Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Abdulla Al Masum"'
Publikováno v:
Crossings, Vol 14 (2023)
This study investigated the role of durational and spectral cues in second language tense and lax vowel contrasts produced by non-native speakers. To test previous claims that speakers primarily rely on durational cues over spectral cues to distingui
Externí odkaz:
https://doaj.org/article/2dbef01339be4d14b7483f3337af3488
Autor:
Tripti Mandal, Sudipta Pathak, Arka Dey, Md. Maidul Islam, Saikat Kumar Seth, Abdulla Al Masum, Joaquín Ortega-Castro, Partha Pratim Ray, Antonio Frontera, Subrata Mukhopadhyay
Publikováno v:
ACS Omega, Vol 4, Iss 4, Pp 7200-7212 (2019)
Externí odkaz:
https://doaj.org/article/c32e88050e93463191ef65a45493969b
Publikováno v:
Educational Administration: Theory & Practice; 2024, Vol. 30 Issue 7, p1068-1075, 8p
Autor:
Abdulla Al Masum, Subrata Mukhopadhyay, Joaquín Ortega-Castro, Tripti Mandal, Antonio Frontera, Saikat Kumar Seth, Md. Maidul Islam, Partha Pratim Ray, Arka Dey, Sudipta Pathak
Publikováno v:
ACS Omega, Vol 4, Iss 4, Pp 7200-7212 (2019)
ACS Omega
ACS Omega
Described in this work is the synthesis of a novel dicyano-substituted N-2-aminoethyl-4-(3-pyridinyl)-2-pyridone organic compound (1) that is characterized by several spectroscopic methods. Compound (1) was utilized for the preparation of its perchlo
Elucidating the chemical and biochemical applications of Citrus sinensis-mediated silver nanocrystal
Autor:
Subrata Mukhopadhyay, Sukhendu Mandal, Md. Raihan Uddin, Nurunnesa Siddiqui, Md. Maidul Islam, Mohana Sengupta, Abdulla Al Masum
Publikováno v:
Journal of Biomolecular Structure and Dynamics. 37:4863-4874
Synthesis of nanoparticles using biodegradable source is safer and echo-friendly. Here, we describe the synthesis of polycrystalline silver nanocrystals using Citrus sinensis acting as both...
Publikováno v:
New Journal of Chemistry. 43:3513-3519
We successfully designed and developed a rhodamine based “turn-on” chemosensor L for the detection of Pd2+ ions down to 1.19 × 10−5 M (11.9 μM). In organo-aqueous solution, probe L displayed highly selective and sensitive colorimetric and flu
Publikováno v:
TAJ: Journal of Teachers Association. 29:26-30
This cross-sectional study was carried out to estimate the prevalence of type 2 diabetes mellitus and its’ risk factors in an urbanizing rural community of Bangladesh. This study was carried out in my private practice chamber at Rohonpur, Chapai Na
Autor:
Sudipta Pathak, Anowar Hossain, Subrata Mukhopadhyay, Abdulla Al Masum, Anamika Dhara, Saugata Konar, Saikat Kumar Manna, Saikat Kumar Seth, Tripti Mandal
Publikováno v:
Photochemical & Photobiological Sciences. 17:1068-1074
A terpyridine based compound L1 was designed and synthesized as an “off–on” chemosensor for the detection of Zn2+. Chemosensor L1 showed excellent selectivity and sensitivity toward Zn2+ by exhibiting a large fluorescence enhancement (∼51-fol
Autor:
Samim Khan, Md. Maidul Islam, Klaus Harms, Abdulla Al Masum, Shouvik Chattopadhyay, Pritam Giri
Publikováno v:
ChemistrySelect. 3:7112-7122
Autor:
Nikhil Guchhait, Aniruddha Ganguly, Soumen Ghosh, Md. Akhtarul Alam, Abdulla Al Masum, Mehebub Ali Khan
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 190:471-477
Two amido-schiff bases (3-Hydroxy-naphthalene-2-carboxylic acid pyren-1-ylmethylene-hydrazide and Naphthalene-2-carboxylic acid pyren-1-ylmethylene-hydrazide) have been synthesized having a common structural unit and only differs by a -OH group in th