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https://www.readbyqxmd.com/read/28098797/nonlinear-fusion-of-multispectral-citrus-fruit-image-data-with-information-contents
#1
Peilin Li, Sang-Heon Lee, Hung-Yao Hsu, Jae-Sam Park
The main issue of vison-based automatic harvesting manipulators is the difficulty in the correct fruit identification in the images under natural lighting conditions. Mostly, the solution has been based on a linear combination of color components in the multispectral images. However, the results have not reached a satisfactory level. To overcome this issue, this paper proposes a robust nonlinear fusion method to augment the original color image with the synchronized near infrared image. The two images are fused with Daubechies wavelet transform (DWT) in a multiscale decomposition approach...
January 13, 2017: Sensors
https://www.readbyqxmd.com/read/28098750/cluster-based-maximum-consensus-time-synchronization-for-industrial-wireless-sensor-networks
#2
Zhaowei Wang, Peng Zeng, Mingtuo Zhou, Dong Li, Jintao Wang
Time synchronization is one of the key technologies in Industrial Wireless Sensor Networks (IWSNs), and clustering is widely used in WSNs for data fusion and information collection to reduce redundant data and communication overhead. Considering IWSNs' demand for low energy consumption, fast convergence, and robustness, this paper presents a novel Cluster-based Maximum consensus Time Synchronization (CMTS) method. It consists of two parts: intra-cluster time synchronization and inter-cluster time synchronization...
January 13, 2017: Sensors
https://www.readbyqxmd.com/read/28098339/the-effect-of-blue-light-on-stomatal-oscillations-and-leaf-turgor-pressure-in-banana-leaves
#3
Yotam Zait, Or Shapira, Amnon Schwartz
Stomatal oscillations are cyclic opening and closing of stomata, presumed to initiate from hydraulic mismatch between leaf water supply and transpiration rate. To test this assumption, mismatches between water supply and transpiration were induced using manipulations of VPD (vapor pressure deficit) and light spectrum in banana (Musa acuminata). Simultaneous measurements of gas exchange with changes in leaf turgor pressure were used to describe the hydraulic mismatches. An increase of VPD above a certain threshold, caused stomatal oscillations with variable amplitudes...
January 18, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28098258/unidirectional-invisibility-induced-by-parity-time-symmetric-circuit
#4
Bo Lv, Jiahui Fu, Bian Wu, Rujiang Li, Qingsheng Zeng, Xinhua Yin, Qun Wu, Lei Gao, Wan Chen, Zhefei Wang, Zhiming Liang, Ao Li, Ruyu Ma
Parity-time (PT) symmetric structures present the unidirectional invisibility at the spontaneous PT-symmetry breaking point. In this paper, we propose a PT-symmetric circuit consisting of a resistor and a microwave tunnel diode (TD) which represent the attenuation and amplification, respectively. Based on the scattering matrix method, the circuit can exhibit an ideal unidirectional performance at the spontaneous PT-symmetry breaking point by tuning the transmission lines between the lumped elements. Additionally, the resistance of the reactance component can alter the bandwidth of the unidirectional invisibility flexibly...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28098174/novel-g9-rotavirus-strains-co-circulate-in-children-and-pigs-taiwan
#5
Fang-Tzy Wu, Krisztián Bányai, Baoming Jiang, Luke Tzu-Chi Liu, Szilvia Marton, Yhu-Chering Huang, Li-Min Huang, Ming-Hui Liao, Chao A Hsiung
Molecular epidemiologic studies collecting information of the spatiotemporal distribution of rotavirus VP7 (G) and VP4 (P) genotypes have shown evidence for the increasing global importance of genotype G9 rotaviruses in humans and pigs. Sequence comparison of the VP7 gene of G9 strains identified different lineages to prevail in the respective host species although some of these lineages appear to be shared among heterologous hosts providing evidence of interspecies transmission events. The majority of these events indicates the pig-to-human spillover, although a reverse route of transmission cannot be excluded either...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28097620/seminal-tract-amyloidosis-synchronous-amyloidosis-of-the-seminal-vesicles-deferent-ducts-and-ejaculatory-ducts
#6
Lea Rath-Wolfson, Golan Bubis, Shmuel Shtrasburg, Asaf Shvero, Rumelia Koren
Senile Seminal Vesicle Amyloidosis (SSVA) increases with age. Involvement of the whole seminal tract, i.e. the seminal vesicles, ejaculatory and deferent ducts was first reported by us in the International Symposium on Amyloidosis 1998. Since then we encountered four more cases of SSVA. In all these cases the ejaculatory and deferent ducts were also involved by amyloid. The amyloid was located mostly sub-epithelially, stained positively with Congo red, gave green birefringence under polarized light and was permanganate sensitive, slightly positive for lactoferrin immunostaining and negative for all known amyloid types...
