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https://www.readbyqxmd.com/read/27889157/monitoring-of-wheat-lactic-acid-bacteria-from-the-field-until-the-first-step-of-dough-fermentation
#1
Antonio Alfonzo, Claudia Miceli, Anna Nasca, Elena Franciosi, Giusi Ventimiglia, Rosalia Di Gerlando, Kieran Tuohy, Nicola Francesca, Giancarlo Moschetti, Luca Settanni
The present work was carried out to retrieve the origin of lactic acid bacteria (LAB) in sourdough. To this purpose, wheat LAB were monitored from ear harvest until the first step of fermentation for sourdough development. The influence of the geographical area and variety on LAB species/strain composition was also determined. The ears of four Triticum durum varieties (Duilio, Iride, Saragolla and Simeto) were collected from several fields located within the Palermo province (Sicily, Italy) and microbiologically investigated...
April 2017: Food Microbiology
https://www.readbyqxmd.com/read/27863645/identification-of-a-de-novo-mutation-of-sox10-in-a-chinese-patient-with-waardenburg-syndrome-type-iv
#2
Fenghe Liang, Min Zhao, Lynn Fan, Hongyan Zhang, Yang Shi, Rui Han, Chunyan Qu
OBJECTIVES: Waardenburg syndrome is a rare genetic disorder, characterized by the association of sensorineural hearing loss and pigmentation abnormalities. Four subtypes have been classified. The present study aimed to analyze the clinical feature and investigate the genetic cause for a Chinese case of Waardenburg type IV (WS4). METHODS: The patient and his family members were subjected to mutation detection in the candidate gene SOX10 by Sanger sequencing. RESULTS: The patient has the clinical features of WS4, including sensorineural hearing loss, bright blue irides, premature graying of the hair and Hirschsprung disease...
December 2016: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/27856029/optical-coherence-tomography-angiography-characteristics-of-iris-melanocytic-tumors
#3
Alison H Skalet, Yan Li, Chen D Lu, Yali Jia, ByungKun Lee, Lennart Husvogt, Andreas Maier, James G Fujimoto, Charles R Thomas, David Huang
PURPOSE: To evaluate tumor vasculature with optical coherence tomography angiography (OCTA) in malignant iris melanomas and benign iris lesions. DESIGN: Cross-sectional observational clinical study. PARTICIPANTS: Patients with iris lesions and healthy volunteers. METHODS: Eyes were imaged using OCTA systems operating at 1050- and 840-nm wavelengths. Three-dimensional OCTA scans were acquired. Iris melanoma patients treated with radiation therapy were imaged again after I-125 plaque brachytherapy at 6 and 18 months...
November 14, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27843084/-the-effects-of-cycloplegic-eyedrops-on-corneal-tomography
#4
T Kalezic, I Vukovic, M Andjelkovic, M Gajic, J Potic, M Stojkovic
PURPOSE: Whether cycloplegics affect standard keratorefractometric and tomographic measurements is unknown. The purpose of our study was to compare the effects of cycloplegics (cyclopentolate and atropine) on corneal shape and refractive power of the eye. METHODS: This study was performed on 84 eyes of 49 study participants. Patients were randomized into two groups: atropine 1% (32 eyes) and cyclopentolate 1% (52 eyes). Corneal tomography was performed with the Orbscan IIz...
November 11, 2016: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/27824456/slater-insulator-in-iridate-perovskites-with-strong-spin-orbit-coupling
#5
Q Cui, J-G Cheng, W Fan, A E Taylor, S Calder, M A McGuire, J-Q Yan, D Meyers, X Li, Y Q Cai, Y Y Jiao, Y Choi, D Haskel, H Gotou, Y Uwatoko, J Chakhalian, A D Christianson, S Yunoki, J B Goodenough, J-S Zhou
The perovskite SrIrO_{3} is an exotic narrow-band metal owing to a confluence of the strengths of the spin-orbit coupling (SOC) and the electron-electron correlations. It has been proposed that topological and magnetic insulating phases can be achieved by tuning the SOC, Hubbard interactions, and/or lattice symmetry. Here, we report that the substitution of nonmagnetic, isovalent Sn^{4+} for Ir^{4+} in the SrIr_{1-x}Sn_{x}O_{3} perovskites synthesized under high pressure leads to a metal-insulator transition to an antiferromagnetic (AF) phase at T_{N}≥225  K...
