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https://www.readbyqxmd.com/read/28106850/au-graphene-hybrid-plasmonic-nanostructure-sensor-based-on-intensity-shift
#1
Raed Alharbi, Mehrdad Irannejad, Mustafa Yavuz
Integrating plasmonic materials, like gold with a two-dimensional material (e.g., graphene) enhances the light-material interaction and, hence, plasmonic properties of the metallic nanostructure. A localized surface plasmon resonance sensor is an effective platform for biomarker detection. They offer a better bulk surface (local) sensitivity than a regular surface plasmon resonance (SPR) sensor; however, they suffer from a lower figure of merit compared to that one in a propagating surface plasmon resonance sensors...
January 19, 2017: Sensors
https://www.readbyqxmd.com/read/28106612/the-brief-early-childhood-screening-assessment-preliminary-validity-in-pediatric-primary-care
#2
Elise M Fallucco, Tim Wysocki, Lauren James, Chelsea Kozikowski, Andre Williams, Mary M Gleason
OBJECTIVE: Brief, well-validated instruments are needed to facilitate screening for early childhood behavioral and emotional problems (BEPs). The objectives of this study were to empirically reduce the length of the Early Childhood Screening Assessment (ECSA) and to assess the validity and reliability of this shorter tool. METHODS: Using caregiver ECSA responses for 2467 children aged 36 to 60 months seen in primary care, individual ECSA items were ranked on a scale ranging from "absolutely retain" to "absolutely delete...
January 17, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28105603/resuscitation-fluid-composition-affects-hepatic-inflammation-in-a-murine-model-of-early-sepsis
#3
Amanda L Patrick, Peter M Grin, Nicole Kraus, Michelle Gold, Matthew Berardocco, Patricia C Liaw, Alison E Fox-Robichaud
BACKGROUND: Fluid resuscitation is a crucial therapy for sepsis, and the use of balanced fluids and/or isotonic albumin may improve patient survival. We have previously demonstrated that resuscitation with normal saline results in increased hepatic leukocyte recruitment in a murine model of sepsis. Given that clinical formulations of albumin are in saline, our objectives were to develop a novel balanced electrolyte solution specifically for sepsis and to determine if supplementing this solution with albumin would improve the inflammatory response in sepsis...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28103883/performance-of-loop-mediated-isothermal-amplification-lamp-for-the-diagnosis-of-malaria-among-malaria-suspected-pregnant-women-in-northwest-ethiopia
#4
Banchamlak Tegegne, Sisay Getie, Wossenseged Lemma, Abu Naser Mohon, Dylan R Pillai
BACKGROUND: Malaria is a major public health problem and an important cause of maternal and infant morbidity in sub-Saharan Africa, including Ethiopia. Early and accurate diagnosis of malaria with effective treatment is the best strategy for prevention and control of complications during pregnancy and infant morbidity and mortality. However, laboratory diagnosis has relied on the identification of malaria parasites and parasite antigens in peripheral blood using Giemsa-stained microscopy or rapid diagnostic tests (RDTs) which lack analytical and clinical sensitivity...
January 19, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28101736/diagnostic-validity-of-icdas-and-diagnodent-combined-an-in-vitro-study-in-pre-cavitated-lesions
#5
José Enrique Iranzo-Cortés, Sofija Terzic, José María Montiel-Company, José Manuel Almerich-Silla
In a continuous process such as caries, it is important to possess criteria or instruments that allow the lesions to be diagnosed at early stages so that preventive or interceptive treatments can be applied before cavitation takes place. The present study seeks to assess the diagnostic efficacy of the International Caries Detection and Assessment System (ICDAS II) criteria and the DIAGNOdent laser fluorescence (LF) pen in occlusal caries lesions, using histological sections as the gold standard. Sixty-four permanent teeth were examined by two researchers who previously performed and calibrated both the ICDAS II criteria and the use of DIAGNOdent pen...
