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All Journal Mechatronics, Electrical Power, and Vehicular Technology EMITTER International Journal of Engineering Technology International Journal of Nursing and Health Services (IJNHS) Nursing and Health Sciences Journal (NHSJ) Vision Science and Eye Health Journal Journal of Fibers and Polymer Composites
Hasan, Md Mahmudul
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Biochemistry, Genetics & Molecular Biology Computer Science & IT Dentistry Electrical & Electronics Engineering Health Professions Materials Science & Nanotechnology Medicine & Pharmacology Nursing Public Health Social Sciences

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Identifying key barriers to electric vehicle adoption in Bangladesh: Insights from a survey Hasan, Md Mahmudul; Islam, Ashraful; Islam, Md Nahidul; Ashikujjaman, Md; Hossain, Md Amzad
Journal of Mechatronics, Electrical Power, and Vehicular Technology Vol 15, No 2 (2024)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/j.mev.2024.891

Abstract

Electric vehicles (EVs) are emerging as a promising solution for reducing greenhouse gas emissions and mitigating environmental damage caused by traditional automobiles. This study examines the barriers to EV adoption in Bangladesh by focusing on various impediments, including technological, infrastructural, financial, behavioral, and external factors. Based on a survey of 111 individuals with substantial knowledge of EVs, this study explores the challenges impeding EV deployment, providing a deeper understanding of the factors that limit their widespread adoption. This research highlights that key obstacles include battery life limitations, inadequate infrastructure, high costs, and long charging durations. By assessing and prioritizing these barriers, the study offers valuable insights for administrators and policymakers to allocate resources effectively and address the most critical issues. The findings underscore the complex, multidimensional nature of EV adoption challenges in Bangladesh and provide actionable recommendations for enhancing decision-making and developing targeted policies to promote the adoption of EVs.
Bestow Pre-Garments Waste Second Life by Converting into a Composite Hossain, Sajid; Ahtasum, Nafis; Hasan, MD Mahmudul; Jahan, Nusrat; Jim, Monjur E Mowla; Roy, Krishno; Jakaria, Md
Journal of Fibers and Polymer Composites Vol. 3 No. 2 (2024): Journal of Fibers and Polymer Composites
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jfpc.v3i2.212

Abstract

The pre garments waste consisting of offcuts, trimmings, rejected materials are generated from the garments industry is growing concern nowadays. The recent trend of sustainability practice finds a way to convert this garment waste into composite materials by giving second life. The composites material from garment waste has proven that it is while effective alternative of conventional wood-based materials through the series of mechanical property analysis. The reinforcing garments waste with the help of virgin polypropylene matrix symbolizes the composite material. The amount of fiber reinforcement material and matrix used affects the mechanical and physical characteristics of the composite samples made from textile waste, including tensile strength, elongation, density, and water absorption. The waste-based composite panel board displayed a maximum strength of 31.6 N/mm2, with 40% of its volume taken up by fiber reinforcement components and 60% volume by the matrix. The present study demonstrate that the mechanical and physical characteristics of waste-based composite panel boards are comparable to those of current oriented strand boards and commercial plywood. This waste base composite board can be used for false ceilings, hardboard, wall covering, and fashion purposes also. The results of this study can significantly reduce environmental pollution and offer a practical method for recycling garments waste.
Development of DOAS System for Hazardous Methane Detection in the Near-Infrared Region Khandaker, Sayma; Hasan, Md Mahmudul; Shaipuzaman, Nurulain; Aspar, Mohd Amir Shahlan Mohd; Manap, Hadi
EMITTER International Journal of Engineering Technology Vol 12 No 2 (2024)
Publisher : Politeknik Elektronika Negeri Surabaya (PENS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24003/emitter.v12i2.890

Abstract

Methane (CH4) is a powerful greenhouse gas that greatly contributes to global warming. It is also very combustible, which means it has a large danger of causing explosions. It is crucial to tackle methane emissions, especially those arising from oil and gas extraction processes like transit pipes. An area of great potential is the advancement of dependable sensors for the detection and reduction of methane leaks, with the aim of averting dangerous consequences. An open-path differential optical absorption spectroscopy (DOAS) system was described in this paper for the purpose of detecting CH4 gas emission at a moderate temperature. An in-depth examination of the absorption lines was conducted to determine the optimal wavelength for measurement. The Near Infrared (NIR) region was identified as the most suitable wavelength for detecting methane. Multiple measurements were conducted at different integration times (1 second, 2 seconds, and 3 seconds) to ensure reliability and determine the optimal integration time for the CH4 detection system. The DOAS system has the capability of precisely detecting methane concentrations at 1M ppm in the NIR region with a quick integration time of 2 seconds.
Mothers’ Perception about Immunization of Children in Bangladesh Hasan, Md Mahmudul; Gharami, Tumpa; Akter, Halima
International Journal of Nursing and Health Services (IJNHS) Vol. 8 No. 1 (2025): International Journal of Nursing and Health Services (IJHNS)
Publisher : Alta Dharma Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35654/ijnhs.v8i1.852

