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Islam, M.A.,Alam, M.K.,Islam, M.N.,Khan, M.A.S.,Ekeberg, D.,Rukke, E.O.,Vegarud, G.E. Asian Australasian Association of Animal Productio 2014 Animal Bioscience Vol.27 No.6
The aim of the present study was to get a total physical and chemical characterization and comparison of the principal components in Bangladeshi buffalo (B), Holstein cross (HX), Indigenous cattle (IC) and Red Chittagong Cattle (RCC) milk. Protein and casein (CN) composition and type, casein micellar size (CMS), naturally occurring peptides, free amino acids, fat, milk fat globule size (MFGS), fatty acid composition, carbohydrates, total and individual minerals were analyzed. These components are related to technological and nutritional properties of milk. Consequently, they are important for the dairy industry and in the animal feeding and breeding strategies. Considerable variation in most of the principal components of milk were observed among the animals. The milk of RCC and IC contained higher protein, CN, ${\beta}$-CN, whey protein, lactose, total mineral and P. They were more or less similar in most of the all other components. The B milk was found higher in CN number, in the content of ${\alpha}_{s2}-$, ${\kappa}$-CN and ${\beta}$-lactalbumin, free amino acids, unsaturated fatty acids, Ca and Ca:P. The B milk was also lower in ${\beta}$-lactoglobulin content and had the largest CMS and MFGS. Proportion of CN to whey protein was lower in HX milk and this milk was found higher in ${\beta}$-lactoglobulin and naturally occuring peptides. Considering the results obtained including the ratio of ${\alpha}_{s1}-$, ${\alpha}_{s2}-$, ${\beta}$- and ${\kappa}$-CN, B and RCC milk showed best data both from nutritional and technological aspects.
Secrecy performance of a-k-u shadowed fading channel
A.S.M. Badrudduza,S.H. Islam,M.K. Kundu,I.S. Ansari 한국통신학회 2023 ICT Express Vol.9 No.2
In this paper, the physical layer security aspects of a wireless framework over shadowed (AKMS) fading channel are examined by acquiring closed-form novel expressions of average secrecy capacity, secure outage probability (SOP), and strictly positive secrecy capacity. The lower bound of SOP is derived along with the asymptotic expression of SOP at the high signal-to-noise ratio regime in order to achieve secrecy diversity gain. Capitalizing on these expressions, the consequences due to the simultaneous occurrence of fading and shadowing are quantified. Finally, Monte-Carlo simulations are demonstrated to assess the correctness of the expressions.
Islam, M.A.,Kim, S.,Firdous, J.,Lee, A.Y.,Hong, S.H.,Seo, M.K.,Park, T.E.,Yun, C.H.,Choi, Y.J.,Chae, C.,Cho, C.S.,Cho, M.H. IPC Science and Technology Press 2016 Biomaterials Vol.102 No.-
<P>Aside from kidney transplantation a procedure which is exceedingly dependent on donor-match and availability leading to excessive costs there are currently no permanent treatments available which reverse kidney injury and failure. However, kidney-specific targeted gene therapy has outstanding potential to treat kidney-related dysfunction. Herein we report a novel kidney-specific targeted gene delivery system developed through the conjugation of chitobionic acid (CBA) to a polysorbitol gene transporter (PSGT) synthesized from sorbitol diacrylate and low molecular weight polyethylenimine (PEI) carrying hepatocyte growth factor (HGF) gene to alleviate unilateral ureteral obstruction (UUO) in rats. CBA-PSGT performed exceptionally well for targeted delivery of HGF to kidney tissues compared to its non-targeted counterparts (P < 0.001) after systemic tail-vein injection and significantly reduced the UUO symptoms, returning the UUO rats to a normal health status. The kidney-targeted CBA-PSGT-delivered HGF also strikingly reduced various pathologic and molecular markers in vivo such as the level of collagens (type I and II), blood urea nitrogen (BUN), creatinine, and the expressions of ICAM-1, TIMP-1 and alpha-S1VIA which play a critical role in obstructive kidney functions. Therefore, CBA-PSGT should be further investigated because of its potential to alleviate UUO and kidney-related diseases using high affinity kidney targeting. (C) 2016 Elsevier Ltd. All rights reserved.</P>
Influence of Silicon Spray on Storability of Truss Tomato in MA Storage
( M. Z. Islam ),( M. A. Mele ),( M. J. Jeong ),( I. S. Kim ),( S. K. Hong ),( I. L. Choi ),( J. P. Baek ),( H. M. Kang ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2014 강원 농업생명환경연구 Vol.26 No.3
This study was conducted to find out the performance of silicon foliar spray treatment on storability of truss tomatoes (Lycopersicon esculentum Mill. cv. Campari and Temptation) in MA (20,000 cc/m2 · day· atm O2 permeability film) storage. Tomatoes were grown by hydroponics at Gangwon province in Korea during the winter, harvested at light red maturity stage and packaged with MA condition for stored at 8℃ and to investigate the storability. The silicon sprayed as a whole plant that displayed the utmost visual quality had the oxygen 5.94-12.28%, carbon dioxide 6.72-7.94% and ethylene concentration around 0.43-1.67 μL/L of ‘Campari’ and the oxygen 3.82-10.84%, carbon dioxide 7.40-10.20% and ethylene concentration around 0.69-1.75 μL/L of ‘Temptation’. The range of fresh weight loss of ‘Campari’ was less than 0.22% and ‘Temptation’ was less than 0.20% during the storage period at 8℃. The higher visual quality maintained by silicon sprayed as a whole plant than other treatments of both cultivars on the MA storage period at 8℃. The silicon sprayed as a whole plant had a positive effect to reduce the fungal incidence of both cultivars during the MA storage period at 8℃. Moreover, the silicon sprayed as a whole plant showed more prominent firmness than other treatments for storage days of both cultivars. Therefore, the silicon foliar sprays as whole plant has the positive effect to advance storability, reduced fungal incidence, maintained vitamin C, soluble solids and retain firmness.
