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https://www.readbyqxmd.com/read/28227215/telehomecare-telecommunication-framework-from-remote-patient-monitoring-to-video-visits-and-robot-telepresence
#1
Pierre Lepage, Dominic Letourneau, Mathieu Hamel, Simon Briere, Helene Corriveau, Michel Tousignant, Francois Michaud, Pierre Lepage, Dominic Letourneau, Mathieu Hamel, Simon Briere, Helene Corriveau, Michel Tousignant, Francois Michaud, Simon Briere, Dominic Letourneau, Helene Corriveau, Michel Tousignant, Francois Michaud, Mathieu Hamel, Pierre Lepage
Over the last few years, the number of remote patient monitoring (RPM) products and of videoconferencing systems has exploded. There is also a significant number of research initiatives addressing the use of service robots for assistance in daily living activities. From a technological standpoint, providing telehomecare services is certainly feasible. However, one technological barrier is to have access to a telecommunication platform that can be adapted to address the broad range of specifications and requirements of clinical and telehealth applications...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227041/deformable-resection-process-map-for-intraoperative-cutting-guides
#2
Megumi Nakao, Kojiro Taura, Tetsuya Matsuda, Megumi Nakao, Kojiro Taura, Tetsuya Matsuda, Megumi Nakao, Kojiro Taura, Tetsuya Matsuda
In this paper, we will introduce the concept of deformable resection process mapping as a time-varying geometric guide for soft tissue tumor resection procedures. The deformable resection process map (RPM) estimates the local appearance of vascular structures after cuts as a novel guide. The RPM can be directly generated from patient-specific medical images using volumetric resampling techniques. Since user input of some cutting points is the only requirement for generating the RPM, the developed software will be directly available for clinical use to preview surgical procedures and intraoperative workflow management without time-consuming setups or additional workloads...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224389/development-of-a-discriminative-in-vitro-release-test-for-rivastigmine-transdermal-patches-using-pharmacopeial-apparatuses-usp-5-and-usp-6
#3
Alice Simon, Maria Inês Amaro, Anne Marie Healy, Lucio Mendes Cabral, Valeria Pereira de Sousa
The aim of this study was to develop and validate a discriminating in vitro release test to evaluate rivastigmine transdermal patches. The Exelon® Patch was chosen as a model transdermal product. The studies of in vitro release were designed to determine the impact of the official apparatus chosen (USP apparatus 5 and USP apparatus 6), the rotation speed, and the dissolution medium characteristics on the rivastigmine release profile from transdermal patches. Patches with different drug release profiles were tested in order to evaluate the discriminating power of the in vitro release test developed and validated...
February 21, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28224338/the-response-of-phosphorus-uptake-strategies-of-microcystis-aeruginosa-to-hydrodynamics-fluctuations
#4
Yue Zheng, Wujuan Mi, Yonghong Bi, Zhengyu Hu
The mechanisms of hydrodynamic fluctuation that affect cyanobacterial physiological aspects are still unclear. This study was conducted to screen the effects of hydrodynamic fluctuation on phosphorus (P) uptake by Microcystis aeruginosa. Four levels of circumfluence (0, 100, 200, and 300 rpm) and three concentrations of P (0.5, 2.0, and 5.0 mgL(-1)) were used, and the specific growth rate, cell viability, P uptake kinetic, and alkaline phosphatase activity (APA) were determined. Results showed that M. aeruginosa had a higher specific growth rate, cell viability, and P uptake rate at low and moderate circumfluence, APA increased with a decrease of the cellular P quota (Qp)...
February 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28208685/hollow-fiber-supported-liquid-membrane-extraction-combined-with-hplc-uv-for-simultaneous-preconcentration-and-determination-of-urinary-hippuric-acid-and-mandelic-acid
#5
Abdulrahman Bahrami, Farhad Ghamari, Yadollah Yamini, Farshid Ghorbani Shahna, Abbas Moghimbeigi
This work describes a new extraction method with hollow-fiber liquid-phase microextraction based on facilitated pH gradient transport for analyzing hippuric acid and mandelic acid in aqueous samples. The factors affecting the metabolites extraction were optimized as follows: the volume of sample solution was 10 mL with pH 2 containing 0.5 mol·L(-1) sodium chloride, liquid membrane containing 1-octanol with 20% (w/v) tributyl phosphate as the carrier, the time of extraction was 150 min, and stirring rate was 500 rpm...
