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https://www.readbyqxmd.com/read/28445859/a-risk-scoring-model-based-on-vital-signs-and-laboratory-data-predicting-transfer-to-the-intensive-care-unit-of-patients-admitted-to-gastroenterology-wards
#1
Won-Young Kim, Jinmi Lee, Ju-Ry Lee, Youn Kyung Jung, Hwa Jung Kim, Jin Won Huh, Chae-Man Lim, Younsuck Koh, Sang-Bum Hong
PURPOSE: To compare the ability of a score based on vital signs and laboratory data with that of the modified early warning score (MEWS) to predict ICU transfer of patients with gastrointestinal disorders. MATERIALS AND METHODS: Consecutive events triggering medical emergency team activation in adult patients admitted to the gastroenterology wards of the Asan Medical Center were reviewed. Binary logistic regression was used to identify factors predicting transfer to the ICU...
April 19, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28445706/fabrication-of-electrochemical-biosensor-with-vanadium-pentoxide-nano-interface-for-the-detection-of-methylglyoxal-in-rice
#2
Lakshmi Priyankka Alagappan, Preethi Shanmugasundaram, Bhat Lakshmishri Ramachandra, Manju Bhargavi Gumpu, Noel Nesakumar, K Jayanth Babu, Srinivasan Vedantham, John Bosco Balaguru Rayappan
Increased consumption of raw and par-boiled rice results in the formation of methylglyoxal (MG) at higher concentration and leads to complications in diabetic patients. Highly sensitive electrochemical biosensor was developed using glutathione (GSH) as a co-factor with vanadium pentoxide (V2O5) as a nano-interface for MG detection in rice samples. The Pt/V2O5/GSH/Chitosan bioelectrode displayed two well-defined redox peaks in its cyclic voltammograms for MG reduction. This occurred as two electron transfer process where MG gained two electrons from oxidized glutathione disulfide and formed hemithioacetal...
April 23, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28445609/exosomes-derived-from-mesenchymal-non-small-cell-lung-cancer-cells-promote-chemoresistance
#3
Richard J Lobb, Rosa van Amerongen, Adrian Wiegmans, Sunyoung Ham, Jill E Larsen, Andreas Möller
Non-small cell lung cancer (NSCLC) is the most common lung cancer type and the most common cause of mortality in lung cancer patients. NSCLC is often associated with resistance to chemotherapeutics and together with rapid metastatic spread, results in limited, mostly palliative, treatment options and poor patient survival. NSCLC are heterogeneous, and consist of epithelial and mesenchymal NSCLC cells. Mesenchymal NSCLC cells are thought to be responsible for the chemoresistance phenotype, but if and how this phenotype can be transferred to other NSCLC cells is currently not known...
April 26, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28445365/improvement-of-flap-necrosis-in-a-rat-random-skin-flap-model-by-in-vivo-electroporation-mediated-hgf-gene-transfer
#4
S Morteza Seyed Jafari, Maziar Shafighi, Helmut Beltraminelli, Thomas Geiser, Robert E Hunger, Amiq Gazdhar
BACKGROUND: Despite great understanding of underlying mechanisms for flap necrosis and advances in surgical techniques, flap necrosis remains a critical issue. In the present study, the authors investigated the efficacy of electroporation-mediated hepatocyte growth factor (HGF) gene delivery to random dorsal skin flaps (McFarlane) to accelerate wound healing and reduce flap necrosis. METHODS: Fifteen male Wistar rats (290 to 320 g) were divided randomly into three groups...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28444613/no-difference-in-congenital-anomalies-prevalence-irrespective-of-insemination-methods-and-freezing-procedure-cohort-study-over-fourteen-years-of-an-art-population-in-the-south-of-france
#5
Any Beltran Anzola, Vanessa Pauly, Debbie Montjean, Line Meddeb, Cendrine Geoffroy-Siraudin, Roland Sambuc, Pierre Boyer, Marie-José Gervoise-Boyer
PURPOSE: A retrospective cohort study was conducted to evaluate and compare the prevalence of congenital anomalies in babies and fetuses conceived after four procedures of assisted reproduction technologies (ART). METHODS: The prevalence of congenital anomalies was compared retrospectively between 2750 babies and fetuses conceived between 2001 and 2014 in vitro fertilization with standard insemination (IVF), IVF with intracytoplasmic sperm injection (ICSI), IVF with frozen embryo transfer (FET-IVF), and ICSI with frozen embryo transfer (FET-ICSI)...
