Jashore University of Science and Technology (Bengali: যশোর বিজ্ঞান ও প্রযুক্তি বিশ্ববিদ্যালয়) commonly known and abbreviated as JUST (Bengali: যবিপ্রবি) is a government-financed public university in Bangladesh. JUST is located at Sadhinata Sarak in Jessore Sadar Upazila. Its postal code is Jashore-7408.is the fourth public university in Khulna Division, and the first public university in Jashore. It was established in 2007 and started four-year undergraduate courses from the 2009–2010 session. It was previously known as Jessore University of Science & Technology.
Carbon dioxide (CO2) emissions pose a critical environmental challenge, making the development of efficient and economically feasible carbon capture, utilization, and sequestration technologies essential for the successful implementation of global carbon reduction plans to combat climate change. In 2023, global CO2 emissions reached 41.41 billion tons, with 89.6 % (37.15 billion tons) originating from the combustion of fossil fuels. This comprehensive review examines advanced CO2 capture techniques, such as absorption, adsorption, microbial carbon capture, membrane separation, and various utilization methods, such as physical applications and chemical conversions. The abundant active sites of metal-doped mesoporous bimetallic nanomaterials make them ideal for CO2 capture and catalytic activity in chemical conversions. Electrochemical reduction or electrocatalytic conversion of CO2 facilitates CO2 utilization under mild reaction conditions, controllable reaction rates, and high product selectivity through applied potentials. Microbial conversion can produce valuable products such as acetate, protein, and folate (vitamin B9). If hydrogen fuels could replace fossil fuels, the development of a technology to simultaneously produce hydrogen and carbonaceous nanomaterials from fossil fuels would provide a sustainable solution for CO2 management and contribute to global environmental protection.
Background: Post-stroke depression (PSD) is a common neuropsychiatric complication following cerebrovascular insult, where lesion localization significantly influences the severity and pattern of depressive symptoms among stroke survivors. Objective: This study aims to determine the correlation between specific lesion localization identified by neuroimaging and the severity of post-stroke depression using standardized psychometric assessment scales among stroke survivors in Bangladesh. Methods: A cross-sectional analytical study was conducted in the Department of Neuromedicine, Jessore Medical College, from July 2023 to June 2024. A total of 124 ischemic and hemorrhagic stroke survivors were screened using Patient Health Questionnaire-9 (PHQ-9) and MRI-based lesion mapping. Data were analyzed using Pearson’s correlation, one-way ANOVA, and multiple linear regression with p<0.05 considered statistically significant. Results: The mean PHQ-9 score was 11.84 ± 5.26, indicating mild-to-moderate depression in 58.9% of subjects. Lesions localized in the left frontal cortex (n=34) showed the highest mean depression score (15.3 ± 4.1), followed by basal ganglia (n=22; 13.9 ± 3.8) and thalamic regions (n=18; 12.4 ± 3.6). Right hemispheric lesions (n=50) demonstrated significantly lower PHQ-9 means (9.7 ± 4.2) compared to left hemispheric lesions (n=74; 13.8 ± 4.9), t=3.89, p=0.001. Correlation analysis revealed a strong positive association between left anterior lesion volume and depression severity (r=0.62, p<0.001). Multivariate regression identified lesion laterality (β=0.41, p=0.003) and lesion size (β=0.36, p=0.009) as independent predictors of PSD severity. Conclusion: Lesion localization, particularly in left frontal and subcortical regions, significantly correlates with post-stroke depression severity. Early identification through neuroimaging can enhance targeted psychiatric interventions and improve rehabilitation outcomes.
Aims: Transplant (T) aman is occupying a major portion of rice based cropping system in Sylhet region, Bangladesh. Still majority of farmers are circled to cultivate local T. aman rice cultivars, but the overall yield is very low. Agronomic management can be a good option to boost up the yield potential of these local cultivars. This study was conducted to observe the influence of planting geometry on the yield of local aman cultivars. Study Design: Randomized complete block design. Place and Duration of Study: The experiment was conducted to find out optimum plant density of local cultivars of T. aman rice during the period from August 2017 to December 2017 at farmer’s field located at Jointapur, Sylhet. Methodology: The study were replicated thrice in randomized complete block design considering four rice cultivars viz. Beruin (V1), Moinasail (V2), Nagrasail (V3) and, BRRI dhan49 (Control, check variety) (V4) and four plant spacings viz. (15 × 15) cm (S1), (20 × 15) cm (S2), (20 × 20) cm (S3) and (20×25) cm (S4). Results: The results indicated that the highest grain yield were recorded in (2.65 t ha-1) in the variety V4, which was statistically similar with V3 (2.60 t ha-1). The highest grain yield (2.87 t ha-1) was obtained (V4 × S4) while the lowest (1.58 t ha-1) from (V1 × S1). Among the local varieties highest grain yield (2.64 t ha-1) recorded in (V3 × S4) which was statistically similar (V4 × S4). Conclusion: Outcomes of the study revealed that Nagrasail (V3) with (20 × 25) cm plant spacing is a promising option, and isthe best one for local T. aman cultivar cultivation in Sylhet region.
