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https://www.readbyqxmd.com/read/29149765/sorption-desorption-of-antimony-species-onto-calcined-hydrotalcite-surface-structure-and-control-of-competitive-anions
#1
Leonel Vinicius Constantino, Juliana Nunes Quirino, Taufik Abrão, Paulo Sérgio Parreira, Alexandre Urbano, Maria Josefa Santos
Calcined hydrotalcite can be applied to remove anionic contaminants from aqueous systems such as antimony species due to its great anion exchange capacity and high surface area. Hence, this study evaluated antimonite and antimonate sorption-desorption processes onto calcined hydrotalcite in the presence of nitrate, sulfate and phosphate. Sorption and desorption experiments of antimonite and antimonate were carried out in batch equilibrium and the post-sorption solids were analyzed by X-ray fluorescence (EDXRF)...
November 10, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29138051/sarcopenia-in-peripheral-arterial-disease-prevalence-and-impact-on-functional-status
#2
Odessa Addison, Steven J Prior, Rishi Kundi, Monica C Serra, Leslie I Katzel, Andrew W Gardner, Alice S Ryan
OBJECTIVES: To determine the prevalence of sarcopenia in older men with peripheral arterial disease (PAD) and to compare to a subset of the group to age, race, sex, and body mass index (BMI)-matched non-PAD control counterparts. We also sought to compare the functional status of those with PAD with and without sarcopenia. DESIGN: Cohort study. SETTING: A Veterans Affairs medical center. PARTICIPANTS: Sedentary, community dwelling men age 50+ years with a confirmed diagnosis of PAD (N=108; 44% black; BMI 27...
November 11, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29131506/development-of-a-capillary-electrophoresis-method-for-the-determination-of-the-chiral-purity-of-dextromethorphan-by-a-dual-selector-system-using-quality-by-design-methodology
#3
Sulaiman Krait, Matthias Heuermann, Gerhard K E Scriba
Dextromethorphan is a centrally acting antitussive drug, while its enantiomer levomethorphan is an illicit drug with opioid analgesic effects. As capillary electrophoresis has been proven as an ideal technique for enantiomer analysis, the present study was conducted in order to develop a capillary-electrophoresis-based limit test for levomethorphan. The analytical target profile was defined that the method should be able to determine levomethorphan with acceptable precision and accuracy at the 0.1 % level. From initial scouting experiments, a dual selector system consisting of sulfated β-cyclodextrin and methyl-α-cyclodextrin was identified...
November 13, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/29120687/a-100-patient-clinical-evaluation-of-an-alternating-pressure-replacement-mattress-in-a-home-based-setting
#4
Jackie Stephen-Haynes, Rosie Callaghan
BACKGROUND: alternating pressure air mattresses (APAMs) support the prevention and management of pressure ulcers. A health and care NHS trust was seeking an APAM that would improve clinical outcomes in relation to pressure ulcers while considering financial cost. An APAM existed that could meet the trust's needs but there was a lack of evidence over its use in a community/home setting. This study examined the effect of using the Dual Professional (IQ Medical) APAM for patients at a high risk of pressure ulceration...
November 8, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29119371/risk-of-revision-and-dislocation-in-single-dual-mobility-and-large-femoral-head-total-hip-arthroplasty-systematic-review-and-network-meta-analysis
#5
Kwanchai Pituckanotai, Alisara Arirachakaran, Harit Tuchinda, Chinundorn Putananon, Nitiphol Nualsalee, Kittipong Setrkraising, Jatupon Kongtharvonskul
Postoperative dislocation is a challenging complication after total hip arthroplasty (THA) that affects patient outcome worldwide. Instability is one of the main complications with rates exceeding 20% in some series. Currently, alternative acetabular components are available with dual mobility (DMTHA) bearing surfaces and larger femoral head size that may reduce the risk of dislocation, yet provide the functional benefit of standard single mobility (STHA) bearing surface THA. However, whether STHA, big femoral head (BTHA) and DMTHA should be used is still controversial...
