45 research outputs found
The fine structure of the mucosa of the human colon
No full textThesis (M.A.)--Boston UniversityPLEASE NOTE: Boston University Libraries did not receive an Authorization To Manage form for this thesis or dissertation. It is therefore not openly accessible, though it may be available by request. If you are the author or principal advisor of this work and would like to request open access for it, please contact us at [email protected]. Thank you.2999-01-0
Study of the Distinguishing Features of Mughal Mosque in Dhaka: A Case of Sat Gambuj Mosque
No full textMosque is the main focal point of Islamic spirit and accomplishments. All over the world in the Muslim settlements mosque becomes an edifice of distinct significance which is introduced by Prophet Muhammad (Sm.). Since the initial stage of Islam, Muslim architecture has been developed as the base point of mosque. Mosque architecture in medieval time uncovering clearly its sacred identity especially during the pre-Mughal and Mughal period in Bengal. Dhaka, the capital city of independent Bangladesh, is known as the city of mosques. The Mughal mosques of Dhaka are the exceptional example of mosque architecture wherever the ideas and used materials with distinguishing features have been successfully integrated in the medieval context of Bengal. In this research study, the author selected a unique historical as well as Dhaka’s most iconic Mughal era Mosque named “Sat Gambuj Mosque” (Seven Domed Mosque). The mosque, built in the 17th century, is a glowing illustration of Mughal Architecture with seven bulbous domes crowning the roof of the mosque, covering the main prayer area. It is undoubted that this magnificent ancient Mughal mosque is the material evidence of our glorious past with research worthy features and architectural details. This study is an attempt to identify the tangible distinguishing features of the Mughal mosque as well as the selected outstanding historical Mughal mosque. The overall research study conducted here is focused on the accomplishment of the findings in order to relate those distinguishing features with the Mughal mosque characteristics based on the morphological character, architectural features, structure and decoration which will be represented own belief, historical values and cultural exclusivity to the architecture.
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Annexin A6 and late endosomal cholesterol modulate integrin recycling and cell migration
No full textAnnexins are a family of proteins that bind to phospholipids in a calcium-dependent manner. Earlier studies implicated annexin A6 (AnxA6) to inhibit secretion and participate in the organization of the extracellular matrix. We recently showed that elevated AnxA6 levels significantly reduced secretion of the extracellular matrix protein fibronectin (FN). Because FN is directly linked to the ability of cells to migrate, this prompted us to investigate the role of AnxA6 in cell migration. Up-regulation of AnxA6 in several cell models was associated with reduced cell migration in wound healing, individual cell tracking and three-dimensional migration/invasion assays. The reduced ability of AnxA6-expressing cells to migrate was associated with decreased cell surface expression of αVβ3 and α5β1 integrins, both FN receptors. Mechanistically, we found that elevated AnxA6 levels interfered with syntaxin-6 (Stx6)-dependent recycling of integrins to the cell surface. AnxA6 overexpression caused mislocalization and accumulation of Stx6 and integrins in recycling endosomes, whereas siRNA-mediated AnxA6 knockdown did not modify the trafficking of integrins. Given our recent findings that inhibition of cholesterol export from late endosomes (LEs) inhibits Stx6-dependent integrin recycling and that elevated AnxA6 levels cause LE cholesterol accumulation, we propose that AnxA6 and blockage of LE cholesterol transport are critical for endosomal function required for Stx6-mediated recycling of integrins in cell migration
The Study of Genetic Divergence in Rice (Oryza Sativa L.) Genotypes with Grain Yield and Different Morpho Physiological Traits using Mahalanobis’ D2 Analysis
