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https://www.readbyqxmd.com/read/30102127/treated-residue-from-aluminium-lamination-as-adsorbent-of-toxic-reactive-dyes-a-kinetic-equilibrium-and-thermodynamic-study
#1
Tiago José Marques Fraga, Marilda Nascimento Carvalho, Daysianne Mikaella Dos Santos Marques Fraga, Maria do Carmo Lourenço da Silva, Joelma Morais Ferreira, Maurício Alves da Motta Sobrinho
The residue generated in the aluminium cold lamination (TTR) was submitted to a direct burning and then it was calcined at 500°C. BET, FTIR, SEM with EDX and TGA techniques were performed to characterize the adsorbent before and after the adsorption. BET analysis showed that TTR specific surface area was 55.37 m2 ·g-1 and there were no significant changes after the adsorptive process. Afterwards the TTR was applied as adsorbent of the reactive Drimaren Blue (DB), Drimaren Red (DR) and Drimaren Gold (DG). Its employment consists in a sustainable alternative for the treatment of textile wastewater, once the TTR was used as low cost adsorbent of textile dyes...
August 13, 2018: Environmental Technology
https://www.readbyqxmd.com/read/30097555/scml2-promotes-heterochromatin-organization-in-late-spermatogenesis
#2
So Maezawa, Kazuteru Hasegawa, Kris G Alavattam, Mayuka Funakoshi, Taiga Sato, Artem Barski, Satoshi H Namekawa
Spermatogenesis involves the progressive reorganization of heterochromatin. However, the mechanisms that underlie the dynamic remodeling of heterochromatin remain unknown. Here, we identify SCML2, a germline-specific Polycomb protein, as a critical regulator of heterochromatin organization in spermatogenesis. We show that SCML2 accumulates on pericentromeric heterochromatin (PCH) in male germ cells, where it suppresses PRC1-mediated monoubiquitination of histone H2A at Lysine 119 (H2AK119ub) and promotes deposition of PRC2-mediated H3K27me3 during meiosis...
August 10, 2018: Journal of Cell Science
https://www.readbyqxmd.com/read/30096982/random-planar-orientation-in-liquid-crystalline-block-copolymers-with-azobenzene-side-chains-by-surface-segregation
#3
Shusaku Nagano
Rod-like liquid-crystalline (LC) mesogens preferentially adopt a homeotropic orientation by excluded volume effects at the free surface in side-chain LC (SCLC) polymer films. The homeotropic orientation is not advantageous for in-plane LC alignment processes. Surface segregation of polymers is the phenomenon in which one component with a low surface free energy covers the surface in a two or more polymer mixture or block copolymer film. In SCLC block copolymer films, the surface segregation structure induces a random planar orientation due to the formation of a microphase-separated interface parallel to the substrate via the covering of one of the segregated polymer block...
August 10, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/30096738/ultrasensitive-label-free-electrochemical-immunosensor-based-on-pva-co-pe-nanofibrous-membrane-for-the-detection-of-chloramphenicol-residues-in-milk
#4
Ahmed Y El-Moghazy, Cunyi Zhao, Georges Istamboulie, Noha Amaly, Yang Si, Thierry Noguer, Gang Sun
An ultrasensitive label-free amperometric immunosensor for the detection of chloramphenicol (CAP) residues in milk has been developed by using a screen-printed carbon electrode laminated with a layer of poly (vinyl alcohol-co-ethylene) (PVA-co-PE) nanofibrous membrane that is covalently immobilized with a CAP antibody (anti-CAP). The performance of the PVA-co-PE nanofiber membrane (PVA-co-PE NFM) on the electrode was compared with a PVA-co-PE casted membrane (PVA-co-PE CM), necessary fabrication steps and performance of the sensors were investigated by electrochemical impedance spectroscopy (EIS)...
October 15, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/30095364/integration-of-novel-hybrid-composite-discharge-electrode-with-semi-pilot-novel-cross-flow-electrostatic-precipitator
#5
M Ali, Y T A Al-Majali, M Kennedy, K Alam
Wet Electrostatic Precipitators (WESPs) are modern era pollution control systems specifically designed to capture ultrafine particles as well as acid mist, highly resistive and sticky particles; however, this requires the use of expensive corrosion resistant metal alloys. The work presented here is part of a continuing study at Ohio University aimed at reducing the cost of WESPs by using a novel combination of a polymer collector surfaces with a hybrid composite discharge electrode. In this study, a hybrid composite discharge electrode was tested, for the first time, inside a semi-pilot scale experimental setup, with collection surfaces consists of a vertical array of strands...