November 8, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29117247/a-mobile-loop-near-the-active-site-acts-as-a-switch-between-the-dual-activities-of-a-viral-protease-deubiquitinase
#6
Isabelle Jupin, Maya Ayach, Lucile Jomat, Sonia Fieulaine, Stéphane Bressanelli
The positive-strand RNA virus Turnip yellow mosaic virus (TYMV) encodes an ovarian tumor (OTU)-like protease/deubiquitinase (PRO/DUB) protein domain involved both in proteolytic processing of the viral polyprotein through its PRO activity, and in removal of ubiquitin chains from ubiquitylated substrates through its DUB activity. Here, the crystal structures of TYMV PRO/DUB mutants and molecular dynamics simulations reveal that an idiosyncratic mobile loop participates in reversibly constricting its unusual catalytic site by adopting "open", "intermediate" or "closed" conformations...
November 8, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/29115575/microrna-142-3p-relieves-neuropathic-pain-by-targeting-high-mobility-group-box-1
#7
Yang Zhang, Junying Mou, Li Cao, Su Zhen, Hongjuan Huang, Hongguang Bao
MicroRNA (miRNA) are emerging as critical regulators of neuropathic pain development. Neuroinflammation contributes to the development of neuropathic pain. miR‑142‑3p has been characterized as an inflammation‑related miRNA in various pathological processes. However, little is known about the role of miR‑142‑3p in neuroinflammation and neuropathic pain. The present study aimed to investigate the function of miR‑142‑3p in neuropathic pain by creating a murine model using spinal nerve ligation (SNL)...
October 27, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29114848/racial-differences-in-patterns-of-use-of-rehabilitation-services-for-adults-aged-65-and-older
#8
Tamra Keeney, Alan M Jette, Vicki A Freedman, Howard Cabral
OBJECTIVES: To examine racial differences in the use of rehabilitation services and functional improvement during receipt of services. DESIGN: Secondary analysis of the 2016 National Health and Aging Trends Study (NHATS). SETTING: Standardized in-person home interviews. PARTICIPANTS: Community-dwelling Medicare enrollees (N = 6,309), 1,276 of whom reported receiving rehabilitation services in the previous 12 months. MEASUREMENTS: Self-reported use of rehabilitation services, setting (inpatient, outpatient, home based), reason for use, and perceptions of change in functioning after receiving services...
November 8, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29097407/comparison-of-pet-ct-with-sequential-pet-mri-using-an-mr-compatible-mobile-pet-system
#9
Ryusuke Nakamoto, Yuji Nakamoto, Takayoshi Ishimori, Yasutaka Fushimi, Aki Kido, Kaori Togashi
Objectives: The current study tested a newly developed flexible PET (positron emission tomography) scanner prototype. This flexible PET (fxPET) system involves dual arc-shaped detectors based on silicon photomultipliers, which are designed to fit existing magnetic resonance (MR) devices, allowing us to get fused PET and MR images by sequential PET scanning. This prospective study sought to evaluate image quality, lesion detection rate, and quantitative values of fxPET in comparison with conventional whole-body (WB) PET images, and to assess the accuracy of registration...
November 2, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29097056/a-community-based-bionic-leg-rehabilitation-program-for-patients-with-chronic-stroke-clinical-trial-protocol
#10
Amy Wright, Keeron Stone, Danielle Lambrick, Simon Fryer, Lee Stoner, Edward Tasker, Simon Jobson, Grace Smith, John Batten, Jo Batey, Vicky Hudson, Helen Hobbs, James Faulkner
Stroke is a major global health problem whereby many survivors have unmet needs concerning mobility during recovery. As such, the use of robotic-assisted devices (i.e., a bionic leg) within a community setting may be an important adjunct to normal physiotherapy in chronic stroke survivors. This study will be a dual-center, randomized, parallel group clinical trial to investigate the impact of a community-based training program using a bionic leg on biomechanical, cardiovascular, and functional outcomes in stroke survivors...
