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https://www.readbyqxmd.com/read/28432979/the-reality-of-economics-for-oncologists
#1
REVIEW
David Taylor
This article outlines the historical development of health economics and its present role in oncology related health technology assessments (HTAs). Despite concerns about the prices and immediate costs of new anticancer medicines for indications such as breast cancer overall spending on such treatments is affordable and offers long term value for money in countries such as the US, Canada and those of Western Europe. Oncologists wishing to protect the interests of current and future patients with both advanced and earlier stage cancers may be regarded as having a responsibility to understand the nature of health economic evaluations, and to be actively involved in decisions affecting access to current treatments and future levels of investment in incrementally improving therapies...
April 19, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28432954/fully-automatic-left-ventricular-segmentation-from-long-axis-cardiac-cine-mr-scans
#2
Rahil Shahzad, Qian Tao, Oleh Dzyubachyk, Marius Staring, Boudewijn P F Lelieveldt, Rob J van der Geest
With an increasing number of large-scale population-based cardiac magnetic resonance (CMR) imaging studies being conducted nowadays, there comes the mammoth task of image annotation and image analysis. Such population-based studies would greatly benefit from automated pipelines, with an efficient CMR image analysis workflow. The purpose of this work is to investigate the feasibility of using a fully-automatic pipeline to segment the left ventricular endocardium and epicardium simultaneously on two orthogonal (vertical and horizontal) long-axis cardiac cine MRI scans...
April 13, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28432948/butanol-fermentation-of-the-brown-seaweed-laminaria-digitata-by-clostridium-beijerinckii-dsm-6422
#3
Xiaoru Hou, Nikolaj From, Irini Angelidaki, Wouter J J Huijgen, Anne-Belinda Bjerre
Seaweed represents an abundant, renewable, and fast-growing biomass resource for 3rd generation biofuel production. This study reports an efficient butanol fermentation process carried out by Clostridium beijerinckii DSM-6422 using enzymatic hydrolysate of the sugar-rich brown seaweed Laminaria digitata harvested from the coast of the Danish North Sea as substrate. The highest butanol yield (0.42g/g-consumed-substrates) compared to literature was achieved, with a significantly higher butanol:acetone-butanol-ethanol (ABE) molar ratio (0...
April 11, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28432898/cost-effectiveness-of-sensor-augmented-pump-therapy-versus-standard-insulin-pump-therapy-in-patients-with-type-1-diabetes-in-denmark
#4
S Roze, S de Portu, J Smith-Palmer, A Delbaere, W Valentine, M Ridderstråle
AIMS: The use of continuous subcutaneous insulin infusion (CSII) in type 1 diabetes (T1D) has increased in recent years. Sensor-augmented pump therapy (SAP) with low glucose suspend (LGS) (allowing temporary suspension of insulin delivery if blood glucose level falls below a pre-defined threshold level) provides additional benefits over CSII alone, but is associated with higher acquisition costs. Therefore, a cost-effectiveness analysis of SAP+LGS versus CSII in patients with T1D was performed...
February 16, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28432889/reducing-domestic-heating-demand-managing-the-impact-of-behavior-changing-feedback-devices-via-marketing
#5
Thorben Jensen, Émile J L Chappin
Feedback devices can be used to inform households about their energy-consumption behavior. This may persuade them to practice energy conservation. The use of feedback devices can also-via word of mouth-spread among households and thereby support the spread of the incentivized behavior, e.g. energy-efficient heating behavior. This study investigates how to manage the impact of these environmental innovations via marketing. Marketing activities can support the diffusion of devices. This study aims to identify the most effective strategies of marketing feedback devices...
