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https://www.readbyqxmd.com/read/29779720/search-engines-news-wires-and-digital-epidemiology-presumptions-and-facts
#1
Fatemeh Kaveh-Yazdy, Ali-Mohammad Zareh-Bidoki
BACKGROUND: Digital epidemiology tries to identify diseases dynamics and spread behaviors using digital traces collected via search engines logs and social media posts. However, the impacts of news on information-seeking behaviors have been remained unknown. METHODS: Data employed in this research provided from two sources, (1) Parsijoo search engine query logs of 48 months, and (2) a set of documents of 28 months of Parsijoo's news service. Two classes of topics, i...
July 2018: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/29778898/examining-the-diagnostic-accuracy-of-static-postural-stability-measures-in-differentiating-among-knee-osteoarthritis-patients-with-mild-and-moderate-to-severe-radiographic-signs
#2
Nahid Pirayeh, Mohammad-Jafar Shaterzadeh-Yazdi, Hossein Negahban, Mohammad Mehravar, Neda Mostafaee, Amal Saki-Malehi
BACKGROUND: Clinicians need a reliable and accurate tools that can best identify and classify balance impairments between mild and moderate to severe grades of knee osteoarthritis (OA). RESEARCH QUESTION: This study was designed to investigate the accuracy of postural measurements to discriminate between these two groups of knee OA. METHODS: A total of 130 patients with knee OA based on the Kellgren-Lawrence (KL) grading scale were categorized into 65 patients with mild (a KL grade≤ 2) and 65 patient with moderate to severe (a KL grade≥3) radiographic sign...
May 12, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29771126/magnesium-nanoparticle-plasmonics
#3
John Biggins, Sadegh Yazdi, Emilie Ringe
Nanoparticles of some metals (Cu/Ag/Au) sustain oscillations of their electron cloud called localized surface plasmon resonances (LSPRs). These resonances can occur at optical frequencies and be driven by light, generating enhanced electric fields and spectacular photon scattering. However, current plasmonic metals are rare, expensive, and have a limited resonant frequency range. Recently, much attention has been focused on earth-abundant Al, but Al nanoparticles cannot resonate in the IR. The earth-abundant Mg nanoparticles reported here surmount this limitation...
May 17, 2018: Nano Letters
https://www.readbyqxmd.com/read/29765584/nursing-managers-attitude-toward-spirituality-and-spiritual-care-in-khorasan-razavi-province-hospitals-in-2016
#4
Ali Kavosi, Mina Taghiabadi, Gholamreza Mohammadi, Khadijeh Yazdi, Sara Shirdelzadeh, Hossein Nasiri, Ghanbar Roohi, Alireza Shariati, Hossein Rahmani, Einollah Mollaei, Mohammadreza Aryaeefar
Background and aim: Spiritual care is an important part of nursing practice that seems to provide comprehensive care to patients. Nursing manager's attention to the spiritual dimension is one of the most important aspects affecting human health. Therefore, the aim of this study was to determine nursing managers' attitude to spirituality and spiritual care in hospitals in Khorasan Razavi Province in 2016. Methods: In this cross-sectional study, 110 management nurses (8 matrons, 37 supervisors and 65 head nurses) of hospitals in Khorasan Razavi Province (2016) were recruited for the study...
March 2018: Electronic Physician
https://www.readbyqxmd.com/read/29737550/the-association-of-the-placental-caspase-3-gene-polymorphisms-and-preeclampsia-susceptibility-and-in-silico-analysis
#5
Batool Teimoori, Atefeh Yazdi, Mahnaz Rezaei, Abbas Mohammadpour-Gharehbagh, Danial Jahantigh, Saeedeh Salimi
Preeclampsia is a pathologic complication of pregnancy, associated with increased apoptosis in the cytotrophoblasts as the main cause of this disorder. Caspase-3 is a key apoptosis-related enzyme that both mitochondrial and death receptor apoptotic pathways can activate. In this study, we aimed to investigate the effect of placental CASP-3 rs4647602 and rs4647610 polymorphisms on PE susceptibility. The placentas of 106 PE women and 115 normotensive pregnant women were collected. Genomic DNA was extracted from the placenta...
