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https://www.readbyqxmd.com/read/29677636/aunp-rf-sensor-an-innovative-application-of-rf-technology-for-sensing-pathogens-electrically-in-liquids-spel-within-the-food-supply-chain
#1
Leann Lerie Matta, Saranraj Karuppuswami, Premjeet Chahal, Evangelyn C Alocilja
Rapid detection techniques of pathogenic bacteria in the liquid food supply chain are of significant research interest due to their pivotal role in preventing foodborne outbreaks, and in maintaining high standards of public health and safety. Milk and dairy products are of particular interest due to their widespread consumption across the globe. In this paper, a biosensor for detecting pathogenic bacteria in milk using dextrin-capped gold nanoparticles (d-AuNP) as labels decoded at microwave frequencies is presented...
April 11, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29677610/a-new-electrochemical-sensor-for-highly-sensitive-and-selective-detection-of-nitrite-in-food-samples-based-on-sonochemical-synthesized-calcium-ferrite-cafe-2-o-4-clusters-modified-screen-printed-carbon-electrode
#2
Paramasivam Balasubramanian, Ramki Settu, Shen-Ming Chen, Tse-Wei Chen, Ganapathi Sharmila
Herein, we report a novel, disposable electrochemical sensor for the detection of nitrite ions in food samples based on the sonochemical synthesized orthorhombic CaFe2 O4 (CFO) clusters modified screen printed electrode. As synthesized CFO clusters were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transformer infrared spectroscopy (FT-IR), Thermogravimetric analysis (TGA), X-ray photoelectron spectroscopy (XPS), electrochemical impedance spectroscopy (EIS), cyclic voltammetry (CV) and amperometry (i-t)...
April 11, 2018: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29677217/optimisation-of-three-dimensional-lower-jaw-resection-margin-planning-using-a-novel-black-bone-magnetic-resonance-imaging-protocol
#3
Astrid M Hoving, Joep Kraeima, Rutger H Schepers, Hildebrand Dijkstra, Jan Hendrik Potze, Bart Dorgelo, Max J H Witjes
BACKGROUND: MRI is the optimal method for sensitive detection of tumour tissue and pre-operative staging in oral cancer. When jawbone resections are necessary, the current standard of care for oral tumour surgery in our hospital is 3D virtual planning from CT data. 3D printed jawbone cutting guides are designed from the CT data. The tumour margins are difficult to visualise on CT, whereas they are clearly visible on MRI scans. The aim of this study was to change the conventional CT-based workflow by developing a method for 3D MRI-based lower jaw models...
2018: PloS One
https://www.readbyqxmd.com/read/29676970/online-only-articles
#4
(no author information available yet)
On occasion we receive manuscripts that we would like to publish, but do not have the page room to include in the print journal. For the full article, please go to www.jopdentonline.org or enter the provided address into your address bar.
May 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29676206/fabrication-of-vascularized-bone-flaps-with-sustained-release-of-rhbmp-2-and-arteriovenous-bundle
#5
Bo Li, Changshun Ruan, Yufei Ma, Zhifeng Huang, Zhenfei Huang, Gang Zhou, Jing Zhang, Hai Wang, Zhihong Wu, Guixing Qiu
INTRODUCTION: It is a common treatment strategy in the clinic to transplant a vascularized bone flap for a large bone defect. But it is difficult for peripheral blood vessels to grow into the central region of a large bone construct. In this study, we fabricated a vascularized bone flap from a 3D-printed biodegradable PLGA/β-TCP scaffold using the combination of an arteriovenous (AV) bundle and recombinant human bone morphogenetic protein-2 (rhBMP-2). MATERIALS AND METHODS: A degradable porous poly (lactide-co-glycolide) /-tri-calcium phosphate (PLGA/β-TCP) scaffold was prepared by adopting 3D plotting and a low-temperature deposition technique...
