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https://www.readbyqxmd.com/read/28526115/different-life-cycle-strategies-of-the-dinoflagellates-fragilidium-duplocampanaeforme-and-its-prey-dinophysis-acuminata-may-explain-their-different-susceptibilities-to-the-infection-by-the-parasite-parvilucifera-infectans
#1
Bora Lee, Myung Gil Park
Some marine dinoflagellates form ecdysal cyst (=temporary cysts) as part of their life cycle or under unfavorable growth conditions. Whether the dinoflagellates form ecdysal cysts or not may influence susceptibility to parasitism. In this study, parasite prevalence relative to inoculum size of the parasitoid Parvilucifera infectans zoospores for two dinoflagellate hosts (i.e., Fragilidium duplocampanaeforme and Dinophysis acuminata), which have different life cycle strategies, was examined. Further, susceptibility of cysts to parasitism, encystment signal, duration of encystments, and effects of induced encystment on diel periodicity, using ecdysal cyst-forming F...
May 2017: Harmful Algae
https://www.readbyqxmd.com/read/28525604/decomposing-tool-action-observation-a-stereo-eeg-study
#2
F Caruana, P Avanzini, R Mai, V Pelliccia, G LoRusso, G Rizzolatti, G A Orban
A description of the spatiotemporal dynamics of human cortical activity during cognitive tasks is a fundamental goal of neuroscience. In the present study, we employed stereo-EEG in order to assess the neural activity during tool-action observation. We recorded from 49 epileptic patients (5502 leads) implanted with intracerebral electrodes, while they observed tool and hand actions. We deconstructed actions into 3 events-video onset, action onset, and tool-object contact-and assessed how different brain regions respond to these events...
May 19, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28523506/maldi-mass-spectrometry-profiling-and-imaging-applied-to-the-analysis-of-latent-fingermarks
#3
Robert Bradshaw
Latent fingermarks are derived from a transfer of material from the fingertips to a surface upon contact. Traditionally, fingermarks are employed for biometric identification of individuals based on matching of the pattern of the ridges. However, in recent years, there has been a stark increase in the use of advanced analytical techniques in order to obtain additional information, specifically the chemical composition of the residue. Understanding the complexity of the endogenous and exogenous content of fingermarks could be extremely useful in allowing further development of enhancement techniques currently used in forensic scenarios by identifying potential target molecules...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28523329/respiratory-bronchiolitis-associated-interstitial-lung-disease-an-unexpected-form-of-idiopathic-interstitial-pneumonia-in-a-young-male
#4
Claudia Lucia Toma, Elena Danteş, Diana Gabriela Leonte, Ariadna Petronela Fildan
Cigarette smoking is the most frequently encountered risk factor for chronic obstructive pulmonary disease and lung cancer. The latest American Thoracic Society÷European Respiratory Society classification of idiopathic interstitial pneumonia includes two entities related to smoking habits: respiratory bronchiolitis-associated interstitial lung disease and desquamative interstitial pneumonia. The new approach to diagnosis is to combine pathological pattern with clinical and radiological data. Lung biopsy is no longer considered the "gold standard" for diagnosis, but as a part of the diagnosis, which shall be set only after the pulmonologist, radiologist and pathologist reviewed all clinical, imaging and pathological aspects...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28523247/effects-of-a-new-type-of-clear-overlay-retainer-on-occlusal-contacts
#5
Kyoung Yeon Kim, Hyo-Won Ahn, Seong-Hun Kim, Gerald Nelson
The popularity of clear overlay retainers (CORs) has increased recently because of their advantages such as better esthetics, cost effectiveness, easy fabrication, and good compliance. However, a deficiency in posterior occlusal settling is a reported limitation of CORs. The aim of this study was to evaluate the posterior occlusal contact changes in a new type of clear orthodontic retainer called Oral-treaper (OTP), which consists of three layers and has stronger mechanical characteristics than do conventional retainers...
