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https://www.readbyqxmd.com/read/27921270/halogenated-indoles-eradicate-bacterial-persister-cells-and-biofilms
#1
Jin-Hyung Lee, Yong-Guy Kim, Giyeon Gwon, Thomas K Wood, Jintae Lee
The emergence of antibiotic resistance has necessitated new therapeutic approaches to combat recalcitrant bacterial infections. Persister cells, often found in biofilms, are metabolically dormant, and thus, are highly tolerant to all traditional antibiotics and represent a major drug resistance mechanism. In the present study, 36 diverse indole derivatives were investigated with the aim of identifying novel compounds that inhibit persisters and biofilm formation by Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus...
December 2016: AMB Express
https://www.readbyqxmd.com/read/27921153/prone-transradial-catheterization-for-combined-single-session-transarterial-embolization-and-percutaneous-posterior-approach-cryoablation-of-solid-neoplasms
#2
Jeffrey Forris Beecham Chick, Casey Branach, Bill Saliba Majdalany, J Matthew Meadows, Douglas A Murrey, Wael A Saad, Minhaj S Khaja, Kyle J Cooper, Matthew L Osher, Ravi Nara Srinivasa
Transradial access (TRA) has been associated with improved post-procedure hemostasis and patient satisfaction, and decreased hemorrhagic complications, sedation requirements, recovery times, and procedure-related costs when compared with traditional transfemoral catheterization. Supine TRA has been described for the treatment of myocardial infarctions, aortoiliac and femoropopliteal stenoses, and a variety of neoplasms. This original research describes prone transradial catheterization to facilitate combined single-session transarterial embolization and percutaneous cryoablation of solid neoplasms from a posterior approach without repositioning...
December 5, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27921036/acute-kidney-injury-in-asia
#3
REVIEW
Li Yang
BACKGROUND: Acute kidney injury (AKI) is a common disorder and is associated with a high morbidity and mortality worldwide. The diversity of the climate and of the socioeconomic and developmental status in Asia has a great influence on the etiology and presentation of AKI in different regions. In view of the International Society of Nephrology's 0by25 initiative, more and more attention has been paid to AKI in Asian countries. SUMMARY: In this review, we summarize the recent achievements with regard to the prevalence and clinical patterns of AKI in Asian countries...
October 2016: Kidney Diseases
https://www.readbyqxmd.com/read/27920783/genomic-tools-in-pearl-millet-breeding-for-drought-tolerance-status-and-prospects
#4
REVIEW
Desalegn D Serba, Rattan S Yadav
Pearl millet [Penisetum glaucum (L) R. Br.] is a hardy cereal crop grown in the arid and semiarid tropics where other cereals are likely to fail to produce economic yields due to drought and heat stresses. Adaptive evolution, a form of natural selection shaped the crop to grow and yield satisfactorily with limited moisture supply or under periodic water deficits in the soil. Drought tolerance is a complex polygenic trait that various morphological and physiological responses are controlled by 100s of genes and significantly influenced by the environment...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27920733/chinese-writing-of-deaf-or-hard-of-hearing-students-and-normal-hearing-peers-from-complex-network-approach
#5
Huiyuan Jin, Haitao Liu
Deaf or hard-of-hearing individuals usually face a greater challenge to learn to write than their normal-hearing counterparts. Due to the limitations of traditional research methods focusing on microscopic linguistic features, a holistic characterization of the writing linguistic features of these language users is lacking. This study attempts to fill this gap by adopting the methodology of linguistic complex networks. Two syntactic dependency networks are built in order to compare the macroscopic linguistic features of deaf or hard-of-hearing students and those of their normal-hearing peers...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27920550/using-drawings-to-explore-patients-perceptions-of-their-illness-a-scoping-review
#6
REVIEW
Melissa Mei Yin Cheung, Bandana Saini, Lorraine Smith
BACKGROUND: An emerging approach for investigating patient perspectives of their illness is the use of drawings. OBJECTIVE: This scoping review consolidates findings from current literature regarding the use of drawings to explore patients' perceptions and experiences of their illness and treatment. METHODS: Electronic databases (Medline, PubMed, Embase, PsychINFO, Cinahl, Art Index and Scopus) and reference lists were searched to identify published English language studies using participant-generated drawings to explore adults' perceptions and experiences of their illness and treatment...