April 20, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29675910/ultrasensitive-fluorescence-lifetime-tuning-in-patterned-polymer-composite-nanofibers-with-plasmonic-nanostructures-for-multiplexing
#6
Jun Zhang, Xin Li, Sheng Li, Jun Cheng Zhang, Xu Yan, Gui Feng Yu, Da Peng Yang, Yun Ze Long
Regulating fluorescence lifetime of lanthanide nanocomposites is highly desired for optical multiplexing applications, for instance, security printing, anticounterfeiting, and data storage. Herein, sensitive fluorescence lifetime tuning in nanocomposite fibers is reported which are composed of silica-coated gold nanorods assembled in Eu-polystyrene nanofibers. The prepared nanofibers possess unique properties of tunable fluorescence lifetime and distinct textured patterns together with superior flexibility and superhydrophobicity...
April 20, 2018: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/29675647/fabrication-of-agarose-concave-petridish-for-3d-culture-microarray-method-for-spheroids-formation-of-hepatic-cells
#7
Binbin Zhang, Yang Li, Gaoshang Wang, Zhidong Jia, Haiyan Li, Qing Peng, Yi Gao
Liver is one of the most important organ in the body. But there are many limitations about liver transplantation for liver failure. It is quite important to develop the xenogeneic biological liver for providing an alternation to transplantation or liver regeneration. In this paper, we proposed a method to construct a novel kind of agarose 3D-culture concave microwell array for spheroids formation of hepatic cells. Using the 3D printing method, the microwell array was fabricated with an overall size of 6.4 mm × 6...
April 19, 2018: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/29674784/bat-wing-biometrics-using-collagen-elastin-bundles-in-bat-wings-as-a-unique-individual-identifier
#8
Sybill K Amelon, Sarah E Hooper, Kathryn M Womack
The ability to recognize individuals within an animal population is fundamental to conservation and management. Identification of individual bats has relied on artificial marking techniques that may negatively affect the survival and alter the behavior of individuals. Biometric systems use biological characteristics to identify individuals. The field of animal biometrics has expanded to include recognition of individuals based upon various morphologies and phenotypic variations including pelage patterns, tail flukes, and whisker arrangement...
May 29, 2017: Journal of Mammalogy
https://www.readbyqxmd.com/read/29674654/author-correction-circuit-dissection-of-the-role-of-somatostatin-in-itch-and-pain
#9
Jing Huang, Erika Polgár, Hans Jürgen Solinski, Santosh K Mishra, Pang-Yen Tseng, Noboru Iwagaki, Kieran A Boyle, Allen C Dickie, Mette C Kriegbaum, Hendrik Wildner, Hanns Ulrich Zeilhofer, Masahiko Watanabe, John S Riddell, Andrew J Todd, Mark A Hoon
In the version of this article initially published online, the labels were switched for the right-hand pair of bars in Fig. 4e. The left one of the two should be Chloroquine + veh, the right one Chloroquine + CNO. The error has been corrected in the print, HTML and PDF versions of the article.
April 19, 2018: Nature Neuroscience
https://www.readbyqxmd.com/read/29674034/a-voltammetric-test-for-the-rapid-discrimination-of-%C3%AE-lactamase-producing-enterobacteriaceae-in-blood-cultures
#10
Laetitia Betelli, Catherine Neuwirth, Sébastien Solanas, Benoît Chantemesse, Fabienne Vienney, Alain Hartmann, Murielle Rochelet
The accurate identification of β-lactamases produced by Enterobacteriaceae is a major challenge in clinical laboratories in order to optimize antimicrobial treatment and patient care. We describe here a rapid voltammetric-based method to detect and to discriminate β-lactamase activity in Enterobacteriaceae i.e., penicillinase, cephalosporinase (inducible or overproduced), extended-spectrum beta-lactamase and carbapenemase producers. After a 2-h growth step of the sample under three separate conditions: 1) LB (Luria-Bertani) medium, 2) LB supplemented with 4 μg/mL cefotaxime and 3) LB supplemented with 4 μg/mL cefotaxime and 100 μg/mL potassium clavulanate, the β-lactamase activity was measured by incubating a 0...
