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https://www.readbyqxmd.com/read/28350974/topical-hemostasis-in-laparoscopic-surgery
#1
REVIEW
R Vecchio, R Catalano, F Basile, C Spataro, M Caputo, E Intagliata
A major goal during any surgical intervention is minimization of blood loss, which reduces the need for blood transfusion. In open surgery, the possibility for the surgeon to use the hands directly in contact with the bleeding tissues for hemostasis, makes mechanical methods, such as compression, ligatures or sutures, important to achieve proper hemostasis. In laparoscopic surgery, where the intervention is performed by means of small incisions through which the surgeon's hand cannot directly achieve the tissues, the problem of hemostasis is critical and needs more attention...
November 2016: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/28350953/degradation-of-hole-transport-materials-via-exciton-driven-cyclization
#2
Bruce M Bell, Michael B Clark, David D Devore, Timothy S De Vries, Robert D J Froese, Kaitlyn C Gray, David H K Jackson, Thomas F Kuech, Hong-Yeop Na, Kenneth L Kearns, Kyung Joo Lee, Sukrit Mukhopadhyay, Aaron A Rachford, Liam Patrick Spencer, William Henry Hunter Woodward
Organic light emitting diode (OLED) displays have been an active and intense area of research for well over a decade and have now reached commercial success for displays from cell phones to large format televisions. A more thorough understanding of the many different potential degradation modes which cause OLED device failure will be necessary to develop the next generation of OLED materials, improve device lifetime, and to ultimately improve the cost vs. performance ratio. Each of the different organic layers in an OLED device can be susceptible to unique decomposition pathways, however stability towards excitons is critical for emissive layer (EML) materials as well as any layer near the recombination zone...
March 28, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28350543/mondo-a-neutron-tracker-for-particle-therapy-secondary-emission-characterisation
#3
M Marafini, L Gasparini, R Mirabelli, D Pinci, V Patera, A Sciubba, E Spiriti, D Stoppa, G Traini, A Sarti
Tumour control is performed in particle therapy using particles and ions, whose high irradiation precision enhances the effectiveness of the treatment, while sparing the healthy tissue surrounding the target volume. Dose range monitoring devices using photons and charged particles produced by the beam interacting with the patient's body have already been proposed, but no attempt has been made yet to exploit the detection of the abundant neutron component. Since neutrons can release a significant dose far away from the tumour region, precise measurements of their flux, production energy and angle distributions are eagerly sought in order to improve the treatment planning system (TPS) software...
April 21, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28350434/stepwise-synthesis-of-metal-organic-frameworks
#4
Mathieu Bosch, Shuai Yuan, William Rutledge, Hong-Cai Zhou
Metal-organic frameworks (MOFs) are a category of porous materials that offer unparalleled control over their surface areas (demonstrated as higher than for any other material), pore characteristics, and functionalization. This allows them to be customized for exceptional performance in a wide variety of applications, most commonly including gas storage and separation, drug delivery, luminescence, or heterogeneous catalysis. In order to optimize biomimicry, controlled separations and storage of small molecules, and detailed testing of structure-property relationships, one major goal of MOF research is "rational design" or "pore engineering", or precise control of the placement of multiple functional groups in pores of chosen sizes and shapes...
March 28, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28346808/patient-reported-outcomes-1-year-after-immediate-breast-reconstruction-results-of-the-mastectomy-reconstruction-outcomes-consortium-study
#5
Andrea L Pusic, Evan Matros, Neil Fine, Edward Buchel, Gayle M Gordillo, Jennifer B Hamill, Hyungjin M Kim, Ji Qi, Claudia Albornoz, Anne F Klassen, Edwin G Wilkins
Purpose The goals of immediate postmastectomy breast reconstruction are to minimize deformity and optimize quality of life as perceived by patients. We prospectively evaluated patient-reported outcomes (PROs) in women undergoing immediate implant-based or autologous reconstruction. Methods Women undergoing immediate postmastectomy reconstruction for invasive cancer and/or carcinoma in situ were enrolled at 11 sites. Women underwent implant-based or autologous tissue reconstruction. Patients completed the BREAST-Q, a condition-specific PRO measure for breast surgery patients, and Patient-Reported Outcomes Measurement Information System-29, a generic PRO measure, before and 1 year after surgery...