May 8, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29734097/the-influence-of-dietary-patterns-and-stressful-life-events-on-psychological-problems-in-a-large-sample-of-iranian-industrial-employees-structural-equations-modeling-approach
#6
Maryam Yazdi, Hamidreza Roohafza, Awat Feizi, Katayoon Rabiei, Nizal Sarafzadegan
BACKGROUND: Psychological problems affect many employees and their job performance. Although, the association of diet and stress, as modifiable risk factors, with psychological problems have been investigated separately, however their simultaneous impacts have not been studied. The present study aimed at reinvestigating the association of major dietary patterns and stressful life events with intensity of psychological problems in a large sample of Iranian industrial employees. METHODS: In a cross-sectional study, 3063 employees in an industrial unit in Isfahan, Iran were investigated...
April 27, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29726751/evaluation-of-the-antiparkinsonism-and-neuroprotective-effects-of-hydrogen-sulfide-in-acute-6-hydroxydopamine-induced-animal-model-of-parkinson-s-disease-behavioral-histological-and-biochemical-studies
#7
Mohammad Sarukhani, Hashem Haghdoost-Yazdi, Ali Sarbazi Golezari, Arvin Babayan-Tazehkand, Tahere Dargahi, Nafiseh Rastgoo
INTRODUCTION: Studies have shown that hydrogen sulfide (H2 S), a gaseous neurotransmitter, has neuroprotective effect. Here, we evaluated the neuroprotective activity of H2 S in acute 6-hydroxydopamine (6-OHDA) animal model of Parkinson's disease (PD). METHODS: 6-OHDA was injected through stereotaxic surgery into medial forebrain bundle (MFB) of the right hemisphere to induce severe and fast degeneration in dopaminergic neurons of substantia nigra (SN). NaHS, as donor of H2 S, was daily injected at doses of 3 and 5...
May 4, 2018: Neurological Research
https://www.readbyqxmd.com/read/29706765/correlation-between-mammographic-breast-density-breast-tissue-type-in-ultrasonography-fibroglandular-tissue-and-background-parenchymal-enhancement-in-magnetic-resonance-imaging
#8
Afsaneh Alikhassi, Seyedeh Nooshin Miratashi Yazdi, Hedieh Akbari, Sona Akbari Kia, Masoud Baikpour
Objective: Breast cancer is the most common malignancy in the female population, and imaging studies play a critical role for its early detection. Mammographic breast density (MBD) is one of the markers used to predict the risk stratification of breast cancer in patients. We aimed to assess the correlations among MBD, ultrasound breast composition (USBC), fibroglandular tissue (FGT), and the amount of background parenchymal enhancement (BPE) in magnetic resonance imaging, after considering the subjects' menopausal status...
2018: Breast Cancer: Basic and Clinical Research
https://www.readbyqxmd.com/read/29700028/viewpoint-primary-care-in-iran-needs-a-paradigm-shift
#9
Vahid Yazdi-Feyzabadi, Sajad Delavari, Sara Ghasemi
No abstract text is available yet for this article.
May 2018: British Journal of General Practice: the Journal of the Royal College of General Practitioners
https://www.readbyqxmd.com/read/29699810/characterization-of-folic-acid-surface-coated-selenium-nanoparticles-and-corresponding-in-vitro-and-in-vivo-effects-against-breast-cancer
#10
Ahmad Reza Shahverdi, Faranak Shahverdi, Elnaz Faghfuri, Mohammad Reza Khoshayand, Faranak Mavandadnejad, Mohammad Hossein Yazdi, Mohsen Amini
BACKGROUNDS AND AIMS: Selenium nanoparticles (SeNPs) have been reported to exhibit an inhibitory effect on cancer cells. In the present study, we aimed to compare the in vitro and in vivo effects of SeNPs and folic acid surface-coated selenium nanoparticles (FA@SeNPs) on breast cancer. METHODS: FA@SeNPs and SeNPs were chemically synthesized and characterized with different instrumental techniques. The cytotoxicity of both nanomaterials was evaluated against 4T1 cells...
