Md Shariful Islam

• University of Rajshahi

The present study was conducted at the Field Laboratory of the Department of Agriculture, Noakhali Science and Technology University (NSTU), Noakhali-3814, from December 2022 to May 2023 to investigate the effect of vermicompost on the growth, yield, and nutritional content of boro rice. This field experiment consisted of the BRRI dhan97 and four v...

The Earth's orbital environment is increasingly congested with space debris, posing a substantial risk to space operations and safety. Current mitigation strategies are primarily tailored to either small debris, through protective devices, or large debris, via spacecraft deorbiting methods, leaving medium‐sized debris (0.4–10 cm) as a significant u...

Advanced cell culture platforms that vary the biophysical microenvironment are useful tools for mechanobiology studies and for directing the differentiation of adherent cells to therapeutically relevant phenotypes. Herein, the fabrication of magnetoactive nanofiber mats for integration with hydrogels as a platform for dynamic stimulation at the cel...

Lithium metal is considered one of the most promising anode materials for lithium batteries due to its high theoretical specific capacity (3860 mAh·g⁻¹) and low redox potential (-3.04 V). However,...

Background: Sexual intercourse is integral part of physical well-being health especially in married couple's life. Unhappiness and life dissatisfaction can be positively influenced by sexual inactivity. Sexual inactivity has recently been subject to increased scrutiny from public health perspectives. This project targeted to examine the socio-demog...

Due to the advantages of multiplicity, functionality, and flexibility of organic building blocks, organic piezoelectric materials are regarded as next‐generation materials for potential applications in flexible sensors and energy harvesting devices. Here, a new pure organic pyrene‐based molecule, PyPT is presented, which crystallizes in a non‐centr...

Objectives To predict and characterize the three-dimensional (3D) structure of protein arginine methyltransferase 2 (PRMT2) using homology modeling, besides, the identification of potent inhibitors for enhanced comprehension of the biological function of this protein arginine methyltransferase (PRMT) family protein in carcinogenesis. Materials and...

A study was conducted to ascertain the nutritional composition of grown groundnut (Arachis hypogaea L). The fully developed seeds were harvested individually from groundnut plants cultivated using both inorganic and organic fertilizers as the base, with additional organic fertilizer added throughout different stages of vegetative growth. To facilit...

Air pollution is a serious environmental health issue, particularly in heavily polluted urban areas such as Dhaka, Bangladesh. Street vendors, who often work in outdoor environments with high traffic emissions, are among the most vulnerable populations to particulate matter (PM) exposure. This study aims to evaluate the exposure of high-level PM2.5...

Alginate and gellan gum have both been used by researchers as reinforcing networks to create tough and biocompatible polyethylene glycol (PEG) based double network (DN) hydrogels; however, the relative advantages and disadvantages of each approach are not understood. This study directly compares the mechanical and biological properties of polyethyl...

Battery recycling is a promising approach to mitigate the safety, environmental, and economic threats posed by numerous discarded lithium‐ion batteries (LIBs). However, the unclear atomic‐scale degradation of spent graphite complicates recycling, resulting in energy‐intensive impurity removal and graphitization, which hampers industrialization. Thi...

Interference between independently generated photons is a key step towards distributing entanglement over long distances, but it requires synchronization between the distantly-located photon sources. Synchronizing the clocks of such photon sources using coexisting two-way classical optical communications over the same fiber that transport the quant...

Food contamination poses a significant threat to public health, the economy, and human health worldwide, occurring at any stage of the food supply chain, from farm to fork. Efficient and effective real‐time monitoring methods for the early identification and rapid detection of pathogen contamination are critical to preventing possible food safety i...

Human societies have relied on communication since ancient times, yet verbal communication poses significant challenges for deaf and hard-of-hearing individuals, necessitating reliance on sign language. Recent advancements, notably through deep learning models, have propelled research in this area. Acknowledging the need for further progress, parti...

Native mudskipper (Apocryptes bato) is a freshwater fish species found in the riverine coastal area of Bangladesh. However, nutritional compositions of this fish are still unknown. Thus, as pioneer report, the study aims to determine the chemical compositions, minerals content, amino acids and fatty acids profiles of male and female native mudskipp...

Mesenchymal stem cell‐derived secretome represents an emerging acellular therapeutic which possess significant opportunity for clinical applications due to its anti‐inflammatory, immunomodulatory, and wound healing properties. However, maintaining therapeutic efficacy and ensuring stability of cell‐based products is challenging, requiring a robust...

