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https://www.readbyqxmd.com/read/29775307/selective-hydrogenations-and-dechlorinations-in-water-mediated-by-anionic-surfactant-stabilized-pd-nanoparticles
#1
Giorgio La Sorella, Laura Sperni, Patrizia Canton, Lisa Coletti, Fabrizio Fabris, Giorgio Strukul, Alessandro Scarso
We report a facile, inexpensive and green method for the preparation of Pd nanoparticles in aqueous medium stabilized by anionic sulfonated surfactants sodium 1-dodecanesulfonate 1a, sodium dodecylbenzenesulfonate 1b, dioctyl sulfosuccinate sodium salt 1c and poly(ethylene glycol) 4-nonylphenyl-3-sulfopropyl ether potassium salt 1d simply obtained by stirring aqueous solutions of Pd(OAc)2 with the commercial anionic surfactants further treated under hydrogen atmosphere for variable times. The aqueous Pd nanoparticles solutions were tested in the selective hydrogenation reactions of aryl-alcohols, -aldehydes and -ketones leading to complete conversion to the deoxygenated products even in the absence of strong Brønsted acids in the reduction of aromatic aldehydes and ketones, in the controlled semi-hydrogenation of alkynes leading to alkenes and in the efficient hydro-dechlorination of aromatic substrates...
May 18, 2018: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29772700/inhibition-of-arachidonate-12-15-lipoxygenase-improves-%C3%AE-galactosidase-efficacy-in-ipsc-derived-cardiomyocytes-from-fabry-patients
#2
Yueh Chien, Shih-Jie Chou, Yuh-Lih Chang, Hsin-Bang Leu, Yi-Ping Yang, Ping-Hsing Tsai, Ying-Hsiu Lai, Kuan-Hsuan Chen, Wei-Chao Chang, Shih-Hsien Sung, Wen-Chung Yu
(1) Background: A high incidence of intervening sequence (IVS)4+919 G>A mutation with later-onset cardiac phenotype have been reported in a majority of Taiwan Fabry cohorts. Some evidence indicated that conventional biomarkers failed to predict the long-term progression and therapeutic outcome; (2) Methods: In this study, we constructed an induced pluripotent stem cell (iPSC)-based platform from Fabry cardiomyopathy (FC) patients carrying IVS4+919 G>A mutation to screen for potential targets that may help the conventional treatment; (3) Results: The FC-patient-derived iPSC-differentiated cardiomyocytes (FC-iPSC-CMs) carried an expected IVS4+919 G>A genetic mutation and recapitulated several FC characteristics, including low α-galactosidase A enzyme activity and cellular hypertrophy...
May 16, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29772037/a-review-of-fabry-disease
#3
A Cinats, E Heck
The class of medications known as Janus kinase inhibitors block cytokine-mediated signaling via the Janus kinase-signal transducer and activator of transcription (JAK-STAT) pathway, which plays an important role in immunoregulation and normal cell growth. This class includes the drugs tofacitinib, approved for the treatment of rheumatoid arthritis, and ruxolitinib, approved for the treatment of myelofibrosis and polycythemia rubra vera. The most common adverse events (AEs) reported in patients taking tofacitinib are infections, whereas the most common AEs in patients taking ruxolitinib are anemia and thrombocytopenia...
May 2018: Skin Therapy Letter
https://www.readbyqxmd.com/read/29770213/variable-phenotypic-presentations-of-renal-involvement-in-fabry-disease-a-case-series
#4
Sarah McCloskey, Paul Brennan, John A Sayer
Fabry disease is an X-linked genetic deficiency in the alpha-galactosidase enzyme resulting in intracellular accumulation of glycosphingolipids and multisystem organ dysfunction. Typically 50% of males and 20% of affected females have renal involvement, ranging from proteinuria or reduced renal function, renal parapelvic cysts and progressive renal disease ultimately requiring transplantation or dialysis. The phenotypic presentation of Fabry disease is incredibly varied and will even vary between family members with the same confirmed genetic mutation...
