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retention, support, stability

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https://www.readbyqxmd.com/read/28912434/food-grade-filler-particles-as-an-alternative-method-to-modify-the-texture-and-stability-of-myofibrillar-gels
#1
Andrew J Gravelle, Shai Barbut, Alejandro G Marangoni
A series of food grade particles were characterized for their potential as fillers in myofibrillar gels. The fillers were separated into (i) hydrophilic, insoluble, crystalline particles and (ii) starch granules. The particles used were microcrystalline cellulose, oat fiber and walnut shell flour, as well as potato and tapioca starches. Crystalline particles increased hardness and decreased recovery properties. Although all of these fillers decreased the T2 relaxation time of water, this was dependent on particle type and size...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28865133/prosthodontic-rehabilitation-of-an-ectodermal-dysplasia-patient-with-implant-telescopic-crown-attachments
#2
Hussain D Alsayed, Nasser M Alqahtani, John A Levon, Dean Morton
Telescopic crown attachments have been successfully used in completely and partially edentulous patients. This type of attachment provides retention, support, and stability with optimal hygiene for the removable dental prosthesis (RDP). With the emergence of CAD/CAM technology, telescopic crown attachments can be virtually designed and milled precisely to ensure a passive fit of the attachment parts and maximal functionality of the RDP. This article reviews both the clinical outcome and prosthodontic rehabilitation of telescopic crown attachments of an edentulous ectodermal dysplasia patient with solitary rigid conical telescopic crown attachments...
September 2, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28858719/liposome-supported-enzymatic-peritoneal-dialysis
#3
Anna Pratsinis, Stefanie Zuercher, Vincent Forster, Eric J Fischer, Paola Luciani, Jean-Christophe Leroux
Compared to hemodialysis, peritoneal dialysis represents a more straightforward and less invasive alternative, though current solutions are not as effective. Herein, the feasibility of liposome-supported enzymatic peritoneal dialysis (LSEPD) is explored to increase the functionality of peritoneal dialysis for the model indication acute alcohol poisoning. Enzyme-loaded liposomes (E-Liposomes) containing alcohol metabolizing enzymes, alcohol oxidase and catalase, are developed and their in vitro and in vivo performances investigated...
August 14, 2017: Biomaterials
https://www.readbyqxmd.com/read/28851635/a-novel-polyurethane-nano-zno-matrix-for-immobilization-of-chitinolytic-enzymes-and-optical-sensing-of-chitin
#4
Preety, Vinita Hooda
Purified chitinase from Vigna mungo and N-acetyl β glucosaminidase (NAGase) from Canavalia ensiformis were immobilized on to the novel polyurethane (PU)/zinc oxide nanoparticles (nano ZnO) composite matrix with a conjugation yield of 0.785±0.01mg/cm(2) and 96.19±0.85% retention of specific activity. Scanning Electron Microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR) also confirmed the presence of nano ZnO and enzymes on the PU support. Thus synthesized PU/nano ZnO/chitinase/NAGase conjugates were optimized with respect to pH, temperature and substrate concentration and successfully employed for development of an absorbance based optical biosensor for chitin determination in stored wheat grains...
August 26, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28841076/strategic-workforce-planning-for-health-human-resources-a-nursing-case-analysis
#5
Andrea Baumann, Mary Crea-Arsenio, Noori Akhtar-Danesh, Bonnie Fleming-Carroll, Mabel Hunsberger, Margaret Keatings, Michael David Elfassy, Sarah Kratina
Background Health-care organizations provide services in a challenging environment, making the introduction of health human resources initiatives especially critical for safe patient care. Purpose To demonstrate how one specialty hospital in Ontario, Canada, leveraged an employment policy to stabilize its nursing workforce over a six-year period (2007 to 2012). Methods An observational cross-sectional study was conducted in which administrative data were analyzed to compare full-time status and retention of new nurses prepolicy and during the policy...
