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https://www.readbyqxmd.com/read/29792856/comparison-of-the-3-d-patterns-of-the-parasympathetic-nervous-system-in-the-lung-at-late-developmental-stages-between-mouse-and-chicken
#1
Tadayoshi Watanabe, Ryo Nakamura, Yuta Takase, Etsuo A Susaki, Hiroki R Ueda, Ryosuke Tadokoro, Yoshiko Takahashi
Although the basic schema of the body plan is similar among different species of amniotes (mammals, birds, and reptiles), the lung is an exception. Here, anatomy and physiology are considerably different, particularly between mammals and birds. In mammals, inhaled and exhaled airs mix in the airways, whereas in birds the inspired air flows unidirectionally without mixing with the expired air. This bird-specific respiration system is enabled by the complex tubular structures called parabronchi where gas exchange takes place, and also by the bellow-like air sacs appended to the main part of the lung...
May 21, 2018: Developmental Biology
https://www.readbyqxmd.com/read/29791696/monocenter-experience-with-532-nm-laser-photoselective-vaporization-of-the-prostate-by-greenlight-xps%C3%A2-laser-is-it-really-an-endourological-joker-card
#2
Jamil Ghahhari, Carlo D'Orta, Ambra Rizzoli, Michele Marchioni, Giulia I Primicer, Piergustavo De Francesco, Angelo Civitella, Mario Di Lecce, Pietro Castellan, Roberto Castellucci, Fabio Neri, Fabiola Raffaella Tamburro, Luca Cindolo, Luigi Schips
INTRODUCTION: In our study, we reported on our monocenter experience with GreenLight (GL) Xcelerated Performance System (XPS)™ /MoXy™ laser fiber (American Medical Systems Inc., Minnetonka, Minnesota), examining its efficacy, safety, and its ability to effectively treat lower urinary tract symptoms (LUTS) in benign prostate obstruction (BPO). We also explored and compared the three different endoscopic approaches used for GL treatment of benign prostatic hyperplasia (BPH), standard photovaporization (PVP), anatomical PVP, and GreenLight XPS™ enucleation of the prostate...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29790285/peripapillary-vessel-density-changes-in-leber-s-hereditary-optic-neuropathy-a-new-biomarker
#3
Nicole Balducci, Maria Lucia Cascavilla, Antonio Ciardella, Chiara La Morgia, Giacinto Triolo, Vincenzo Parisi, Francesco Bandello, Alfredo A Sadun, Valerio Carelli, Piero Barboni
IMPORTANCE: The contribution of the microvascular supply to the pathogenesis of Leber's Hereditary Optic Neuropathy (LHON) is poorly understood. BACKGROUND: We aimed at measuring the peripapillary capillary vessel density (VD) using optical coherence tomography angiography (OCT-A) at different stages of LHON. DESIGN: Prospective, cross-sectional, multicenter, observational study. PARTICIPANTS: Twenty-two LHON patients divided in 4 groups: unaffected mutation carriers (LHON-u); early subacute stage (LHON-e); late subacute stage (LHON-l); chronic stage (LHON-ch)...
May 22, 2018: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/29783681/encapsulation-and-characterization-of-gentamicin-sulfate-in-the-collagen-added-electrospun-nanofibers-for-skin-regeneration
#4
Wan Khartini Wan Abdul Khodir, Abdul Hakim Abdul Razak, Min Hwei Ng, Vincenzo Guarino, Deny Susanti
In the current practice, the clinical use of conventional skin substitutes such as autogenous skin grafts have shown several problems, mainly with respect to limited sources and donor site morbidity. In order to overcome these limitations, the use of smart synthetic biomaterials is tremendously diffusing as skin substitutes. Indeed, engineered skin grafts or analogues frequently play an important role in the treatment of chronic skin wounds, by supporting the regeneration of newly formed tissue, and at the same time preventing infections during the long-term treatment...
