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Search Results: 1 - 10 of 405529 matches for " M Kamrujjaman 1 "
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Studies on the reconstitution properties of stored dried spotted spanish mackerel (Scomberomorus guttatus)
Shamima Prodhan 1* , M Kamrujjaman 1 , M Afzal Hossain 2 , M Samsul Islam2
International Journal of Biosciences , 2011,
Abstract: A study was carried out to compare and evaluate the percentage of reconstitution media (tap water, hot water, 5% NaCl and 5% Ca(OH)2) uptake of stored dried control, irradiated (1 kGy) and heat treated (50 °C) spotted spanish mackerel Scomberomorus guttatus at room temperature for 1, 4 and 24 dipping hours upto 180 days of storage period after each 30 days of intervals. Maximum media uptake found in 5% Ca(OH)2followed by 5% NaCl, hot water and tap water in all samples. The highest (121.81%) and lowest (4.07%) percentage of media uptake observed in Ca(OH)2 and tap water respectively from the irradiated fish sample. This study also reveals that percentage of media uptake depends on reconstitution medias and dipping hours significantly but not with the various samples.
Parents Perceived Quality of Life for Children with Cochlear Implants  [PDF]
Mursalin Molla, Nurvin Jahan Asha, Mohammad Kamrujjaman
International Journal of Otolaryngology and Head & Neck Surgery (IJOHNS) , 2019, DOI: 10.4236/ijohns.2019.81003
Abstract: The purpose of the study is to identify the important aspects of quality of life assessed in children with cochlear implant. Parental Perspective questionnaire with modified in Bangla was used as a data collection tool in this study. Data was collected through face to face interview with 25 parents of children with Cochlear Implant (CI) attended at Bangabandhu Sheikh Mujib Medical University, Dhaka. Among 25 cochlear implant children, the boys (12) and girls (13) were nearly the same. Results indicated that the majority of the children had difficulties with communication with known people (48.00%) and before implantation children with CI obtained no benefit at all from hearing aids (76.00%). However, the research finding shows that they are largely satisfied with the outcomes from implantation. Improvement of social relationship, family well-being, within the family, educational condition, and self-reliance was satisfactorily reported by the parents. This study would help the clinician, speech pathologist, children and parents to raise awareness about the impact of CI and its treatment.
Travelling Waves: Interplay of Low to High Reynolds Number and Tan-Cot Function Method to Solve Burger’s Equations  [PDF]
Md. Kamrujjaman, Asif Ahmed, Jahrul Alam
Journal of Applied Mathematics and Physics (JAMP) , 2019, DOI: 10.4236/jamp.2019.74058
Abstract: We study the nonlinear parabolic equations for travelling wave solutions of Burger’s equations. The purpose of the present work is to study various types of Burger’s equations describing waves and those are based on nonlinear equations. We focus on to describe the analytic solution in the special pattern of travelling wave solutions using tan-cot function method. We discuss about inviscid and viscous version of Burger’s equation for fluid flow and investigate the effects of internal friction of a fluid via Reynolds number. By changing the velocity amplitude, the nature of flows with shock wave and disturbance are observed. For numerical solutions, the Crank-Nicolson scheme is introduced to establish the wave solutions.
Correlation Of Aspiration Cytology Of Lymph node With Clinical Stage, Dermal And Lymph node Histopathology Of Leprosy
Hazra B,Saha S K,Gupta P N,Kamrujjaman M D
Indian Journal of Dermatology , 1998,
Abstract: The present study attempted to correlate, in leprosy, the clinical with dermal and lymphnode histopathologies and aspiration smear cytology from lymphnodes. The last procedure is easy, less traumatic and can be done in the outpatient department. The study revealed overall enlargement of lymphnode in 50% cases of leprosy, being 90.9% in TT: 33.33% in BT: 60% in BB: 83.33% in BL and 88.9% in LL cases. Histopathologies of skin and lymphnode corroborated totally in clinical TT & BT cases but this corroboration decreased as one moved down the spectrum, being 60.7% in BB: 60% in BL and 50% in LL (clinical versus dermal histopathology) and the figures were 66.7% in BB 80% in BL and75% in LL (clinical versus lymphnode histopathology). So it is apparent that towards tuberculoid end, histopathologies of skin and lymphnodes were reflected in clinical diagnosis. Towards lepromatous end, though skin histology sometimes lagged behind, lymphnode histology was more advanced and was often consistent with clinical diagnosis. The aspiration cytology corroborated more consistently with the clinical diagnosis than skin histopathology and almost similar to lymphnode histopathology. Cytology reflected immune status of the patients.
Structural Health Monitoring Using Distributed Macro-Strain Response
N.H.M. Kamrujjaman Serker,Z.S. Wu
Journal of Applied Sciences , 2009,
Abstract: In this study, a damage identification technique based on the distributed Macro-Strain (MS) response measurements is presented. The fundamental concept of the proposed technique is that the ratio of the strain measured at a target location and a reference location of a beam-like structure is constant for a given condition of the structure. The proposed damage identification technique was verified using the laboratory experimental results. In addition, noise was added to the measured response to simulate the real field condition. The proposed technique was able to identify damage in a noise-polluted environment. The proposed technique was also applied for the health monitoring of a highway bridge in Japan. Long-gage distributed sensors were deployed to collect the traffic induced strain responses. Results from the onsite experiment show the potentials of the proposed technique for practical application.
