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https://www.readbyqxmd.com/read/27911466/transparent-nanofibrous-mesh-self-assembled-from-molecular-legos-for-high-efficiency-air-filtration-with-new-functionalities
#1
Varun Kumar Singh, Sai Kishore Ravi, Wanxin Sun, Swee Ching Tan
Alarming levels of particulate matter pollution in air pose a serious health threat in several countries, therefore intriguing a strong need for an economic and a viable technology of air filtration. Current air purification technology is rather expensive with certain types even having the risk of emitting hazardous by-products. The authors have developed a multifunctional air filter inspired from the nasal hairs possessing an ability to specifically trap/exhale the foreign particles and allergens while still letting the air flow...
December 2, 2016: Small
https://www.readbyqxmd.com/read/27910742/review-article-fabricated-microparticles-an-innovative-method-to-minimize-the-side-effects-of-nsaids-in-arthritis
#2
Shaivad Shabee Hulhasan Abadi, Afrasim Moin, Gangadharappa Hosahalli Veerabhadrappa
Microparticles are polymeric bodies ranging 1-1000 µm that constitute a variety of forms such as microcapsules, microspheres, microcages, microshells, microrods, biosensors microparticles, radiolabeled microparticles, and so forth. This review focuses on general microparticles, mainly microcapsules and microspheres. Nonsteriodal anti-inflammatory drugs (NSAIDs) are one of the mostcommonly prescribed medications in the world. Most of the NSAIDs available have severe side effects. With increased awareness of NSAID-induced gastrointestinal (GI) side effects, safety has become a priority in treatment of arthritis and other inflammatory diseases with NSAIDs...
2016: Critical Reviews in Therapeutic Drug Carrier Systems
https://www.readbyqxmd.com/read/27910264/vaccination-against-h9n2-avian-influenza-virus-reduces-bronchus-associated-lymphoid-tissue-formation-in-cynomolgus-macaques-after-intranasal-virus-challenge-infection
#3
Misako Nakayama, Hiroichi Ozaki, Yasushi Itoh, Kosuke Soda, Hirohito Ishigaki, Masatoshi Okamatsu, Yoshihiro Sakoda, Chun-Ho Park, Hideaki Tsuchiya, Hiroshi Kida, Kazumasa Ogasawara
H9N2 avian influenza virus causes sporadic human infection. Since humans do not possess acquired immunity specific to this virus, we examined the pathogenicity of an H9N2 virus isolated from a human and then analyzed protective effects of a vaccine in cynomolgus macaques. After intranasal challenge with A/Hong Kong/1073/1999 (H9N2) (HK1073) isolated from a human patient, viruses were isolated from nasal and tracheal swabs in unvaccinated macaques with mild fever and body weight loss. A formalin-inactivated H9N2 whole particle vaccine derived from our virus library was subcutaneously inoculated to macaques...
December 2016: Pathology International
https://www.readbyqxmd.com/read/27908567/the-effect-of-topical-5-flurouracil-application-post-endoscopic-inferior-turbinoplasty
#4
Amjad F Nuseir, Mohammad Alsalem, Mouhamad Alzahr, Muthanna Ababneh, Ahmad I Alomari, Firas Alzoubi
RATIONALE AND OBJECTIVES: Adhesions are the most common complication after nasal surgery and revision. 5-Fluorouracil (5-FU) reduces various adhesions and epithelial growth related complications. The aim of this study was to evaluate the effects of 5-flurouracil application in the nasal cavity after a multi-procedure nasal surgery in term of complications frequency. MATERIALS AND METHODOLOGY: Institutional ethical approval was granted and a double-blinded prospective clinical trial was conducted to study the effect of 5-fu on post-operative complications...
November 23, 2016: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/27908273/pharmacokinetic-and-pharmacodynamic-features-of-nanoemulsion-following-oral-intravenous-topical-and-nasal-route
#5
Hira Choudhury, Bapi Gorain, Bappaditya Chatterjee, Uttam Kumar Mandal, Pinaki Sengupta, Rakesh Kumar Tekade
Most of the active pharmaceutical ingredients discovered recently in pharmaceutical field exhibits poor aqueous solubility that pose major problem in their oral administration. The oral administration of these drugs gets further complicated due to their short bioavailability, inconsistent absorption and inter/intra subject variability. Pharmaceutical emulsion holds a significant place as a primary choice of oral drug delivery system for lipophilic drugs used in pediatric and geriatric patients. Pharmacokinetic studies on nanoemulsion mediated drugs delivery approach indicates practical feasibility in regards to their clinical translation and commercialization...
