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https://www.readbyqxmd.com/read/28335041/the-cerebellum-and-its-wrapping-meninge-developmental-interplay-between-two-major-structures
#1
Martin Catala
Meninges have long been considered as a protective and supportive tissue for the central nervous system. Nevertheless, new developmental roles are now attributed to them. The meninges that surround the cerebellum come from the cephalic mesoderm. They are essential for the cerebellum to develop normally. They induce and maintain the basal lamina and glia limitans. In the absence of these structures, the external granular cells of the cerebellum migrate aberrantly and penetrate the subarachnoid space. The molecules involved in the recognition between the cerebellar primordium and the basal lamina belong to two groups in humans: dystroglycan and laminin on the one hand, and GPR56 and collagen III on the other...
March 23, 2017: Neuropediatrics
https://www.readbyqxmd.com/read/28334297/the-knight-stick-trap-and-knight-stick-sticky-wraps-new-tools-for-stable-fly-diptera-muscidae-management
#2
Jerome A Hogsette, Daniel L Kline
Stable fly, Stomoxys calcitrans (L.) (Diptera: Muscidae), management can be difficult, especially in situations where pesticide usage is restricted or disallowed. Traps have been used for monitoring stable flies, but have rarely been used for management. The Knight Stick (KS) trap recently became available, and preliminary studies indicated that it might be an improvement to traps currently in use. The Olson Sticky Fly trap was chosen as the control trap for the purpose of comparisons. Both traps attract stable flies by alteration of light waves and capture flies on a sticky wrap covering the trap base...
March 20, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28331790/ultrathin-fluidic-laminates-for-large-area-fa%C3%A3-ade-integration-and-smart-windows
#3
Benjamin P V Heiz, Zhiwen Pan, Gerhard Lautenschläger, Christin Sirtl, Matthias Kraus, Lothar Wondraczek
Buildings represent more than 40% of Europe's energy demands and about one third of its CO2 emissions. Energy efficient buildings and, in particular, building skins have therefore been among the key priorities of international research agendas. Here, glass-glass fluidic devices are presented for large-area integration with adaptive façades and smart windows. These devices enable harnessing and dedicated control of various liquids for added functionality in the building envelope. Combining a microstructured glass pane, a thin cover sheet with tailored mechanical performance, and a liquid for heat storage and transport, a flat-panel laminate is generated with thickness adapted to a single glass sheet in conventional windows...
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331259/long-term-follow-up-on-the-donor-foot-after-thumb-reconstruction-using-big-toe-wrap-around-flap-in-two-different-operation-methods
#4
Zhi-Guo Ma, Yong-Jun Guo, Hou-Jun Yan, Qi-Ming Li, Bin Ma
The function of the donor foot has been affected after using big toe wrap-around flap for thumb reconstruction. A modified operation method has been developed to reduce the adverse effect on the donor foot. The current study compared the long-term effect of the classic and the modified operation methods on the donor foot. Gait analysis was carried out, including how the patient walked, the walking speed and walking distance, and how the patient jumped and ran. Plantar pressure was measured while the patient was standing and moving...
February 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/28331092/monkeypox-virus-host-factor-screen-in-haploid-cells-identifies-essential-role-of-garp-complex-in-extracellular-virus-formation
#5
Susan Realegeno, Andreas S Puschnik, Amrita Kumar, Cynthia Goldsmith, Jillybeth Burgado, Suryaprakash Sambhara, Victoria A Olson, Darin Carroll, Inger Damon, Tetsuya Hirata, Taroh Kinoshita, Jan E Carette, Panayampalli Subbian Satheshkumar
Monkeypox virus (MPXV) is a human pathogen that is a member of the Orthopoxvirus genus, which includes Vaccinia virus and Variola virus (the causative agent of smallpox). Human monkeypox is considered an emerging zoonotic infectious disease. To identify host factors required for MPXV infection, we performed a genome-wide insertional mutagenesis screen in human haploid cells. The screen revealed several candidate genes, including those involved in Golgi trafficking, glycosaminoglycan biosynthesis and glycosylphosphatidylinositol (GPI) - anchor biosynthesis...
