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https://www.readbyqxmd.com/read/28632040/engineered-nanomaterial-induced-lysosomal-membrane-permeabilization-and-anti-cathepsin-agents
#1
Melisa Bunderson-Schelvan, Andrij Holian, Raymond F Hamilton
Engineered nanomaterials (ENMs), or small anthropogenic particles approximately < 100 nm in size and of various shapes and compositions, are increasingly incorporated into commercial products and used for industrial and medical purposes. There is an exposure risk to both the population at large and individuals in the workplace with inhalation exposures to ENMs being a primary concern. Further, there is increasing evidence to suggest that certain ENMs may represent a significant health risk, and many of these ENMs exhibit distinct similarities with other particles and fibers that are known to induce adverse health effects, such as asbestos, silica, and particulate matter (PM)...
2017: Journal of Toxicology and Environmental Health. Part B, Critical Reviews
https://www.readbyqxmd.com/read/28632035/a-comprehensive-study-of-worldwide-selfie-related-accidental-mortality-a-growing-problem-of-the-modern-society
#2
Mohit J Jain, Kinjal J Mavani
Since Oxford dictionary has described 'Selfie', selfie deaths have received a fair amount of coverage but the extent of the problem and the data behind it have not been appropriately explored. The aim of our study is to obtain epidemiological characteristics of selfie-related mortality worldwide with the objective of providing an insight to 'Why selfie', 'Why risky', 'Psychological basis' and 'measures of control.' Despite thousands of web pages, very few scientific articles are available in medical journals...
February 14, 2017: International Journal of Injury Control and Safety Promotion
https://www.readbyqxmd.com/read/28630894/next-generation-probes-particles-and-proteins-for-neural-interfacing
#3
REVIEW
Jonathan Rivnay, Huiliang Wang, Lief Fenno, Karl Deisseroth, George G Malliaras
Bidirectional interfacing with the nervous system enables neuroscience research, diagnosis, and therapy. This two-way communication allows us to monitor the state of the brain and its composite networks and cells as well as to influence them to treat disease or repair/restore sensory or motor function. To provide the most stable and effective interface, the tools of the trade must bridge the soft, ion-rich, and evolving nature of neural tissue with the largely rigid, static realm of microelectronics and medical instruments that allow for readout, analysis, and/or control...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28630750/tips-and-tricks-for-using-the-internet-for-professional-purposes
#4
Hasan Huseyin Ceylan, Nurdan Güngören, Fatih Küçükdurmaz
Online resources provide access to large amounts of information which is expanding every day. Using search engines for reaching the relevant, updated and complete literature that is indexed in various bibliographical databases has already become part of the medical professionals' everyday life.However, most researchers often fail to conduct a efficient literature search on the internet. The right techniques in literature search save time and improve the quality of the retrieved data.Efficient literature search is not a talent but a learnable skill, which should be a formal part of medical education...
May 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28630518/a-call-for-an-integrated-program-of-assessment
#5
REVIEW
David W Fielding, Glenn Regehr
An integrated curriculum that does not incorporate equally integrated assessment strategies is likely to prove ineffective in achieving the desired educational outcomes. We suggest it is time for colleges and schools of pharmacy to re-engineer their approach to assessment. To build the case, we first discuss the challenges leading to the need for curricular developments in pharmacy education. We then turn to the literature that informs how assessment can influence learning, introduce an approach to learning assessment that is being used by several medical education programs, and provide some examples of this approach in operation...
May 2017: American Journal of Pharmaceutical Education
https://www.readbyqxmd.com/read/28629861/flavonoids-determine-the-rate-of-fibrillogenesis-and-structure-of-collagen-type-i-fibrils-in-vitro
#6
Yuri A Kim, Yury S Tarahovsky, Sergei G Gaidin, Elena A Yagolnik, Eugeny N Muzafarov
Collagen fibrils are produced from collagen monomers not only in vivo, but also in vitro. The ability to have an influence on the structure and properties of fibrils may find medical application and can be useful for controlling the formation of collagen gels and sheets in tissue engineering. Here we investigated the influence of flavonoids, distinguished by the number of hydroxyl groups in the B-ring, on the formation of collagen fibrils. A correlation was found between the number of hydroxyl groups, lipophilicity of molecules and their ability to influence the fibril formation...
