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https://www.readbyqxmd.com/read/28325033/user-intent-prediction-with-a-scaled-conjugate-gradient-trained-artificial-neural-network-for-lower-limb-amputees-using-a-powered-prosthesis
#1
Richard B Woodward, John A Spanias, Levi J Hargrove
Powered lower limb prostheses have the ability to provide greater mobility for amputee patients. Such prostheses often have pre-programmed modes which can allow activities such as climbing stairs and descending ramps, something which many amputees struggle with when using non-powered limbs. Previous literature has shown how pattern classification can allow seamless transitions between modes with a high accuracy and without any user interaction. Although accurate, training and testing each subject with their own dependent data is time consuming...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324938/application-of-semi-supervised-deep-learning-to-lung-sound-analysis
#2
Daniel Chamberlain, Rahul Kodgule, Daniela Ganelin, Vivek Miglani, Richard Ribon Fletcher
The analysis of lung sounds, collected through auscultation, is a fundamental component of pulmonary disease diagnostics for primary care and general patient monitoring for telemedicine. Despite advances in computation and algorithms, the goal of automated lung sound identification and classification has remained elusive. Over the past 40 years, published work in this field has demonstrated only limited success in identifying lung sounds, with most published studies using only a small numbers of patients (typically N<;20) and usually limited to a single type of lung sound...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324937/data-driven-estimation-of-blood-pressure-using-photoplethysmographic-signals
#3
Shi Chao Gao, Peter Wittek, Li Zhao, Wen Jun Jiang
Noninvasive measurement of blood pressure by optical methods receives considerable interest, but the complexity of the measurement and the difficulty of adjusting parameters restrict applications. We develop a method for estimating the systolic and diastolic blood pressure using a single-point optical recording of a photoplethysmographic (PPG) signal. The estimation is data-driven, we use automated machine learning algorithms instead of mathematical models. Combining supervised learning with a discrete wavelet transform, the method is insensitive to minor irregularities in the PPG waveform, hence both pulse oximeters and smartphone cameras can record the signal...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324932/an-ict-and-mobile-health-integrated-approach-to-optimize-patients-education-on-hypertension-and-its-management-by-physicians-the-patients-optimal-strategy-of-treatment-post-pilot-study
#4
Fabio Albini, Xiaoqiu Liu, Camilla Torlasco, Davide Soranna, Andrea Faini, Renata Ciminaghi, Ada Celsi, Matteo Benedetti, Antonella Zambon, Marco di Rienzo, Gianfranco Parati
INTRODUCTION: Uncontrolled hypertension is largely attributed to unsatisfactory doctor's engagement in its optimal management and to poor patients' compliance to therapeutic interventions. ICT and mobile Health solutions might improve these conditions, being widely available and providing highly effective communication strategies. OBJECTIVE: To evaluate whether ICT and mobile Health tools are able to improve hypertension control by improving doctors' engagement and by increasing patients' education and involvement, and their compliance to lifestyle modification and prescribed drug therapy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324869/applications-of-high-pressure-to-pre-rigor-rabbit-muscles-affect-the-functional-properties-associated-with-heat-induced-gelation
#5
Siwen Xue, Huijuan Yang, Rui Liu, Chang Qian, Mengyao Wang, Yufeng Zou, Xinglian Xu, Guanghong Zhou
High pressure (HP) was applied to pre-rigor rabbit muscles (PRRMs) for the manufacture of value-added gel-type products. A 2×3 factorial design was adopted for HP-treatment (100, 200 and 300MPa for 15 or 180s) to PRRMs. The HP-treated meat was used for gel preparation and determination of water mobility properties and textural profiles. Salt-soluble meat proteins (SSMP) were then extracted from meat for estimating the tertiary conformational changes (hydrophobic and sulfhydryl groups). The water-holding capacity of treated samples increased significantly (P<0...
