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https://www.readbyqxmd.com/read/28335201/size-and-shape-dependent-antibacterial-studies-of-silver-nanoparticles-synthesized-by-wet-chemical-routes
#1
Muhammad Akram Raza, Zakia Kanwal, Anum Rauf, Anjum Nasim Sabri, Saira Riaz, Shahzad Naseem
Silver nanoparticles (AgNPs) of different shapes and sizes were prepared by solution-based chemical reduction routes. Silver nitrate was used as a precursor, tri-sodium citrate (TSC) and sodium borohydride as reducing agents, while polyvinylpyrrolidone (PVP) was used as a stabilizing agent. The morphology, size, and structural properties of obtained nanoparticles were characterized by scanning electron microscopy (SEM), UV-visible spectroscopy (UV-VIS), and X-ray diffraction (XRD) techniques. Spherical AgNPs, as depicted by SEM, were found to have diameters in the range of 15 to 90 nm while lengths of the edges of the triangular particles were about 150 nm...
April 15, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28332767/bcap31-associated-encephalopathy-and-complex-movement-disorder-mimicking-mitochondrial-encephalopathy
#2
Saleh Albanyan, Amal Al Teneiji, Nasim Monfared, Saadet Mercimek-Mahmutoglu
BCAP31, encoded by BCAP31, is involved in the export of transmembrane proteins from the endoplasmic reticulum. Pathogenic variants in BCAP31 results in global developmental delay, dystonia, deafness and dysmorphic features in males, called deafness, dystonia, and cerebral hypomyelination (DDCH) syndrome. We report a new patient with BCAP3-associated encephalopathy, DDCH syndrome, sensorineural hearing loss, generalized dystonia, and choreoathetosis. This 3.5-year-old boy had microcephaly and failure to thrive within the first 3 months of life...
March 23, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28330135/confamiliar-transferability-of-simple-sequence-repeat-ssr-markers-from-cotton-gossypium-hirsutum-l-and-jute-corchorus-olitorius-l-to-twenty-two-malvaceous-species
#3
Pratik Satya, Pramod Kumar Paswan, Swagata Ghosh, Snehalata Majumdar, Nasim Ali
Cross-species transferability is a quick and economic method to enrich SSR database, particularly for minor crops where little genomic information is available. However, transferability of SSR markers varies greatly between species, genera and families of plant species. We assessed confamiliar transferability of SSR markers from cotton (Gossypium hirsutum) and jute (Corchorus olitorius) to 22 species distributed in different taxonomic groups of Malvaceae. All the species selected were potential industrial crop species having little or no genomic resources or SSR database...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28320483/human-and-feline-adipose-derived-mesenchymal-stem-cells-have-comparable-phenotype-immunomodulatory-functions-and-transcriptome
#4
Kaitlin C Clark, Fernando A Fierro, Emily Mills Ko, Naomi J Walker, Boaz Arzi, Clifford G Tepper, Heather Dahlenburg, Andrew Cicchetto, Amir Kol, Lyndsey Marsh, William J Murphy, Nasim Fazel, Dori L Borjesson
BACKGROUND: Adipose-derived mesenchymal stem cells (ASCs) are a promising cell therapy to treat inflammatory and immune-mediated diseases. Development of appropriate pre-clinical animal models is critical to determine safety and attain early efficacy data for the most promising therapeutic candidates. Naturally occurring diseases in cats already serve as valuable models to inform human clinical trials in oncologic, cardiovascular, and genetic diseases. The objective of this study was to complete a comprehensive side-by-side comparison of human and feline ASCs, with an emphasis on their immunomodulatory capacity and transcriptome...
March 20, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28304261/self-care-motivation-among-patients-with-heart-failure-a-qualitative-study-based-on-orem-s-theory
#5
Ghasem Abotalebidariasari, Robabe Memarian, Zohreh Vanaki, Anoshirvan Kazemnejad, Nasim Naderi
BACKGROUND AND PURPOSE: Initiating and adhering to self-care activities necessitate self-care motivation. This study was undertaken in Iran to explore self-care motivation among patients with heart failure (HF). METHODS: This qualitative study was done in 2014 and 2015. Study participants were patients with HF and their family members who were purposively selected from Shaheed Rajaei Cardiovascular, Medical and Research Center, Tehran, Iran. The study data were collected from December 2014 to May 2015 by doing in-depth semistructured face-to-face interviews and were analyzed via the directed content analysis approach...
