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https://www.readbyqxmd.com/read/28430155/dynamic-construction-scheme-for-virtualization-security-service-in-software-defined-networks
#1
Zhaowen Lin, Dan Tao, Zhenji Wang
For a Software Defined Network (SDN), security is an important factor affecting its large-scale deployment. The existing security solutions for SDN mainly focus on the controller itself, which has to handle all the security protection tasks by using the programmability of the network. This will undoubtedly involve a heavy burden for the controller. More devastatingly, once the controller itself is attacked, the entire network will be paralyzed. Motivated by this, this paper proposes a novel security protection architecture for SDN...
April 21, 2017: Sensors
https://www.readbyqxmd.com/read/28429308/chronic-candidiasis-in-children
#2
REVIEW
Laura Green, William K Dolen
PURPOSE OF REVIEW: Healthy children may develop candidal infections as the result of exposure to antibiotics or corticosteroids, but chronic candidiasis in children after the newborn period is unusual. Chronic mucocutaneous candidiasis (CMC) refers to a group of conditions characterized by recurrent or persistent infections with Candida species, particularly Candida albicans. CMC is a phenotype observed in a spectrum of immunologic disorders, some with endocrinologic and autoimmune features...
May 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28428866/capture-efficiency-and-trophic-adaptations-of-a-specialist-and-generalist-predator-a-comparison
#3
Ondřej Michálek, Lenka Petráková, Stano Pekár
Specialist true predators are expected to exhibit higher capture efficiencies for the capture of larger and dangerous prey than generalist predators due to their possession of specialized morphological and behavioral adaptations. We used an araneophagous spider (Lampona murina) and a generalist spider (Drassodes lapidosus) as phylogenetically related model species and investigated their realized and fundamental trophic niches and their efficacy with respect to prey capture and prey handling. The trophic niche of both species confirmed that Lampona had a narrow trophic niche with a predominance of spider prey (including conspecifics), while the niche of Drassodes was wide, without any preference...
April 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28428541/tissue-engineered-cornea-constructed-with-compressed-collagen-and-laser-perforated-electrospun-mat
#4
Bin Kong, Wei Sun, Guoshi Chen, Song Tang, Ming Li, Zengwu Shao, Shengli Mi
While Plastic Compressed (PC) collagen technique is often used to fabricate bioengineered constructs, PC collagen gels are too weak to be sutured or conveniently handled for clinical applications. To overcome this limitation, electrospun poly (lactic-co-glycolide) (PLGA) mats, which have excellent biocompatibility and mechanical properties, were combined with PC collagen to fabricate sandwich-like hybrid constructs. By laser-perforating holes with different sizes and spacings in the electrospun mats to regulate the mechanical properties and light transmittance of the hybrid constructs, we produced hybrid constructs with properties very suitable to apply in corneal tissue engineering...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28428474/evaluation-of-absorbed-dose-for-cbct-in-image-guided-radiation-therapy-comparison-of-each-devices-and-facilities
#5
Yumiko Kitazato, Noriyuki Kuga, Katsutoshi Shirieda, Masahiro Enzaki, Yuji Nakaguchi, Yoshinobu Shimohigashi, Toshihisa Kawasaki, Masahiko Toyoda, Daisuke Kawahara, Fujio Araki, Shinji Kawamura
Recently, intensity-modulated radiation therapy (IMRT) is used worldwide, highly accurate verification of the location using image-guided radiation therapy (IGRT) has become critical. However, the use of cone-beam computed tomography (CBCT) to ascertain the location each time raises concerns about its influence on radiotherapy dosage and increased radiation exposure. The purpose of this study was to measure the absorbed dose using nine kilovoltage (kV) devices and two megavoltage (MV) devices (total 11 devices) at eight facilities, compare the absorbed dose among the devices, and assess the characteristics of the respective devices to ensure optimal clinical operation...
