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https://www.readbyqxmd.com/read/28735526/the-biocompatibility-of-bone-cements-progress-in-methodological-approach
#1
Carlo Dall'Oca, Tommaso Maluta, Gian Mario Micheloni, Matteo Cengarle, Giampaolo Morbioli, Paolo Bernardi, Andrea Sbarbati, Daniele Degl'Innocenti, Franco Lavini, Bruno Magnan
The ideal bone graft substitute should have certain properties and there are many studies dealing with mixture of polymethylmetacrilate (PMMA) and β-tricalciumphospate (β-TCP) presenting the best characteristics of both. Scanning Electron Microscopy (SEM), for ultra-structural data, resulted a very reliable in vivo model to better understand the bioactivity of a cement and to properly evaluate its suitability for a particular purpose. The present study aims to further improve the knowledge on osteointegration development, using both parameters obtained with the Environmental Scanning Electron Microscopy (ESEM) and focused histological examination...
May 4, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28735486/detection-and-quantification-of-acute-myeloid-leukemia-associated-fusion-transcripts
#2
Jonathan Schumacher, Philippe Szankasi, Todd W Kelley
Real-time quantitative reverse transcription polymerase chain reaction (RT-qPCR)-based detection of abnormal fusion transcripts is an important strategy for the diagnosis and monitoring of patients with acute myeloid leukemia (AML) with t(8;21)(q22;q22); RUNX1-RUNX1T1, inv(16)(p13.1;q22); CBFB-MYH11 or t(15;17)(q22;q12); PML-RARA. In RT-qPCR assays, patient-derived cDNA is subjected to amplification using PCR primers directed against the fusion transcript of interest as well as a reference gene for normalization...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28735483/amlprofiler-a-diagnostic-and-prognostic-microarray-for-acute-myeloid-leukemia
#3
Marco Alessandrini, Sharon S Kappala, Michael S Pepper
Acute myeloid leukemia is characterized by the proliferation and accumulation of immature hematopoietic cells of the myeloid lineage in the bone marrow. The disease is typified by diverse genetic abnormalities and marked heterogeneity both with regard to response to treatment and survival. The AMLprofiler is a qualitative in vitro diagnostic microarray developed by SkylineDx for use with Affymetrix technology. The AMLprofiler makes use of RNA chemistry and incorporates seven separate assays based on three different technologies-cytogenetics, mutation, and expression analysis-to predict post-therapy survival rates in patients with acute myeloid leukemia...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28735394/detection-of-differential-dna-methylation-under-stress-conditions-using-bisulfite-sequence-analysis
#4
Ibtisam Al Harrasi, Rashid Al-Yahyai, Mahmoud W Yaish
DNA methylation is the most important epigenetic change affecting gene expression in plants grown under normal as well as under stress conditions. Therefore, researchers study differential DNA methylation under distinct environmental conditions and their relationship with transcriptome abundance. Up to date, more than 25 methods and techniques are available to detect DNA methylation based on different principles. Bisulfite sequencing method is considered as a gold standard since it is able to distinguish 5-methylcytosine from cytosine using the bisulfite treatment...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28734555/decisional-and-dispositional-capacity-determinations-neuropsychiatric-illness-and-an-integrated-clinical-paradigm
#5
REVIEW
James A Bourgeois, Mary Ann Cohen, Jennifer M Erickson, Rebecca Weintraub Brendel
BACKGROUND: Assessment of decisional capacity requires thorough clinical review of a patient's current psychiatric symptoms and cognitive processes. The assessment to determine the patient's capacity for self-management postdischarge is a different clinical concept from decisional capacity. OBJECTIVES: Standardized guidelines for capacity determinations (both for informed consent and for disposition) would be helpful to clinicians, patients, and their caregivers...
May 13, 2017: Psychosomatics
https://www.readbyqxmd.com/read/28734479/the-internal-medicine-of-the-21st-century-organizational-and-operational-standards
#6
E Casariego-Vales, A Zapatero-Gaviria, F J Elola-Somoza
The Spanish Society of Internal Medicine has developed a consensus document on the standards and recommendations that they consider essential to the organisation of internal medicine units for conducting their activities efficiently and with high quality. We defined 3 groups of key processes: the care of acutely ill adult patients, the comprehensive care of complex chronic patients and the examination of a patient with a difficult diagnosis and no organ-specific disease. As support processes, we identified the structure and operation of the Internal Medicine units...
July 19, 2017: Revista Clínica Española
https://www.readbyqxmd.com/read/28734113/openice-medical-device-interoperability-platform-overview-and-requirement-analysis
#7
David Arney, Jeffrey Plourde, Julian M Goldman
We give an overview of OpenICE, an open source implementation of the ASTM standard F2761 for the Integrated Clinical Environment (ICE) that leverages medical device interoperability, together with an analysis of the clinical and non-functional requirements and community process that inspired its design.