March 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28329678/human-rad52-captures-and-holds-dna-strands-increases-dna-flexibility-and-prevents-melting-of-duplex-dna-implications-for-dna-recombination
#6
Ineke Brouwer, Hongshan Zhang, Andrea Candelli, Davide Normanno, Erwin J G Peterman, Gijs J L Wuite, Mauro Modesti
Human RAD52 promotes annealing of complementary single-stranded DNA (ssDNA). In-depth knowledge of RAD52-DNA interaction is required to understand how its activity is integrated in DNA repair processes. Here, we visualize individual fluorescent RAD52 complexes interacting with single DNA molecules. The interaction with ssDNA is rapid, static, and tight, where ssDNA appears to wrap around RAD52 complexes that promote intra-molecular bridging. With double-stranded DNA (dsDNA), interaction is slower, weaker, and often diffusive...
March 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28329189/mid-term-results-of-zone-0-thoracic-endovascular-aneurysm-repair-after-ascending-aorta-wrapping-and-supra-aortic-debranching-in-high-risk-patients
#7
Felice Pecoraro, Mario Lachat, Michael Hofmann, Neal S Cayne, Lyubov Chaykovska, Zoran Rancic, Gilbert Puippe, Thomas Pfammatter, Nicola Mangialardi, Frank J Veith, Dominique Bettex, Francesco Maisano, Thomas A Neff
OBJECTIVES: Surgical repair of aneurysmal disease involving the ascending aorta, aortic arch and eventually the descending aorta is generally associated with significant morbidity and mortality. A less invasive approach with the ascending wrapping technique (WT), supra-aortic vessel debranching (SADB) and thoracic endovascular aneurysm repair (TEVAR) in zone 0 was developed to reduce the associated risk in these patients. METHODS: During a 10-year period, consecutive patients treated by the ascending WT, SADB and TEVAR in zone 0 were included...
March 8, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28327921/the-superior-cerebellar-artery-aneurysm-a-posterior-circulation-aneurysm-with-favorable-microsurgical-outcomes
#8
Ana Rodríguez-Hernández, Brian P Walcott, Harjus Birk, Michael T Lawton
BACKGROUND: Superior cerebellar artery (SCA) aneurysms are usually grouped with aneurysms that arise from the upper basilar artery or more broadly, the posterior circulation. However, the SCA aneurysm has distinctive anatomy that facilitates safe surgical management, notably few associated perforating arteries, and excellent exposure in the carotid-oculomotor triangle. OBJECTIVE: To demonstrate the outcomes of patients treated with microsurgery in a continuous surgical series...
January 24, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28325332/wheat-straw-hemicelluloses-added-with-cellulose-nanocrystals-and-citric-acid-effect-on-film-physical-properties
#9
Paulo H F Pereira, Keith W Waldron, David R Wilson, Arcelina P Cunha, Edy S de Brito, Tigressa H S Rodrigues, Morsyleide F Rosa, Henriette M C Azeredo
Wheat straw has been used as a source of hemicelluloses (WSH) and cellulose nanocrystals (CNC) for the elaboration of biodegradable films. Different films have been formed by using WSH as a matrix and different contents of CNC and citric acid. The predominant hemicelluloses were arabinoxylans. CNC reinforced the films, improving tensile strength and modulus, water resistance and water vapor barrier. Citric acid, on the other hand, presented concomitant plasticizing and crosslinking effects (the latter also evidenced by FTIR), probably due to a crosslinking extension by glycerol...
