Autor: Islam, M.S. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Responses of maize varieties to salt stress in relation to germination and seedling growth
Autorzy:: Hassan, N.
Hasan, Md.K.
Shaddam, Md.O.
Islam, M.S.
Barutcular, C.
EL Sabagh, A.
Powiązania:: https://bibliotekanauki.pl/articles/11757.pdf
Data publikacji:: 2018
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Źródło:: International Letters of Natural Sciences; 2018, 69
2300-9675
Pojawia się w:: International Letters of Natural Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Antibacterial Activities of Some Transition Metal Schiff Base Complexes
Autorzy:: Islam, M.N.
Shahriar, S.M.S.
Islam, M.K.
Jesmin, M.
Ali, M.M.
Khanam, J.A.
Powiązania:: https://bibliotekanauki.pl/articles/411780.pdf
Data publikacji:: 2013
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: antibacterial activity
Schiff base transition metal complexes
minimum inhibitory concentration
Brine shrimp lethality
Opis:: A new series of four transition metal complexes of a Schiff base derived from salicylaldehyde and glycine, viz. [N-salicylidene glycinato diaqua cobalt (II) dimer] (SGCo)2, [N- salicylideneglycinato-di-aqua-nickel(ll)dimer] (SGN)2, [N-salicylideneglycinato-aqua-copper(II)] (SGC) and [N-salicylidene glycinato diaqua zinc(II) dimer] (SGZ)2 have been synthesized and characterized through a rapid, simple, and efficient methodology in excellent yield. These compounds were screened for in vitro antibacterial activities against six pathogenic bacteria, such as Shigella sonnei, Escherichia coli, Bacilus subtilis, Sarcina lutea, Staphylococcus aureus and Pseudomonas arioginosa. The antibacterial activity was determined by the disc diffusion method using DMSO as solvent. The results indicate that (SGC) compound exhibit a significant antibacterial activity, depending on the bacterial strain and (SGCo)2, (SGN)2 and (SGZ)2 compounds show a moderate sensitivity even with higher doses. All these compounds were found to possess cytotoxic effect.
Źródło:: International Letters of Chemistry, Physics and Astronomy; 2013, 5; 12-20
2299-3843
Pojawia się w:: International Letters of Chemistry, Physics and Astronomy
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Analgesic and anti-inflammatory activities of some transition metal schiff base complexes
Autorzy:: Jesmin, M.
Islam, M. K.
Ali, S. M. M.
Powiązania:: https://bibliotekanauki.pl/articles/411762.pdf
Data publikacji:: 2014
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: Analgesic activity
Anti-inflammatory activity
Schiff bases complexes
Writhing test
Opis:: Analgesic and anti-inflammatory activities of four transition metal complexes of a Schiff base derived from salicylaldehyde and glycine, viz. [N-salicylideneglycinato diaqua cobalt(II) dimer] (SGCo)2, [N-salicylideneglycinato-di-aqua-nickel(ll)dimer] (SGN)2, [N-salicylideneglycinato-aqua-copper(II)] (SGC) and [N-salicylideneglycinato diaqua zinc(II) dimer] (SGZ)2 were studied in swiss albino mice. 10 mg/kg (p.o) dose for each compound were selected throughout the research work. The analgesic activity was determined by acetic acid induced writhing and tail immersion methods. All such data were compared with standard drugs at the dose of 10 mg/kg (p.o. The anti-inflammatory activity of the test compounds was determined by the carragenan induced mice paw edema inhibition method.). Analgesic and anti-inflammatory activities of the test compounds at 10 mg/kg (p.o.) were quite comparable to those of standard drugs at 10 mg/kg (p.o.). All these compounds can be considered as potent analgesic and anti-inflammatory agents.
Źródło:: International Letters of Chemistry, Physics and Astronomy; 2014, 8; 64-72
2299-3843
Pojawia się w:: International Letters of Chemistry, Physics and Astronomy
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Heat Conduction Analysis of a Hollow Sphere made of Three Different Layers of Materials
Autorzy:: Khan, S. M. Khaled
Islam, Md. Mashrur
Powiązania:: https://bibliotekanauki.pl/articles/1062861.pdf
Data publikacji:: 2019
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: Heat transfer
Material Science
Naiver-Strokes
Spherical Contour
Opis:: A systematic arrangement has been gotten for the transient issue of three-dimensional multilayer heat conduction in a circle with layers in the spiral course. The arrangement strategy can be connected to an empty circle or a strong circle made out of a few layers of different materials. By and large, the partition of factors connected to 3D round directions has interesting attributes because of the nearness of related Legendre works as the eigenfunctions. Additionally, an eigenvalue issues the azimuthal way likewise requires arrangement; once more, its properties are one of a kind inferable from periodicity the azimuthal way. In this way, broadening existing arrangements in 2D round directions to 3D circular directions isn't clear. In a round facilitate framework, one can explain a 3D transient multilayer heat conduction issue without the nearness of fanciful eigenvalues. A 2D tube shaped polar facilitate framework is the main other case in which such multidimensional issues can be tackled without the utilization of nonexistent eigenvalues. The nonappearance of nonexistent eigenvalues renders the arrangement philosophy fundamentally increasingly valuable for pragmatic applications. The strategy portrayed can be utilized for all the three kinds of limit conditions in the external and inward surfaces of the circle. The arrangement method is shown on an illustrative issue for which results are gotten.