Abstract

Background: Immunization is an essential public health strategy to prevent childhood diseases and enhance community health. The effectiveness of immunization programs, however, relies heavily on the acceptance and compliance of parents, particularly mothers. This study aimed to evaluate mothers' perceptions of child immunization in rural areas of Bangladesh. Methods: A cross-sectional study was conducted at the EPI center of Sher-e-Bangla Medical College Hospital in Barishal, involving 112 participants selected through convenience sampling. Data were collected via structured face-to-face interviews, utilizing a questionnaire with two sections: one on socio-demographic details and the other on mothers’ perceptions of immunization. The data were analyzed using SPSS version 26, employing descriptive statistics to summarize participant characteristics and perceptions, and inferential statistics to assess relationships among variables. Results: The average age of participants was 29.29 years (SD = 6.92). A significant positive association was observed between participants' age and their perception of immunization (r = -0.190, p = 0.045). Additionally, residential area was significantly related to immunization perception (t = -2.115, p = 0.037), and the information source also had a significant effect on perception (F = -2.115, p = 0.021). Conclusion: The study findings indicate that perceptions of immunization are significantly associated with certain demographic factors. These results highlight the need for targeted educational efforts and community-based initiatives to counter misinformation and increase awareness. The insights gained can aid policymakers, healthcare providers, and public health professionals in improving immunization rates and safeguarding the health of future generations in Bangladesh
A Cross-Sectional Study of the Prevalence of Keratoconus in Patients with Astigmatism More than Two Diopters Sama, Zinatus; Afroz, Tamanna; Hamid, Salman Ahmed T.; Abdulmajeed, Saeema M.; Chowdhury, Imtiaj Hossain; Hasan, Md Mahmudul
Vision Science and Eye Health Journal Vol. 4 No. 2 (2025): Vision Science and Eye Health Journal
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/vsehj.v4i2.2025.34-41

Abstract

Introduction: Patients with astigmatism, especially those with more than two diopters, appear to have keratoconus as a co-morbidity. Understanding the coexistence of these two diseases may aid in these patients' early detection and management. Purpose: The purpose of the present study was to establish the rate of keratoconus among the patients with >2D astigmatism in Bangladesh. Methods: 80 astigmatic patients >2D among the age group 10-45 years old participated in this cross-sectional study between May and August 2024 at Noor Makka and Makka Eye Hospitals, Dhaka, Bangladesh. Keratoconus and subclinical cases were identified by using corneal topography, slit lamp, and corneal asymmetry, along with general visual evaluation by an ophthalmology consultant. Statistical package for the social sciences (SPSS) software was used as the data analysis tool. Results: This study analyzed the socio-demographic information and the eye characteristics of people with astigmatism. Out of 80 studied participants, keratoconus appeared in 65%, mainly from the age group 17-30 (56.25%). Among the study participants, males and females were 47.50% and 52.50%, respectively. The average astigmatism level was recorded at 4.697 diopters. The research established a significant statistical correlation between Keratoconus diagnosis and corneal biomicroscopy (p = .001) and corneal topography (p = .000), where most of the keratoconus patients showed thinning patterns in their stromal structure. The research also established a connection between age and gender to keratoconus. Conclusions: This cross-sectional study revealed a high prevalence of diagnosed keratoconus among astigmatic patients, particularly affecting younger individuals.
Lived Experience in Lifestyle Modification of Patients with Old Myocardial Infarction at the University Hospital in Bangladesh Akter, Mst. Monni; Anowar, Md. Nurul; Akter, Jotsna; Khatun, Fahima; Hasan, Md Mahmudul
Nursing and Health Sciences Journal (NHSJ) Vol. 3 No. 4 (2023): December 2023
Publisher : KHD-Production

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53713/nhsj.v3i4.276

Abstract

Realizing the advantages of lifestyle modification after myocardial infarction (MI) requires active lifestyle change. Sometimes patients find it difficult to follow the recommendations for lifestyle changes, which are crucial for all MI patients to implement in order to lower the risk of secondary attack. This study aimed to explore the real-world experiences of post-MI patients who had changed their lifestyles at a university hospital. This qualitative study was conducted among 20 purposively selected post-MI patients. The patients who had confirmed medical diagnosis as old MI, had been admitted to Bangabandhu Sheikh Mujib Medical University Hospital for more than a week, and had been willing to participate in this study were considered as the study subjects. Data was collected through an open ended semi-structured questionnaire by face-to-face interview. Using qualitative content analysis, the interview transcripts were examined at the same time as the data was being gathered. Out of 20 study subjects, 55% were male and 60% were Muslim. Participants age was ranging from 36-70 years. Two themes, namely adjustment with modified life and maladjustment with normal life emerged as the lived experiences of lifestyle modification of patients with old Myocardial Infarction. It is concluded that patients with post-MI can have both good and bad experiences during the period of lifestyle modification.
Co-Authors Abdulmajeed, Saeema M. Afroz, Tamanna Ahtasum, Nafis Akter, Halima Akter, Jotsna Akter, Mst. Monni Anowar, Md. Nurul Ashikujjaman, Md Aspar, Mohd Amir Shahlan Mohd Chowdhury, Imtiaj Hossain Gharami, Tumpa Hamid, Salman Ahmed T. Hossain, Md Amzad Hossain, Sajid Islam, Ashraful Islam, Md Nahidul Jahan, Nusrat Jakaria, Md Jim, Monjur E Mowla Khandaker, Sayma Khatun, Fahima Manap, Hadi Roy, Krishno Sama, Zinatus Shaipuzaman, Nurulain