March 23, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28443933/high-performance-schottky-heterojunction-photodetector-with-directly-grown-graphene-nanowalls-as-electrodes
#6
Jun Shen, Xiangzhi Liu, Xuefen Song, Xinming Li, Jun Wang, Quan Zhou, Shi Luo, Wenlin Feng, Xingzhan Wei, Shirong Lu, Shuanglong Feng, Chunlei Du, Yuefeng Wang, Haofei Shi, Dapeng Wei
Schottky heterojunctions based on graphene-silicon structures are promising for high-performance photodetectors. However, existing fabrication processes adopt transferred graphene as electrodes, limiting process compatibility and generating pollution because of the metal catalyst. In this report, photodetectors are fabricated using directly grown graphene nanowalls (GNWs) as electrodes. Due to the metal-free growth process, GNWs-Si heterojunctions with an ultralow measured current noise of 3.1 fA Hz(-1/2) are obtained, and the as-prepared photodetectors demonstrate specific detectivities of 5...
April 26, 2017: Nanoscale
https://www.readbyqxmd.com/read/28443848/semiempirical-modeling-of-electrochemical-charge-transfer
#7
Rebecca L Gieseking, Mark A Ratner, George C Schatz
Nanoelectrochemical experiments using detection based on tip enhanced Raman spectroscopy (TERS) show a broad distribution of single-molecule formal potentials E°' for large π-conjugated molecules; theoretical studies are needed to understand the origins of this distribution. In this paper, we present a theoretical approach to determine E°' for electrochemical reactions involving a single molecule interacting with an electrode represented as a metal nanocluster and apply this method to the Ag20-pyridine system...
April 26, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28443593/value-of-post-transfer-day-12-beta-human-chorionic-gonadotropin-levels-for-pregnancy-outcome-prediction-of-intracytoplasmic-sperm-injection-cycles
#8
İnci Kahyaoğlu, Berfu Demir, Sezin Ertürk Aksakal, İskender Kaplanoğlu, Leyla Mollamahmutoğlu
BACKGROUND: Several markers were studied previously in order to predict the pregnancy outcome of assisted reproductive techniques, however serum beta human chorionic gonadotropin (β-hCG) was found to be the most predictive marker. AIMS: The primary aim of this study was to evaluate the value of serum β-hCG levels in discriminating biochemical and clinical pregnancies 12 days after embryo transfer (ET) and to determine the factors predicting of ongoing pregnancy was established as the secondary aim...
April 13, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28442165/technical-tips-to-enhance-micrografting-results-in-burn-surgery
#9
Si Jack Chong, Abby Choke, Bien-Keem Tan
The lack of autograft donor site is one of the greatest limiting factors for the treatment of extensive burn. Micrografting is an important revolution in burn surgery where autografts are cut into small pieces for wide and rapid coverage of burn wound. Our early experiences with the current standard micrografting technique were fraught with poor graft take as well being time and labor intensive. We have improvised our technique, where we combined the use of allograft to serve as a carrier for the micrograft...
April 22, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28442041/cytokine-gene-expression-at-the-maternal-fetal-interface-after-somatic-cell-nuclear-transfer-pregnancies-in-small-ruminants
#10
Heloisa M Rutigliano, Amanda Wilhelm, Justin Hall, Bi Shi, Qinggang Meng, Rusty Stott, Thomas D Bunch, Kenneth L White, Christopher J Davies, Irina A Polejaeva
The present retrospective study investigated pregnancy rates, the incidence of pregnancy loss and large offspring syndrome (LOS) and immune-related gene expression of sheep and goat somatic cell nuclear transfer (SCNT) pregnancies. We hypothesised that significantly higher pregnancy losses observed in sheep compared with goat SCNT pregnancies are due to the increased amounts of T-helper 1 cytokines and proinflammatory mediators at the maternal-fetal interface. Sheep and goat SCNT pregnancies were generated using the same procedure...