September 2016: Canadian Journal of Nursing Research, Revue Canadienne de Recherche en Sciences Infirmières
https://www.readbyqxmd.com/read/28810229/photodegradation-of-sulfathiazole-under-simulated-sunlight-kinetics-photo-induced-structural-rearrangement-and-antimicrobial-activities-of-photoproducts
#6
Xi-Zhi Niu, Julie Glady-Croué, Jean-Philippe Croué
Photolysis is a core natural process impacting the fate of some sulfonamide antibiotics in sunlit waters. In this study, sunlight-induced phototransformation of sulfathiazole was investigated. A photolytic quantum yield of 0.079 was obtained in buffered water (pH = 8.0). Different natural organic matter isolates inhibited the photolysis of sulfathiazole by light screening effect. A kinetic model was developed to predict the photodegradation rate of sulfathiazole using the light screening correction factor of the water matrix in the wavelength range of 300-350 nm...
August 9, 2017: Water Research
https://www.readbyqxmd.com/read/28805255/mandibular-complete-denture-versus-single-implant-overdenture-a-systematic-review-of-patient-reported-outcomes
#7
REVIEW
Túlio Eduardo Nogueira, Danilo Rocha Dias, Cláudio Rodrigues Leles
The single-implant mandibular overdenture (SIMO) has been proposed as an alternative for edentulous patients who are poorly adapted to their dentures due to low retention and stability of the conventional mandibular complete denture (CD). However, there is a lack of evidence regarding the effectiveness of SIMO, which can be measured by examining patient perception of treatment effects. The aim of this systematic review was to assess the comparative results of CD and SIMO treatments by using patient-reported outcome measures...
August 14, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28804052/understanding-interactions-of-formerly-incarcerated-hiv-positive-men-and-transgender-women-with-substance-use-treatment-medical-and-criminal-justice-systems
#8
Nina T Harawa, Bita Amani, Jane Rohde Bowers, Jennifer N Sayles, William Cunningham
BACKGROUND: Low levels of medical care engagement have been noted for HIV-positive people leaving systems of incarceration in the United States. Substance misuse frequently co-occurs with criminal justice involvement in individuals who are living with HIV. METHODS: We analyzed data from in-depth interviews with 19 HIV-positive individuals who were currently or formerly incarcerated in order to elucidate challenges faced in accessing care and maintaining HIV treatment regimens when cycling out of (and often back into) custody...
October 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28773819/nature-of-the-electrochemical-properties-of-sulphur-substituted-limn%C3%A2-o%C3%A2-spinel-cathode-material-studied-by-electrochemical-impedance-spectroscopy
#9
Monika Bakierska, Michał Świętosławski, Roman Dziembaj, Marcin Molenda
In this work, nanostructured LiMn₂O₄ (LMO) and LiMn₂O3.99S0.01 (LMOS1) spinel cathode materials were comprehensively investigated in terms of electrochemical properties. For this purpose, electrochemical impedance spectroscopy (EIS) measurements as a function of state of charge (SOC) were conducted on a representative charge and discharge cycle. The changes in the electrochemical performance of the stoichiometric and sulphur-substituted lithium manganese oxide spinels were examined, and suggested explanations for the observed dependencies were given...
August 16, 2016: Materials
https://www.readbyqxmd.com/read/28762520/nanomaterials-as-stationary-phases-and-supports-in-liquid-chromatography
#10
REVIEW
Sandya R Beeram, Elliott Rodriguez, Suresh Doddavenkatanna, Zhao Li, Allegra Pekarek, Darin Peev, Kathryn Goerl, Gianfranco Trovato, Tino Hofmann, David S Hage
The development of various nanomaterials over the last few decades has led to many applications for these materials in liquid chromatography (LC). This review will look at the types of nanomaterials that have been incorporated into LC systems and the applications that have been explored for such systems. A number of carbon-based nanomaterials and inorganic nanomaterials have been considered for use in LC, ranging from carbon nanotubes, fullerenes and nanodiamonds to metal nanoparticles and nanostructures based on silica, alumina, zirconia and titanium dioxide...
