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https://www.readbyqxmd.com/read/29327181/correction-to-promising-antibacterial-effects-of-silver-nanoparticle-loaded-tea-tree-oil-nanoemulsion-a-synergistic-combination-against-resistance-threat
#1
Roqya Najafi-Taher, Behnaz Ghaemi, Sharmin Kharrazi, Samira Rasoulikoohi, Amir Amani
With regrets, there is an error in the name of one of the authors which has only been noticed after publication.
January 11, 2018: AAPS PharmSciTech
https://www.readbyqxmd.com/read/29286754/light-induced-fractional-quantum-hall-phases-in-graphene
#2
Areg Ghazaryan, Tobias Graß, Michael J Gullans, Pouyan Ghaemi, Mohammad Hafezi
We show how to realize two-component fractional quantum Hall phases in monolayer graphene by optically driving the system. A laser is tuned into resonance between two Landau levels, giving rise to an effective tunneling between these two synthetic layers. Remarkably, because of this coupling, the interlayer interaction at nonzero relative angular momentum can become dominant, resembling a hollow-core pseudopotential. In the weak tunneling regime, this interaction favors the formation of singlet states, as we explicitly show by numerical diagonalization, at fillings ν=1/2 and ν=2/3...
December 15, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29284560/the-vocal-cord-dysfunction-questionnaire-validity-and-reliability-of-the-persian-version
#3
Hamide Ghaemi, Seyyedeh Maryam Khoddami, Zahra Soleymani, Fariborz Zandieh, Shohreh Jalaie, Hamid Ahanchian, Ehsan Khadivi
OBJECTIVES: The aim of this study was to develop, validate, and assess the reliability of the Persian version of Vocal Cord Dysfunction Questionnaire (VCDQP). STUDY DESIGN: The study design was cross-sectional or cultural survey. MATERIALS AND METHODS: Forty-four patients with vocal fold dysfunction (VFD) and 40 healthy volunteers were recruited for the study. To assess the content validity, the prefinal questions were given to 15 experts to comment on its essential...
December 25, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29277631/a-proteomic-clock-of-human-pregnancy
#4
Nima Aghaeepour, Benoit Lehallier, Quentin Baca, Ed A Ganio, Ronald J Wong, Mohammad S Ghaemi, Anthony Culos, Yasser Y El-Sayed, Yair J Blumenfeld, Maurice L Druzin, Virginia D Winn, Ronald S Gibbs, Rob Tibshirani, Gary M Shaw, David K Stevenson, Brice Gaudilliere, Martin S Angst
BACKGROUND: Early detection of maladaptive processes underlying pregnancy-related pathologies is desirable, as it will enable targeted interventions ahead of clinical manifestations. The quantitative analysis of plasma proteins features prominently among molecular approaches used to detect deviations from normal pregnancy. However, derivation of proteomic signatures sufficiently predictive of pregnancy-related outcomes has been challenging. An important obstacle hindering such efforts were limitations in assay technology, which prevented the broad examination of the plasma proteome...
December 22, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29218583/promising-antibacterial-effects-of-silver-nanoparticle-loaded-tea-tree-oil-nanoemulsion-a-synergistic-combination-against-resistance-threat
#5
Roqya Najafi-Taher, Behnaz Ghaemi, Sharmin Kharazi, Samira Rasoulikoohi, Amir Amani
Highly resistant pathogens may be developed in patients with immune disorders after prolonged exposure to antibiotics, a growing threat worldwide. In order to overcome these problems, this study introduces a new class of engineered nanosystems comprising of tea tree oil nanoemulsion (TTO NE) loaded with Ag nanoparticles (NPs). Silver shows a strong toxicity towards a wide range of microorganisms. Also, TTO NE could be employed as a promising and safe antimicrobial agent for local therapies of bacterial infections...
