Hamidur Rahman, Md. Rakib Hossain, Tahmina Ferdous
In this review article, we have presented a detailed analysis of the recent advancement of quantum mechanical calculations in the applications of the low-dimensional nanomaterials (LDNs) into biomedical fields like biosensors and drug delivery systems development. Biosensors play an essential role f...
Md. Rakib Hossain, Md. Mehade Hasan, Noor–E- Ashrafi, Hamidur Rahman et al.
In this present study, we have theoretically scrutinized the interaction mechanism of Metronidazole drug on the surface of graphene, boron carbide and boron nitride nanosheets in gas and aqueous phase applying density functional theory with B3LYP/6-31G method to sort a path for minimizing the advers...
Md Quamrul Ahsan, Abdul Hasib Chowdhury, Shakeel Ahmed, Imamul Hassan Bhuyan et al.
Abnormal condition in a power system generally leads to a fall in system frequency, and it leads to system blackout in an extreme condition. This paper presents a technique to develop an auto load shedding and islanding scheme for a power system to prevent blackout and to stabilize the system under ...
Md. Hamidur Rahman, Md Hedaetul Islam, Meher Nigar Neema
Compact development is broadly professed for making significant contributions to achieve sustainable growth of cities. Therefore, evaluation of the existing compactness of urban areas is crucial for guiding future urban development. Previous studies measured urban areas' compactness at a city or met...
Chinmoy Biswas, Sadia Sarmin Soma, Md Fazle Rohani, Md. Hamidur Rahman et al.
and its concomitant human health risks upon consumption. A total of 147 farms from six sub-districts of Khulna were selected for sample collection and concentration of heavy metals were determined by Atomic Absorption Spectrometry (AAS) method, following electro-thermal heater digestion. Ni and Cr w...
Fajle Rabbi Ashik, Md. Hamidur Rahman, Anzhelika Antipova, Niaz Mahmud Zafri
It is critical to understand the elements that influence CO2 emissions from commuting to establish low-carbon transportation and land-use regulations. Research attempted to determine the mechanisms by which the built environment (BE) influences commuting-related CO2 emissions. Most research was cond...
Fajle Rabbi Ashik, Md. Hamidur Rahman, Md. Kamruzzaman
Md. Rashidul Islam, Chakraborty Ak, M. A. Gafur, Md. Aminur Rahman et al.
Fajle Rabbi Ashik, A.I.Z. Sreezon, Md. Hamidur Rahman, Niaz Mahmud Zafri et al.
In this study, we aimed to investigate the influence of the built environment (BE) on commuter mode choice using machine learning models in a dense megacity context. We collected 10,150 home-based commuting trips data from Dhaka, Bangladesh. We then utilized three machine learning classifiers to det...
Md. Hamidur Rahman, Niaz Mahmud Zafri, Fajle Rabbi Ashik, Md Waliullah et al.
BackgroundCOVID-19 pandemic outbreak is an unprecedented shock throughout the world, which has generated a massive social, human, and economic crisis. Identification of risk factors is crucial to prevent the COVID-19 spread by taking appropriate countermeasures effectively. Therefore, this study aim...
Md. Hamidur Rahman, Magne Bråtveit, Bente E. Moen
Personal exposures to ammonia and acute respiratory effects were determined in workers at a urea fertilizer factory in Bangladesh. Full-shift personal exposure to ammonia was measured using a PAC III direct reading instrument and Drager diffusion tubes. Respiratory symptoms were elicited by a questi...
S.M. Ashrafur Rahman, I.M. Rizwanul Fattah, Hwai Chyuan Ong, Fajle Rabbi Ashik et al.
Air pollution caused by vehicle emissions has raised serious public health concerns. Vehicle emissions generally depend on many factors, such as the nature of the vehicle, driving style, traffic conditions, emission control technologies, and operational conditions. Concerns about the certification c...
Md. Hamidur Rahman, Niaz Mahmud Zafri, Tamanna Akter, Shahrior Pervaz
Dhaka, the capital and megacity of the developing country Bangladesh, has experienced a sharp rise in motorcycle users in the last decade, especially after the introduction of ridesharing services. Therefore, the morbidity and mortality rates of motorcycle crash injuries have also increased and beco...
Md. Hamidur Rahman, Fajle Rabbi Ashik, Mamata Jafrin Mouli
Transit-oriented development (TOD) is credited with improving urban residents’ quality of life (QoL) and social sustainability by ensuring adequate and convenient spatial access to urban facilities. However, there is insufficient empirical evidence to suggest that TOD is likely to ensure spatial acc...
Md. Hamidur Rahman, Fajle Rabbi Ashik
Abstract Being one of the densely populated cities of the world, city dwellers of Dhaka have to face severe traffic congestion daily while commuting for different purposes. According to the World Bank report, Dhaka is losing around 3.2 billion working hours daily as the current average driving speed...
Md. Hamidur Rahman, Muhammad Shahidul Islam
Flexibility is understood as the range of motion of a joint. Specifically, structured stretching exercises are used to improve flexibility. Exercising stretching is commonly practiced before any athletic activity takes place. To avoid sport injury, the range of motion is maintained, and muscle stren...
Muhammad Usman Iqbal, H.U. Rashid, Subhash Banerjee, Md. Hamidur Rahman et al.
Introduction This study was undertaken to observe changes in cardiac parameters along with clinical and laboratory changes after renal transplantation. Patients and methods Cardiac parameters were evaluated by M-mode 2-dimensional echocardiography before transplantation and at monthly intervals. All...
Ashraf Uddin Ahmed, Taslim Uddin Ahmed, Md Sultan Uddin, Md. Shahidur Rahman Chowdhury et al.
Objects: A hospital based descriptive study was carried out among under-5 children suffering from severe protein-energy-malnutrition (PEM) Methodology: This was a descriptive analytical study conducted during June 2002 to May 2003 in three purposively selected hospitals of Dhaka city, Bangladesh. Re...
Md Azazul Haque, Md. Abdul Karim Miah, Shorab Hossain, M. Hamidur Rahman
Abstract Increased temperature of photovoltaic (PV) module decreases its performance; hence, integration of the cooling system is imperative in minimizing this detrimental effect. In this study, passive cooling of PV module with different heatsinks has been simulated by thermal models using ansys st...
MM Rahman, Amanullah, Humayun Sattar, Md. Hamidur Rahman et al.
A cross-sectional study was conducted in a randomly selected village of Rangpur district from June '94 to May '95. Serum from 1000 human subjects irrespective of age and sex were screened for hepatitis B surface antigen (HBsAg). Among the respondents 661 were male and 339 female. The overall seropre...