January 18, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28099121/early-mixed-hematopoietic-chimerism-detection-by-digital-droplet-pcr-in-patients-undergoing-gender-mismatched-hematopoietic-stem-cell-transplantation
#6
Miguel Waterhouse, Dietmar Pfeifer, Marie Follo, Justus Duyster, Henning Schäfer, Hartmut Bertz, Jürgen Finke
BACKGROUND: Clinical decision making after allogeneic stem cell transplantation (HSCT) is partially based on hematopoietic chimerism analysis. Polymerase chain reaction amplification of polymorphic short tandem repeats (STR-PCR) is currently considered the gold standard for chimerism surveillance after transplantation. Nevertheless, this method has shown several limitations. Emerging technologies such as digital PCR (dPCR) has been applied to detect hematopoietic chimerism. Despite previous reports, the clinical usefulness of dPCR is unclear because the studies were performed in limited patient populations with short follow-ups...
January 18, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28097262/lessons-learned-over-a-decade-of-pediatric-robotic-ureteral-reimplantation
#7
REVIEW
Minki Baek, Chester J Koh
The da Vinci robotic system has improved surgeon dexterity, ergonomics, and visualization to allow for a minimally invasive option for complex reconstructive procedures in children. Over the past decade, robot-assisted laparoscopic ureteral reimplantation (RALUR) has become a viable minimally invasive surgical option for pediatric vesicoureteral reflux (VUR). However, higher-than-expected complication rates and suboptimal reflux resolution rates at some centers have also been reported. The heterogeneity of surgical outcomes may arise from the inherent and underestimated complexity of the RALUR procedure that may justify its reclassification as a complex reconstructive procedure and especially for robotic surgeons early in their learning curve...
January 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28096130/early-life-nutrition-and-neurodevelopment-use-of-the-piglet-as-a-translational-model
#8
REVIEW
Austin T Mudd, Ryan N Dilger
Optimal nutrition early in life is critical to ensure proper structural and functional development of infant organ systems. Although pediatric nutrition historically has emphasized research on the relation between nutrition, growth rates, and gastrointestinal maturation, efforts increasingly have focused on how nutrition influences neurodevelopment. The provision of human milk is considered the gold standard in pediatric nutrition; thus, there is interest in understanding how functional nutrients and bioactive components in milk may modulate developmental processes...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28093689/characterizing-a-big-data-cohort-of-over-200-000-low-income-u-s-infants-and-children-for-obesity-research-the-advance-early-life-cohort
#9
J Boone-Heinonen, C J Tillotson, J P O'Malley, E K Cottrell, J A Gaudino, A Amofah, M L Rivo, A Brickman, K Mayer, M A McBurnie, R Gold, J E DeVoe
Introduction Low-income populations have elevated exposure to early life risk factors for obesity, but are understudied in longitudinal research. Our objective was to assess the utility of a cohort derived from electronic health record data from safety net clinics for investigation of obesity emerging in early life. Methods We examined data from the PCORNet ADVANCE Clinical Data Research Network, a national network of Federally-Qualified Health Centers serving >1.7 million safety net patients across the US...
January 16, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28090451/potential-of-pet-mri-for-imaging-of-non-oncologic-musculoskeletal-disease
#10
REVIEW
Feliks Kogan, Audrey P Fan, Garry E Gold
Early detection of musculoskeletal disease leads to improved therapies and patient outcomes, and would benefit greatly from imaging at the cellular and molecular level. As it becomes clear that assessment of multiple tissues and functional processes are often necessary to study the complex pathogenesis of musculoskeletal disorders, the role of multi-modality molecular imaging becomes increasingly important. New positron emission tomography-magnetic resonance imaging (PET-MRI) systems offer to combine high-resolution MRI with simultaneous molecular information from PET to study the multifaceted processes involved in numerous musculoskeletal disorders...
December 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28089873/patterns-of-immune-development-in-urban-preschoolers-with-recurrent-wheeze-and-or-atopy
#11
James E Gern, Agustin Calatroni, Katy F Jaffee, Henry Lynn, Amy Dresen, William W Cruikshank, Howard M Lederman, Hugh A Sampson, Wayne Shreffler, Leonard B Bacharier, Peter J Gergen, Diane R Gold, Meyer Kattan, George T O'Connor, Megan T Sandel, Robert A Wood, Gordon R Bloomberg
BACKGROUND: Disadvantaged urban children have high rates of allergic diseases and wheezing, which are diseases associated with Type 2-biased immunity. OBJECTIVE: To determine whether environmental exposures in early life influence cytokine responses which affect the development of recurrent wheezing illnesses and allergic sensitization. METHODS: A birth cohort of 560 urban families was recruited from neighborhoods with high rates of poverty, and 467 (83%) children were followed until 3 years of age...