February 12, 2017: Membranes
https://www.readbyqxmd.com/read/28202264/characteristics-and-source-appointment-of-atmospheric-particulate-mercury-over-east-china-sea-implication-on-the-deposition-of-atmospheric-particulate-mercury-in-marine-environment
#6
Lian Duan, Na Cheng, Guangli Xiu, Fujiang Wang, Ying Chen
Total Suspended Particulate (TSP) samples were collected at Huaniao Island in northern East China Sea (ECS) from March 2012 to January 2013. Chemical analysis were conducted to measure the concentration of total particulate mercury (TPM) and speciated particulate mercury including HCl-soluble particulate mercury (HPM), elemental particulate mercury (EPM) and residual particulate mercury (RPM). The bromine (Br) and iodine (I) on particles were also detected. The mean concentration of TPM during the study period was 0...
February 12, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28201961/development-and-characterization-pulsatile-microspheres-of-nifedipine-for-hypertension
#7
Rahul Taneja, Ghanshyam Das Gupta
AIM AND BACKGROUND: To develop pulsatile microspheres of Nifedipine blend of polymers Carbopol 971P and Eudragit RS100 for antihypertensive to release the drug at a particular lag time. METHODS: Pulsatile nifedipine microspheres were prepared using blend of Carbopol 971P and Eudragit RS100 at different ratio in a mixture of solvents. Formulations were prepared and optimized on the basis of particle size, percentage yield and drug entrapment efficiency. Optimized formulations were further analyzed at different resolutions per minute (rpm) by optical microscopy, scanning electron microscopy (SEM), in-vitro dissolution studies and kinetics model...
February 12, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28195286/cesium-lead-iodide-solar-cells-controlled-by-annealing-temperature
#8
Yu Geun Kim, Tae-Yoon Kim, Jeong Hyeon Oh, Kyoung Soon Choi, Youn-Jea Kim, Soo Young Kim
An inorganic lead halide perovskite film, CsPbI3, used as an absorber in perovskite solar cells (PSCs) was optimized by controlling the annealing temperature and the layer thickness. The CsPbI3 layer was synthesized by one-step coating of CsI mixed with PbI2 and a HI additive in N,N-dimethylformamide. The annealing temperature of the CsPbI3 film was varied from 80 to 120 °C for different durations and the thickness was controlled by changing the spin-coating rpm. After annealing the CsPbI3 layer at 100 °C under dark conditions for 10 min, a black phase of CsPbI3 was formed and the band gap was 1...
February 14, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28192610/salmonella-inactivation-during-extrusion-of-an-oat-flour-model-food
#9
Nathan M Anderson, Susanne E Keller, Niharika Mishra, Shannon Pickens, Dana Gradl, Tim Hartter, Galen Rokey, Christopher Dohl, Brian Plattner, Stuart Chirtel, Elizabeth M Grasso-Kelley
Little research exists on Salmonella inactivation during extrusion processing, yet many outbreaks associated with low water activity foods since 2006 were linked to extruded foods. The aim of this research was to study Salmonella inactivation during extrusion of a model cereal product. Oat flour was inoculated with Salmonella enterica serovar Agona, an outbreak strain isolated from puffed cereals, and processed using a single-screw extruder at a feed rate of 75 kg/h and a screw speed of 500 rpm. Extrudate samples were collected from the barrel outlet in sterile bags and immediately cooled in an ice-water bath...
February 13, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28192357/valorization-of-the-vicia-faba-mucilage-on-textile-wastewater-treatment-as-a-bio-flocculant-process-development-and-optimization-using-response-surface-methodology-rsm
#10
Feriel Bouatay, Nesrine Eljebsi, Sonia Dridi-Dhaouadi, Farouk Mhenni
The Vicia faba membranes are an abundant and a low cost product. In the present research paper, the extracted Vicia faba mucilage was tested as an eco-friendly flocculant for textile wastewater treatment. Its performance as flocculant, in decolorization, chemical oxygen demand (COD) removal and the concentration of total suspended solids was checked. The natural extracted product was characterized using infrared spectroscopy. The total sugars were determined in the extracted product. The effect study, followed by an optimization and modeling analysis, of some experimental parameters on the coagulation-flocculation performance, using Vicia faba mucilage (as a flocculant), combined with aluminum sulfate (as a coagulant), showed that the best conditions for the flocculation process were pH of the effluent about 7, flocculant dose about 6...
