Publications by authors named "A A Khodadoust"
There is an increasing concern about using limited high-quality protein sources in the aquafeed industry. The alternative solution to this problem is cost-effective plant proteins such as soybean meal (SBM). However, it is better to improve plant protein-containing diets through processing and supplemental amino acids.
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- Microplastics (MPs) are a serious threat to marine ecosystems, highlighting the need for effective biomonitoring to understand their impact and guide policy decisions.
- The study examined MPs pollution in two crustaceans, gammarus and shrimp, along the southern Caspian Sea coast, analyzing samples collected from various stations over the summer of 2023.
- Results showed that while both crustaceans can absorb and accumulate MPs from their environment, they do not qualify as effective biomonitors, and contamination levels indicate minor pollution risks in the sampled areas.
The increasing microplastic pollution in the marine environment has raised global concern. The main risk of microplastics in aquatic ecosystem is their bioaccumulation in aquatic organisms. A few studies have reported microplastic pollution in the digestive system of Caspian Sea fish species, but there is no research on sturgeon species, nor on fish gills.
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- Researchers developed dual signal-labeled hairpin-structured DNA probes to create a new nano-biosensor for detecting miRNA-141 and miRNA-21 simultaneously.
- The biosensor uses a unique structure that reduces environmental interference and enhances sensitivity by controlling initial responses at a 1:1 ratio.
- It demonstrated low detection limits of 0.89 fM and 1.24 fM for the target miRNAs, making it a promising tool for early detection of cancer biomarkers in plasma samples.
A sensitive biosensor for the detection of miR-141 has been constructed. The DNA-biosensor is prepared by first immobilizing the thiolated methylene blue-labeled hairpin capture probe (MB-HCP) on two-layer nanocomposite film graphene oxide-chitosan@ polyvinylpyrrolidone-gold nanourchin modified glassy carbon electrode. We used the hematoxylin as an electrochemical auxiliary indicator in the second stage to recognize DNA hybridization via the square wave voltammetry (SWV) responses that record the accumulated hematoxylin on electrode surfaces.
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