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https://www.readbyqxmd.com/read/29774617/3d-structured-stretchable-strain-sensors-for-out-of-plane-force-detection
#1
Zhiyuan Liu, Dianpeng Qi, Wan Ru Leow, Jiancan Yu, Michele Xiloyannnis, Leonardo Cappello, Yaqing Liu, Bowen Zhu, Ying Jiang, Geng Chen, Lorenzo Masia, Bo Liedberg, Xiaodong Chen
Stretchable strain sensors, as the soft mechanical interface, provide the key mechanical information of the systems for healthcare monitoring, rehabilitation assistance, soft exoskeletal devices, and soft robotics. Stretchable strain sensors based on 2D flat film have been widely developed to monitor the in-plane force applied within the plane where the sensor is placed. However, to comprehensively obtain the mechanical feedback, the capability to detect the out-of-plane force, caused by the interaction outside of the plane where the senor is located, is needed...
May 17, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29774610/high-performance-fluorescent-organic-light-emitting-diodes-utilizing-an-asymmetric-anthracene-derivative-as-an-electron-transporting-material
#2
Dongdong Zhang, Xiaozeng Song, Haoyuan Li, Minghan Cai, Zhengyang Bin, Tianyu Huang, Lian Duan
Fluorescent organic light-emitting diodes with thermally activated delayed fluorescent sensitizers (TSF-OLEDs) have aroused wide attention, the power efficiencies of which, however, are limited by the mutual exclusion of high electron-transport mobility and large triplet energy of electron-transporting materials (ETMs). Here, an asymmetric anthracene derivative with electronic properties manipulated by different side groups is developed as an ETM to promote TSF-OLED performances. Multiple intermolecular interactions are observed, leading to a kind of "cable-like packing" in the crystal and favoring the simultaneous realization of high electron-transporting mobility and good exciton-confinement ability, albeit the low triplet energy of the ETM...
May 17, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29774238/chitinase-genes-chia-s-provide-genomic-footprints-of-a-post-cretaceous-dietary-radiation-in-placental-mammals
#3
Christopher A Emerling, Frédéric Delsuc, Michael W Nachman
The end-Cretaceous extinction led to a massive faunal turnover, with placental mammals radiating in the wake of nonavian dinosaurs. Fossils indicate that Cretaceous stem placentals were generally insectivorous, whereas their earliest Cenozoic descendants occupied a variety of dietary niches. It is hypothesized that this dietary radiation resulted from the opening of niche space, following the extinction of dinosaurian carnivores and herbivores. We provide the first genomic evidence for the occurrence and timing of this dietary radiation in placental mammals...
May 2018: Science Advances
https://www.readbyqxmd.com/read/29773754/a-critical-neurodevelopmental-role-for-l-type-voltage-gated-calcium-channels-in-neurite-extension-and-radial-migration
#4
Satoshi Kamijo, Yuichiro Ishii, Shin-Ichiro Horigane, Kanzo Suzuki, Masamichi Ohkura, Junichi Nakai, Hajime Fujii, Sayaka Takemoto-Kimura, Haruhiko Bito
In spite of many association studies linking gene polymorphisms and mutations of L-type Voltage-Gated Ca2+ Channels (VGCC) in neurodevelopmental disorders, such as autism and schizophrenia, specific L-type VGCC roles during brain development remain unclear. Yet, calcium signaling has been shown to be essential for neurodevelopmental processes such as sculpting of neurites, functional wiring and fine tuning of growing networks. To bridge this gap, we performed submembraneous calcium imaging using a membrane-tethered genetically-encoded calcium indicator (GECI) Lck-G-CaMP7...
May 17, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29772859/-analysis-of-clinical-efficacy-of-unilateral-open-door-cervical-laminoplasty-combined-with-foraminotomy-for-cervical-ossification-of-posterior-longitudinal-ligament
#5
Feng Yang, Ming-Sheng Tan, Xiang-Sheng Tang, Liang-Hai Jiang, Ping Yi, Qing-Ying Hao
OBJECTIVE: To explore the clinical efficacy of unilateral open-door laminoplasty combined with foraminotomy for cervical ossification of posterior longitudinal ligament(OPLL). METHODS: The clinical data of 45 patients with OPLL underwent surgical treatment between September 2011 and September 2015 were retrospectively analyzed. There were 26 males and 19 females with a mean age of 53.6 years old(ranged from 28 to 71 years). Among them, 24 cases received the surgery of unilateral open-door cervical laminoplasty combined with foraminotomy(combined group), and 21 cases received a single unilateral open-door cervical laminoplasty(single group)...