2017: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/28428356/biological-variation-estimates-obtained-from-91-healthy-study-participants-for-9-enzymes-in-serum
#6
Anna Carobene, Thomas Røraas, Una Ørvim Sølvik, Marit Sverresdotter Sylte, Sverre Sandberg, Elena Guerra, Irene Marino, Niels Jonker, Gerhard Barla, William A Bartlett, Pilar Fernandez-Calle, Jorge Díaz-Garzón, Francesca Tosato, Mario Plebani, Abdurrahman Coŝkun, Mustafa Serteser, Ibrahim Unsal, Ferruccio Ceriotti
BACKGROUND: We sought to develop estimates of biological variation (BV) for 9 enzymes in blood serum as part of the European Biological Variation Study. METHODS: Ninety-one healthy study participants (38 male and 53 female, 21-69 years old) were phlebotomized in each of 10 consecutive weeks at 6 European laboratories. The same preanalytical sample-handling protocol was followed at each center before transport to San Raffaele Hospital, Milan, Italy, for analysis...
April 20, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28427915/-multimorbidity-in-general-practice-and-the-ariadne-principles-a-person-centred-approach
#7
Alexandra Prados-Torres, Isabel Del Cura-González, Juan Daniel Prados-Torres, Francisca Leiva-Fernández, Juan Antonio López-Rodríguez, Amaia Calderón-Larrañaga, Christiane Muth
Multimorbidity, defined as the coexistence of two or more chronic conditions in one same individual, has negative consequences for people suffering from it and it poses a real challenge for health systems. In primary care, where most of these patients are attended, the clinical management of multimorbidity can be a complex task due, among others, to the high volume of clinical information that needs to be handled, the scarce scientific evidence available to approach multimorbidity, and the need for coordination among multiple health providers to guarantee continuity of care...
April 17, 2017: Atencion Primaria
https://www.readbyqxmd.com/read/28427768/syndrome-of-transient-headache-and-neurological-deficits-with-cerebrospinal-fluid-lymphocytosis-handl-in-a-patient-with-confusional-symptoms-diffuse-eeg-abnormalities-and-bilateral-vasospasm-in-transcranial-doppler-ultrasound-a-case-report-and-literature-review
#8
M Hidalgo de la Cruz, R Domínguez Rubio, E Luque Buzo, F Díaz Otero, P Vázquez Alén, J Orcajo Rincón, J Prieto Montalvo, A Contreras Chicote, F Grandas Pérez
INTRODUCTION: HaNDL syndrome (transient headache and neurological deficits with cerebrospinal fluid lymphocytosis) is characterised by one or more episodes of headache and transient neurological deficits associated with cerebrospinal fluid lymphocytosis. To date, few cases of HaNDL manifesting with confusional symptoms have been described. Likewise, very few patients with HaNDL and confusional symptoms have been evaluated with transcranial Doppler ultrasound (TCD). TCD data from patients with focal involvement reveal changes consistent with vasomotor alterations...
April 17, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28427384/imbalanced-target-prediction-with-pattern-discovery-on-clinical-data-repositories
#9
Tak-Ming Chan, Yuxi Li, Choo-Chiap Chiau, Jane Zhu, Jie Jiang, Yong Huo
BACKGROUND: Clinical data repositories (CDR) have great potential to improve outcome prediction and risk modeling. However, most clinical studies require careful study design, dedicated data collection efforts, and sophisticated modeling techniques before a hypothesis can be tested. We aim to bridge this gap, so that clinical domain users can perform first-hand prediction on existing repository data without complicated handling, and obtain insightful patterns of imbalanced targets for a formal study before it is conducted...
April 20, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28426939/high-throughput-agonist-shift-assay-development-for-the-analysis-of-m1-positive-allosteric-modulators
#10
Michelle F Homsher, Douglas C Beshore, Jason Cassaday, Brian Squadroni, Elizabeth Mohammed, Michelle Hartnett, Stephen Day, Lei Ma, David Pechter, Michelle D Smith, Fredrick Monsma, Paul Zuck, Michael F Finley, Victor N Uebele, Jeffrey D Hermes
Agonist shift assays feature cross-titrations of allosteric modulators and orthosteric ligands. Information generated in agonist shift assays can include a modulator's effect on the orthosteric agonist's potency (alpha) and efficacy (beta), as well as direct agonist activity of the allosteric ligand (tauB) and the intrinsic binding affinity of the modulator to the unoccupied receptor (KB). Because of the heavy resource demand and complex data handling, these allosteric parameters are determined infrequently during the course of a drug discovery program and on a relatively small subset of compounds...
