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Nasim Hajari, Irene Cheng, Bin Zheng, Anup Basu, Nasim Hajari, Irene Cheng, Bin Zheng, Anup Basu, Bin Zheng, Anup Basu, Nasim Hajari, Irene Cheng
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
Rami Alazrai, Ala Khalifeh, Nasim Alnuman, Deena Alabed, Yaser Mowafi, Rami Alazrai, Ala Khalifeh, Nasim Alnuman, Deena Alabed, Yaser Mowafi, Nasim Alnuman, Rami Alazrai, Ala Khalifeh, Yaser Mowafi, Deena Alabed
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
Maryam Pourhajibagher, Abbas Monzavi, Nasim Chiniforush, Mohammad Moein Monzavi, Shaghayegh Sobhani, Sima Shahabi, Abbas Bahador
BACKGROUND: Aggregatibacter actinomycetemcomitans is an etiological agent of both chronic and aggressive periodontitis. Dissemination of A. actinomycetemcomitans from the oral cavity and initiation of systemic infections has led to new approaches for treatment being needed. In this study, a series of experiments presented investigated the effect of methylene blue (MB)-mediated antimicrobial photodynamic therapy (aPDT) on cell viability and expression of fimbria-associated gene (rcpA) in A...
February 16, 2017: Photodiagnosis and Photodynamic Therapy
Marian Grman, Muhammad Jawad Nasim, Roman Leontiev, Anton Misak, Veronika Jakusova, Karol Ondrias, Claus Jacob
Since the heydays of Reactive Sulfur Species (RSS) research during the first decade of the Millennium, numerous sulfur species involved in cellular regulation and signalling have been discovered. Yet despite the general predominance of organic species in organisms, recent years have also seen the emergence of inorganic reactive sulfur species, ranging from inorganic polysulfides (HSx(-)/Sx(2-)) to thionitrous acid (HSNO) and nitrosopersulfide (SSNO(-)). These inorganic species engage in a complex interplay of reactions in vitro and possibly also in vivo...
February 15, 2017: Antioxidants (Basel, Switzerland)
Shakeel Ahmad, Qaiser Abbas, Ghulam Abbas, Zartash Fatima, Atique-Ur-Rehman, Sahrish Naz, Haseeb Younis, Rana Jahanzeb Khan, Wajid Nasim, Muhammad Habib Ur Rehman, Ashfaq Ahmad, Ghulam Rasul, Muhammad Azam Khan, Mirza Hasanuzzaman
Understanding the impact of the warming trend on phenological stages and phases of cotton (Gossypium hirsutum L.) in central and lower Punjab, Pakistan, may assist in optimizing crop management practices to enhance production. This study determined the influence of the thermal trend on cotton phenology from 1980-2015 in 15 selected locations. The results demonstrated that observed phenological stages including sowing (S), emergence (E), anthesis (A) and physiological maturity (M) occurred earlier by, on average, 5...
February 10, 2017: Plants (Basel, Switzerland)
Sara Ramezani, Nasim Vousooghi, Fatemeh Ramezani Kapourchali, Mahmoudreza Hadjighasem, Parisa Hayat, Naser Amini, Mohammad Taghi Joghataei
AIMS: Glioblastoma cancer stem-like cells (GCSCs) promote themselves proliferation by secreting the vascular endothelial growth factor A (VEGFA) in an autocrine manner, positively regulated by phosphodiesterase IV (PDE4). In the current study, we investigated the putative cytotoxic effect of bevacizumab, a VEGFA blocker, alone and in combination with a specific inhibitor of PDE4 called rolipram on GCSCs isolated from human surgical tumor specimen with a focus on PI3K/AKT pathway. MAIN METHODS: CD133+/CD15+ GCSCs were characterized by flow cytometry and expanded in a serum-free primary culture system...
February 12, 2017: Life Sciences
Hossein Hassanian-Moghaddam, Nasim Zamani
No abstract text is available yet for this article.
January 2017: Indian Journal of Critical Care Medicine
Vahid Karami, Mansour Zabihzadeh, Nasim Shams, Amal Saki Malehi
BACKGROUND: Gonad shielding has been extensively advocated during pelvic radiography at or below reproductive ages. The popular practice of gonad shielding is placement of a lead shield in the midline of the pelvis. The aim of this study was to address the prevalence of gonad shielding and find out whether the current practice of gonad shielding can be considered as an effective method to reduce radiation exposure in patients undergoing pelvic radiography. METHODS: National and international electronic databases, including PubMed, MEDLIN, EMBASE, and Google-Scholar, were searched up to January 2016...
