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https://www.readbyqxmd.com/read/28644812/a-self-adaptive-capacitive-compensation-technique-for-body-channel-communication
#1
Jingna Mao, Huazhong Yang, Yong Lian, Bo Zhao
In wireless body area network, capacitive-coupling body channel communication (CC-BCC) has the potential to attain better energy efficiency over conventional wireless communication schemes. The CC-BCC scheme utilizes the human body as the forward signal transmission medium, reducing the path loss in wireless body-centric communications. However, the backward path is formed by the coupling capacitance between the ground electrodes (GEs) of transmitter (Tx) and receiver (Rx), which increases the path loss and results in a body posture dependent backward impedance...
June 20, 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28635956/self-assembled-three-dimensional-network-designs-for-soft-electronics
#2
Kyung-In Jang, Kan Li, Ha Uk Chung, Sheng Xu, Han Na Jung, Yiyuan Yang, Jean Won Kwak, Han Hee Jung, Juwon Song, Ce Yang, Ao Wang, Zhuangjian Liu, Jong Yoon Lee, Bong Hoon Kim, Jae-Hwan Kim, Jungyup Lee, Yongjoon Yu, Bum Jun Kim, Hokyung Jang, Ki Jun Yu, Jeonghyun Kim, Jung Woo Lee, Jae-Woong Jeong, Young Min Song, Yonggang Huang, Yihui Zhang, John A Rogers
Low modulus, compliant systems of sensors, circuits and radios designed to intimately interface with the soft tissues of the human body are of growing interest, due to their emerging applications in continuous, clinical-quality health monitors and advanced, bioelectronic therapeutics. Although recent research establishes various materials and mechanics concepts for such technologies, all existing approaches involve simple, two-dimensional (2D) layouts in the constituent micro-components and interconnects. Here we introduce concepts in three-dimensional (3D) architectures that bypass important engineering constraints and performance limitations set by traditional, 2D designs...
June 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28622568/per-protocol-investigation-of-a-best-practice-exercise-referral-scheme
#3
L Stewart, E Dolan, P Carver, P A Swinton
OBJECTIVES: To investigate the effects of an exercise referral scheme (ERS) aligned to the UK best practice guidelines on a range of outcomes including those associated with key health concerns of the Scottish population. STUDY DESIGN: A longitudinal design with data collection at three time points (baseline, midway and post) during a 12-week ERS intervention was employed. METHODS: Health-related physical fitness was assessed through measurement of resting heart rate, blood pressure, FEV1:FEV6 (ratio of forced expiratory volume over one [FEV1] and six [FEV6] seconds), body mass and peak oxygen uptake (VO2 peak), whilst functional capacity was assessed through the five times sit to stand test...
June 12, 2017: Public Health
https://www.readbyqxmd.com/read/28618527/implementation-of-dual-time-stepping-strategy-of-the-gas-kinetic-scheme-for-unsteady-flow-simulations
#4
Ji Li, Chengwen Zhong, Yong Wang, Congshan Zhuo
In our study, the dual time-stepping strategy of the gas-kinetic scheme is constructed and used for the simulation of unsteady flows. In comparison to the previous implicit gas-kinetic scheme, both the inviscid and viscous flux Jacobian are considered in our work, and the linear system of the pseudo-steady-state is solved by applying generalized minimal residual algorithm. The accuracy is validated by several numerical cases, the incompressible flow around blunt bodies (stationary circular cylinder and square cylinder), and the transonic buffet on the NACA0012 airfoil under hybrid mesh...
May 2017: Physical Review. E
https://www.readbyqxmd.com/read/28616787/subtle-radiographic-signs-of-hamate-body-fracture-a-diagnosis-not-to-miss-in-the-emergency-department
#5
Nathan D Cecava, Mary F Finn, Liem T Mansfield
Hamate fractures are estimated to represent 1.7% of all carpal fractures and can occur at the hamulus (hook) or hamate body depending on mechanism of injury. Fractures of the hamate body can be exceedingly difficult to identify on standard wrist and hand radiographs in the emergency department. If the diagnosis is missed in the emergency department, orthopedic referral is often delayed. This can result in lasting functional disability for the patient, as these fractures have a propensity to destabilize the fourth and fifth carpometacarpal (CMC) joints...