This paper offers a critical analysis of the arsenic-accumulating, transforming bacteria and their potential use and effect in remediating agricultural soil. Given the worldwide presence, sources, types, and pathways of arsenic, accumulating, and transforming bacteria, and the effect of arsenic contamination on plant and agricultural soil were studied. Diverse published studies have emphasized arsenic characteristics and effects on soil. In this study, we emphasized the biochemical process and the bioremediation mechanism of arsenic contamination. The method used to isolate and identify arsenic-resistant bacteria was also described. This paper provided an overview of the information about the contamination of arsenic, the effect of its accumulation in agricultural fields, and which bacteria are used to metabolize arsenic in soil. Various types of microbes, including Exiguobacterium, Aeromonas, Bacillus, Pseudomonas, Escherichia, and Acinetobacter, metabolize the activity of inorganic arsenic to generate their energy. The bacterial ars operon consists of three to five genes that are located in plasmids. These genes are involved in oxidation, reduction, methylation, or demethylation in the arsenic transformation process in bioremediation. For example, in arsenic (V) reduction, two microbial pathways known are the detoxification pathway arsC genes negotiate and the respiratory pathway arsA genes negotiate. Further, this paper demonstrates briefly the sources of arsenic contamination and its effect on plants and soils. It has been found that certain microbes' genes facilitate the reduction and oxidization in arsenic toxicity and have some bioremediation capacity to reduce and immobilize the arsenic contamination in agricultural soil.
Targeting apoptosis is a promising approach to inhibit the abnormal cell proliferation of cancer progression. Existing anti-apoptotic drugs, many derived from chemical substances, have often failed to combat cancer development and progression. Therefore, identification of apoptosis-inducing anticancer agents from plant-derived sources has become a key aim in cancer research. The present study was designed to explore the regulation of apoptosis by Tabebuia pallida (T. pallida) using an Ehrlich Ascites Carcinoma (EAC) mouse model and compositional analysis by LC-ESI-MS/MS. Dried and powdered T. pallida leaves (TPL), stem bark (TPSB), root bark (TPRB) and flowers (TPF) were extracted with 80% methanol. Using cultured EAC cells and EAC-bearing mice with and without these extracts, anticancer activities were studied by assessing cytotoxicity and tumor cell growth inhibition, changes in life span of mice, and hematological and biochemical parameters. Apoptosis was analyzed by microscopy and expression of selected apoptosis-related genes (Bcl-2, Bcl-xL, NFκ-B, PARP-1, p53, Bax, caspase-3 and -8) using RT-PCR. LC-ESI-MS analysis was performed to identify the major compounds from the most active extracts. In EAC mice compared with untreated controls, the TPL extract exhibited the highest cytotoxicity with significant tumor cell growth inhibition (p< 0.001), reduced ascites by body weight (p< 0.01), increased the life span (p<0.001), normalized blood parameters (RBC/WBC counts), and increased the levels of superoxide dismutase and catalase. TPL-treated EAC cells showed apoptotic characteristics of membrane blebbing, chromatin condensation and nuclear fragmentation, and caspase-3 activation, compared with untreated EAC cells. Moreover, annexin V-FITC and propidium iodide signals were greatly enhanced in response to TPL treatment, indicating apoptosis induction. Pro- and anti-apoptotic signaling after TPL treatment demonstrated up-regulated p53, Bax and PARP-1, and down-regulated NFκ-B, Bcl-2 and Bcl-xL expression, suggesting that TPL shifts the balance of pro- and anti-apoptotic genes towards cell death. LC-ESI-MS data of TPL showed a mixture of glycosides, lapachol, and quercetin antioxidant and its derivatives that were significantly linked to cancer cell targets. In conclusion, the TPL extract of T. pallida possesses significant anticancer activity. The tumor suppressive mechanism is due to apoptosis induced by activation of antioxidant enzymes and caspases and mediated by a change in the balance of pro- and anti-apoptotic genes that promotes cell death. Graphical Abstract
