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https://www.readbyqxmd.com/read/28535585/good-laboratory-standards-for-clinical-next-generation-sequencing-cancer-panel-tests
#1
REVIEW
Jihun Kim, Woong-Yang Park, Nayoung K D Kim, Se Jin Jang, Sung-Min Chun, Chang-Ohk Sung, Jene Choi, Young-Hyeh Ko, Yoon-La Choi, Hyo Sup Shim, Jae-Kyung Won
Next-generation sequencing (NGS) has recently emerged as an essential component of personalized cancer medicine due to its high throughput and low per-base cost. However, no sufficient guidelines for implementing NGS as a clinical molecular pathology test are established in Korea. To ensure clinical grade quality without inhibiting adoption of NGS, a taskforce team assembled by the Korean Society of Pathologists developed laboratory guidelines for NGS cancer panel testing procedures and requirements for clinical implementation of NGS...
May 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28535495/understanding-the-heterogeneity-of-cervical-cancer-screening-non-participants-data-from-a-national-sample-of-british-women
#2
Laura A V Marlow, Amanda J Chorley, Jessica Haddrell, Rebecca Ferrer, Jo Waller
BACKGROUND: Uptake of cervical cancer screening in the United Kingdom (UK) is falling year on year, and a more sophisticated understanding of non-participation may help design interventions to reverse this trend. This study ascertained the prevalence of different non-participant types using the Precaution Adoption Process Model (PAPM). METHODS: Home-based computer-assisted interviews were carried out with 3113 screening-eligible women in Britain. Survey items assessed self-reported screening uptake and intention to attend in future...
May 20, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28535488/ftir-analysis-on-aging-characteristics-of-abs-pc-blend-under-uv-irradiation-in-air
#3
Jiarong Li, Fu Chen, Long Yang, Long Jiang, Yi Dan
Fourier Transform Infrared Spectroscopy (FTIR) is adopted to study the aging characteristics of poly(acrylonitrile-butadiene-styrene)/polycarbonate (ABS/PC) blend under UV-irradiation in air by analyzing the variation of the three main absorbance at about 967cm(-1), 1720cm(-1) and 3420cm(-1) associated with carbon-hydrogen bonds belonging to 1,4 butadiene, carbonyl and hydroxyl groups, respectively. Results indicate that, under UV-irradiation in air, the photo-oxidation of the blend is not a simple combination of the photo-oxidation of corresponding ABS and PC themselves and takes place predominantly at the ABS component...
April 29, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28535455/the-effectiveness-of-telemedicine-delivered-opioid-agonist-therapy-in-a-supervised-clinical-setting
#4
Joseph K Eibl, Graham Gauthier, David Pellegrini, Jeffery Daiter, Michael Varenbut, John C Hogenbirk, David C Marsh
OBJECTIVE: Opioid use disorder has been declared a public health crisis across North America and opioid agonist therapy (OAT) is the standard of care for these patients. Despite the increasing adoption of telemedicine as a delivery method for OAT, its effectiveness has not yet been evaluated against traditional in-person treatment. This study compared treatment outcomes for in-person versus telemedicine-delivered OAT. METHODS: We conducted a non-randomized cohort comparison study using an administrative database for patients who commenced OAT between 2011 and 2012 across 58 clinic sites in the province of Ontario, Canada...
May 17, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28535428/a-regional-market-oriented-governance-for-disaster-management-a-new-planning-approach
#5
Erwin A Blackstone, Simon Hakim, Brian Meehan
This paper proposes a regional competitive governance and management of response and recovery from disasters. It presents problems experienced in major disasters, analyzes the failures, and suggests how a competitive system that relies on private and volunteer regional leaders, personnel, and capital can improve preparation, response and recovery efforts over the existing government system. A Public Choice approach is adopted to explain why government often fails, and how regional governance may be socially more efficient than the existing federal- state-local funded and managed disaster system...