July 1, 2018: Talanta
https://www.readbyqxmd.com/read/29674027/3d-printed-device-for-the-automated-preconcentration-and-determination-of-chromium-vi
#11
Carlos Calderilla, Fernando Maya, Víctor Cerdà, Luz O Leal
A 3D printed device for the fully automated disk-based solid-phase extraction (SPE) of Cr (VI) from water samples has been fabricated. The compatibility of the use of organic solvents for analyte elution with 3D printed flow devices based on polymers fabricated using stereolithograph​y has been evaluated. The developed methodology comprises the complexation of Cr (VI) with 1, 5-diphenylcarbazide (DPC) in acidic medium and the subsequent retention of the complex in a SBD-RPS disk contained within the 3D printed device...
July 1, 2018: Talanta
https://www.readbyqxmd.com/read/29674026/silver-nanoparticles-embedded-nanopaper-as-a-colorimetric-chiral-sensing-platform
#12
Erhan Zor
Paper-based sensors open new avenue to produce simple, rapid, inexpensive and single-use analytical devices for a wide application fields involving medical diagnosis, food analysis and environmental monitoring. In this study, a new optical sensing platform for enantioselective recognition of chiral analytes was introduced by using in-situ synthesized silver nanoparticles-embedded transparent nanopaper. To this aim, nanopaper was obtained by environment-friendly approach using bacterial cellulose made of nanofibers and silver nanoparticles were embedded within nanopaper by an in-situ generation method...
July 1, 2018: Talanta
https://www.readbyqxmd.com/read/29673871/tailored-on-demand-anti-coagulant-dosing-an-in-vitro-and-in-vivo-evaluation-of-3d-printed-purpose-designed-oral-dosage-forms
#13
Basel Arafat, Nidal Qinna, Milena Cieszynska, Robert T Forbes, Mohamed A Alhnan
Coumarin therapy has been associated with high levels of inter- and intra-individual variation in the required dose to reach a therapeutic anticoagulation outcome. Therefore, a dynamic system that is able to achieve accurate delivery of a warfarin dose is of significant importance. Here we assess, the ability of 3D printing to fabricate and deliver tailored individualised precision dosing using an in-vitro model. Sodium warfarin loaded filaments were compounded using hot melt extrusion (HME) and further fabricated via fused deposition modelling (FDM) 3D printing to produce capsular-ovoid-shaped dosage forms loaded at 200 and 400 µg dose...
April 16, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29672769/legally-human-novel-beings-and-english-law
#14
David R Lawrence, Margaret Brazier
Novel beings-intelligent, conscious life-forms sapient in the same way or greater than are human beings-are no longer the preserve of science fiction. Through technologies such as artificial general intelligence, synthetic genomics, gene printing, cognitive enhancement, advanced neuroscience, and more, they are becoming ever more likely and by some definitions may already be emerging. Consideration of the nature of intelligent, conscious novel beings such as those that may result from these technologies requires analysis of the concept of the 'reasonable creature in being' in English law, as well as of the right to life as founded in the European Convention on Human Rights and the attempts to endow human status on animals in recent years...
April 17, 2018: Medical Law Review
https://www.readbyqxmd.com/read/29672152/islamophobia-health-and-public-health-a-systematic-literature-review
#15
Goleen Samari, Héctor E Alcalá, Mienah Zulfacar Sharif
BACKGROUND: In 2017, a "Muslim ban" on immigrants to the United States was coupled with a continued rise in Islamophobia and hate crimes toward Muslims. Islamophobia undermines health equity, yet delineating the effects of Islamophobia globally is challenging as it affects a myriad of groups (geographically, racially, and socially). Additionally, stereotypes equate all Muslims with populations from the Middle East and South Asia. To date, health research pays insufficient attention to Islamophobia, Muslims, and those racialized to be Muslim...
