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Sabrina Yesmin Barsha,Miah Md. Akiful Haque,Md Utba Rashid,Mohammad Lutfor Rahman,Mohammad Ali Hossain,Sanjana Zaman,Elias Bhuiyan,Rahima Sultana,Mosharop Hossian,Mohammad Hayatun Nabi,Mohammad Delwer 대한백신학회 2021 Clinical and Experimental Vaccine Research Vol.10 No.3
A 77-year-old man with a past medical history of type 2 diabetes mellitus, peripheral neuropathy, and chronic obstructive pulmonary disease was admitted to the intensive care unit of Bangladesh Medical College Hospital with acute encephalopathy and non-ST segment elevation myocardial infarction (NSTEMI). The patient was on antidiabetic medicine along with H2 blocker and multivitamins for his existing diseases. The patient’s attendant reported that the patient had received his first dose of the Moderna coronavirus disease 2019 (COVID-19) vaccine just 2 days ago. Physical examination revealed that he had a Glasgow Coma Scale of 8/15; a pulse of 106 beats/min; a respiratory rate of 30 breaths/min; oxygen saturation of 80% on room air, which became with 10 L of oxygen and blood pressure of 90/60 mm Hg at the time of admission. During the hospital stay, the patient was treated conservatively with intravenous antibiotics and other necessary medication. Although we have observed the onset of encephalopathy and NSTEMI following COVID vaccination for this patient, we, as healthcare professionals, cannot directly attribute the cause of the complications to the Moderna vaccine without further epidemiological studies with large samples.
Mohammad Ali Khalili,Fatemeh Sadeghian-Nodoushan,Farzaneh Fesahat,Seyed Mohsen Mir-Esmaeili,Morteza Anvari,Seyed Hossain Hekmati-moghadam 한국뇌신경과학회 2014 Experimental Neurobiology Vol.23 No.1
Subarachnoid hemorrhage (SAH) causes widespread disruption in the cerebral architecture.The process of SAH is complicated and many people lose their lives or become disabled after injury. Mesenchymal stem cells (MSCs) are considered as good candidate for repair of cerebral damage. The aim was to assess the ultrastructural changes in the rat cerebral tissue after intravenous transplantation of MSCs. Female Wistar rats (8 per group) weighing 275~300 g were assigned to control (SAH+PBS) and experimental groups (SAH+MSCs).The samples from middle cerebral arterial wall and parietal cerebral tissue were prepared for transmission electron microscopy (TEM) according to standard protocol. Fine architectures of the vessel wall, including the contraction of the inner layer, smooth muscle layer,as well as neural cells were observed after SAH. Cerebral arterial wall and cortex, including neuronal and glial cells were injured post SAH. But, administration of MSCs improved the structural integrity of cerebral tissues. Changes were much more balanced with their relative improvement in some areas. The role of MSCs for repairing the injured cerebral tissues post experimental SAH was approved by electron microscopy.
Ali Bumajdad,Mohammad Jakir Hossain Khan 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.102 No.-
In this work, disposable surgical face masks (SFMs) have been utilized as nitrogen (N)-doping agents forcarbon (C) adsorbents through thermal carbonization using K2CO3 as activators. A readily available wildplantbiomass (Cyperus papyrus, CP) was chosen as the raw material for manufacturing the adsorbent. A‘‘green-etching” process was employed to synthesize adsorbents with significant modifications and withoutusing of any chemicals. As observed via characterization analysis, upon mixing SFMs with CP at a 1:1weight ratio, there were considerable developments in the specific surface area (SBET = 830 m2/g) for bothmicro- (0.333 cm3/g) and mesopores (0.053 cm3/g) as well as diversified functional groups (e.g., aminoand carbonyl) on the sorbent that was produced. This is a key for the adsorbent’s ability in order toremove a variety of pollutants from aqueous solutions. The heavy metal (Cr(VI)) ion adsorption capacitywas used to identify the optimum adsorption parameters. Significantly lower amounts of Cr(VI) residueswere achieved at a concentration of 2 mg/L from an initial Cr(VI) concentration of 30 mg/L by applying anSFM-modified sorbent dose of 10 g/L. The outcomes of this research could be advantageous for decisionmaking in plastic waste management that surged during the COVID-19 pandemic.