April 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29772407/total-laparoscopic-hysterectomy-for-endometriosis-and-an-arteriovenous-malformation
#6
Emilie Schwartz, Emilie Faller, Chérif Youssef Akladios, Michel Greget, Catherine Roy, Arnaud Wattiez
STUDY OBJECTIVE: Demonstrate a laparoscopic management of an arteriovenous malformation in a patient with deep pelvic endometriosis DESIGN: A step-by-step explanation of the surgery using video (instructive video). SETTING: Hautepierre Universitary Hospital of Strasbourg in France INTERVENTION: We describe the case of a 37 years old patient presenting deep pelvic endometriosis and an uterine arteriovenous malformation. It was during a tubal ligation in 2015, that the deep pelvic endometriosis was diagnosed...
May 14, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29772331/surgical-treatment-of-a-high-flow-femoro-femoral-arteriovenous-fistula-in-an-intravenous-drug-abuser
#7
Pietro Rossetti, Paolo Perini, Alessandro Ucci, Gaetano Carolla, Antonio Freyrie, Roberto Quintavalla
OBJECTIVE: To report the surgical treatment of a high-flow femoro-femoral arteriovenous fistula (AVF), a rare complication of intravenous drug abuse. CASE REPORT: A 36-year-old woman with history of intravenous heroin and cocaine abuse presented with right lower limb oedema, inguinal bruit and heart failure. Duplex ultrasound examination and CT-angiography showed a large, high-flow AVF involving the common femoral vein and the superficial femoral artery, associated with thrombosis of the great saphenous vein and an important inflammation in the right groin, without active bleeding...
May 14, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29772312/early-and-late-outcomes-of-endovascular-aortic-aneurysm-repair-versus-open-surgical-repair-of-an-abdominal-aortic-aneurysm-a-single-center-study
#8
Kyunghak Choi, Youngjin Han, Gi-Young Ko, Yong-Pil Cho, Tae-Won Kwon
OBJECTIVE: To compare the treatment outcomes and cost of endovascular aortic aneurysm repair (EVAR) and open surgical repair (OSR) in patients with an abdominal aortic aneurysm (AAA) at a single center. METHODS: Patients treated for an AAA at a single center between January 2007 and December 2012 were retrospectively identified and classified based on the treatment that they received (EVAR or OSR). Patient demographics, and in hospital costs were recorded. Long-term survival was calculated using the Kaplan-Meier method...
May 14, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29771983/the-effect-of-exposure-to-low-frequency-electromagnetic-fields-emf-as-an-integral-part-of-the-housing-system-on-anxiety-related-behaviour-cognition-and-welfare-in-two-strains-of-laboratory-mouse
#9
Oliver Burman, Gerardo Marsella, Angelo Di Clemente, Luigi Cervo
Electromagnetic field (EMF) technology has the potential to improve scientific data capture and welfare assessment by allowing automated data collection from individual cages. However, it is important to determine any impact that a new technology itself may have on animal welfare, and previous studies have found contrasting results of EMF on laboratory rodent anxiety-like behaviour and cognition. We therefore investigated whether there was an effect of low frequency EMF experienced continuously over a six-week period, as an integral part of the animal housing system, on measures of mouse anxiety-related behaviour, cognition and welfare...
2018: PloS One
https://www.readbyqxmd.com/read/29771554/perceived-crisis-and-reforms-issues-explanations-and-remedies
#10
Paul De Boeck, Minjeong Jeon
An overview and discussion is made of the perceived replication crisis in terms of end problems, explanations, and remedies. Following a discussion of a published large-scale replication study and a review of the meta-analysis literature, we come to the conclusion that many effects are small and that on average the variance of the effects is roughly 10% to 25% of the population variance, most likely because of context dependencies. The proposed explanations such as questionable and suboptimal research practices (low power, poor measurement quality, and the use of NHST) are discussed, as well as more distal explanatory factors such as journals, funding agencies, and institutions...