2018: F1000Research
https://www.readbyqxmd.com/read/29769619/passive-temperature-control-based-on-a-phase-change-metasurface
#5
Sheng-Rui Wu, Kuan-Lin Lai, Chih-Ming Wang
In this paper, a tunable mid-infrared metasurface based on VO2 phase change material is proposed for temperature control. The proposed structure consisting of a VO2 /SiO2 /VO2 cavity supports a thermally switchable Fabry-Perot-like resonance mode at the transparency window of the atmosphere. Theoretically, the radiative cooling power density of the proposed metasurface can be switched to four-fold as the device temperature is below/above the phase change temperature of VO2 . Besides radiative cooling, a passive temperature control application based on this huge cooling power switching ability is theoretically demonstrated...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29762601/demonstration-of-a-highly-stable-10-ghz-optical-frequency-comb-with-low-timing-jitter-from-a-scowa-based-harmonically-mode-locked-nested-cavity-laser
#6
Kristina Bagnell, Anthony Klee, Peter J Delfyett, Jason J Plant, Paul W Juodawlkis
An optical frequency comb with mode spacing of 10 GHz operating in the c-band is produced from a harmonically mode-locked laser using a slab-coupled optical waveguide amplifier device with a fiber-coupled external cavity. An intracavity Fabry-Perot etalon serves as a high finesse optical filter for supermode suppression and as the reference for cavity length stabilization using a multi-combline Pound-Drever-Hall setup. The Allan deviation of a single optical combline near 193.4 THz is measured via a heterodyne beat with a cavity stabilized cw laser and reaches a minimum fractional frequency deviation of 3×10-13 at τ=30  ms...
May 15, 2018: Optics Letters
https://www.readbyqxmd.com/read/29762569/transition-of-fabry-perot-and-antiresonant-mechanisms-via-a-smf-capillary-smf-structure
#7
Xiaobei Zhang, Haiyang Pan, Huawen Bai, Ming Yan, Jiawei Wang, Chuanlu Deng, Tingyun Wang
In this Letter, we investigate the transition of the well-known Fabry-Perot (FP) and antiresonant (AR) mechanisms via a single-mode fiber (SMF)-capillary-SMF structure. The critical length for this transition is analytically found as a linear relation with the capillary inner diameter based on the ray optic method, which shows the agreement with both numerical simulations and experiments. Evolutions of the transmission and reflection spectra verify that FP and AR mechanisms are closely related to the critical length...
May 15, 2018: Optics Letters
https://www.readbyqxmd.com/read/29762562/lineshape-asymmetry-elimination-in-weak-atomic-transitions-driven-by-an-intense-standing-wave-field
#8
Dionysios Antypas, Anne Fabricant, Dmitry Budker
Owing to the ac-Stark effect, the lineshape of a weak optical transition in an atomic beam can become significantly distorted when driven by an intense standing wave field. We use an Yb atomic beam to study the lineshape of the 6s2 S10 →5d6sD31 transition, which is excited with light circulating in a Fabry-Perot resonator. We demonstrate two methods to avoid the distortion of the transition profile. Of these, one relies on the operation of the resonator in multiple longitudinal modes, and the other in multiple transverse modes...
May 15, 2018: Optics Letters
https://www.readbyqxmd.com/read/29762080/molecular-identification-of-hysterothylacium-spp-in-fishes-from-the-southern-mediterranean-sea-southern-italy
#9
Antonella Costa, Stefania Graci, Gaetano Cammilleri, Maria Drussilla Buscemi, Rosaria Collura, Antonio Vella, Vincenzo Ferrantelli
In this research a total of 3,017 fish samples belonging to 11 species from Sicily's Mediterranean coasts were examined for the presence of Hysterothylacium spp. larvae, which were then used in subsequent phylogenetic studies. Fifty-eight Raphidascaridid parasitic nematodes were found in the examined fish, with prevalence values ranging from 0.2% in anchovies to 60% in forkbeard samples. Twenty-seven parasites were identified as Hysterothylacium fabri and Hysterothylacium aduncum by sequencing the following regions: the nuclear ribosomal internal transcribed spacer (ITS) and the mitochondrial cytochrome c oxidase subunit II (cox2)...
May 15, 2018: Journal of Parasitology
https://www.readbyqxmd.com/read/29755794/time-of-anderson-fabry-disease-detection-and-cardiovascular-presentation
#10
K Selthofer-Relatic
Background: Anderson-Fabry disease is an X-linked inherited disease, which manifests in a different manner depending on gender and genotype. Making a working diagnosis of Anderson-Fabry disease is difficult because of several reasons: (a) that it is a multiorgan disease with wide variety of phenotypes, (b) different timelines of presentation, (c) gender differences, and (d) possible coexistence with other comorbidities. Late-onset/cardiac type of presentation with minimal involvement of other organs can additionally make diagnosis difficult...