March 27, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28346795/understanding-the-emission-impacts-of-hov-to-hot-lane-conversions-experience-from-atlanta-ga
#6
Yanzhi Ann Xu, Haobing Liu, Michael O Rodgers, Angshuman Guin, Michael Hunter, Adnan Sheikh, Randall L Guensler
Converting a congested High Occupancy Vehicle (HOV) lane into a High Occupancy Toll (HOT) lane is a viable option for improving travel time reliability for carpools and buses that use the managed lane. However, the emission impacts of HOV-to-HOT-conversions are not well understood. The lack of emissions impact quantification for HOT conversions creates a policy challenge for agencies making transportation funding choices. The goal of this paper is to evaluate the case study before-and-after changes in vehicle emissions for the Atlanta, GA I-85 HOV/HOT lane conversion project, implemented in October, 2011...
March 27, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28345749/the-use-of-social-media-for-campus-safety
#7
Brittany Haupt, Naim Kapucu, Jeffrey Morgan
As public safety communication evolved, each disaster or emergency presented unique challenges for emergency managers and others response to disasters. Yet, a foundational focus is the timely dissemination of accurate information to keep communities informed and able to prepare, mitigate, respond, and recover. For the campus community, the increase in bomb threats, active shooter incidents, and geographic-based natural disasters call for the discovery of reliable and cost-effective solutions for emergency information management...
January 2017: Journal of Emergency Management: JEM
https://www.readbyqxmd.com/read/28344864/an-immunogenic-wt1-derived-peptide-that-induces-t-cell-response-in-the-context-of-hla-a-02-01-and-hla-a-24-02-molecules
#8
Tao Dao, Tatyana Korontsvit, Victoria Zakhaleva, Casey Jarvis, Patrizia Mondello, Claire Oh, David A Scheinberg
The Wilms' tumor oncogene protein (WT1) is a highly validated tumor antigen for immunotherapy. WT1-targeted immunotherapy has been extensively explored in multiple human trials in various cancers. However, clinical investigations using WT1 epitopes have generally focused on two peptides, HLA-restricted to HLA-A*02:01 or HLA-A*24:02. The goal of this study was to identify new epitopes derived from WT1, to expand the potential use of WT1 as a target of immunotherapy. Using computer-based MHC-binding algorithms and in vitro validation of the T cell responses specific for the identified peptides, we found that a recently identified HLA-A*24:02-binding epitope (239-247), NQMNLGATL (NQM), was also a strong CD8(+) T cell epitope for HLA-A*02:01 molecule...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28344849/developing-asbestos-job-exposure-matrix-using-occupation-and-industry-specific-exposure-data-1984-2008-in-republic-of-korea
#9
Sangjun Choi, Dongmug Kang, Donguk Park, Hyunhee Lee, Bongkyoo Choi
BACKGROUND: The goal of this study is to develop a general population job-exposure matrix (GPJEM) on asbestos to estimate occupational asbestos exposure levels in the Republic of Korea. METHODS: Three Korean domestic quantitative exposure datasets collected from 1984 to 2008 were used to build the GPJEM. Exposure groups in collected data were reclassified based on the current Korean Standard Industrial Classification (9(th) edition) and the Korean Standard Classification of Occupations code (6(th) edition) that is in accordance to international standards...
March 2017: Safety and Health At Work
https://www.readbyqxmd.com/read/28344365/synthesizing-results-from-empirical-research-on-computer-based-scaffolding-in-stem-education-a-meta-analysis
#10
Brian R Belland, Andrew E Walker, Nam Ju Kim, Mason Lefler
Computer-based scaffolding assists students as they generate solutions to complex problems, goals, or tasks, helping increase and integrate their higher order skills in the process. However, despite decades of research on scaffolding in STEM (science, technology, engineering, and mathematics) education, no existing comprehensive meta-analysis has synthesized the results of these studies. This review addresses that need by synthesizing the results of 144 experimental studies (333 outcomes) on the effects of computer-based scaffolding designed to assist the full range of STEM learners (primary through adult education) as they navigated ill-structured, problem-centered curricula...