June 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28629085/design-of-a-hybrid-biomaterial-for-tissue-engineering-biopolymer-scaffold-integrated-with-an-autologous-hydrogel-carrying-mesenchymal-stem-cells
#7
Caroline R Weinstein-Oppenheimer, Donald I Brown, Rodrigo Coloma, Patricio Morales, Mauricio Reyna-Jeldes, María J Díaz, Elizabeth Sánchez, Cristian A Acevedo
Biologically active biomaterials as biopolymers and hydrogels have been used in medical applications providing favorable results in tissue engineering. In this research, a wound dressing device was designed by integration of an autologous clot hydrogel carrying mesenchymal stem-cells onto a biopolymeric scaffold. This hybrid biomaterial was tested in-vitro and in-vivo, and used in a human clinical case. The biopolymeric scaffold was made with gelatin, chitosan and hyaluronic acid, using a freeze-drying method...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28621834/from-intricate-to-integrated-biofabrication-of-articulating-joints
#8
Wilhelmina Margaretha Groen, Paweena Diloksumpan, Paul René van Weeren, Riccardo Levato, Jos Malda
Articulating joints owe their function to the specialized architecture and the complex interplay between multiple tissues including cartilage, bone and synovium. Especially the cartilage component has limited self-healing capacity and damage often leads to the onset of osteoarthritis, eventually resulting in failure of the joint as an organ. Although in its infancy, biofabrication has emerged as a promising technology to reproduce the intricate organization of the joint, thus enabling the introduction of novel surgical treatments, regenerative therapies, and new sets of tools to enhance our understanding of joint physiology and pathology...
June 16, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28620970/a-coating-free-nonfouling-polymeric-elastomer
#9
Hsiang-Chieh Hung, Priyesh Jain, Peng Zhang, Fang Sun, Andrew Sinclair, Tao Bai, Bowen Li, Kan Wu, Caroline Tsao, Erik J Liu, Harihara S Sundaram, Xiaojie Lin, Payam Farahani, Timothy Fujihara, Shaoyi Jiang
Medical devices face nonspecific biofouling from proteins, cells, and microorganisms, which significantly contributes to complications and device failure. Imparting these devices with nonfouling capabilities remains a major challenge, particularly for those made from elastomeric polymers. Current strategies, including surface coating and copolymerization/physical blending, necessitate compromise among nonfouling properties, durability, and mechanical strength. Here, a new strategy is reported to achieve both high bulk mechanical strength and excellent surface nonfouling properties, which are typically contradictory, in one material...
June 16, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28620040/cell-free-synthetic-biology-for-in-vitro-prototype-engineering
#10
REVIEW
Simon J Moore, James T MacDonald, Paul S Freemont
Cell-free transcription-translation is an expanding field in synthetic biology as a rapid prototyping platform for blueprinting the design of synthetic biological devices. Exemplar efforts include translation of prototype designs into medical test kits for on-site identification of viruses (Zika and Ebola), while gene circuit cascades can be tested, debugged and re-designed within rapid turnover times. Coupled with mathematical modelling, this discipline lends itself towards the precision engineering of new synthetic life...
June 15, 2017: Biochemical Society Transactions
https://www.readbyqxmd.com/read/28620039/csbb-synthetic-biology-research-at-newcastle-university
#11
EDITORIAL
Angel Goñi-Moreno, Anil Wipat, Natalio Krasnogor
The Centre for Synthetic Biology and the Bioeconomy (CSBB) brings together a far-reaching multidisciplinary community across all Newcastle University's faculties - Medical Sciences, Science, Agriculture and Engineering, and Humanities, Arts and Social Sciences. The CSBB focuses on many different areas of Synthetic Biology, including bioprocessing, computational design and in vivo computation, as well as improving understanding of basic molecular machinery. Such breadth is supported by major national and international research funding, a range of industrial partners in the North East of England and beyond, as well as a large number of doctoral and post-doctoral researchers...