Islam, K.M.S.,Shahjalal, M.,Tareque, A.M.M.,Howlider, M.A.R. Asian Australasian Association of Animal Productio 1997 Animal Bioscience Vol.10 No.6
An experiment was conducted to investigate the effects of equiprotein replacement of dietary fish meal (FM) with duckweed (DW) and soybean meal (SBM) on the performance of broilers. A total of 112 seven-day-old as hatched broilers were fed on 4 different iso-energetic (2,818 kcal/kg) and iso-nitrogeneous (20.2% CP) diets up to 56 days of age. Diet A was control with 12% FM. In diets B (3% DW + 13.5% SBM), C (6% DW + 11.5% SBM) and D (9% DW +10% SBM). All FM protein of control diet was replaced by DW and SBM. The replacement of dietary FM by DW and SBM depressed feed intake, live weight gain and feed conversion efficiency and increased production cost and thus affected profitability. All those growth parameters had a linear declining trend as the proportion of DW in the diet was increased. It may be concluded that complete replacement of dietary FM by DW and SBM should not be recommended for raising broilers.
EXACT SOLUTION FOR STEADY PAINT FILM FLOW OF A PSEUDO PLASTIC FLUID DOWN A VERTICAL WALL BY GRAVITY
M.K.ALAM,M.T.RAHIM,S.ISLAM,A.M.SIDDIQUI 한국산업응용수학회 2012 Journal of the Korean Society for Industrial and A Vol.16 No.3
Here in this paper, the steady paint film flow on a vertical wall of a non-Newtonian pseudo plastic fluid for drainage problem has been investigated. The exact solution of the non-linear problem is obtained for the velocity profile. Also the average velocity, volume flux, shear stress on the wall, force to hold the wall in position and normal stress difference have been derived. We retrieve Newtonian case, when material constant μ₁ and relaxation time λ₁ equal zero. The results for co-rotational Maxwell fluid is also obtained by taking material constant μ₁ = 0. The effect of the zero shear viscosity η?, the material constant μ₁, the relaxation time λ₁ and gravitational force on the velocity profile for drainage problem are discussed and plotted.
Optimal control strategy to combat the spread of COVID-19 in absence of effective vaccine
M.H.A. Biswas,M.S. Khatun,M.A. Islam,S. Mandal,A.K. Paul,A. Ali 한국전산응용수학회 2022 Journal of applied mathematics & informatics Vol.40 No.3
Many regions of the world are now facing the second wave of boomed cases of COVID-19. This time, the second wave of this highly infectious disease (COVID-19) is becoming more devastating. To control the existing situation, more mass testing, and tracing of COVID-19 positive individuals are required. Furthermore, practicing to wear a face mask and maintenance of physical distancing are strongly recommended for everyone. Taking all these into consideration, an optimal control problem has been reformulated in terms of nonlinear ordinary differential equations in this paper. The aim of this study is to explore the control strategy of coronavirus-2 disease (COVID-19) and thus, minimize the number of symptomatic, asymptomatic and infected individuals as well as cost of the controls measures. The optimal control model has been analyzed analytically with the help of the necessary conditions of very well-known Pontryagin’s maximum principle. Numerical simulations of the optimal control problem are also performed to illustrate the results.
HEMATOLOGICAL STUDIES ON CATTLE EXPOSED TO Fasciola gigantica INFESTATION
Taimur, M.J.F.A.,Halder, A.K.,Chowdhury, S.M.Z.H.,Akhter, N.,Islam, M.S.,Kamal, A.H.M.,Islam, K.S. Asian Australasian Association of Animal Productio 1993 Animal Bioscience Vol.6 No.2
Hematological value were determined from 140 Fasciola gigantica infested and 138 non-infested apparently healthy (control) zebu cattle from eight different sites of Bangladesh. The F. gigantica infested cattle have experienced of normocytic normochromic anemia indicated by the significant (p<0.01) decline of total erythrocyte count, hemoglobin level, packed cell volume and mean corpuscular hemoglobin concentration and significant (p<0.01) increase of erythrocyte sedimentation rate, as compared with non-infested control animals. Values of mean corpuscular volume and mean corpuscular hemoglobin content were not differed significantly between the infested and control animals. There observed significantly (p<0.01) higher eosinophil and neutrophil counts and significantly (p<0.01) lower lymphocyte counts in fasciola infested cattle in comparison with the control animals.
( K. B. M. S. Islam ),( M. S. Rahman ),( Md. Ershaduzzaman ),( M. J. F. A. Taimur ),( Hyung Kwan Jang ),( Hee Jong Song ) 한국가축위생학회 2010 韓國家畜衛生學會誌 Vol.33 No.1
An enzyme-linked immnnosorbent assay (ELISA) has been performed for the detection of the prevailing toxinotypes of Clostridium perfringens obtained from conventional culturing of intestinal contents of goats which have died of suspected enterotoxaemia. The test was found effective to detect the toxins as well as types of the organism with less time and labor. The most prevailing type of C. perfringens causing enterotoxaemia in goat was C. perfringens type D (68.75%) and followed by C. perfringens type B (25%) and C (6.25%). No C. perfringens type A was detected. This study showed an intelligible picture of prevailing toxinotypes of C. perfringens in goats in Bangladesh. The use of the ELISA for the detection of clostridial types and toxins allows the differential diagnosis of C. perfringens types A, B, C and D enterotoxaemias from samples of intestinal contents and the typing of cultures of C. perfringens.