February 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28188680/experimental-fossilization-of-mat-forming-cyanobacteria-in-coarse-grained-siliciclastic-sediments
#11
S A Newman, V Klepac-Ceraj, G Mariotti, S B Pruss, N Watson, T Bosak
Microbial fossils and textures are commonly preserved in Ediacaran and early Cambrian coarse-grained siliciclastic sediments that were deposited in tidal and intertidal marine settings. In contrast, the fossilization of micro-organisms in similar marine environments of post-Cambrian age is less frequently reported. Thus, temporal discrepancies in microbial preservation may have resulted from the opening and closing of a unique taphonomic window during the terminal Proterozoic and early Phanerozoic, respectively...
February 11, 2017: Geobiology
https://www.readbyqxmd.com/read/28181520/novel-concept-for-neutron-detection-proportional-counter-filled-with-10-b-nanoparticle-aerosol
#12
F D Amaro, C M B Monteiro, J M F Dos Santos, A Antognini
The high neutron detection efficiency, good gamma-ray discrimination and non-toxicity of (3)He made of proportional counters filled with this gas the obvious choice for neutron detection, particularly in radiation portal monitors (RPM), used to control the illicit transport of nuclear material, of which neutron detectors are key components. (3)He is very rare and during the last decade this gas has become increasingly difficult to acquire. With the exception of BF3, which is toxic, no other gas can be used for neutron detection in proportional counters...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28171839/optimization-of-operating-parameters-of-novel-composite-adsorbent-for-organic-pollutants-removal-from-pome-using-response-surface-methodology
#13
A O Adeleke, Ab Aziz Ab Latiff, A A Al-Gheethi, Zawawi Daud
The present work aimed to develop a novel composite material made up of activated cow bone powder (CBP) as a starting material for reducing chemical oxygen demand (COD) and ammonia-nitrogen (NH3N) from palm oil mill effluent (POME). The optimization of the reduction efficiency was investigated using response surface methodology (RSM). Six independent variables used in the optimization experiments include pH (4-10), speed (0.27-9.66 rcf), contact time (2-24 h), particle size (1-4.35 mm), dilution factor (100-500) and adsorbent dosage (65-125 g/L)...
January 25, 2017: Chemosphere
https://www.readbyqxmd.com/read/28168200/production-and-partial-characterization-of-%C3%AE-amylase-enzyme-from-bacillus-sp-bcc-01-50-and-potential-applications
#14
Altaf Ahmed Simair, Abdul Sattar Qureshi, Imrana Khushk, Chaudhry Haider Ali, Safia Lashari, Muhammad Aqeel Bhutto, Ghulam Sughra Mangrio, Changrui Lu
Amylase is an industrially important enzyme and applied in many industrial processes such as saccharification of starchy materials, food, pharmaceutical, detergent, and textile industries. This research work deals with the optimization of fermentation conditions for α-amylase production from thermophilic bacterial strain Bacillus sp. BCC 01-50 and characterization of crude amylase. The time profile of bacterial growth and amylase production was investigated in synthetic medium and maximum enzyme titer was observed after 60 h...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28165420/behavior-of-gingival-fibroblasts-on-titanium-implant-surfaces-in-combination-with-either-injectable-prf-or-prp
#15
Xuzhu Wang, Yufeng Zhang, Joseph Choukroun, Shahram Ghanaati, Richard J Miron
Various strategies have been employed to speed tissue regeneration using bioactive molecules. Interestingly, platelet concentrates derived from a patient's own blood have been utilized as a regenerative strategy in recent years. In the present study, a novel liquid platelet formulation prepared without the use of anti-coagulants (injectable-platelet-rich fibrin, i-PRF) was compared to standard platelet-rich plasma (PRP) with gingival fibroblasts cultured on smooth and roughened titanium implant surfaces. Standard PRP and i-PRF (centrifuged at 700 rpm (60× g) for 3 min) were compared by assays for fibroblast biocompatibility, migration, adhesion, proliferation, as well as expression of platelet-derived growth factor (PDGF), transforming growth factor-β (TGF-β), collagen1 (COL1) and fibronectin (FN)...