June 15, 2017: Biochemical Society Transactions
https://www.readbyqxmd.com/read/28616124/psychoneuroimmunoendocrinology-clinical-implications
#12
REVIEW
Sandra Nora González-Díaz, Alfredo Arias-Cruz, Bárbara Elizondo-Villarreal, Olga Patricia Monge-Ortega
Psychoneuroimmunoendocrinology, which was first described in 1936, is the study of the interactions between the psyche, neural and endocrine functions and immune responses. The aim of psychoneuroimmunoendocrinology is to apply medical knowledge to the treatment of different allergic, immune, autoimmune, rheumatic, neoplastic, endocrine, cardiovascular and dental pathologies, among other disorders. Epigenetic factors and major stresses from different types of stimuli acting through distinct pathways and neurotransmitters are highly involved in altering the psychoneuroimmunoendocrine axis, resulting in the emergence of disease...
2017: World Allergy Organization Journal
https://www.readbyqxmd.com/read/28615985/treatment-of-movement-disorders-with-focused-ultrasound
#13
REVIEW
Paul S Fishman, Victor Frenkel
Although the use of ultrasound as a potential therapeutic modality in the brain has been under study for several decades, relatively few neuroscientists or neurologists are familiar with this technology. Stereotactic brain lesioning had been widely used as a treatment for medically refractory patients with essential tremor (ET), Parkinson disease (PD), and dystonia but has been largely replaced by deep brain stimulation (DBS) surgery, with advantages both in safety and efficacy. However, DBS is associated with complications including intracerebral hemorrhage, infection, and hardware malfunction...
2017: Journal of Central Nervous System Disease
https://www.readbyqxmd.com/read/28615794/deepinfer-open-source-deep-learning-deployment-toolkit-for-image-guided-therapy
#14
Alireza Mehrtash, Mehran Pesteie, Jorden Hetherington, Peter A Behringer, Tina Kapur, William M Wells, Robert Rohling, Andriy Fedorov, Purang Abolmaesumi
Deep learning models have outperformed some of the previous state-of-the-art approaches in medical image analysis. Instead of using hand-engineered features, deep models attempt to automatically extract hierarchical representations at multiple levels of abstraction from the data. Therefore, deep models are usually considered to be more flexible and robust solutions for image analysis problems compared to conventional computer vision models. They have demonstrated significant improvements in computer-aided diagnosis and automatic medical image analysis applied to such tasks as image segmentation, classification and registration...
February 11, 2017: Proceedings of SPIE
https://www.readbyqxmd.com/read/28613913/hypersensitivity-pneumonitis-a-perspective-from-members-of-the-pulmonary-pathology-society
#15
Ross Miller, Timothy Craig Allen, Roberto J Barrios, Mary Beth Beasley, Louise Burke, Philip T Cagle, Vera Luiza Capelozzi, Yimin Ge, Lida P Hariri, Keith M Kerr, Andras Khoor, Brandon T Larsen, Eugene J Mark, Osamu Matsubara, Mitra Mehrad, Mari Mino-Kenudson, Kirtee Raparia, Anja Christiane Roden, Prudence Russell, Frank Schneider, Lynette M Sholl, Maxwell Lawrence Smith
CONTEXT: - Hypersensitivity pneumonitis (HP) is a lung disease that develops in susceptible individuals after inhalational exposure to an organic antigen or chemical compound. Pathogenesis is attributed to a combination of type III (immune complex-mediated) and type IV (delayed) hypersensitivity reactions to the inciting agent. OBJECTIVE: - To provide an overview of the current status of the medical literature regarding hypersensitivity pneumonitis. DATA SOURCES: - A literature search was performed using PubMed and Google search engines...