February 1, 2017: Archives of Iranian Medicine
Abdolkarim Pajoumand, Nasim Zamani, Hossein Hassanian-Moghaddam, Shahin Shadnia
PURPOSE: We aimed to evaluate the efficacy of Lachance formula and more readily available clinical or laboratory factors (other than serum methanol level) in prediction of the needed time for hemodialysis in methanol-poisoned patients. METHODS: In a retrospective study, all methanol-poisoned patients referred to us between March 2008 and March 2016 were enrolled. The patients' demographic characteristics, on-arrival vital signs, signs/symptoms, and laboratory tests were evaluated for factors that could prognosticate the dialysis duration...
February 6, 2017: International Urology and Nephrology
Joshua Young, Eun Ju Moon, Debangshu Mukherjee, Greg Stone, Venkatraman Gopalan, Nasim Alem, Steven J May, James M Rondinelli
One synthetic modality for materials discovery proceeds by forming mixtures of two or more compounds. In transition metal oxides (TMOs), chemical substitution often obeys Vegard's principle, and the resulting structure and properties of the derived phase follow from its components. A change in the assembly of the components into a digital nanostructure, however, can stabilize new polymorphs and properties not observed in the constituents. Here we formulate and demonstrate a crystal-chemistry design approach for realizing digital TMOs without inversion symmetry by combining two centrosymmetric compounds, utilizing periodic anion-vacancy order to generate multiple polyhedra that together with cation order produce a polar structure...
February 15, 2017: Journal of the American Chemical Society
Reza Ghanbarpour, Nasrin Askari, Masoud Ghorbanpour, Yahya Tahamtan, Khoobyar Mashayekhi, Narjes Afsharipour, Nasim Darijani
The aim of the present study was to determine the analysis of virulence genes and antimicrobial profile of diarrheagenic Escherichia coli isolated from diseased lambs. Two hundred ninety E. coli isolates were recovered from 300 rectal swabs of diarrheic lambs and were confirmed by biochemical tests. The pathotype determination was done according to the presence of genes including f5, f41, LTI, STI, bfp, ipaH, stx 1 , stx 2 , eae, ehlyA, cnf 1 , cnf 2 , cdIII, cdIV, and f17 by PCR method. Sixty-six isolates (23...
February 4, 2017: Tropical Animal Health and Production
Hao Cheng, Kan Yue, Mehdi Kazemzadeh-Narbat, Yanhui Liu, Akbar Khalilpour, Bingyun Li, Yu Shrike Zhang, Nasim Annabi, Ali Khademhosseini
Prevention of post-surgery infection and promotion of bio-integration are the key factors to achieve long-term success in orthopaedic implants. Localized delivery of antibiotics and bioactive molecules by the implant surface serves as a promising approach towards these goals. However, previously reported methods for surface functionalization of the titanium (Ti) alloy implants to load bioactive ingredients suffer from time-consuming complex processes and lack of long-term stability. Here, we present the design and characterization of an adhesive, osteoconductive, and antimicrobial hydrogel coating for Ti implants...
January 31, 2017: ACS Applied Materials & Interfaces
Thorsten Beier, Constantin Pape, Nasim Rahaman, Timo Prange, Stuart Berg, Davi D Bock, Albert Cardona, Graham W Knott, Stephen M Plaza, Louis K Scheffer, Ullrich Koethe, Anna Kreshuk, Fred A Hamprecht
No abstract text is available yet for this article.
January 31, 2017: Nature Methods
Zarghoona Khalil, Babur Salim, Amjad Nasim, Sakina Malik
OBJECTIVE: To determine the level of disease awareness among patients of rheumatoid arthritis. METHODS: The cross-sectional study was conducted at the Fauji Foundation Hospital, Rawalpindi, Pakistan, from January to June 2015, and comprised patients with rheumatoid arthritis. A self-made questionnaire was used which was translated in Urdu. The questionnaire had three sets of questions. The first set gathered information on the gender, age, level of education and the duration of the disease of the patient...