2016: Journal of Multidisciplinary Healthcare
https://www.readbyqxmd.com/read/27920366/a-graphical-perspective-of-marginal-structural-models-an-application-for-the-estimation-of-the-effect-of-physical-activity-on-blood-pressure
#7
Denis Talbot, Amanda M Rossi, Simon L Bacon, Juli Atherton, Geneviève Lefebvre
Estimating causal effects requires important prior subject-matter knowledge and, sometimes, sophisticated statistical tools. The latter is especially true when targeting the causal effect of a time-varying exposure in a longitudinal study. Marginal structural models are a relatively new class of causal models that effectively deal with the estimation of the effects of time-varying exposures. Marginal structural models have traditionally been embedded in the counterfactual framework to causal inference. In this paper, we use the causal graph framework to enhance the implementation of marginal structural models...
December 5, 2016: Statistical Methods in Medical Research
https://www.readbyqxmd.com/read/27920362/a-more-efficient-three-arm-non-inferiority-test-based-on-pooled-estimators-of-the-homogeneous-variance
#8
Hezhi Lu, Hua Jin, Weixiong Zeng
Hida and Tango established a statistical testing framework for the three-arm non-inferiority trial including a placebo with a pre-specified non-inferiority margin to overcome the shortcomings of traditional two-arm non-inferiority trials (such as having to choose the non-inferiority margin). In this paper, we propose a new method that improves their approach with respect to two aspects. We construct our testing statistics based on the best unbiased pooled estimators of the homogeneous variance; and we use the principle of intersection-union tests to determine the rejection rule...
December 5, 2016: Statistical Methods in Medical Research
https://www.readbyqxmd.com/read/27920348/confirmatory-factor-analysis-alternative-free-accessible-cbid-software
#9
Marjorie Bott, Alex G Karanevich, Lili Garrard, Larry R Price, Dinesh Pal Mudaranthakam, Byron Gajewski
New software that performs Classical and Bayesian Instrument Development (CBID) is reported that seamlessly integrates expert (content validity) and participant data (construct validity) to produce entire reliability estimates with smaller sample requirements. The free CBID software can be accessed through a website and used by clinical investigators in new instrument development. Demonstrations are presented of the three approaches using the CBID software: (a) traditional confirmatory factor analysis (CFA), (b) Bayesian CFA using flat uninformative prior, and (c) Bayesian CFA using content expert data (informative prior)...
December 5, 2016: Western Journal of Nursing Research
https://www.readbyqxmd.com/read/27920066/new-concepts-for-an-old-problem-the-diagnosis-of-endometrial-hyperplasia
#10
REVIEW
Peter A Sanderson, Hilary O D Critchley, Alistair R W Williams, Mark J Arends, Philippa T K Saunders
BACKGROUND: Endometrial hyperplasia (EH) is a uterine pathology representing a spectrum of morphological endometrial alterations. It is predominantly characterized by an increase in the endometrial gland-to-stroma ratio when compared to normal proliferative endometrium. The clinical significance of EH lies in the associated risk of progression to endometrioid endometrial cancer (EC) and 'atypical' forms of EH are regarded as premalignant lesions. Traditional histopathological classification systems for EH exhibit wide and varying degrees of diagnostic reproducibility and, as a consequence, standardized patient management can be challenging...