April 2017: Review of Educational Research
https://www.readbyqxmd.com/read/28343836/cervical-cancer-prevention-and-early-detection
#11
REVIEW
Theresa A Kessler
OBJECTIVE: To review effective methods of prevention that can be used to control the incidence of cervical cancer and detection strategies that can identify the precancerous lesions before they become true cancer. DATA SOURCES: Current medical, scientific and nursing literature, and national and international guidelines of cervical cancer. CONCLUSION: Nearly all cervical cancers are caused by specific types of human papillomavirus (HPV). Prophylactic vaccination for HPV provides the most effective method of primary prevention against HPV-related diseases...
March 23, 2017: Seminars in Oncology Nursing
https://www.readbyqxmd.com/read/28343638/patient-care-handoff-in-the-postanesthesia-care-unit-a-quality-improvement-project
#12
Gregory M Bruno, Mary Elizabeth Betsy Guimond
PURPOSE: The goal of this project was to improve the process of transferring patient information between certified registered nurse anesthetists and postanesthesia care unit registered nurses using an evidence-based handoff checklist and evaluate completeness and accuracy of transferred information. DESIGN: A convenience sample of 14 certified registered nurse anesthetists and 7 registered nurses working at a single regional health system was recruited. METHODS: The Handoff Accuracy Scoring Tool was developed to include a pre-/postinterventional design to compare scores of verbal handoffs conducted in the preintervention phase without checklist (n = 20) and postintervention phase with checklist (n = 20)...
April 2017: Journal of Perianesthesia Nursing: Official Journal of the American Society of PeriAnesthesia Nurses
https://www.readbyqxmd.com/read/28343453/a-trans-diagnostic-perspective-on-obsessive-compulsive-disorder
#13
C M Gillan, N A Fineberg, T W Robbins
Progress in understanding the underlying neurobiology of obsessive-compulsive disorder (OCD) has stalled in part because of the considerable problem of heterogeneity within this diagnostic category, and homogeneity across other putatively discrete, diagnostic categories. As psychiatry begins to recognize the shortcomings of a purely symptom-based psychiatric nosology, new data-driven approaches have begun to be utilized with the goal of solving these problems: specifically, identifying trans-diagnostic aspects of clinical phenomenology based on their association with neurobiological processes...
March 27, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28343282/effective-chemotherapy-of-heterogeneous-and-drug-resistant-early-colon-cancers-by-intermittent-dose-schedules-a-computer-simulation-study
#14
David E Axelrod, Sudeepti Vedula, James Obaniyi
PURPOSE: The effectiveness of cancer chemotherapy is limited by intra-tumor heterogeneity, the emergence of spontaneous and induced drug-resistant mutant subclones, and the maximum dose to which normal tissues can be exposed without adverse side effects. The goal of this project was to determine if intermittent schedules of the maximum dose that allows colon crypt maintenance could overcome these limitations, specifically by eliminating mixtures of drug-resistant mutants from heterogeneous early colon adenomas while maintaining colon crypt function...
March 25, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28343228/focal-brain-injury-associated-with-a-model-of-severe-hypoxic-ischemic-encephalopathy-in-nonhuman-primates
#15
Ryan M McAdams, Ronald J McPherson, Raj P Kapur, Sandra E Juul
Worldwide, hypoxic-ischemic encephalopathy (HIE) is a major cause of neonatal mortality and morbidity. To better understand the mechanisms contributing to brain injury and improve outcomes in neonates with HIE, better preclinical animal models that mimic the clinical situation following birth asphyxia in term newborns are needed. In an effort to achieve this goal, we modified our nonhuman primate model of HIE induced by in utero umbilical cord occlusion (UCO) to include postnatal hypoxic episodes, in order to simulate apneic events in human neonates with HIE...
