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https://www.readbyqxmd.com/read/28301564/temperature-dependent-phenology-of-plutella-xylostella-lepidoptera-plutellidae-simulation-and-visualization-of-current-and-future-distributions-along-the-eastern-afromontane
#1
Benignus V Ngowi, Henri E Z Tonnang, Evans M Mwangi, Tino Johansson, Janet Ambale, Paul N Ndegwa, Sevgan Subramanian
There is a scarcity of laboratory and field-based results showing the movement of the diamondback moth (DBM) Plutella xylostella (L.) across a spatial scale. We studied the population growth of the diamondback moth (DBM) Plutella xylostella (L.) under six constant temperatures, to understand and predict population changes along altitudinal gradients and under climate change scenarios. Non-linear functions were fitted to continuously model DBM development, mortality, longevity and oviposition. We compiled the best-fitted functions for each life stage to yield a phenology model, which we stochastically simulated to estimate the life table parameters...
2017: PloS One
https://www.readbyqxmd.com/read/28296694/current-state-of-dbm
#2
Christopher D Chaput
No abstract text is available yet for this article.
April 1, 2017: Spine
https://www.readbyqxmd.com/read/28290574/optimisation-of-the-dibromomaleimide-dbm-platform-for-native-antibody-conjugation-by-accelerated-post-conjugation-hydrolysis
#3
Maurício Morais, João P M Nunes, Kersti Karu, Nafsika Forte, Irene Benni, Mark E B Smith, Stephen Caddick, Vijay Chudasama, James R Baker
Disulfide bridging offers a convenient approach to generate site-selective antibody conjugates from native antibodies. To optimise the reagents available to achieve this strategy, we describe here the use of dibromomaleimides designed to undergo accelerated post-conjugation hydrolysis. Conjugation and hydrolysis, which serve to 'lock' the conjugates as robustly stable maleamic acids, is achieved in just over 1 h. This dramatic acceleration is also shown to infer significant improvements in homogeneity, as demonstrated by mass spectrometry analysis...
March 14, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28282910/enhanced-passive-rf-dc-converter-circuit-efficiency-for-low-rf-energy-harvesting
#4
Issam Chaour, Ahmed Fakhfakh, Olfa Kanoun
For radio frequency energy transmission, the conversion efficiency of the receiver is decisive not only for reducing sending power, but also for enabling energy transmission over long and variable distances. In this contribution, we present a passive RF-DC converter for energy harvesting at ultra-low input power at 868 MHz. The novel converter consists of a reactive matching circuit and a combined voltage multiplier and rectifier. The stored energy in the input inductor and capacitance, during the negative wave, is conveyed to the output capacitance during the positive one...
March 9, 2017: Sensors
https://www.readbyqxmd.com/read/28278483/a-400-mhz-wireless-neural-signal-processing-ic-with-625-%C3%A3-on-chip-data-reduction-and-reconfigurable-bfsk-qpsk-transmitter-based-on-sequential-injection-locking
#5
Kok-Hin Teng, Tong Wu, Xiayun Liu, Zhi Yang, Chun-Huat Heng
An 8-channel wireless neural signal processing IC, which can perform real-time spike detection, alignment, and feature extraction, and wireless data transmission is proposed. A reconfigurable BFSK/QPSK transmitter (TX) at MICS/MedRadio band is incorporated to support different data rate requirement. By using an Exponential Component-Polynomial Component (EC-PC) spike processing unit with an incremental principal component analysis (IPCA) engine, the detection of neural spikes with poor SNR is possible while achieving 625× data reduction...
