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https://www.readbyqxmd.com/read/29133107/paraneoplastic-neuromyelitis-optica-spectrum-disorder-a-case-report-and-review-of-the-literature
#1
REVIEW
Ádám Annus, Krisztina Bencsik, Izabella Obál, Zsigmond Tamás Kincses, László Tiszlavicz, Romana Höftberger, László Vécsei
Neuromyelitis optica spectrum disorders (NMOSD) are demyelinating, autoimmune diseases affecting the central nervous system. Typically, recurrent optic neuritis and longitudinal extensive transverse myelitis dominates the clinical picture. In most cases NMOSD are associated with autoantibodies targeting the water channel aquaporin-4 (AQP-4). NMOSD usually present in young adults. Clinical findings suggestive of NMOSD in elderly patients should raise the suspicion of a paraneoplastic etiology. To our knowledge, we report the first case of a 66 year-old female patient with paraneoplastic NMOSD that is associated with squamous cell lung carcinoma...
November 10, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29042021/fresnel-s-laws-ceteris-paribus
#2
Aaron Sidney Wright
This article is about structural realism, historical continuity, laws of nature, and ceteris paribus clauses. Fresnel's Laws of optics support Structural Realism because they are a scientific structure that has survived theory change. However, the history of Fresnel's Laws which has been depicted in debates over realism since the 1980s is badly distorted. Specifically, claims that J. C. Maxwell or his followers believed in an ontologically-subsistent electromagnetic field, and gave up the aether, before Einstein's annus mirabilis in 1905 are indefensible...
August 2017: Studies in History and Philosophy of Science
https://www.readbyqxmd.com/read/28846927/arsenic-distribution-in-a-pasture-area-impacted-by-past-mining-activities
#3
P Abad-Valle, E Álvarez-Ayuso, A Murciego, L M Muñoz-Centeno, P Alonso-Rojo, P Villar-Alonso
Former mine exploitations entail a serious threat to surrounding ecosystems as after closure of mining activities their unmanaged wastes can be a continuous source of toxic trace elements. Quite often these mine sites are found within agricultural farming areas, involving serious hazards as regards product (feed/food) quality. In this work a grazing land impacted by the abandoned mine exploitation of an arsenical deposit was studied so as to evaluate the fate of arsenic (As) and other trace elements and the potential risks involved...
January 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28732917/ultrasound-assisted-pectic-polysaccharide-extraction-and-its-characterization-from-waste-heads-of-helianthus-annus
#4
K Ponmurugan, Naif Abdullah Al-Dhabi, J Prakash Maran, K Karthikeyan, I Ganesh Moothy, N Sivarajasekar, J Jony Blessing Manoj
The main aim of this current work is to extract pectin from waste heads of Helianthus annus by ultrasound and optimize the process variables (ultrasound power (USP), pH, time of sonication (TS) and ratio of solid to liquid (RSL) on maximal recovery of pectin using central composite statistical experimental design. In addition to that, extracted pectin at optimal condition was characterized and compared with commercial pectin. The optimal extraction process condition was USP of 375w, pH of 3.2, TS of 32min and RSL of 1:15g/ml...
October 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28726745/dual-source-linear-energy-prediction-line-p-model-in-the-context-of-wsns
#5
Faisal Ahmed, Gert Tamberg, Yannick Le Moullec, Paul Annus
Energy harvesting technologies such as miniature power solar panels and micro wind turbines are increasingly used to help power wireless sensor network nodes. However, a major drawback of energy harvesting is its varying and intermittent characteristic, which can negatively affect the quality of service. This calls for careful design and operation of the nodes, possibly by means of, e.g., dynamic duty cycling and/or dynamic frequency and voltage scaling. In this context, various energy prediction models have been proposed in the literature; however, they are typically compute-intensive or only suitable for a single type of energy source...