December 7, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/29204194/synaptogenesis-in-the-cerebellum-of-offspring-born-to-diabetic-mothers
#6
REVIEW
Javad Hami, Saeed Vafaei-Nezhad, Akram Sadeghi, Kazem Ghaemi, Mohammad-Mahdi Hasanzadeh Taheri, Mohammad Fereidouni, Ghasem Ivar, Mehran Hosseini
There is increasing evidence that maternal diabetes mellitus during the pregnancy is associated with a higher risk of neurodevelopmental and neurofunctional anomalies including motor dysfunctions, learning deficits, and behavioral problems in offspring. The cerebellum is a part of the brain that has long been recognized as a center of movement balance and motor coordination. Moreover, recent studies in humans and animals have also implicated the cerebellum in cognitive processing, sensory discrimination, attention, and learning and memory...
July 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/29189886/antiurolithiatic-effect-of-the-taraxasterol-on-ethylene-glycol-induced-kidney-calculi-in-male-rats
#7
Mahboubeh Yousefi Ghale-Salimi, Maryam Eidi, Nasser Ghaemi, Ramezan Ali Khavari-Nejad
Taraxasterol is one of the important constituents of Taraxacum officinale L. (Compositae) with antioxidant potential. The present study was designed to evaluate and compare the antiurolithiatic effects of taraxasterol and potassium citrate in the ethylene glycol induced urolithiatic rat. Urolithiasis was induced by ammonium chloride and ethylene glycol in adult male rats. Taraxasterol (2, 4 and 8 mg/kg) and potassium citrate (2.5 g/kg) were treated for 33 days by gavage. Then, the animals were anesthetized and weighted and blood, urine, liver and kidney sampling were done...
November 30, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29149434/enhancement-of-therapeutic-dna-vaccine-potency-by-melatonin-through-inhibiting-vegf-expression-and-induction-of-antitumor-immunity-mediated-by-cd8-t-cells
#8
Sanaz Baghban Rahimi, Alireza Mohebbi, Gelareh Vakilzadeh, Peyvand Biglari, Soodeh Razeghi Jahromi, Seyed Reza Mohebi, Sadegh Shirian, Ali Gorji, Amir Ghaemi
To be effective, therapeutic cancer vaccines should stimulate both an effective cell-mediated and a robust cytotoxic CD8+ T-cell response against human papillomavirus (HPV)-infected cells to treat the pre-existing tumors and prevent potential future tumors. In this study, the therapeutic experiments were designed in order to evaluate antitumor effect against the syngeneic TC-1 tumor model. The anti-tumor efficacy of a HPV-16 E7 DNA vaccine adjuvanted with melatonin (MLT) was evaluated in a C57BL/6 mouse tumor model by measuring tumor growth post vaccination and the survival rate of tumor-bearing mice, analyzing the specific lymphocyte proliferation responses in control and vaccinated mice by MTT assay...
November 17, 2017: Archives of Virology
https://www.readbyqxmd.com/read/29134548/a-didactic-course-on-philosophy-of-psychiatry-for-psychiatry-residents
#9
Awais Aftab, S Nassir Ghaemi, Susan Stagno
No abstract text is available yet for this article.
November 13, 2017: Academic Psychiatry
https://www.readbyqxmd.com/read/29126466/graphene-grown-on-stainless-steel-mesh-as-a-highly-efficient-sorbent-for-sorptive-microextraction-of-polycyclic-aromatic-hydrocarbons-from-water-samples
#10
Amirhassan Amiri, Ferial Ghaemi
In this study, graphene grown on stainless steel mesh efficiently incorporates the advanced properties of graphene in the form of an ultra-thin coating with the open geometry of the substrate, resulting in a highly sensitive and fast sorptive device capable of extracting target analytes directly from sample matrices. The synthesis of graphene on the stainless steel mesh was confirmed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The advantages of the new microextraction device have been investigated for the determination of polycyclic aromatic hydrocarbons (PAHs) in environmental water samples in combination with gas chromatography-flame ionization detector (GC-FID)...