April 19, 2018: American Journal of Public Health
https://www.readbyqxmd.com/read/29672151/adjusting-suicide-rates-in-a-military-population-methods-to-determine-the-appropriate-standard-population
#16
Eren Youmans Watkins, Anita Spiess, Ihsan Abdul-Rahman, Christopher Hill, Nkechinyere Gibson, Jerrica Nichols, Vanessa McLeod, Latoya Johnson, Trevor Mitchell, Joseph Anton Pecko, Kenneth Cox
The choice of the standard population is important when calculating adjusted rates for a military population: results can influence policies and funding allocations for programs and initiatives for suicide prevention. We describe the methodological considerations and decision-making process used in choosing a standard population for adjusting rates to compare suicide among US Army soldiers and the general US population. We examined 5 different standard populations, using the direct method to adjust annual suicide rates for the Army and the US population, 2004 to 2015, for age and for age and sex...
April 19, 2018: American Journal of Public Health
https://www.readbyqxmd.com/read/29672150/folate-nutrition-status-in-mothers-of-the-boston-birth-cohort-sample-of-a-us-urban-low-income-population
#17
Tina L Cheng, Kamila B Mistry, Guoying Wang, Barry Zuckerman, Xiaobin Wang
OBJECTIVES: To examine maternal folic acid supplementation and plasma folate concentrations in the Boston Birth Cohort, a predominantly urban, low-income, minority population in Boston, Massachusetts. METHODS: This report includes 7612 mothers with singleton live births (3829 Black, 2023 Hispanic, 865 White, and 895 others) enrolled in the Boston Birth Cohort at the Boston Medical Center, during 1999 to 2014. Folic acid supplementation during preconception and each trimester was obtained via interview questionnaire...
April 19, 2018: American Journal of Public Health
https://www.readbyqxmd.com/read/29672149/access-to-aid-in-dying-in-the-united-states-shifting-the-debate-from-rights-to-justice
#18
Mara Buchbinder
Much of the literature on aid-in-dying (AID) has drawn heavily on rights-based ethical and legal frameworks that emphasize patients' rights of self-determination in end-of-life decision-making. Less attention has focused on how terminally ill people actually experience such putative rights once they are legally authorized. This analytic essay draws on findings from the Vermont Study on Aid-in-Dying, an ethnographic study of the implementation of AID in Vermont (2015-2017). First, I show that terminally ill people can face a range of barriers to accessing AID in permissive jurisdictions, and that access to AID is mediated by various inequalities endemic to US health care, as well as some that are unique to AID...
April 19, 2018: American Journal of Public Health
https://www.readbyqxmd.com/read/29672148/standard-death-certificates-versus-enhanced-surveillance-to-identify-heroin-overdose-related-deaths
#19
Isabelle L Horon, Pooja Singal, David R Fowler, Joshua M Sharfstein
OBJECTIVES: To compare 2 approaches to identifying heroin-related deaths in cases of overdose: standard death certificates and enhanced surveillance. METHODS: We reviewed Maryland death certificates from 2012 to 2015 in cases of overdose to determine specific mentions of heroin. Counts were compared with estimates obtained through an enhanced surveillance approach that included a protocol considering cause of death, toxicology, and scene investigation findings. RESULTS: Death certificates identified 1130 heroin-related deaths...
April 19, 2018: American Journal of Public Health
https://www.readbyqxmd.com/read/29672147/suicide-prevention-training-policies-for-health-care-professionals-across-the-united-states-as-of-october-2017
#20
Janessa M Graves, Jessica L Mackelprang, Sara E Van Natta, Carrie Holliday
OBJECTIVES: To identify and compare state policies for suicide prevention training among health care professionals across the United States and benchmark state plan updates against national recommendations set by the surgeon general and the National Action Alliance for Suicide Prevention in 2012. METHODS: We searched state legislation databases to identify policies, which we described and characterized by date of adoption, target audience, and duration and frequency of the training...
April 19, 2018: American Journal of Public Health
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