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Changes in Soil Properties with Distance in Brick Kiln Areas around Barisal

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Open Journal of Soil Science 2018年第3期8卷 118-128页

作者： anjuman ara Rajonee Md. Jamal Uddin Department of Soil and Environmental Sciences University of Barisal Barisal Bangladesh

The study was conducted to evaluate the changes in soil properties due to the impacts of brick kiln in the vicinity of the Kirtonkhola River, Barisal. The study was carried out by determining the physical, physico-chemical and chemical characteristics of soil. During the entire study period, moisture content of soil ranged from 18.77% to 56.49%;bulk density and particle density varies from 0.23 - 0.53 g/cm3 and 1.11 - 3.15 g/cm3, respectively;soil porosity varies from 60.36% to 88.14%;pH varies from 6.98 to 8.85 and organic carbon content varies from 0.22% to 1.4%. The finding revealed that the pH of the soil decreased with increasing distance from the kiln;moisture content and organic carbon increased with distance;particle density was more or less in ideal condition for plant growth but bulk density and porosity indicates poor soil structure which is unfavourable for plant.

关键词： Brick Kiln Kirtonkhola River Physical Parameters Organic Carbon

Arsenic in Bangladesh Soils and Its Relationship with Water Soluble Soil Organic Carbon

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Open Journal of Soil Science 2017年第4期7卷 77-85页

作者： Shurovi Zaman anjuman ara Rajonee Shah Muhammad Imamul Huq Department of Environmental Science and Disaster Management Noakhali Science and Technology University Noakhali Bangladesh Department of Soil and Environmental Sciences University of Barisal Barisal Bangladesh Vice Chancellor University of Barisal Barisal Bangladesh

An experiment was done to see the effect of water soluble organic carbon in soil on the release of arsenic (As). Fifty soil samples, rich in organic carbon were collected from five districts of Bangladesh namely Comilla, Jessore, Satkhira, Gopalganj and Bagerhat. Water soluble organic carbon (WSOC) of the analyzed samples ranged between 15 to 466 mg/L with an average of about 155 mg/L whereas the arsenic concentrations varies between 1.4 to 5.9 mg/L with an average of 4.2 mg/L. The arsenic contents were much higher in soils where peat deposits are prominent (Gopalganj). There has been a log-log relationship between WSOC and soil, as for all the soils, the R2 ranging from 0.355 to 0.811. Correlation between water soluble organic carbon and soil arsenic showed a positive and significant relation between the two parameters indicating the fact that organic or peat deposits contributes to the release of arsenic in Bangladesh environments.

关键词： Arsenic Hot Spots Contaminated Groundwater Release of Arsenic Peat Deposits

Preparation, Characterization and Evaluation of Efficacy of Phosphorus and Potassium Incorporated Nano Fertilizer

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Advances in Nanoparticles 2017年第2期6卷 62-74页

作者： anjuman ara Rajonee Shurovi Zaman Shah Muhammad Imamul Huq Department of Soil and Environmental Sciences University of Barisal Barisal Bangladesh Department of Environmental Science and Disaster Management Noakhali Science and Technology University Sonapur Bangladesh Department of Soil Water and Environment University of Dhaka Dhaka Bangladesh

Phosphorus and Potassium incorporated nano fertilizer were prepared using zeolite as a carrier material at a laboratory scale. X-ray diffraction (XRD) analysis was done for the characterization and confirmation of the incorporation. Chemical analyses also indicate the sorption of fertilizer material into zeolite. An in vitro incubation study was conducted for 30 days at field moisture condition to see the release of the fertilizer materials and was compared with a conventional fertilizer. The release pattern of nutrients from either source showed a substantial decreasing trend with time although the release of P and K was higher for nano fertilizer than the conventional one. A pot culture experiment with Ipomoea aquatica (Kalmi) was also conducted to see the efficacy of the nano fertilizer in the growth promotion of the plant. Analysis showed higher accumulation of P and K in plants grown with nano fertilizer. Post-effect of nano fertilizer application in soil showed better pH, moisture, CEC, available P and K under nano fertilizer treatment than the conventional fertilizer.