March 3, 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28269350/saw-lc-coupled-resonator-wideband-vco-for-medical-telemetry
#6
Madhav Venkateswaran, Mark Hillig, James E Brown, Paul J Stadnik, Jeffrey A Von Arx, Brian Sutton, Larry J Stotts
Wireless links with implantable devices can help in real-time monitoring of symptoms, irregularities, implanted device efficacy and their reconfiguration. We present the design of a low-power wideband voltage controlled oscillator (VCO) to facilitate implantable wireless telemetry. A coupled SAW-LC resonator design combines high Q and spectral purity of a SAW element and tunability of an LC-tank. The designed 2.7 MHz bandwidth VCO is suitable for full duplex communication protocols in the MedRadio band with frequency agility and higher duty cycles, in conformance with FCC regulations...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28264244/demineralized-bone-matrix-dbm-as-a-bone-void-filler-in-lumbar-interbody-fusion-a-prospective-pilot-study-of-simultaneous-dbm-and-autologous-bone-grafts
#7
Bum-Joon Kim, Se-Hoon Kim, Haebin Lee, Seung-Hwan Lee, Won-Hyung Kim, Sung-Won Jin
OBJECTIVE: Solid bone fusion is an essential process in spinal stabilization surgery. Recently, as several minimally invasive spinal surgeries have developed, a need of artificial bone substitutes such as demineralized bone matrix (DBM), has arisen. We investigated the in vivo bone growth rate of DBM as a bone void filler compared to a local autologous bone grafts. METHODS: From April 2014 to August 2015, 20 patients with a one or two-level spinal stenosis were included...
March 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28264242/polyetheretherketone-cage-with-demineralized-bone-matrix-can-replace-iliac-crest-autografts-for-anterior-cervical-discectomy-and-fusion-in-subaxial-cervical-spine-injuries
#8
Soo-Han Kim, Jung-Kil Lee, Jae-Won Jang, Hyun-Woong Park, Hyuk Hur
OBJECTIVE: This study aimed to compare the clinical and radiologic outcomes of patients with subaxial cervical injury who underwent anterior cervical discectomy and fusion (ACDF) with autologous iliac bone graft or polyetheretherketone (PEEK) cages using demineralized bone matrix (DBM). METHODS: From January 2005 to December 2010, 70 patients who underwent one-level ACDF with plate fixation for post-traumatic subaxial cervical spinal injury in a single institution were retrospectively investigated...
March 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28253279/demineralized-bone-matrix-used-for-direct-pulp-capping-in-rats
#9
Qian Liu, Yanhong Ma, Junlan Wang, Xuefang Zhu, Yanjing Yang, Yufeng Mei
OBJECTIVES: To evaluate the wound healing process following direct pulp capping with demineralized bone matrix (DBM) and calcium hydroxide (Ca(OH)2). METHODS: Fifty 8-weeks-old SPF Wistar male rats were divided into two groups: one was the DBM treated group, and the other was the Ca(OH)2 treated group. Pulpotomy was performed on the maxillary first molar of one side of each rat, and the another side was left as the blank control. Rats were sacrificed after each observation period (1, 3, 7, 14 and 28 days) and specimen slices were made...
2017: PloS One
https://www.readbyqxmd.com/read/28249567/a-reference-gene-set-for-sex-pheromone-biosynthesis-and-degradation-genes-from-the-diamondback-moth-plutella-xylostella-based-on-genome-and-transcriptome-digital-gene-expression-analyses
#10
Peng He, Yun-Fei Zhang, Duan-Yang Hong, Jun Wang, Xing-Liang Wang, Ling-Hua Zuo, Xian-Fu Tang, Wei-Ming Xu, Ming He
BACKGROUND: Female moths synthesize species-specific sex pheromone components and release them to attract male moths, which depend on precise sex pheromone chemosensory system to locate females. Two types of genes involved in the sex pheromone biosynthesis and degradation pathways play essential roles in this important moth behavior. To understand the function of genes in the sex pheromone pathway, this study investigated the genome-wide and digital gene expression of sex pheromone biosynthesis and degradation genes in various adult tissues in the diamondback moth (DBM), Plutella xylostella, which is a notorious vegetable pest worldwide...
March 1, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28241070/stress-self-esteem-and-well-being-among-female-health-professionals-a-randomized-clinical-trial-on-the-impact-of-a-self-care-intervention-mediated-by-the-senses
#11
Eliseth Ribeiro Leão, Daniela Reis Dal Fabbro, Rebeca Barqueiro de Oliveira, Ingrid Ribeiro Dos Santos, Elivane da Silva Victor, Rita Lacerda Aquarone, Cristiane Benvenuto Andrade, Vivian Finotti Ribeiro, Roselaine Coelho de Oliveira, Rosa Friedlander, Daniela Santos Ferreira
BACKGROUND: Stress levels are evident among health professionals. However, there are few studies on sensory-based self-care aimed at stress management, self-esteem and subjective well-being in this group of professionals. OBJECTIVE: To assess the impact of a self-care intervention mediated by the senses on the stress levels, self-esteem and well-being of health professionals in a hospital environment. METHODS: A total of 93 health professionals participated in an unblinded clinical trial, randomized into four groups: 1) control (no intervention); 2) Monosensory-daily body moisturizing (DBM) with odorless cream; 3) Bisensory-DBM with scented cream; 4) Multisensory-DBM with scented cream associated with audiovisual material...