January 17, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28097439/modeling-responses-in-the-superior-paraolivary-nucleus-implications-for-forward-masking-in-the-inferior-colliculus
#7
Nima Salimi, Muhammad S A Zilany, Laurel H Carney
A phenomenological model of the responses of neurons in the superior paraolivary nucleus (SPON) of the rodent is presented in this study. Pure tones at the characteristic frequency (CF) and broadband noise stimuli evoke offset-type responses in these neurons. SPON neurons also phase-lock to the envelope of sinusoidally amplitude-modulated (SAM) stimuli for a range of modulation frequencies. Model SPON neuron received inhibitory input that was relayed by the ipsilateral medial nucleus of the trapezoid body from the contralateral model ventral cochlear nucleus neuron...
January 17, 2017: Journal of the Association for Research in Otolaryngology: JARO
https://www.readbyqxmd.com/read/28097064/phalangeal-joints-kinematics-during-ostrich-struthio-camelus-locomotion
#8
Rui Zhang, Qiaoli Ji, Gang Luo, Shuliang Xue, Songsong Ma, Jianqiao Li, Lei Ren
The ostrich is a highly cursorial bipedal land animal with a permanently elevated metatarsophalangeal joint supported by only two toes. Although locomotor kinematics in walking and running ostriches have been examined, these studies have been largely limited to above the metatarsophalangeal joint. In this study, kinematic data of all major toe joints were collected from gaits with double support (slow walking) to running during stance period in a semi-natural setup with two selected cooperative ostriches. Statistical analyses were conducted to investigate the effect of locomotor gait on toe joint kinematics...
2017: PeerJ
https://www.readbyqxmd.com/read/28096408/rhythm-judgments-reveal-a-frequency-asymmetry-in-the-perception-and-neural-coding-of-sound-synchrony
#9
Magdalena Wojtczak, Anahita H Mehta, Andrew J Oxenham
In modern Western music, melody is commonly conveyed by pitch changes in the highest-register voice, whereas meter or rhythm is often carried by instruments with lower pitches. An intriguing and recently suggested possibility is that the custom of assigning rhythmic functions to lower-pitch instruments may have emerged because of fundamental properties of the auditory system that result in superior time encoding for low pitches. Here we compare rhythm and synchrony perception between low- and high-frequency tones, using both behavioral and EEG techniques...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28096321/synchronous-single-port-access-laparoscopic-right-hemicolectomy-and-laparoscopic-assisted-vaginal-hysterectomy-with-bilateral-salpingo-oophorectomy
#10
Jessica Ybañez-Morano, Andrew C Tiu
Laparoscopic surgery through a single incision is gaining popularity with different stakeholders. The advantages of improved cosmetics, decreased postoperative pain and blood loss continue to attract patients from different surgical fields. Multidisciplinary approach to different surgical entities through a single incision has just been introduced. We report the first case of a synchronous single-port access (SPA) laparoscopic right hemicolectomy and laparoscopic-assisted vaginal hysterectomy with bilateral salpingo-oophorectomy through a single incision above the umbilicus in a 48-year-old female with ascending colon mass and uterine mass with good postoperative outcomes...