February 2017: JPMA. the Journal of the Pakistan Medical Association
Markus Riessland, Anna Kaczmarek, Svenja Schneider, Kathryn J Swoboda, Heiko Löhr, Cathleen Bradler, Vanessa Grysko, Maria Dimitriadi, Seyyedmohsen Hosseinibarkooie, Laura Torres-Benito, Miriam Peters, Aaradhita Upadhyay, Nasim Biglari, Sandra Kröber, Irmgard Hölker, Lutz Garbes, Christian Gilissen, Alexander Hoischen, Gudrun Nürnberg, Peter Nürnberg, Michael Walter, Frank Rigo, C Frank Bennett, Min Jeong Kye, Anne C Hart, Matthias Hammerschmidt, Peter Kloppenburg, Brunhilde Wirth
Homozygous SMN1 loss causes spinal muscular atrophy (SMA), the most common lethal genetic childhood motor neuron disease. SMN1 encodes SMN, a ubiquitous housekeeping protein, which makes the primarily motor neuron-specific phenotype rather unexpected. SMA-affected individuals harbor low SMN expression from one to six SMN2 copies, which is insufficient to functionally compensate for SMN1 loss. However, rarely individuals with homozygous absence of SMN1 and only three to four SMN2 copies are fully asymptomatic, suggesting protection through genetic modifier(s)...
February 2, 2017: American Journal of Human Genetics
Zahra Sajjadiyan, Nasim Cheraghi, Sarah Mohammadinejad, Leila Hassani
Antibacterial peptides have potential as novel therapeutic agents for bacterial infections. Aurein 1.2 is one of the smallest antibacterial peptides extracted from an anuran. LLAA is a more active analogue of aurein 1.2. Antibacterial peptides usually accomplish their function by interacting with bacterial membrane selectively. In this study, we tried to find the reasons for the stronger antibacterial activity of LLAA compared with aurein 1.2. For this purpose, the interaction of aurein 1.2 and LLAA with dipalmitoylphosphatidylcholine (DPPC) was investigated by molecular dynamics (MD) simulation...
January 28, 2017: Journal of Biological Physics
Manisha Notay, Faranak Kamangar, Smita Awasthi, Nasim Fazel
We report a case of an increasing number of discrete patches of darkly pigmented terminal hair in a patient with nevoid basal cell carcinoma syndrome. This case adds to a small case series of three patients which have previously reported this observation. We report this case to highlight hairy patches as an important clinical feature associated with nevoid basal cell carcinoma syndrome.
January 25, 2017: Pediatric Dermatology
Gregory A Lamaris, Rebecca Knackstedt, Rafael A Couto, Nasim Abedi, Paul Durand, Brian Gastman
INTRODUCTION: Large scalp soft tissue defects can present difficulties with reconstruction. The ideal flap for scalp reconstruction has yet to be described although the latissimus dorsi flap is frequently referred to as the first choice in this setting. PATIENTS AND METHODS: Following institutional review board approval, the authors reviewed their experience in scalp reconstruction for the past 4 years. Patient demographics, reconstruction indication, flap choice, complications, and outcomes were recorded...
January 20, 2017: Journal of Craniofacial Surgery
Vahid Zakeri, Alireza Akhbardeh, Nasim Alamdari, Reza Fazel-Rezai, Mikko Paukkunen, Kouhyar Tavakolian
GOAL: The objective of this study was to develop a method to identify respiratory phases (i.e., inhale or exhale) of seismocardiogram (SCG) cycles. An SCG signal is obtained by placing an accelerometer on the sternum to capture cardiac vibrations. METHODS: SCGs from 19 healthy subjects were collected, preprocessed, segmented, and labeled. To extract the most important features, each SCG cycle was divided to equalsized bins in time and frequency domains, and the average value of each bin was defined as a feature...
October 26, 2016: IEEE Transactions on Bio-medical Engineering
Ignacio Caballero, James Boyd, Carmen Almiñana, Javier A Sánchez-López, Shaghayegh Basatvat, Mehrnaz Montazeri, Nasim Maslehat Lay, Sarah Elliott, David G Spiller, Michael R H White, Alireza Fazeli
Toll-like receptors (TLRs) are major players of the innate immune system. Once activated, they trigger a signalling cascade that leads to NF-κB translocation from the cytoplasm to the nucleus. Single cell analysis shows that NF-κB signalling dynamics are a critical determinant of transcriptional regulation. Moreover, the outcome of innate immune response is also affected by the cross-talk between TLRs and estrogen signalling. Here, we characterized the dynamics of TLR5 signalling, responsible for the recognition of flagellated bacteria, and those changes induced by estradiol in its signalling at the single cell level...
January 23, 2017: Scientific Reports
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