March 25, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28342886/using-genetic-data-to-improve-species-distribution-models
#16
Jérémy Bouyer, Renaud Lancelota
Tsetse flies (Diptera, Glossinidae) transmit human and animal trypanosomoses in Africa, respectively a neglected human disease (sleeping sickness) and the most important constraint to cattle production in infested countries (nagana). We recently developed a methodology to map landscape friction (i.e. resistance to movement) for tsetse in West Africa. The goal was to identify natural barriers to tsetse dispersal, and potentially isolated tsetse populations for targeting elimination programmes. Most species distribution models neglect landscape functional connectivity whereas environmental factors affecting suitability or abundance are not necessarily the same as those influencing gene flows...
March 22, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28341980/implementation-and-evaluation-of-a-paediatric-nurse-driven-sedation-protocol-in-a-paediatric-intensive-care-unit
#17
Lélia Dreyfus, Etienne Javouhey, Angélique Denis, Sandrine Touzet, Fabienne Bordet
BACKGROUND: Optimal sedation and analgesia is a challenge in paediatric intensive care units (PICU) because of difficulties in scoring systems and specific metabolism inducing tolerance and withdrawal. Excessive sedation is associated with prolonged mechanical ventilation and hospitalisation. Adult and paediatric data suggest that goal-directed sedation algorithms reduce the duration of mechanical ventilation. We implemented a nurse-driven sedation protocol in a PICU and evaluated its impact...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28341897/researcher-readiness-for-participating-in-community-engaged-dissemination-and-implementation-research-a-conceptual-framework-of-core-competencies
#18
Christopher M Shea, Tiffany L Young, Byron J Powell, Catherine Rohweder, Zoe K Enga, Jennifer E Scott, Lori Carter-Edwards, Giselle Corbie-Smith
Participating in community-engaged dissemination and implementation (CEDI) research is challenging for a variety of reasons. Currently, there is not specific guidance or a tool available for researchers to assess their readiness to conduct CEDI research. We propose a conceptual framework that identifies detailed competencies for researchers participating in CEDI and maps these competencies to domains. The framework is a necessary step toward developing a CEDI research readiness survey that measures a researcher's attitudes, willingness, and self-reported ability for acquiring the knowledge and performing the behaviors necessary for effective community engagement...
March 24, 2017: Translational Behavioral Medicine
https://www.readbyqxmd.com/read/28341594/itraq-based-proteomics-analysis-of-hippocampus-in-spatial-memory-deficiency-rats-induced-by-simulated-microgravity
#19
Tingmei Wang, Hailong Chen, Ke Lv, Guohua Ji, Yongliang Zhang, Yanli Wang, Yinghui Li, Lina Qu
It has been demonstrated that simulated microgravity (SM) may lead to cognitive dysfunction. However, the underlying mechanism remains unclear. In present study, tail-suspension (30°) rat was employed to explore the effects of 28 days of SM on hippocampus-dependent learning and memory capability and the underlying mechanisms. We found that 28-day tail-suspension rats displayed decline of learning and memory ability in Morris water maze (MWM) test. Using iTRAQ-based proteomics analysis, a total of 4774 proteins were quantified in hippocampus...
March 21, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28341268/social-is-special-a-normative-framework-for-teaching-with-and-learning-from-evaluative-feedback
#20
Mark K Ho, James MacGlashan, Michael L Littman, Fiery Cushman
Humans often attempt to influence one another's behavior using rewards and punishments. How does this work? Psychologists have often assumed that "evaluative feedback" influences behavior via standard learning mechanisms that learn from environmental contingencies. On this view, teaching with evaluative feedback involves leveraging learning systems designed to maximize an organism's positive outcomes. Yet, despite its parsimony, programs of research predicated on this assumption, such as ones in developmental psychology, animal behavior, and human-robot interaction, have had limited success...
March 21, 2017: Cognition
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