April 19, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28432887/application-of-a-%C3%AE-rs-index-based-method-and-techno-economic-analysis-for-in-situ-treatment-of-137-cs-contaminated-soils-by-cement-barite-based-stabilisation-solidification
#6
Pietro P Falciglia, Stefano Romano, Federico G A Vagliasindi
This paper examines the application of cement (C)-barite (Ba) based-Stabilisation/Solidification (S/S) for the remediation of (137)Cs-contaminated soils, investigating the influence of soil: grout and C: Ba ratios on the shielding performance of the S/S mix assessed as gamma radiation shielding (γRS) index variation. Results from experiments were used to perform a novel approach and an economic analysis in order to calculate the effective dose reduction achievable by S/S and to assess the optimum quantities and costs of selected mixes, respectively...
April 19, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28432880/immobilization-of-cu-zn-cd-and-pb-in-mine-drainage-stream-sediment-using-chinese-loess
#7
Fei Zang, Shengli Wang, Zhongren Nan, Jianmin Ma, Yepu Li, Qian Zhang, Yazhou Chen
The in situ immobilization of metal-contaminated sediment, using various amendments, has attracted great attention owing to their cost-effectiveness. The present study investigated the effectiveness of Chinese loess on Cu, Zn, Cd and Pb stabilization by decreasing their bioavailability in contaminated sediment. The loess was mixed with the sediment in doses of 0, 0.5, 1, 2, 5, 10 and 20 kg. Approximately 70 d after loess application, the effectiveness was evaluated using the Tessier sequential extraction procedure and single extractants, including ethylenediaminetetraacetic acid disodium salt (EDTA-2Na), diethylenetriaminepentaacetic acid (DTPA), calcium chloride (CaCl2) and hydrochloric acid (HCl)...
April 17, 2017: Chemosphere
https://www.readbyqxmd.com/read/28432840/detection-of-egfr-mutations-in-patients-with-non-small-cell-lung-cancer-by-high-resolution-melting-comparison-with-other-methods
#8
Carlos Martínez-Carretero, Fernando Iguaz Pascual, Antonio Rus, Ivan Bernardo
BACKGROUND: The discovery of mutations in the epidermal growth factor receptor gene (EGFR) related to the clinical response to tyrosine kinase inhibitors, has transformed the management of non-small cell lung cancer (NSCLC). Several methods have been developed for determination of mutations in EGFR, with different sensitivity and potential ability to detect a different number of mutations. METHODS: We developed a screening method by high resolution melting (HRM) to detect EGFR mutations, and compared the results of 123 fixed in formalin and paraffin embedded (FFPE) tumor tissue samples with the detection of mutations by allele-specific PCR...
April 22, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28432814/do-males-choose-their-mates-in-the-lekking-moth-achroia-grisella-influence-of-female-body-mass-and-male-reproductive-status-on-male-mate-choice
#9
Marlène Goubault, Rebecca Burlaud
Lekking males aggregate to attract females and contribute solely to egg fertilization, without any further parental care. Evolutionary theory therefore predicts them to be non-choosy towards their mates, because any lost mating opportunities would outweigh the benefits associated with such preferences. Nevertheless, due to time costs, the production of energetically costly sexual displays, and potential sperm limitation, the mating effort of lekking males is often considerable. These factors, combined with the fact that many females of varying quality are likely to visit leks, could favor the evolution of male mate preferences...
April 22, 2017: Insect Science
https://www.readbyqxmd.com/read/28432750/effect-of-feeding-two-rrr-alpha-tocopherol-formulations-on-serum-cerebrospinal-fluid-and-muscle-alpha-tocopherol-concentrations-in-horses-with-subclinical-vitamin-e-deficiency
#10
J C Brown, S J Valberg, M Hogg, C J Finno
BACKGROUND: Alpha tocopherol (α-TP) supplementation is recommended for the prevention of various equine neuromuscular disorders. Formulations available include RRR-α-TP acetate powder and a more expensive but rapidly water-dispersible liquid RRR-α-TP (WD α-TP). A cost-effective means to rapidly increase serum and CSF α-TP with WD-α-TP and then sustain concentrations with RRR-α-TP acetate has not been reported. OBJECTIVES: To evaluate serum, CSF and muscle α-TP concentrations in an 8-week dosing regimen where horses were transitioned from WD RRR-α-TP to RRR-α-TP acetate...