May 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28324976/meandered-conformai-antenna-for-ism-band-ingestible-capsule-communication-systems
#10
Md Shamsul Arefin, Jean-Michel Redoute, Mehmet Rasit Yuce
The wireless capsule has been used to measure physiological parameters in the gastrointestinal tract where communication from in-body to external receiver is necessary using a miniaturized antenna with high gain and onmidirectional radiation pattern. This paper presents a meandered conformal antenna with center frequency of 433 MHz for a wireless link between an in-body capsule system and an ex-body receiver system. The antenna is wrapped around the wireless capsule, which provides extra space for other circuits and sensors inside the capsule as well as allows it having larger dimensions compared to inner antennas...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324713/monolithic-cobalt-doped-carbon-aerogel-for-efficient-catalytic-activation-of-peroxymonosulfate-in-water
#11
Peidong Hu, Mingce Long, Xue Bai, Cheng Wang, Caiyun Cai, Jiajun Fu, Baoxue Zhou, Yongfeng Zhou
As an emerging carbonaceous material, carbon aerogels (CAs) display a great potential in environmental cleanup. In this study, a macroscopic three-dimensional monolithic cobalt-doped carbon aerogel was developed by co-condensation of graphene oxide sheets and resorcinol-formaldehyde resin in the presence of cobalt ions, followed by lyophilization, carbonization and thermal treatment in air. Cobalt ions were introduced as a polymerization catalyst to bridge the organogel framework, and finally cobalt species were retained as both metallic cobalt and Co3O4, wrapped by graphitized carbon layers...
March 6, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28322798/neuregulin-1-type-iii-knockout-mice-exhibit-delayed-migration-of-schwann-cell-precursors
#12
Yuki Miyamoto, Tomohiro Torii, Akito Tanoue, Kazuko Kawahara, Miyuki Arai, Hideki Tsumura, Toru Ogata, Motoshi Nagao, Nobuo Terada, Masahiro Yamamoto, Shou Takashima, Junji Yamauchi
In an embryonic developmental stage of the peripheral nervous system (PNS), Schwann cell precursors migrate along neuronal axons to their final destinations. After birth, they eventually wrap around individual axons to form myelin sheaths, which insulate axons to increase the nerve conduction velocity. Some growth factors and adhesion molecules are known to control these developmental stages from in the fish to in the mammal. Neuregulin-1 (NRG1), which is composed of many alternative splicing variants, is such a growth factor...
March 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28319188/reduced-performance-of-a-pvc-coated-biogents-sentinel-prototype-in-comparison-to-the-original-biogents-sentinel-for-monitoring-the-asian-tiger-mosquito-aedes-albopictus-in-temperate-north-america
#13
Isik Unlu, Ary Faraji, Michael Morganti, Randy Vaeth, Karen Akaratovic, Jay Kiser, Charles Abadam, Dan Kline
Aedes albopictus is a major nuisance pest and also a public health concern because of the role it plays in the transmission of arboviruses. There is a continuing demand for effective surveillance tools for this species. The first generation of Biogents Sentinel (BGS1) traps have proven to be an effective tool for surveillance of Ae. albopictus throughout its range, however, some defects in construction led to the eventual development of the next generation. We compared the performance of the new generation prototype trap (BGS2P) to the original...
2017: PloS One
https://www.readbyqxmd.com/read/28318227/boosting-fiber-shaped-photodetectors-via-soft-interfaces
#14
Zhengfeng Zhu, Dan Ju, Yousheng Zou, Yuhui Dong, Linbao Luo, Tengfei Zhang, Dan Shan, Haibo Zeng
The lightweight, flexible fiber-shaped devices that can be woven into wearable electronic products has caught great attentions in recent years. However the bending and poor interfaces of fiber-shaped devices typically leads to ineluctable performance degradation, which is still a great challenge to be dealt with. Here, taking fiber-shaped photodetector as an example, we proposed an effective strategy, constructing inorganic-organic-graphene hybrid interfaces on a single fiber, to greatly improve the performances of fiber-shaped device...
March 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28317372/a-pillararene-based-aie-active-supramolecular-system-for-simultaneous-detection-and-removal-of-mercury-ii-in-water
#15
Hong-Bo Cheng, Ziyan Li, Yao-Dong Huang, Lei Liu, Hai-Chen Wu
Supramolecular polymers are polymers based on monomeric units held together with directional and reversible noncovalent interactions. Compared with traditional polymers, they possess better processability and better recycling properties, owing to their reversible monomer-to-polymer transition. Herein, we report the construction of a new supramolecular system through self assembly of a thymine-substituted copillar[5]arene 1 and a tetraphenylethylene (TPE) derivative 2 in the presence of Hg2+. Copillar[5]arene 1 can coordinate with Hg2+ tightly through T-Hg2+-T pairings...