August 10, 2018: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/30094581/a-paper-based-photothermal-array-using-parafilm-to-analyze-hyperthermia-response-of-tumour-cells-under-local-gradient-temperature
#6
Lei Zhang, Lihong Sun, Mengmeng Hou, Zhigang Xu, Yuejun Kang, Peng Xue
Temperature is a critical extrinsic physical parameter that determines cell fate. Hyperthermia therapy has become an efficient treatment for tumor ablation. To understand the response of tumor cells under thermal shocks, we present a paper-based photothermal array that can be conveniently coupled with commercial 96-well cell culture plates. This paper chip device was fabricated in one step using Parafilm® and Kimwipers® based on a heat lamination strategy. Liquid was completely adsorbed and confined within the cellulose fibres of hydrophilic regions...
August 9, 2018: Biomedical Microdevices
https://www.readbyqxmd.com/read/30094373/thrust-and-torque-force-analysis-in-the-drilling-of-aramid-fibre-reinforced-composite-laminates-using-rsm-and-mlpnn-ga
#7
A Anarghya, D N Harshith, Nitish Rao, Nagaraj S Nayak, B M Gurumurthy, V N Abhishek, Ishwar Gouda S Patil
Aramid Fibre Reinforced Plastic composites are difficult to be drilled due to anisotropic material properties. Currently, soft computing techniques are used as alternatives to conventional mathematical models, which is robust and can deal with inaccuracy and uncertainty. In this paper, drilling of Aramid Fibre Reinforced Plastics (AFRPs) was carried out using Taguchi L54 experimental layout. Drilling tool used in this experiment was solid carbide. The purpose of this study was to find optimum combination of drilling parameters to obtain minimum thrust and torque force to reduce the delamination...
July 2018: Heliyon
https://www.readbyqxmd.com/read/30093121/digital-tools-and-3d-printing-technologies-integrated-into-the-workflow-of-restorative-treatment-a-clinical-report
#8
Marta Revilla-León, Adriana Besné-Torre, Jose Luis Sánchez-Rubio, Javier J Fábrega, Mutlu Özcan
The development of technologies including intraoral scanners, dental software for digital restoration design, and additive manufacturing has improved the digital workflow of restorative treatment. The present article describes a digital workflow with intraoral scanning, computer-aided design (CAD) software, and subtractive and additive manufacturing procedures for a patient receiving lithium disilicate laminate veneers.
August 7, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/30091784/assessing-the-evolutionary-history-of-the-fern-family-dipteridaceae-gleicheniales-by-incorporating-both-extant-and-extinct-members-in-a-combined-phylogenetic-study
#9
Thereis Y S Choo, Ignacio H Escapa
PREMISE OF THE STUDY: Dipteridaceae is a lineage of ferns that has existed from the early Mesozoic and is known for its extensive fossil record. By integrating information from all described extant and extinct genera into a single phylogenetic study, this paper aims to examine the taxonomy of the group on a whole and explore character evolution within the lineage across time. METHODS: A morphological matrix of 51 characters was developed for 72 species (43 extinct and 29 extant) based on published information...
August 9, 2018: American Journal of Botany
https://www.readbyqxmd.com/read/30086841/lameness-on-brazilian-pasture-based-dairies-part-1-farmers-awareness-and-actions
#10
José A Bran, Rolnei R Daros, Marina A G von Keyserlingk, Maria José Hötzel
This cross-sectional survey aimed to verify farmers' awareness and knowledge about lameness in grazing dairy cows and to analyze their perspectives and actions intended to control this issue. Farms (n = 44, mean herd size: 42, SD = 11.2) located in southern Brazil were visited twice in 2015. On the first visit the farmers were requested to answer a questionnaire on lameness knowledge (relative importance as a health issue, aetiology, impacts on culling) and management (prevention, treatment and veterinary assistance) on their farms...