June 14, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28611882/difference-in-r01-grant-funding-among-osteopathic-and-allopathic-emergency-physicians-over-the-last-decade
#16
Martina Antony, Jennifer Savino, John Ashurst
INTRODUCTION: Receiving an R01 grant from the National Institutes of Health (NIH) is regarded as a major accomplishment for the physician researcher and can be used as a means of scholarly activity for core faculty in emergency medicine (EM). However, the Accreditation Council for Graduate Medical Education requires that a grant must be obtained for it to count towards a core faculty member's scholarly activity, while the American Osteopathic Association states that an application for a grant would qualify for scholarly activity whether it is received or not...
June 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28611851/acceleration-of-image-segmentation-algorithm-for-breast-mammogram-images-using-high-performance-reconfigurable-dataflow-computers
#17
Ivan L Milankovic, Nikola V Mijailovic, Nenad D Filipovic, Aleksandar S Peulic
Image segmentation is one of the most common procedures in medical imaging applications. It is also a very important task in breast cancer detection. Breast cancer detection procedure based on mammography can be divided into several stages. The first stage is the extraction of the region of interest from a breast image, followed by the identification of suspicious mass regions, their classification, and comparison with the existing image database. It is often the case that already existing image databases have large sets of data whose processing requires a lot of time, and thus the acceleration of each of the processing stages in breast cancer detection is a very important issue...
2017: Computational and Mathematical Methods in Medicine
https://www.readbyqxmd.com/read/28610638/baderi-an-online-database-to-coordinate-handsearching-activities-of-controlled-clinical-trials-for-their-potential-inclusion-in-systematic-reviews
#18
Hector Pardo-Hernandez, Gerard Urrútia, Leticia A Barajas-Nava, Diana Buitrago-Garcia, Julieth Vanessa Garzón, María José Martínez-Zapata, Xavier Bonfill
BACKGROUND: Systematic reviews provide the best evidence on the effect of health care interventions. They rely on comprehensive access to the available scientific literature. Electronic search strategies alone may not suffice, requiring the implementation of a handsearching approach. We have developed a database to provide an Internet-based platform from which handsearching activities can be coordinated, including a procedure to streamline the submission of these references into CENTRAL, the Cochrane Collaboration Central Register of Controlled Trials...
June 13, 2017: Trials
https://www.readbyqxmd.com/read/28609391/promotion-and-marketing-of-bioidentical-hormone-therapy-on-the-internet-a-content-analysis-of-websites
#19
Nese Yuksel, Laetitia Treseng, Bushra Malik, Ubaka Ogbogu
OBJECTIVE: To evaluate the quality of information presented and claims made on websites offering bioidentical hormone therapy (BHT) products or services. METHODS: A quantitative content analysis was completed on 100 websites promoting or offering BHT products or services. Websites were identified through Google search engine from September to October 2013. Search terms included "bioidentical hormone therapy" or "bioidentical progesterone," accompanied by "purchase or buy," "service," or "doctors...
June 12, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28609145/three-phase-partitioning-as-an-elegant-and-versatile-platform-applied-to-non-chromatographic-bioseparation-processes
#20
Jing-Kun Yan, Yao-Yao Wang, Wen-Yi Qiu, Haile Ma, Zhen-Bin Wang, Jian-Yong Wu
In recent years, a big trend has been the development of rapid, green, efficient, economical, and scalable approaches for the separation and purification of bioactive molecules from natural sources, which can be used in food, cosmetics, and medicine. As a new non-chromatographic bioseparation technology, three-phase partitioning (TPP) is attracting the attention of a growing number of scientists and engineers. Although a number of studies have been published in the last 40 years regarding the extraction, separation, and purification of numerous bioactive molecules using TPP systems, a background review on TPP partitioning fundamentals and its applications is much needed...
June 13, 2017: Critical Reviews in Food Science and Nutrition
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