Sheikh Mohammad Alif,Sejuty Haque,Naima Nimmi,Ali Ashraf,Saeed Hossain Khan,Mahfujul Haq Khan 대한영상치의학회 2011 Imaging Science in Dentistry Vol.41 No.4
Purpose : This study was performed to determine the prevalence of maxillary canine impaction on a basis of a single panoramic radiograph in Bangladeshi population. Materials and Methods : A random sample of seven hundred panoramic radiographs was collected from the patient record of a dental clinic. All the selected panoramic radiographs were taken from January 2009 to August 2010 by a single panoramic radiograph machine with the same exposure time (19 seconds) for all radiographs. One hundred and twenty panoramic radiographs were excluded to minimize the selection bias. In a dim lit room, an observer assessed the radiographs on a standard radiographic light box. The position of the impacted maxillary canine was recorded in line with the longitudinal axis of a tooth using the edge of a metal ruler. Data were subsequently put on SPSS 11.5 software and chi-square (χ^2) tests were applied to find out the association. Results : Among 580 panoramic radiographs it was found that impacted maxillary canines were present in only 7(1.2%) radiographs. A statistical significant difference was found between the age of the patients and the vertical position of the impacted canines (p=0.000) and between the age of the patients and the horizontal position of the impacted canines (p=0.003). Conclusion : The prevalence was found to be low compared with the present study from the limitation of panoramic image. Further study needs to include three-dimensional imaging modality.
Alif, Sheikh Mohammad,Haque, Sejuty,Nimmi, Naima,Ashraf, Ali,Khan, Saeed Hossain,Khan, Mahfujul Haq Korean Academy of Oral and Maxillofacial Radiology 2011 Imaging Science in Dentistry Vol.41 No.4
Purpose : This study was performed to determine the prevalence of maxillary canine impaction on a basis of a single panoramic radiograph in Bangladeshi population. Materials and Methods : A random sample of seven hundred panoramic radiographs was collected from the patient record of a dental clinic. All the selected panoramic radiographs were taken from January 2009 to August 2010 by a single panoramic radiograph machine with the same exposure time (19 seconds) for all radiographs. One hundred and twenty panoramic radiographs were excluded to minimize the selection bias. In a dim lit room, an observer assessed the radiographs on a standard radiographic light box. The position of the impacted maxillary canine was recorded in line with the longitudinal axis of a tooth using the edge of a metal ruler. Data were subsequently put on SPSS 11.5 software and chi-square (${\chi}^2$) tests were applied to find out the association. Results : Among 580 panoramic radiographs it was found that impacted maxillary canines were present in only 7 (1.2%) radiographs. A statistical significant difference was found between the age of the patients and the vertical position of the impacted canines (p=0.000) and between the age of the patients and the horizontal position of the impacted canines (p=0.003). Conclusion : The prevalence was found to be low compared with the present study from the limitation of panoramic image. Further study needs to include three-dimensional imaging modality.
Urmy Nushrat Jahan,Hossain Md. Mokbul,Shamim Abu Ahmed,Khan Md. Showkat Ali,Hanif Abu Abdullah Mohammad,Hasan Mehedi,Akter Fahmida,Mitra Dipak Kumar,Hossaine Moyazzam,Ullah Mohammad Aman,Sarker Samir 질병관리본부 2020 Osong Public Health and Research Persptectives Vol.11 No.6
Objectives To assess the prevalence of noncommunicable disease (NCD) risk factors and the factors associated with the coexistence of multiple risk factors (≥ 2 risk factors) among adolescent boys and girls in Bangladesh. Methods Data on selected NCD risk factors collected from face to face interviews of 4,907 boys and 4,865 girls in the national Nutrition Surveillance round 2018–2019, was used. Descriptive analysis and multivariable logistic regression were performed. Results The prevalence of insufficient fruit and vegetable intake, inadequate physical activity, tobacco use, and being overweight/obese was 90.72%, 29.03%, 4.57%, and 6.04%, respectively among boys; and 94.32%, 50.33%, 0.43%, and 8.03%, respectively among girls. Multiple risk factors were present among 34.87% of boys and 51.74% of girls. Younger age (p < 0.001), non-slum urban (p < 0.001) and slum residence (p < 0.001), higher paternal education (p = 0.001), and depression (p < 0.001) were associated with the coexistence of multiple risk factors in both boys and girls. Additionally, higher maternal education (p < 0.001) and richest wealth quintile (p = 0.023) were associated with the coexistence of multiple risk factors in girls. Conclusion The government should integrate specific services into the existing health and non-health programs which are aimed at reducing the burden of NCD risk factors.