Growth Structural and Optical Properties of the Thermally Evaporated Tin Diselenide (SnSe2) Thin Films
R. Sachdeva1,,M. Sharma1,,A. Devi1,,U. Parihar1
Journal of Nano- and Electronic Physics , 2011,
Abstract: Tin diselenide (SnSe2) compound was prepared by melt-quenching technique from its constituent elements. The phase structure and composition of the chemical constituents present in the bulk has been determined using X-ray diffraction (XRD) and energy dispersion X-ray analysis (EDAX) respectively. SnSe2 thin films were grown using direct thermal evaporation of SnSe2 compound material on chemically cleaned glass substrate, which were held at different substrate temperatures. X-ray diffraction and Scanning Electron Microscopy (SEM) were used to examine structure and surface morphology of the films. The investigations show that the films grown above 150 °C are single phase and polycrystalline in nature. VIS-IR Spectra of the films were recorded in the wavelength range 380 nm to 1300 nm. The data has been analyzed to find optical parameters like absorption coefficient and energy bandgap.
In vitro antimicrobial and cytotoxicity screening of Terminalia arjuna ethanol extract
M Alam Morshed 1* , Azim Uddin 1 , Akhlaqur Rahman 1 , Tahrim Hasan 1 , Saurov Roy 1 , Abdullah Al Amin 1 , Rajibul Ahsan 1 , Rezuanul Islam2
International Journal of Biosciences , 2011,
Abstract: The present study was carried out to evaluate the antibacterial and cytotoxic activity of 50% ethanol extract of bark from Terminalia arjuna on selected four Gram positive and eight Gram negative bacterial strains. The bark extract of Terminalia arjuna showed potential antimicrobial activities against all of the selected strains of microorganisms and the greatest activity was observed against Shigella dysenteriae. For antimicrobial test, Disc diffusion technique was used and the zone of inhibition of microorganisms was measured in mm. In vitro cytotoxicity test was also studied by Brine Shrimp Lethality Bioassay and results illustrated significant (p<0.05) cytotoxicity against A. salina, that were expressed as LC50. Terminalia arjunaethanol extract showed brine shrimp cytotoxicity with lethal concentration 50 (LC50) value of 50.11 μg/ml.
Journal of Sustainability Science and Management , 2008,
Abstract: Essential oils from the leaves of Beackea frutescens were extracted by using three hydrodistillation methods, the Dean-Stark (DS), Clavenger (C) and simultaneous steam distillation extraction (SSDE). The yield of essential oils for each method was 0.32 %, 0.40% and 0.83%, respectively. The essential oils were examined using gas chromatogram and gas chromatography-mass spectrometry. Twenty constituent of the essential oils were identified. The major compounds were terpinolene (22.33%), t- -bisabolene (10.12%), -cymene (9.85%), linalool (7.32%) and t-caryophyllene (6.06%), -bergamotene (2.42%), nerolidol (1.35%). The pure essential oils obtained and four emulsion samples which contained 0.2-0.5% of the essential oils shown antibacterial activity against Staphylococcus aureus. The inhibition zones were 10.5 -17.0 mm. The inhibition zone exhibited by the emulsion samples varied dependent on the percentage of the essential oil used.
"A New Protocol for Isolation and Purification of Transferrin from Human Serum"
Arefanian1,M Djalali
Iranian Journal of Public Health , 2002,
Abstract: Transferrin acts as a vehicle for iron transportation between the absorption, storage and utilization sites in the body and, besides iron, its two highaffinity iron-binding site are capable of binding to 29 other elements. In physiological and pathophysiological conditions, transferrin’s properties are different and close attention to these properties is required. For further investigation for the above properties, it is necessary to have this protein in highly pure state.The purpose of this research was to isolate and purify the human transferrin from serum with native properties and high purity. The results of this research lead to a protocol for the isolation and purification of human transferrin which is cost-effective and time saving to produce antitransferrin antibody for immunological kits.
Concentración de nutrientes en hojas de diferente estado de desarrollo en arándano
RIA : Revista de Investigaciones Agropecuarias , 2012,
Abstract: Es muy importante a la hora de realizar diagnóstico nutricional definir el momento y el órgano adecuado de muestreo para evitar posibles errores en la toma de decisiones. Existe poca información acerca de la composición mineral de las variedades presentes en las zonas productoras del cultivo de arándanos en Argentina.El objetivo de este trabajo consistió en determinar la concentración de nutrientes en hojas de dos edades en las variedades comerciales de arándano difundidas. El muestreo se realizó en 2008 en arándano southern highbush (Vaccinium corymbosum L. var Misty, Jewel y Emerald) en quintas comerciales ubicadas en Concordia, provincia de Entre Ríos, Argentina. Se recolectaron hojas totalmente expandidas, sin da os ni lesiones desde los 70 a 90 días después de plena floración (Plena flor: 15/08/2008) en dos edades de hoja (hoja con fruta formada el a o anterior y hoja sin fruta del a o en curso). Se realizaron las determinaciones de la concentración (g nutriente/100g MS) de N, P, K, Ca y Mg foliar. Los datos se sometieron a ANOVA, se tomó variedad y edad de hoja como factores fijos y concentración del nutriente como variable dependiente. La concentración de Mg dependió de la variedad, Misty presentó la mayor concentración de este nutriente con 0.30% Mg foliar, Emerald presentó 0.24 % y Jewel la menor concentración de 0.16 %Mg (p= 0.008). Hojas demayor edad presentaron mayor concentración de Mg (p=0.009). Es necesario considerar estas diferencias ala hora de realizar diagnósticos nutricionales.
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