August 1, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28744319/-177-lu-pentixather-comprehensive-preclinical-characterization-of-a-first-cxcr4-directed-endoradiotherapeutic-agent
#11
Margret Schottelius, Theresa Osl, Andreas Poschenrieder, Frauke Hoffmann, Seval Beykan, Heribert Hänscheid, Andreas Schirbel, Andreas K Buck, Saskia Kropf, Markus Schwaiger, Ulrich Keller, Michael Lassmann, Hans-Jürgen Wester
Purpose: Based on the clinical relevance of the chemokine receptor 4 (CXCR4) as a molecular target in cancer and on the success of [(68)Ga]pentixafor as an imaging probe for high-contrast visualization of CXCR4-expression, the spectrum of clinical CXCR4-targeting was expanded towards peptide receptor radionuclide therapy (PRRT) by the development of [(177)Lu]pentixather. Experimental design: CXCR4 affinity, binding specificity, hCXCR4 selectivity and internalization efficiency of [(177)Lu]pentixather were evaluated using different human and murine cancer cell lines...
2017: Theranostics
https://www.readbyqxmd.com/read/28728975/continuous-nitrogen-removal-by-a-single-stage-reactor-packed-with-ring-laced-string-medium
#12
Masahiro Tatara, Shu Ishikawa, Yoshiyuki Ueno
The efficiency of nitrogen removal by a partial-nitritation/anammox (PNA) reaction was investigated using a packed-bed reactor in which ring-laced strings were used as the supporting medium. A stable population of PNA microorganisms was established from typical activated sludge, after less than two months of acclimation in the packed-bed reactor, by applying a high nitrogen-loading rate (NLR: 0.53 kg/m(3)/d) and short hydraulic retention time (HRT: 1.8 h). The stability of reactor performance was confirmed in industrial wastewater (IW), demonstrating a nitrogen removal efficiency (NRE) of greater than 77% during 260 days of continuous operation, between 0...
July 17, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28728415/-177-lu-labeled-cyclic-minigastrin-analogues-with-therapeutic-activity-in-cck2r-expressing-tumors-preclinical-evaluation-of-a-kit-formulation
#13
Christine Rangger, Maximilian Klingler, Lajos Balogh, Zita Pöstényi, Andras Polyak, Dariusz Pawlak, Renata Mikołajczak, Elisabeth von Guggenberg
Minigastrin (MG) analogues specifically target cholecystokinin-2 receptors (CCK2R) expressed in different tumors and enable targeted radiotherapy of advanced and disseminated disease when radiolabeled with a beta emitter such as (177)Lu. Especially truncated MG analogues missing the penta-Glu sequence are associated with low kidney retention and seem therefore most promising for therapeutic use. Based on [d-Glu(1),desGlu(2-6)]MG (MG11) we have designed the two cyclic MG analogues cyclo(1,9)[γ-d-Glu(1),desGlu(2-6),d-Lys(9)]MG (cyclo-MG1) and cyclo(1,9)[γ-d-Glu(1),desGlu(2-6),d-Lys(9),Nle(11)]MG (cyclo-MG2)...
August 7, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28700791/efficacy-of-tramadol-extended-release-for-opioid-withdrawal-a-randomized-clinical-trial
#14
Kelly E Dunn, D Andrew Tompkins, George E Bigelow, Eric C Strain
Importance: Opioid use disorder (OUD) is a significant public health problem. Supervised withdrawal (ie, detoxification) from opioids using clonidine or buprenorphine hydrochloride is a widely used treatment. Objective: To evaluate whether tramadol hydrochloride extended-release (ER), an approved analgesic with opioid and nonopioid mechanisms of action and low abuse potential, is effective for use in supervised withdrawal settings. Design, Setting, and Participants: A randomized clinical trial was conducted in a residential research setting with 103 participants with OUD...
September 1, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28693573/a-qualitative-assessment-of-an-abstinence-oriented-therapeutic-community-for-prisoners-with-substance-use-disorders-in-kyrgyzstan
#15
Lyuba Azbel, Julia Rozanova, Ingo Michels, Frederick L Altice, Heino Stöver
BACKGROUND: Kyrgyzstan, where HIV is concentrated in prisons and driven by injection drug use, provides a prison-based methadone maintenance therapy program as well as abstinence-oriented therapeutic community based on the 12-step model called the "Clean Zone." We aimed to qualitatively assess how prisoners navigate between these treatment options to understand the persistence of the Clean Zone despite a lack of evidence to support its effectiveness in treating opioid use disorders. METHODS: We conducted an analysis of policy documents and over 60 h of participant observation in February 2016, which included focus groups with a convenience sample of 20 therapeutic community staff members, 110 prisoners across three male and one female prisons, and qualitative interviews with two former Clean Zone participants...