November 1, 2016: Research and Theory for Nursing Practice
https://www.readbyqxmd.com/read/28304092/mediation-of-cognitive-function-improvements-by-strength-gains-after-resistance-training-in-older-adults-with-mild-cognitive-impairment-outcomes-of-the-study-of-mental-and-resistance-training
#6
Yorgi Mavros, Nicola Gates, Guy C Wilson, Nidhi Jain, Jacinda Meiklejohn, Henry Brodaty, Wei Wen, Nalin Singh, Bernhard T Baune, Chao Suo, Michael K Baker, Nasim Foroughi, Yi Wang, Perminder S Sachdev, Michael Valenzuela, Maria A Fiatarone Singh
OBJECTIVES: To determine whether improvements in aerobic capacity (VO2peak ) and strength after progressive resistance training (PRT) mediate improvements in cognitive function. DESIGN: Randomized, double-blind, double-sham, controlled trial. SETTING: University research facility. PARTICIPANTS: Community-dwelling older adults (aged ≥55) with mild cognitive impairment (MCI) (N = 100). INTERVENTION: PRT and cognitive training (CT), 2 to 3 days per week for 6 months...
March 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28288273/defect-coupling-and-sub-angstrom-structural-distortions-in-w1-xmoxs2-monolayers
#7
Amin Azizi, Yuanxi Wang, Greg Stone, Ana Laura Elías, Zhong Lin, Mauricio Terrones, Vincent H Crespi, Nasim Alem
Two-dimensional materials offer a remarkably rich materials platform to study the origin of different material behaviors at the atomic level, and doping provides a key means of tailoring such materials' functional properties. The local atomic structure around such dopants can be critically important in determining the material behavior as it could modulate scattering, catalytic activity, electronic and magnetic properties, etc. Here, using aberration-corrected scanning transmission electron microscopy with sub-Ångstrom resolution in conjunction with density functional theory calculations, we demonstrate a strong coupling between Mo dopants and two types of defects in WS2 monolayers: sulfur mono-vacancies and grain boundaries...
March 13, 2017: Nano Letters
https://www.readbyqxmd.com/read/28284485/abnormality-of-regulatory-t-cells-in-common-variable-immunodeficiency
#8
REVIEW
Gholamreza Azizi, Nasim Hafezi, Hamed Mohammadi, Reza Yazdai, Tina Alinia, Marzieh Tavakol, Asghar Aghamohammadi, Abbas Mirshafiey
Common variable immunodeficiency (CVID) is a heterogeneous group of primary antibody deficiencies (PAD) which is defined by recurrent infections, hypogammaglobulinemia and defects in B-cell differentiation into plasma cells and memory B cells. T cell abnormalities have also been described in CVID patients. Several studies reported that Treg frequencies and their functional characteristics are disturbed and might account for the aberrant immune responses observed in CVID patients. The aim of this review is to describe phenotypic and functional characteristics of Treg cells, and to review the literature with respect to the reported Treg defects and its association with the clinical manifestation in CVID...
December 29, 2016: Cellular Immunology
https://www.readbyqxmd.com/read/28280755/clinical-evaluation-of-high-and-low-level-laser-treatment-co2vsingaalp-diode-laser-for-recurrent-aphthous-stomatitis
#9
Nasim Zeini Jahromi, Janan Ghapanchi, Sara Pourshahidi, Maryam Zahed, Hooman Ebrahimi
STATEMENT OF THE PROBLEM: Recurrent aphthous stomatitis (RAS) is one of the most common lesions in the oral cavity. Due to its multifactorial nature, there is no definitive treatment for RAS. Laser therapy is one of the suggested treatments to reduce patient's discomfort. PURPOSE: The purpose of the present clinical trial is to assess the effect of low and high level laser therapy on pain control and wound healing of RAS. MATERIALS AND METHOD: Thirty six patients with minor RAS were divided into three groups...
