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https://www.readbyqxmd.com/read/27921439/-history-of-diagnosis-and-therapy-of-diabetic-retinopathy
#1
Tomáš Sosna
The article surveys the fascinating historical milestones of the diagnosis of diabetic retinopathy. In the context of the discovery then it represents some of the famous characters of ophthalmology and documents the evolution of diagnostics, conservative treatment, as well as laser and surgical therapy for this serious diseaseKey words: diabetic retinopathy - history - therapy.
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27919469/dangerous-intoxication-after-oral-ingestion-of-poppers-alkyl-nitrites-two-case-reports
#2
Stéphanie Pain, François Chavant, Bernard Fauconneau, Jérémy Guenezan, Nicolas Marjanovic, Jean-Yves Lardeur, Bertrand Brunet, Marie-Christine Perault-Pochat
"Poppers" (alkyl nitrites) were made famous in the 1960s as a party drug and are still used today. They are highly volatile, sweet-smelling liquids commonly administered by inhalation. However, sometimes, they can be consumed by oral ingestion resulting in greater toxicity. They are used for their vasodilator effects but these volatile nitrites can also cause methemoglobinemia. Methemoglobinemia is a rare pathology that results from the oxidation of iron in the hemoglobin molecule. Oxidation of iron switches it from the ferrous to the ferric state and impedes the ability of hemoglobin to carry oxygen...
December 2, 2016: Thérapie
https://www.readbyqxmd.com/read/27916672/famous-faces-and-voices-differential-profiles-in-early-right-and-left-semantic-dementia-and-in-alzheimer-s-disease
#3
Simona Luzzi, Sara Baldinelli, Valentina Ranaldi, Katia Fabi, Viviana Cafazzo, Fabio Fringuelli, Mauro Silvestrini, Leandro Provinciali, Carlo Reverberi, Guido Gainotti
BACKGROUND: Famous face and voice recognition is reported to be impaired both in semantic dementia (SD) and in Alzheimer's Disease (AD), although more severely in the former. In AD a coexistence of perceptual impairment in face and voice processing has also been reported and this could contribute to the altered performance in complex semantic tasks. On the other hand, in SD both face and voice recognition disorders could be related to the prevalence of atrophy in the right temporal lobe (RTL)...
December 1, 2016: Neuropsychologia
https://www.readbyqxmd.com/read/27913361/constrained-null-space-component-analysis-for-semiblind-source-separation-problem
#4
Wen-Liang Hwang, Keng-Shih Lu, Jinn Ho
The blind source separation (BSS) problem extracts unknown sources from observations of their unknown mixtures. A current trend in BSS is the semiblind approach, which incorporates prior information on sources or how the sources are mixed. The constrained independent component analysis (ICA) approach has been studied to impose constraints on the famous ICA framework. We introduced an alternative approach based on the null space component (NCA) framework and referred to the approach as the c-NCA approach. We also presented the c-NCA algorithm that uses signal-dependent semidefinite operators, which is a bilinear mapping, as signatures for operator design in the c-NCA approach...
November 29, 2016: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/27910789/methoxyflavones-from-new-lingzhi-medicinal-mushroom-ganoderma-lingzhi-agaricomycetes
#5
Kuniyoshi Shimizu, Yhiya M Amen, Satoru Kaifuchi
Ganoderma lingzhi is one of the most famous medicinal fungi in the world. It has been used in folk medicine, especially in East Asian countries. It is also a white-rot fungus with strong wood degradation ability, especially against lignin. Different classes of bioactive natural products have been reported in Ganoderma, including triterpenes, polysaccharides, sterols, and peptides. The triterpenes and polysaccharides are the primary bioactive compounds of Ganoderma. We report for the first time the presence of 3 methoxyflavones as minor constituents in G...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27909953/the-pe%C3%A3-alosa-principle-of-transportation-democracy-lessons-from-bogot%C3%A3-on-the-morality-of-urban-mobility
#6
Shane Epting
The mayor of Bogotá, Enrique Peñalosa strives to deliver transit services that promote social equity through bicycle lanes, improved sidewalks, and a world-famous Bus Rapid Transit (BRT) system, "TransMilenio." Through examining the principles that guide his planning, we can flesh out a starting point for socially just transit systems. While such measures can alleviate several harms that transit systems cause, they rest on an incomplete foundation due to their top-down nature. To amend this situation, the author argues for a restorative justice approach to transportation democracy, using examples from Peñalosa's mayoral tenure...