April 22, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28432696/systematic-review-of-self-management-interventions-for-people-with-eczema
#11
REVIEW
M J Ridd, A J L King, E Le Roux, A Waldecker, A L Huntle
Eczema is a common, long-term condition but inadequate support and information can lead to poor adherence and treatment failure. We have reviewed the international literature of interventions designed to promote self-management in adults and children with eczema. MEDLINE, MEDLINE in process, EMBASE, CINAHL and GREAT were searched from their inception to August 2016 for randomised controlled trials. Two authors independently applied eligibility criteria, assessed risk of bias for all included studies and extracted data...
April 22, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28432627/inorganic-fouling-control-in-reverse-osmosis-wastewater-reclamation-by-purging-carbon-dioxide
#12
Muhammad Kashif Shahid, Minsu Pyo, Young-Gyun Choi
Inorganic fouling on the membrane surface is one of the major prevalent issues affecting the performance and cost of reverse osmosis system. Chemical dosage is a widely adopted method for the inhibition of inorganic scale on the membrane surface. In this study, CO2 was used to control inorganic scale formation on surface of reverse osmosis (RO) membrane in wastewater reclamation. The pH of influent could be lowered by purging CO2. It caused an increase in solubility of inorganic salts in water resulting in discharge of principle ions in concentrate stream...
April 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28432624/delivering-environmental-benefit-from-the-use-of-environmental-quality-standards-why-we-need-to-focus-on-implementation
#13
Graham Merrington, Adam Peters, Paul Whitehouse, Robin Clarke, Dan Merckel
The UK has adopted a broader approach to the introduction of Environmental Quality Standard (EQS) for the aquatic environment than many other jurisdictions around the world, with a greater focus on the implementation of scientifically derived standards. This follows the publication of a report by the Royal Commission on Environmental Pollution in 1998 which drew attention to the need to recognise that whilst an EQS is often just viewed as a numerical value, it also has other important characteristics that need to be recognised if it is to be a practical and effective regulatory tool...
April 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28432532/a-portable-battery-powered-microfluidic-impedance-cytometer-with-smartphone-readout-towards-personal-health-monitoring
#14
Niloy Talukder, Abbas Furniturewalla, Tuan Le, Matthew Chan, Shreyas Hirday, Xinnan Cao, Pengfei Xie, Zhongtian Lin, Azam Gholizadeh, Steve Orbine, Mehdi Javanmard
We present a portable system for personalized blood cell counting consisting of a microfluidic impedance cytometer and portable analog readout electronics, feeding into an analog-to-digital converter (ADC), and being transmitted via Bluetooth to a user-accessible mobile application. We fabricated a microfluidic impedance cytometer with a novel portable analog readout. The novel design of the analog readout, which consists of a lock-in-amplifier followed by a high-pass filter stage for subtraction of drift and DC offset, and a post-subtraction high gain stage, enables detection of particles and cells as small as 1 μm in diameter, despite using a low-end 8-bit ADC...
June 2017: Biomedical Microdevices
https://www.readbyqxmd.com/read/28432514/breast-cancer-treatment-costs-in-younger-privately-insured-women
#15
Benjamin T Allaire, Donatus U Ekwueme, Diana Poehler, Cheryll C Thomas, Gery P Guy, Sujha Subramanian, Justin G Trogdon
PURPOSE: Younger women (under age 45 years) diagnosed with breast cancer often face more aggressive tumors, higher treatment intensity, lower survival rates, and greater financial hardship. The purpose of this study was to estimate breast cancer costs by stage at diagnosis during the first 18 months of treatment for privately insured younger women. METHODS: We analyzed North Carolina cancer registry data linked to claims data from private insurers from 2003 to 2010...
