Publications by authors named "Hamid Rahman"

The habitat suitability of Salvadora oleoides and Tamarix aphylla can be one of the most significant steps towards conserving these tree species. Habitat loss presents a critical threat to the existence of S. oleoides and T.

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This study presents a computational analysis of fluid flow characteristics around two staggered arranged square cylinders using the Lattice Boltzmann Method (LBM). With Reynolds number (Re) fixed at 200, numerical simulations explore the influence of varying gap ratios (G) ranging from 0 to 10 times the cylinder size. Emphasis is placed on understanding the impact of cylinders spacing on flow structure mechanisms and induced forces.

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This study investigates the influence of small control cylinders on the fluid dynamics around a square cylinder using the Lattice Boltzmann Method (LBM). Varying the gaps (L) between the main and control cylinders from 0 to 6, four distinct flow regimes are identified: the solo body regime (SBR), shear layer reattachment (SLR), suppressed fully developed flow (SFDF), and intermittent shedding (IS). The presence of control cylinders results in significant reductions in flow-induced forces, with drag coefficient (CD) and root mean square values of drag and lift coefficients (CD and CL) decreasing by approximately 31%, 90%, and 81%, respectively.

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Multiplex PCR assay to detect and species simultaneously.

Food Addit Contam Part A Chem Anal Control Expo Risk Assess

November 2020

A wide variety of mycotoxins is produced by mycotoxigenic fungi and naturally contaminates food and feed products worldwide. Synergistic effects of multi-toxins are potentially more harmful than exposure to a single compound and can induce acute and chronic toxicity to animals and humans. The aim of the present study is to timely and simultaneously identify the multiple mycotoxigenic fungi capable of causing synergistic toxicity to improve the safety level of food and feedstuff.

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Mycotoxins are secondary fungal metabolites produced by certain types of filamentous fungi or molds, such as Aspergillus, Fusarium, Penicillium, and Alternaria spp. Mycotoxins are natural contaminants of agricultural commodities, and their prevalence may increase due to global warming. According to the Food and Agriculture Organization of the United Nations, approximately 25% of the world's food crops are annually contaminated with mycotoxins.

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