关键词： Nano Fertilizer Preparation Efficacy P-Efficiency K-Efficiency

Nutrient Dynamics in Recycled Organic Amended Alkaline Soil

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Open Journal of Soil Science 2022年第3期12卷 83-95页

作者： Md. Aliuzzaman Sheik anjuman ara Rajonee M. Hasinur Rahman Department of Soil and Environmental Sciences The University of Barishal Barishal 8254 Bangladesh

A variety of wastes are generated due to human activities. Organic waste usage in agriculture plays a significant role in the steady supply of plant nutrients through improving soil quality. An in vitro incubation study was conducted to measure the release of the major nutrients viz. available nitrogen (N), phosphorus (P), and potassium (K) in alkaline soil amended by recycled organic soil conditioners. The soil was amended by compost (Cm) and vermicompost (VC) @5 tha−1 and a mixture of compost and vermicompost (Cm + VC) @2.5 tha−1. Chemical fertilizers (Cf) were added @of 98.842 kg⋅ha−1 of urea and 64.99 kg⋅ha−1 of triple superphosphate (TSP), with amended soils being incubated for 120 days maintaining 50% field moisture holding capacity. Due to the sufficient content of potassium in experimental soil for plant growth, extra potassium was not added. Available soil N, P, and K were determined at every 0, 15, 30, 45, 60, 90, and 120 days of incubation. The highest available N and K release was found in VC treated soils at the incubation period of 45 days. On the other hand, the highest P release was recorded in Cm treated soils at the incubation period of 45 days. In this experiment, the addition of Cm, VC and Cm + VC showed better release of cumulative plant available N, P and K than either control (C) or Cf and were arranged as VC > Cm > Cm + VC > Cf > C, Cm > Cm + VC > VC > Cf > C and Cm + VC > VC > Cm > C > Cf for N, P and K, respectively. The results of this experiment revealed that the addition of compost and/or vermicompost is predominant over chemical fertilizer in supplying of major nutrients for crops in alkaline soil.

关键词： Compost Vermicompost Incubation Study Nitrogen Phosphorus and Potassium

Evaluation of Antibacterial and Antidiarrhoeal Activities of <i>Feronia limonia</i>Leaf Extract

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American Journal of Plant Sciences 2013年第11期4卷 2181-2185页

作者： Mohammad Abdul Motalib Momin Mizanur Rahaman Khan Johir Rayhan Afrina Afrose Sohel Rana anjuman ara Begum Department of Pharmacy Jahangirnagar University Savar Ban-gladesh Department of Pharmacy University of Science and Technology Chittagong Chittagong Bangladesh

The present study was carried out to investigate possible antibacterial and antidiarrhoeal activities of ethanol extract of Feronia limonia leaves. Phytochemical analysis of the crude extract was performed to detect presence of different kinds of phytoconstituents. The antibacterial activity was investigated against four Gram positive and four Gram negative bacteria by using disc diffusion method. The plant extract showed moderate antibacterial activity against Gram positive bacteria namely Staphylococcus saprophyticus and Staphylococcus pyogenes and all tested Gram negative bacteria namely Escherichia coli, Shigella boydii, Shigella dysentery and Shigella flexneri in dose dependant manner. The results of castor oil-induced diarrhoeal study showed that Feronia limonia extract significantly reduced the severity & frequency of diarrhoea in mice at a higher dose of 500 mg/kg compared with the standard drug loperamide (25 mg/kg). The present study clearly supports the medicinal value of this plant. The overall results indicate the possibility of presence of some active principles in the plant extract possessing antibacterial and antidiarrhoeal actions.

关键词： Phytochemical Screening Antimicrobial Antidiarrhoeal Feronia limonia

High Resolution Computed Tomography Scan Findings of Chest among Hospitalized COVID-19 Patients at a Dedicated Hospital in Dhaka City during the First Wave of Pandemic

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Advances in Computed Tomography 2022年第1期11卷 1-10页

作者： Md. Zakirul Islam Kaniz Fatema Fahmida Shams S. M. Sorowar Kamal anjuman ara Md. Abdullah Yusuf Department of Medicine Kurmitola General Hospital Dhaka Bangladesh Department of Radiology & Imaging Kurmitola General Hospital Dhaka Bangladesh Department of Obstetrics & Gynaecology TMSS Medical College Bogura Bangladesh Department of Microbiology National Institute of Neurosciences & Hospital Dhaka Bangladesh