December 1, 2016: Science and Engineering Ethics
https://www.readbyqxmd.com/read/27906999/identification-geochemical-characterisation-and-significance-of-bitumen-among-the-grave-goods-of-the-7th-century-mound-1-ship-burial-at-sutton-hoo-suffolk-uk
#7
Pauline Burger, Rebecca J Stacey, Stephen A Bowden, Marei Hacke, John Parnell
The 7th century ship-burial at Sutton Hoo is famous for the spectacular treasure discovered when it was first excavated in 1939. The finds include gold and garnet jewellery, silverware, coins and ceremonial armour of broad geographical provenance which make a vital contribution to understanding the political landscape of early medieval Northern Europe. Fragments of black organic material found scattered within the burial were originally identified as 'Stockholm Tar' and linked to waterproofing and maintenance of the ship...
2016: PloS One
https://www.readbyqxmd.com/read/27904536/a-review-on-human-respiratory-modeling
#8
REVIEW
Pardis Ghafarian, Hamidreza Jamaati, Seyed Mohammadreza Hashemian
Input impedance of the respiratory system is measured by forced oscillation technique (FOT). Multiple prior studies have attempted to match the electromechanical models of the respiratory system to impedance data. Since the mechanical behavior of airways and the respiratory system as a whole are similar to an electrical circuit in a combination of series and parallel formats some theories were introduced according to this issue. It should be noted that, the number of elements used in these models might be less than those required due to the complexity of the pulmonary-chest wall anatomy...
2016: Tanaffos
https://www.readbyqxmd.com/read/27904276/late-onset-complication-of-fillers-paraffinoma-of-the-lower-eyelids-clinically-mimicking-xanthelasma
#9
Min-Woo Kim, Hyun-Sun Park, Hyun-Sun Yoon, Soyun Cho
Injectable poly-L-lactic acid (PLLA) is world-famous filler used in lipoatrophy and facial rejuvenation because of its collagen neogenesis effect which leads to gradual volume restoration. Until recently, quite a number of unwanted adverse events of PLLA have been reported. However, to the best of our knowledge, paraffinoma as a complication of PLLA has never been reported. We herein describe the first case of paraffinoma after Sculptra® injection and propose its possible mechanism.
December 2016: Annals of Dermatology
https://www.readbyqxmd.com/read/27902731/queen-nefertari-the-royal-spouse-of-pharaoh-ramses-ii-a-multidisciplinary-investigation-of-the-mummified-remains-found-in-her-tomb-qv66
#10
Michael E Habicht, Raffaella Bianucci, Stephen A Buckley, Joann Fletcher, Abigail S Bouwman, Lena M Öhrström, Roger Seiler, Francesco M Galassi, Irka Hajdas, Eleni Vassilika, Thomas Böni, Maciej Henneberg, Frank J Rühli
Queen Nefertari, the favourite Royal Consort of Pharaoh Ramses II (Ancient Egypt, New Kingdom, 19th Dynasty c. 1250 BC) is famous for her beautifully decorated tomb in the Valley of the Queens. Her burial was plundered in ancient times yet still many objects were found broken in the debris when the tomb was excavated. Amongst the found objects was a pair of mummified legs. They came to the Egyptian Museum in Turin and are henceforth regarded as the remains of this famous Queen, although they were never scientifically investigated...
2016: PloS One
https://www.readbyqxmd.com/read/27901121/experimental-temporal-quantum-steering
#11
Karol Bartkiewicz, Antonín Černoch, Karel Lemr, Adam Miranowicz, Franco Nori
Temporal steering is a form of temporal correlation between the initial and final state of a quantum system. It is a temporal analogue of the famous Einstein-Podolsky-Rosen (spatial) steering. We demonstrate, by measuring the photon polarization, that temporal steering allows two parties to verify if they have been interacting with the same particle, even if they have no information about what happened with the particle in between the measurements. This is the first experimental study of temporal steering. We also performed experimental tests, based on the violation of temporal steering inequalities, of the security of two quantum key distribution protocols against individual attacks...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27900674/serotonergic-hallucinogen-induced-visual-perceptual-alterations
#12
Michael Kometer, Franz X Vollenweider
Serotonergic hallucinogens, such as lysergic acid diethylamide (LSD), psilocybin, and N,N-dimethyltryptamine (DMT), are famous for their capacity to temporally and profoundly alter an individual's visual experiences. These visual alterations show consistent attributes despite large inter- and intra-individual variances. Many reports document a common perception of colors as more saturated, with increased brightness and contrast in the environment ("Visual Intensifications"). Environmental objects might be altered in size ("Visual illusions") or take on a modified and special meaning for the subject ("Altered self-reference")...
November 30, 2016: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/27899732/intrinsic-and-extrinsic-science-a-dialectic-of-scientific-fame
#13
Gregory J Feist
In this article, I argue that scientific fame and impact exists on a continuum from the mundane to the transformative/revolutionary. Ideally, one achieves fame and impact in science by synthesizing two extreme career prototypes: intrinsic and extrinsic research. The former is guided by interest, curiosity, passion, gut, and intuition for important untapped topics. The latter is guided by money, grants, and/or what is being published in top-tier journals. Assessment of fame and impact in science ultimately rests on productivity (publication) and some variation of its impact (citations)...