April 23, 2018: Archives of Medical Research
https://www.readbyqxmd.com/read/29696351/the-effects-of-superovulation-with-gonadotropins-on-autoantibody-levels-in-patients-undergoing-assisted-reproductive-cycles
#11
Mahnaz Ashrafi, Elham Amirchaghmaghi, Arezoo Arabipoor, Samira Vesali, Reza Salman-Yazdi
PURPOSE: To evaluate the effect of controlled ovarian stimulation (COH) with gonadotropins on the serum levels of autoantibodies in the women who underwent in vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI) cycles and to compare basal levels of these autoantibodies between groups according to history of COH. METHODS: This prospective cohort study was performed from October 2014 to March 2016 in the Royan Institute. The volunteered infertile women with regard to the inclusion criteria, who underwent IVF/ICSI cycles, were recruited...
April 25, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29691055/multiwall-carbon-nanotube-zirconium-oxide-nanocomposite-hollow-fiber-solid-phase-microextraction-for-determination-of-polyaromatic-hydrocarbons-in-water-coffee-and-tea-samples
#12
Mahnaz Nozohour Yazdi, Yadollah Yamini, Hamid Asiabi
The purpose of this study was to evaluate the application of hollow fiber solid-phase microextraction (HF-SPME) followed by HPLC-UV to determine the ultra-trace amounts of polycyclic aromatic hydrocarbons (PAHs) as model analytes in complex coffee and tea samples. HF-SPME can be effectively used as an alternative to the direct immersion SPME (DI-SPME) method in complex matrices. The DI-SPME method suffers from serious limitation in dirty and complicated matrices with low sample clean-up, while the HF-SPME method has high clean-up and selectivity due to the high porosity of hollow fiber that can pick out analyte from complicated matrices...
April 17, 2018: Journal of Chromatography. A
https://www.readbyqxmd.com/read/29683410/the-effect-of-dry-needling-on-spasticity-gait-and-muscle-architecture-in-patients-with-chronic-stroke-a-case-series-study
#13
Sarafraz Hadi, Otadi Khadijeh, Mohammadreza Hadian, Ayoobi Yazdi Niloofar, Gholamreza Olyaei, Bagheri Hossein, Sandra Calvo, Pablo Herrero
Objectives The objective of this study was to assess the short-term effects of dry needling on spasticity, gait, and muscle architecture of patients with chronic stroke. Methods A case series study was designed; and six chronic stroke patients with ankle spasticity and gait impairment received a single session of dry needling for gastrocnemius medialis, lateralis, and soleus muscles. The main outcome measures were the Modified Modified Ashworth Scale (MMAS), and Timed Up and Go test (TUG). In addition, ultrasonography measurements (e...
April 23, 2018: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/29679977/ab-initio-characterization-of-coupling-strength-for-all-types-of-dangling-bond-pairs-on-the-hydrogen-terminated-si-100-2-%C3%A3-1-surface
#14
Zahra Shaterzadeh-Yazdi, Barry C Sanders, Gino A DiLabio
Recent work has suggested that coupled silicon dangling bonds sharing an excess electron may serve as building blocks for quantum-cellular-automata cells and quantum computing schemes when constructed on hydrogen-terminated silicon surfaces. In this work, we employ ab initio density-functional theory to examine the details associated with the coupling between two dangling bonds sharing one excess electron and arranged in various configurations on models of phosphorous-doped hydrogen-terminated silicon (100) surfaces...
April 21, 2018: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29663706/patient-specific-bioinks-for-3d-bioprinting-of-tissue-engineering-scaffolds
#15
Negar Faramarzi, Iman K Yazdi, Mahboubeh Nabavinia, Andrea Gemma, Adele Fanelli, Andrea Caizzone, Leon M Ptaszek, Indranil Sinha, Ali Khademhosseini, Jeremy N Ruskin, Ali Tamayol
Bioprinting has emerged as a promising tool in tissue engineering and regenerative medicine. Various 3D printing strategies have been developed to enable bioprinting of various biopolymers and hydrogels. However, the incorporation of biological factors has not been well explored. As the importance of personalized medicine is becoming more clear, the need for the development of bioinks containing autologous/patient-specific biological factors for tissue engineering applications becomes more evident. Platelet-rich plasma (PRP) is used as a patient-specific source of autologous growth factors that can be easily incorporated to hydrogels and printed into 3D constructs...
