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https://www.readbyqxmd.com/read/28812011/oil-characterization-and-lipids-class-composition-of-pomegranate-seeds
#1
Zahra Amri, Houda Lazreg-Aref, Manel Mekni, Sinda El-Gharbi, Olfa Dabbaghi, Beligh Mechri, Mohamed Hammami
This study aims to investigate the physicochemical characteristics, phenolics content, and oil composition of pomegranate oil seeds (PSO). Quality indices, pigments, phenolics content, and antioxidant activity were determined. PSO was fractioned into polar lipids: glycolipids (GL) and phospholipids (PL). Sterols profile and fatty acids composition of total lipids (TL), GL, and PL were determined by GC/FID. The free acidity, the peroxide value, and the specific extinction coefficients were, respectively, 1.69%, 3...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28808678/interest-in-stem-is-contagious-for-students-in-biology-chemistry-and-physics-classes
#2
Zahra Hazari, Geoff Potvin, Jennifer D Cribbs, Allison Godwin, Tyler D Scott, Leidy Klotz
We report on a study of the effect of peers' interest in high school biology, chemistry, and physics classes on students' STEM (science, technology, engineering, and mathematics)-related career intentions and course achievement. We define an interest quorum as a science class where students perceive a high level of interest for the subject matter from their classmates. We hypothesized that students who experience such an interest quorum are more likely to choose STEM careers. Using data from a national survey study of students' experiences in high school science, we compared the effect of five levels of peer interest reported in biology, chemistry, and physics courses on students' STEM career intentions...
August 2017: Science Advances
https://www.readbyqxmd.com/read/28808650/comparison-of-two-treatment-methods-one-shot-and-sequential-on-reduction-the-level-of-hemoglobin-in-patients-with-percutaneous-nephrolithotripsy-in-al-zahra-hospital-in-2012-2013
#3
Mohammad Hatef Khorrami, Mohammad Hossein Izadpanahi, Mehrdad Mohammadi, Farshid Alizadeh, Mahtab Zargham, Farbod Khorrami, Felora Farahini Isfahani
BACKGROUND: Access dilation is the most important part of percutaneous nephrolithotripsy (PCNL) that is done by different methods, especially metal telescoping and one shot. In this study, two different methods of access dilation one shot and telescoping were compared. MATERIALS AND METHODS: In observational cross-sectional study, 240 patients who were a candidate for PCNL were selected and randomly divided into two groups. The first group was undergone one-shot method and the second group was undergone telescoping method...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28808649/the-effect-of-a-single-dose-dantrolene-in-patients-with-vasospasm-following-aneurysmal-subarachnoid-hemorrhage
#4
Masih Sabouri, Mahmood Momeni, Fariborz Khorvash, Majid Rezvani, Homayon Tabesh
BACKGROUND: Cerebral vasospasm is a prolonged, occasionally severe, but reversible narrowing of the cerebral arteries that begins 3 to 5 days after the hemorrhage becomes maximal at 14 days. This study is designed to evaluate the effect of dantrolene on the reduction of vasospasm following aneurysmal subarachnoid hemorrhage (SAH). MATERIALS AND METHODS: This randomized controlled clinical trial was conducted on 32 patients with proven aneurysms in AL-Zahra hospital during 2011-2013...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28808647/the-relationship-between-the-time-of-endoscopy-and-morbidity-and-mortality-rates-in-patients-with-upper-gastrointestinal-bleeding
#5
Vahid Sebghatollahi, Khadijeh Ghomi, Babak Tamizifar, Mohammad Minakari, Mahsa Khodadoustan
BACKGROUND: This study was done to evaluate the relationship between the time of endoscopy in patients with upper gastrointestinal bleeding with morbidity and mortality rates of patients at the Al Zahra Hospital emergency room. MATERIALS AND METHODS: In a cohort study, 1152 patients at 2014 and 2015 have been hospitalized due to gastrointestinal bleeding in Al Zahra Hospital, were selected and demographic and clinical information and day and time of endoscopy and hospital mortality and fewer deaths than a month after discharge were studied, and prognosis was analyzed in terms of day and time of endoscopy...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28808472/successful-ultra-conservative-management-of-a-mandibular-premolar-with-dens-invaginatus