April 21, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28432497/immobilization-of-ulp1-protease-on-nhs-activated-sepharose-a-useful-tool-for-cleavage-of-the-sumo-tag-of-recombinant-proteins
#16
Qiujin Liang, Zhengzhi Huang, Yuan Zhang, Hongtao Li
OBJECTIVE: To fabricate an active and stable enzyme through covalent immobilization, a Ubl-specific protease (Ulp1) was used to cleave small ubiquitin-like modifier (SUMO) fusion proteins. RESULTS: We immobilized Ulp1 on N-hydroxysuccinimide (NHS)-activated Sepharose with a coupling efficiency of 1.7 mg/ml. The immobilized Ulp1 maintains 95% substrate-cleavage ability and significantly enhances pH and thermal stability, especially can withstand pH of 10.5. Besides resistance against some small molecules, the immobilized Ulp1 can tolerate 15% (v/v) DMSO and 20% (v/v) ethanol...
April 21, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28432447/twofold-minimum-variance-beamforming-for-enhanced-ultrasound-imaging
#17
Sayed Mahmoud Sakhaei, Seyede Elham Shamsian
PURPOSE: To calculate the optimal weights of a minimum variance (MV) beamformer, the covariance matrix of the received data should be estimated. In ultrasound imaging, it is done through spatial smoothing. However, this technique reduces the effective aperture and consequently limits the attainable resolution. To mitigate this effect, we propose a new configuration for applying an adaptive beamforming method. METHODS: The method is based on applying MV in a twofold configuration such that the outputs of the subarrays are combined through an adaptive MV-like beamformer, instead of simply summing them...
April 21, 2017: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/28432440/application-of-recombinant-pediococcus-acidilactici-bd16-fcs-ech-for-bioconversion-of-agrowaste-to-vanillin
#18
Debkumar Chakraborty, Ammaiyappan Selvam, Baljinder Kaur, Jonathan Woon Chung Wong, Obulisamy Parthiba Karthikeyan
Biotechnological production of vanillin is gaining momentum as the natural synthesis of vanillin that is very expensive. Ferulic acid (FA), a costly compound, is used as the substrate to produce vanillin biotechnologically and the making process is still expensive. Therefore, this study investigated the practical use of an agrobiomass waste, rice bran, and provides the first evidence of a cost-effective production of vanillin within 24 h of incubation using recombinant Pediococcus acidilactici BD16 (fcs (+)/ech (+))...
April 21, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28432352/low-cost-low-bias-and-low-input-rna-seq-with-high-experimental-verifiability-based-on-semiconductor-sequencing
#19
Zhibiao Mai, Chuanle Xiao, Jingjie Jin, Gong Zhang
Low-input RNA-seq is powerful to represent the gene expression profiles with limited number of cells, especially when single-cell variations are not the aim. However, pre-amplification-based and molecule index-based library construction methods boost bias or require higher throughput. Here we demonstrate a simple, low-cost, low-bias and low-input RNA-seq with ion torrent semiconductor sequencing (LIEA RNA-seq). We also developed highly accurate and error-tolerant spliced mapping algorithm FANSe2splice to accurately map the single-ended reads to the reference genome with better experimental verifiability than the previous spliced mappers...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28432344/aptamer-based-label-free-electrochemical-biosensor-array-for-the-detection-of-total-and-glycated-hemoglobin-in-human-whole-blood
#20
Shimaa Eissa, Mohammed Zourob
The increase of the level of glucose in blood leads to an increase in the fraction of glycated hemoglobin (HbA1c). Therefore, the percentage of HbA1c in the blood can serve as a marker for the average glucose level over the past three months and thus, it can be used to diagnose diabetes. Here, we report the selection, identification and characterization of specific DNA aptamers against HbA1c- and total hemoglobin (tHb) and their integration into an electrochemical array sensing platform. High affinity and specificity aptamers were selected in vitro showing dissociation constants of 2...
April 21, 2017: Scientific Reports
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