The extracellular matrix in tissue consists of complex heterogeneous soft materials with hierarchical structure and dynamic mechanical properties dictating cell and tissue level function. In many natural matrices, there are nanofibrous structures that serve to guide cell activity and dictate the form and function of tissue. Synthetic hydrogels with...

Transformer design is the de facto standard for natural language processing tasks. The success of the transformer design in natural language processing has lately piqued the interest of researchers in the domain of computer vision. When compared to Convolutional Neural Networks (CNNs), Vision Transformers (ViTs) are becoming more popular and domina...

Efficient and accurate detection of small objects in manufacturing settings, such as defects and cracks, is crucial for ensuring product quality and safety. To address this issue, we proposed a comprehensive strategy by synergizing Faster R-CNN with cutting-edge methods. By combining Faster R-CNN with Feature Pyramid Network, we enable the model to...

The purpose of this study was to analyze the proximate composition and mineral contents of available freshwater fish species from homestead ponds of Patuakhali. Eleven (11) different species of freshwater fish were collected. The moisture content of analyzed fish species ranged from 65.46 to 76.82 %. Significantly higher content of protein was foun...

Data analytics (DA) has gained widespread attention in accounting and auditing recently. Despite the significant potential presented by DA programming languages such as R and Python, their application remains limited. This study presents the tidyverse approach of R for DA in the field of accounting. This approach can greatly benefit undergraduate o...

Organic farming using moringa leaf extract is growing in demand day by day because of its growth-promoting behavior. The study was conducted at Sher-e-Bangla Agricultural University, Dhaka, Bangladesh, during the period from December 2021 to May 2022 to evaluate the effect of moringa leaf extract on the growth and yield of Capsicum annum L. The exp...

SYNOPSIS We investigate the effects of CEO networks on the timeliness of financial reporting. Using a sample of over 2,000 firms for the period 2004–2017, we find that firms led by well-connected CEOs have lower earnings announcement lag, audit lag, and filing (10-K) lag. This timeliness is not at the expense of financial reporting quality and accu...

In the present study, we determined the developmental toxicity of endosulfan at an elevated ambient temperature using the zebrafish animal model. Zebrafish embryos of various developmental stages were exposed to endosulfan through E3 medium, raised under two selected temperature conditions (28.5 °C and an elevated temperature of 35 °C), and monitor...

The recent trend in network intrusion detection leverages key features of machine learning (ML) algorithms to detect network traffic anomalies. Network traffic flows contain high dimensional features which significantly affect data-driven approaches. Therefore, the performance of ML-based approaches mainly depends on the appropriate set of features...

Mutual information (MI) based feature selection methods are getting popular as its ability to capture the nonlinear and linear relationship among random variables and thus it performs better in different fields of machine learning. Traditional MI based feature selection algorithms use different techniques to find out the joint performance of featur...

The research was explained the nutritive value of 3 different varieties of Dragon fruit (Hylocereus polyrhizus)

Four Bangladeshi villages were chosen at random to represent a total of 64 home gardens.The study’s objective was to evaluate the variety of tree species and the carbon store in the tree biomass on Char Island, both above and below groun. The Shannon Wiener index was used to evaluate the variety of tree species, and allometric equations were used t...

Amaranth has two morphological types, one is red and another is green. For this study, we collected five red and five green morph samples to analysis in terms of proximate, minerals, antioxidant pigments and phytochemicals and antioxidant activity in three replicates. The leaves of red amaranth are an outstanding source of dietary fiber, carbohydra...

In this study, numerical solutions are obtained for the time-dependent two-dimensional nonlinear parabolic partial differential equations (PDEs) with initial and Dirichlet boundary conditions. In assessing spatial derivatives, we employ the modified Galerkin method with the aid of Green’s theorem, which minimizes the derivatives’ order and incorpor...

Thalassemia is one of the most common life-threatening yet preventable congenital hemoglobin disorders especially in South Asian regions like Bangladesh. It has become a rising public health concern for Bangladesh as 6–12% of the population are carriers and many of them are unaware of it. The purpose of the study is to inspect the knowledge and att...

Students have difficulty choosing the most suitable courses during their undergraduate studies. In the academic world, the institutions offer students various courses to study. They have several options to choose from many courses based on their future career planning, interest, and advice from peers, seniors, teachers, etc. Hence, inappropriate co...

Using a unique dataset of CEO social capital between 1998 and 2017, we investigate the degree to which CEO social capital increases or decreases investors’ reliance upon traditional accounting metrics when valuing the equity of non-US firms. We find, ceteris paribus, that investors rely more heavily on the book value of equity, rather than on earni...