January 13, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28088549/redistribution-of-elements-between-wastes-and-organic-bearing-material-in-the-dispersion-train-of-gold-bearing-sulfide-tailings-part-i-geochemistry-and-mineralogy
#12
B Yu Saryg-Ool, I N Myagkaya, I S Kirichenko, M A Gustaytis, O V Shuvaeva, S M Zhmodik, E V Lazareva
Migration and redistribution of elements during prolonged interaction of cyanide wastes with the underlying natural organic-bearing material have been studied in two ~40cm deep cores that sample primary ores and their weathering profile (wastes I and II, respectively) in the dispersion train of gold-bearing sulfide tailings in Siberia. Analytical results of SR-XRF, whole-rock XRF, AAS, CHNS, and SEM measurements of core samples show high K, Sr, Ti, and Fe enrichments and correlation of P2O5 and Mn with LOI and Corg...
January 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28077701/a-comparison-of-eleven-phenotypic-assays-for-the-accurate-detection-of-carbapenemase-producing-enterobacteriaceae
#13
Pranita D Tamma, Belita N A Opene, Andrew Gluck, Krizia K Chambers, Karen C Carroll, Patricia J Simner
BACKGROUND: Early identification of carbapenemase-producing Enterobacteriaceae (CPE) is essential to prevent their dissemination within healthcare settings. Our objective was to evaluate the accuracy of 11 phenotypic assays for the detection of CPE. METHODS: Two collections of carbapenem-resistant Enterobacteriaceae (CRE) isolates were evaluated including 191 retrospective isolates (122 CP-CRE and 69 non-CP isolates) as well as 45 prospective clinical isolates (15 CP-CRE and 30 non-CP-CRE) obtained over a 3-month period...
January 11, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28075469/urinary-kidney-injury-molecule%C3%A2-1-as-an-early-diagnostic-biomarker-of-obstructive-acute-kidney-injury-and-development-of-a-rapid-detection-method
#14
Yingli Jin, Xiaona Shao, Bo Sun, Chunsheng Miao, Zhengqiang Li, Yan Shi
The aim of the present study was to investigate whether urinary kidney injury molecule‑1 (KIM‑1) presents a suitable early diagnostic biomarker of obstructive nephropathy‑induced acute kidney injury (AKI), and to develop a rapid detection method for urinary KIM‑1. Obstructive AKI was induced in an experimental rat model by a unilateral ureteral obstruction (UUO) operation. Macro‑ and micromorphological kidney alterations were determined by visual observation and hematoxylin and eosin (HE) staining, respectively...
