Vol. 45 No. 1 (2021)

Published: 2021-07-15

Obituary

Late Professor Dr. M.A.M. Muhtasham Hussain (1929-2021)

Mesbahuddin Ahmed

i
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Late Professor Syed Nurun Nabi

M Muhibur Rahman

ii
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Late Prof. Dr. Md. Anwar Hossain (August 19, 1944 - May 27, 2021)

Md Abdul Alim

iii
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Research Articles

Economically reproducible surface-enhanced Raman spectroscopy of different compounds in thin film

Ahatashamul Islam, Fariha Tasneem, Zulfiqar Hasan Khan, Asif Rakib, Syed Farid Uddin Farhad, Aminul I Talukder, AFM Yusuf Haider, - Md Wahadoszamen

1-11
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Synthesis and characterization of a solid solution series of the type Bi₂M_xMn_4-xO₁₀ (M = Cr³⁺, Co³⁺ and 0.0 ≤ x ≤ 2.0.)

Aparna Sarker, AKM Lutfor Rahman, Tapas Debnath, Altaf Hussain

13-26
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Orcein and DAPI-stained karyotype analysis of Alocasia macrorrhizos (L.) G. Don

Ashma Ahmed Warasy

27-35
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Synthesis, characterization and pharmacokinetic studies of 4-(3-aryl-1, 6-dihydro-6-iminopyridazin-1-yl)butanoic acid hydrochlorides

Md Din Islam, Samiron Kumar, Tahmina Akter Chowdhury, Mahe Zame Sarker, Hiroshi Nishino, Md Aminul Haque, Mohammad Mostafizur Rahman

37-47
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Association of serum zinc and vitamin E levels with Acne vulgarisin Bangladeshi acne patients

Tania Sultana, Aklima Akter, Fatima Tuz Zohra, Md Quddusur Rahman, Yearul Kabir

49-58
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Phytochemical profiling, antioxidant potentiality and antibacterial activity of the ethanolic extracts of Rosenvingea sp. of Bay of Bengal

Md Abdul Alim, Md Farzanoor Rahman, Tamim Ahsan, Toufiqul Islam, Md Morshedul Alam, Mohammad Nazir Hossain

59-71
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The effect of flight state parameters on the performance of photovoltaic modules in solar aircraft

Saydul Morshed Tanvir, Xiao Wenbo, Jin Xin

73-83
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Effectors of income-child health gradient: Role of dietary diversity on child nutritional status in selected slums of Dhaka city

Sazia Mahmood, Mahbuba Kawser, Shamima Akther, Abu Torab MA Rahim

85-94
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Measurement of natural radioactivity and its health hazards associated with the use of different branded cement samples collected from different manufactures in Dhaka city using gamma spectrometry

Shikha Pervin, Md Jafor Dewan, Ashif Mahamud Apon, MM Mahfuz Siraz, Selina Yeasmin

95-104
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Optimizing the wash time of the washing machine using several types of fuzzy numbers

Md Azharul Islam, Md Sahadat Hossain

105-116
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Short Communication

Biodegradation of azo dyes and dyes present in textile wastewaters using Bacillus sp. az28, obtained from industrial effluents

Mahmudul Hassan Suhag, KM Anis Ul Haque, Md Zobaidul Hossen, Abul Kalam Azad, Muhammad Younus

117-122
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On some properties of the Diophantine equations a² = b² ± bc +c²

Abdullah Al Kafi Majumdar

123-125
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On the Diophantine equations z² = k(k² + 3) and z² = k(k² + 12)

Shah Mohammad Shahidul Islam, Abdullah Al Kafi Majumdar

127-129
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