October 21, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27750267/a-del-13-q21-32q31-2-dn-refined-to-21-9%C3%A2-mb-in-a-female-toddler-with-irides-heterochromia-and-hypopigmentation-appraisal-of-interstitial-mid-13q-deletions
#6
Carlos Córdova-Fletes, Horacio Rivera, Eduardo A Garza-Villarreal, Norma A Vázquéz-Cárdenas, Lizeth A Martínez-Jacobo, Talia Moreno-Andrade
No abstract text is available yet for this article.
October 12, 2016: Clinical Dysmorphology
https://www.readbyqxmd.com/read/27636488/persistent-paramagnons-deep-in-the-metallic-phase-of-sr_-2-x-la_-x-iro_-4
#7
H Gretarsson, N H Sung, J Porras, J Bertinshaw, C Dietl, Jan A N Bruin, A F Bangura, Y K Kim, R Dinnebier, Jungho Kim, A Al-Zein, M Moretti Sala, M Krisch, M Le Tacon, B Keimer, B J Kim
We have studied the magnetic excitations of electron-doped Sr_{2-x}La_{x}IrO_{4} (0≤x≤0.10) using resonant inelastic x-ray scattering at the Ir L_{3} edge. The long-range magnetic order is rapidly lost with increasing x, but two-dimensional short-range order (SRO) and dispersive magnon excitations with nearly undiminished spectral weight persist well into the metallic part of the phase diagram. The magnons in the SRO phase are heavily damped and exhibit anisotropic softening. Their dispersions are well described by a pseudospin-1/2 Heisenberg model with exchange interactions whose spatial range increases with doping...
September 2, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27604145/tietz-waardenburg-type-2a-syndrome-associated-with-posterior-microphthalmos-in-two-unrelated-patients-with-novel-mitf-gene-mutations
#8
Vianney Cortés-González, Juan Carlos Zenteno, Martín Guzmán-Sánchez, Verónica Giordano-Herrera, Dalia Guadarrama-Vallejo, Narlly Ruíz-Quintero, Cristina Villanueva-Mendoza
Tietz syndrome and Waardenburg syndrome type 2A are allelic conditions caused by MITF mutations. Tietz syndrome is inherited in an autosomal dominant pattern and is characterized by congenital deafness and generalized skin, hair, and eye hypopigmentation, while Waardenburg syndrome type 2A typically includes variable degrees of sensorineural hearing loss and patches of de-pigmented skin, hair, and irides. In this paper, we report two unrelated families with MITF mutations. The first family showed an autosomal dominant pattern and variable expressivity...
September 8, 2016: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/27596572/emerging-magnetism-and-anomalous-hall-effect-in-iridate-manganite-heterostructures
#9
John Nichols, Xiang Gao, Shinbuhm Lee, Tricia L Meyer, John W Freeland, Valeria Lauter, Di Yi, Jian Liu, Daniel Haskel, Jonathan R Petrie, Er-Jia Guo, Andreas Herklotz, Dongkyu Lee, Thomas Z Ward, Gyula Eres, Michael R Fitzsimmons, Ho Nyung Lee
Strong Coulomb repulsion and spin-orbit coupling are known to give rise to exotic physical phenomena in transition metal oxides. Initial attempts to investigate systems, where both of these fundamental interactions are comparably strong, such as 3d and 5d complex oxide superlattices, have revealed properties that only slightly differ from the bulk ones of the constituent materials. Here we observe that the interfacial coupling between the 3d antiferromagnetic insulator SrMnO3 and the 5d paramagnetic metal SrIrO3 is enormously strong, yielding an anomalous Hall response as the result of charge transfer driven interfacial ferromagnetism...
2016: Nature Communications
https://www.readbyqxmd.com/read/27583103/prevention-of-food-and-airway-allergy-consensus-of-the-italian-society-of-preventive-and-social-paediatrics-the-italian-society-of-paediatric-allergy-and-immunology-and-italian-society-of-pediatrics
#10
REVIEW
Giuseppe di Mauro, Roberto Bernardini, Salvatore Barberi, Annalisa Capuano, Antonio Correra, Gian Luigi De' Angelis, Iride Dello Iacono, Maurizio de Martino, Daniele Ghiglioni, Dora Di Mauro, Marcello Giovannini, Massimo Landi, Gian Luigi Marseglia, Alberto Martelli, Vito Leonardo Miniello, Diego Peroni, Lucilla Ricottini Maria Giuseppa Sullo, Luigi Terracciano, Cristina Vascone, Elvira Verduci, Maria Carmen Verga, Elena Chiappini
BACKGROUND: Allergic sensitization in children and allergic diseases arising therefrom are increasing for decades. Several interventions, functional foods, pro- and prebiotics, vitamins are proposed for the prevention of allergies and they can't be uncritically adopted. OBJECTIVE: This Consensus document was developed by the Italian Society of Preventive and Social Paediatrics and the Italian Society of Paediatric Allergy and Immunology. The aim is to provide updated recommendations regarding allergy prevention in children...
