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https://www.readbyqxmd.com/read/29144523/protein-templated-gold-nanoparticle-synthesis-protein-organization-controlled-gold-sequestration-and-unexpected-reaction-products
#1
Cassidy Hart, Nouf Abuladel, Madeleine Bee, Megan C Kreider, Alexander C CVitan, Moira M Esson, Andrew Farag, Trisha Ibeh, Eleni N Kalivas, Daniel-Mario Larco, Andrew Walker Long, Loukas Lymperopoulos, Zachary Mendel, Nancy Miles, Carly M Zareba, James C Schwabacher, Helen Slucher, Javier Vinals, John M Heddleston, Wenyue Li, Douglas M Fox, Matthew R Hartings
Emerging applications that exploit the properties of nanoparticles for biotechnology require that the nanoparticles be biocompatible or support biological recognition. These types of particles can be produced through syntheses that involve biologically relevant molecules (proteins or natural extracts, for example). Many of the protocols that rely on these molecules are performed without a clear understanding of the mechanism by which the materials are produced. We have investigated a previously described reaction in which gold nanoparticles are produced from the reaction of chloroauric acid and proteins in solution...
November 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29137659/the-effectiveness-of-research-implementation-strategies-for-promoting-evidence-informed-policy-and-management-decisions-in-healthcare-a-systematic-review
#2
REVIEW
Mitchell N Sarkies, Kelly-Ann Bowles, Elizabeth H Skinner, Romi Haas, Haylee Lane, Terry P Haines
BACKGROUND: It is widely acknowledged that health policy and management decisions rarely reflect research evidence. Therefore, it is important to determine how to improve evidence-informed decision-making. The primary aim of this systematic review was to evaluate the effectiveness of research implementation strategies for promoting evidence-informed policy and management decisions in healthcare. The secondary aim of the review was to describe factors perceived to be associated with effective strategies and the inter-relationship between these factors...
November 14, 2017: Implementation Science: IS
https://www.readbyqxmd.com/read/29124378/usefulness-of-cross-linked-human-acellular-dermal-matrix-as-an-implant-for-dorsal-augmentation-in-rhinoplasty
#3
Chae Eun Yang, Soo Jung Kim, Ji Hee Kim, Ju Hee Lee, Tai Suk Roh, Won Jai Lee
BACKGROUND: Asian noses are relatively small and flat compared to Caucasians; therefore, rhinoplasty procedures often focus on dorsal augmentation and tip projection rather than reduction in the nasal framework. Various autologous and alloplastic implant materials have been used for dorsal augmentation. Recently, human acellular dermal matrices have been introduced as an implant material for dorsal augmentation, camouflaging autologous implants without an additional donor site. Here, we introduce a cross-linked human acellular dermal matrix as an implant material in augmentation rhinoplasty and share the clinical experiences...
November 9, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29124376/an-alternative-rhinoplasty-technique-rotational-spreader-flap-rabbit-flap
#4
Ali Ahmet Sirin, Ibrahim Erdim, Omer Erdur, Alperen Sirin
BACKGROUND: In modern rhinoplasty, septal cartilage is the most commonly used graft material. It is a big challenge if septal cartilage is insufficient. We present an alternative technique named the "rabbit flap," created from the cephalic portion of the lower lateral cartilage to show its effectiveness on nasolabial angle, nasal axis deviation, and nasal dorsal line. METHODS: An alternative flap, called a "rabbit flap," is constituted from the cephalic portion of the lower lateral cartilage (LLC)...
November 9, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29124374/complications-and-treatment-strategy-after-breast-augmentation-by-polyacrylamide-hydrogel-injection-summary-of-10-year-clinical-experience
#5
Rui Jin, Xusong Luo, Xiaoke Wang, Jie Ma, Fei Liu, Qun Yang, Jun Yang, Xi Wang
From 1997 to 2006, polyacrylamide hydrogel (PAAG) was approved for use in China as a permanent filler for breast augmentation, and it is estimated that 200,000 women have undergone PAAG injection since then. After injection, complications such as pain, mass, hematoma, asymmetry, migration, infection, and even cancer continue to emerge. Because of the potential toxicity and unstable nature of the material and the nonstandardized injection layers, complications after PAAG injection breast augmentation are often complex and difficult to treat...