June 14, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28615283/cis-and-trans-regulatory-effects-on-gene-expression-in-a-natural-population-of-drosophila-melanogaster
#6
Naoki Osada, Ryutaro Miyagi, Aya Takahashi
Cis- and trans-regulatory mutations are important contributors to transcriptome evolution. Quantifying their relative contributions to intraspecific variation in gene expression is essential for understanding the population genetic processes that underlie evolutionary changes in gene expression. Here, we have examined this issue by quantifying genome-wide allele specific expression (ASE) variation using a crossing scheme that produces F1 hybrids between 18 different Drosophila melanogaster strains sampled from the Drosophila Genetic Reference Panel (DGRP) and a reference strain from another population...
June 14, 2017: Genetics
https://www.readbyqxmd.com/read/28610991/antitumor-effectiveness-of-a-combined-therapy-with-a-new-cucurbitacin-b-derivative-and-paclitaxel-on-a-human-lung-cancer-xenograft-model
#7
REVIEW
Lucas Lourenço Marostica, André Luís Branco de Barros, Juliana Oliveira, Breno Souza Salgado, Geovanni Dantas Cassali, Elaine Amaral Leite, Valbert Nascimento Cardoso, Karen Luise Lang, Miguel Soriano Balparda Caro, Fernando Javier Durán, Eloir Paulo Schenkel, Mônica Cristina de Oliveira, Cláudia Maria Oliveira Simões
Non-small cell lung cancer (NSCLC) is one of the most common malignant tumors, with a high mortality rate due to the elevated risk of resistance. Natural cucurbitacins and their derivatives are recognized as promising antitumor compounds for several types of cancer, including NSCLC. In a recent study published by our research group, DACE (2-deoxy-2-amine-cucurbitacin E), which is a semisynthetic derivative of cucurbitacin B, showed potential in vitro synergistic antiproliferative effects combined with paclitaxel (PTX) in A549 cells...
June 10, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28604610/an-nfc-on-two-coil-wpt-link-for-implantable-biomedical-sensors-under-ultra-weak-coupling
#8
Chen Gong, Dake Liu, Zhidong Miao, Wei Wang, Min Li
The inductive link is widely used in implantable biomedical sensor systems to achieve near-field communication (NFC) and wireless power transfer (WPT). However, it is tough to achieve reliable NFC on an inductive WPT link when the coupling coefficient is ultra-low (0.01 typically), since the NFC signal (especially for the uplink from the in-body part to the out-body part) could be too weak to be detected. Traditional load shift keying (LSK) requires strong coupling to pass the load modulation information to the power source...
June 11, 2017: Sensors
https://www.readbyqxmd.com/read/28602655/attention-robustly-gates-a-closed-loop-touch-reflex
#9
Dana Sherman, Tess Oram, David Harel, Ehud Ahissar
Rats' large whiskers (macrovibrissae) are used to explore their nearby environment, typically using repetitive protraction-retraction "whisking" motions that are coordinated with head and body movements [1-8]. Once objects are detected, the rat can further explore the object tactually by using both the macrovibrissae and an array of shorter, stationary microvibrissae on the chin, as well as by using the lips [9-11]. When touch occurs during whisking, a fast reflexive response, termed a touch-induced pump (TIP), may be triggered...