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28279906/preparation-and-evaluation-of-rhenium-188-pamidronate-as-a-palliative-treatment-in-bone-metastasis
#10
Mostafa Erfani, Nasim Rahmani, Alireza Doroudi, Mohammad Shafiei
OBJECTIVE: Rhenium-188-hydroxyethylidene diphosphonate ((188)Re-HEDP) as a first generation bisphosphonate has been widely used for bone seeking radiopharmaceutical in cases of metastatic bone disease. No study has been yet reported on preparing a complex of (188)Re with pamidronate (3-aminohydroxypropylidene-1,1-bisphosphonic acid) (PMA) as a second generation bisphosphonate. Based on this fact, it was hypothesized that a bone-seeking (188)Re-PMA radiopharmaceutical could be developed as an agent for palliative radiotherapy of bone pain due to skeletal metastases...
February 24, 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/28269049/determining-team-cognition-from-delay-analysis-using-cross-recurrence-plot
#11
Nasim Hajari, Irene Cheng, Bin Zheng, Anup Basu
Team cognition is an important factor in evaluating and determining team performance. Forming a team with good shared cognition is even more crucial for laparoscopic surgery applications. In this study, we analyzed the eye tracking data of two surgeons during a laparoscopic simulation operation, then performed Cross Recurrence Analysis (CRA) on the recorded data to study the delay behaviour for good performer and poor performer teams. Dual eye tracking data for twenty two dyad teams were recorded during a laparoscopic task and then the teams were divided into good performer and poor performer teams based on the task times...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268341/an-ensemble-based-regression-approach-for-continuous-estimation-of-wrist-and-fingers-movements-from-surface-electromyography
#12
Rami Alazrai, Ala Khalifeh, Nasim Alnuman, Deena Alabed, Yaser Mowafi
Late development and evolution of high degree-of-freedom (DOF) robotic hands have seen great technological strides to enhance the quality of life for amputated people. A robust hand kinematic estimation mechanisms have shown promising results to control robotic hands that can mimic the human hand functions and perform daily life hand dexterous tasks. In this paper, we propose an ensemble-based regression approach for continuous estimation of wrist and fingers movements from surface Electromyography (sEMG) signals...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268175/dissemination-of-carbapenem-resistant-acinetobacter-baumannii-in-patients-with-burn-injuries
#13
Saeed Shoja, Mojtaba Moosavian, Soodabeh Rostami, Abbas Farahani, Amir Peymani, Khadijeh Ahmadi, Nasim Ebrahimifard
BACKGROUND: Carbapenem-resistant Acinetobacter baumannii has emerged as an important cause of infection in burn patients. This study aimed to characterize the antimicrobial susceptibility pattern, determine the prevalence of oxacillinase and metallo-beta-lactamase (MBL) genes, and type the A. baumannii isolates obtained from burn patients. METHODS: During a 1-year period, a total of 40 nonduplicated isolates of A. baumannii were obtained from burn patients who were hospitalized in the Taleghani Burn Hospital in Ahvaz, in the southwest of Iran...
March 3, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28261246/possible-role-of-mads-affecting-flowering-3-and-b-box-domain-protein-19-in-flowering-time-regulation-of-arabidopsis-mutants-with-defects-in-nonsense-mediated-mrna-decay
#14
Zeeshan Nasim, Muhammad Fahim, Ji Hoon Ahn
Eukaryotic cells use nonsense-mediated mRNA decay (NMD) to clear aberrant mRNAs from the cell, thus preventing the accumulation of truncated proteins. In Arabidopsis, two UP-Frameshift (UPF) proteins, UPF1 and UPF3, play a critical role in NMD. Although deficiency of UPF1 and UPF3 leads to various developmental defects, little is known about the mechanism underlying the regulation of flowering time by NMD. Here, we showed that the upf1-5 and upf3-1 mutants had a late-flowering phenotype under long-day conditions and the upf1-5 upf3-1 double mutants had an additive effect in delaying flowering time...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28254762/risk-stratification-of-survival-in-injured-patients-with-cardiopulmonary-resuscitation-within-the-first-hour-of-arrival-to-trauma-centre-retrospective-analysis-from-the-national-trauma-data-bank
#15
Nasim Ahmed, Patricia Greenberg, Victor M Johnson, John Mihran Davis
BACKGROUND: The purpose of this study was to evaluate overall survival and associated survival factors for patients with trauma who had cardiopulmonary resuscitation (CPR) within 1 hour after arrival to a hospital. METHODS: Retrospective patient data was retrieved from the 2007-2010 edition of the US National Trauma Data Bank. Inhospital survival was the primary outcome; only patients with a known outcome were included in the analysis. Summary statistics and univariate analyses were first reported...