December 1, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27908038/phonetic-imitation-of-coarticulatory-vowel-nasalization
#6
Georgia Zellou, Rebecca Scarborough, Kuniko Nielsen
This study investigates the spontaneous phonetic imitation of coarticulatory vowel nasalization. Speakers produced monosyllabic words with a vowel-nasal sequence either from dense or sparse phonological neighborhoods in shadowing and word-naming tasks. During shadowing, they were exposed to target words that were modified to have either an artificially increased or decreased degree of coarticulatory vowel nasality. Increased nasality, which is communicatively more facilitative in that it provides robust predictive information about the upcoming nasal segment, was imitated more strongly during shadowing than decreased nasality...
November 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27908037/the-structure-of-hindi-stop-consonants
#7
Kushagra Singh, Nachiketa Tiwari
The pronunciation of stop consonants varies markedly with age, gender, accent, etc. Yet by extracting appropriate cues common to these varying pronunciations, it is possible to correctly identify the spoken consonant. In this paper, the structure underlying Hindi stop consonants is presented. This understanding may potentially be used as a "recipe" for their artificial synthesis. Hindi alphabet stops were analyzed for this purpose. This alphabet has an organized and comprehensive inventory of stop consonants, and its consonants invariably terminate with the neutral vowel schwa...
November 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27907108/mupirocin-in-the-treatment-of-staphylococcal-infections-in-chronic-rhinosinusitis-a-meta-analysis
#8
Jong Seung Kim, Sam Hyun Kwon
BACKGROUND: Saline irrigation of the nasal cavity is a classic and effective treatment for acute or chronic rhinosinusitis. Topical antibiotics such as mupirocin have been widely used for recalcitrant chronic rhinosinusitis. Therefore, the purpose of this study was to evaluate the effect of saline irrigation using mupirocin. METHODS: A systematic literature review and meta-analysis of mupirocin saline irrigation were performed using EMBASE, MEDLINE, and Cochrane library through December 2015...
2016: PloS One
https://www.readbyqxmd.com/read/27907071/ontogenetic-change-in-the-temporal-region-of-the-early-permian-parareptile-delorhynchus-cifellii-and-the-implications-for-closure-of-the-temporal-fenestra-in-amniotes
#9
Yara Haridy, Mark J Macdougall, Diane Scott, Robert R Reisz
A juvenile specimen of Delorhynchus cifellii, collected from the Early Permian fissure-fill deposits of Richards Spur, Oklahoma, permits the first detailed study of cranial ontogeny in this parareptile. The specimen, consisting of a partially articulated skull and mandible, exhibits several features that identify it as juvenile. The dermal tuberosities that ornament the dorsal side and lateral edges of the largest skull of D. cifellii specimens, are less prominent in the intermediate sized holotype, and are absent in the new specimen...
2016: PloS One
https://www.readbyqxmd.com/read/27906845/an-algorithmic-approach-using-ultrasonography-in-the-diagnosis-of-pediatric-nasal-bone-fracture
#10
Ikkei Tamada, Takaaki Mori, Nobuaki Inoue, Hirokazu Shido, Marie Aoki, Yukie Nakamura, Ruri Kamogawa
BACKGROUND: Ultrasonography (US) was recently reported as a reliable modality for diagnosing nasal bone fractures. However, whether US is reliable as a screening tool in the pediatric emergency department (ED) remains unknown. This prospective cohort study had a 2-fold aim: to assess the utility of US in the diagnosis of pediatric nasal bone fracture, and to evaluate the validity of our protocol for managing pediatric nasal bone fractures (Fuchu-Kids algorithm). PATIENTS AND METHODS: Among the patients who presented at the ED with facial trauma, those with a suspected nasal bone fracture were enrolled in the study...
