.,Devanga Arts College Autonomous | Subbaraj P.,Devanga Arts College Autonomous | Shobana S.,Pioneer India
Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy | Year: 2013

Mixed ligand Cu(ii) complexes of 2-aminobenzamide (2AB) and amino acids viz., glycine (gly), L-alanine (ala), L-valine (val) and L-phenylalanine (phe) have been synthesised and characterized by various physico-chemical and spectral techniques. The calculated g-tensor values for Cu(ii) complexes at 77 K and 300 K, show the distorted octahedral geometry which has been confirmed from the absorption studies. Consequently, the thermal studies illustrate that the loss of water and acetate molecules in the initial stage which are followed by the decomposition of organic residues. The powder X-ray diffraction and SEM analysis reflect that all the complexes have well-defined crystallinity nature with homogeneous morphology. The binding activities of CT DNA with CuAB complexes have been examined by absorption studies. Further, the oxidative cleavage Interactions of 2-aminobenzamide and CuAB complexes with DNA were studied by gel electrophoresis method in H2O2 medium. Also, the complex formation of Cu(ii) involving 2-aminobenzamide and amino acids were carried out by a combined pH-metric and spectro-photometric techniques in 50% (v/v) water-ethanol mixture at 300, 310, 320 and 330±0.1 K with i= 0.15 mol dm 3 (NaClO4). in solution, CuAB and CuAB2 species has been detected and the binding modes of 2-aminobenzamide and amino acids in both binary and mixed ligand complexes are same. The calculated stabilization value of δ log K, log X and log X′ indicates higher stabilities for the mixed ligand complexes rather than their binary species. The thermodynamic parameters like δG, DH and DS have been determined from temperature dependence of the stability constant. in vitro biological activities of 2-aminobenzamide, CuA and CuAB complexes show remarkable activities against some bacterial and fungal strains. The percentage distribution of various binary and mixed ligand species in solution at dissimilar pH intervals were also evaluated. © 2013 Elsevier B.V. All rights reserved.

Desai S.,Pioneer India | Vidyasagar G.,Kutch. Bhuj | Shah V.,Sigma Institute of Pharmacy | Desai D.,Sun Pharmaceuticals Ltd
Asian Journal of Pharmaceutical and Clinical Research | Year: 2011

HPMC microspheres of midazolam for nose to brain delivery were developed with the aim to avoid first pass metabolism, to improve the patient compliance, to use an alternative therapy to conventional dosage form, to improve the therapeutic efficacy of midazolam. The purpose of this research was also to formulate and systematically evaluate the performances of mucoadhesive microspheres of midazolam. The emulsion cross linking technique was used to prepare Midazolam microspheres containing HPMC. Glutaraldehyde was used as a cross-linking agent. Results of preliminary trials indicate that volume of cross-linking agent, time for cross-linking, polymer-to-drug ratio and speed of rotation affected characteristics of microspheres. Microspheres were discrete, spherical and free flowing. The microspheres exhibited good mucoadhesive and also showed high percentage drug entrapment efficiency. Spherical microspheres were obtained in all batches in range of 7-18 μm. The best batch exhibited a high drug entrapment efficiency of 97% and a swelling index of 1.29; in vitro bioadhesion was 94%. The drug release was also sustained for 12 hours. The polymer- to-drug ratio had a more significant effect.

Gondalia R.P.,Atmiya Institute Of Pharmacy | Dharamsi A.P.,Pioneer India
Asian Journal of Pharmaceutical and Clinical Research | Year: 2011

A binary mixture of Naproxen sodium and Sumatriptan succinate was determined by UV spectroscopic methods. The method involved determination of NAP and SUMA using the first derivative spectrophotometry at 241.0 and 236.0 nm over the concentration ranges of 0.5-3.5 μg/ml for both. The methods were successively applied to pharmaceutical formulation because no Spectroscopic interferences from the tablet excipients were found. The suitability of these methods for the quantitative determination of the compounds was proved by validation.

Shah U.,Pioneer India | Shah R.,Sun Pharma Advanced Research Center | Acharya S.,Nirma University | Acharya N.,Nirma University
Chinese Journal of Natural Medicines | Year: 2013

Plants remain an important source of new drugs, new drug leads and new chemical entities. Plant based drug discovery resulted mainly in the development of anticancer and anti-infectious agents, and continues to contribute to the new leads in clinical trials. Natural product drugs play a dominant role in pharmaceutical care. Several plant-derived compounds are currently successfully employed in cancer treatment. There are many classes of plant-derived cytotoxic natural products studied for further improvement and development of drugs. New anticancer drugs derived from research on plant antitumor agents will be continuously discovered. The basic aim of this review is to explore the potential of newly discovered anticancer compounds from medicinal plants, as a lead for anticancer drug development. It will be helpful to explore the medicinal value of plants and for new drug discovery from them for the researchers and scientists around the globe. © 2013 China Pharmaceutical University.