July 20, 2017: Sensors
https://www.readbyqxmd.com/read/28707186/natural-oils-for-skin-barrier-repair-ancient-compounds-now-backed-by-modern-science
#6
REVIEW
Alexandra R Vaughn, Ashley K Clark, Raja K Sivamani, Vivian Y Shi
Natural plant oils are commonly used as topical therapy worldwide. They are usually easily accessible and are relatively inexpensive options for skin care. Many natural oils possess specific compounds with antimicrobial, antioxidant, anti-inflammatory, and anti-itch properties, making them attractive alternative and complementary treatments for xerotic and inflammatory dermatoses associated with skin-barrier disruption. Unique characteristics of various oils are important when considering their use for topical skin care...
July 13, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28672789/evaluating-modern-techniques-for-the-extraction-and-characterisation-of-sunflower-hellianthus-annus-l-seeds-phenolics
#7
Panagiotis Zoumpoulakis, Vassilia J Sinanoglou, Eleni Siapi, George Heropoulos, Charalampos Proestos
Recently there is a great interest in using high energy techniques (HET) which involve microwave or ultrasound-assisted extraction (MAE and UAE) for isolation of natural bioactive compounds from plant foods. Such bioactive compounds are phenolics which were determined from sunflower (Helianthus annuus L.) kernels and hulls (defatted) utilising two different high energy extraction techniques, ultrasound and microwave assisted solvent extraction. All samples were characterised by ultra-high-performance liquid chromatography-electrospray ionization-mass spectrometry (UHPLC-ESI-MS)...
June 24, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28653938/report-screening-of-the-anti-hyperglycemic-activity-of-some-medicinal-plants-of-jordan
#8
Ahmad S Alkofahi, Khalid K Abdul-Razzak, Karem H Alzoubi, Omar F Khabour
Diabetes represents a group of common diseases that are characterized by dysregulation of blood glucose levels. Plants are traditionally used for management of diseases including diabetes. In this study, we screened the anti-diabetic effect of extracts of 21 plants grown in Jordan. Extracts of plants were screened for their antihyperglycemic activity. Diabetes was induced in Sprague Dawley rats using Alloxan. Plant extracts were dosed at 1gm/kg. Blood glucose was measured at baseline and at every hour for 3 hours...
May 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28482213/brain-predicted-age-in-down-syndrome-is-associated-with-beta-amyloid-deposition-and-cognitive-decline
#9
James H Cole, Tiina Annus, Liam R Wilson, Ridhaa Remtulla, Young T Hong, Tim D Fryer, Julio Acosta-Cabronero, Arturo Cardenas-Blanco, Robert Smith, David K Menon, Shahid H Zaman, Peter J Nestor, Anthony J Holland
Individuals with Down syndrome (DS) are more likely to experience earlier onset of multiple facets of physiological aging. This includes brain atrophy, beta amyloid deposition, cognitive decline, and Alzheimer's disease-factors indicative of brain aging. Here, we employed a machine learning approach, using structural neuroimaging data to predict age (i.e., brain-predicted age) in people with DS (N = 46) and typically developing controls (N = 30). Chronological age was then subtracted from brain-predicted age to generate a brain-predicted age difference (brain-PAD) score...
August 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28192686/the-down-syndrome-brain-in-the-presence-and-absence-of-fibrillar-%C3%AE-amyloidosis
#10
Tiina Annus, Liam R Wilson, Julio Acosta-Cabronero, Arturo Cardenas-Blanco, Young T Hong, Tim D Fryer, Jonathan P Coles, David K Menon, Shahid H Zaman, Anthony J Holland, Peter J Nestor
People with Down syndrome (DS) have a neurodevelopmentally distinct brain and invariably developed amyloid neuropathology by age 50. This cross-sectional study aimed to provide a detailed account of DS brain morphology and the changes occuring with amyloid neuropathology. Forty-six adults with DS underwent structural and amyloid imaging-the latter using Pittsburgh compound B (PIB) to stratify the cohort into PIB-positive (n = 19) and PIB-negative (n = 27). Age-matched controls (n = 30) underwent structural imaging...