Cyclin E1 (CCNE1) is a protein-coding gene that belongs to the Cyclin family of genes that controls the G1/S phase transition of the cell cycle. Previously, its abnormal expression pattern has been examined and linked to be correlated with ovarian and breast cancer progression. Herein, we exploited a bioinformatics and database mining strategy to u...

We investigate the effect of chief executive officer (CEO) social capital, proxied by the CEO network centrality, on the value relevance of accounting metrics for non-US firms, and the roles country-level governance attributes play during the valuation process. We find a strong positive relation between CEO social capital and the value relevance of...

The two main parts of Optical Character Recognition (OCR) systems are segmentation and recognition. In an OCR system, the input text is first segmented into distinctive character images before these segments are fed to the recognition system. The efficiency of a recognition system largely depends on the dataset. To build a good dataset, a highly in...

Accuracy and error analysis is one of the significant factors in computational science. This study employs the Galerkin method to solve second order linear or nonlinear Boundary Value Problems (BVPs) of Ordinary Differential Equations (ODEs) with modified Legendre polynomials to seek numerical solutions. The residual function of a differential oper...

Sylhet is one of the rapidly growing cities of Bangladesh with a population density of more than 20,000 people per square kilometer. However, no sustainable public transport is available in the city resulting in the worsening of traffic conditions day by day. In this situation, the implementation of a suitable public transport system like BRT (Bus...

Anticipating an increasing demand for hybrid double network (DN) hydrogels in biomedicine and biotechnology, this study evaluated the effects of each network on the mechanical and biological properties. Polyethylene glycol (PEG) (meth)acrylate hydrogels with varied monomer molecular weights and architectures (linear vs. 4-arm) were produced with an...

A parametric study that examines the ground surface settlement due to the excavation of shallow offset arrangement twin tunnels is presented. Offset arrangement tunnels are those that run parallel to each other, but at different elevations. The study focuses on the influence of both the construction sequence and various geometric parameters on the...

Intrusion Detection Systems (IDSs) play an important part in securing computer networks from different malicious threats and attacks. Modern IDSs leverage machine learning algorithms for effective intrusion detection. However, network traffic flows contain a large number of redundant features in a high-dimensional feature space which decreases the...

Amaranth is a commonly consumed and nutritious vegetable. Amaranth has two morphological types, one is green and another is red. In this study, we collected five red and five green morph samples to analyze in terms of proximate, minerals, antioxidants, phytochemicals, and antioxidant activity in three replications. We found remarkable potassium (6....

This study demonstrates that the vascular flora of the Rangpur district area consists of 825 species under 537 genera and 139 families. The pteridophytes and gymnosperms are represented by 25 and seven species, respectively, whereas the angiosperms by 793 species including 582 species of dicotyledons (Magnoliopsida) and 211 species of monocotyledon...

Reliable prediction of surface and subsurface settlements induced by shallow tunnels is important to minimize the adverse effects which may take place during tunnel excavation. A transparent soil surrogate representing the geotechnical behavior of soft clay was employed to explore spatial soil deformations within the soil mass near the tunnel. Shea...

This study investigates whether there is any spillover uncertainty regarding a rival firm’s future operations upon a focal firm’s announcement of cybersecurity breaches and whether the existence of a chief information officer (CIO) in rival firms can reduce this spillover uncertainty. Using abnormal trading volume to capture the change in investors...

Background Breast cancer (BCa) is a leading cause of mortality among women in Bangladesh. Many young women in Bangladesh have poor knowledge about breast cancer screening, including risk factors, warning signs/symptoms, diagnosis and early detection. We investigated awareness about breast cancer risk factors as a screening tool among women at the S...

Background

Purpose: The present study aimed to compare and analyze the sex-specific epidemiological, clinical characteristics, comorbidities, and other information of confirmed COVID-19 patients from the southeast region in Bangladesh for the first time. Methods: 385 lab-confirmed cases were studied out of a total of 2471 tested samples between June 5 and Sep...

Background PDE9A (Phosphodiesterase 9A) plays an important role in proliferation of cells, their differentiation and apoptosis via intracellular cGMP (cyclic guanosine monophosphate) signaling. The expression pattern of PDE9A is associated with diverse tumors and carcinomas. Therefore, PDE9A could be a prospective candidate as a therapeutic target...

Background In this research, an astute system has been developed by using machine learning and data mining approach to predict the risk level of cervical and ovarian cancer in association to stress. Results For functioning factors and subfactors, several machine learning models like Logistics Regression, Random Forest, AdaBoost, Naïve Bayes, Neura...