November 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29098171/the-mars-science-laboratory-msl-mast-cameras-and-descent-imager-investigation-and-instrument-descriptions
#11
Michal C Malin, Michael A Ravine, Michael A Caplinger, F Tony Ghaemi, Jacob A Schaffner, Justin N Maki, James F Bell, James F Cameron, William E Dietrich, Kenneth S Edgett, Laurence J Edwards, James B Garvin, Bernard Hallet, Kenneth E Herkenhoff, Ezat Heydari, Linda C Kah, Mark T Lemmon, Michelle E Minitti, Timothy S Olson, Timothy J Parker, Scott K Rowland, Juergen Schieber, Ron Sletten, Robert J Sullivan, Dawn Y Sumner, R Aileen Yingst, Brian M Duston, Sean McNair, Elsa H Jensen
The Mars Science Laboratory Mast camera and Descent Imager investigations were designed, built, and operated by Malin Space Science Systems of San Diego, CA. They share common electronics and focal plane designs but have different optics. There are two Mastcams of dissimilar focal length. The Mastcam-34 has an f/8, 34 mm focal length lens, and the M-100 an f/10, 100 mm focal length lens. The M-34 field of view is about 20° × 15° with an instantaneous field of view (IFOV) of 218 μrad; the M-100 field of view (FOV) is 6...
August 2017: Earth and Space Science (Hoboken, N.J.)
https://www.readbyqxmd.com/read/29082033/maintenance-efficacy-designs-in-psychiatry-randomized-discontinuation-trials-enriched-but-not-better
#12
REVIEW
S N Ghaemi, Harry P Selker
INTRODUCTION: Although classical randomized clinical trials (RCTs) are the gold standard for proof of drug efficacy, randomized discontinuation trials (RDTs), sometimes called "enriched" trials, are used increasingly, especially in psychiatric maintenance studies. METHODS: A narrative review of two decades of experience with RDTs. RESULTS: RDTs in psychiatric maintenance trials tend to use a dependent variable as a predictor: treatment response...
June 2017: Journal of Clinical and Translational Science
https://www.readbyqxmd.com/read/29072182/social-challenges-of-contemporary-psychiatry
#13
N Bouras
Psychiatry and society are interrelated and the biopsychosocial model continues to dominate the clinical psychiatric practice. Some doubts have been expressed in recent years about the value and the wide acceptance of the biopsychosocial model. Ghaemi (2009)1 considers it to be anti-humanistic and advocates the use of less eclectic, less generic, and less vague alternatives. The fundamental changes that have been witnessed in our times across the spectrum of biology, psychology and sociology have made necessary that a conceptual clarity should prevail...
July 2017: Psychiatrikē, Psychiatriki
https://www.readbyqxmd.com/read/29058002/a-microfluidic-microinjector-for-toxicological-and-developmental-studies-in-drosophila-embryos
#14
Reza Ghaemi, Pouya Arefi, Ana Stosic, Meryl Acker, Qanber Raza, J Roger Jacobs, Ponnambalam Ravi Selvaganapathy
Microinjection is an established and reliable method to deliver biological reagents such as transgenic constructs and drugs, to specific locations inside organisms such as the Drosophila embryo and C. elegans worm. In this paper, a simple compliant mechanism based PDMS-microinjection system has been demonstrated. Unlike conventional microinjectors, this unique system could allow one to precisely insert a long taper microneedle laterally and at various positions inside the length of the Drosophila embryo (up to 250 μm) with the resolution of 5 μm...
November 7, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/29045140/the-conformational-change-in-elongation-factor-tu-involves-separation-of-its-domains
#15
Jonathan Lai, Zhaleh Ghaemi, Zaida Luthey-Schulten
Elongation factor Tu (EF-Tu) is a highly conserved GTPase that is responsible for supplying the aminoacylated tRNA to the ribosome. Upon binding to the ribosome, EF-Tu undergoes GTP hydrolysis, which drives a major conformational change, triggering the release of aminoacylated tRNA to the ribosome. Using a combination of molecular simulation techniques, we studied the transition between the pre- and post-hydrolysis structures through two distinct pathways. We show that the transition free energy is minimal along a non-intuitive pathway that involves "separation" of the GTP binding domain (domain 1) from the OB folds (domains 2 and 3), followed by domain 1 rotation, and, eventually, locking the EF-Tu conformation in the post-hydrolysis state...
