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Papers by ISIJ Publication

The Efforts tracking and estimation of HR in Ubiquitous computing is the intranet server applicat... more The Efforts tracking and estimation of HR in Ubiquitous computing is the intranet server application. This application can manage the recordings, controlling and monitoring of employee's workflow and the efficiency of their work. The purpose is to make sure that the employees are punctual and do their jobs on time. This system is integrated with the ticket system to anticipate the employee's work flow and the project's status to make the administrators work easier. The administrators can easily trace the work status and the project status of the employees compare to manual paper recording and file keeping system. This system automates the tracking of employee's actual work which will ultimately improves the performance of the organization through improved employee performance. Moreover, to increase the productivity of the company as well as of employee's the system will estimate the time on hour basis rather than day basis.

Heart cycle model explores the deterministic finite state of heart cycle whereby the transition o... more Heart cycle model explores the deterministic finite state of heart cycle whereby the transition of blood is dependent of the state of the source and the input. Blood flowing in human body is a series of complex networks working together in a logic circuit. This research describes the complex mechanisms of heart cycle in relation to the interrelationship between the chambers and valves, in a logical and one dimensional structure. Logical operators and tristate buffer are used to map the states of the chamber and valves as it relaxes/contracts and open/close respectively, in truth tables. Mathematical analysis is used to model the state and outflow behavior of heart cycle in discrete time.

Background: Rheumatic heart disease (RHD) is a chronic sequel of rheumatic fever. It is a major c... more Background: Rheumatic heart disease (RHD) is a chronic sequel of rheumatic fever. It is a major cause of acquired heart diseases in the developing countries. The high RHD burden in these set ups will increase the cost of healthcare and economic burden both to the individual and the community. Only few studies have been conducted so far in Ethiopia.

Aim: To evaluate the significance of introducing an absorbable collagen type-I dressing in the ma... more Aim: To evaluate the significance of introducing an absorbable collagen type-I dressing in the management of Burn wound and Diabetic Foot wound. Background: A wound may be explained in numerous ways; either by its etiology, by anatomical location, by whether it is acute or chronic, by the method of closure, by its presenting symptoms or indeed by the appearance of the predominant tissue types in the wound bed. The variety of wound types have resulted in a wide range of wound dressings. In order to offer the most excellent treatment options, these challenges need to be identified and overcome by using the most appropriate dressings and treatment regimens available.

Geochemical study was undertaken to assess the extent and health impact of toxic heavy metals int... more Geochemical study was undertaken to assess the extent and health impact of toxic heavy metals intrusion to surface and sub-surface water resources in and around uncontrolled solid waste dumpsite of a metropolitan city in India. Water samples were collected from the vicinity of the site with different metal concentration scenario. The concentration (µgL-1) of toxic metals/metalloids viz Cr 27.5±15.4, Mn 257.2±330.9, Co 0.5±0.5, Ni 4.0±2.3, As 18.4±12.6, Cu 5.3±5.0, Zn 292.7±466.7, Cd 0.2±0.5, Pb 1.0±0.4, V 36.8±16.8) were observed in above samples through estimation in dynamic reaction cell inductively coupled plasma mass spectrometry (DRC-ICP-MS). Human health was evaluated for potential non-carcinogenic hazard quotient (HQ) and carcinogenic risk (CR) for the nearby habitants considering all possible exposure routes. The cumulative hazard index (dermal and ingestion) for child (Σ HI = 4.26E+00) and adult (2.59E+00) reveals that toxic risk is beyond tolerable limit (HQ > 1.00). Arsenic was identified as the most significant pollutant of concern among the ten heavy metals; both its values of the HQ and CR indicated potentially undesirable health risks for the local residents. The estimated risk level for As exposure (3.56E-04) is exceeding the safe standard for cancer (CR=1.0E-6) unveil that residents confront higher risks, with carcinogenic effects that average 4 in 10,000. However, the cancer risk due to Pb exposure (1.11E-07) is within the target level.

Nanotechnology mediated drug delivery has been reported to enhance the drug efficacy, bioavailabi... more Nanotechnology mediated drug delivery has been reported to enhance the drug efficacy, bioavailability, reduce toxicity and improve patient compliance by targeting the cells and tissues to produce desired pharmacological action. Aim: The purpose of the present study was to formulate and evaluate Polysorbate 80 Coated Chitosan Nanoparticles of Rivastigmine for brain delivery. Methods: Rivastigmine is short acting cholinesterase inhibitors (ChEI). Nanostructure mediated drug delivery enhances drug bioavailability, improves the timed release of drug molecules, and enables precision drug targeting. Because of its cationic charges, biocompatibility, and low toxicity, chitosan has been used as a vehicle system for genes, protein and drugs. The Nanoparticles were evaluated for size, shape, zeta potential, microscopy, transmission electron microscopy. Drug-polymer compatibility was determined using differential scanning calorimetry. The amount of drug entrapped within the Nanoparticles was determined spectrofluorometrically and in vitro drug release studies were done by spectrofluorometer. Test was used to evaluate in vivo activity of Rivastigmine Nanoparticles in mice. The drug-loading capacity obtained from the drug content analyses for the batches ranged from 43.48±3.5 to 52.62±4.31 depending upon the drug-to-polymer ratio. The drug loading of chitosan Nanoparticles (drug-to-polymer ratio 1:1) after coating with 1% Polysorbate 80 was 43.48±1.3. The particle size analysis showed that the mean particle size of drug-loaded Nanoparticles (drug-to-polymer ratio 1:1) was 45.16±1.56 nm.

