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Rahman, Md. Habibur,Rahman, Mizanur,Kamal, Md. Mostafa,Uddin, Md. Jasim,Fardusi, Most. Jannatul,Roy, Bishwajit Institute of Forest Science 2013 Journal of Forest Science Vol.29 No.1
Present study analyzes the rooftop gardening status, floristic composition and cost and return of the rooftop garden in Sylhet City Corporation of northeastern Bangladesh. Data was collected from 450 rooftop gardeners randomly during July-September 2010. Study reveal that rooftop gardening is generally for mental satisfaction (95.3%) followed by leisure time activity (87.8%) in the study area and almost all the family members of gardeners' were involved; while collection of planting materials, sites preparation and marketing of products were reported to be carried out by males only (male 71.33%). Middle income classes were most interested in rooftop gardening (43.78%). The survey recorded 53 plant species (35 families) of which Cucurbitaceae family represented highest eight species. Shrubs (28%) were highest followed by herbs (26%) among agri-crops (36%) and flower species (30%). About 89% of the rooftop gardeners procured planting materials from nursery, market, fair, neighbor, relative and friends and they mostly prefer to use seedlings (48%) for roof gardening followed by direct seed sowing (21%). Gardeners sell products sporadically in different local markets, directly or through intermediaries, with no uniform pricing for system. Rooftop gardening improves the food security and meet nutritional deficiency to the gardeners. Survey revealed that generally very few people consider rooftop gardening commercially to get profit and from the cost-return analysis this gardening system can be economically viable if proper and scientifically managed. The study conclude that active government and NGOs could play vital role to increasing this activities by providing training and motivate people with technical aspects of rooftop gardening.
Rahman, Md. Mizanur,이영대 한국방재학회 2012 한국방재학회논문집 Vol.12 No.3
This study is based on finite element analyses performed by PLAXIS code to investigate the feasibility of modeling the effect of DCM (Deep Cement Mixing) columns in two dimension by a newly proposed method namely ‘Replacement Weighted Area’. The results of new method have been compared with the existing method of ‘Same Area Replacement Ratio’ as well as with field observations. It has been found that the ‘Replacement Weighted Area’ in plane strain element has provided reasonable predictions. In addition, a parametric study of the stability of geotextile-reinforced soil was performed in different layers of embankment with factors like the effects of tensile stiffness, number and length of reinforced layer. It has been observed that vertical settlements and lateral displacements have been reduced with increasing in tensile stiffness, number and length of reinforcement. However, over certain thresholds, number and length of geotextile did not enhance significant settlements and lateral displacements. This study is based on finite element analyses performed by PLAXIS code to investigate the feasibility of modeling the effect of DCM (Deep Cement Mixing) columns in two dimension by a newly proposed method namely ‘Replacement Weighted Area’. The results of new method have been compared with the existing method of ‘Same Area Replacement Ratio’ as well as with field observations. It has been found that the ‘Replacement Weighted Area’ in plane strain element has provided reasonable predictions. In addition, a parametric study of the stability of geotextile-reinforced soil was performed in different layers of embankment with factors like the effects of tensile stiffness, number and length of reinforced layer. It has been observed that vertical settlements and lateral displacements have been reduced with increasing in tensile stiffness, number and length of reinforcement. However, over certain thresholds, number and length of geotextile did not enhance significant settlements and lateral displacements.