Simultaneous feature selection and discretization based on mutual information
Sharmin, Sadia,Shoyaib, Mohammad,Ali, Amin Ahsan,Khan, Muhammad Asif Hossain,Chae, Oksam Elsevier 2019 Pattern recognition Vol.91 No.-
<P><B>Abstract</B></P> <P>Recently mutual information based feature selection criteria have gained popularity for their superior performances in different applications of pattern recognition and machine learning areas. However, these methods do not consider the correction while computing mutual information for finite samples. Again, finding appropriate discretization of features is often a necessary step prior to feature selection. However, existing researches rarely discuss both discretization and feature selection simultaneously. To solve these issues, Joint Bias corrected Mutual Information (JBMI) is firstly proposed in this paper for feature selection. Secondly, a framework namely modified discretization and feature selection based on mutual information is proposed that incorporates JBMI based feature selection and dynamic discretization, both of which use a <I>χ</I> <SUP>2</SUP> based searching method. Experimental results on thirty benchmark datasets show that in most of the cases, the proposed methods outperform the state-of-the-art methods.</P> <P><B>Highlights</B></P> <P> <UL> <LI> We address discretization and feature selection jointly with a single criteria. </LI> <LI> The proposed discretization method is dynamic and independent of classification algorithms. </LI> <LI> The amount of errors introduced for Relevancy, Redundancy and Complementary Information are derived analytically. </LI> <LI> It is also analytically shown that Relevancy, Redundancy and Complementary follows χ<SUP>2</SUP>-distribution. </LI> <LI> A χ<SUP>2</SUP>-based search is introduced to select a small set of features and to discretize them with small number of intervals. </LI> </UL> </P>
Md. Anamul Hoque,Md. Mofaqkharur Rahman,Shamim Mahbub,Mezbah Hossain,Mohammed Abdullah Khan,Md. Ruhul Amin,Ali S. Alqahtani,Mohammad Z. Ahmed,Mohammed S. Alqahtani,Omar M. Almarfadi 한국화학공학회 2021 Korean Journal of Chemical Engineering Vol.38 No.7
Surfactant is one of the most important chemical entities in drug formulation which can bind with drug molecules. Herein, the binding interaction of ciprofloxacin hydrochloride (CFH) drug with two different surfactants (sodium dodecyl sulfate (SDS) and Triton X-100 (TX-100)) has been investigated through UV-Visible spectroscopic and cloud point measurement techniques at different conditions. The absorption spectrum of CFH was found to be dependent on presence of additives/temperature change. The binding constant (Kb) of CFH+SDS/CFH+TX-100 was found to be increased primarily, reached a maximum value and then decreased with the increase of temperature, except in water medium (pH=2.0) and 30% (v/v) methanol. The Kb values for CFH+SDS were found to be higher in the aqueous medium than almost all medium studied herein, while better binding was observed in the alcoholic medium in the case of the CFH+TX-100 system. The Gibbs free energy of binding (Gb o) for both CFH+SDS and CFH+TX- 100 systems were attained negative in each case studied, inferring the spontaneous binding phenomenon. The cloud point (CP) value of CFH+TX-100 mixture was lessened in ZnSO4·7H2O solution and the CP values exhibited a gradual reduction through the upsurge of electrolyte concentration. The positive values of the Gibbs free energy of clouding indicated the nonspontaneous clouding phenomena. To disclose the interaction between drug and surfactant, other thermodynamic parameters, e.g., enthalpy (Hb o) and entropy (Sb o), different transfer energies as well as entropyenthalpy compensation parameters of binding/clouding were evaluated and clarified with proper explanation.