July 22, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28734112/fused-multivariate-empirical-mode-decomposition-memd-and-inverse-solution-method-for-eeg-source-localization
#8
Pegah Khosropanah, Abdul Rahman Ramli, Kheng Seang Lim, Mohammad Hamiruce Marhaban, Anvarjon Ahmedov
EEG source localization is determining possible cortical sources of brain activities with scalp EEG. Generally, every step of the data processing sequence affects the accuracy of EEG source localization. In this paper, we introduce a fused multivariate empirical mode decomposing (MEMD) and inverse solution algorithm with an embedded unsupervised eye blink remover in order to localize the epileptogenic zone accurately. For this purpose, we constructed realistic forward models using MRI and boundary element method (BEM) for each patient to obtain results that are more realistic...
July 22, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28734069/pathogen-richness-and-abundance-predict-patterns-of-adaptive-mhc-variation-in-insular-amphibians
#9
Supen Wang, Conghui Liu, Anthony B Wilson, Na Zhao, Xianping Li, Wei Zhu, Xu Gao, Xuan Liu, Yiming Li
The identification of the factors responsible for genetic variation and differentiation at adaptive loci can provide important insights into the evolutionary process, and is crucial for the effective management of threatened species. We studied the impact of environmental viral richness and abundance on functional diversity and differentiation of the MHC class Ia locus in populations of the black-spotted pond frog (Pelophylax nigromaculatus), an IUCN-listed species, on 24 land-bridge islands of the Zhoushan Archipelago and 3 nearby mainland sites...
July 22, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28733862/recommendations-for-systematic-statistical-computation-of-immunogenicity-cut-points
#10
Viswanath Devanarayan, Wendell C Smith, Rocco L Brunelle, Mary E Seger, Kim Krug, Ronald R Bowsher
Today, the assessment of immunogenicity is integral in nonclinical and clinical testing of new biotherapeutics and biosimilars. A key component in the risk-based evaluation of immunogenicity involves the detection and characterization of anti-drug antibodies (ADA). Over the past couple of decades, much progress has been made in standardizing the generalized approach for ADA testing with a three-tiered testing paradigm involving screening, confirmation, and quasi-quantitative titer assessment representing the typical harmonized scheme...
July 21, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28733768/estimates-of-health-utility-scores-in-chronic-kidney-disease
#11
Nigar Sekercioglu, Bryan Curtis, Sean Murphy, Gord Blackhouse, Brendan Barrett
INTRODUCTION: Coverage decisions in publicly funded healthcare systems require a formal, systematic and transparent assessment process for policies related to distribution of resources. The process is complex and employs multiple types of information, such as clinical effectiveness, costs and health utility scores which are used to produce quality-adjusted life years. The purpose of this study was to create health utility scores for CKD patients within the Canadian population. METHODS: This is a cross-sectional study of CKD patients...
July 21, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28733739/variation-and-treatment-of-vessels-in-laparoscopic-right-hemicolectomy
#12
Kai Ye, Jianan Lin, Yafeng Sun, Yiyang Wu, Jianhua Xu, Songbing He
BACKGROUND: With the introduction of complete mesocolic excision (CME) and the application of laparoscopic technique, surgery for colon cancer has become more standardized and the curative effect has improved [1]. The key points in laparoscopic right hemicolectomy are high ligation of main vessels and root dissection of lymph nodes. The wide range of variations in vascular architecture and intraoperative bleeding are common causes of prolonged surgical time, wound hemorrhage, and even transfer to the opening operation...
July 21, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28733246/defective-recognition-and-naming-of-famous-people-from-voice-in-patients-with-unilateral-temporal-lobe-tumours
#13
C Papagno, G Mattavelli, A Casarotti, L Bello, G Gainotti
Twenty-nine patients who underwent surgery for a temporal glioma, either in the left (16 patients) or right (13 patients) hemisphere, were administered standardized tests of unknown voice discrimination (UVD) and of famous voice recognition (VO-REC), which included tasks of familiarity evaluation, semantic identification and naming of famous voices. The UVD consisted of twenty stimuli, in which two audio files were consecutively presented; the subject was requested to judge whether the voices belonged to the same or different persons...
July 18, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28733188/assay-stability-the-missing-component-of-the-error-budget
#14
Mackay Mark, Hegedus Gabe, Badrick Tony
Gaining a better understanding of Quality Control (QC) processes is a key requirement to improving performance and reducing patient risk. Detecting analytical error is dependent on a QC strategy that reliably detects a critical shift in a result away from the true value. Recently the concept of Six Sigma has been used by diagnostic laboratories to assess the performance of assays and to assist in the selection of QC rules. The sigma metric is one measure of an assay's ability to perform within specification...