May 13, 2017: Evaluation and Program Planning
https://www.readbyqxmd.com/read/28535422/detailed-characterization-of-bio-oil-from-pyrolysis-of-non-edible-seed-cakes-by-fourier-transform-infrared-spectroscopy-ftir-and-gas-chromatography-mass-spectrometry-gc-ms-techniques
#6
Vatsala Sugumaran, Shanti Prakash, Emmandi Ramu, Ajay Kumar Arora, Veena Bansal, Vivekanand Kagdiyal, Deepak Saxena
Bio-oil obtained from pyrolysis is highly complicated mixture with valued chemicals. In order to reduce the complexity for unambiguous characterization of components present in bio-oil, solvent extractions using different solvents with increasing polarity have been adopted. The fractions have been analyzed by Fourier transform infrared (FTIR) spectroscopy for identifying the functional groups and Gas chromatography-mass spectrometry (GC-MS), for detailed characterization of components present in various fractions, thereby providing in-depth information at molecular level of various components in bio-oil...
May 12, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28535341/fully-stretchable-optoelectronic-sensors-based-on-colloidal-quantum-dots-for-sensing-photoplethysmographic-signals
#7
Tae-Ho Kim, Chang-Seok Lee, Sangwon Kim, Jaehyun Hur, Sangmin Lee, Keun Wook Shin, Young-Zoon Yoon, Moon Kee Choi, Jiwoong Yang, Dae-Hyeong Kim, Taeghwan Hyeon, Seongjun Park, Sungwoo Hwang
Flexible and stretchable optoelectronic devices can be potentially applied in displays, biosensors, biomedicine, robotics, and energy generation. The use of nanomaterials with superior optical properties such as quantum dots (QDs) is important in the realization of wearable displays and biomedical devices, but specific structural design as well as selection of materials should preferentially accompany this technology to realize stretchable forms of these devices. Here, we report stretchable optoelectronic sensors manufactured using colloidal QDs and integrated with elastomeric substrates, whose optoelectronic properties are stable under various deformations...
May 23, 2017: ACS Nano
https://www.readbyqxmd.com/read/28535308/invited-commentary-the-contribution-to-the-field-of-nutritional-epidemiology-of-the-landmark-1985-publication-by-willett-et-al
#8
Amy F Subar, Lawrence H Kushi, Jennifer L Lerman, Laurence S Freedman
The semiquantitative food frequency questionnaire (FFQ) has been the primary source of dietary exposure data in epidemiology for decades. Although frequency instruments had been evaluated before the 1985 publication "Reproducibility and Validity of a Semiquantitative Food Frequency Questionnaire" by Willett et al. (Am J Epidemiol. 1985;122(1):51-65), that paper was the prototype for the development and validation of what was then a highly innovative method for collecting dietary data. This approach was adopted in nearly all subsequent cohort studies of diet and disease...
May 23, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28535206/clinical-exome-sequencing-reports-current-informatics-practice-and-future-opportunities
#9
Rajeswari Swaminathan, Yungui Huang, Caroline Astbury, Sara Fitzgerald-Butt, Katherine Miller, Justin Cole, Christopher Bartlett, Simon Lin
The increased adoption of clinical whole exome sequencing (WES) has improved the diagnostic yield for patients with complex genetic conditions. However, the informatics practice for handling information contained in whole exome reports is still in its infancy, as evidenced by the lack of a common vocabulary within clinical sequencing reports generated across genetic laboratories. Genetic testing results are mostly transmitted using portable document format, which can make secondary analysis and data extraction challenging...
May 23, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28535201/regulatory-t-cells-ameliorate-tissue-plasminogen-activator-induced-brain-haemorrhage-after-stroke
#10
Leilei Mao, Peiying Li, Wen Zhu, Wei Cai, Zongjian Liu, Yanling Wang, Wenli Luo, Ruth A Stetler, Rehana K Leak, Weifeng Yu, Yanqin Gao, Jun Chen, Gang Chen, Xiaoming Hu
Delayed thrombolytic treatment with recombinant tissue plasminogen activator (tPA) may exacerbate blood-brain barrier breakdown after ischaemic stroke and lead to lethal haemorrhagic transformation. The immune system is a dynamic modulator of stroke response, and excessive immune cell accumulation in the cerebral vasculature is associated with compromised integrity of the blood-brain barrier. We previously reported that regulatory T cells, which function to suppress excessive immune responses, ameliorated blood-brain barrier damage after cerebral ischaemia...