April 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28441485/new-insights-into-the-reaction-paths-of-4-carboxybenzophenone-triplet-with-oligopeptides-containing-n-and-c-terminal-methionine-residues
#11
Piotr Filipiak, Krzysztof Bobrowski, Gordon L Hug, Dariusz Pogocki, Christian Schoneich, Bronislaw Marciniak
The oxidation processes of L-Met-(Pro)n-L-Met peptides that contain two Met residues located on the N and C termini and separated by a defined number (n = 0 - 4) of proline residues were investigated in aqueous solutions using laser flash photolysis. The use of such peptides allowed for distance control between the sulfur atoms located in the side chains of the Met residues. Interactions between side chains of the Met residues were probed by the observation of transients with σ*-type 2c-3e (S∴S)(+), (S∴N)(+) and/or (S∴O)(+)-bonds as well as of α-(alkylthio)alkyl radicals (αS)...
April 25, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28441042/aberrantly-expressed-long-noncoding-rnas-in-recurrent-implantation-failure-a-microarray-related-study
#12
Li-Juan Fan, Hong-Jing Han, Jing Guan, Xiao-Wei Zhang, Qing-Hua Cui, Huan Shen, Cheng Shi
Long noncoding RNAs (lncRNAs) are a class of noncoding RNAs longer than 200 nucleotides. They were long regarded as transcription noise for their low expression and non-protein coding features. Recent published reports indicate that lncRNAs are involved in virtually every aspect of human biology. We aimed to profile the endometrial lncRNA expression pattern in women with recurrent implantation failure (RIF) and predict the function of the genes of the dysregulated lncRNA transcripts. Endometrial samples (24) were collected during window of implantation (14 RIF women and 10 women who conceived after embryo transfer)...
April 25, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28440939/trophic-transfer-of-microplastics-in-aquatic-ecosystems-identifying-critical-research-needs
#13
Sarah Y Au, Cindy M Lee, John E Weinstein, Peter van den Hurk, Stephen J Klaine
To evaluate the process of trophic transfer of microplastics, it is important to consider various abiotic and biotic factors involved in their ingestion, egestion, bioaccumulation, and biomagnification. Toward this end, a review of the literature on microplastics has been conducted to identify factors influencing their uptake and absorption; their residence times in organisms and bioaccumulation; the physical effects of their aggregation in gastrointestinal tracts; and their potential to act as vectors for the transfer of other contaminants...
May 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28440648/fate-and-trophic-transfer-of-rare-earth-elements-in-temperate-lake-food-webs
#14
Marc Amyot, Meredith Gabrielle Clayden, Gwyneth A MacMillan, Tania Perron, Alexandre Arscott-Gauvin
Many mining projects targeting rare earth elements (REE) are in development in North America, but the background concentrations and trophic transfer of these elements in natural environments have not been well characterized. We sampled abiotic and food web components in 14 Canadian temperate lakes unaffected by mines, to assess the natural ecosystem fate of REE. Individual REE and total REE concentrations (sum of individual element concentrations, ΣREE) were strongly related with each other throughout different components of lake food webs...
April 25, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28438334/understanding-patterns-of-injury-in-kenya-analysis-of-a-trauma-registry-data-from-a-national-referral-hospital
#15
Isaac M Botchey, Yuen Wai Hung, Abdulgafoor M Bachani, Hassan Saidi, Fatima Paruk, Adnan A Hyder
BACKGROUND: Injuries contribute to a substantial proportion of the burden of disease in Kenya. Trauma registries can be a very useful source of data to understand patterns of injuries and serve to provide information about potential improvements in the care of injured patients. In Kenya, health facility-based injury data has been largely administrative. Our aim was to develop and implement a prospective trauma registry at the largest trauma hospital in Kenya, the Kenyatta National Hospital, and to understand the nature of injuries presenting to the hospital, their treatment and care, and their outcomes...