October 30, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29096547/body-composition-and-its-association-with-physical-performance-quality-of-life-and-clinical-indictors-in-charcot-marie-tooth-disease-a-pilot-study
#11
Daniel Hackett, Daniel Roberts-Clarke, Nidhi Jain, Yorgi Mavros, Guy C Wilson, Mark Halaki, Joshua Burns, Garth Nicholson, Maria Fiatarone Singh, Che Fornusek
AIM: To investigate whether the amount and distribution of lean body mass and fat mass is associated with disease severity in adults with Charcot-Marie Tooth. METHODS: Ten participants (age 46 ± 13 y, height 1.7 ± 0.1 m, and body mass 77 ± 17 kg) with Charcot-Marie Tooth disease were involved in this study. Participants were evaluated for quality of life, falls efficacy, balance, mobility, muscle strength, and power. Body composition was measured using dual energy x-ray absorptiometry...
November 2, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29079169/utilizing-dual-mobility-components-for-first-time-revision-total-hip-arthroplasty-for-instability
#12
Jeffrey K Lange, Sara K Spiro, Geoffrey H Westrich
BACKGROUND: Dislocation following total hip arthroplasty (THA) remains a significant clinical problem. Few studies have focused on the use of dual mobility (DM) components in the setting of first-time revision for instability following THA. Here, we investigate patient outcomes following first-time revision THA with DM components for a diagnosis of instability. METHODS: Institution-wide revision THAs using DM components performed between 2010 and 2013 were identified...
September 23, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29079016/the-8-year-experience-of-the-florence-referral-ecmo-center-and-retrieval-team-for-acute-respiratory-failure
#13
Giovanni Cianchi, Chiara Lazzeri, Manuela Bonizzoli, Stefano Batacchi, Morena Cozzolino, Marco Ciapetti, Pasquale Bernardo, Andrea Franci, Marco Chiostri, Adriano Peris
OBJECTIVE: Many extracorporeal membrane oxygenation (ECMO) centers for respiratory failure and ECMO mobile teams were instituted during the H1N1 pandemic. Data on transportation are scarce and heterogeneous. The authors therefore described the experience of their referral ECMO center for severe respiratory failure from 2009 to 2016 and gave a comprehensive report of transfers performed by their mobile ECMO team. DESIGN: Observational retrospective study. SETTING: An intensive care unit (ECMO referral center) in a teaching hospital...
June 8, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29072360/mobile-phase-effects-on-the-retention-on-polar-columns-with-special-attention-to-the-dual-hydrophilic-interaction-reversed-phase-liquid-chromatography-mechanism-a-review
#14
REVIEW
Pavel Jandera, Tomáš Hájek
Hydrophilic interaction liquid chromatography on polar columns in aqueous-organic mobile phases has become increasingly popular for the separation of many biologically important compounds in chemical, environmental, food, toxicological and other samples. In spite of many new applications appearing in literature, the retention mechanism is still controversial. This review addresses recent progress in understanding of the retention models in hydrophilic interaction liquid chromatography. The main attention is focused on the role of water, both adsorbed by the column and contained in the bulk mobile phase...
October 26, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/29072185/translation-and-validation-of-the-greek-psoriatic-arthritis-quality-of-life-scale
#15
Α Heaney, J Stepanous, S P McKenna, P Athanassiou, A A Vidalis
Psoriatic arthritis (PsA) is a chronic inflammatory disease that has a significant impact on patients' quality of life (QoL). The Psoriatic Arthritis Quality of Life (PsAQoL) Scale was developed in the UK to be specific to PsA patients and adopts the needs-based model of QoL. As a disease-specific measure, the PsAQoL is superior to generic measures of QoL in terms of relevance and sensitivity. The measure, which has been adapted into 50 languages, has not previously been available for use with Greek PsA patients...