May 18, 2018: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/29782575/refining-the-maritime-foundations-of-andean-civilization-how-plant-fiber-technology-drove-social-complexity-during-the-preceramic-period
#5
David Beresford-Jones, Alexander Pullen, George Chauca, Lauren Cadwallader, Maria García, Isabel Salvatierra, Oliver Whaley, Víctor Vásquez, Susana Arce, Kevin Lane, Charles French
Moseley's (1975) Maritime Foundations of Andean Civilization hypothesis challenges, in one of humanity's few pristine hearths of civilization, the axiom that agriculture is necessary for the rise of complex societies. We revisit that hypothesis by setting new findings from La Yerba II (7571-6674 Cal bp) and III (6485-5893 Cal bp), Río Ica estuary, alongside the wider archaeological record for the end of the Middle Preceramic Period on the Peruvian coast. The La Yerba record evinces increasing population, sedentism, and "Broad Spectrum Revolution" features, including early horticulture of Phaseolus and Canavalia beans...
2018: Journal of archaeological method and theory
https://www.readbyqxmd.com/read/29781019/complex-strain-induced-structural-changes-observed-in-fibrin-assembled-in-human-plasma
#6
G Portale, J Torbet
The structure of the core scaffold of blood clots, the interlinked 3-dimensional network of fibrin fibers, is modified by mechanical forces generated by platelet driven clot retraction, wound repair and shear stress through blood flow. Here X-ray diffraction is used to investigate how uniaxial strain, ε (ε = extension/original length), alters fiber structure in highly aligned human plasma clots covalently cross-linked by Factor XIIIa. Three stretch sensitive axially repeating structures are identified. Firstly, the foundation structure with an initial ≈22 nm axial repeat stretches, fades then disappears at ε ≈ 0...
May 21, 2018: Nanoscale
https://www.readbyqxmd.com/read/29774612/elastic-fiber-supercapacitors-for-wearable-energy-storage
#7
REVIEW
Si Qin, Shayan Seyedin, Jizhen Zhang, Zhiyu Wang, Fangli Yang, Yuqing Liu, Jun Chen, Joselito M Razal
The development of wearable devices such as smart watches, intelligent garments, and wearable health-monitoring devices calls for suitable energy storage devices which have matching mechanical properties and can provide sufficient power for a reasonable duration. Stretchable fiber-based supercapacitors are emerging as a promising candidates for this purpose because they are lightweight, flexible, have high energy and power density, and the potential for easy integration into traditional textile processes. An important characteristic that is oftentimes ignored is stretchability-fiber supercapacitors should be able to accommodate large elongation during use, endure a range of bending motions, and then revert to its original form without compromising electrical and electrochemical performance...
May 17, 2018: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/29772682/the-association-of-dietary-fiber-intake-with-cardiometabolic-risk-in-four-countries-across-the-epidemiologic-transition
#8
Louise Lie, Laquita Brown, Terrence E Forrester, Jacob Plange-Rhule, Pascal Bovet, Estelle V Lambert, Brian T Layden, Amy Luke, Lara R Dugas
The greatest burden of cardiovascular disease is now carried by developing countries with cardiometabolic conditions such as metabolic syndrome, obesity and inflammation believed to be the driving force behind this epidemic. Dietary fiber is known to have protective effects against obesity, type 2 diabetes, cardiovascular disease and the metabolic syndrome. Considering the emerging prevalence of these cardiometabolic disease states across the epidemiologic transition, the objective of this study is to explore these associations of dietary fiber with cardiometabolic risk factors in four countries across the epidemiologic transition...
May 16, 2018: Nutrients
https://www.readbyqxmd.com/read/29761601/postnatal-development-of-cholinergic-input-to-the-thalamic-reticular-nucleus-of-the-mouse
#9
Guela Sokhadze, Peter Whitney Campbell, William Guido
The thalamic reticular nucleus (TRN), a shell-like structure comprised of GABAergic neurons, gates signal transmission between thalamus and cortex. While TRN is innervated by axon collaterals of thalamocortical and corticothalamic neurons, other ascending projections modulate activity during different behavioral states such as attention, arousal, and sleep-wake cycles. One of the largest arise from cholinergic neurons of the basal forebrain and brainstem. Despite its integral role, little is known about how or when cholinergic innervation and synapse formation occurs...
May 14, 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29761011/associations-between-apparent-diffusion-coefficient-and-electromyography-parameters-in-myositis-a-preliminary-study
#10
Hans-Jonas Meyer, Alexander Emmer, Malte Kornhuber, Alexey Surov
Objective: MRI is widely used in several muscle disorders. Diffusion-weighted imaging (DWI) is an emergent imaging modality sensitive to microstructural alterations in tissue. The apparent diffusion coefficient (ADC) is used to quantify the random motion of water molecules. Electromyography (EMG) is a clinically used diagnostic tool in myositis. The aim of this study was to elucidate possible associations between ADC values and EMG findings in myositis patients. Method: Seven patients (eight investigated muscles) with myositis (mean age 51...