May 17, 2018: Psychological Bulletin
https://www.readbyqxmd.com/read/29771439/remifentanil-on-t-lymphocytes-cognitive-function-and-inflammatory-cytokines-of-patients-undergoing-radical-surgery-for-cervical-cancer
#11
X-Y Lu, M Chen, D-H Chen, Y Li, P-T Liu, Y Liu
OBJECTIVE: To explore the effects of remifentanil on cognitive function, T lymphocyte subsets and inflammatory cytokines of patients undergoing radical surgery for cervical cancer. PATIENTS AND METHODS: A total of 70 patients undergoing radical surgery for cervical cancer in our hospital from August 2014 to January 2017 were selected. They were divided into control group (n=35) and experimental group (n=35). The patients in the control group received intravenous drip of fentanyl, while those in the experimental group received intravenous drip of remifentanil in the surgery...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29770584/pure-laparoscopic-right-hemihepatectomy-using-the-caudodorsal-side-approach-with-videos
#12
Koki Maeda, Goro Honda, Masanao Kurata, Yuki Homma, Manami Doi, Jun Yamamoto, Yusuke Ome
BACKGROUND: In our process of standardizing laparoscopic right hemihepatectomy (Lap-RH), we found several advantages of the laparoscopic caudate lobe first approach by utilizing a unique laparoscopic caudodorsal view. METHODS: Between April 2012 and October 2017, 21 patients underwent pure Lap-RH at our hospital. The mean patient age was 62 years (range, 36-75 years), and there were more male than female patients (66.7%). Of 21 patients, 11 had hepatocellular carcinoma, 8 had metastatic tumor, and the other 2 had focal nodular hyperplasia and refractory liver abscess...
May 17, 2018: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/29770356/nonvolatile-infrared-memory-in-mos-2-pbs-van-der-waals-heterostructures
#13
Qisheng Wang, Yao Wen, Kaiming Cai, Ruiqing Cheng, Lei Yin, Yu Zhang, Jie Li, Zhenxing Wang, Feng Wang, Fengmei Wang, Tofik Ahmed Shifa, Chao Jiang, Hyunsoo Yang, Jun He
Optoelectronic devices for information storage and processing are at the heart of optical communication technology due to their significant applications in optical recording and computing. The infrared radiations of 850, 1310, and 1550 nm with low energy dissipation in optical fibers are typical optical communication wavebands. However, optoelectronic devices that could convert and store the infrared data into electrical signals, thereby enabling optical data communications, have not yet been realized. We report an infrared memory device using MoS2 /PbS van der Waals heterostructures, in which the infrared pulse intrigues a persistent resistance state that hardly relaxes within our experimental time scales (more than 104 s)...
April 2018: Science Advances
https://www.readbyqxmd.com/read/29769581/a-grazing-gomphotherium-in-middle-miocene-central-asia-10-million-years-prior-to-the-origin-of-the-elephantidae
#14
Yan Wu, Tao Deng, Yaowu Hu, Jiao Ma, Xinying Zhou, Limi Mao, Hanwen Zhang, Jie Ye, Shi-Qi Wang
Feeding preference of fossil herbivorous mammals, concerning the coevolution of mammalian and floral ecosystems, has become of key research interest. In this paper, phytoliths in dental calculus from two gomphotheriid proboscideans of the middle Miocene Junggar Basin, Central Asia, have been identified, suggesting that Gomphotherium connexum was a mixed feeder, while the phytoliths from G. steinheimense indicates grazing preference. This is the earliest-known proboscidean with a predominantly grazing habit...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29768558/home-care-in-the-federal-district-factors-associated-with-the-first-occurrence-of-acute-lower-respiratory-infection-and-death
#15
Leny Nunes de Barros, Maria Regina Fernandes de Oliveira
INTRODUCTION: We aimed to evaluate the frequency and associated factors of acute respiratory infection and death among home care patients in Sobradinho/DF, Brazil. METHODS: Data were obtained from patients' medical records. Bivariate and multivariate analyses were performed. Odds ratio and 95% confidence interval were estimated. RESULTS: Factors associated with respiratory infection were ages <40 and >80 years and accommodation. Female sex was a protective factor...