February 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28161866/utilization-of-agro-industry-residue-for-rhamnolipid-production-by-p-aeruginosa-amb-as7-and-its-application-in-chromium-removal
#16
Mariaamalraj Samykannu, Anant Achary
Coconut oil sludge and oil cake was utilized as carbon source for biosurfactant production by Pseudomonas aeruginosa AMB AS7. The results of optimization study revealed that 1.5% (w/v) of coconut oil cake, 2% (w/v) of coconut oil sludge, pH 7.2, 37 °C, and 120 rpm were the optimum conditions for biosurfactant production. The yield coefficient of biosurfactant on biomass (Y P/X ) was 1.29 g/g. Besides, the results indicated that aeration of 0.5 vvm and agitation of 450 rpm in bioreactor resulted in high volumetric productivity of biosurfactant (r p ) and specific product formation rate (q p ) of 0...
February 4, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28161170/maternal-supplementation-with-rumen-protected-methionine-increases-prepartal-plasma-methionine-concentration-and-alters-hepatic-mrna-abundance-of-1-carbon-methionine-and-transsulfuration-pathways-in-neonatal-holstein-calves
#17
C B Jacometo, Z Zhou, D Luchini, M N Corrêa, J J Loor
An important mechanism of nutritional "programming" induced by supplementation with methyl donors during pregnancy is the alteration of mRNA abundance in the offspring. We investigated the effects of rumen-protected Met (RPM) on abundance of 17 genes in the 1-carbon, Met, and transsulfuration pathways in calf liver from cows fed the same basal diet without (control, CON) or with RPM at 0.08% of diet dry matter/d (MET) from -21 through +30 d around calving. Biopsies (n = 8 calves per diet) were harvested on d 4, 14, 28, and 50 of age...
February 1, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28155077/in-vitro-and-in-vivo-modeling-of-hydroxypropyl-methylcellulose-hpmc-matrix-tablet-erosion-under-fasting-and-postprandial-status
#18
Benjamin Guiastrennec, Erik Söderlind, Sara Richardson, Alexandra Peric, Martin Bergstrand
PURPOSE: To develop a model linking in vitro and in vivo erosion of extended release tablets under fasting and postprandial status. METHODS: A nonlinear mixed-effects model was developed from the in vitro erosion profiles of four hydroxypropyl methylcellulose (HPMC) matrix tablets studied under a range of experimental conditions. The model was used to predict in vivo erosion of the HPMC matrix tablets in different locations of the gastrointestinal tract, determined by magnetic marker monitoring...
February 2, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28154995/injectable-platelet-rich-fibrin-i-prf-opportunities-in-regenerative-dentistry
#19
Richard J Miron, Masako Fujioka-Kobayashi, Maria Hernandez, Umadevi Kandalam, Yufeng Zhang, Shahram Ghanaati, Joseph Choukroun
OBJECTIVES: Platelet rich plasma (PRP) has been utilized in regenerative dentistry as a supra-physiological concentrate of autologous growth factors capable of stimulating tissue regeneration. Despite this, concerns have been expressed regarding the use of anti-coagulants, agents known to inhibit wound healing. In this study, a liquid formulation of platelet rich fibrin (PRF) termed injectable-PRF (i-PRF) without the use of anti-coagulants was investigated. MATERIALS AND METHODS: Standard PRP and i-PRF (centrifuged at 700 rpm (60G) for 3 min) were compared for growth factor release up to 10 days (8 donor samples)...
February 2, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28154483/physiological-regulation-of-an-alkaline-resistant-laccase-produced-by-perenniporia-tephropora-and-efficiency-in-biotreatment-of-pulp-mill-effluent
#20
Churapa Teerapatsakul, Lerluck Chitradon
Regulation of alkaline-resistant laccase from Perenniporia tephropora KU-Alk4 was proved to be controlled by several factors. One important factor was the initial pH, which drove the fungus to produce different kinds of ligninolytic enzymes. P. tephropora KU-Alk4 could grow at pH 4.5, 7.0, and 8.0. The fungus produced laccase and MnP at pH 7.0, but only laccase at pH 8.0. The specific activity of laccase in the pH 8.0 culture was higher than that in the pH 7.0 culture. At pH 8.0, glucose was the best carbon source for laccase production but growth was better with lactose...
December 2016: Mycobiology
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