March 2, 2017: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/28251827/muscle-wasting-in-young-patients-with-dilated-cardiomyopathy
#16
Marjan Hajahmadi, Sara Shemshadi, Ehsan Khalilipur, Ahmad Amin, Sepideh Taghavi, Majid Maleki, Hadi Malek, Nasim Naderi
BACKGROUND: Muscle wasting can be accelerated by chronic diseases such as heart failure and is one of the major causes of disability, morbidity, and mortality in this population. We aimed to investigate the incidence of muscle wasting and its associated factors in dilated cardiomyopathy patients younger than 55 years of age. METHODS: Between April 2014 and December 2015, all symptomatic patients with a diagnosis of non-ischaemic dilated cardiomyopathy who were referred to heart failure clinic were included in our study...
March 1, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/28249746/the-evaluation-of-cultivable-microbiota-profile-in-patients-with-secondary-endodontic-infection-before-and-after-photo-activated-disinfection
#17
Maryam Pourhajibagher, Roghayeh Ghorbanzadeh, Steven Parker, Nasim Chiniforush, Abbas Bahador
BACKGROUND: Secondary/persistent endodontic infection can be the outcome of failure of endodontic treatment. Photo-activated disinfection (PAD) can be a useful adjunct to mechanical and antimicrobial agents in eliminating endopathogenic microorganisms. In this study, we evaluated the effect of PAD on diversity and count of microbiota related to secondary/persistent endodontic infections. MATERIALS AND METHODS: Root canal samples were taken using sterile paper points from the root canals of 14 patients with secondary/persistent endodontic infections after removing the root-canal filling materials...
February 26, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28249305/impact-of-early-decompressive-craniectomy-following-blunt-traumatic-brain-injury-on-mortality-propensity-matched-analysis
#18
Nasim Ahmed
Background The purpose of this study was to evaluate the impact of the early craniectomy on mortality. Hypothesis Early craniectomy within 4 hours of hospital arrival will reduce in-hospital mortality. Methods Data were retrieved from the National Trauma Data Bank data set (RDS_2007-RDS_2010). All craniectomies performed on patients with a blunt mechanism of head injury within 24 hours of admission were included in the study. In-hospital mortality was the main outcome of interest. Results A total of 942 patients qualified for the study...
March 1, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28246530/an-undiagnosed-case-of-hypothalamic-hamartoma-with-a-rare-presentation
#19
Shervin Badihian, Saeideh Bahrani, Nasim Tabrizi, Houshang Moein, Mohammad Zare, Majid Barekatain, Reza Basiratnia, Elham Rahimian, Amirali Mehvari Habibabadi, Payam Moein, Jafar Mehvari Habibabadi
Background. Hypothalamic hamartomas (HHs) are rare tumor-like malformations that may present with complex partial seizures refractory to anticonvulsants in adulthood. The condition may be misdiagnosed because of rarity. Case Presentation. We report a 25-year-old man with complaint of seizures presented by falling, tonic spasm of limbs, oral automatism, vocalization, and hypermotor activities. His seizures started at the age of one month and presented as eye deviation and upper limbs myoclonic jerk, followed by frequent seizures with variable frequency...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28240821/-invited-review-genetic-research-on-alcohol-use-outcomes-in-african-american-populations-a-review-of-the-literature-associated-challenges-and-implications
#20
REVIEW
Danielle M Dick, Peter Barr, Mignonne Guy, Aashir Nasim, Denise Scott
BACKGROUND AND OBJECTIVES: There have been remarkable advances in understanding genetic influences on complex traits; however, individuals of African descent have been underrepresented in genetic research. METHODS: We review the limitations of existing genetic research on alcohol phenotypes in African Americans (AA) including both twin and gene identification studies, possible reasons for underrepresentation of AAs in genetic research, the implications of the lack of racially diverse samples, and special considerations regarding conducting genetic research in AA populations...
February 27, 2017: American Journal on Addictions
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