May 22, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28535113/quality-of-life-of-the-elderly-on-old-age-pension-in-lesotho
#11
Eltony Mugomeri, Peter Chatanga, Ts'ele Khetheng, Jotham Dhemba
The southern African country of Lesotho introduced an old age pension scheme in 2004 with the aim of enhancing the quality of life (QoL) of the nation's elderly population. This study is the first to assess the physical, psychological, social and environmental aspects of the health-related QoL of the elderly in Lesotho since the pension scheme was adopted. Data for this study was gathered using the World Health Organization QoL-Bref questionnaire. Mean QoL scores were compared across demographic, socio-economic and clinical variables using analysis of variance (ANOVA), T-test and regression analysis...
May 23, 2017: Journal of Aging & Social Policy
https://www.readbyqxmd.com/read/28535105/the-importance-of-economic-perspective-and-quantitative-approaches-in-oncology-value-frameworks-of-drug-selection-and-shared-decision-making
#12
A Reginald Waldeck, Marc F Botteman, Richard E White, Ben A van Hout
The debate around value in oncology drug selection has been prominent in recent years, and several professional bodies have furthered this debate by advocating for so-called value frameworks. Herein, we provide a viewpoint on these value frameworks, emphasizing the need to consider 4 key aspects: (1) the economic underpinnings of value; (2) the importance of the perspective adopted in the valuation; (3) the importance of the difference between absolute and relative measures of risk and measuring patient preferences; and (4) the recognition of multiple quality-of-life (QoL) domains, and the aggregation and valuation of those domains, through utilities within a multicriteria decision analysis, may allow prioritization of QoL above the tallying of safety events, particularly in a value framework focusing on the individual patient...
June 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28535101/design-challenges-of-an-episode-based-payment-model-in-oncology-the-centers-for-medicare-medicaid-services-oncology-care-model
#13
Ronald M Kline, L Daniel Muldoon, Heidi K Schumacher, Larisa M Strawbridge, Andrew W York, Laura K Mortimer, Alison F Falb, Katherine J Cox, Carol Bazell, Ellen W Lukens, Mary C Kapp, Rahul Rajkumar, Amy Bassano, Patrick H Conway
The Centers for Medicare & Medicaid Services developed the Oncology Care Model as an episode-based payment model to encourage participating practitioners to provide higher-quality, better-coordinated care at a lower cost to the nearly three-quarter million fee-for-service Medicare beneficiaries with cancer who receive chemotherapy each year. Episode payment models can be complex. They combine into a single benchmark price all payments for services during an episode of illness, many of which may be delivered at different times by different providers in different locations...
May 23, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28534987/high%C3%A2-throughput-sequencing-analyses-of-oral-microbial-diversity-in-healthy-people-and-patients-with-dental-caries-and-periodontal-disease
#14
Tingtao Chen, Yan Shi, Xiaolei Wang, Xin Wang, Fanjing Meng, Shaoguo Yang, Jian Yang, Hongbo Xin
Recurrence of oral diseases caused by antibiotics has brought about an urgent requirement to explore the oral microbial diversity in the human oral cavity. In the present study, the high‑throughput sequencing method was adopted to compare the microbial diversity of healthy people and oral patients and sequence analysis was performed by UPARSE software package. The Venn results indicated that a mean of 315 operational taxonomic units (OTUs) was obtained, and 73, 64, 53, 19 and 18 common OTUs belonging to Firmicutes, Bacteroidetes, Proteobacteria, Actinobacteria and Fusobacteria, respectively, were identified in healthy people...
May 17, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534906/configuration-dependent-anti-ambipolar-van-der-waals-p-n-heterostructures-based-on-pentacene-single-crystal-and-mos2
#15
Ji Dong, Fengjing Liu, Feng Wang, Jiawei Wang, Molin Li, Yao Wen, Liang Wang, Gongtang Wang, Jun He, Chao Jiang
Recently, van der Waals heterostructures (vdWHs) have trigged intensive interest due to their novel electronic and optoelectronic properties. The vdWHs could be achieved by stacking two dimensional layered materials (2DLMs) on top of another and vertically kept by van der Waals forces. Furthermore, organic semiconductors are also known to interact via van der Waals forces, which offer an alternative for the fabrication of organic-inorganic p-n vdWHs. However, the performances of organic-inorganic p-n vdWHs produced so far are rather poor, owing to the unmatched electrical property between the 2DLMs and organic polycrystalline films...