September 1, 2018: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/30083363/a-novel-lmna-mutation-identified-in-a-japanese-patient-with-lmna-associated-congenital-muscular-dystrophy
#11
Akihiko Ishiyama, Aritoshi Iida, Shinichiro Hayashi, Hirofumi Komaki, Masayuki Sasaki, Ikuya Nonaka, Satoru Noguchi, Ichizo Nishino
LMNA-associated congenital muscular dystrophy (L-CMD) is a severe form of muscle laminopathy. LMNA encodes lamin A, which an intermediate filament protein that attaches to the inner membrane of the nuclear envelope. We performed sequence analysis based on our original targeted gene panel system for muscle diseases to obtain a molecular diagnosis in a Japanese girl with L-CMD. A novel heterozygous missense mutation, c.115A>C (p.Asn39His), in LMNA is reported.
2018: Human Genome Variation
https://www.readbyqxmd.com/read/30080971/tunable-ion-sieving-of-graphene-membranes-through-the-control-of-nitrogen-bonding-configuration
#12
Jun-Ho Song, Hye-Weon Yu, Moon-Ho Ham, In S Kim
Graphene oxide (GO) membranes with notable ionic sieving properties have attracted significant attention for many applications. However, the swelling and unstable nanostructure of GO laminates in water results in enlarged interlayer spacing and low permeation cut-off, limiting their applicability for water purification and desalination. Herein, we propose novel nitrogen-doped graphene (NG) membranes for use in tunable ion sieving that are made via facile fabrication by a time-dependent N-doping technique. Doping reaction time-associated variation in atomic content and bonding configurations strongly contributed to the nanostructure of NG laminates by yielding narrower interlayer spacing and a more polarized surface than GO...
August 6, 2018: Nano Letters
https://www.readbyqxmd.com/read/30079470/increasing-the-dimensionality-of-soft-microstructures-through-injection-induced-self-folding
#13
Tommaso Ranzani, Sheila Russo, Nicholas W Bartlett, Michael Wehner, Robert J Wood
Devices fabricated using soft materials have been a major research focus of late, capturing the attention of scientists and laypersons alike in a wide range of fields, from microfluidics to robotics. The functionality of such devices relies on their structural and material properties; thus, the fabrication method is of utmost importance. Here, multilayer soft lithography, precision laser micromachining, and folding to establish a new paradigm are combined for creating 3D soft microstructures and devices. Phase-changing materials are exploited to transform actuators into structural elements, allowing 2D laminates to evolve into a third spatial dimension...
August 6, 2018: Advanced Materials
https://www.readbyqxmd.com/read/30079161/the-effects-of-nutritional-supplementation-on-body-mass-index-and-cd4-count-among-adult-people-living-with-hiv-aids-on-antiretroviral-treatment-in-conakry-guinea
#14
Sidikiba Sidibé, Alexandre Delamou, Mohamed Lamine Kaba, Aboubacar Sidiki Magassouba, Amara Tabaouo Samake, Yao Serge Arthur Dongo, Kadio Jean-Jacques Olivier Kadio, Sandouno Sah Dimio, Lansana Mady Camara, Stella Babalola
Whereas the HIV prevalence in Guinea is among the lowest in Africa, many PLHIV in Guinea are malnourished. This study assessed the effect of a nutritional supplementation program on body mass index and CD4 count among adult PLHIV on ART. Study participants were PLHIV who came for consultation in the study sites between May and July 2016. The data came from two sources: retrospectively from participants' medical records and interviews at the time of recruitment into the study. About six months before they were recruited into the study, some of the PLHIV started to receive a monthly nutritional supplementation consisting of Corn-Soy Blend and oil...