January 16, 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28095322/competent-processing-techniques-for-scaffolds-in-tissue-engineering
#11
REVIEW
Ranjna C Dutta, Madhuri Dey, Aroop K Dutta, Bikramjit Basu
Engineering a functional tissue ex vivo requires a synchronized effort towards developing technologies for ECM mimicking scaffold and cultivating tissue-specific cells in an integrated and controlled manner. Cell-interactive scaffolds in three dimensions (3D), designed and processed appropriately with an apt biomaterial to yield optimal porosity and mechanical strength is the key in tissue engineering (TE). In order to accomplish these facets in a 3D scaffold, multiple techniques and processes have been explored by researchers all over the world...
January 14, 2017: Biotechnology Advances
https://www.readbyqxmd.com/read/28095198/effects-of-small-world-rewiring-probability-and-noisy-synaptic-conductivity-on-slow-waves-cortical-network
#12
Ramazan Tekin, Mehmet Emin Tagluk
Physiological rhythms play a critical role in the functional development of living beings. Many biological functions are executed with an interaction of rhythms produced by internal characteristics of scores of cells. While synchronized oscillations may be associated with normal brain functions, anomalies in these oscillations may cause or relate the emergence of some neurological or neuropsychological pathologies. This study was designed to investigate the effects of topological structure and synaptic conductivity noise on the spatial synchronization and temporal rhythmicity of the waves generated by cells in the network...
January 17, 2017: Neural Computation
https://www.readbyqxmd.com/read/28094975/endoribonuclease-based-two-component-repressor-systems-for-tight-gene-expression-control-in-plants
#13
Yan Liang, Sarah M Richardson, Jingwei Yan, Veronica T Benites, Clarabelle Cheng-Yue, Thu Tran, Jenny Mortimer, Aindrila Mukhopadhyay, Jay D Keasling, Dominique Loque
Tight control and multifactorial regulation of gene expression are important challenges in genetic engineering and are critical for the development of regulatory circuits. Meeting these challenges will facilitate transgene expression regulation and support fine-tuning of metabolic pathways to avoid the accumulation of undesired intermediates. By employing the endoribonuclease Csy4 and its recognition sequence from Pseudomonas aeruginosa and manipulating 5'UTR of mRNA, we developed a two-component expression-repression system to tightly control synthesis of transgene products...
January 17, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28094946/competing-e2-and-sn2-mechanisms-for-the-f-ch3ch2i-reaction
#14
Li Yang, Jiaxu Zhang, Jing Xie, Xinyou Ma, Linyao Zhang, Chenyang Zhao, William Louis Hase
Anti-, syn-E2 and inv-, ret-SN2 reaction channels for the gas-phase reaction of F- + CH3CH2I were characterized with a variety of electronic structure calculations. A geometrical analysis confirmed the synchronous E2-type transition states for the elimination of current reaction, instead of nonconcerted processes through E1cb-like and E1-like mechanisms. Importantly, the controversy concerning reactant complex for anti-E2 and inv-SN2 paths have been clarified in the present work. A positive barrier of + 19...