2016: World Allergy Organization Journal
https://www.readbyqxmd.com/read/27578491/erratum-iridates-from-the-molecular-side
#11
Kasper S Pedersen, Jesper Bendix, Alain Tressaud, Etienne Durand, Høgni Weihe, Zaher Salman, Thorbjørn J Morsing, Daniel N Woodruff, Yanhua Lan, Wolfgang Wernsdorfer, Corine Mathonière, Stergios Piligkos, Sophia I Klokishner, Serghei Ostrovsky, Katharina Ollefs, Fabrice Wilhelm, Andrei Rogalev, Rodolphe Clérac
No abstract text is available yet for this article.
2016: Nature Communications
https://www.readbyqxmd.com/read/27540689/recent-progress-on-correlated-electron-systems-with-strong-spin-orbit-coupling
#12
Robert Schaffer, Eric Kin-Ho Lee, Bohm-Jung Yang, Yong Baek Kim
The emergence of novel quantum ground states in correlated electron systems with strong spin-orbit coupling has been a recent subject of intensive studies. While it has been realized that spin-orbit coupling can provide non-trivial band topology in weakly interacting electron systems, as in topological insulators and semi-metals, the role of electron-electron interaction in strongly spin-orbit coupled systems has not been fully understood. The availability of new materials with significant electron correlation and strong spin-orbit coupling now makes such investigations possible...
September 2016: Reports on Progress in Physics
https://www.readbyqxmd.com/read/27529988/from-single-nucleotide-substitutions-up-to-chromosomal-deletions-genetic-pause-of-leucism-associated-disorders-in-animals
#13
REVIEW
Katharina Fleck, Georg Erhardt, Gesine Lühken
Leucism is characterized by a complete or partial white skin and hair in combination with pigmented irides, which can be vivid blue or heterochromatic. This is due to a complete or partial lack of melanocytes. The underlying pathogenesis is a disturbed emigration or differentiation of neural crest-derived cells. Therefore, leucistic phenotypes can be associated with defects, which mainly impair sensory organs and nerves. In humans, a well-known example is the Waardenburg syndrome. Leucism-associated disorders were also described in mouse, rat, hamster, rabbit, mink, cat, dog, pig, sheep, llama, alpaca, cattle and horse...
July 2016: Berliner und Münchener Tierärztliche Wochenschrift
https://www.readbyqxmd.com/read/27521171/iris-crypts-influence-dynamic-changes-of-iris-volume
#14
Jacqueline Chua, Sri Gowtham Thakku, Tin A Tun, Monisha E Nongpiur, Marcus Chiang Lee Tan, Michael J A Girard, Tien Yin Wong, Joanne Hui Min Quah, Tin Aung, Ching-Yu Cheng
PURPOSE: To determine the association of iris surface features with iris volume change after physiologic pupil dilation in adults. DESIGN: Cross-sectional observational study. PARTICIPANTS: Chinese adults aged ≥ 50 years without ocular diseases. METHODS: Digital iris photographs were taken from eyes of each participant and graded for crypts (by number and size) and furrows (by number and circumferential extent) following a standardized grading scheme...
October 2016: Ophthalmology
https://www.readbyqxmd.com/read/27517783/slater-to-mott-crossover-in-the-metal-to-insulator-transition-of-nd_-2-ir_-2-o_-7
#15
M Nakayama, Takeshi Kondo, Z Tian, J J Ishikawa, M Halim, C Bareille, W Malaeb, K Kuroda, T Tomita, S Ideta, K Tanaka, M Matsunami, S Kimura, N Inami, K Ono, H Kumigashira, L Balents, S Nakatsuji, S Shin
We present an angle-resolved photoemission study of the electronic structure of the three-dimensional pyrochlore iridate Nd_{2}Ir_{2}O_{7} through its magnetic metal-insulator transition. Our data reveal that metallic Nd_{2}Ir_{2}O_{7} has a quadratic band, touching the Fermi level at the Γ point, similar to that of Pr_{2}Ir_{2}O_{7}. The Fermi node state is, therefore, a common feature of the metallic phase of the pyrochlore iridates. Upon cooling below the transition temperature, this compound exhibits a gap opening with an energy shift of quasiparticle peaks like a band gap insulator...