April 1, 2017: SLAS Discovery
https://www.readbyqxmd.com/read/28426080/c-reactive-protein-and-interleukin-6-microfluidic-immunoassays-with-on-chip-pre-stored-reagents-and-centrifugo-pneumatic-liquid-control
#11
Y Zhao, G Czilwik, V Klein, K Mitsakakis, R Zengerle, N Paust
We present a fully automated centrifugal microfluidic method for particle based protein immunoassays. Stick-pack technology is employed for pre-storage and release of liquid reagents. Quantitative layout of centrifugo-pneumatic particle handling, including timed valving, switching and pumping is assisted by network simulations. The automation is exclusively controlled by the spinning frequency and does not require any additional means. New centrifugal microfluidic process chains are developed in order to sequentially supply wash buffer based on frequency dependent stick-pack opening and pneumatic pumping to perform two washing steps from one stored wash buffer; pre-store and re-suspend functionalized microparticles on a disk; and switch between the path of the waste fluid and the path of the substrate reaction product with 100% efficiency...
April 20, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28425681/schedules-of-controlled-substances-temporary-placement-of-six-synthetic-cannabinoids-5f-adb-5f-amb-5f-apinaca-adb-fubinaca-mdmb-chmica-and-mdmb-fubinaca-into-schedule-i-temporary-scheduling-order
#12
(no author information available yet)
The Administrator of the Drug Enforcement Administration is issuing this temporary scheduling order to schedule six synthetic cannabinoids: methyl 2-(1-(5-fluoropentyl)-1H-indazole-3-carboxamido)-3,3-dimethylbutanoate [5F-ADB; 5F-MDMB-PINACA]; methyl 2-(1-(5-fluoropentyl)-1H-indazole-3-carboxamido)-3-methylbutanoate [5F-AMB]; N-(adamantan-1-yl)-1-(5-fluoropentyl)-1H-indazole-3-carboxamide [5F-APINACA, 5F-AKB48]; N-(1-amino-3,3-dimethyl-1-oxobutan-2-yl)-1-(4-fluorobenzyl)-1H-indazole-3-carboxamide [ADB-FUBINACA]; methyl 2-(1-(cyclohexylmethyl)-1H-indole-3-carboxamido)-3,3-dimethylbutanoate [MDMB-CHMICA, MMB-CHMINACA] and methyl 2-(1-(4-fluorobenzyl)-1H-indazole-3-carboxamido)-3,3-dimethylbutanoate [MDMB-FUBINACA], and their optical, positional, and geometric isomers, salts, and salts of isomers into schedule I pursuant to the temporary scheduling provisions of the Controlled Substances Act...
April 10, 2017: Federal Register
https://www.readbyqxmd.com/read/28425395/comparing-phlebotomy-by-tail-tip-amputation-facial-vein-puncture-and-tail-vein-incision-in-c57bl-6-mice-by-using-physiologic-and-behavioral-metrics-of-pain-and-distress
#13
Elizabeth S Moore Thomas A Cleland Wendy O Williams Christine M Peterson Bhupinder Singh Teresa L Southard Bret Pasch Rachael N Labitt And Erin K Daugherity
Tail tip amputation with minimal restraint is not widely used for mouse phlebotomy. In part, this infrequency may reflectpolicies influenced by tail tip amputation procedures for genotyping, which involve greater handling and tissue removal. Toassess tail tip amputation with minimal restraint as a phlebotomy technique, we compared it with 2 more common methods:scruffing with facial vein puncture and lateral tail vein incision with minimal restraint. Blood glucose levels, audible and ultrasonic vocalizations, postphlebotomy activity and grooming behavior, open field and elevated plus maze behaviors,nest-building scores, and histologic changes at the phlebotomy site were evaluated...
April 19, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28425202/examining-solutions-to-missing-data-in-longitudinal-nursing-research
#14
Mary B Roberts, Mary C Sullivan, Suzy B Winchester
PURPOSE: Longitudinal studies are highly valuable in pediatrics because they provide useful data about developmental patterns of child health and behavior over time. When data are missing, the value of the research is impacted. The study's purpose was to (1) introduce a three-step approach to assess and address missing data and (2) illustrate this approach using categorical and continuous-level variables from a longitudinal study of premature infants. METHODS: A three-step approach with simulations was followed to assess the amount and pattern of missing data and to determine the most appropriate imputation method for the missing data...