January 5, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28071721/assessment-of-phospholipid-synthesis-related-biomarkers-for-perinatal-asphyxia-a-piglet-study
#15
Ángel Sánchez-Illana, Rønnaug Solberg, Isabel Lliso, Leonid Pankratov, Guillermo Quintás, Ola Didrik Saugstad, Máximo Vento, Julia Kuligowski
The prompt and reliable identification of infants at risk of hypoxic-ischemic encephalopathy secondary to perinatal asphyxia in the first critical hours is important for clinical decision-making and yet still remains a challenge. This work strives for the evaluation of a panel of metabolic biomarkers that have been associated with the hypoxic-ischemic insult in the perinatal period. Plasma and urine samples from a consolidated newborn piglet model of hypoxia and withdrawn before and at different time points after a hypoxic insult were analyzed and compared to a control group...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28066614/the-role-of-bronchoscopy-in-the-diagnosis-of-early-lung-cancer-a-review
#16
REVIEW
Marco Andolfi, Rossella Potenza, Rosanna Capozzi, Valeria Liparulo, Francesco Puma, Kazuhiro Yasufuku
Lung cancer is the leading cause of cancer-related deaths worldwide with an overall 5-year survival rate of 17% after diagnoses. Indeed many patients tend to have a very poor prognosis, due to being diagnosed at an advanced stage. Conversely patients who are diagnosed at an early stage have a 5-year survival >70%, indicating that early detection of lung cancer is crucial to improve survival. Although flexible bronchoscopy is a relatively non-invasive procedure for patients suspected of having lung cancer, only 29% of carcinoma in situ (CIS) and 69% of microinvasive tumors were detectable using white light bronchoscopy (WLB) alone...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28062541/evaluation-of-a-novel-renewable-hepatic-cell-model-for-prediction-of-clinical-cyp3a4-induction-using-a-correlation-based-ris-approach
#17
Rongjun Zuo, Feng Li, Sweta Parikh, Li Cao, Kirsten L Cooper, Yulong Hong, Jin Liu, Ronald A Faris, Daochuan Li, Hongbing Wang
Metabolism enzyme induction-mediated drug-drug interactions need to be carefully characterized in vitro for drug candidates in order to predict in vivo outcomes of safety risk and therapeutic efficiency. Currently, both the FDA and EMA recommend using primary human hepatocytes as the "Gold Standard" in vitro test system for studying the induction potential of candidate drugs on cytochrome P450 (CYP), CYP3A4, CYP1A2, and CYP2B6. However, primary human hepatocytes are known to bear inherent limitations such as limited supply and large lot-to-lot variations which result in an experimental burden to qualify new lots...
January 6, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28058859/clinical-characteristics-treatment-patterns-and-socio-economic-burden-of-copd-in-bulgaria
#18
Maria Kamusheva, Maria Dimitrova, Job Fm van Boven, Maarten J Postma, Thys van der Molen, Janwillem Wh Kocks, Konstantin Mitov, Miglena Doneva, Daniela Petrova, Ognyan Georgiev, Valentina Petkova, Guenka Petrova
INTRODUCTION: While the impact of COPD in Western-Europe is known, data from Eastern-Europe is scarce. We aimed to evaluate clinical characteristics, treatment patterns and the socio-economic burden of COPD in Eastern-Europe, taking Bulgaria as a reference case. METHODS: A representative sample of Bulgarian patients with COPD was randomly chosen by pulmonologists based on the following inclusion criteria: COPD diagnosis with at least one year of living with COPD, ≥40 years of age, and use of COPD medication...
January 6, 2017: Journal of Medical Economics
https://www.readbyqxmd.com/read/28058478/cardiac-magnetic-resonance-feature-tracking-biventricular-two-dimensional-and-three-dimensional-strains-to-evaluate-ventricular-function-in-children-after-repaired-tetralogy-of-fallot-as-compared-with-healthy-children
#19
Fernando M Berganza, Cesar Gonzalez de Alba, Nazire Özcelik, Dilachew Adebo
Cardiac magnetic resonance imaging is an important tool to evaluate cardiac anatomy and ventricular size and function after repaired tetralogy of Fallot. Magnetic resonance tissue tagging is the gold standard for evaluation of myocardial strain. However, myocardial tagging strain requires tagged images to be obtained prospectively, during the scan and with limited temporal resolution. Cardiac magnetic resonance feature tracking is a new tool that allows the retrospective analysis of cine images. There is limited experience with cardiac magnetic resonance feature tracking strain analysis in children...
January 5, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28054963/liquid-biopsies-for-cancer-coming-to-a-patient-near-you
#20
REVIEW
Nithya Krishnamurthy, Emily Spencer, Ali Torkamani, Laura Nicholson
The use of circulating tumor DNA (ctDNA) as a novel and non-invasive test for the diagnosis and surveillance of cancer is a rapidly growing area of interest, with sequencing of ctDNA acting as a potential surrogate for tissue biopsy. Circulating tumor DNA has been detected incidentally during noninvasive prenatal testing and additionally in more than 75% of known cancer patients participating in ctDNA studies evaluating its sensitivity. In the setting of mutation-based targeted tumor therapy, it shows a concordance rate >80% when compared with gold-standard tissue biopsies...
January 4, 2017: Journal of Clinical Medicine
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