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Yao Cheng, Jie Xia, Mingliang Lai, Nansheng Cheng, Sirong He
BACKGROUND: The use of surgical drains has been considered mandatory after pancreatic surgery. The role of prophylactic abdominal drainage to reduce postoperative complications after pancreatic surgery is controversial. OBJECTIVES: To assess the benefits and harms of routine abdominal drainage after pancreatic surgery, compare the effects of different types of surgical drains, and evaluate the optimal time for drain removal. SEARCH METHODS: For the initial version of this review, we searched the Cochrane Library (2015, Issue 3), MEDLINE (1946 to 9 April 2015), Embase (1980 to 9 April 2015), Science Citation Index Expanded (1900 to 9 April 2015), and Chinese Biomedical Literature Database (CBM) (1978 to 9 April 2015)...
October 21, 2016: Cochrane Database of Systematic Reviews
Fayyaz Ul Amir Afsar Minhas, Amina Asif, Muhammad Arif
: Feature selection and ranking is of great importance in the analysis of biomedical data. In addition to reducing the number of features used in classification or other machine learning tasks, it allows us to extract meaningful biological and medical information from a machine learning model. Most existing approaches in this domain do not directly model the fact that the relative importance of features can be different in different regions of the feature space. In this work, we present a context aware feature ranking algorithm called CAFÉ-Map...
October 11, 2016: Computers in Biology and Medicine
Armando H Norman, Andrew J Russell, Claudia Merli
The UK's Quality and Outcomes Framework (QOF) is the largest pay-for-performance scheme in the world. This ethnographic study explored how QOF's monetary logic influences the approach to healthcare in UK general practice. From August 2013 to April 2014, we researched two UK general practice surgeries and one general practice training programme. These environments provided the opportunity for studying various spaces such as QOF meetings, consultation rooms, QOF recoding sessions, and the collection of computer-screen images depicting how patients' biomarkers are evaluated and costed through software systems...
October 11, 2016: Social Science & Medicine
James J Cody, Wannaporn Ittiprasert, André N Miller, Lucie Henein, Margaret M Mentink-Kane, Michael H Hsieh
Schistosomiasis remains a health burden in many parts of the world. The complex life cycle of Schistosoma parasites and the economic and societal conditions present in endemic areas make the prospect of eradication unlikely in the foreseeable future. Continued and vigorous research efforts must therefore be directed at this disease, particularly since only a single World Health Organization (WHO)-approved drug is available for treatment. The National Institutes of Health (NIH)-National Institute of Allergy and Infectious Diseases (NIAID) Schistosomiasis Resource Center (SRC) at the Biomedical Research Institute provides investigators with the critical raw materials needed to carry out this important research...
October 2016: PLoS Neglected Tropical Diseases
José Luis Díaz, César Leal, Klaus Schriewer, Paloma Echevarría
Amputation is a traumatic incident that entails a chain of psychological, physical, and social events. The objectives of the study are to describe the beliefs and the philosophies of life related to the experience of suffering of traumatic amputees, analyze the importance of biomedical care, and describe other forms of care used.
November 2016: Holistic Nursing Practice
Jibin Song, Peng Huang, Xiaoyuan Chen
Gold nanovesicles contain multiple nanocrystals within a polymeric coating. The strong plasmonic coupling between adjacent nanoparticles in their vesicular shell makes ultrasensitive biosensing and bioimaging possible. In our laboratory, multifunctional plasmonic vesicles are assembled from amphiphilic gold nanocrystals (such as gold nanoparticles and gold nanorods) coated with mixed hydrophilic and hydrophobic polymer brushes or amphiphilic diblock co-polymer brushes. To fulfill the different requirements of biomedical applications, different polymers that are either pH=responsive, photoactive or biodegradable can be used to form the hydrophobic brush, while the hydrophilicity is maintained by polyethylene glycol (PEG)...
November 2016: Nature Protocols
Paul L Schneider, Zhaoping Li
OBJECTIVE: To provide a thorough analysis of the range of ethical concerns that may present in relation to the care of the morbidly obese inpatient over the course of several years of care. METHODS: A narrative of the patient's complex medical care is given, with particular attention to the recommendations of three separate ethics committee consultations that were sought by his health care providers. An ethical analysis of the relevant issues is given within the Principles of Biomedical Ethics framework, highlighting the principles of autonomy, beneficence, non-maleficence, and justice...