March 10, 2017: Meat Science
https://www.readbyqxmd.com/read/28324841/metal-mobilization-from-metallurgical-wastes-by-soil-organic-acids
#6
Anna Potysz, Malgorzata Grybos, Jakub Kierczak, Gilles Guibaud, Patrice Fondaneche, Piet N L Lens, Eric D van Hullebusch
Three types of Cu-slags differing in chemical and mineralogical composition (historical, shaft furnace, and granulated slags) and a matte from a lead recovery process were studied with respect to their susceptibility to release Cu, Zn and Pb upon exposure to organic acids commonly encountered in soil environments. Leaching experiments (24-960 h) were conducted with: i) humic acid (20 mg/L) at pH t0 = 4.4, ii) fulvic acid (20 mg/L) at pH t0 = 4.4, iii) an artificial root exudates (ARE) (17.4 g/L) solution at pH t0 = 4...
March 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28324840/biosorption-of-diethyl-phthalate-ester-by-living-and-nonliving-burkholderia-cepacia-and-the-role-of-its-cell-surface-components
#7
Si Luo, Langlang Li, Anwei Chen, Qingru Zeng, Hao Xia, Ji-Dong Gu
In this study, the dibutyl phthalate (DBP) binding properties of a DBP-tolerant bacterium (B. cepacia) were characterized in terms of adsorption kinetics and isotherm. Living and nonliving cells both exhibited rapid removal of DBP, achieving more than 80% of maximum sorption within 30 min of contact and reached the equilibrium after 3 h. The adsorption isotherms were well fitted with the Sips model and the nonliving cells have greater biosorption capacity and affinity for DBP than the living cells. Furthermore, the absence of an active mechanism dependent on metabolism implied that the DBP bioaccumulation by living cells was mainly attribute to passive surface binding...
March 11, 2017: Chemosphere
https://www.readbyqxmd.com/read/28324819/impact-of-different-feedstocks-derived-biochar-amendment-with-cadmium-low-uptake-affinity-cultivar-of-pak-choi-brassica-rapa-ssb-chinensis-l-on-phytoavoidation-of-cd-to-reduce-potential-dietary-toxicity
#8
Kiran Yasmin Khan, Barkat Ali, Xiaoqiang Cui, Ying Feng, Xiaoe Yang, Peter Joseph Stoffella
Biochar has become eco-friendly amendment used for phytoavoidation with low cadmium (Cd) accumulating cultivars of crops to ensure food safety in Cd contaminated soils. In this study, biochar with different waste feedstock material were evaluated for their effectiveness on essential trace metals mobility, Cd bioavailability and its accumulation in two contrasting Cd accumulating cultivars of pak choi (Brassica rapa ssp. chinensis L.) grown in Cd contaminated Mollisol soil. A greenhouse experiment was conducted with plants grown in Cd contaminated soil that had been amended with biochar derived from barley straw, tomato green waste, chicken manure, duck manure and swine manure at application rate of 0%, 2...
March 18, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28324754/effects-of-sit-to-stand-training-combined-with-transcutaneous-electrical-stimulation-on-spasticity-muscle-strength-and-balance-ability-in-patients-with-stroke-a-randomized-controlled-study
#9
Kyoung-Sim Jung, Tae-Sung In, Hwi-Young Cho
Sit-to-stand is a fundamental movement of human being for performing mobility and independent activity. However, Stroke people symptoms experience difficulty in conducting the sit-to-stand due to paralysis and especially ankle spasticity. Recently, transcutaneouselectrical- stimulation (TENS) is used to reduce pain but also to manage spasticity. The purpose of this study was to determine (1) whether TENS would lead to ankle spasticity reduction and (2) whether sit-to-stand training combined with TENS would improve spasticity, muscle strength and balance ability in stroke patients...
March 10, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28324620/exposure-to-electromagnetic-fields-from-smart-utility-meters-in-gb-part-i-laboratory-measurements
#10
Azadeh Peyman, Darren Addison, Terry Mee, Cristian Goiceanu, Myron Maslanyj, Simon Mann
Laboratory measurements of electric fields have been carried out around examples of smart meter devices used in Great Britain. The aim was to quantify exposure of people to radiofrequency signals emitted from smart meter devices operating at 2.4 GHz, and then to compare this with international (ICNIRP) health-related guidelines and with exposures from other telecommunication sources such as mobile phones and Wi-Fi devices. The angular distribution of the electric fields from a sample of 39 smart meter devices was measured in a controlled laboratory environment...