2018: Case Reports in Cardiology
https://www.readbyqxmd.com/read/29754762/developmental-delay-in-communication-among-toddlers-and-its-relationship-to-caregiving-behavior-among-violence-exposed-posttraumatically-stressed-mothers
#11
R Torrisi, E Arnautovic, V C Pointet Perizzolo, M Vital, A Manini, F Suardi, M Gex-Fabry, S Rusconi Serpa, D S Schechter
OBJECTIVES: This study aimed to understand if maternal interpersonal violence-related posttraumatic stress disorder (IPV-PTSD) is associated with delayed language development among very young children ("toddlers"). METHODS: Data were collected from 61 mothers and toddlers (ages 12-42 months, mean age = 25.6 months SD = 8.70). Child expressive and receptive language development was assessed by the Ages and Stages Questionnaire (ASQ) communication subscale (ASQCS) that measures language acquisition...
May 10, 2018: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/29753731/animal-models-of-cholangiocarcinoma-what-they-teach-us-about-the-human-disease
#12
REVIEW
Massimiliano Cadamuro, Simone Brivio, Tommaso Stecca, Eleanna Kaffe, Valeria Mariotti, Chiara Milani, Romina Fiorotto, Carlo Spirli, Mario Strazzabosco, Luca Fabris
Despite recent advances, pathogenesis of cholangiocarcinoma, a highly lethal cancer, remains enigmatic. Furthermore, treatment options are still limited and often disappointing. For this reason, in the last few years there has been a mounting interest towards the generation of experimental models able to reproduce the main features associated with this aggressive behavior. Toxic and infestation-induced, genetically engineered and cell implantation rodent models have been generated, contributing to a deeper understanding of the complex cell biology of the tumor, sustained by multiple cell interactions and driven by a huge variety of molecular perturbations...
May 9, 2018: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/29753003/bifunctional-cross-linking-approaches-for-mass-spectrometry-based-investigation-of-nucleic-acids-and-protein-nucleic-acid-assemblies
#13
M Scalabrin, S M Dixit, M M Makshood, C E Krzemien, Daniele Fabris
With the goal of expanding the very limited toolkit of cross-linking agents available for nucleic acids and their protein complexes, we evaluated the merits of a wide range of bifunctional agents that may be capable of reacting with the functional groups characteristic of these types of biopolymers. The survey specifically focused on the ability of test reagents to produce desirable inter-molecular conjugates, which could reveal the identity of interacting components and the position of mutual contacts, while also considering a series of practical criteria for their utilization as viable nucleic acid probes...
May 9, 2018: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/29752903/mulberry-bodies-fabry-disease
#14
Hiroki Matsuura, Kenichiro Asano
No abstract text is available yet for this article.
May 9, 2018: American Journal of Medicine
https://www.readbyqxmd.com/read/29751560/direct-reflectance-measurements-from-drones-sensor-absolute-radiometric-calibration-and-system-tests-for-forest-reflectance-characterization
#15
Teemu Hakala, Lauri Markelin, Eija Honkavaara, Barry Scott, Theo Theocharous, Olli Nevalainen, Roope Näsi, Juha Suomalainen, Niko Viljanen, Claire Greenwell, Nigel Fox
Drone-based remote sensing has evolved rapidly in recent years. Miniaturized hyperspectral imaging sensors are becoming more common as they provide more abundant information of the object compared to traditional cameras. Reflectance is a physically defined object property and therefore often preferred output of the remote sensing data capture to be used in the further processes. Absolute calibration of the sensor provides a possibility for physical modelling of the imaging process and enables efficient procedures for reflectance correction...