December 4, 2016: Human Reproduction Update
https://www.readbyqxmd.com/read/27919903/high-throughput-screening-and-prediction-models-building-for-novel-hemozoin-inhibitors-using-physicochemical-properties
#11
Nguyen Tien Huy, Pham Lan Chi, Jun Nagai, Tran Ngoc Dang, Evaristus Chibunna Mbanefo, Ali Mahmoud Ahmed, Nguyen Phuoc Long, Le Thi Bich Thoa, Le Phi Hung, Titouna Afaf, Kaeko Kamei, Hiroshi Ueda, Kenji Hirayama
It is essential to continue the search for novel antimalarial drugs due to current spread of resistance against artemisinin by Plasmodium falciparum parasites. In this study, we developed in silico models to predict hemozoin inhibitors as a potential first-step screening for novel antimalarials. The in vitro colorimetric high throughput screening assay of hemozoin formation was used to identify hemozoin inhibitors from 9600 structurally diverse compounds. Physicochemical properties of positive hits and randomly selected compounds were extracted from ChemSpider database; they were used for developing prediction models to predict hemozoin inhibitors using two different approaches, i...
December 5, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27919153/-nudge-strategies-at-a-glance-an-overview-more-freedom-or-new-paternalism
#12
Luca Leone
Under the theoretical assumptions of individual bounded rationality and of behavioural psychology about human actions and agency, nudge has been promoted as an alternative to traditional regulatory tools, characterized by being inexpensive, choice-preserving, and bound to promote legitimate goals and citizens' welfare within through specific choice architectures. Applicable to several domains, health included, the nudging approach runs in connection with requests and needs arising from marketing strategies, with the aim of maximizing economic rationality and efficiency...
November 2016: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/27918852/anomaly-detection-outperforms-logistic-regression-in-predicting-outcomes-in-trauma-patients
#13
Zachary D W Dezman, Chen Gao, Shiming Yang, Peter Hu, Li Yao, Hsiao-Chi Li, Chein-I Chang, Colin Mackenzie
OBJECTIVE: Recent advancements in trauma resuscitation have shown a great benefit of early identification and control of hemorrhage, which is the most common cause of death in injured patients. We introduce a new analytical approach, anomaly detection (AD), as an alternative method to the traditional logistic regression (LR) method in predicting which injured patients receive transfusions, intensive care, and other interventions. METHODS: We abstracted routinely collected prehospital vital sign data from patient records (adult patients who survived more than 15 minutes after being directly admitted to a level 1 trauma center)...
December 5, 2016: Prehospital Emergency Care
https://www.readbyqxmd.com/read/27918414/wearable-sensor-based-human-activity-recognition-method-with-multi-features-extracted-from-hilbert-huang-transform
#14
Huile Xu, Jinyi Liu, Haibo Hu, Yi Zhang
Wearable sensors-based human activity recognition introduces many useful applications and services in health care, rehabilitation training, elderly monitoring and many other areas of human interaction. Existing works in this field mainly focus on recognizing activities by using traditional features extracted from Fourier transform (FT) or wavelet transform (WT). However, these signal processing approaches are suitable for a linear signal but not for a nonlinear signal. In this paper, we investigate the characteristics of the Hilbert-Huang transform (HHT) for dealing with activity data with properties such as nonlinearity and non-stationarity...
December 2, 2016: Sensors
https://www.readbyqxmd.com/read/27917678/traditional-mediterranean-plants-characterization-and-use-of-an-essential-oils-mixture-to-treat-malassezia-otitis-externa-in-atopic-dogs
#15
Simona Nardoni, Luisa Pistelli, Ilenia Baronti, Basma Najar, Francesca Pisseri, Rose Vanessa Bandeira Reidel, Roberto Papini, Stefania Perrucci, Francesca Mancianti
Several plants extracts from Mediterranean countries are traditionally employed in skin troubles both in humans and in animals. Malassezia pachydermatis is a lipophylic yeast responsible for otitis externa and dermatitis in dogs and for cutaneous and systemic disease in humans. Five mixtures of essential oils obtained from Mediterranean plants (Citrus paradisi, Salvia sclarea, Ocimum basilicum, Rosmarinus officinalis, Citrus limon, Anthemis nobilis, Lavandula hybrida and Thymus vulgaris) provided with antifungal and/or anti-inflammatory action assayed in vitro, were tested in vivo versus M...
