Papers by Maryam Shahnavazi
Frontiers in Physiology, Jul 10, 2018
The diamondback moth, Plutella xylostella (L.), has become the most destructive insect pest of cr... more The diamondback moth, Plutella xylostella (L.), has become the most destructive insect pest of cruciferous plants, such as B. napus throughout the world including Iran. In this study, the induction of resistance was activated in oilseed rape plants (Brassica napus L.) using foliar application of jasmonic acid (JA) and mealy cabbage aphid either individually or in combination against diamondback moth. Induced resistance by inducers significantly reduced the population growth parameters, as well as the survival rate of immature P. xylostella. Also, the nutritional indices of P. xylostella were studied to evaluate the potential impact of induced resistance on the insect feeding behavior. The values of the efficiency of conversion of ingested food, the efficiency of conversion of digested food, relative consumption rate, and relative growth rate of P. xylostella on JA-treated plants were significantly reduced compared to control. These are because glucosinolates and proteinase inhibitors are induced following treatment of plants. Also, we found a significantly higher glucose oxidase activity in the salivary gland extracts of larvae fed on JA treatment. These results express that JA and/or Aphid application induces systemic defenses in oilseed rape that have a negative effect on P. xylostella fitness. These findings develop our knowledge the effects of induced defenses on P. xylostella.
Key Engineering Materials, Nov 1, 2016
Dentin tissue engineering is one of innovative and effective regenerative method for treatment of... more Dentin tissue engineering is one of innovative and effective regenerative method for treatment of dental pulp and dental tissue, and our research concentrated on preparing an effective scaffold substrate containing carbon Nano tube in polycaprolactone Nano fiber matrix. Our characterization showed benefits of this complex structure and its effect on odontoblast cell interaction. The results indicated that the prepared nanofiber polymer contains 4% CNT have a great potential as biocompatible materials for use in dental tissue engineering and odontoblast cell interaction.
Healthcare, Jun 19, 2021
This article is an open access article distributed under the terms and conditions of the Creative... more This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY
Copyright © 2021 The Author(s). This is an open-access article distributed under the terms of the... more Copyright © 2021 The Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution License (http:// creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Diagnostic Accuracy of Jaw Bone Particles Adjacent to Metallic Foreign Bodies in The Maxillofacial Region: An Animal Model
Healthcare, 2021
Persistent pressure change is a common phenomenon within scuba diving with various medical and de... more Persistent pressure change is a common phenomenon within scuba diving with various medical and dental sign side effects. This study evaluates the effect of simulated pressure change due to scuba diving on the microleakage of class II composite restoration. In our methodology, a total number of 150 intact bicuspids are divided into two main groups (A and B), and prepared for a class II composite restoration. The samples of each main group are divided into five subgroups to be prepared with different liners. Then samples are restored with the same resin composite material. The teeth in group A are thermocycled under the normal atmospheric pressure, while group B are thermocycled under simulated scuba diving conditions. The gingival microleakage is assessed based on dye penetration. The group B teeth show a significantly higher microleakage score than their equivalents in group A (p < 0.05). The subgroups without a liner have a higher microleakage score than the other subgroups (p &...
![Research paper thumbnail of {"__content__"=>"Induction of Resistance Against (L.) (Lep.: Plutellidae) by Jasmonic Acid and Mealy Cabbage Aphid Feeding in L.", "i"=>[{"__content__"=>"Plutella xylostella"}, {"__content__"=>"Brassica napus"}]}](https://attachments.academia-assets.com/113347539/thumbnails/1.jpg)
Frontiers in physiology, 2018
The diamondback moth, (L.), has become the most destructive insect pest of cruciferous plants, su... more The diamondback moth, (L.), has become the most destructive insect pest of cruciferous plants, such as throughout the world including Iran. In this study, the induction of resistance was activated in oilseed rape plants ( L.) using foliar application of jasmonic acid (JA) and mealy cabbage aphid either individually or in combination against diamondback moth. Induced resistance by inducers significantly reduced the population growth parameters, as well as the survival rate of immature . Also, the nutritional indices of were studied to evaluate the potential impact of induced resistance on the insect feeding behavior. The values of the efficiency of conversion of ingested food, the efficiency of conversion of digested food, relative consumption rate, and relative growth rate of on JA-treated plants were significantly reduced compared to control. These are because glucosinolates and proteinase inhibitors are induced following treatment of plants. Also, we found a significantly higher g...
Key Engineering Materials, 2016
Dentin tissue engineering is one of innovative and effective regenerative method for treatment of... more Dentin tissue engineering is one of innovative and effective regenerative method for treatment of dental pulp and dental tissue, and our research concentrated on preparing an effective scaffold substrate containing carbon Nano tube in polycaprolactone Nano fiber matrix. Our characterization showed benefits of this complex structure and its effect on odontoblast cell interaction. The results indicated that the prepared nanofiber polymer contains 4% CNT have a great potential as biocompatible materials for use in dental tissue engineering and odontoblast cell interaction.
Key Engineering Materials, 2016
Incorporation of hydroxyapatite (HA) with organic polymer would be used in bone and dental tissue... more Incorporation of hydroxyapatite (HA) with organic polymer would be used in bone and dental tissue engineering. According to prior researches, because of its chemical similarity to natural bone and dental, this scaffold could improve bioactivity and bone bonding ability. In this research, nano-hydroxyapatite/ chitosan scaffolds were synthesized by two different methods to investigate the effect of different method on scaffold properties. Morphological properties of scaffold such as pore size and fibers diameter were investigated using SEM evaluation, and also bioactivity of scaffolds were measured in simulated body fluid (SBF). The results indicate that Chitosan/nano-Hydroxyapatite scaffold might be a suitable scaffold for tooth engineering while electrospinning techniques present more flexibility and controllable pore size than freeze-drying while with freeze-drying technique percentage of usage hydroxyapatite could be risen up to 40% and shown better macro-mechanical and physical p...
Journal of Mazandaran University of Medical Sciences, Oct 15, 2012
Background and purpose: The use of intraoral direct digital radiography has been possible only th... more Background and purpose: The use of intraoral direct digital radiography has been possible only the past two decades. Controlled laboratory and clinical studies are needed to determine whether the new digital system changes the diagnosis, treatment and prognosis than the conventional methods. Purpose of this study is compare the diagnostic accuracy for the detection of approximal caries of three CCD-based digital systems. Materials and methods: seventy eight surfaces in thirty nine extract unrestored posterior teeth were radiographed under standard condition using three CCD systems, Planmecadixi 2 image receptor with Dimaxis 2.4.1 (Helsinki, Finland) software, Progeny dental image receptor with Cygnus media 3.0 (USA) software and RVGai Trophy image receptor with Trophy windows access (Eastman Kodak, France). The images were assessed by three observers. True caries existence and depth determined by histological examination. Diagnostic accuracy of the systems was validated by using Kappa agreement coefficient. Results: for approximal carries, no significant differences were found in diagnostic accuracy between three CCD systems Conclusion: the diagnostic accuracy of digital CCD systems is comparable with each other. The existence and depth of the lesion had no significant effect on the performance of the imaging modality. Planmeca performed consistently better than others and Progeny performed consistently better than Trophy, but the differences were not significant.
Uploads
Papers by Maryam Shahnavazi