<i>Ferrimonas gelatinilytica</i> sp. nov., isolated from tidal flat sediment
Rahman, Mohammad Mizanur,Cha, Chang-Jun International Union of Microbiological Societies 2013 International journal of systematic and evolutiona Vol.63 No.11
<P>A novel beige-pigmented, Gram-staining-negative, coccoid, motile and facultatively anaerobic bacteria, designated strain CJ24<SUP>T</SUP>, was isolated from the tidal flat sediment of the Yellow Sea in South Korea. Characterization of this strain was performed on the basis of polyphasic taxonomic methods. Phylogenetic analysis of the 16S rRNA and g<I>yr</I>B genes revealed that strain CJ24<SUP>T</SUP> belongs to the genus <I>Ferrimonas</I>, sharing the highest 16S rRNA gene sequence similarity of 96.9 % with <I>Ferrimonas marina</I> DSM 16917<SUP>T</SUP>. Strain CJ24<SUP>T</SUP> was able to grow optimally at 30 °C, at pH 6.0 and in the presence of 2 % NaCl (w/v). As an isoprenoid quinone, menaquinone (MK-7) was predominantly identified from this strain, while ubiquinone (Q-7) was also present as a minor component. The DNA G+C content of strain CJ24<SUP>T</SUP> was 60.2 mol%. The most abundant cellular fatty acids were C<SUB>15 : 0</SUB> iso, C<SUB>18 : 1</SUB>ω9c, C<SUB>16 : 0</SUB> and C<SUB>17 : 0</SUB> iso. Therefore, strain CJ24<SUP>T</SUP> represents a novel species in the genus <I>Ferrimonas</I> for which the name <I>Ferrimonas gelatinilytica</I> sp. nov. is proposed; the type strain is CJ24<SUP>T</SUP> ( = KACC 17065<SUP>T</SUP> = JCM 18720<SUP>T</SUP>).</P>
Rahman Mohammad Mizanur,Kim Han-Do The Polymer Society of Korea 2006 Macromolecular Research Vol.14 No.6
Waterborne polyurethane (WBPU) adhesive with varying amounts of dimethylol propionic acid (DMPA) was synthesized by prepolymer process and blended with polyisocyanate hardener. The mean particle size of the WBPU dispersion decreased with increasing DMPA content. $^1H$ NMR spectroscopy confirmed the formation of allophanate bonds and biuret bonds due to the reaction of hardener NCO with urethane/urea groups. The optimum NCO content with the greatest adhesive strength was dependent on the total content of urethane/urea groups in the WBPU molecules. The optimum NCO content increased with increasing number of urethane groups (DMPA content). The adhesion strength of WBPU adhesives was maximized at a molar ratio of hardener NCO to urethane/urea of about 0.28.
Rahman, Muhammad Mizanur,Fatema, Kanij Korean Society of Medical Genetics and Genomics 2021 대한의학유전학회지 Vol.18 No.1
Cerebral creatine deficiency syndrome (CCDS) is a disorder where a defect is present in transport of creatine in the brain. Creatine plays an essential role in the energy metabolism of the brain. This is a genetic disorder, autosomal recessive or X linked, characterized by intellectual disability, speech and language delay, epilepsy, hypotonia, etc. Until recently very few number of cases have been reported. Here we report a case of 1.5-year-old boy who had epilepsy (epileptic spasm and generalized tonic clonic seizure), intellectual disability, microcephaly, hypotonia and speech delay. His magnetic resonance imaging of brain showed cortical atrophy and electroencephalography showed burst suppression pattern. The diagnosis was confirmed by clinical exome sequencing which showed novel mutation of SLC6A8+ in exon 9, suggestive of X linked recessive CCDS. The patient was then treated with glycine, L-arginine and creatine monohydrate with multiple antiepileptic drugs.
Rahman, Mizanur,Kim, Shang-Jin,Kim, Jin-Shang,Kim, Sung-Zoo,Lee, Young-Up,Kang, Hyung-Sub S. Karger AG 2010 Cardiology Vol.116 No.3
<P><I>Objectives:</I> The aim of this study was to prevent metastatic myocardial calcification and hypertension following chronic renal failure (CRF). <I>Methods:</I> A total of 50 male Sprague-Dawley rats were allocated to one of five groups: the control group (sham), the NxNT group (nephrectomized rats receiving no treatment), the NxFuro group (nephrectomized rats treated with furosemide), the NxCap group (nephrectomized rats treated with captopril) and the NxFuroCap group (nephrectomized rats treated with furosemide and captopril). Surgery (5/6 nephrectomy) was performed to induce CRF. Oral treatment with furosemide (20 mg/kg) and/or captopril (0.05 mg/kg) was given twice daily for 5 weeks. Parameters were studied after 5 weeks. <I>Results:</I> In the NxNT group, arterial blood pressure was significantly increased compared with the controls. Monotherapy with furosemide or captopril and both in combination maintained blood pressure to near or below control. Myocardial and remnant-kidney calcification was detected in NxNT rats, but calcification was absent in the NxFuroCap rats. Cardiac hypertrophy and fibrosis was observed in the NxNT group but not in treatment groups. Both plasma inorganic phosphate and Ca<SUP>2+</SUP> significantly increased in the NxNT group, but the difference was not significant in the treatment groups. <I>Conclusion:</I> Furosemide, either alone or in combination with captopril, is capable to prevent myocardial calcification, cardiac hypertrophy and hypertension, maintaining blood Ca<SUP>2+</SUP> and phosphate levels by slowing CRF.</P><P>Copyright © 2010 S. Karger AG, Basel</P>