Źródło:: World Scientific News; 2019, 127, 3; 248-259
2392-2192
Pojawia się w:: World Scientific News
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Significant Influence of Annealing Temperature and Thickness of Electrode on Energy Conversion Efficiency of Dye Sensitized Solar Cell: Effect of Catalyst
Autorzy:: Uddin, J.
Islam, J. M. M.
Khan, S. M. M.
Hoque, E.
Khan, M. A.
Powiązania:: https://bibliotekanauki.pl/articles/412298.pdf
Data publikacji:: 2014
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: Dye Sensitized Solar Cell
sensitizer
catalyst
annealing temperature
thickness
Opis:: Dye sensitized solar cell (DSSC) shows great promise as an alternative to conventional p-n junction solar cells due to their low fabrication cost and reasonably high efficiency. DSSC was assembled by using natural dye extracted from red amaranth (Amaranthus Gangeticus) as a sensitizer and different catalysts for counter electrode were applied for maximum energy conversion efficiency. Annealing temperature and thickness of electrode were also investigated and optimized. Catalyst, annealing temperature and thickness were optimized by the determination of cell performance considering photoelectrochemical output and measuring current and voltage; then calculating efficiency and other electrical parameters. The experimental results indicated that samples having 40 μm electrode thickness and prepared at 450 ^o C annealing temperature showed the best performance.
Źródło:: International Letters of Chemistry, Physics and Astronomy; 2014, 20, 1; 78-87
2299-3843
Pojawia się w:: International Letters of Chemistry, Physics and Astronomy
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Gamma radiation treated chitosan solution for strawberry preservation: Physico-chemical properties and sensory evaluation
Autorzy:: Jesmin, S.
Al-Jubayer, A.
bin Eusuf, S.
Kamal, A.H.M.
Islam, J.M.M.
Ferdoush, F.
Kabir, S.E.
Khan, M.A.
Powiązania:: https://bibliotekanauki.pl/articles/11054.pdf
Data publikacji:: 2016
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Źródło:: International Letters of Natural Sciences; 2016, 60
2300-9675
Pojawia się w:: International Letters of Natural Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Thermal Properties of Carbon Nanotube (CNT) Reinforced Polyvinyl Alcohol (PVA) Composites
Autorzy:: Hasan, M.
Das, S. K.
Islam, J. M. M.
Gafur, Md. A.
Hoque, E
Khan, M. A.
Powiązania:: https://bibliotekanauki.pl/articles/411675.pdf
Data publikacji:: 2013
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: CNT
PVA
composite
Thermal properties
Gum acacia
Opis:: Homogeneous Polyvinyl alcohol (PVA)/Carbon nanotube (CNT) composite has been prepared by solution casting method using gum acacia as a surfactant. CNT content in the composite was varied from 5-10 % by weight. The thermal properties of PVA/CNT composites were investigated by Thermo Gravimetric/Differential Thermal Analyzer (TG/DTA) and Thermo Mechanical Analyzer (TMA). TG/DTA results showed that higher thermal stability in higher percentage of CNT in the composites. The 10 % CNT containing PVA composite exhibit highest onset of melting, glass transition point and offset of melting temperature and the recoded values are 330.4K, 379K and 421.3K respectively. All of the result indicates that the developed PVA/CNT composite might be promising for use in solar cell application.
Źródło:: International Letters of Chemistry, Physics and Astronomy; 2013, 12; 59-66
2299-3843
Pojawia się w:: International Letters of Chemistry, Physics and Astronomy
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Development of Electrically Conductive Nanocrystalline Thin Film for Optoelectronic Applications
Autorzy:: Das, S K.
Islam, J. M. M.
Hasan, M.
Kabir, H.
Gafur, Md. A.
Hoque, E.
Khan, M. A.
Powiązania:: https://bibliotekanauki.pl/articles/412543.pdf
Data publikacji:: 2013
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: Conductive thin film
Composite
TiO2
Solar cell
Optoelectronics
Sodium alginate
Opis:: Sodium alginate (TiO2) sand composites were prepared by solution casting. Purified sand was added in the composite films to increase electrical conductivity. Electrical properties such as conductivity, capacitance, dielectric constant, and loss tangent of the composites were investigated. The current voltage characteristics for all the composites showed ohmic behavior. All the electrical properties have been found to improve with the incorporation of sand (SiO2) but 6 % sand containing composite exhibits the best electrical properties. The mechanical properties tensile strength (TS), elongation at break (Eb) and Young modulus for 6 % sand containing composite film are found to be 4.445 MPa, 9.76 %, and 72.8 MPa respectively. The experimental results reveal that the blended films exhibit higher stability and improved mechanical properties of both tensile strength and elongation at break in dry state. Water absorption properties of the composites are found to decrease with the increase of sand content. Lowest water uptake properties and highest stability were demonstrated by 6 % sand containing sample. Electrically conductive composite films have useful applications for solar cells and optoelectronics. Thus, this study is very much expected to aid in the design and selection of proper composite for the potential application of solar cell and optoelectronics.
Źródło:: International Letters of Chemistry, Physics and Astronomy; 2013, 10, 1; 90-101
2299-3843
Pojawia się w:: International Letters of Chemistry, Physics and Astronomy
Dostawca treści:: Biblioteka Nauki

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