May 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28185758/levodopa-carbidopa-intestinal-gel-can-improve-both-motor-and-non-motor-experiences-of-daily-living-in-parkinson-s-disease-an-open-label-study
#11
Annamária Juhász, Zsuzsanna Aschermann, Péter Ács, József Janszky, Márton Kovács, Attila Makkos, Márk Harmat, Dalma Tényi, Kázmér Karádi, Sámuel Komoly, Annamária Takáts, Adrián Tóth, Helga Nagy, Péter Klivényi, György Dibó, Lívia Dézsi, Dénes Zádori, Ádám Annus, László Vécsei, Lajos Varannai, Norbert Kovács
BACKGROUND: Levodopa/carbidopa intestinal gel therapy (LCIG) can efficiently improve several motor and non-motor symptoms of advanced Parkinson's disease (PD). The recently developed Movement Disorder Society-sponsored Unified Parkinson's Disease Rating Scale (MDS-UPDRS) improved the original UPDRS making it a more robust tool to evaluate therapeutic changes. However, previous studies have not used the MDS-UPDRS and the Unified Dyskinesia Rating Scale (UDysRS) to assess the efficacy of LCIG...
April 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28123288/spotlight-on-opicapone-as-an-adjunct-to-levodopa-in-parkinson-s-disease-design-development-and-potential-place-in-therapy
#12
REVIEW
Ádám Annus, László Vécsei
Parkinson's disease (PD) is a progressive, chronic, neurodegenerative disease characterized by rigidity, tremor, bradykinesia and postural instability secondary to dopaminergic deficit in the nigrostriatal system. Currently, disease-modifying therapies are not available, and levodopa (LD) treatment remains the gold standard for controlling motor and nonmotor symptoms of the disease. LD is extensively and rapidly metabolized by peripheral enzymes, namely, aromatic amino acid decarboxylase and catechol-O-methyltransferase (COMT)...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28017129/kynurenine-system-and-multiple-sclerosis-pathomechanism-and-drug-targets-with-an-emphasis-on-laquinimod
#13
Zsófia Majláth, Ádám Annus, László Vécsei
Multiple sclerosis is a common chronic, disabling autoimmune neurological disease affecting mainly young adults. In its pathomechanism, neurodegenerative and acute inflammatory characteristics are both involved. Disease-modifying therapies aim to reduce relapse-rate and slow down the deterioration in neurological functions. The currently available therapies fail to exert neuroprotective effects and most of them are associated with potentially toxic side-effects, therefore, ongoing research aims to develop novel drug candidates to cover these therapeutic gaps...
December 23, 2016: Current Drug Targets
https://www.readbyqxmd.com/read/27485681/oilfield-water-treatment-by-electrocoagulation-reverse-osmosis-for-agricultural-use-effects-on-germination-and-early-growth-characteristics-of-sunflower
#14
Paulo S A de Souza, Alexandre A Cerqueira, Michelle M Rigo, Julieta L de Paiva, Rafael S P Couto, Fábio Merçon, Daniel V Perez, Monica R C Marques
This study aims to evaluate the effects of oilfield water (OW), treated by a hybrid process of electrocoagulation and reverse osmosis (EC-RO), on seed germination and early growth characteristics of sunflower (Heliantus annus L.). In the EC step, tests were conducted with 28.6 A m(-2) current density and 4 min. reaction time. In the RO step, the system was operated with 1 L min(-1) constant flow and 2 MPa, 2.5 MPa and 3 MPa feed pressures. In all feed pressures, RO polymeric membranes achieved very high removals of chemical oxygen demand (up to 89%) and oils and greases (100%) from EC-treated effluent...
May 2017: Environmental Technology
https://www.readbyqxmd.com/read/27422713/autoimmunity-in-2015
#15
REVIEW
Carlo Selmi
Compared to the clear trend observed in previous years, the number of peer-reviewed articles published during 2015 and retrieved using the "autoimmunity" key word declined by 4 %, while remaining 5 % of immunology articles. On the other hand, a more detailed analysis of the published articles in leading immunology and autoimmunity journals revealed exciting scenarios, with fascinating lines of evidence being supported by convincing data and likely followed by rapid translational or clinical developments. As examples, the study of the microbiome, the development of new serum or other tissue biomarkers, and a more solid understanding of disease pathogenesis and tolerance breakdown mechanisms have been central issues in the past year...