May 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/28521990/preparation-of-chitosan-composite-film-reinforced-with-cellulose-isolated-from-oil-palm-empty-fruit-bunch-and-application-in-cadmium-ions-removal-from-aqueous-solutions
#6
Rahmi, Lelifajri, Julinawati, Shabrina
Chitosan composite films reinforced with cellulose isolated from oil palm empty fruit bunch had been successfully prepared and applied in cadmium ions removal from aqueous solutions. Cellulose particles were isolated by hydrolyzing oil palm empty fruit bunch with hydrochloric acid. Several compositions were prepared by varying the chitosan/cellulose ratio of composites. The structure and the properties of composites were investigated by Fourier transformed infrared spectroscopy (FTIR), X-ray diffraction (XRD) and mechanical performance measurement...
August 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28521702/role-of-ectonucleotidases-in-the-synapse-formation-during-brain-development-physiological-and-pathological-implications
#7
Ivana Grković, Dunja Drakulić, Jelena Martinović, Nataša Mitrović
Extracellular adenine nucleotides and nucleosides, such as ATP and adenosine, are among the most recently identified and least investigated diffusible signaling factors that contribute to the structural and functional remodeling of the brain, both during embryonic and postnatal development. Their levels in the extracellular milieu are tightly controlled by various ectonucleotidases: ectonucleotide pyrophosphatase/phosphodiesterases (E-NPP), alkaline phosphatases (AP), ectonucleoside triphosphate diphosphohydrolases (E-NTPDases) and ecto-5'-nucleotidase (eN)...
May 18, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28520656/the-power-of-a-parent-s-touch-evaluation-of-reach-and-impact-of-a-targeted-evidence-based-youtube-video
#8
Marsha Campbell-Yeo, Justine Dol, Timothy Disher, Britney Benoit, Christine T Chambers, Kaitlyn Sheffield, Talia Boates, Denise Harrison, Brenda Hewitt, Krista Jangaard, Jennifer Stinson, Anna Taddio, Jennifer A Parker, Kim Caddell
Despite strong evidence that skin-to-skin contact and breast-feeding are effective pain-relieving interventions for infants undergoing painful procedures, they remain underutilized in clinical practice. Given the important contribution of parents, there is a need to find innovative ways to assist parents to become actively involved in their infant's care. We developed a YouTube video to disseminate evidence-based information on the effectiveness of skin-to-skin contact and breast-feeding for infant pain management...
May 17, 2017: Journal of Perinatal & Neonatal Nursing
https://www.readbyqxmd.com/read/28520631/operculo-insular-epilepsy-scalp-and-intracranial-electroencephalographic-findings
#9
Ariel Levy, Thi Phuoc Yen Tran, Olivier Boucher, Alain Bouthillier, Dang Khoa Nguyen
PURPOSE: Operculo-insular seizures are heterogeneous and may resemble seizures originating from the temporal, frontal, or parietal lobe. Although surface and invasive EEG recordings are often necessary to detect operculo-insular seizures, electrophysiological features of operculo-insular epilepsies remain poorly characterized. This study describes the EEG findings of patients with operculo-insular epilepsy. METHODS: We reviewed electrophysiological data of all patients (n = 9) with operculo-insular seizures revealed by intracranial EEG and for whom operculo-insular epilepsy was confirmed by good seizure outcome after resective or radiosurgery at our center between 2005 and 2013...
May 16, 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28515868/postglacial-recolonization-shaped-the-genetic-diversity-of-the-winter-moth-operophtera-brumata-in-europe
#10
Jeremy C Andersen, Nathan P Havill, Adalgisa Caccone, Joseph S Elkinton
Changes in climate conditions, particularly during the Quaternary climatic oscillations, have long been recognized to be important for shaping patterns of species diversity. For species residing in the western Palearctic, two commonly observed genetic patterns resulting from these cycles are as follows: (1) that the numbers and distributions of genetic lineages correspond with the use of geographically distinct glacial refugia and (2) that southern populations are generally more diverse than northern populations (the "southern richness, northern purity" paradigm)...