November 9, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29123101/symmetry-control-of-nanorod-superlattice-driven-by-a-governing-force
#6
Yujia Liang, Yong Xie, Dongxue Chen, Chuanfei Guo, Shuai Hou, Tao Wen, Fengyou Yang, Ke Deng, Xiaochun Wu, Ivan I Smalyukh, Qian Liu
Nanoparticle self-assembly promises scalable fabrication of composite materials with unique properties, but symmetry control of assembled structures remains a challenge. By introducing a governing force in the assembly process, we develop a strategy to control assembly symmetry. As a demonstration, we realize the tetragonal superlattice of octagonal gold nanorods, breaking through the only hexagonal symmetry of the superlattice so far. Surprisingly, such sparse tetragonal superstructure exhibits much higher thermostability than its close-packed hexagonal counterpart...
November 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/29118893/content-analysis-by-the-crowd-assessing-the-usability-of-crowdsourcing-for-coding-latent-constructs
#7
Fabienne Lind, Maria Gruber, Hajo G Boomgaarden
Crowdsourcing platforms are commonly used for research in the humanities, social sciences and informatics, including the use of crowdworkers to annotate textual material or visuals. Utilizing two empirical studies, this article systematically assesses the potential of crowdcoding for less manifest contents of news texts, here focusing on political actor evaluations. Specifically, Study 1 compares the reliability and validity of crowdcoded data to that of manual content analyses; Study 2 proceeds to investigate the effects of material presentation, different types of coding instructions and answer option formats on data quality...
July 3, 2017: Communication Methods and Measures
https://www.readbyqxmd.com/read/29106881/utilization-of-a-postoperative-adenotonsillectomy-teaching-video-a-pilot-study
#8
Sarah Khan, Dmitry Tumin, Adele King, Julie Rice, Kris R Jatana, Joseph D Tobias, Vidya T Raman
BACKGROUND: Pediatric tonsillectomies are increasingly being performed as an outpatient procedure thereby increasing the parental role in post-operative pain management. However, it is unclear if parents receive adequate teaching regarding pain management. We introduced a video teaching tool and compared its efficacy alone and in combination with the standard verbal instruction. METHODS: A prospective study which randomized parents or caregivers of children undergoing tonsillectomy ± adenoidectomy into three groups: 1) standard verbal post-operative instructions; 2) watching the video teaching tool along with standard verbal instructions or 3) video teaching tool only...
November 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29104379/effect-of-dentin-disinfection-with-2-chlorhexidine-gluconate-and-0-3-iodine-on-dentin-bond-strength-an-in-vitro-study
#9
Nelamakanahalli K Suma, Kukkalli K Shashibhushan, V V Subba Reddy
Objective: Cavity preparation is a surgical procedure that attempts to remove all infected dentin.(1) Bacteria left beneath the filling material is greatest threat to the pulp. To reduce the potential for residual caries development and sensitivity, an antibacterial solution with the ability to disinfect the prepared tooth surface would be of help.(2) So this study was conducted to evaluate and compare the effect of dentin disinfection with 2% chlorhexidine gluconate (Consepsis) and 0...
July 2017: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/29103367/survey-of-risks-and-benefits-communication-strategies-by-research-nurses
#10
Lika Nusbaum, Brenda Douglas, Neenah Estrella-Luna, Michael Paasche-Orlow, Karla Damus
BACKGROUND: An ethical, informed consent process requires that potential participants understand the study, their rights, and the risks and benefits. Yet, despite strategies to improve communication, many participants still lack understanding of potential risks and benefits. Investigating attitudes and practices of research nurses can identify ways to improve the informed consent process. RESEARCH QUESTION: What are the attitudes, practices, and preparedness of nurses involved in the informed consent process regarding communication of risks and benefits? RESEARCH DESIGN: A survey was developed and administered online to a national purposive sample of 107 research nurses with experience obtaining informed consent for clinical trials...