May 21, 2018: Journal of Public Health in Africa
https://www.readbyqxmd.com/read/30078822/clinical-manifestations-and-long-term-mortality-in-lamin-a-c-mutation-carriers-from-a-japanese-multicenter-registry
#15
Kenzaburo Nakajima, Takeshi Aiba, Takeru Makiyama, Suguru Nishiuchi, Seiko Ohno, Koichi Kato, Yuta Yamamoto, Takahiro Doi, Satoshi Shizuta, Kenji Onoue, Nobue Yagihara, Taisuke Ishikawa, Ichiro Watanabe, Hiroshi Kawakami, Yasushi Oginosawa, Nobuyuki Murakoshi, Akihiko Nogami, Kazutaka Aonuma, Yoshihiko Saito, Takeshi Kimura, Satoshi Yasuda, Naomasa Makita, Wataru Shimizu, Minoru Horie, Kengo Kusano
BACKGROUND: Mutation in the lamin A/C gene (LMNA) is associated with several cardiac phenotypes, such as cardiac conduction disorders (CCD), atrial arrhythmia (AA), malignant ventricular arrhythmia (MVA) and left ventricular dysfunction (LVD), leading to sudden cardiac death (SCD) and/or end-stage heart failure. We investigated how these phenotypes are associated with each other and which of them are most important for total mortality.Methods and Results:A multicenter registry included 110 LMNA mutation carriers (age, 43±15 years, male: 62%) from 60 families...
August 4, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30078603/cell-specific-microvesicles-vary-with-season-and-disease-predisposition-in-healthy-and-previously-laminitic-ponies
#16
E J T Finding, C Lawson, J Elliott, P A Harris, N J Menzies-Gow
Microvesicles are small (up to 1 μm) vesicles found in plasma and other bodily fluids. They are recognised as part of the normal system of inter-cellular communication but altered numbers are also used as biomarkers of disease. Microvesicles have not been studied in detail in the horse but may be relevant to diseases such as laminitis. Identification of equine cell specific microvesicles was performed by developing a panel of cross reactive antibodies to use in flow cytometry to detect microvesicles of platelet, leucocyte and endothelial origin in plasma from healthy ponies and those predisposed to laminitis...
August 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/30078195/the-brain-of-the-tree-pangolin-manis-tricuspis-ii-the-olfactory-system
#17
Aminu Imam, Adhil Bhagwandin, Moyosore S Ajao, Muhammed A Spocter, Amadi O Ihunwo, Paul R Manger
This study employed a range of neuroanatomical stains to determine the organization of the main and accessory olfactory systems within the brain of the tree pangolin. The tree pangolin has a typically mammalian olfactory system, but minor variations were observed. The main olfactory system is comprised of the layered main olfactory bulb (MOB), the anterior olfactory nucleus (AON), the rostral olfactory cortex (including the taenia tecta, anterior hippocampal continuation and induseum griseum), the olfactory tubercle (Tu), the lateral olfactory tract (lot) and the olfactory limb of the anterior commissure, the nucleus of the lateral olfactory tract (NLOT), the piriform cortex (PIR) and a typically mammalian rostral migratory stream (RMS)...
August 5, 2018: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/30077670/lactic-acid-oligomer-olla-grafted-gum-arabic-based-green-adhesive-for-structural-applications
#18
Neelima Tripathi, Vimal Katiyar
L-Lactic acid (LA)-grafted-gum arabic (GA) graft copolymer [OLLA-g-GA] was prepared by using microwave heating in which the hydrophilic GA was grafted with insitu grown lactic acid oligomer. The grafting at OH and NH groups in GA backbone with oligo-(l-lactic acid) (OLLA) chains proved with the help of FTIR and NMR analyses. The grafted GA was dispersed uniformly in OLLA due to the formation of amphiphile GA backbone grafted with OLLA chains, which is supported by XRD, SEM and TEM analyses. This synthesized OLLA-g-GA graft copolymer showed adhesive characteristics with various substrates such as glass and granite...
August 2, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/30072429/casz1-controls-higher-order-nuclear-organization-in-rod-photoreceptors
#19
Pierre Mattar, Milanka Stevanovic, Ivana Nad, Michel Cayouette
Genome organization plays a fundamental role in the gene-expression programs of numerous cell types, but determinants of higher-order genome organization are poorly understood. In the developing mouse retina, rod photoreceptors represent a good model to study this question. They undergo a process called "chromatin inversion" during differentiation, in which, as opposed to classic nuclear organization, heterochromatin becomes localized to the center of the nucleus and euchromatin is restricted to the periphery...
August 2, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/30067110/letter-to-the-editor-to-isturiz-et-al-streptococcus-pneumoniae-serotype-19a-worldwide-epidemiology-expert-review-of-vaccines-2017-16-10-1007-27
#20
Bruce A Mungall, Javier Nieto, Lamine Soumahoro, Bernard Hoet
No abstract text is available yet for this article.
August 1, 2018: Expert Review of Vaccines
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