March 21, 2017: Bioelectromagnetics
https://www.readbyqxmd.com/read/28324613/analysis-of-protein-kinetics-using-fluorescence-recovery-after-photobleaching-frap
#11
Nickolaos Nikiforos Giakoumakis, Maria Anna Rapsomaniki, Zoi Lygerou
Fluorescence recovery after photobleaching (FRAP) is a cutting-edge live-cell functional imaging technique that enables the exploration of protein dynamics in individual cells and thus permits the elucidation of protein mobility, function, and interactions at a single-cell level. During a typical FRAP experiment, fluorescent molecules in a defined region of interest within the cell are bleached by a short and powerful laser pulse, while the recovery of the fluorescence in the region is monitored over time by time-lapse microscopy...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28324249/evaluation-of-organic-amendment-on-the-effect-of-cadmium-bioavailability-in-contaminated-soils-using-the-dgt-technique-and-traditional-methods
#12
EDITORIAL
Yu Yao, Qin Sun, Chao Wang, Pei-Fang Wang, Shi-Ming Ding
Organic amendments have been widely proposed as a remediation technology for metal-contaminated soils, but there exist controversial results on their effectiveness. In this study, the effect of pig manure addition on cadmium (Cd) bioavailability in Cd-contaminated soils was systematically evaluated by one dynamic, in situ technique of diffusive gradients in thin films (DGT) and four traditional methods based on the equilibrium theory (soil solution concentration and the three commonly used extractants, i.e...
March 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28324178/complete-genome-sequence-analysis-of-a-novel-staphylococcus-phage-stap1-and-proposal-of-a-new-species-in-the-genus-silviavirus
#13
Amal Senevirathne, Kuntal Ghosh, Eunjung Roh, Kwang-Pyo Kim
Bacteriophage StAP1 was isolated from a soil sample infecting Staphylococcus aureus and S. xylosus. Its genome was found to be 135,502 base pairs (bp) long with 30.00 mol% G+C content and 192 open reading frames. While no tRNA encoding genes were identified, 7 mobile elements were found to interrupt five StAP1 open reading frames. Comparative genomic and proteomic analysis consistently supports the establishment of a new species in the genus Silviavirus.
March 21, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28324125/exercise-and-cancer-from-healthy-to-therapeutic
#14
REVIEW
Manja Idorn, Per Thor Straten
Exercise improves functional capacity and patient-reported outcomes across a range of cancer diagnoses. The mechanisms behind this protection have been largely unknown, but exercise-mediated changes in body composition, sex hormone levels, systemic inflammation, and immune cell function have been suggested to play a role. We recently demonstrated that voluntary exercise leads to an influx of immune cells in tumors, and a more than 60% reduction in tumor incidence and growth across several mouse models. Given the common mechanisms of immune cell mobilization in mouse and man during exercise, we hypothesize that this link between exercise and the immune system can be exploited in cancer therapy in particular in combination with immunotherapy...
March 21, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28323846/problems-identified-by-dual-sensory-impaired-older-adults-in-long-term-care-when-using-a-self-management-program-a-qualitative-study
#15
Lieve Roets-Merken, Sytse Zuidema, Myrra Vernooij-Dassen, Marianne Dees, Pieter Hermsen, Gertrudis Kempen, Maud Graff
OBJECTIVE: To gain insights into the problems of dual sensory impaired older adults in long-term care. Insights into these problems are essential for developing adequate policies which address the needs of the increasing population of dual sensory impaired older adults in long-term care. METHODS: A qualitative study was conducted in parallel with a cluster randomized controlled trial. Dual sensory impaired older adults in the intervention group (n = 47, age range 82-98) were invited by a familiar nurse to identify the problems they wanted to address...