Joshi A.,Indian Defence Institute of Advanced Technology | Bajaj A.,Indian Defence Institute of Advanced Technology | Singh R.,Indian Defence Institute of Advanced Technology | Anand A.,Pioneer India | And 2 more authors.
Composites Part B: Engineering | Year: 2015

The advent of graphene heralded by the recent studies on carbon based conducting polymer composites has been a motivation for the use of graphene as an electromagnetic interference (EMI) shielding material. One of the variants of graphene, graphene nanoribbon (GNR) shows remarkably different properties from graphene. The EMI shielding effectiveness of the composite material mainly depends on fillers' intrinsic conductivity, dielectric constant and aspect ratio. We have synthesized graphene nanoribbon (GNR) - Polyaniline (PANI) - epoxy composite film for effective shielding material in the X-band frequency range of 8.2-12.4 (GHz). We have performed detailed studies of the EMI shielding effect and the performance of the composite and found that the composite shows ∼-40 dB shielding which is sufficient to shield more than 95% of the EM waves in X Band. We checked the shielding effectiveness of the composite film by varying the GNR percentage and the thickness of the film. The strength properties of the synthesized composited were also studied with a aim to have a material having both high strength and EMI shielding properties. © 2014 Elsevier Inc. All rights reserved.

Patel D.J.,Pioneer India | Patel V.P.,Sun Pharmaceutical Industries LTD
International Journal of ChemTech Research | Year: 2010

A simple, rapid and accurate High-performance thin-layer chromatography (HPTLC) method has been established and validated for the simultaneous determination of paracetamol and lornoxicam in tablets. The method is based on HPTLC separation of the two drugs followed by densitometric measurements of their spots at 270 nm. The separation was carried out on Merck TLC aluminium sheets of silica gel 60F-254 using ethyl acetate: methanol: toluene: glacial acetic acid (7:2.5:1:0.5, v/v/v/v) as a mobile phase. Calibration curves were linear in range of 200- 1200 ng/spot and 100 - 600 ng/spot for paracetamol and lornoxicam, respectively. Method was successively applied to tablet formulation. No chromatographic interferences from the tablet excipients were found. The method was validated in accordance with the requirements of ICH guidelines.

Unnati S.,Pioneer India | Shah R.,Sun Pharma Advanced Research Center
International Journal of Pharmacy and Technology | Year: 2011

Targeted delivery of drug molecules to tumor tissue is one of the most interesting and challenging endeavors faced in pharmaceutical field, due to the critical and pharmacokinetically specific environment that exists in tumor. Over these years, cancer targeting treatment has been greatly improved by new tools and approaches based on nanotechnology. The review firstly introduces the specific physical and chemical properties of a serial of nano materials, such as nano particles, micelles, dendrimers, carbon nanotubes, quantum dots, and nano fibers. It then places great emphasis on their application in the field of cancer therapy when they are used as nano carrier systems. Based on the current status, this paper further discusses the unsolved problems and makes a perspective for the future prospects of the nano carrier systems.

Chothani D.L.,Pioneer India | Vaghasiya H.U.,Sun Pharma Advanced Research Company SPARC Ltd.
Pharmacognosy Reviews | Year: 2011

Balanites aegyptiaca Del. (Zygophyllaceae), known as 'desert date,' is spiny shrub or tree up to l0 m tall, widely distributed in dry land areas of Africa and South Asia. It is traditionally used in treatment of various ailments i.e. jaundice, intestinal worm infection, wounds, malaria, syphilis, epilepsy, dysentery, constipation, diarrhea, hemorrhoid, stomach aches, asthma, and fever. It contains protein, lipid, carbohydrate, alkaloid, saponin, flavonoid, and organic acid. Present review summarizes the traditional claims, phytochemistry, and pharmacology of B. aegyptiaca Del reported in scientific literature.

Shah U.,Pioneer India
International Journal of Pharmacy and Pharmaceutical Sciences | Year: 2011

Cissus quadrangularis L. is a succulent plant of family Vitaceae commonly found in tropical and subtropical xeric wood. It is a fleshy, cactus-like liana widely used as a common food item in India. The plant is prescribed in the ancient Ayurvedic literature as a general tonic and analgesic, with specific bone fracture healing properties. The plant is believed to be useful in helminthiasis, anorexia, dyspepsia, colic, flatulence, skin diseases, leprosy, hemorrhage, epilepsy, convulsion, haemoptysis, tumors, chronic ulcers, swellings. Following various folk claims for cure of various diseases, efforts have been made by researchers to verify the efficacy of the plant through scientific biological screening. The scrutiny of literature revealed some notable pharmacological activities of the plant such as antioxidant, free radical scavenging, anti microbial, anti bacterial, bone healing, anti ulcer, analgesic, anti inflammatory and diuretic, presented in this review such that the potential use of the plant either in pharmaceutics or as an agriculture resource can be evaluated. The present review is an attempt to highlight phytochemicals, various traditional uses as well as pharmacological reports on Cissus quadrangularis L.

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