A cross-sectional study was conducted from Oct 2014-Dec 2014, of three hundred ninety four random... more A cross-sectional study was conducted from Oct 2014-Dec 2014, of three hundred ninety four randomly selected inhabitants in Sanctoria at Kulti block of Burdwan district who are having there for more than three years near two selected mobile phone base stations was undertaken using a questionnaire. Nineteen different symptoms (Non Specific Health Symptoms-NSHS), described as radiofrequency sickness, were studied by means of the chi-square test studies made in relation to the sex, age and distance from mobile phone base stations show significant (p <0.05) increase as compared to people living >300m or not exposed to base stations. Women respondents complained the feeling of nausea, sleep disturbances, irritability and the men complained the feeling of Back pain. Relation to age the respondents older than 19 years, this study shows, the existence of a greater sensibility of some NSHS symptoms such as headaches, fatigue, sleep disturbances, depressive tendencies ,irritability, feeling of discomfort, hearing problem, back pain when comparisons are made between subjects living up to 300m vs. subjects of the reference group. In relation to distance, the complaints were received in a significantly higher (p <0.05) proportions in the distance zones of 20m to 300m than the <20m from base stations. Up to 20m the symptoms are headaches, fatigue, sleep disturbance, feeling of discomfort, irritability, depressive tendencies, difficulty in concentration, movement difficulties, hearing problem, and back pain. Significant differences (P < 0.05) are observed up to 100 m from base stations for symptoms such as complained headaches, fatigue, felling of discomfort, irritability, depressive tendencies, difficulty in concentration, hearing problem, back pain. Beyond 200 m only the symptom of headaches, fatigue, sleep disturbances, irritability, movement difficulties, back pain is reported at a significantly high frequency (P < 0.05).

Weirs have been designed and used extensively in hydraulic structures to control the flow depth a... more Weirs have been designed and used extensively in hydraulic structures to control the flow depth and discharge. To estimate the discharge over the weir, a weir coefficient is required. The discharge coefficient can be obtained experimentally as a function of the dimensionless total head of the approaching flow or as a function of various parameters. However, a universally acceptable discharge coefficient does not exist. Beside the man-made weirs that have been constructed by hydraulic engineers, some natural channel characteristics and slopes can be simulated as broad-crested weirs that are clearly noticeable in examining water surface profiles. The study area is Centralia watershed in Central Florida, which contains several cascades of step like waterfalls that can be selected for transecting. Cross-section data from 5 transects and detailed hydraulic data was obtained using the Digital terrain model (DTM) and the Triangular Irregular Network (TIN). The Hydrologic Engineering Center-River Analysis System (HEC-RAS) step-backwater technique was used to calculate water surface profiles for natural channels that are likely used for storm water drainage. The results show that these channels have chains of steps that dissipate the momentum of falling water in steep areas and maintain a steady rate of flow. The weir coefficients were determined by comparing the steady state discharges to the equivalent weir discharges. The results indicate that the weir coefficient can be expressed as a function of weir height and channel cross-section area. The relationship between this function and the weir coefficient showed a high correlation with R 2 = 0.991. The results of this study can be used to estimate the discharge in similar reaches in any water surface profile.

The current study is mainly focused on the notified forest areas within the Kamrup Metropolitan d... more The current study is mainly focused on the notified forest areas within the Kamrup Metropolitan district of Assam, India. Satellite imagery of January, 2014 has been used to assess the forest cover and wildlife habitat in the study area. Nine landscape elements have been identified within the notified forest areas. The study shows that, in most of the notified forest areas, moist mixed deciduous forest dense and open categories are available. Out of the total geographical area of all the notified forest areas, 17.53% is covered with moist mixed deciduous forest dense category. The moist mixed deciduous forest open forest covers 27.75% area of the total geographical area of notified forest. Motapahar Reserve Forest (R.F), Garbhanga R.F., Rani R.F., Apricola East and West R.F. are still have good quality forest cover and wildlife habitat. But there are some areas like Sarania R.F., South Kalapahar R.F., Fatasil R.F., etc which are under severe threat from the human activities and need immediate attention to conserve existing forests and restore degraded forest areas. This study also recommends some measures to conserve and protect the forest resources and wildlife habitat in the Kamrup Metropolitan district.

In recent years the Internet has massive growth of data stored in various forms. There is a need ... more In recent years the Internet has massive growth of data stored in various forms. There is a need for innovative and effective technologies to help find and use the valuable information and knowledge from a multiple disciplinary crew. Always the data is not to be static it is dynamically increasing and varying In order to utilize the Web information better, people pursue the latest technology, which can effectively organize and use online information. Classification of Web page content is important to many tasks in Web information retrieval such as maintaining Web directories and focused crawling. The uncontrolled nature of Web content presents additional challenges to Web page classification as compared to traditional text classification, but the interconnected nature of hypertext also provides features that can assist the process. In this paper in Web page classification, to indicate the importance of these Web-specific features and algorithms.

Adopt a set of diesel-base drilling fluid system. Laboratory experiment shows that the diesel-bas... more Adopt a set of diesel-base drilling fluid system. Laboratory experiment shows that the diesel-base drilling fluid is of good rheological property and high resistance of salt,calcium, water pollution , and is a good protector of the oil and gas reservoir, which can solve the problem of strong water sensitivity and easy to collapse.

For that viscosity of heavy oil decreases with the increase of temperature, influence of differen... more For that viscosity of heavy oil decreases with the increase of temperature, influence of different temperature on flow ability of different types of heavy oil which flow through porous media with different permeability was studied, and flow boundary of different types of heavy oil under different fluidity has been analyzed quantitatively. The experimental results show that the threshold pressure gradients of heavy oil from Henan Oil Field under different permeabilities, different temperature and different porous media are neglectable. Threshold pressure gradient increases with the viscosity of heavy oil, heavy oil starts to flow when the fluidity of crude oil is less than 0.14 mD/mPa·s.

The solution of the model developed by Demchik [2] was obtained using variable seperable method.