June 19, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28600159/building-research-in-diet-and-cognition-the-bridge-randomized-controlled-trial
#10
Lisa Tussing-Humphreys, Melissa Lamar, James A Blumenthal, Michael Babyak, Giamila Fantuzzi, Lara Blumstein, Linda Schiffer, Marian L Fitzgibbon
Obesity has been linked to cognitive impairment, cognitive decline and dementia. Given that 38.5% of U.S. adults 60years and older are obese and these numbers are rapidly increasing, strategies to decouple obesity from cognitive decline are needed. Innovative lifestyle strategies that may postpone the onset of subclinical symptoms or even arrest the transition to overt dementia in at-risk individuals are critically needed. Poor diet is central to the development of obesity and diet may affect cognition. Adherence to a Mediterranean Diet (MedDiet) is associated with reduced risk of cognitive impairment and dementia...
June 7, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28598638/many-body-topological-invariants-for-fermionic-symmetry-protected-topological-phases
#11
Hassan Shapourian, Ken Shiozaki, Shinsei Ryu
We define and compute many-body topological invariants of interacting fermionic symmetry-protected topological phases, protected by an orientation-reversing symmetry, such as time-reversal or reflection symmetry. The topological invariants are given by partition functions obtained by a path integral on unoriented spacetime which, as we show, can be computed for a given ground state wave function by considering a nonlocal operation, "partial" reflection or transpose. As an application of our scheme, we study the Z_{8} and Z_{16} classification of topological superconductors in one and three dimensions...
May 26, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28598293/stereotactic-body-radiotherapy-for-de-novo-spinal-metastases-systematic-review
#12
Zain A Husain, Arjun Sahgal, Antonio De Salles, Melissa Funaro, Janis Glover, Motohiro Hayashi, Masahiro Hiraoka, Marc Levivier, Lijun Ma, Roberto Martínez-Alvarez, J Ian Paddick, Jean Régis, Ben J Slotman, Samuel Ryu
OBJECTIVE The aim of this systematic review was to provide an objective summary of the published literature pertaining to the use of stereotactic body radiation therapy (SBRT) specific to previously untreated spinal metastases. METHODS The authors performed a systematic review, using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, of the literature found in a search of Medline, PubMed, Embase, and the Cochrane Library up to March 2015. The search strategy was limited to publications in the English language...
June 9, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28595524/epc-dysfunction-and-immune-networks-translating-opportunities-for-the-clinical-setting-in-personalized-medicine
#13
Javier Rodríguez-Carrio, Patricia López, Ana Suárez
Cardiovascular (CV) risk stratification is suboptimal if solely based on traditional CV risk factors, since individuals with similar risk profiles could exhibit diverging CV outcomes. Thus, there is a need for new risk factors to be identified and implemented. Recent studies emphasize the relevance of the endothelial homeostasis in the control of CV risk burden, but the clinical relevance of these findings is starting to be appreciated. However, gaining insight into the actual players involved in this phenomenon would lead to the identification of novel biomarkers...
June 5, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28593935/justifying-quasiparticle-self-consistent-schemes-i-via-i-gradient-optimization-in-baym-kadanoff-theory
#14
Sohrab Ismail-Beigi
The question of which non-interacting Green's function "best" describes an interacting many-body electronic system is both of fundamental interest as well as of practical importance in describing electronic properties of materials in a realistic manner. Here, we study this question within the framework of Baym-Kadanoff theory, an approach where one locates the stationary point of a total energy functional of the one-particle Green's function in order to find the total ground-state energy as well as all one-particle properties such as the density matrix, chemical potential, or the quasiparticle energy spectrum and quasiparticle wave functions...
June 8, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28593630/investigating-the-dsm-5-severity-specifiers-based-on-thinness-for-adults-with-anorexia-nervosa
#15
Deborah Lynn Reas, Øyvind Rø
OBJECTIVE: The DSM-5 severity classification scheme for adults with anorexia nervosa (AN) is based upon current body mass index (BMI; kg/m(2) ). This study examined the utility of the DSM-5 severity specifiers for adults with AN in relation to core cognitive and behavioral features of eating pathology and associated psychosocial impairment. METHODS: A clinical sample of 146 adult AN patients (140 women, 6 men) were categorized using DSM-5 current BMI severity specifiers and assessed with the Eating Disorder Examination-Questionnaire (EDE-Q) and Clinical Impairment Assessment (CIA)...
