نتایج جستجو برای: 172 and b1
تعداد نتایج: 16832140 فیلتر نتایج به سال:
Background: Aflatoxin B1 is a secondary toxic metabolite produced by several aspergillus species. This study was conducted to determine the presence of aflatoxin in tomato paste samples. Methods: A total of 30 tomato pastes were analyzed for Aflatoxin B1 contamination via HPLC-FLD. Analyte extraction was done by dispersive liquid-liquid microextraction. Results: The limit of detection (LOD) and...
Introduction: Fumonisin B1 is a mycotoxin which can lead to neural defects, esophageal cancer, liver and kidney diseases. The aim of this study was to investigate the ability of nanocellulose conjugated with poly-lysine to remove fumonisin B1 in the different foodstuffs. Methods: First, nanocellulose was synthesized by acid hydrolysis, modified by citric acid, and conjugated with poly-lysine b...
Let A be a non empty set, let B be a set, let B1 be a set, and let y1 be a function from B1 into A. Let us assume that B1 ⊆ B. The functor cylinder0(A,B,B1, y1) yields a non empty subset of A B and is defined by: (Def. 1) cylinder0(A,B,B1, y1) = {y : B → A: y B1 = y1}. Let A be a non empty set and let B be a set. A non empty subset of AB is said to be a thin cylinder of A and B if: (Def. 2) The...
Introduction: Mycotoxin contamination of crops for human and animal health has been facing a serious concern. Aflatoxin B1 is the most toxic types of aflatoxins in foodssuch as rice. The aim of this study was to investigate the Effect of heating processes and home cooking methods of rice on concentration of aflatoxin B1. methods: The heating processes of 20 and 120 minutes and rinse in three...
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background: recently, some new nanobiosensors using different nanoparticles or microarray systems for detection of mycotoxins have been designed . however, rapid, sensitive and early detection of aflatoxicosis would be very helpful to distinguish high-risk persons.objectives: we report a highly sensitive competitive immunoassay using magnetic/silica core shell as a signal intensifier for the de...
Background: Root hair culture is a valuable system to produce recombinant proteins in planta. Antimicrobial peptides (AMPs) are vital parts of the innate immune response found in almost all forms of life. Precise target activity and limited toxicity towards mammalian cells make them suitable candidate molecules to combat evolving drug-resistant microorganisms. The aim of the present study...
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