January 17, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28094799/activation-of-wnt-%C3%AE-catenin-signalling-via-gsk3-inhibitors-direct-differentiation-of-human-adipose-stem-cells-into-functional-hepatocytes
#15
Jieqiong Huang, Xinyue Guo, Weihong Li, Haiyan Zhang
The generation of hepatocytes that are derived from human adipose stem cells (hASCs) represents an alternative to human hepatocytes for individualized therapeutic and pharmaceutical applications. However, the mechanisms facilitating hepatocyte differentiation from hASCs are not well understood. Here, we show that upon exposure to glycogen synthase kinase 3 (GSK3) inhibitors alone, the expression of definitive endoderm specific genes GATA4, FOXA2, and SOX17 in hASCs significantly increased in a manner with activation of Wnt/β-catenin signalling...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094772/cardiac-afferent-activity-modulates-the-expression-of-racial-stereotypes
#16
Ruben T Azevedo, Sarah N Garfinkel, Hugo D Critchley, Manos Tsakiris
Negative racial stereotypes tend to associate Black people with threat. This often leads to the misidentification of harmless objects as weapons held by a Black individual. Yet, little is known about how bodily states impact the expression of racial stereotyping. By tapping into the phasic activation of arterial baroreceptors, known to be associated with changes in the neural processing of fearful stimuli, we show activation of race-threat stereotypes synchronized with the cardiovascular cycle. Across two established tasks, stimuli depicting Black or White individuals were presented to coincide with either the cardiac systole or diastole...
January 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28093803/novel-ecg-synchronized-pulsatile-ecls-system-with-various-heart-rates-and-cardiac-arrhythmias-an-in-vitro-study
#17
Shigang Wang, Shannon B Spencer, Allen R Kunselman, Akif Ündar
The objective of this study is to evaluate electrocardiography (ECG)-synchronized pulsatile flow under varying heart rates and different atrial and ventricular arrhythmias in a simulated extracorporeal life support (ECLS) system. The ECLS circuit consisted of an i-cor diagonal pump and console, an iLA membrane ventilator, and an 18 Fr arterial cannula. The circuit was primed with lactated Ringer's solution and packed red blood cells (hematocrit 35%). An ECG simulator was used to trigger pulsatile flow and to generate selected cardiac rhythms...
January 2017: Artificial Organs
https://www.readbyqxmd.com/read/28093753/a-lemma-science-of-mind-the-potential-of-the-kegon-flower-ornament-sutra
#18
Shin'ichi Nakazawa
The paper argues for a new perspective on the relationship between Buddhism and European psychology, or sciences of the mind, based in the Kegon Sutra, a text that emerged in the early stages of Mahayana Buddhism (3(rd) - 5(th) century CE). The basis of European science is logos intellection, formalized by Aristotle as following three laws: the law of identity, the law of contradiction and the law of the excluded middle. Logic in the Buddhist tradition, by contrast, is based in lemma (meaning to understand as a whole not with language, but with intuition)...
February 2017: Journal of Analytical Psychology
https://www.readbyqxmd.com/read/28093202/sensorless-h%C3%A2-speed-tracking-synthesis-for-surface-mount-permanent-magnet-synchronous-motor
#19
Ramón Ramírez-Villalobos, Luis T Aguilar, Luis N Coria
In this paper, a sensorless speed tracking control is proposed for a surface-mount permanent magnet synchronous motor by using a nonlinear H∞-controller via stator currents measurements for feedback. An output feedback nonlinear H∞-controller was designed such that the undisturbed system is uniformly asymptotically stable around the desired speed reference, while also the effects of external vanishing and non-vanishing disturbances, noise, and input backlash were attenuated locally. The rotor position was calculated from the causal dynamic output feedback compensator and from the desired speed reference...
January 13, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28092590/adaptive-neural-synchronization-control-for-bilateral-teleoperation-systems-with-time-delay-and-backlash-like-hysteresis
#20
Huanqing Wang, Peter Xiaoping Liu, Shichao Liu
This paper considers the master and slave synchronization control for bilateral teleoperation systems with time delay and backlash-like hysteresis. Based on radial basis functions neural networks' approximation capabilities, two improved adaptive neural control approaches are developed. By Lyapunov stability analysis, the position and velocity tracking errors are guaranteed to converge to a small neighborhood of the origin. The contributions of this paper can be summarized as follows: 1) by using the matrix norm established using the weight vector of neural networks as the estimated parameters, two novel control schemes are developed and 2) the hysteresis inverse is not required in the proposed controllers...
January 10, 2017: IEEE Transactions on Cybernetics
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