August 2016: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/27294894/liquid-crystal-formation-from-sunflower-oil-long-term-stability-studies
#16
Pedro Alves da Rocha-Filho, Mônica Maruno, Márcio Ferrari, José Fernando Topan
The Brazilian biodiversity offers a multiplicity of raw materials with great potential in cosmetics industry applications. Some vegetable oils and fatty esters increase skin hydration by occlusivity, keeping the skin hydrated and with a shiny appearance. Sunflower (Helianthus annus L.) oil is widely employed in cosmetic emulsions in the form of soaps, creams, moisturizers and skin cleansers due to the presence of polyphenols and its high vitamin E content. Liquid crystals are systems with many applications in both pharmaceutical and cosmetic formulations and are easily detected by microscopy under polarized light due to their birefringence properties...
June 9, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27233832/-hungarian-society-for-sleep-medicine-guideline-for-detecting-drivers-with-obstructive-sleep-apnea-syndrome
#17
REVIEW
Zoltán Szakács, Ágnes Ádám, János Kristóf Annus, Dalma Csatlós, Andrea László, László Kalabay, Péter Torzsa
Obstructive sleep apnea is the most frequent sleep-disordered breathing. The prevalence of sleep apnea in the general population is 2-4% and the main characteristics of the disease are the intermittent cessation or substantial reduction of airflow during sleep, which is caused by complete, or near complete upper airway obstruction. Decreased airflow is followed by oxygen desaturation and intermittent arousals. Untreated patients are 4-6 times more likely to cause traffic accidents than their healthy counterparts...
June 5, 2016: Orvosi Hetilap
https://www.readbyqxmd.com/read/26736870/cap-waveform-estimation-from-the-measured-electrical-bioimpedance-values-patient-s-heart-rate-variability-analysis
#18
A Krivoshei, H Uuetoa, M Min, P Annus, T Uuetoa, J Lamp
The paper presents analysis of the generic transfer function (TF) between Electrical Bioimpedance (EBI) measured non-invasively on the wrist and Central Aortic Pressure (CAP) invasively measured at the aortic root. Influence of the Heart Rate (HR) variations on the generic TF and on reconstructed CAP waveforms is investigated. The HR variation analysis is provided on a single patient data to exclude inter-patient influences at the current research stage. A new approach for the generic TF estimating from a data ensemble is presented as well...
August 2015: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/26362596/the-pattern-of-amyloid-accumulation-in-the-brains-of-adults-with-down-syndrome
#19
Tiina Annus, Liam R Wilson, Young T Hong, Julio Acosta-Cabronero, Tim D Fryer, Arturo Cardenas-Blanco, Robert Smith, Istvan Boros, Jonathan P Coles, Franklin I Aigbirhio, David K Menon, Shahid H Zaman, Peter J Nestor, Anthony J Holland
INTRODUCTION: Adults with Down syndrome (DS) invariably develop Alzheimer's disease (AD) neuropathology. Understanding amyloid deposition in DS can yield crucial information about disease pathogenesis. METHODS: Forty-nine adults with DS aged 25-65 underwent positron emission tomography with Pittsburgh compound-B (PIB). Regional PIB binding was assessed with respect to age, clinical, and cognitive status. RESULTS: Abnormal PIB binding became evident from 39 years, first in striatum followed by rostral prefrontal-cingulo-parietal regions, then caudal frontal, rostral temporal, primary sensorimotor and occipital, and finally parahippocampal cortex, thalamus, and amygdala...
May 2016: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/26335699/autoimmunity-in-2014
#20
REVIEW
Carlo Selmi
Our PubMed search for peer-reviewed articles published in the 2014 solar year retrieved a significantly higher number of hits compared to 2013 with a net 28 % increase. Importantly, full articles related to autoimmunity constitute approximately 5 % of immunology articles. We confirm that our understanding of autoimmunity is becoming a translational paradigm with pathogenetic elements rapidly followed by new treatment options. Furthermore, numerous clinical and pathogenetic elements and features are shared among autoimmune diseases, and this is well illustrated in the recent literature...
October 2015: Clinical Reviews in Allergy & Immunology
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