Background: The use of chest imaging in COVID-19 can be especially useful for patients with moderate to severe symptoms or comorbidities. Objective: This study aimed to demonstrate the high resolution computed tomography (CT) findings observed among the coronavirus disease 2019 (COVID-19) patients presented with pneumonia and to reveal the most frequent infiltration and distribution patterns of the disease. Methodology: This was a retrospective study. This study was performed in the Department of Radiology & Imaging at Kurmitola General Hospital, Dhaka, Bangladesh. This was the first dedicated COVID-19 hospital with a bed capacity of 500 and well-equipped ICU facilities. The recorded HRCT scan data were collected in the period from April 2020 up to May 2020 during the first wave of COVID-19 in Bangladesh. As this was a retrospective study, verbal or written consent was not obtained from all potential participants or guardians. The available demographic data as well as the medical history of all data were collected and thoroughly reviewed from the record book. These patients were RT-PCR confirmed cases of COVID-19 patients presented with pneumonia and were admitted to Kurmitola General Hospital, Dhaka, Bangladesh. All these patients underwent HRCT scans of the chest. Result: A total number of 155 COVID-19 patients with HRCT scan were evaluated. The mean age with SD of the study population was 58.03 ± 14.08 years with the range of 22 to 97 years. The male and female ratio was 2.04:1. Fibrosis of the lungs and thickening of pleura were found in 38 (24.5%) cases and 33 (21.3%) cases respectively. The involvement of both lungs was found in 32 (20.6%) cases. The presence of pneumonitis and bronchiectasis were detected in 77 (49.7%) cases and 5 (3.2%) cases respectively. Left-sided mild pleural effusion was also noted in 6 (3.9%) cases. Ground glass opacity was found in different forms. The most common form was the presence of only ground glass opacities which was 63 (40.6

关键词： High Resolution CT Scan Chest COVID-19 Diseases First Wave of Pandemic

Quality Evaluation of Ginger Candy Prepared by Osmotic Dehydration Techniques

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Food and Nutrition Sciences 2018年第4期9卷 376-389页

作者： Md Sahin Alam M. Kamruzzaman Sultana anjuman ara Khanom Mohammad Robel Hossen Patowary Md Toufiq Elahi Md Hasanuzzaman Dipak Kumar Paul Department of Applied Nutrition and Food Technology Islamic University Kushtia Bangladesh Vegetable Technology Research Section Institute of Food Science & Technology Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhaka Bangladesh Department of Environmental Sanitation Faculty of Nutrition and Food Science Patuakhali Science and Technology University Dumki Potukhali Bangladesh

The study was carried out to develop and compare Ginger candy from fresh indigenous and China Ginger. Ginger was immersed into the sugar solution with the concentrations of 50%, 60% and 70% sugar solution. Moisture, ash, protein, fat, crude fiber and total sugar content and organoleptic quality and microbial status of the prepared candy were analyzed. Moisture, ash, protein, fat and crude fiber content was found to be lower with increased concentration of sugar solution used, whereas total sugar content was found to be higher. Total bacterial count was increased with increasing the concentration of sugar solution. The best characteristic of Ginger candy was found with 50% sugar solution, with highest nutrient and lowest microbial load than candy prepared with 60% and 70% sugar solution.

关键词： Ginger Candy Sugar Solution Nutritional Composition Organoleptic Quality Sensory Score Microbial Load

A Study on Tomato Candy Prepared by Dehydration Technique Using Different Sugar Solutions

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Food and Nutrition Sciences 2014年第13期5卷 1261-1271页

作者： Md. Hasanuzzaman M. Kamruzzaman Md. Mominul Islam Sultana anjuman ara Khanom Md. Mashiar Rahman Laisa Ahmed Lisa Dipak Kumar Paul Department of Applied Nutrition and Food Technology Islamic University Kushtia Bangladesh Department of Microbiology and Biotechnology Jagannath University Dhaka Bangladesh Food Enzymology Research Section Institute of Food Science & Technology Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhaka Bangladesh Vegetable Technology Research Section Institute of Food Science & Technology Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhaka Bangladesh

The aim of the research was to develop a self-stable dehydrated tomato product using different sugar solutions and to study the effects of the sugar solution on the characteristic of tomato candy. Tomato was immersed into the sugar solution with the concentrations of 40%, 50% and 60% for 24 hours. Moisture, ash, protein, fat, vitamin C, acidity, total sugar, crude fiber, total SO2 and salt content and organoleptic quality and microbiological status of the prepared candy were analyzed. There was a tendency of decreasing moisture, ash, protein, fat, vitamin C, acidity, crude fiber and increasing total sugar content with increased concentration of sugar solution used. On the microbiological analysis, total bacteria and total fungus load were increased with increasing the concentration of sugar solution. The best characteristic of tomato candy was found with 40% sugar solution, with highest nutrient and sensory score and lowest microbial load than candy prepared with 50% and 60% sugar solution.

关键词： Tomato Candy Sugar Solution Nutritional Composition Organoleptic Quality Sensory Score Microbial Load