July 2017: Psychiatrikē, Psychiatriki
https://www.readbyqxmd.com/read/29066105/in%C3%A2-vivo-kinematic-comparison-of-a-bicruciate-stabilized-total-knee-arthroplasty-and-the-normal-knee-using-fluoroscopy
#16
Trevor F Grieco, Adrija Sharma, Garett M Dessinger, Harold E Cates, Richard D Komistek
BACKGROUND: The bicruciate stabilized (BCS) total knee arthroplasty (TKA) features asymmetrical bearing geometry and dual substitution for the anterior cruciate ligament and posterior cruciate ligament (PCL). Previous TKA designs have not fully replicated normal knee motion, and they are characterized by lower magnitudes of overall rollback and axial rotation than the normal knee. METHODS: In vivo kinematics were derived for 10 normal knees and 40-second generation BCS TKAs all implanted by a single surgeon...
September 25, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29063736/a-practical-guide-to-the-preparation-and-use-of-metal-ion-buffered-systems-for-physiological-research
#17
REVIEW
Felix Neumaier, Serdar Alpdogan, Jürgen Hescheler, Toni Schneider
Recent recognition that mobile pools of Zn(2+) and Cu(2+) are involved in the regulation of neuronal, endocrine and other cells has stimulated the development of tools to visualize and quantify the level of free trace metal ions. Most of the methods used to measure or control loosely bound metals require reference media that contain exactly defined free concentrations of the target ions. Despite the central importance of proper metal ion buffering, there is still a lack of international standards and beginners in the field may have difficulties finding a coherent description of how to prepare trace metal ion buffers, especially when experiments are to be performed in multi-metal systems...
October 24, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/29060798/impedimetric-investigation-of-dual-electrical-properties-of-reduced-graphene-oxide-based-biosensors-in-the-detection-of-dopamine
#18
Shu-Ping Lin, Jhong-Yi Ciou, Tung-Yen Lai, Tsung-Wu Lin
Because of the properties of high charge mobility, large detection area and chemical stability of graphene, it has been applied in many biomedical applications. Graphene oxide (GO) with abundant oxygenated functional groups is easily to form an aqueous suspension by sonication. Here, the exposed areas on the patterned-circuit silicon-based chips were first modified by (3-aminopropyl) trimethoxysilane (APTMS) for later chemically immobilized GO. After that, solution-based reduction process using hydrazine was used to gain reduced GO (RGO)-based biosensors...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29060598/a-wearable-autonomous-heart-rate-sensor-based-on-piezoelectric-charge-gated-thin-film-transistor-for-continuous-multi-point-monitoring
#19
Ahmed Rasheed, Emad Iranmanesh, Weiwei Li, Hai Ou, Andrey S Andrenko, Kai Wang
Autonomous wearable biomedical sensors enable continuous human body vital signs monitoring with features such as being conformable, mobile, cost-effective and self-powered. In this work, we report on an autonomous and multi-positional sensor capable of heart rate and blood pressure monitoring. The device concept is based on a piezoelectric-charge-gated thin-film transistor (PCGTFT) where a polyvinylidene fluoride (PVDF) piezoelectric sandwich structure is incorporated with an amorphous silicon (a-Si:H) dual-gate TFT (DGTFT)...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29056457/vibrio-cholerae-combines-individual-and-collective-sensing-to-trigger-biofilm-dispersal
#20
Praveen K Singh, Sabina Bartalomej, Raimo Hartmann, Hannah Jeckel, Lucia Vidakovic, Carey D Nadell, Knut Drescher
Bacteria can generate benefits for themselves and their kin by living in multicellular, matrix-enclosed communities, termed biofilms, which are fundamental to microbial ecology and the impact bacteria have on the environment, infections, and industry [1-6]. The advantages of the biofilm mode of life include increased stress resistance and access to concentrated nutrient sources [3, 7, 8]. However, there are also costs associated with biofilm growth, including the metabolic burden of biofilm matrix production, increased resource competition, and limited mobility inside the community [9-11]...
November 6, 2017: Current Biology: CB
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