2016: Narrative Inquiry in Bioethics
Cynthia N Fuhrmann
PhD-trained biomedical scientists are moving into an increasingly diverse variety of careers within the sciences. However, our graduate and postdoctoral training programs have historically focused on academic career preparation, and have not sufficiently prepared trainees for transitioning into other scientific careers. Advocates for science have raised the concern that our collective disregard of the broader career development needs for predoctoral and postdoctoral trainees could drive talent away from science in upcoming generations...
October 20, 2016: Human Gene Therapy
Z Riedelová-Reicheltová, E Brynda, T Riedel
Fibrin is a versatile biopolymer that has been extensively used in tissue engineering. In this paper fibrin nanostructures prepared using a technique based on the catalytic effect of fibrin-bound thrombin are presented. This technique enables surface-attached thin fibrin networks to form with precisely regulated morphology without the development of fibrin gel in bulk solution. Moreover, the influence of changing the polymerization time, along with the antithrombin III and heparin concentrations on the morphology of fibrin nanostructures was explored...
October 20, 2016: Physiological Research
M Hrubý, J Kučka, J Pánek, P Štěpánek
For many important research topics in polymer science the use of radionuclides brings significant benefits concerning nanotechnology, polymer drug delivery systems, tissue engineering etc. This contribution describes important achievements of the radionuclide laboratory at Institute of Macromolecular Chemistry of the Academy of Sciences of the Czech Republic (IMC) in the area of polymers for biomedical applications. Particular emphasis will be given to water-soluble polymer carriers of radionuclides, thermoresponsive polymer radionuclide carriers, thermoresponsive polymers for local brachytherapy, polymer scaffolds modified with (radiolabeled) peptides and polymer copper chelators for the therapy of Wilson´s disease...
October 20, 2016: Physiological Research
Qinghua Xu, Chaoliang He, Zhen Zhang, Kaixuan Ren, Xuesi Chen
Injectable hydrogels have been widely investigated in biomedical applications, and increasing demand has been proposed to achieve the dynamic regulation of physiological properties of hydrogels. Herein, a new type of injectable and biomolecule-responsive hydrogel based on poly(L-glutamic acid) (PLG) grafted with disulfide bond modified phloretic acid (denoted as PLG-g-CPA) was developed. The hydrogels formed in situ via enzymatic crosslinking under physiological condition in the presence of horseradish peroxidase and hydrogen peroxide...
October 20, 2016: ACS Applied Materials & Interfaces
Berkay Ozcelik, Renxun Chen, Veronica Glattauer, Naresh Kumar, MarkD P Willcox, Helmut Thissen
Control over biointerfacial interactions on material surfaces is of significant interest in many biomedical applications and extends from the modulation of protein adsorption and cellular responses to the inhibition of bacterial attachment and biofilm formation. Effective control over biointerfaces is best achieved by reducing nonspecific interactions on the surface while also displaying specific bioactive signals. A poly(ethylene glycol) (PEG)-based multifunctional coating has been developed that provides effective reduction of protein fouling while enabling covalent immobilization of peptides in a one or two-step manner...
October 20, 2016: Macromolecular Bioscience
Xin Tian, Zaixing Yang, Guangxin Duan, Anqing Wu, Zonglin Gu, Leili Zhang, Chunying Chen, Zhifang Chai, Cuicui Ge, Ruhong Zhou
Graphene and graphene-based nanomaterials are broadly used for various biomedical applications due to their unique physiochemical properties. However, how graphene-based nanomaterials interact with biological systems has not been thoroughly studied. This study shows that graphene oxide (GO) nanosheets retard A549 lung carcinoma cell migration through nanosheet-mediated disruption of intracellular actin filaments. After GO nanosheets treatment, A549 cells display slower migration and the structure of the intracellular actin filaments is dramatically changed...