January 1, 2017: Nursing Ethics
https://www.readbyqxmd.com/read/29103313/how-effective-are-patient-education-materials-in-educating-patients
#11
Ayla Keçeci, Sadiye Toprak, Seçil Kiliç
The aim of this research was to evaluate the patient education materials prepared and published by nurses and physicians in terms of the qualitative properties of these materials, including readability, understandability, and actionability. A total of 38 patient education materials prepared by nurses and physicians in a university hospital in Turkey were evaluated. The readability of the materials was assessed using the formulas proposed by Atesman and Cetinkaya. The Patient Education Materials Assessment Tool (PEMAT) form was used for estimating the understandability and actionability...
November 1, 2017: Clinical Nursing Research
https://www.readbyqxmd.com/read/29101435/polyurethane-foam-wound-dressing-technique-for-areola-skin-graft-stabilization-and-nipple-protection-after-nipple-areola-reconstruction
#12
Toshihiko Satake, Mayu Muto, Yu Nagashima, Shoko Haga, Yuki Homma, Reiko Nakasone, Marina Kadokura, Seiko Kou, Hiroshi Fujimoto, Jiro Maegawa
We describe a new wound management technique using a soft dressing material to stabilize the areola skin graft and protect the nipple after nipple-areola reconstruction at the final stage of breast reconstruction. We introduced a center-fenestrated multilayered hydrocellular polyurethane foam dressing material that provides adequate pressure and retains a moist environment for a smooth skin graft "take." Moreover, the reconstructed nipple can be monitored at any time through the fenestrated window for adequate blood circulation...
November 3, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29096591/comparison-between-flipped-classroom-and-lecture-based-classroom-in-ophthalmology-clerkship
#13
Fen Tang, Chuan Chen, Yi Zhu, Chengguo Zuo, Yimin Zhong, Nan Wang, Lijun Zhou, Yuxian Zou, Dan Liang
BACKGROUND: In recent years, the flipped classroom method of teaching has received much attention in health sciences education. However, the application of flipped classrooms in ophthalmology education has not been well investigated. OBJECTIVE: The goal of this study was to investigate the effectiveness and acceptability of the flipped classroom approach to teaching ophthalmology at the clerkship level. DESIGN: Ninety-five fourth year medical students in an ophthalmology clerkship were randomly divided into two groups...
2017: Medical Education Online
https://www.readbyqxmd.com/read/29095508/laser-assisted-fixation-of-a-nitinol-stapes-prosthesis
#14
Florian Schrötzlmair, Fabian Suchan, Thomas Pongratz, Eike Krause, Joachim Müller, Ronald Sroka
BACKGROUND AND OBJECTIVE: Otosclerosis is an inner ear bone disease characterized by fixation of the stapes and consequently progressive hearing loss. One treatment option is the surgical replacement of the stapes by a prosthesis. When so called "smart materials" like nitinol are used, prosthesis fixation can be performed using a laser without manual crimping on the incus. However, specific laser-prosthesis interactions have not been described yet. The aim of the present study was to elucidate the thermo-mechanical properties of the NiTiBOND® prosthesis as a basis for handling instructions for laser-assisted prosthesis fixation...
November 2, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/29056853/evaluation-of-risk-minimization-activities-for-cyproterone-acetate-2%C3%A2-mg-ethinylestradiol-35%C3%A2-%C3%A2%C2%B5g-a-cross-sectional-physician-survey
#15
Kimberly H Davis, Alex Asiimwe, Laurie J Zografos, David J McSorley, Elizabeth B Andrews
BACKGROUND: Cyproterone acetate 2 mg/ethinylestradiol 35 µg, an estrogen/progestogen treatment with anti-androgenic properties, shares a thromboembolism risk with combined hormonal contraceptives. Educational materials (i.e., direct healthcare professional communication, patient information card, prescriber checklist) were distributed to physicians to increase risk awareness. OBJECTIVE: The objective of this study was to measure physician knowledge of thromboembolism risk of cyproterone acetate 2 mg/ethinylestradiol 35 µg and ascertain whether physicians received the educational materials...