#6
Ramin Abazarpour, Masoud Parirokh, Aida Farhadi, Zahra Jalali, Nasir Kheirabadi
Dens invaginatus is one of the most common anomalies of tooth structure. It is caused by the invagination of the crown surface during odontogenesis that enters the pulp chamber of the affected tooth. Depending on the complexity of invagination, the tooth might present with pulp necrosis, open apex and a complicated root canal system. This case report presents an Oehlers' type 2 dens-invaginatus in a mandibular premolar with chronic apical abscess. In most cases, dens invaginatus is removed during treatment...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28808452/root-morphology-and-canal-configuration-of-first-and-second-maxillary-molars-in-a-selected-iranian-population-a-cone-beam-computed-tomography-evaluation
#7
Abbasali Khademi, Asieh Zamani Naser, Zahra Bahreinian, Mojdeh Mehdizadeh, Mojtaba Najarian, Saber Khazaei
INTRODUCTION: The aim of this investigation was to evaluate root canal morphology of maxillary first and second molars and also to assess the prevalence and morphology of the second mesiobuccal canal (MB2) in these teeth, using cone-beam computed tomography (CBCT). METHODS AND MATERIALS: In this cross-sectional study, the total of 470 CBCT images from the archive of Radiology Department of Isfahan University of Medical Sciences (IUMS), Iran, was evaluated and 295 images were selected...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28806522/development-of-a-recombinant-multifunctional-biomacromolecule-for-targeted-gene-transfer-to-prostate-cancer-cells
#8
Arash Hatefi, Zahra Karjoo, Alireza Nomani
The objective of this study was to genetically engineer a fully functional single chain fusion peptide composed of motifs from diverse biological and synthetic origins that can perform multiple tasks including DNA condensation, cell targeting, cell transfection, particle shielding from immune system and effective gene transfer to prostate tumors. To achieve the objective, a single chain biomacromolecule (vector) consisted of four repetative units of histone H2A peptide, fusogenic peptide GALA, short elastin-like peptide and PC-3 cell targeting peptide was designed...
August 14, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28805042/fabrication-and-characterization-of-electrospun-laminin-functionalized-silk-fibroin-poly-ethylene-oxide-nanofibrous-scaffolds-for-peripheral-nerve-regeneration
#9
Mina Rajabi, Masoumeh Firouzi, Zahra Hassannejad, Ismaeil Haririan, Payam Zahedi
The peripheral nerve regeneration is still one of the major clinical problems, which has received a great deal of attention. In this study, the electrospun silk fibroin (SF)/poly(ethylene oxide) (PEO) nanofibrous scaffolds were fabricated and functionalized their surfaces with laminin (LN) without chemical linkers for potential use in the peripheral nerve tissue engineering. The morphology, surface chemistry, thermal behavior and wettability of the scaffolds were examined to evaluate their performance by means of scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, differential scanning calorimetry (DSC) and water contact angle (WCA) measurements, respectively...
August 14, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28804632/the-pattern-of-il-24-mda-7-and-its-cognate-receptors-expression-following-activation-of-human-hepatic-stellate-cells
#10
Iman Jamhiri, Seyed Younes Hosseini, Davood Mehrabani, Zahra Khodabandeh, Ramin Yaghobi, Razieh Dowran, Saber Zahri
Activation of hepatic stellate cells (HSCs) is the pivotal event during liver fibrosis. Interleukin (IL)-24/melanoma differentiation-associated gene-7 (mda-7) has attracted attention in the pathophysiology of some diseases, while its role in activation/suppression of human HSCs is still unclear. It is important to elucidate whether the expression levels of the IL-24/mda-7 protein and its receptors in HSC cells are changed following activation. LX-2 cells, a human hepatic stellate cell line were activated by a combination of leptin and serum starvation...