December 5, 2016: Natural Product Research
https://www.readbyqxmd.com/read/27917161/the-interaction-between-plants-and-bacteria-in-the-remediation-of-petroleum-hydrocarbons-an-environmental-perspective
#16
REVIEW
Panagiotis Gkorezis, Matteo Daghio, Andrea Franzetti, Jonathan D Van Hamme, Wouter Sillen, Jaco Vangronsveld
Widespread pollution of terrestrial ecosystems with petroleum hydrocarbons (PHCs) has generated a need for remediation and, given that many PHCs are biodegradable, bio- and phyto-remediation are often viable approaches for active and passive remediation. This review focuses on phytoremediation with particular interest on the interactions between and use of plant-associated bacteria to restore PHC polluted sites. Plant-associated bacteria include endophytic, phyllospheric, and rhizospheric bacteria, and cooperation between these bacteria and their host plants allows for greater plant survivability and treatment outcomes in contaminated sites...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27917103/motor-imagery-during-action-observation-a-brief-review-of-evidence-theory-and-future-research-opportunities
#17
REVIEW
Daniel L Eaves, Martin Riach, Paul S Holmes, David J Wright
Motor imagery (MI) and action observation (AO) have traditionally been viewed as two separate techniques, which can both be used alongside physical practice to enhance motor learning and rehabilitation. Their independent use has largely been shown to be effective, and there is clear evidence that the two processes can elicit similar activity in the motor system. Building on these well-established findings, research has now turned to investigate the effects of their combined use. In this article, we first review the available neurophysiological and behavioral evidence for the effects of combined action observation and motor imagery (AO+MI) on motor processes...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27916948/a-robust-and-device-free-system-for-the-recognition-and-classification-of-elderly-activities
#18
Fangmin Li, Mohammed Abdulaziz Aide Al-Qaness, Yong Zhang, Bihai Zhao, Xidao Luan
Human activity recognition, tracking and classification is an essential trend in assisted living systems that can help support elderly people with their daily activities. Traditional activity recognition approaches depend on vision-based or sensor-based techniques. Nowadays, a novel promising technique has obtained more attention, namely device-free human activity recognition that neither requires the target object to wear or carry a device nor install cameras in a perceived area. The device-free technique for activity recognition uses only the signals of common wireless local area network (WLAN) devices available everywhere...
December 1, 2016: Sensors
https://www.readbyqxmd.com/read/27916567/fluorescent-visualization-of-cellular-proton-fluxes
#19
Lejie Zhang, Karl Bellve, Kevin Fogarty, William R Kobertz
Cells use plasma membrane proton fluxes to maintain cytoplasmic and extracellular pH and to mediate the co-transport of metabolites and ions. Because proton-coupled transport often involves movement of multiple substrates, traditional electrical measurements provide limited information about proton transport at the cell surface. Here we visualize voltage-dependent proton fluxes over the entire landscape of a cell by covalently attaching small-molecule fluorescent pH sensors to the cell's glycocalyx. We found that the extracellularly facing sensors enable real-time detection of proton accumulation and depletion at the plasma membrane, providing an indirect readout of channel and transporter activity that correlated with whole-cell proton current...
November 14, 2016: Cell Chemical Biology
https://www.readbyqxmd.com/read/27916009/insertion-of-a-tracheoesophageal-speech-valve-a-novel-approach-in-a-difficult-situation
#20
C P Yiannakis, R B Townsley, I G Smillie, G L Picozzi
BACKGROUND: Functional voice rehabilitation is becoming increasingly important following total laryngectomy and pharyngolaryngectomy. Tracheoesophageal voice via a shunt valve is currently regarded as the 'gold standard' for voice rehabilitation. Traditional techniques usually allow for the replacement of valves in the out-patient setting; however, patient factors such as altered anatomy may occasionally prevent this. OBJECTIVE: This paper describes a novel approach for speech valve insertion that is safe, quick and cost-effective, and which uses equipment commonly available in ENT wards and the operating theatre...
December 5, 2016: Journal of Laryngology and Otology
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