2017: PloS One
https://www.readbyqxmd.com/read/28323844/nuclear-localization-of-amyloid-%C3%AE-precursor-protein-binding-protein-fe65-is-dependent-on-regulated-intramembrane-proteolysis
#16
Niina A Koistinen, Anna K Edlund, Preeti K Menon, Elena V Ivanova, Smaranda Bacanu, Kerstin Iverfeldt
Fe65 is an adaptor protein involved in both processing and signaling of the Alzheimer-associated amyloid-β precursor protein, APP. Here, the subcellular localization was further investigated using TAP-tagged Fe65 constructs expressed in human neuroblastoma cells. Our results indicate that PTB2 rather than the WW domain is important for the nuclear localization of Fe65. Electrophoretic mobility shift of Fe65 caused by phosphorylation was not detected in the nuclear fraction, suggesting that phosphorylation could restrict nuclear localization of Fe65...
2017: PloS One
https://www.readbyqxmd.com/read/28323733/linear-endobronchial-ultrasound-guided-insertion-of-a-fiducial-marker-a-new-tool-for-tracking-central-lesions
#17
Alessio Casutt, Angela Koutsokera, Nicolas Peguret, Alban Lovis
Stereotactic body radiotherapy (SBRT) is an effective method for the treatment of localized primary lung tumors. Cyberknife, a highly accurate SBRT technique, follows the target during respiratory cycles using a metallic fiducial marker (FM) previously inserted into the lesion. Various methods have been described for the placement of an FM in peripheral pulmonary lesions; however, none of these is appropriate for mediastinal or hilar tumors. The placement of FMs in central lesions to achieve accurate SBRT is particularly relevant due to their higher mobility during respiratory and cardiac cycles...
April 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28323714/osteointegration-and-resorption-of-intravertebral-and-extravertebral-calcium-phosphate-cement
#18
Roman Klein, Ralf Tetzlaff, Christel Weiss, Meike-Kristina Schäfer, Michael Tanner, Bernd Wiedenhöfer, Ingo Grafe, Peter-Jürgen Meeder, Gerd Noeldge, Peter P Nawroth, Christian Kasperk
STUDY DESIGN: Eleven patients with painful osteoporotic vertebral fractures who underwent kyphoplasty using calcium phosphate (CaP) cement were followed up for 1 week, 1, 2, and 3 years in a monocentric, nonrandomized, noncontrolled retrospective trial. OBJECTIVE: This study investigates long-term radiomorphologic features of intraosseous CaP cement implants and of extraosseous CaP cement leakages for up to 3 years after implantation by kyphoplasty. SUMMARY OF BACKGROUND DATA: Kyphoplasty is frequently used for the treatment of painful osteoporotic fractures...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28323670/prevention-of-respiratory-complications-of-the-surgical-patient-actionable-plan-for-continued-process-improvement
#19
Katarina J Ruscic, Stephanie D Grabitz, Maíra I Rudolph, Matthias Eikermann
PURPOSE OF REVIEW: Postoperative respiratory complications (PRCs) increase hospitalization time, 30-day mortality and costs by up to $35 000. These outcomes measures have gained prominence as bundled payments have become more common. RECENT FINDINGS: Results of recent quantitative effectiveness studies and clinical trials provide a framework that helps develop center-specific treatment guidelines, tailored to minimize the risk of PRCs. The implementation of those protocols should be guided by a local, respected, and visible facilitator who leads proper implementation while inviting center-specific input from surgeons, anesthesiologists, and other perioperative stakeholders...
March 20, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28323546/understanding-the-relationships-between-mhealth-apps-characteristics-trialability-and-mhealth-literacy
#20
Trisha T C Lin, John Robert Bautista
The widespread adoption of mobile phones has increased the potential of mHealth to improve health communication and health outcomes because these devices could serve as a ubiquitous and affordable means to disseminate health information to large populations. Given that mHealth apps offer free or limited trials as part of promotional strategies, potential users' trialability is a critical step of the preadoption process. Drawing from Rogers' diffusion of innovation theory, this study examines the relationships of adopters' perceived characteristics of mHealth apps (i...
March 21, 2017: Journal of Health Communication
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