May 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29758905/spatial-and-temporal-distribution-of-microplastics-in-water-and-sediments-of-a-freshwater-system-antu%C3%A3-river-portugal
#11
M O Rodrigues, N Abrantes, F J M Gonçalves, H Nogueira, J C Marques, A M M Gonçalves
Microplastics (particles with a size<5mm), one of the most emerging aquatic pollutants, are of particular concern since they can reach high densities and interact with biotic and abiotic environment. The occurrence of microplastics in freshwater systems is less understood than in marine environment. Hence, the present study aims to provide new insights into microplastics abundances and distribution in Antuã River (Portugal) by applying the isolation method of wet peroxide oxidation with addition of zinc chloride to water and sediment samples collected in March and October 2016, in three sampling sites...
August 15, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29758631/bifurcation-structure-of-localized-states-in-the-lugiato-lefever-equation-with-anomalous-dispersion
#12
P Parra-Rivas, D Gomila, L Gelens, E Knobloch
The origin, stability, and bifurcation structure of different types of bright localized structures described by the Lugiato-Lefever equation are studied. This mean field model describes the nonlinear dynamics of light circulating in fiber cavities and microresonators. In the case of anomalous group velocity dispersion and low values of the intracavity phase detuning these bright states are organized in a homoclinic snaking bifurcation structure. We describe how this bifurcation structure is destroyed when the detuning is increased across a critical value, and determine how a bifurcation structure known as foliated snaking emerges...
April 2018: Physical Review. E
https://www.readbyqxmd.com/read/29741364/multiscale-control-of-nanocellulose-assembly-transferring-remarkable-nanoscale-fibril-mechanics-to-macroscale-fibers
#13
Nitesh Mittal, Farhan Ansari, Krishne Gowda V, Christophe Brouzet, Pan Chen, Per Tomas Larsson, Stephan V Roth, Fredrik Lundell, Lars Wågberg, Nicholas A Kotov, L Daniel Söderberg
Nanoscale building blocks of many materials exhibit extraordinary mechanical properties due to their defect-free molecular structure. Translation of these high mechanical properties to macroscopic materials represents a difficult materials engineering challenge due to the necessity to organize these building blocks into multiscale patterns and mitigate defects emerging at larger scales. Cellulose nanofibrils (CNFs), the most abundant structural element in living systems, has impressively high strength and stiffness, but natural or artificial cellulose composites are 3-15 times weaker than the CNFs...
May 9, 2018: ACS Nano
https://www.readbyqxmd.com/read/29733184/electronic-devices-based-on-oxide-thin-films-fabricated-by-fibers-to-film-process
#14
You Meng, Ao Liu, Zidong Guo, Guoxia Liu, Byoungchul Shin, Yong-Young Noh, Elvira Fortunato, Rodrigo Martins, Fukai Shan
The technical development for thin-film fabrication is essential for emerging metal-oxide (MO) electronics. Although impressive progresses have been achieved in fabricating MO thin films, the challenges still remain. Here we report a versatile and general thermal-induced nano-melting technique for fabricating the MO thin films from the fibers networks, briefly called fibers-to-film (FTF) process. The high quality of the FTF-processed MO thin films was confirmed by various investigations. The FTF process is generally applicable to numerous technologically relevant MO thin films, including the semiconducting thin films (e...
May 7, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29729574/conformational-evolution-of-polymorphic-amyloid-assemblies
#15
REVIEW
Chen Liang, Ming-Chien Hsieh, Noel X Li, David G Lynn
The morphological diversity of amyloid assemblies has complicated the development of disease therapies and the design of novel biomaterials for decades. Here we review the conformational evolution of amyloids from the initial liquid-liquid phase separation into the oligomeric particle phase to the nucleation of the more ordered assembly phases. With mounting evidence that the assemblies emerging from the oligomeric phases may not be stable in solution and undergo further structural transitions, we propose the concept of conformational evolution, where mutations may occur at the ends or on the surface of the pre-existing fibers and different morphologies are under selection throughout the assembly process...