May 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28510184/footprint-of-the-eastern-euroasian-past-in-italian-populations-of-cryptotaenia-thomasii-ten-dc
#11
Anna Maria Palermo, Liliana Bernardo, Domenico Gargano, Giuseppe Pellegrino
BACKGROUND: The knowledge of the genetic architecture of closely related species and/or populations of a single species can be very useful to shed light on the processes that led to their current distributions. The present study provides a preliminary evaluation of the conservation status of the populations of Cryptotaenia thomasii, a very narrow endemic species occurring in southern Italy. Previous studies showed that C. thomasii was phylogenetically closely related to C. flahaultii, endemic species of Caucasus, and to evaluate its conservation status and the genetic variability of plant species the internal transcribed spacers (ITSs) of nuclear ribosomal DNA were sequenced and the SNPs were analyzed...
December 2017: Botanical Studies (Taipei, Taiwan)
https://www.readbyqxmd.com/read/28509715/epidemic-of-isothiazolinone-allergy-in-north-america-prevalence-data-from-the-north-american-contact-dermatitis-group-2013-2014
#12
Matthew J Zirwas, Dathan Hamann, Erin M Warshaw, Howard I Maibach, James S Taylor, Denis Sasseville, Joel G DeKoven, Anthony F Fransway, C G Toby Mathias, Kathryn A Zug, Vincent A DeLeo, Joseph F Fowler, James G Marks, Melanie D Pratt, Donald V Belsito
BACKGROUND: Preservative sensitivity patterns evolve with changing use patterns in products. During the last decade, the use of methylisothiazolinone (MI) at higher concentrations in both leave-on and rinse-off products has significantly increased. This is the first North American Contact Dermatitis Group reporting cycle that includes both methylchloroisothiazolinone (MCI)/MI and MI data. OBJECTIVE: The aim of this study was to report the prevalence of isothiazolinone allergy (MCI/MI and MI) in the North American Contact Dermatitis Group patch-test population from January 1, 2013, to December 31, 2014...
May 2017: Dermatitis
https://www.readbyqxmd.com/read/28507300/minimum-toe-clearance-probing-the-neural-control-of-locomotion
#13
Tim Killeen, Christopher S Easthope, László Demkó, Linard Filli, Lilla Lőrincz, Michael Linnebank, Armin Curt, Björn Zörner, Marc Bolliger
Minimum toe clearance (MTC) occurs during a highly dynamic phase of the gait cycle and is associated with the highest risk of unintentional contact with obstacles or the ground. Age, cognitive function, attention and visual feedback affect foot clearance but how these factors interact to influence MTC control is not fully understood. We measured MTC in 121 healthy individuals aged 20-80 under four treadmill walking conditions; normal walking, lower visual field restriction and two Stroop colour/word naming tasks of two difficulty levels...
May 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28505854/mean-field-equations-for-neuronal-networks-with-arbitrary-degree-distributions
#14
Duane Q Nykamp, Daniel Friedman, Sammy Shaker, Maxwell Shinn, Michael Vella, Albert Compte, Alex Roxin
The emergent dynamics in networks of recurrently coupled spiking neurons depends on the interplay between single-cell dynamics and network topology. Most theoretical studies on network dynamics have assumed simple topologies, such as connections that are made randomly and independently with a fixed probability (Erdös-Rényi network) (ER) or all-to-all connected networks. However, recent findings from slice experiments suggest that the actual patterns of connectivity between cortical neurons are more structured than in the ER random network...
April 2017: Physical Review. E
https://www.readbyqxmd.com/read/28505452/deposition-patterns-of-two-neighbouring-droplets-onsager-variational-principle-studies
#15
Shiyuan Hu, Yuhan Wang, Xingkun Man, Masao Doi
When two droplets containing nonvolatile component are sitting close to each other, asymmetrical ring-like deposition patterns are formed on the substrate. We propose a simple theory that is based on the Onsager variational principle to predict the deposition patterns of two neighbouring droplets. The contact line motion and the interference effect of two droplets are considered simultaneously. We demonstrate that the gradients of evaporation rate along droplets is the main reason for forming asymmetrical deposition patterns...