May 3, 2018: Sensors
https://www.readbyqxmd.com/read/29750121/-in-vivo-confocal-microscopic-observations-of-vortex-keratopathy-in-patients-with-amiodarone-induced-keratopathy-and-fabry-disease
#16
Yasuhito Ikegawa, Atsushi Shiraishi, Yasuhito Hayashi, Akiyoshi Ogimoto, Yuichi Ohashi
Purpose: To compare the morphology of two types of vortex keratopathy: amiodarone-induced keratopathy and the Fabry disease-associated keratopathy. Patients and Methods: Eight patients who were receiving oral amiodarone therapy and 3 patients with Fabry disease, a mother and her 2 daughters, were examined by slit-lamp biomicroscopy and in vivo confocal microscopy (IVCM) regularly. Results: Amiodarone-induced keratopathy developed in 7 of the 8 patients, and it was detected as early as 7 days by IVCM and 14 days by slit-lamp biomicroscopy...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29747997/the-beneficial-effects-of-long-term-enzyme-replacement-therapy-on-cardiac-involvement-in-japanese-fabry-patients
#17
Kenichi Hongo, Keiichi Ito, Taro Date, Ikuko Anan, Yasunori Inoue, Satoshi Morimoto, Kazuo Ogawa, Makoto Kawai, Hiroshi Kobayashi, Masahisa Kobayashi, Hiroyuki Ida, Toya Ohashi, Ikuo Taniguchi, Michihiro Yoshimura, Yoshikatsu Eto
Fabry disease is a hereditary disorder that occurs due to the reduction or absence of alpha-galactosidase A activity, which leads to cardiac involvement including left ventricular hypertrophy (LVH). Enzyme replacement therapy (ERT) provides better patient outcomes by preventing serious complications. However, there have been very few studies on the long-term effects of ERT on the cardiac manifestations in Japanese Fabry patients. We retrospectively analyzed the data from the medical records of 42 Fabry patients (male, n = 17; female, n = 25) who were followed at Jikei University Hospital, and in whom the long-term effects of ERT could be evaluated (median follow-up period: male, 11 years; female, 8 years)...
April 26, 2018: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/29746781/robust-subwavelength-single-mode-perovskite-nanocuboid-laser
#18
Zhengzheng Liu, Jie Yang, Juan Du, Zhiping Hu, Tongchao Shi, Zeyu Zhang, Yanqi Liu, Xiaosheng Tang, Yuxin Leng, Ruxin Li
On-chip photonic information processing systems require great research efforts toward miniaturization of the optical components. However, when approaching the classical diffraction limit, conventional dielectric lasers with all dimensions in nanoscale are difficult to be realized due to the ultimate miniaturization limit of the cavity length and the extremely high requirement of optical gain to overcome the cavity loss. Herein, we have succeeded in reducing the laser size to subwavelength scale in three dimensions using an individual CsPbBr3 perovskite nanocuboid...
May 10, 2018: ACS Nano
https://www.readbyqxmd.com/read/29740066/approach-to-high-quality-gan-lateral-nanowires-and-planar-cavities-fabricated-by-focused-ion-beam-and-metal-organic-vapor-phase-epitaxy
#19
Galia Pozina, Azat R Gubaydullin, Maxim I Mitrofanov, Mikhail A Kaliteevski, Iaroslav V Levitskii, Gleb V Voznyuk, Evgeniy E Tatarinov, Vadim P Evtikhiev, Sergey N Rodin, Vasily N Kaliteevskiy, Leonid S Chechurin
We have developed a method to fabricate GaN planar nanowires and cavities by combination of Focused Ion Beam (FIB) patterning of the substrate followed by Metal Organic Vapor Phase Epitaxy (MOVPE). The method includes depositing a silicon nitride mask on a sapphire substrate, etching of the trenches in the mask by FIB with a diameter of 40 nm with subsequent MOVPE growth of GaN within trenches. It was observed that the growth rate of GaN is substantially increased due to enhanced bulk diffusion of the growth precursor therefore the model for analysis of the growth rate was developed...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29739751/dynamic-nuclear-envelope-phenotype-in-rats-overexpressing-mutated-human-torsina-protein
#20
Libo Yu-Taeger, Viktoria Gaiser, Larissa Lotzer, Tina Roenisch, Benedikt Timo Fabry, Janice Stricker-Shaver, Nicolas Casadei, Michael Walter, Martin Schaller, Olaf Riess, Huu Phuc Nguyen, Thomas Ott, Kathrin Grundmann-Hauser
A three-base-pair deletion in the human TOR1A gene is causative for the most common form of primary dystonia, the early-onset dystonia type 1 (DYT1 dystonia). The pathophysiological consequences of this mutation are still unknown.To study the pathology of the mutant torsinA (TOR1A) protein, we have generated a transgenic rat line that overexpresses the human mutant protein under the control of the human TOR1A promoter. This new animal model was phenotyped with several approaches, including behavioral tests and neuropathological analyses...
May 8, 2018: Biology Open
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