April 21, 2017: Surgery
https://www.readbyqxmd.com/read/28437986/control-and-design-heat-flux-bending-in-thermal-devices-with-transformation-optics
#16
Guoqiang Xu, Haochun Zhang, Yan Jin, Sen Li, Yao Li
We propose a fundamental latent function of control heat transfer and heat flux density vectors at random positions on thermal materials by applying transformation optics. The expressions for heat flux bending are obtained, and the factors influencing them are investigated in both 2D and 3D cloaking schemes. Under certain conditions, more than one degree of freedom of heat flux bending exists corresponding to the temperature gradients of the 3D domain. The heat flux path can be controlled in random space based on the geometrical azimuths, radial positions, and thermal conductivity ratios of the selected materials...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437783/evacuation-of-a-tertiary-neonatal-centre-lessons-from-the-2016-kumamoto-earthquakes
#17
Osuke Iwata, Akihiko Kawase, Masanori Iwai, Kazuko Wada
BACKGROUND: Newborn infants hospitalised in the neonatal intensive care unit (NICU) are vulnerable to natural disasters. However, publications on evacuation from NICUs are sparse. The 2016 Kumamoto Earthquakes caused serious damage to Kumamoto City Hospital and its level III regional core NICU. Local/neighbour NICU teams and the disaster-communication team of a neonatal academic society cooperated to evacuate 38 newborn infants from the ward. OBJECTIVE: The aim of this paper was to highlight potential key factors to improve emergency NICU evacuation and coordination of hospital transportation following natural disasters...
April 25, 2017: Neonatology
https://www.readbyqxmd.com/read/28437770/historical-and-contemporary-metal-budgets-for-a-boreal-shield-lake
#18
Shaun A Watmough
Metal concentrations in sediment cores are widely used to reconstruct metal deposition histories, but rarely have metal budgets based on measured inputs (atmospheric deposition and inflows) and lake outflows been compared with metal fluxes estimated from lake sediment cores. In this study, budgets for six metals (As, Cd, Co, Cu, Ni and Pb) were estimated by measuring inputs in bulk deposition, inputs in the major inflow and export in the lake outflow for one hydrologic year (2002-2003) at Plastic Lake, Ontario, Canada...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437630/modified-natural-cycle-for-embryo-transfer-using-frozen-thawed-blastocysts-a-satisfactory-option
#19
Quoc V Le, Sina Abhari, Omar M Abuzeid, Jennifer DeAnna, Mohamed A Satti, Tarek Abozaid, Iqbal Khan, Mostafa I Abuzeid
OBJECTIVE: To describe pregnancy outcomes of frozen-thawed blastocysts cycles using modified natural cycle frozen embryo transfers (NC-FET) and down-regulated hormonally controlled frozen embryo transfers (HC-FET) protocols. STUDY DESIGN: This retrospective cohort study included all patients undergoing either modified NC-FET or down-regulated HC-FET using frozen-thawed day 5 embryos. Cycles with donor blastocysts were excluded. Four hundred twenty eight patients underwent a total of 493 FET cycles...
April 6, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28437495/a-practical-guide-to-understanding-and-treating-patellofemoral-pain
#20
John P Fulkerson
There is no shortcut to accurate diagnosis in the patellofemoral pain patient. Most important in the process is a desire and ability to specifically identify the structural and biomechanical origin of pain. This can be elusive and often requires a careful analysis of all factors affecting the patient, including documenting his or her specific history of pain origin and specific treatments to date, and acknowledging the patient's localization of the pain origin. Many patients can pinpoint the site of pain origin when given the time and encouragement to do so...
March 2017: American Journal of Orthopedics
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