July 29, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27472131/all-in-all-out-magnetic-order-and-propagating-spin-waves-in-sm_-2-ir_-2-o_-7
#16
C Donnerer, M C Rahn, M Moretti Sala, J G Vale, D Pincini, J Strempfer, M Krisch, D Prabhakaran, A T Boothroyd, D F McMorrow
Using resonant magnetic x-ray scattering we address the unresolved nature of the magnetic ground state and the low-energy effective Hamiltonian of Sm_{2}Ir_{2}O_{7}, a prototypical pyrochlore iridate with a finite temperature metal-insulator transition. Through a combination of elastic and inelastic measurements, we show that the magnetic ground state is an all-in-all-out (AIAO) antiferromagnet. The magnon dispersion indicates significant electronic correlations and can be well described by a minimal Hamiltonian that includes Heisenberg exchange [J=27...
July 15, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27457516/direct-observation-of-the-dirac-nodes-lifting-in-semimetallic-perovskite-sriro3-thin-films
#17
Z T Liu, M Y Li, Q F Li, J S Liu, W Li, H F Yang, Q Yao, C C Fan, X G Wan, Z Wang, D W Shen
Perovskite SrIrO3 has long been proposed as an exotic semimetal induced by the interplay between the spin-orbit coupling and electron correlations. However, its low-lying electronic structure is still lacking. We synthesize high-quality perovskite SrIrO3 (100) films by means of oxide molecular beam epitaxy, and then systemically investigate their low energy electronic structure using in-situ angle-resolved photoemission spectroscopy. We find that the hole-like bands around R and the electron-like bands around U(T) intersect the Fermi level simultaneously, providing the direct evidence of the semimetallic ground state in this compound...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27457278/raman-spectroscopic-signature-of-fractionalized-excitations-in-the-harmonic-honeycomb-iridates-%C3%AE-and-%C3%AE-li2iro3
#18
A Glamazda, P Lemmens, S-H Do, Y S Choi, K-Y Choi
The fractionalization of elementary excitations in quantum spin systems is a central theme in current condensed matter physics. The Kitaev honeycomb spin model provides a prominent example of exotic fractionalized quasiparticles, composed of itinerant Majorana fermions and gapped gauge fluxes. However, identification of the Majorana fermions in a three-dimensional honeycomb lattice remains elusive. Here we report spectroscopic signatures of fractional excitations in the harmonic-honeycomb iridates β- and γ-Li2IrO3...
2016: Nature Communications
https://www.readbyqxmd.com/read/27435800/iridates-from-the-molecular-side
#19
Kasper S Pedersen, Jesper Bendix, Alain Tressaud, Etienne Durand, Høgni Weihe, Zaher Salman, Thorbjørn J Morsing, Daniel N Woodruff, Yanhua Lan, Wolfgang Wernsdorfer, Corine Mathonière, Stergios Piligkos, Sophia I Klokishner, Serghei Ostrovsky, Katharina Ollefs, Fabrice Wilhelm, Andrei Rogalev, Rodolphe Clérac
New exotic phenomena have recently been discovered in oxides of paramagnetic Ir(4+) ions, widely known as 'iridates'. Their remarkable properties originate from concerted effects of the crystal field, magnetic interactions and strong spin-orbit coupling, characteristic of 5d metal ions. Despite numerous experimental reports, the electronic structure of these materials is still challenging to elucidate, and not attainable in the isolated, but chemically inaccessible, [IrO6](8-) species (the simplest molecular analogue of the elementary {IrO6}(8-) fragment present in all iridates)...
2016: Nature Communications
https://www.readbyqxmd.com/read/27429392/gunn-s-dots-in-retinal-images-of-2-286-adolescents-prevalence-retinal-distribution-and-associations
#20
L C Boberg-Ans, I C Munch, M Larsen, B Gopinath, J J Wang, P Mitchell
PURPOSE: To investigate the epidemiology of Gunn's dots and their associations in a population-based cohort of children. METHODS: Red-free fundus photographs from 2,286 children aged 11 years to 14 years from the Sydney Myopia Study were graded. Gunn's dots were manually marked and counted within a 6 mm grid centered on the optic disc. RESULTS: One or more Gunn's dots were seen in at least one eye in 82.6% of children. The median number of Gunn's dots per eye was 46 (range 0-482)...
July 14, 2016: Retina
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