March 2018: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/29767559/g-protein-pathway-suppressor-2-gps2-enhanced-the-renal-large-conductance-ca2-activated-potassium-channel-expression-via-inhibiting-erk-1-2-signaling-pathway
#16
Zhizhi Zhuang, Jia Xiao, Xinxin Chen, Xiaohan Hu, Ruidian Li, Shan Chen, Xiuyan Feng, Saier Shen, He-Ping Ma, Jieqiu Zhuang, Hui Cai
G-protein pathway suppressor 2 (GPS2) is a multifunctional protein and transcriptional regulation factor that is involved in the G-protein mitogen-activated protein kinase (MAPK) signaling pathway. It has been shown that the MAPK signaling pathway plays an important role in the regulation of renal large conductance Ca2+ activated potassium (BK) channels. In this study, we investigated the effects of GPS2 on BK channel activity and protein expression. In HEK BK stably-expressing cells transfected with either GPS2 or its pCMV vector control, a single cell recording showed that GPS2 significantly increased BK channel activity (NPo), increasing BK open probability (Po) and channel number (N) compared to the control...
May 16, 2018: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29767432/open-sepulchers-and-closed-boundaries-biodistance-analysis-of-cemetery-structure-and-postmarital-residence-in-the-late-prehispanic-andes
#17
Matthew C Velasco
OBJECTIVES: In the Late Intermediate Period Andes (AD 1100-1450), the proliferation of above-ground sepulchers reconfigured social boundaries within and between communities engaged in protracted conflict. However, the biosocial dimensions of these mortuary practices, and their implications for conflict and alliance formation, remain unexplored. This study examines patterns of phenotypic variation to: (1) evaluate if open sepulchers were organized on the basis of biological relatedness, and (2) explore if sex-specific phenotypic variability conforms to models of postmarital residence...
May 16, 2018: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/29766742/wound-and-sural-nerve-complications-of-the-sinus-tarsi-approach-for-calcaneus-fractures
#18
Shaoliang Li
Background The purpose of this study was to evaluate the optimal timing and measures of the sinus tarsi approach for calcaneus fractures to avoid iatrogenic injury of the sural nerve and to assess for wound complications. METHODS: A case series of 53 patients with calcaneus fractures treated by a single surgeon with the sinus tarsi approach was retrospectively analyzed. On the basis of the delay time from injury to surgery, patients were classified into 4 groups: immediate (0-3 days), early (4-6 days), intermediate (7-14 days), and late (14-18 days)...
May 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29766598/dying-at-home-in-rural-residential-aged-care-a-mixed-methods-study-in-the-snowy-monaro-region-australia
#19
Suzanne Rainsford, Christine B Phillips, Nicholas J Glasgow, Roderick D MacLeod, Robert B Wiles
Residential aged care (RAC) is a significant provider of end-of-life care for people aged 65 years and older. Rural residents perceive themselves as different to their urban counterparts. Most studies describing place of death (PoD) in RAC are quantitative and reflect an urban voice. Using a mixed-methods design, this paper examines the PoD of 80 RAC residents (15 short-stay residents who died in RAC during respite or during an attempted step-down transition from hospital to home, and 65 permanent residents), within the rural Snowy Monaro region, Australia, who died between 1 February 2015 and 31 May 2016...
May 16, 2018: Health & Social Care in the Community
https://www.readbyqxmd.com/read/29766279/current-and-potential-distribution-of-the-ectomycorrhizal-fungus-suillus-lakei-murrill-a-h-sm-thiers-in-its-invasion-range
#20
Marcin Pietras, Monika Litkowiec, Joanna Gołębiewska
Suillus lakei is an ectomycorrhizal fungus native to North America and known in Europe, South America, and New Zealand. This contribution aims to illustrate the worldwide biogeography of S. lakei based on sporocarp records. Species distribution modeling was used to assess the suitable niche distribution of S. lakei, based on the climatic variables as well as distribution of its ectomycorrhizal partner, Douglas fir. In general, distribution of suitable niches of S. lakei greatly overlaps with the distribution of Douglas fir in North America...
May 15, 2018: Mycorrhiza
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