October 27, 2017: Biochemistry
https://www.readbyqxmd.com/read/29044139/diabetes-in-iran-prospective-analysis-from-first-nationwide-diabetes-report-of-national-program-for-prevention-and-control-of-diabetes-nppcd-2016
#16
Alireza Esteghamati, Bagher Larijani, Mohammad Haji Aghajani, Fatemeh Ghaemi, Jamshid Kermanchi, Ali Shahrami, Mohammad Saadat, Ensieh Nasli Esfahani, Morsaleh Ganji, Sina Noshad, Elias Khajeh, Alireza Ghajar, Behnam Heidari, Mohsen Afarideh, Jeffrey I Mechanick, Faramarz Ismail-Beigi
We estimated proportions of different types of diabetes, comorbidities, treatment (the use of oral glucose-lowering agents and insulin), control (hyperglycemia, dyslipidemia and hypertension) and chronic microvascular and macrovascular complications among people with diabetes presenting to the tertiary-care academic diabetes outpatient clinics in Iran. This study is the prospective analysis of data (n = 30,202) from the registry of university-affiliated adult outpatient diabetes clinics in the country during 2015-2016...
October 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28987245/the-effect-of-relaxation-on-mother-s-anxiety-and-maternal-fetal-attachment-in-primiparous-ivf-mothers
#17
Monireh Toosi, Marzieh Akbarzadeh, Zahra Ghaemi
OBJECTIVES: Infertility is one of the main stressful events of life and a crisis affecting various dimensions of infertile couples' lives. Relaxation, as a strategy, can be effective in the individuals' resistance to stress and anxiety. Therefore, the present study aimed to assess the effect of relaxation on mother's anxiety and maternal-fetal attachment in primiparous women who used In Vitro Fertilization (IVF) to get pregnant. METHODS: In this clinical trial, 80 primiparous women who had used IVF to get pregnant were randomly divided into a control and an intervention group...
2017: Journal of the National Medical Association
https://www.readbyqxmd.com/read/28967391/indirect-predictive-type-2-fuzzy-neural-network-controller-for-a-class-of-nonlinear-input-delay-systems
#18
Kamel Sabahi, Sehraneh Ghaemi, Jianxing Liu, Mohammad Ali Badamchizadeh
In this paper a new indirect type-2 fuzzy neural network predictive (T2FNNP) controller has been proposed for a class of nonlinear systems with input-delay in presence of unknown disturbance and uncertainties. In this method, the predictor has been utilized to estimate the future state variables of the controlled system to compensate for the time-varying delay. The T2FNN is used to estimate some unknown nonlinear functions to construct the controller. By introducing a new adaptive compensator for the predictor and controller, the effects of the external disturbance, estimation errors of the unknown nonlinear functions, and future sate estimation errors have been eliminated...
September 26, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28914948/nanotopography-mediated-osteogenic-differentiation-of-human-dental-pulp-derived-stem-cells
#19
Akash Bachhuka, Bahman Delalat, Soraya Rasi Ghaemi, Stan Gronthos, Nicolas H Voelcker, Krasimir Vasilev
Advanced medical devices, treatments and therapies demand an understanding of the role of interfacial properties on the cellular response. This is particularly important in the emerging fields of cell therapies and tissue regeneration. In this study, we evaluate the role of surface nanotopography on the fate of human dental pulp derived stem cells (hDPSC). These stem cells have attracted interest because of their capacity to differentiate to a range of useful lineages but are relatively easy to isolate. We generated and utilized density gradients of gold nanoparticles which allowed us to examine, on a single substrate, the influence of nanofeature density and size on stem cell behavior...
September 28, 2017: Nanoscale
https://www.readbyqxmd.com/read/28894784/blood-lead-levels-in-asymptomatic-opium-addict-patients-a-case-control-study
#20
Kazem Ghaemi, Atefeh Ghoreishi, Navid Rabiee, Samira Alinejad, Esmaeil Farzaneh, Alireza Amirabadi Zadeh, Mohammad Abdollahi, Omid Mehrpour
INTRODUCTION: One of the newest non-occupational sources of lead contamination is drug addiction, which has recently been addressed as a major source of lead poisoning in some countries. The present study aimed to investigate the blood lead level (BLL) of asymptomatic opium addicts. METHODS: This case-control study was conducted during a one-year period to compare BLL of three groups consisting of opium addicts, patients under methadone maintenance therapy (MMT), and healthy individuals...
2017: Emergency (Tehran, Iran)
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