April 2017: Journal for Specialists in Pediatric Nursing: JSPN
https://www.readbyqxmd.com/read/28425083/restless-legs-syndrome-willis-ekbom-disease-prevalence-in-beta-thalassemia-patients
#15
Euthimia Dimitriadou, Christoforos D Giannaki, Maria Tsekoura, Ioannis Stefanidis, Georgios M Hadjigeorgiou, Eleftherios Lavdas, Christina Karatzaferi, Giorgos K Sakkas
PURPOSE: Both beta thalassemia and restless legs syndrome (RLS) patients share some common pathophysiological characteristics related to iron handling. In the present study, the aim was to explore the prevalence of RLS as well as to explore potential association between the syndrome and various quality of life-related parameters in a sample of beta thalassemia patients. METHODS: One hundred fourteen (age 40 ± 11 yr, 59 M/55F) beta thalassemia patients participated in this cross-sectional descriptive study...
April 19, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28424827/fluorescence-spectroscopy-for-the-monitoring-of-food-processes
#16
Muhammad Haseeb Ahmad, Amna Sahar, Bernd Hitzmann
Different analytical techniques have been used to examine the complexity of food samples. Among them, fluorescence spectroscopy cannot be ignored in developing rapid and non-invasive analytical methodologies. It is one of the most sensitive spectroscopic approaches employed in identification, classification, authentication, quantification, and optimization of different parameters during food handling, processing, and storage and uses different chemometric tools. Chemometrics helps to retrieve useful information from spectral data utilized in the characterization of food samples...
April 20, 2017: Advances in Biochemical Engineering/biotechnology
https://www.readbyqxmd.com/read/28424774/cardiac-radionuclide-imaging-in-rodents-a-review-of-methods-results-and-factors-at-play
#17
Francesco Cicone, David Viertl, Ana Maria Quintela Pousa, Thibaut Denoël, Silvano Gnesin, Francesco Scopinaro, Marie-Catherine Vozenin, John O Prior
The interest around small-animal cardiac radionuclide imaging is growing as rodent models can be manipulated to allow the simulation of human diseases. In addition to new radiopharmaceuticals testing, often researchers apply well-established probes to animal models, to follow the evolution of the target disease. This reverse translation of standard radiopharmaceuticals to rodent models is complicated by technical shortcomings and by obvious differences between human and rodent cardiac physiology. In addition, radionuclide studies involving small animals are affected by several extrinsic variables, such as the choice of anesthetic...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28424766/the-need-for-hematology-nurse-education-in-low-and-middle-income-countries-a-community-case-study-in-tanzania
#18
Julie M Buser
Hematology-related diseases, such as anemia, malaria, sickle cell disease (SCD), and blood cancers, have differing rates of survival between high-income and low- and middle-income countries (LMICs). Nurses in LMICs have an unmet need for specialty training and education to address hematology and hemato-oncology disorders. A gap in the literature exists about hematology nurse education and clinical service demands in LMICs. This community case study documents a collaborative hematology and basic hemato-oncology education program to sustainably strengthen nurse capacity at a national referral hospital and university in Tanzania...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28424745/distinguishing-the-unique-neuropathological-profile-of-blast-polytrauma
#19
W Brad Hubbard, Shaylen Greenberg, Carly Norris, Joseph Eck, Erin Lavik, Pamela VandeVord
Traumatic brain injury sustained after blast exposure (blast-induced TBI) has recently been documented as a growing issue for military personnel. Incidence of injury to organs such as the lungs has decreased, though current epidemiology still causes a great public health burden. In addition, unprotected civilians sustain primary blast lung injury (PBLI) at alarming rates. Often, mild-to-moderate cases of PBLI are survivable with medical intervention, which creates a growing population of survivors of blast-induced polytrauma (BPT) with symptoms from blast-induced mild TBI (mTBI)...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28424487/power-flow-in-a-large-core-multimode-fiber-under-external-perturbation-and-its-applications
#20
Sen Qian, Yang Xu, Lisheng Zhong, Lei Su
Large core optical multimode fiber provides benefits such as a large light-coupling tolerance, easy handling, and delivery of higher light power without undesirable nonlinear effects. In this research, we exploit the effects of external perturbation on the power flow within the large core fiber and present two relevant applications, namely a perturbation sensor and a doughnut beam tuner. Since conventional multimode fiber power flow model does not take into consideration the perturbation effect, we modify the power flow model so that the influence of time varying perturbation can be theoretically analyzed...
April 19, 2017: Scientific Reports
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