March 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28317173/extracellular-matrix-in-the-cns-induced-by-neuropathogenic-viral-infection
#16
Rihito Watanabe, Masatoshi Kakizaki
During the early phase of infection with an extremely neurovirulent murine coronavirus, cl-2, the ER-TR7 antigen (ERag)-positive fibers (ERfibs) associated with laminin and collagen III show a rapid increase in expression levels in the meninges, followed by an appearance of the antigens in the ventricle and brain parenchyma. Then, cl-2 invades the ventricle and ventricular wall along the newly assembled ERfibs after infection, using them as a pathway from the meninges, the initial site of infection. In the lymph nodes and spleen, ERag is mainly produced by fibroblastic reticular cells (FRCs), which play a key role in nursing the ERfibs to form a fibroblastic reticular network (FRN)...
March 20, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/28306627/novel-microspheres-reduce-the-formation-of-deep-venous-thrombosis-and-repair-the-vascular-wall-in-a-rat-model
#17
Bingyang Dai, Lan Li, Qiangqiang Li, Xiaoxiao Song, Dongyang Chen, Jin Dai, Yao Yao, Wenjin Yan, Huajian Teng, Fang Yang, Zhihong Xu, Qing Jiang
L-Arginine (L-arg), widely known as a substrate for endogenous nitric oxide synthesis, can improve endothelial function associated with the vasculature, inhibit platelet aggregation, and alter the activity of vascular smooth muscle cells. P-selectin is a membrane component of the platelet alpha-granule and the endothelial cell-specific Wiebel-Palade body that plays a central role in mediating interactions between platelets and both leukocytes and the endothelium. The experiment was designed to evaluate the effect of novel microspheres with L-arg targeting P-selectin on the formation of deep vein thrombosis and repair of vascular wall in a rat model...
March 16, 2017: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/28302412/mechanical-behavior-of-idealized-stingray-skeleton-inspired-tiled-composites-as-a-function-of-geometry-and-material-properties
#18
A K Jayasankar, R Seidel, J Naumann, L Guiducci, A Hosny, P Fratzl, J C Weaver, J W C Dunlop, M N Dean
Tilings are constructs of repeated shapes covering a surface, common in both manmade and natural structures, but in particular are a defining characteristic of shark and ray skeletons. In these fishes, cartilaginous skeletal elements are wrapped in a surface tessellation, comprised of polygonal mineralized tiles linked by flexible joints, an arrangement believed to provide both stiffness and flexibility. The aim of this research is to use two-dimensional analytical models to evaluate the mechanical performance of stingray skeleton-inspired tessellations, as a function of their material and structural parameters...
February 28, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28301963/internet-gaming-disorder-inadequate-diagnostic-criteria-wrapped-in-a-constraining-conceptual-model
#19
Vladan Starcevic
Background and aims The paper "Chaos and confusion in DSM-5 diagnosis of Internet Gaming Disorder: Issues, concerns, and recommendations for clarity in the field" by Kuss, Griffiths, and Pontes (in press) critically examines the DSM-5 diagnostic criteria for Internet gaming disorder (IGD) and addresses the issue of whether IGD should be reconceptualized as gaming disorder, regardless of whether video games are played online or offline. This commentary provides additional critical perspectives on the concept of IGD...
March 17, 2017: Journal of Behavioral Addictions
https://www.readbyqxmd.com/read/28300185/inorganic-photocatalytic-enhancement-activated-rhb-photodegradation-by-surface-modification-of-sno2-nanocrystals-with-v2o5-like-species
#20
Mauro Epifani, Saulius Kaciulis, Alessio Mezzi, Davide Altamura, Cinzia Giannini, Raül Díaz, Carmen Force, Aziz Genç, Jordi Arbiol, Pietro Siciliano, Elisabetta Comini, Isabella Concina
SnO2 nanocrystals were prepared by precipitation in dodecylamine at 100 °C, then they were reacted with vanadium chloromethoxide in oleic acid at 250 °C. The resulting materials were heat-treated at various temperatures up to 650 °C for thermal stabilization, chemical purification and for studying the overall structural transformations. From the crossed use of various characterization techniques, it emerged that the as-prepared materials were constituted by cassiterite SnO2 nanocrystals with a surface modified by isolated V(IV) oxide species...
March 16, 2017: Scientific Reports
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