May 23, 2017: Nanoscale
https://www.readbyqxmd.com/read/28534844/property-analysis-of-the-real-time-uncalibrated-phase-delay-product-generated-by-regional-reference-stations-and-its-influence-on-precise-point-positioning-ambiguity-resolution
#16
Yong Zhang, Qing Wang, Xinyuan Jiang
The real-time estimation of the wide-lane and narrow-lane Uncalibrated Phase Delay (UPD) of satellites is realized by real-time data received from regional reference station networks; The properties of the real-time UPD product and its influence on real-time precise point positioning ambiguity resolution (RTPPP-AR) are experimentally analyzed according to real-time data obtained from the regional Continuously Operating Reference Stations (CORS) network located in Tianjin, Shanghai, Hong Kong, etc. The results show that the real-time wide-lane and narrow-lane UPD products differ significantly from each other in time-domain characteristics; the wide-lane UPDs have daily stability, with a change rate of less than 0...
May 19, 2017: Sensors
https://www.readbyqxmd.com/read/28534816/roi-based-on-board-compression-for-hyperspectral-remote-sensing-images-on-gpu
#17
Rossella Giordano, Pietro Guccione
In recent years, hyperspectral sensors for Earth remote sensing have become very popular. Such systems are able to provide the user with images having both spectral and spatial information. The current hyperspectral spaceborne sensors are able to capture large areas with increased spatial and spectral resolution. For this reason, the volume of acquired data needs to be reduced on board in order to avoid a low orbital duty cycle due to limited storage space. Recently, literature has focused the attention on efficient ways for on-board data compression...
May 19, 2017: Sensors
https://www.readbyqxmd.com/read/28534800/a-deep-convolutional-neural-network-based-framework-for-automatic-fetal-facial-standard-plane-recognition
#18
Zhen Yu, Ee-Leng Tan, Dong Ni, Jing Qin, Siping Chen, Shenli Li, Baiying Lei, Tianfu Wang
Ultrasound imaging has become a prevalent examination method in prenatal diagnosis. Accurate acquisition of fetal facial standard plane (FFSP) is the most important precondition for subsequent diagnosis and measurement. In the past few years, considerable effort has been devoted to FFSP recognition using various hand-crafted features, but the recognition performance is still unsatisfactory due to the high intra-class variation of FFSPs and the high degree of visual similarity between FFSPs and other non-FFSPs...
May 17, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28534798/alzheimer-s-disease-diagnosis-using-landmark-based-features-from-longitudinal-structural-mr-images
#19
Jun Zhang, Mingxia Liu, Le An, Yaozong Gao, Dinggang Shen
Structural magnetic resonance imaging (MRI) has been proven to be an effective tool for Alzheimer's disease (AD) diagnosis. While conventional MRI-based AD diagnosis typically uses images acquired at a single time point, a longitudinal study is more sensitive in detecting early pathological changes of AD, making it more favorable for accurate diagnosis. In general, there are two challenges faced in MRI-based diagnosis. First, extracting features from structural MR images requires timeconsuming nonlinear registration and tissue segmentation, whereas the longitudinal study with involvement of more scans further exacerbates the computational costs...
May 16, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28534789/boundary-eliminated-pseudoinverse-linear-discriminant-for-imbalanced-problems
#20
Yujin Zhu, Zhe Wang, Hongyuan Zha, Daqi Gao
Existing learning models for classification of imbalanced data sets can be grouped as either boundary-based or nonboundary-based depending on whether a decision hyperplane is used in the learning process. The focus of this paper is a new approach that leverages the advantage of both approaches. Specifically, our new model partitions the input space into three parts by creating two additional boundaries in the training process, and then makes the final decision based on a heuristic measurement between the test sample and a subset of selected training samples...
May 16, 2017: IEEE Transactions on Neural Networks and Learning Systems
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