May 15, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28504519/longitudinal-associations-between-adult-children-s-relations-with-parents-and-intimate-partners
#16
Matthew D Johnson, Adam M Galovan, Rebecca M Horne, Joohong Min, Sabine Walper
Drawing on 5 waves of multiple-informant data gathered from focal participants and their parents and intimate partners (n = 360 families) who completed annual surveys in the German Family Panel (pairfam) study, the present investigation examined bidirectional associations between the development of adults' conflictual and intimate interactions with their parents and intimate partners. Autoregressive cross-lagged latent change score modeling results revealed a robust pattern of coordinated development between parent-adult child and couple conflictual and intimate interactions: increases in conflict and intimacy in one relationship were contemporaneously intertwined with changes in the other relationship...
May 15, 2017: Journal of Family Psychology: JFP
https://www.readbyqxmd.com/read/28504264/absorptive-pinhole-collimators-for-ballistic-dirac-fermions-in-graphene
#17
Arthur W Barnard, Alex Hughes, Aaron L Sharpe, Kenji Watanabe, Takashi Taniguchi, David Goldhaber-Gordon
Ballistic electrons in solids can have mean free paths far larger than the smallest features patterned by lithography. This has allowed development and study of solid-state electron-optical devices such as beam splitters and quantum point contacts, which have informed our understanding of electron flow and interactions. Recently, high-mobility graphene has emerged as an ideal two-dimensional semimetal that hosts unique chiral electron-optical effects due to its honeycomb crystalline lattice. However, this chiral transport prevents the simple use of electrostatic gates to define electron-optical devices in graphene...
May 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28503304/clinico-pathologic-presentation-of-hypersensitivity-pneumonitis-in-egyptian-patients-a-multidisciplinary-study
#18
Dalia Abd El-Kareem, Yosri M Akl, Gina A Nakhla, Ali A Elhindawi, Mahmoud A Eltorky
BACKGROUND: Hypersensitivity pneumonitis (HP) is a common diffuse parenchymal lung disease in Egypt which can be difficult to recognize due to the dynamic symptoms & associated environmental factors. METHODS: Forty-three Egyptian patients were enrolled in this study, presenting with dyspnea and cough, predominant ground-glass opacity (GGO) in high-resolution computed tomography (HRCT) where lung biopsy was needed to establish the diagnosis. RESULTS: The age range was 15 to 60 years...
2017: Multidisciplinary Respiratory Medicine
https://www.readbyqxmd.com/read/28502789/supported-lipid-bilayer-platforms-to-probe-cell-mechanobiology
#19
REVIEW
Roxanne Glazier, Khalid Salaita
Mammalian and bacterial cells sense and exert mechanical forces through the process of mechanotransduction, which interconverts biochemical and physical signals. This is especially important in contact-dependent signaling, where ligand-receptor binding occurs at cell-cell or cell-ECM junctions. By virtue of occurring within these specialized junctions, receptors engaged in contact-dependent signaling undergo oligomerization and coupling with the cytoskeleton as part of their signaling mechanisms. While our ability to measure and map biochemical signaling within cell junctions has advanced over the past decades, physical cues remain difficult to map in space and time...
May 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28502172/direct-dopant-patterning-by-remote-monolayer-doping-enabled-by-monolayer-fragmentation-study
#20
Ori Hazut, Roie Yerushalmi
The development of new doping methods extending beyond the traditional and well-established techniques is desired to match the rapid advances made in semiconductor processing methods and nanostructure synthesis in numerous emerging applications, including the doping of 3D architectures. To address this, monolayer doping (MLD) and monolayer contact doping (MLCD) methods were recently introduced. The monolayer doping methods enable separation of the doping process of nanostructures from the synthesis step, hence it is also termed ex-situ doping...
May 13, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
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