July 10, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28661126/transition-metal-ions-enable-the-transition-from-electrospun-prolamin-protein-fibers-to-nitrogen-doped-freestanding-carbon-films-for-flexible-supercapacitors
#16
Yixiang Wang, Jingqi Yang, Rongbing Du, Lingyun Chen
Flexible carbon ultrafine fibers are highly desirable in energy storage and conversion devices. Our previous finding showed that electrospun hordein/zein fibers stabilized by Ca(2+) were successfully transferred into nitrogen-doped carbon ultrafine fibers for supercapacitors. However, their relatively brittle nature needed to be improved. Inspired by this stabilizing effect of Ca(2+), in this work, four transition metal divalent cations were used to assist the formation of flexible hordein/zein-derived carbon ultrafine fibers...
July 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28628356/clips-versus-resilient-liners-used-with-bilateral-posterior-prefabricated-bars-for-retaining-four-implant-supported-mandibular-overdentures
#17
Mona Gibreel, Mohammed Fouad, Fatma El-Waseef, Nesma El-Amier, Hamdy Marzook
The objective of this research was to clinically compare peri-implant tissue health of bar-clips versus silicone-resilient liners used with bilateral posterior bars for retaining four implant supported mandibular overdentures. Thirty completely edentulous male patients (mean age 65) were randomly assigned into two equal groups. Each patient received four implants in canine and first molar regions of the mandible using flapless surgical technique. Mandibular overdentures were immediately connected to the implants with bilateral prefabricated instant adjusting bars...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28619721/hagfish-slime-exudate-stabilization-and-its-effect-on-slime-formation-and-functionality
#18
L J Böni, R Zurflüh, M Widmer, P Fischer, E J Windhab, P A Rühs, S Kuster
Hagfish produce vast amounts of slime when under attack. The slime is the most dilute hydrogel known to date, and is a highly interesting material for biomaterial research. It forms from a glandular secrete, called exudate, which deploys upon contact with seawater. To study slime formation ex vivo and to characterize its material properties, stabilization of the sensitive slime exudate is crucial. In this study, we compared the two main stabilization methods, dispersion in high osmolarity citrate/PIPES (CP) buffer and immersion in oil, and tested the influence of time, temperature and pH on the stability of the exudate and functionality of the slime...
July 15, 2017: Biology Open
https://www.readbyqxmd.com/read/28589922/graphene-oxide-hydrogel-as-a-restricted-area-nanoreactor-for-synthesis-of-3d-graphene-supported-ultrafine-tio2-nanorod-nanocomposites-for-high-rate-lithium-ion-battery-anodes
#19
Jianli Cheng, Guifang Gu, Wei Ni, Qun Guan, Yinchuan Li, Bin Wang
Three-dimensional graphene-supported TiO2 nanorod nanocomposites (3D GS-TNR) are prepared using graphene oxide hydrogel as a restricted-area nanoreactor in the hydrothermal process, in which well-distributed TiO2 nanorods with a width of approximately 5 nm and length of 30 nm are conformally embedded in the 3D interconnected graphene network. The 3D graphene oxide not only works as a restricted-area nanoreactor to constrain the size, distribution and morphology of the TiO2; it also work as a highly interconnected conducting network to facilitate electrochemical reactions and maintain good structural integration when the nanocomposites are used as anode materials in lithium-ion batteries...
June 7, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28571293/management-of-severely-atrophic-mandibular-ridge-using-hollow-denture-with-an-analytical-discussion-a-clinical-case-report
#20
Rupal Jaydip Shah, Sanjay Balaji Lagdive, Satyaprakash Ranjit Shah, Vishal Bipinbihari Verma, Shraddha Lalit Saini
A severely resorbed edentulous mandibular ridge, although fairly common in occurrence, its rehabilitation poses a challenging clinical situation for the prosthodontist. This has implored prosthodontists to seek for ingenious modifications in the conventional prosthetic forms so as to gratify patient's expectations who have difficulty in wearing the mandibular complete dentures. Opting for the most suitable treatment modality mandates equilibrating the retention, stability and support triad to the fullest. Extreme resorption of the denture bearing tissue bed may lead to problems with achieving adequate levels of prosthetic satisfaction for the patient...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
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