August 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28804611/antimalarial-evaluation-of-selected-medicinal-plant-extracts-used-in-iranian-traditional-medicine
#11
Mohammad Hossein Feiz Haddad, Hamidreza Mahbodfar, Zahra Zamani, Ali Ramazani
OBJECTIVES: In an attempt to discover new natural active extracts against malaria parasites, the present study evaluated the antiplasmodial properties of selected plants based on Iranian traditional medicine. MATERIALS AND METHODS: Ten plant species found in Iran were selected and collected based on the available literature about the Iranian traditional medicine. The methanolic extracts of these plants were investigated for in vitro antimalarial properties against chloroquine-sensitive (3D7) and multi-drug resistant (K1) strains of Plasmodium falciparum...
April 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28803807/effet-du-rev%C3%A3%C2%AAtement-esth%C3%A3-tique-sur-la-rugosit%C3%A3-de-surface-des-fils-orthodontiques
#12
Seyed Mohammad Mousavi, Milad Shamohammadi, Zahra Rastegaar, Masoumeh Skini, Vahid Rakhshan
No abstract text is available yet for this article.
August 10, 2017: International Orthodontics
https://www.readbyqxmd.com/read/28803804/effect-of-esthetic-coating-on-surface-roughness-of-orthodontic-archwires
#13
Seyed Mohammad Mousavi, Milad Shamohammadi, Zahra Rastegaar, Masoumeh Skini, Vahid Rakhshan
BACKGROUND AND AIM: Esthetic wires are commonly used in orthodontic treatments. Surface roughness is an important factor in the friction and bacterial adhesion in these wires. Surface roughness of esthetic wires has not been assessed, except in a few recent (mostly qualitative esthetics) studies. The aim of this study was to quantitatively compare the surface roughness of 4 coated esthetic wires with that of a conventional orthodontic wire. MATERIALS AND METHODS: In this in vitro trial, 25 coated and uncoated orthodontic archwires were studied, including: NiTi Memory wire (American Orthodontics, USA) as a control group; Orthocosmetic Elastinol (Ortho Organizers, USA); Perfect (Hubit, Korea); Imagination (Gestenco, Sweden); EverWhite (American Orthodontics, USA)...
August 10, 2017: International Orthodontics
https://www.readbyqxmd.com/read/28802205/evaluation-of-electrospinning-parameters-on-the-tensile-strength-and-suture-retention-strength-of-polycaprolactone-nanofibrous-scaffolds-through-surface-response-methodology
#14
Zahra Asvar, Esmaeil Mirzaei, Negar Azarpira, Bita Geramizadeh, Milad Fadaie
Scaffolds should provide sufficient biomechanical support during tissue regeneration for tissue engineering (TE) applications. Electrospun scaffolds are commonly applied in TE applications due to their tunable physical, chemical, and mechanical properties as well as their similarity to extracellular matrix. Although the mechanical properties of electrospun scaffolds are highly dependent on processing parameters, a limited number of studies have systematically investigated this subject. The present study has investigated the effects of the main electrospinning parameters on tensile and suture retention strength of polycaprolactone (PCL) scaffolds using response surface methodology...
August 4, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28801936/normative-data-and-psychometric-properties-of-a-farsi-translation-of-the-strange-stories-test
#15
Zahra Shahrivar, Mehdi Tehrani-Doost, Anahita Khorrami Banaraki, Azar Mohammadzadeh, Francesca Happe
BACKGROUND AND OBJECTIVE: The Strange Stories test is one of the most commonly used tests to evaluate advanced "theory of mind," i.e. attribution of mental states. Normative data and psychometric properties of a new Farsi translation of this test were evaluated in a large community-based sample of Iranian school-aged children. METHODS: Through randomized cluster sampling, 398 children aged 9-11 years studying at 20 elementary schools were recruited from 4 central regions of Tehran, Iran...