2017: PloS One
https://www.readbyqxmd.com/read/28227592/saw-lc-coupled-resonator-wideband-vco-for-medical-telemetry
#12
Madhav Venkateswaran, Mark Hillig, James E Brown, Paul J Stadnik, Jeffrey A Von Arx, Brian Sutton, Larry J Stotts, Madhav Venkateswaran, Mark Hillig, James E Brown, Paul J Stadnik, Jeffrey A Von Arx, Brian Sutton, Larry J Stotts, Mark Hillig, Jeffrey A Von Arx, Madhav Venkateswaran, Brian Sutton, James E Brown, Paul J Stadnik, Larry J Stotts
Wireless links with implantable devices can help in real-time monitoring of symptoms, irregularities, implanted device efficacy and their reconfiguration. We present the design of a low-power wideband voltage controlled oscillator (VCO) to facilitate implantable wireless telemetry. A coupled SAW-LC resonator design combines high Q and spectral purity of a SAW element and tunability of an LC-tank. The designed 2.7 MHz bandwidth VCO is suitable for full duplex communication protocols in the MedRadio band with frequency agility and higher duty cycles, in conformance with FCC regulations...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28214897/mir-125b-regulates-the-osteogenic-differentiation-of-human-mesenchymal-stem-cells-by-targeting-bmpr1b
#13
Huaqing Wang, Zhao Xie, Tianyong Hou, Zhiqiang Li, Ke Huang, Jicheng Gong, Wei Zhou, Kanglai Tang, Jianzhong Xu, Shiwu Dong
BACKGROUND/AIMS: Osteogenic differentiation of mesenchymal stem cells (MSCs) plays a crucial role in bone regeneration and bone reparation. This complex process is regulated precisely and firmly by specific factors. Recent studies have demonstrated that miR-125b regulates osteogenic differentiation, but little is known about the molecular mechanisms of this regulation. Furthermore, how miR-125b regulates the osteogenic differentiation of MSCs still needs elucidation. METHODS: In the present study, human bone marrow-derived mesenchymal stem cells (hBMSCs) were isolated and induced to osteoblasts with miR-125b inhibition or overexpression...
January 31, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28207623/feasibility-of-percutaneous-posterolateral-spinal-fusion-with-recombinant-bone-morphogenetic-protein-2-rhbmp-2-a-comparison-with-standard-methods-using-an-animal-model-study
#14
Chris Yin Wei Chan, Mun Keong Kwan, Lim Beng Saw, Hussin Paisal
BACKGROUND CONTEXT: The clinical application of recombinant bone morphogenetic protein in spinal surgery has been shown to be safe and effective. However, its use in minimally invasive spine surgery has been limited to anterior interbody fusion procedures. To date, no study has evaluated the feasibility of percutaneous posterolateral fusion in the spine utilizing recombinant bone morphogenetic protein-2 (rhBMP-2). PURPOSE: To evaluate the feasibility of percutaneous posterolateral fusion in the spine utilizing rhBMP-2...
March 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28193541/a-nano-scaled-and-multi-layered-recombinant-fibronectin-cadherin-chimera-composite-selectively-concentrates-osteogenesis-related-cells-and-factors-to-aid-bone-repair
#15
Junchao Xing, Tieniu Mei, Keyu Luo, Zhiqiang Li, Aijun Yang, Zhilin Li, Zhao Xie, Zehua Zhang, Shiwu Dong, Tianyong Hou, Jianzhong Xu, Fei Luo
Easily accessible and effective bone grafts are in urgent need in clinic. The selective cell retention (SCR) strategy, by which osteogenesis-related cells and factors are enriched from bone marrow into bio-scaffolds, holds great promise. However, the retention efficacy is limited by the relatively low densities of osteogenesis-related cells and factors in marrow; in addition, a lack of satisfactory surface modifiers for scaffolds further exacerbates the dilemma. To address this issue, a multi-layered construct consisting of a recombinant fibronectin/cadherin chimera was established via a layer-by-layer self-assembly technique (LBL-rFN/CDH) and used to modify demineralised bone matrix (DBM) scaffolds...