April 16, 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29663448/seroprevalence-molecular-epidemiology-and-quantitation-of-parvovirus-b19-dna-levels-in-iranian-blood-donors
#16
Maryam Zadsar, Arezoo Aghakhani, Mohammad Banifazl, Monireh Kazemimanesh, Seyed Morteza Tabatabaei Yazdi, Setareh Mamishi, Anahita Bavand, Mona Sadat Larijani, Amitis Ramezani
Human parvovirus B19 (B19) infection is common among blood donors, and healthy blood donors can transmit virus via transfusion. Due to resistance of B19 to viral inactivation methods, there is a potential concern regarding transfusion safety in blood products. We aimed to determine the seroprevalence, molecular epidemiology and quantitation of B19 DNA levels in blood donors in Tehran, Iran. 500 blood donors from Blood Transfusion Research Center were studied. ELISA was used for detection of B19 IgG and IgM and nested PCR was carried out for detection of B19 DNA...
April 16, 2018: Journal of Medical Virology
https://www.readbyqxmd.com/read/29657935/a-large-primary-subcutaneous-hydatid-cyst-in-proximal-thigh-an-unusual-localization
#17
Farzaneh Hekmatnia, Mehdi Motififard, Hossein Ahrar Yazdi, Abdellah Maleki Rizi, Pegah Hedayat, Ali Hekmatnia
Primary muscular hydatidosis is a very rare condition with an incidence of 1%-4% in endemic regions. This case report describes an unusual location of hydatid cyst in the sartorius muscle and the application of imaging in its preoperative diagnosis, choosing a treatment strategy, and monitoring.
2018: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29651386/tissue-engineering-in-maxillary-bone-defects
#18
Azizollah Khodakaram-Tafti, Davood Mehrabani, Hanieh Shaterzadeh-Yazdi, Barbad Zamiri, Mahsa Omidi
BACKGROUND: Restoration of craniofacial bone defects has been a concern for oral and maxillofacial surgeons. In this study, the healing effect of fibrin glue scaffold was compared with autologous bone graft in mandibular defects of rabbit. METHODS: Bilateral unicortical osteotomy was performed in the diastema region of 10 male Dutch rabbits. The subjects were randomly divided into 2 equal groups. The mandibular defect on the right side was treated with fibrin glue scaffold and the defect on the left side with autologous bone graft provided from iliac crest...
January 2018: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/29650016/evolution-of-computational-models-in-biomodels-database-and-the-physiome-model-repository
#19
Martin Scharm, Tom Gebhardt, Vasundra Touré, Andrea Bagnacani, Ali Salehzadeh-Yazdi, Olaf Wolkenhauer, Dagmar Waltemath
BACKGROUND: A useful model is one that is being (re)used. The development of a successful model does not finish with its publication. During reuse, models are being modified, i.e. expanded, corrected, and refined. Even small changes in the encoding of a model can, however, significantly affect its interpretation. Our motivation for the present study is to identify changes in models and make them transparent and traceable. METHODS: We analysed 13734 models from BioModels Database and the Physiome Model Repository...
April 12, 2018: BMC Systems Biology
https://www.readbyqxmd.com/read/29645287/seroprevalence-molecular-epidemiology-and-quantitation-of-parvovirus-b19-dna-levels-in-iranian-blood-donors
#20
Maryam Zadsar, Arezoo Aghakhani, Mohammad Banifazl, Monireh Kazemimanesh, Seyed Morteza Tabatabaei Yazdi, Setareh Mamishi, Anahita Bavand, Mona Sadat Larijani, Amitis Ramezani
Human parvovirus B19 (B19) infection is common among blood donors, and healthy blood donors can transmit virus via transfusion. Due to resistance of B19 to viral inactivation methods, there is a potential concern regarding transfusion safety in blood products. We aimed to determine the seroprevalence, molecular epidemiology and quantitation of B19 DNA levels in blood donors in Tehran, Iran. 500 blood donors from Blood Transfusion Research Center were studied. ELISA was used for detection of B19 IgG and IgM and nested PCR was carried out for detection of B19 DNA...
April 12, 2018: Journal of Medical Virology
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