AQUEOUS REMOVAL OF ARSENIC (III) USING ACID TREATED DEVDARU (POLYALTHIA LONGIFOLIA) LEAF POWDER

The present study investigates the use of acid treated devdaru leaf powder (Polyalthia Longifolia) for adsorptive removal of arsenite from arsenite spiked distilled water. Adsorptions were studied at temperature 303K by batch processes. Rapid equilibrium was reached within 90 mins. The pseudo-second-order kinetic model was found to best correlate to the experimental data. Adsorption equilibrium data were well described by Langmuir, Freundlich and Temkin models. The Langmuir adsorption capacity was found to be 1.51 mg/g. This work can be used to remove As(III) from drinking water by using low cost adsorbent

Birth of Violent Criminal Behavior and the Social Liability: A Qualitative Investigation in Bangladesh

It has become notorious concern that the society is nurturing all criminals but it is factual that societies have the liability of her every affiliate. The main objective of the study is to identify how entire society has become responsible for creating the scope of violent crimes in Bangladesh. This paper also identifies the changing pattern of criminal behavior and examines how social institutions become liable in creating violent incident as well as uncovered the challenges of social reintegration of violent offenders in Bangladesh. This study is qualitative in nature that follows secondary data analysis method where thematic analysis is used. This study finds that violent crime changes in more violent pattern in Bangladesh. Besides, the scope of violent criminal behavior lies not only in violence in family, educational institutions, community of violent criminals but also disputing impact of justice system. Besides, this study also indicates that violent offenders are confronted by a vast range of socio-economic challenges that causes obstacles to their social integration in society. Keywords: Violent Criminal Behavior, Social Liability, Social Reintegration. DOI: 10.7176/JLPG/95-10 Publication date:March 31st 202

Methane Emission Assessment from Indian Livestock and Its Role in Climate Change Using Climate Metrics

Indian livestock farming is one of the significant anthropogenic sources of methane (CH4) in the world. Here, CH4 emission from Indian livestock and climate change impact in terms of two climate metrics, global surface temperature change potential (GTP) and absolute GTP (AGTP), to assess the surface temperature changes for 20 and 100 year time frame have been studied. CH4 emission from Indian livestock was 15.3 Tg in 2012. GTP20 and GTP100 for livestock-related CH4 emission in India in 2012 were 1030 and 62 Tg CO2e, respectively. The study also illustrates that CH4 emissions can cause a surface temperature increase of up to 0.7–0.036 mK over the 20 and 100 year time periods, respectively. Thus, the negative climate change impact is global in nature, not only restricted to India. GTP and AGTP can be used in climate change impact study and as a more policy relevant tool

Time Requirement for Collecting Cooking Energy in an Indian Village: Comparative Study Between Charcoal and Fuelwood

Energy is the vital input for sustainable development of a country as it is directly related to the country’s economic growth. Even though energy use has doubled since 2000, but energy consumption per capita is still only around one-third of the global average and some 240 million people have no access to electricity. This study investigates the present energy demand scenario of a rural village and finds the possibilities of achieving energy access by the available alternate energy in rural areas. A detailed survey was done on the energy demand and available energy resources in a village of Assam in the Northeastern part of India. Energy demands on different sectors were calculated and the sources of energy were studied. The total technical bioenergy potential is 3.0 MWh per year from available rice husk only. The result implies that there are abundant of untapped bioenergy resources available in the village and alternatives to diversify its source of energy. This research concludes that the energy demand of households varies intensely with national averages. This bottom-up approach study of a rural village is to understand the domestic scenario of villages in developing countries, as it can be related to other villages to a much extent

PRIMARY CELL CULTURE OF AEDES ALBOPICTUS MIDGUT CELLS: A PROSPECTIVE MODEL FOR IN VITRO STUDY OF ARBOVIRUSES

  Objective: Midgut cells play a key role in the propagation of mosquito borne Arboviruses. The existing mosquito cell lines for studying viral pathogenesis are derived either from larvae or from eggs since there is no cell line available from the mosquito midgut. Therefore, to delineate the in situ viral interaction which naturally occurs within the mosquito midgut and represent cellular pathogenesis in human beings, the present work was aimed to develop a primary cell line from the midgut cells of Aedes albopictus.Methods: The midgut cells of A. albopictus were collected, cultured and incubated at 28°C to study the growth after every 24 hrs for 7 days.Result: The primary cell culture showed an increasing growth pattern of columnar cells up to 48 hrs followed by decrease in cell population afterward. However, the number of stem cells increased significantly throughout the study period, and their population outnumbered the columnar cells after 72 hrs. There was no significant change of goblet cells and regenerating cells which were scanty in number throughout the experiment.Conclusion: The present method will help to develop the individual cell lines from mosquito midgut and study the host pathogen interaction in arboviral diseases in future