November 2016: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/27899730/varieties-of-fame-in-psychology
#14
Henry L Roediger
Fame in psychology, as in all arenas, is a local phenomenon. Psychologists (and probably academics in all fields) often first become well known for studying a subfield of an area (say, the study of attention in cognitive psychology, or even certain tasks used to study attention). Later, the researcher may become famous within cognitive psychology. In a few cases, researchers break out of a discipline to become famous across psychology and (more rarely still) even outside the confines of academe. The progression is slow and uneven...
November 2016: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/27899729/-am-i-famous-yet-judging-scholarly-merit-in-psychological-science-an-introduction
#15
Robert J Sternberg
The purpose of this symposium is to consider new ways of judging merit in academia, especially with respect to research in psychological science. First, I discuss the importance of merit-based evaluation and the purpose of this symposium. Next, I review some previous ideas about judging merit-especially creative merit-and I describe some of the main criteria used by institutions today for judging the quality of research in psychological science. Finally, I suggest a new criterion that institutions and individuals might use and draw some conclusions...
November 2016: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/27897999/charge-transfer-enhancement-in-the-d-%C3%AF-a-type-porphyrin-dyes-a-density-functional-theory-dft-and-time-dependent-density-functional-theory-td-dft-study
#16
Guo-Jun Kang, Chao Song, Xue-Feng Ren
The electronic geometries and optical properties of two D-π-A type zinc porphyrin dyes (NCH₃-YD2 and TPhe-YD) were systematically investigated by density functional theory (DFT) and time-dependent density functional theory (TD-DFT) to reveal the origin of significantly altered charge transfer enhancement by changing the electron donor of the famous porphyrin-based sensitizer YD2-o-C8. The molecular geometries and photophysical properties of dyes before and after binding to the TiO₂ cluster were fully investigated...
November 25, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27894587/pre-expanded-paraumbilical-perforator-flap
#17
REVIEW
Yuanbo Liu, Mengqing Zang, Shan Zhu, Bo Chen, Qiang Ding
The paraumbilical perforator flap is the first and the most famous perforator flap. Pre-expansion increases the flap dimension and reduces the flap thickness and donor site morbidities, making the paraumbilical perforator flap a more effective option for upper extremity reconstruction. Pre-expanded pedicled paraumbilical perforator flaps can achieve excellent function and aesthetic outcomes in patients with extensive scar contracture and giant melanocytic nevi in the upper extremity. Although this technique requires multiple procures, each operation is relatively simple and has a low complication rate, when properly planned and performed...
January 2017: Clinics in Plastic Surgery
https://www.readbyqxmd.com/read/27892501/a-social-contagious-model-of-the-obesity-epidemic
#18
He Huang, Zhijun Yan, Yahong Chen, Fangyan Liu
Obesity has been recognized as a global epidemic by WHO, followed by many empirical evidences to prove its infectiousness. However, the inter-person spreading dynamics of obesity are seldom studied. A distinguishing feature of the obesity epidemic is that it is driven by a social contagion process which cannot be perfectly described by the infectious disease models. In this paper, we propose a novel belief decision model based on the famous Dempster-Shafer theory of evidence to model obesity epidemic as the competing spread of two obesity-related behaviors: physical inactivity and physical activity...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27891202/new-delay-interval-dependent-stability-criteria-for-switched-hopfield-neural-networks-of-neutral-type-with-successive-time-varying-delay-components
#19
R Manivannan, R Samidurai, Jinde Cao, Ahmed Alsaedi
This paper deals with the problem of delay-interval-dependent stability criteria for switched Hopfield neural networks of neutral type with successive time-varying delay components. A novel Lyapunov-Krasovskii (L-K) functionals with triple integral terms which involves more information on the state vectors of the neural networks and upper bound of the successive time-varying delays is constructed. By using the famous Jensen's inequality, Wirtinger double integral inequality, introducing of some zero equations and using the reciprocal convex combination technique and Finsler's lemma, a novel delay-interval dependent stability criterion is derived in terms of linear matrix inequalities, which can be efficiently solved via standard numerical software...
December 2016: Cognitive Neurodynamics
https://www.readbyqxmd.com/read/27890323/ventromedial-prefrontal-cortex-generates-pre-stimulus-theta-coherence-desynchronization-a-schema-instantiation-hypothesis
#20
Asaf Gilboa, Morris Moscovitch
The ventral medial prefrontal cortex (vmPFC) has long been implicated in monitoring of memory veracity, and more recently also in memory schema functions. In our model of strategic retrieval the two are related. We have proposed that the vmPFC has two schema-dependent functions: (i) to establish context-relevant templates against which the output of memory systems can be compared; (ii) to mediate automatic decision monitoring processes to ensure that only those responses that meet the criterion are enacted...
October 31, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
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