Mehrnaz Hatami

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Engineered nanomaterials (ENMs) possess remarkable physicochemical characteristics suitable for different applications in medicine, pharmaceuticals, biotechnology, energy, cosmetics and electronics. Because of their ultrafine size and high surface reactivity, ENMs can enter plant cells and interact with intracellular structures and metabolic pathways which(More)
In this study, seeds of Hyoscyamus niger were exposed to different concentrations (50-800μgmL-1) of single-walled carbon nanotubes (SWCNTs) under different levels of drought stress (0.5-1.5MPa) for 14days. Germinated seeds were subsequently allowed to grow in the same culture media for 7 more days to test the further response of the seedlings in terms of(More)
Application of signal molecules are very potential elicitors for production of plant secondary metabolites. This study was performed to elucidate the potential impacts of different concentrations of nano-silver (NS: 20, 40 and 80 mg l−1) particles and thidiazuron (TDZ: 50, 75 and 100 µM) and their combinations on variations of growth indices, contents of(More)
Biosynthesis and metabolism of phytochemicals in aromatic and medicinal plants are vigorously affected by environmental agents. This study was undertaken to investigate the variations in the growth, nutrient status and the essential oils content and composition of pennyroyal (Mentha pulegium L.) plant exposed to different concentrations of copper (Cu; 0, 5,(More)
Plants produce a variety of secondary metabolites to improve their performance upon exposure to pathogens, pests, herbivores, or environmental stresses. Secondary metabolism in plants is, therefore, highly regulated by presence of biotic or abiotic elicitors in the environment. The present research was undertaken to characterize plant growth-promoting(More)
The rapid increase in the production and application of various types of nanomaterials increases the possibility of their presence in total environment, which subsequently raises concerns about their potential threats to the first trophic level of organisms, specifically under varying environmental constraints. In this work, seeds of Cucurbita pepo L. were(More)
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