August 11, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28801078/on-position-force-tracking-control-problem-of-cooperative-robot-manipulators-using-adaptive-fuzzy-backstepping-approach
#16
Barmak Baigzadehnoe, Zahra Rahmani, Alireza Khosravi, Behrooz Rezaie
In this paper, the position and force tracking control problem of cooperative robot manipulator system handling a common rigid object with unknown dynamical models and unknown external disturbances is investigated. The universal approximation properties of fuzzy logic systems are employed to estimate the unknown system dynamics. On the other hand, by defining new state variables based on the integral and differential of position and orientation errors of the grasped object, the error system of coordinated robot manipulators is constructed...
August 8, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28800701/a-new-indole-derivative-decreased-sall4-gene-expression-in-acute-promyelocytic-leukemia-cell-line-nb4
#17
Zahra Sheikhrezaei, Parisa Heydari, Alireza Farsinezhad, Ahmad Fatemi, Soudeh Khanamani Falahati-Pour, Shokoofeh Darakhshan, Mojgan Noroozi Karimabad, Ali Darekordi, Hossein Khorramdelazad, Gholamhossein Hassanshahi
Background: Acute myeloblastic leukemia (AML) is a clonal disorder due to bone marrow failure and uncontrolled proliferation of myeloid lineage. Acute promyelocytic leukemia (APL) is a subtype of AML. Heterocyclic compounds, such as indole, are considered as attractive candidates for cancer therapy, due to their abundance in nature and known biological activity. Sal-like protein (SALL4) is a zinc finger transcription factor involving in the multi-potency of stem cells, in the NB4 cell line...
August 12, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28797601/effect-of-acute-and-subchronic-stress-on-electrical-activity-of-basolateral-amygdala-neurons-in-conditioned-place-preference-paradigm-an-electrophysiological-study
#18
Zahra Fatahi, Mohammad Ismail Zibaii, Abbas Haghparast
The basolateral amygdala (BLA) plays a critical role in the neural circuitry of stress and mediates the effects of stress on memory related processes. Moreover, this area has an important role in drug-seeking and relapse of approach behavior to drug-associated cues. Therefore, in the present study, we aimed to investigate the effects of acute and subchronic stress in saline- and/or morphine-treated rats in conditioned place preference paradigm on the neural activity in the BLA. Male Wistar rats were divided into two saline- and morphine-treated supergroups...
August 7, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28796298/new-insights-into-the-molecular-characteristics-behind-the-function-of-renilla-luciferase
#19
Zahra Fanaei Kahrani, Mohamad Reza Ganjalikhany, Seyed Mohammad Mahdi Rasa, Rahman Emamzadeh
Renilla Luciferase (RLuc) is a blue light emitter protein which can be applied as a valuable tool in medical diagnosis. But due to lack of the crystal structure of RLuc-ligand complex, the functional motions and catalytic mechanism of this enzyme remain largely unknown. In the present study, the active site properties and the ligand-receptor interactions of the native RLuc and its red-shifted light emitting variant (Super RLuc 8) were investigated using molecular docking approach, molecular dynamics (MD) analysis, and MM-PBSA method...
August 10, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28795849/doxorubicin-conjugated-d-glucosamine-and-folate-bi-functionalized-inp-zns-quantum-dots-for-cancer-cells-imaging-and-therapy
#20
Zahra Ranjbar-Navazi, Morteza Eskandani, Mohammad Johari-Ahar, Ali Nemati, Hamid Akbari, Soudabeh Davaran, Yadollah Omidi
Nanoscaled quantum dots (QDs), with unique optical properties have been used for development of theranostics. Here, InP/ZnS QDs were synthesized and functionalized with folate (QD-FA), D-glucosamine (QD-GA) or both (QD-FA-GA). The bi-functionalized QDs were further conjugated with doxorubicin (QD-FA-GA-DOX). Optimum Indium to fatty acid (In: MA) ratio was 1:3.5. Transmission electron microscopy (TEM) micrographs revealed spherical morphology for the QDs (11 nm). Energy dispersive spectroscopy (EDS) spectrum confirmed the chemical composition of the QDs...
August 10, 2017: Journal of Drug Targeting
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