July 18, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28733156/a-structured-patient-identification-model-for-medication-therapy-management-services-in-a-community-pharmacy
#15
Gina M Pagano, Brigid K Groves, Catherine H Kuhn, Kyle Porter, Bella H Mehta
OBJECTIVES: To describe the development and implementation of a structured patient identification model for medication therapy management (MTM) services within traditional dispensing activities of a community pharmacy to facilitate pharmacist-provided completion of MTM services. DESIGN: A daily clinical opportunity report was developed as a structured model to identify MTM opportunities daily for all MTM-eligible patients expecting to pick up a prescription. Pharmacy staff was trained and the standardized model was implemented at study sites...
July 18, 2017: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/28733009/design-of-a-new-technique-based-on-combination-of-ultrasound-waves-via-magnetite-solid-phase-and-cloud-point-microextraction-for-determination-of-cr-iii-ions
#16
Shadi Kheirandish, Mehrorang Ghaedi, Kheibar Dashtian, Faezeh Pourebrahim
In this work, we focused on development of a new techniques by coupling of ultrasound irradiation, cloud point method and magnetite solid phase microextraction for the extraction and preconcentration of Cr(III) ions from aqueous solutions. In order to reduce cost and improve practicability of proposed process a new efficient and regenerable magnetite sorbent (functionalized chitosan grafted-amino graphene oxide (GO) decorated by zinc ferrite nanoparticles (CS-GO-Zn: Fe2O4)) was synthesized through hydrothermal method and then characterized by FT-IR, FE-SEM, EDS and XRD analysis...
November 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28733006/physical-and-chemical-mechanism-underlying-ultrasonically-enhanced-hydrochloric-acid-leaching-of-non-oxidative-roasting-of-bastnaesite
#17
Dongliang Zhang, Mei Li, Kai Gao, Jianfei Li, Yujun Yan, Xingyu Liu
In this study, we investigated an alternative to the conventional hydrochloric acid leaching of roasted bastnaesite. The studies suggested that the rare earth oxyfluorides in non-oxidatively roasted bastnaesite can be selectively leached only at elevated temperatures Further, the Ce(IV) in oxidatively roasted bastnaesite does not leach readily at low temperatures, and it is difficult to induce it to form a complex with F(-) ions in order to increase the leaching efficiency. Moreover, it is inevitably reduced to Ce(III) at elevated temperatures...
November 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28732307/a-multisite-audit-to-assess-how-women-with-complex-social-factors-access-and-engage-with-maternity-services
#18
Hannah Rayment-Jones, Eleanor Butler, Chelsie Miller, Christine Nay, Jennifer O'Dowd
OBJECTIVE: to audit women with socially complex lives' documented access to and engagement with antenatal care provided by three inner city, UK maternity services in relation to birth and neonatal outcomes, and referral processes. BACKGROUND: women living socially complex lives, including young mothers, recently arrived immigrants, non-English speaking, and those experiencing domestic violence, poor mental health, drug and alcohol abuse, and poverty experience high rates of morbidity, mortality and poor birth outcomes...
June 27, 2017: Midwifery
https://www.readbyqxmd.com/read/28731476/exact-sequence-variants-should-replace-operational-taxonomic-units-in-marker-gene-data-analysis
#19
Benjamin J Callahan, Paul J McMurdie, Susan P Holmes
Recent advances have made it possible to analyze high-throughput marker-gene sequencing data without resorting to the customary construction of molecular operational taxonomic units (OTUs): clusters of sequencing reads that differ by less than a fixed dissimilarity threshold. New methods control errors sufficiently such that amplicon sequence variants (ASVs) can be resolved exactly, down to the level of single-nucleotide differences over the sequenced gene region. The benefits of finer resolution are immediately apparent, and arguments for ASV methods have focused on their improved resolution...
July 21, 2017: ISME Journal
https://www.readbyqxmd.com/read/28731430/neuroimaging-feature-terminology-a-controlled-terminology-for-the-annotation-of-brain-imaging-features
#20
Anandhi Iyappan, Erfan Younesi, Alberto Redolfi, Henri Vrooman, Shashank Khanna, Giovanni B Frisoni, Martin Hofmann-Apitius
Ontologies and terminologies are used for interoperability of knowledge and data in a standard manner among interdisciplinary research groups. Existing imaging ontologies capture general aspects of the imaging domain as a whole such as methodological concepts or calibrations of imaging instruments. However, none of the existing ontologies covers the diagnostic features measured by imaging technologies in the context of neurodegenerative diseases. Therefore, the Neuro-Imaging Feature Terminology (NIFT) was developed to organize the knowledge domain of measured brain features in association with neurodegenerative diseases by imaging technologies...
July 18, 2017: Journal of Alzheimer's Disease: JAD
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