February 11, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28188395/marshall-r-urist-and-the-discovery-of-bone-morphogenetic-proteins
#16
Lovorka Grgurevic, Marko Pecina, Slobodan Vukicevic
Over the last 40 years International Orthopaedics has published a series of articles on bone morphogenetic proteins (BMPs) covering topics from basic research to clinical applications. This includes also work submitted from the Laboratory for Mineralized Tissues of the School of Medicine University of Zagreb. Accordingly, we felt obliged to give a short summary of Dr. Urist's life and work as our gratitude to his discovery that demineralized bone matrix (DBM) activity induces bone when implanted ectopically into the muscle or under the skin due to bone inducing proteins, named BMPs...
February 11, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28168366/evolution-of-patency-rates-of-self-expandable-bare-metal-stents-for-endovascular-treatment-of-femoro-popliteal-arterial-occlusive-disease-does-stent-design-matter
#17
Karla Maria Treitl, Benedikt Woerner, Regina Schinner, Michael Czihal, Susan Notohamiprodjo, Ulrich Hoffmann, Marcus Treitl
OBJECTIVE: To analyse the patency rates of femoro-popliteal stenting with different self-expandable Nitinol stent-designs. METHODS: Two hundred and twenty-two patients (142 (64%) male; age 72.4 ± 11.6 years) with symptomatic femoro-popliteal peripheral arterial occlusive disease (PAOD) underwent percutaneous transluminal angioplasty (PTA) and stenting with three different Nitinol stents (interwoven IW: n = 70; closed-cell CC: n = 85; open-cell OC: n = 67)...
February 6, 2017: European Radiology
https://www.readbyqxmd.com/read/28162888/the-effectiveness-of-demineralized-cortical-bone-matrix-in-a-chronic-rotator-cuff-tear-model
#18
Tanujan Thangarajah, Frederick Henshaw, Anita Sanghani-Kerai, Simon M Lambert, Gordon W Blunn, Catherine J Pendegrass
BACKGROUND: The purpose of this study was to assess the effect of demineralized bone matrix (DBM) on rotator cuff tendon-bone healing. The hypothesis was that compared with a commercially available dermal matrix scaffold, DBM would result in a higher bone mineral density and regenerate a morphologically superior enthesis in a rat model of chronic rotator cuff degeneration. METHODS: Eighteen female Wistar rats underwent unilateral detachment of the supraspinatus tendon...
February 2, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28159330/neurosurgery-of-the-future-deep-brain-stimulations-and-manipulations
#19
Stylianos Nicolaidis
Important advances are afoot in the field of neurosurgery-particularly in the realms of deep brain stimulation (DBS), deep brain manipulation (DBM), and the newly introduced refinement "closed-loop" deep brain stimulation (CLDBS). Use of closed-loop technology will make both DBS and DBM more precise as procedures and will broaden their indications. CLDBS utilizes as feedback a variety of sources of electrophysiological and neurochemical afferent information about the function of the brain structures to be treated or studied...
April 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28158004/high-speed-underwater-optical-wireless-communication-using-a-blue-gan-based-micro-led
#20
Pengfei Tian, Xiaoyan Liu, Suyu Yi, Yuxin Huang, Shuailong Zhang, Xiaolin Zhou, Laigui Hu, Lirong Zheng, Ran Liu
High-speed underwater optical wireless communication (UOWC) was achieved using an 80 μm blue-emitting GaN-based micro-LED. The micro-LED has a peak emission wavelength of ~440 nm and an underwater power attenuation of 1 dB/m in tap water. The -3 dB electrical-to-optical modulation bandwidth of the packaged micro-LED increases with increasing current and saturates at ~160 MHz. At an underwater distance of 0.6 m, 800 Mb/s data rate was achieved with a bit error rate (BER) of 1.3 × 10<sup>-3</sup>, below the forward error correction (FEC) criteria...
January 23, 2017: Optics Express
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