End 2019, the zoonotic severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), named COVID-19 for coronavirus disease 2019, is the third adaptation of a contagious virus following the severe acute respiratory syndrome coronavirus in 2002, SARS-CoV, and the Middle East respiratory syndrome virus in 2012, MERS-CoV. COVID-19 is highly infectious...

Dynamic cell culture materials that can change mechanical properties in response to extrinsic stimuli are emerging as promising tools for cell and tissue engineering research. However, most of these techniques involve a one‐way stiffening or softening through changes in the materials chemistry, which does not allow reversibility. Here we demonstrat...

Around 60% of water constitute the human body if about 2% of the body’s water content drop anyone dehydration must have a remarkable effect. Studies show that the loss of body water can break many aspects of brain function. About Eight 8-ounce (237-mL) glasses of water always consult by the physician for a sound person. But unfortunately, If this d...

In the past few decades, the number of tunnels constructed next to an existing tunnel has been gradually increasing in order to accommodate infrastructure needs in congested urban cities. When a new tunnel is constructed adjacent to an existing tunnel, both the relative position of the tunnels and the construction sequence affect the ground settlem...

Background: PDE9A (Phosphodiesterase 9A) plays an important role in proliferation of cells, their differentiation and apoptosis via intracellular cGMP (cyclic guanosine monophosphate) signaling. The expression pattern of PDE9A is associated with diverse tumors and carcinomas. Therefore, PDE9A could be a prospective candidate as a therapeutic target...

Streptomyces coelicolor is a gram-positive soil bacterium which is well known for the production of several antibiotics used in various biotechnological applications. But numerous proteins from its genome are considered hypothetical proteins. Therefore, the present study aimed to reveal the functions of a hypothetical protein from the genome of S....

Quantum-dot cellular automata (QCA) is one of the alternative nanotechnologies that empower nanoscale circuit models with high performance and minimal energy depletion features. In this study, design for a 5-input majority gate (MV5) is proposed. The reported design requires a smaller number of cells, lower time delay, less design cost, and area. T...

The study was conducted from January to April 2018 to estimate ecosystem carbon stock and tree species diversity at National Botanical Garden, Bangladesh. Transects line method square plots with a size of 20 m × 20 m were used. So altogether there were total eighty-three sample plots in National Botanical Garden. Above ground carbon (AGC) and below...

Background The literature on breast and cervical cancer treatment in Bangladesh is nonexistent. There are significant challenges to the development of infrastructure for cancer care in Bangladesh. Methodology: This cross-sectional study was conducted at Jahurul Islam Medical College and Hospital, Bangladesh. Among 685 participants of the survey, 37...

Background In developing countries global incidence of breast and cervical cancer is rising and the increase is occurring at a faster rate. Cancer is the sixth leading cause of death in Bangladesh. Objective: To investigate the awareness of early detection method, symptoms and risk factors towards breast and cervical cancer screening amongst young...

Cancer is a life-threatening disease which severely affects the people around the globe. There is a growing demand to secure a permanent cure to treat this nasty disease. The currently available techniques like chemotherapy are not feasible for their devastating post-treatment consequences and also not affordable to every person. Therefore, researc...

Purpose The purpose of the study is to explore the factors associated with the extent of security/cybersecurity audit by the internal audit function (IAF) of the firm. Specifically, the authors focused on whether IAF/CAE (certified audit executive [CAE]) characteristics, board involvement related to governance, role of the audit committee (or equi...

Plants are an important feature of urban ecosystems which provide numerous environmental and ecosystem benefits such as defenses against noise and air pollution and conservation of biodiversity. The aim of this study was to investigate the structure and composition of urban vegetation in different urban habitats like roadsides, parks, gardens and p...

Tropical agroforestry systems are considered to have a huge potential to sequester and store carbon (C) both in the aboveground biomass and the belowground biomass, as well as in soil. Compared to many other types of agroforestry systems homegardens are popular in the tropics and the sub tropics because they tend to sequester more C in soil than mo...

Homegarden systems are suggested to hold a large potential for carbon (C) sequestration, especially for climate change mitigation and adaptation under changing environment. This is due to the multifunctional ecosystem services of homegardes for saving and storing carbon. In this research total above and bellow ground carbon stock and tree species d...

This paper presents a fair and efficient rate control mechanism, referred to as congestion-aware fair rate control (CFRC), for IEEE 802.11s-based wireless mesh networks. Existing mechanisms usually concentrate on achieving fairness and achieve a poor throughput. This mainly happens due to the synchronous rate reduction of neighboring links or nodes...