June 7, 2017: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/28587941/family-food-talk-child-eating-behavior-and-maternal-feeding-practices
#16
Elizabeth Roach, Gail B Viechnicki, Lauren B Retzloff, Pamela Davis-Kean, Julie C Lumeng, Alison L Miller
Families discuss food and eating in many ways that may shape child eating habits. Researchers studying how families talk about food have examined this process during meals. Little work has examined parent-child food-related interactions outside of mealtime. We assessed family food talk at home outside of mealtime and tested whether food talk was associated with obesogenic child eating behaviors, maternal feeding practices, or child weight. Preschool and school-aged mother-child dyads (n = 61) participated in naturalistic voice recording using a LENA (Language ENvironment Analysis) recorder...
June 3, 2017: Appetite
https://www.readbyqxmd.com/read/28585525/near-transferable-phenomenological-n-body-potentials-for-noble-metals
#17
Vassilis Pontikis, Gianguido Baldinozzi, Laurence Luneville, David Simeone
We present a semi-empirical model of cohesion in noble metals with suitable parameters reproducing a selected set of experimental properties of perfect and defective lattices in noble metals. It consists of two short-range, n-body terms accounting respectively for attractive and repulsive interactions, the former deriving from the second moment approximation of the tight-binding scheme and the latter from the gas approximation of the kinetic energy of electrons. The stability of the face centred cubic versus the hexagonal compact stacking is obtained via a long-range, pairwise function of customary use with ionic pseudo-potentials...
June 6, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28585281/the-deep-fascia-and-retinacula-of-the-equine-forelimb-structure-and-innervation
#18
Aleksandra Skalec, Monika Egerbacher
Recent advances in human fascia research have shed new light on the role of the fascial network in movement perception and coordination, transmission of muscle force, and integrative function in body biomechanics. Evolutionary adaptations of equine musculoskeletal apparatus that assure effective terrestrial locomotion are employed in equestrianism, resulting in the wide variety of movements in performing horses, from sophisticated dressage to jumping and high-speed racing. The high importance of horse motion efficiency in the present-day equine industry indicates the significance of scientific knowledge of the structure and physiology of equine fasciae...
June 5, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28581801/synchronization-dynamics-in-a-designed-open-system
#19
Nobuhiko Yokoshi, Kazuki Odagiri, Akira Ishikawa, Hajime Ishihara
We theoretically propose a unifying expression for synchronization dynamics between two-level constituents. Although synchronization phenomena require some substantial mediators, the distinct repercussions of their propagation delays remain obscure, especially in open systems. Our scheme directly incorporates the details of the constituents and mediators in an arbitrary environment. As one example, we demonstrate the synchronization dynamics of optical emitters on a dielectric microsphere. We reveal that the whispering gallery modes (WGMs) bridge the well-separated emitters and accelerate the synchronized fluorescence, known as superfluorescence...
May 19, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28581633/population-pharmacokinetic-analysis-of-zolmitriptan-and-its-metabolite-in-adults-and-adolescents-to-support-dose-selection-in-children-with-migraine
#20
Wangda Zhou, Jianguo Li, Bruce Birmingham, Hongmei Xu, Stefan Lillieborg, Diansong Zhou, Nidal Al-Huniti
Zolmitriptan is a serotonin (5-HT) 1B/1D receptor agonist effective for the treatment of migraine. This analysis aimed to develop a population pharmacokinetic (PK) model for zolmitriptan and its active metabolite in adults and adolescents and provide appropriate dosing regimens to be used in clinical trials for children 6-11 years old. The data from a single-dose clinical study of 5.0-mg zolmitriptan nasal spray (ZNS) conducted in adult and adolescent patients with migraine between migraine attacks was applied...
June 5, 2017: Journal of Clinical Pharmacology
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