No full text The current study attempted to study genetic divergence in rice (Oryza sativa L.) genotypes with grain yield and different morpho-physiological traits among 18 rice varieties using Mahalanobis' D2 analysis. Keeping this in mind, the performance of the studied genotypes, as well as the association between various morpho-physiological and yield contributing traits among the genotypes, were evaluated in the field. The experiments were conducted from July to December 2018 at the Agronomy Field, Department of Agronomy and Agricultural Extension, Faculty of Agriculture, Rajshahi University. In terms of grain yield and other morpho-physiological traits, the genotypes differed significantly. The genotypes were classified into five clusters using Mahalonobis' D2 statistics and Tocher's method (Table 3). Cluster IV was the smallest of the clusters. Cluster l is the largest, with six genotypes. Clusters II and lV each contained three and two genotypes. The pattern of genotype distribution among various clusters reflected the significant genetic variability present in the genotypes, which may be due to adaptation of these genotypes to specific environmental conditions. Genotypes from different clusters are expected (inter-cluster). The intra (bold) and inter-cluster distances from D2 analysis (Table 4). Cluster I has the greatest intra cluster distance (0.956), while Cluster IV has the smallest (0.3583). The greatest inter-cluster distance is observed between cluster IV and (8.190), while the smallest inter-cluster distance is observed between cluster II and IV (2.924). In both vectors, the average inter-cluster distances were greater than the average intra-cluster distances, indicating the presence of greater genetic diversity among genotypes from different clusters than those from the same cluster. These findings indicated that these five traits contributed the most to the divergence among the eighteen rice genotypes. The results revealed that the clusters were remarkably distinct for the majority of the traits, indicating proper clustering. The most effective tiller, grain panicle, effective grain panicle, and days to maturity were found in Cluster V. The intra-cluster mean for grain yield was the lowest in this cluster. Cluster III had the lowest grain yield per acre. This was the cluster with the lowest initial grain yield. The intra-cluster mean for effective tiller and days to maturity was highest in this cluster. Cluster II had the smallest grain yield and the second smallest thousand grain weight. Cluster V had the shortest panicle length intra-cluster. 
Performance of different percentage of urea as foliar fertilizer on growth and development of rice (Rabi dhan1)
No full textNitrogen can dramatically stimulate plant productivity as well as yield potential of intensifiedagriculture system. The unavailability of Nitrogen fertilizer specially urea during critical period(sowing season, drought, flood.) hamper the rice production. It is noticed in literature that theeffectiveness of nitrogen fertilizer increased if it is applied in plants through foliage along withsoil application. Present research work was planned to evaluate this theme so that the loss of yielddue to unavailability of urea can be reduced by foliar application at various growth stagesof rice.A research work was conducted to examine the “Performance of different percentage of urea asfoliar fertilizer on growth and development of rice (Rabi dhan 1).” at the Agronomy andAgricultural extension Department Field, University of Rajshahi, Bangladesh from December2022-May 2023. Rabi Dhan-1 rice variety with six different percentage of urea as foliar applicationwere used for this experiment. 1. T1= N0% Control, 2. T2= 65% of recommended dose (N 50% asSA + 15% as FA), 3. T3= 70% of recommended dose (N50% as SA + 20% as FA), 4. T4= 75% ofrecommended dose (N50 % as SA + 25 % as FA), 5. T5= 80% ofrecommended dose (N60% asSA + 20% as FA) , 6. T6= N100% Soil application (Traditional practice). The experiment was laidout in a randomized complete block design with threereplications. The significant effect of liquidfertilizer was found on almost all the parameters under studied. All the phenological and growthparameters showed the highest performance in T4= 75% of recommended dose (N50 % as SA+ 25 % as FA) and lowest in T1= N0% Control. Theresult showed that the phenological characters like plant height, total number of tiller hill1 washighest inT4 while the lowest was in T1. Plant height was increased with the increase of the ageof plants. Chlorophyll content increased slowly at the early stage of crop growth and later declined.All the yield contributing characters like plant height, total number of tiller hill1, effective tillerhill1, panicle length, number of grains panicle1, number of filled grain panicle1,1000 grain weight and grain yield were varied significantly due to different doses of fertilizer application. 