November 30, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27906812/effect-of-cyclopentolate-on-in-vivo-schlemm-canal-microarchitecture-in-healthy-subjects
#11
Michael S Rosman, Alon Skaat, Jason L Chien, Mark P Ghassibi, Tarela F Sarimiye, Robert Ritch, Jeffrey M Liebmann, Sung Chul Park
PURPOSE: To characterize the in vivo effect of cyclopentolate on the microstructure of Schlemm canal (SC) in healthy eyes. METHODS: For healthy subjects, 81 serial horizontal enhanced depth imaging optical coherence tomography B-scans (interval between scans, ∼35 μm) of the nasal corneoscleral limbal area were obtained before and 1 hour after cyclopentolate 1% administration in 1 eye. The structures of aqueous and blood vessels in each scan were used as landmarks to select 50 overlapping scans between the 2 sets of 81 serial scans (before and after cyclopentolate administration)...
November 30, 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27906811/measurement-of-radial-peripapillary-capillary-density-in-the-normal-human-retina-using-optical-coherence-tomography-angiography
#12
Tarannum Mansoori, Jayanthi Sivaswamy, Jahnavi Sai Gamalapati, Satish Gooty Agraharam, Nagalla Balakrishna
AIM: To image the radial peripapillary capillary (RPC) network with optical coherence tomography angiography (OCTA) and measure its capillary density (CD) in the normal human retina. MATERIALS AND METHODS: Fifty-two normal participants underwent OCTA imaging with RTVue XR 100 Avanti OCT. The angioflow enface RPCs network was extracted from OCTA and 8 peripapillary sectors with a sector angle of 45 degrees were selected for quantitative analysis: superior nasal, superior temporal, temporal upper, temporal lower, nasal upper, nasal lower, inferior nasal, and inferior temporal...
November 30, 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27906174/therapeutic-advantage-of-pro-electrophilic-drugs-to-activate-the-nrf2-are-pathway-in-alzheimer-s-disease-models
#13
Stuart A Lipton, Tayebeh Rezaie, Anthony Nutter, Kevin M Lopez, James Parker, Kunio Kosaka, Takumi Satoh, Scott R McKercher, Eliezer Masliah, Nobuki Nakanishi
Alzheimer's disease (AD) is characterized by synaptic and neuronal loss, which occurs at least partially through oxidative stress induced by oligomeric amyloid-β (Aβ)-peptide. Carnosic acid (CA), a chemical found in rosemary and sage, is a pro-electrophilic compound that is converted to its active form by oxidative stress. The active form stimulates the Keap1/Nrf2 transcriptional pathway and thus production of phase 2 antioxidant enzymes. We used both in vitro and in vivo models. For in vitro studies, we evaluated protective effects of CA on primary neurons exposed to oligomeric Aβ...
December 1, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27906082/secondary-correction-of-nasal-deformities-in-cleft-lip-and-palate-patients-surgical-technique-and-outcome-evaluation
#14
Gabor Vass, Gabor Mohos, Zsofia Bere, Laszlo Ivan, Janos Varga, Jozsef Piffko, Laszlo Rovo
BACKGROUND: Nasal deformity associated with cleft lip and palate is a highly challenging reconstructive problem in rhinoplasty. In the literature, several operative solutions and evaluation methods have been described, however these do not offer a standard procedure for the surgeon. Our aim was to standardize our surgical technique-as much as the uniqueness of each case allowed it-based on the most frequent deformities we had faced; and to evaluate our results via a postoperative patient satisfaction questionnaire...
December 1, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27906054/is-radical-surgery-of-an-inverted-papilloma-of-the-maxillary-sinus-obsolete-a-case-report
#15
Vedat Yildirim, Niels Christian Pausch, Dirk Halama, Heinz-Theo Lübbers, Ayhan Yildirim
BACKGROUND: Sinonasal inverted papilloma is a locally aggressive tumor arising from the Schneiderian membrane which lines the nasal cavity and paranasal sinuses. Aggressive surgical approaches, such as lateral rhinotomy, were used until recently for complete removal of the inverted papilloma. Currently, endoscopic resection is the gold standard in the treatment of inverted papilloma. However, there are situations that justify an open approach. For example there are studies that report a higher postoperative recurrence rate after endonasal endoscopic resection, particularly in the treatment of recurrent diseases...