October 20, 2016: Small
Walter H Moos, Carl A Pinkert, Michael H Irwin, Douglas V Faller, Krishna Kodukula, Ioannis P Glavas, Kosta Steliou
Preclinical Research Approximately 2,500 years ago, Hippocrates used the word herpes as a medical term to describe lesions that appeared to creep or crawl on the skin, advocating heat as a possible treatment. During the last 50 years, pharmaceutical research has made great strides, and therapeutic options have expanded to include small molecule antiviral agents, protease inhibitors, preventive vaccines for a handful of the papillomaviruses, and even cures for hepatitis C virus infections. However, effective treatments for persistent and recurrent viral infections, particularly the highly prevalent herpesviruses, continue to represent a significant unmet medical need, affecting the majority of the world's population...
October 20, 2016: Drug Development Research
Kai Li, Jiangming Yu, Youtao Xie, Mingyu You, Liping Huang, Xuebin Zheng
Ideal coatings for orthopedic implants should be able to induce excellent osseointegration with host bone tissue, which requires good osteogenic responses and limited inflammatory reactions. Cerium oxide (CeO2) ceramics have anti-oxidative properties and can be used to decrease mediators of inflammation, making them attractive for biomedical application. In this study, two kinds of CeO2 incorporated calcium silicate coatings (CS-10Ce and CS-30Ce) were prepared via plasma spraying technique, and the effects of CeO2 addition on the responses of bone mesenchymal stem cells (BMSCs) and RAW264...
October 20, 2016: Biological Trace Element Research
Gisella Orsini
This article aims to shed light on the self-perceptions of people with eating disorders in Malta and Italy through a deep understanding of their narratives. In contrast to the biomedical perception of the phenomenon and in opposition with the prevalent feminist theories on the subject, I consider eating disorders as the result of self-transformative processes. I suggest that anorexics, bulimics and binge eaters are actively and deliberately engaged in a project of moral self-transformation that is culturally defined...
October 19, 2016: Culture, Medicine and Psychiatry
Dileep K Rohra, Vikram K Rohra, Peter Cahusac
To compare the journal impact factor (JIF) and Eigenfactor score (ES) of Institute for Scientific Information (ISI)-indexed biomedical journals published from the Kingdom of Saudi Arabia (KSA) over the last 8 years. Methods: This is a retrospective study, conducted at Alfaisal University, Riyadh, KSA from January to March 2016. The Journal Citation Reports of ISI Web of Knowledge were accessed, and 6 Saudi biomedical journals were included for analysis. Results: All Saudi journals have improved their IF compared with their baseline...
November 2016: Saudi Medical Journal
Dogyeong Ha, Jisoo Hong, Heungjoo Shin, Taesung Kim
Micro-/nanofabrication-based lab-on-a-chip (LOC) technologies have recently been substantially advanced and have become widely used in various inter-/multidisciplinary research fields, including biological, (bio-)chemical, and biomedical fields. However, such hybrid-scale LOC devices are typically fabricated using microfabrication and nanofabrication processes in series, resulting in increased cost and time and low throughput issues. In this review, after briefly introducing the conventional micro-/nanofabrication technologies, we focus on unconventional micro-/nanofabrication technologies that allow us to produce either in situ micro-/nanoscale structures or master molds for additional replication processes to easily and conveniently create novel LOC devices with micro- or nanofluidic channel networks...
October 20, 2016: Lab on a Chip
Mustafa İnan, Andrei Racu, Marko Bjeloševiča, Nazarii Hryniv
No abstract text is available yet for this article.
September 2016: Balkan Medical Journal
Sybil Hosek, Connie Celum, Craig M Wilson, Bill Kapogiannis, Sinead Delany-Moretlwe, Linda-Gail Bekker
INTRODUCTION: Adolescents and young adults aged <25 are a key population in the HIV epidemic, with very high HIV incidence rates in many geographic settings and a large number who have limited access to prevention services. Thus, any biomedical HIV prevention approach should prepare licensure and implementation strategies for young populations. Oral pre-exposure prophylaxis (PrEP) is the first antiretroviral-based prevention intervention with proven efficacy across many settings and populations, and regulatory and policy approvals at global and national levels are occurring rapidly...
2016: Journal of the International AIDS Society
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