2017: Pharmaceutical Medicine
https://www.readbyqxmd.com/read/29049565/a-low-cost-bioprosthetic-semilunar-valve-for-research-disease-modelling-and-surgical-training-applications
#16
Benoit Rosa, Zurab Machaidze, Borami Shin, Sunil Manjila, David W Brown, Christopher W Baird, John E Mayer, Pierre E Dupont
OBJECTIVES: This paper provides detailed instructions for constructing low-cost bioprosthetic semilunar valves for animal research and clinical training. This work fills an important gap between existing simulator training valves and clinical valves by providing fully functioning designs that can be employed in ex vivo and in vivo experiments and can also be modified to model valvular disease. METHODS: Valves are constructed in 4 steps consisting of creating a metal frame, covering it with fabric and attaching a suture ring and leaflets...
November 1, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29042716/effectiveness-of-behavioral-vaccine-on-the-oral-health-of-children-in-komarapalayam-south-india-a-randomized-controlled-pilot-trial
#17
N Umamaheswari, Sharath Asokan, S Thangakumaran
BACKGROUND: Oral health education and promotion have emerged as a strong force against the traditional, dominant, and curative model of health practice. In pediatric dentistry, the utilization of an entertaining, easy to understand, and practical educational material is warranted. Behavioral vaccine is a simple, scientifically proven practice that is repeated to increase well-being. AIM: The aim of this study is to compare the effectiveness of conventional (instructional) dental hygiene program and "Good Behavior Game" (GBG) (contingency dental hygiene program - a behavioral vaccine) on the practice of oral hygiene among 5-7-year-old schoolchildren...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29039683/a-systematic-review-of-federal-drug-administration-docket-for-community-consultation-and-public-disclosure-in-exception-from-informed-consent-trials
#18
Adrianne N Haggins, Deneil Harney, Sara Scott, Robert Silbergleit
BACKGROUND: Exception from informed consent imposes community consultation and public disclosure requirements on clinical investigation in critically ill and injured patients. In 2011, the Food and Drug Administration instructed sponsors to submit publically disclosed information to the Food and Drug Administration Docket, but to date there has been no comprehensive analysis of available data. We summarized the community consultation and public disclosure practices of exception from informed consent trials published on the Food and Drug Administration Docket in order to better understand the breadth of common practices that exists among acute care clinical research...
October 1, 2017: Clinical Trials: Journal of the Society for Clinical Trials
https://www.readbyqxmd.com/read/29035178/patient-perspectives-on-communication-with-primary-care-physicians-about-chronic-low-back-pain
#19
Sarah Evers, Clarissa Hsu, Karen J Sherman, Ben Balderson, Rene Hawkes, Georgie Brewer, Anne-Marie La Porte, John Yeoman, Dan Cherkin
OBJECTIVES: Chronic low back pain (CLBP) is a common health problem with challenges for providing satisfactory care. This study was undertaken to identify opportunities to improve key aspects of physicians' communications with CLBP-affected patients. METHODS: A series of 3 focus groups, each with 7 to 11 patients with CLBP, were recruited from primary care settings and grouped by risk level of reduced function resulting from back pain, to elicit perspectives about interactions with their primary care physicians...
2017: Permanente Journal
https://www.readbyqxmd.com/read/29027127/use-of-supplementary-patient-education-material-increases-treatment-adherence-and-satisfaction-among-acne-patients-receiving-adapalene-0-1-benzoyl-peroxide-2-5-gel-in-primary-care-clinics-a-multicenter-randomized-controlled-clinical-study
#20
Timothy Myhill, Warwick Coulson, Paul Nixon, Simon Royal, Terry McCormack, Nabil Kerrouche
INTRODUCTION: Poor adherence to acne treatment may lead to unnecessary treatments, increased healthcare costs, and reduced quality of life (QoL). This multicenter study evaluated the effect of supplementary patient education material (SEM) (a short video, information card, and additional information available online) on treatment adherence and satisfaction among acne patients treated with the fixed-dose combination adapalene 0.1%/benzoyl peroxide 2.5% gel (A/BPO) in primary care clinics versus (1) standard-of-care patient education (SOCPE) (package insert and oral instruction) and (2) SOCPE plus more frequent clinic visits...
October 12, 2017: Dermatology and Therapy
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