December 1, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27904883/interactions-of-respiratory-viruses-and-the-nasal-microbiota-during-the-first-year-of-life-in-healthy-infants
#16
Insa Korten, Moana Mika, Shkipe Klenja, Elisabeth Kieninger, Ines Mack, Maria Teresa Barbani, Meri Gorgievski, Urs Frey, Markus Hilty, Philipp Latzin
Traditional culture techniques have shown that increased bacterial colonization is associated with viral colonization; however, the influence of viral colonization on the whole microbiota composition is less clear. We thus aimed to understand the interaction of viral infections and the nasal microbiota in early life to appraise their roles in disease development. Thirty-two healthy, unselected infants were included in this prospective longitudinal cohort study within the first year of life. Biweekly nasal swabs (n = 559) were taken, and the microbiota was analyzed by 16S rRNA pyrosequencing, and 10 different viruses and 2 atypical bacteria were characterized by real-time PCR (combination of seven duplex samples)...
November 2016: MSphere
https://www.readbyqxmd.com/read/27903273/a-novel-quantitative-real-time-polymerase-chain-reaction-method-for-detecting-toxigenic-pasteurella-multocida-in-nasal-swabs-from-swine
#17
Simone Scherrer, Daniel Frei, Max Michael Wittenbrink
BACKGROUND: Progressive atrophic rhinitis (PAR) in pigs is caused by toxigenic Pasteurella multocida. In Switzerland, PAR is monitored by selective culture of nasal swabs and subsequent polymerase chain reaction (PCR) screening of bacterial colonies for the P. multocida toxA gene. A panel of 203 nasal swabs from a recent PAR outbreak were used to evaluate a novel quantitative real-time PCR for toxigenic P. multocida in porcine nasal swabs. RESULTS: In comparison to the conventional PCR with a limit of detection of 100 genome equivalents per PCR reaction, the real-time PCR had a limit of detection of 10 genome equivalents...
December 1, 2016: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/27903069/low-concentration-pm10-had-no-effect-on-nasal-symptoms-and-flow-in-allergic-rhinitis-patients
#18
Young Hyo Kim, Kwang Pil Ko, Il Gyu Kang, Joo Hyun Jung, Dae Kyu Oh, Tae Young Jang, Seon Tae Kim
Objectives: Since Korea is geographically close to China (the origin site for Asian sand dust [ASD]) the health influence of ASD event will be still greater in Korea. We aimed to evaluate the effect of PM10 (particulate matter with aerodynamic diameter <10 μm, below 150 μg/m3) on the clinical course of allergic rhinitis (AR). Methods: We enrolled 47 healthy volunteers (group A) and 108 AR patients sensitized to house dust mites (group B). For 120 consecutive days (from February 1st to May 30th, 2012), all subjects reported their daily nasal symptoms and performed 2 peak flowmeter readings to measure peak nasal inspiratory flow (PNIF)...
December 2, 2016: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/27902901/virulence-of-serovar-c-1-strains-of-avibacterium-paragallinarum
#19
H H Trujillo-Ruíz, H L Shivaprasad, V Morales-Erasto, M Talavera-Rojas, C Salgado-Miranda, F Salazar-García, P J Blackall, E Soriano-Vargas
The bacterium Avibacterium paragallinarum is the etiologic agent of infectious coryza of chickens. There are nine serovars of A. paragallinarum , and serovar C-1 has emerged in outbreaks of infectious coryza in layer hens in the Americas, with all isolates having been obtained from infectious coryza-vaccinated chickens. In the current study, the clinical and histopathologic outcomes of experimental infections in chickens with A. paragallinarum of serovar C-1 were investigated. The Japanese serovar reference strain, H-18, and a Mexican isolate, ESV-135, were included in the study...
December 2016: Avian Diseases
https://www.readbyqxmd.com/read/27902866/bacterial-community-collapse-a-meta-analysis-of-the-sinonasal-microbiota-in-chronic-rhinosinusitis
#20
Brett Wagner Mackenzie, David W Waite, Michael Hoggard, Richard G Douglas, Michael W Taylor, Kristi Biswas
Chronic rhinosinusitis (CRS) is a common, debilitating condition characterized by long-term inflammation of the nasal cavity and paranasal sinuses. The role of the sinonasal bacteria in CRS is unclear. We conducted a meta-analysis combining and reanalyzing published bacterial 16S rRNA sequence data to explore differences in sinonasal bacterial community composition and predicted function between healthy and CRS affected subjects. The results identify the most abundant bacteria across all subjects as Staphylococcus, Propionibacterium, Corynebacterium, Streptococcus, and an unclassified lineage of Actinobacteria...
November 30, 2016: Environmental Microbiology
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