Estimation of Genetic Variability, Heritability and Genetic Advances for Short Duration and High Yielding Rice Genotypes
No full textThe goal of the study was to find genotypes of 18 different rice varieties that would yield a lot of rice in a short amount of time. With this in mind, the study genotypes' field performance as well as the relationships between various morpho-physiological and yield-contributing traits among the genotypes was assessed. The experiments were conducted from July to December 2018 at the Agronomy Field, Department of Agronomy and Agricultural Extension, Faculty of Agriculture, Rajshahi University. In genotype BRRI dhan 51, the maximum number of days to 50% flowering was discovered. The genotype BRRI dhan 56 had the lowest number of days required for 50% flowering. Genotypes showed a wide range of days to maturity (92.00–109.00), with an average of 98.96 days. The genotypes DRR 46, BINA 7, and DRR 44 are followed by the genotypes BRR1 dhan 66, BRR1 dhan 56, and BRR1 dhan 57, which have shorter maturity periods (i.e., 92.00 days), indicating earliness. The traits investigated in this study showed high heritabilities, with estimates ranging from 67.00 to 96.00 percent. Days to flowering and unfilled grain panicle-1 had the highest heritability among the traits (96.00%).The presence of high heritability values suggests that the expression of the traits under study is less influenced by the external environment. The unfilled grain panicle-1 had the highest genetic advance as a percentage of the mean (144.80%), while panicle length had the lowest genetic advance (10.48%) among the traits that affected yield
COMPARISON OF GROWTH AND YIELD PERFORMANCE OF RICE VARIETIES UNDER THREE AGRO ECOLOGICAL ZONE
No full text<p>The experiment was conducted to study “COMPARISON OF GROWTH AND YIELD PERFORMANCE OF RICE VARIETIES UNDER THREE AGR0ECOLOGICAL ZONE”. The experiment consisted of five varieties viz, two inbred variety; BRRI dhan-28, BRRI dhan-29 and three hybrid variety: Surma-2, BRRI hybrid dhan-2, Hira-5; three regions viz. Rajshahi, Rangpur and Bogra. The experiment was laid out in a randomized complete block design with three replications. Among the tested varieties BRRI dhan-29 produced highest grain yield (7.97 t ha<sup>-1</sup>) which was significantly superior to all other varieties and lowest grain yield (5.21 t ha<sup>-1</sup>) was produced Surma-2 in Rajshahi region. Hira-5 produced highest grain yield (8.81 t ha<sup>-1</sup>) which was significantly superior to all other varieties and lowest grain yield (6.40 t ha<sup>-1</sup>) was produced BRRI dhan-28 in Rangpur region. Surma-2 produced highest grain yield (9.48 tha<sup>-1</sup>) which was significantly superior to all other varieties and BRRI dhan-28 produced the lowest grain yield (6.79 t ha<sup>-1</sup>) in Bogra region. All the yield contributing measurements of rice varieties showed variability in different region. The result summarized that hybrid variety showed superior performance in comparison with inbred variety (2010-2011).</p>
Melioidosis
No full textMelioidosis is an important disease caused by a Gram-negative bacterium, Burkholderia pseudomallei. The true incidence of melioidosis is unknown for most countries of the world including Bangladesh. Due to its increasing incidence in many countries of the world it is an important issue now days. Due to variability of clinical features and limited availability of laboratory facilities the disease remains largely under-reported.Early and specific diagnosis is important to ensure a favourable outcome regarding this disease. In this paper history, transmission, sign symptoms, diagnosis and prevention of melioidosis are critically reviewed to know about something regarding this diseaseKYAMC Journal Vol. 4, No.-1, July 2013, Page 353-356</jats:p
USE OF HERVICIDES FOR WEED CONTROL AND THEIR EFFECTS ON YIELD PERFORMANCE OF WHEAT (Triticum aestivum L)
No full text<p>This experiment was carried out in the research farm of the Regional Wheat Research Institute, Shampur, Rajshahi during the period from November last week 2019 to April first week 2020 in order to the find out “USE OF HERVICIDES FOR WEED CONTROL AND THEIR EFFECTS ON YIELD PERFORMANCE OF WHEAT (Triticum aestivum L) .’’ Wheat sown both conventional and strip method. In this research yield and yield contributing characters were found and maximum wheat production observed by under strip tillage method (4.48 t/ha). In randomized complete block design (RCBD) with three replications in both tillage systems with some herbicides were tested for weed control treatment. The maximum number of effective and total tiller per meter square, 1000 grain weight, were observed in T<sub>4</sub>(Affinity, BD.) herbicides for weed control treatment. As a result, maximum grain yield was obtained in T<sub>4</sub> treatment. The 2<sup>nd</sup> maximum yield was recorded in T<sub>6 </sub>(Axial + Affinity, India) herbicides for weed control treatment. The lowest grain and other yield contributing characters were found in T<sub>9 </sub>(Weedy check) condition. The effect of interaction between different method of cultivation and weed control treatment were insignificant for all yield and yield contributing characters except plant height, grain yield and straw yield.</p>