May 2, 2018: Current Opinion in Structural Biology
https://www.readbyqxmd.com/read/29726880/electrowetting-driven-solar-indoor-lighting-e-sil-an-optofluidic-approach-towards-sustainable-buildings
#16
Si Kuan Thio, Dongyue Jiang, Sung-Yong Park
Optofluidics is an emerging research field that combines the two disciplines of microfluidics and optics. By using microfluidic technologies for light control, optofluidic devices can offer several advantages over solid-type optical components, including optical-grade smoothness at the fluidic interface and a high degree of optical tunability without bulky and complex mechanical moving parts. These features have made optofluidic devices more versatile and reconfigurable to improve their optical performances...
May 4, 2018: Lab on a Chip
https://www.readbyqxmd.com/read/29723551/evaluation-of-airborne-asbestos-exposure-from-routine-handling-of-asbestos-containing-wire-gauze-pads-in-the-research-laboratory
#17
Ediberto Garcia, Daniel Newfang, Jayme P Coyle, Charles L Blake, John W Spencer, Leonard G Burrelli, Giffe T Johnson, Raymond D Harbison
Three independently conducted asbestos exposure evaluations were conducted using wire gauze pads similar to standard practice in the laboratory setting. All testing occurred in a controlled atmosphere inside an enclosed chamber simulating a laboratory setting. Separate teams consisting of a laboratory technician, or technician and assistant simulated common tasks involving wire gauze pads, including heating and direct wire gauze manipulation. Area and personal air samples were collected and evaluated for asbestos consistent with the National Institute of Occupational Safety Health method 7400 and 7402, and the Asbestos Hazard Emergency Response Act (AHERA) method...
April 30, 2018: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29719603/gefitinib-or-lapatinib-with-foretinib-synergistically-induce-a-cytotoxic-effect-in-melanoma-cell-lines
#18
Ewelina Dratkiewicz, Katarzyna Pietraszek-Gremplewicz, Aleksandra Simiczyjew, Antonina Joanna Mazur, Dorota Nowak
Melanoma is an aggressive cancer type with a high mortality rate and an elevated resistance to conventional treatment. Recently, promising new tools for anti-melanoma targeted therapy have emerged including inhibitors directed against frequently overexpressed receptors of growth factors implicated in the progression of this cancer. The ineffectiveness of single-targeted therapy prompted us to study the efficacy of treatment with a combination of foretinib, a MET (hepatocyte growth factor receptor) inhibitor, and gefitinib or lapatinib, EGFR (epidermal growth factor receptor) inhibitors...
April 6, 2018: Oncotarget
https://www.readbyqxmd.com/read/29717380/selective-vs-global-renal-denervation-a-case-for-less-is-more
#19
REVIEW
Marat Fudim, Asher A Sobotka, Yue-Hui Yin, Joanne W Wang, Howard Levin, Murray Esler, Jie Wang, Paul A Sobotka
PURPOSE OF REVIEW: Review the renal nerve anatomy and physiology basics and explore the concept of global vs. selective renal denervation (RDN) to uncover some of the fundamental limitations of non-targeted renal nerve ablation and the potential superiority of selective RDN. RECENT FINDINGS: Recent trials testing the efficacy of RDN showed mixed results. Initial investigations targeted global RDN as a therapeutic goal. The repeat observation of heterogeneous response to RDN including non-responders with lack of a BP reduction, or even more unsettling, BP elevations after RDN has raised concern for the detrimental effects of unselective global RDN...
May 1, 2018: Current Hypertension Reports
https://www.readbyqxmd.com/read/29716015/composite-filtering-effect-in-a-sesam-mode-locked-fiber-laser-with-a-3-2-ghz-fundamental-repetition-rate-switchable-states-from-single-soliton-to-pulse-bunch
#20
Yi Zhou, Wei Lin, Huihui Cheng, Wenlong Wang, Tian Qiao, Qi Qian, Shanhui Xu, Zhongmin Yang
States that are switchable from single soliton to pulse bunch in a compact semiconductor saturable absorber mirror (SESAM) mode-locked fiber laser with a fundamental repetition rate of 3.2 GHz are experimentally investigated and further studied via simulations. A composite filtering effect comprising an intracavity low-finesse Fabry-Perot (FP) filter, an artificial optical low-pass filter, and a gain filter implements the state switching to pulse bunch. A numerical model is proposed to clarify the mechanism underlying the switching...
April 16, 2018: Optics Express
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