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https://www.readbyqxmd.com/read/28448750/simultaneous-atrazine-degradation-and-e-coli-inactivation-by-simulated-solar-photo-fenton-like-process-using-persulfate
#1
Natalya Garkusheva, Galina Matafonova, Irina Tsenter, Sara Beck, Valeriy Batoev, Karl Linden
This work evaluated the feasibility of a photo-Fenton-like process using persulfate (PS) and ferrous iron (Fe(2+)) under simulated solar radiation for degrading the herbicide atrazine (ATZ, 6-Chloro-N-ethyl-N'-isopropyl-1,3,5-triazine-2,4-diamine) and inactivating E. coli. Milli Q water, lake water, and diluted wastewater effluents were spiked both simultaneously and separately with ATZ (4 mg/L) and E. coli (10(5) CFU/mL), and exposed to treatment. A method for determining the average irradiance throughout the water media in the UV(A+B) range of the Xe lamp emission was developed for bench-scale experiments...
April 27, 2017: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/28447491/mobile-communication-jacket-for-people-with-severe-speech-impairment
#2
Renée Lampe, Tobias Blumenstein, Varvara Turova, Ana Alves-Pinto
PURPOSE: Cerebral palsy is a movement disorder caused by damage to motor control areas of the developing brain during early childhood. Motor disorders can also affect the ability to produce clear speech and to communicate. The aim of this study was to develop and to test a prototype of an assistive tool with an embedded mobile communication device to support patients with severe speech impairments. METHODS: A prototype was developed by equipping a cycling jacket with a display, a small keyboard, a LED and an alarm system, all controlled by a microcontroller...
April 27, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28446860/uvb-promotes-the-initiation-of-uveitic-inflammatory-injury-in-vivo-and-is-attenuated-by-uv-blocking-protection
#3
Yi-Ching Shao, Jyh-Cheng Liou, Chan-Yen Kuo, Yun-Shan Tsai, En-Chieh Lin, Ching-Ju Hsieh, Si-Ping Lin, Bo-Yie Chen
PURPOSE: Uveitic inflammatory injury can cause irreversible visual loss; however, no single animal model recapitulates all the characteristics of human uveitis. Ultraviolet radiation (UVR) is one of the risk factors for uveitis, but the role of UVR in the pathogenesis of uveitic injury is unclear. The aim of this study was to elucidate whether UVB promotes the initiation of, and subsequently contributes to, uveitic inflammatory injury. METHODS: Mice were assigned to either a blank control group or one of three UVB treatment groups: no protection, protection with Nelfilcon A contact lens (Food and Drug Administration [FDA] class II, about 46...
2017: Molecular Vision
https://www.readbyqxmd.com/read/28446501/dietary-long-chain-fatty-acids-and-carbohydrate-biomarker-evaluation-in-a-controlled-feeding-study-in-participants-from-the-women-s-health-initiative-cohort
#4
Xiaoling Song, Ying Huang, Marian L Neuhouser, Lesley F Tinker, Mara Z Vitolins, Ross L Prentice, Johanna W Lampe
Background: Biomarkers of macronutrient intake are lacking. Controlled human feeding studies that preserve the normal variation in nutrient and food consumption are necessary for the development and validation of robust nutritional biomarkers.Objective: We aimed to assess the utility of serum phospholipid fatty acids (PLFAs) as biomarkers of dietary intakes of fatty acids, total fat, and carbohydrate.Design: We used an individualized controlled feeding study in which 153 postmenopausal women from the Women's Health Initiative (WHI) were provided with a 2-wk controlled diet that mimicked each individual's habitual food intake...
April 26, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28444886/detection-of-mycobacterium-avium-subsp-paratuberculosis-in-non-human-primates
#5
Kim Fechner, Kerstin Mätz-Rensing, Karen Lampe, Franz-Josef Kaup, Claus-Peter Czerny, Jenny Schäfer
BACKGROUND: Due to a sporadic occurrence of Mycobacterium avium subsp. paratuberculosis (MAP) in non-human primates (NHP), the susceptibility of different NHP to MAP should be investigated. METHODS: Fecal and tissue samples (ileum, ileocecal lymph node, bone marrow) of 20 animals (seven species) were analyzed by IS900-based PCRs and sequenced. Samples of MAP PCR positive NHP were further cultivated. RESULTS: MAP DNA was detectable in two animals; the ileum of a cottontop tamarin and the bone marrow of a common marmoset...
April 26, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28443091/natural-killer-group-2d-ligand-depletion-reconstitutes-natural-killer-cell-immunosurveillance-of-head-and-neck-squamous-cell-carcinoma
#6
Sandra Weil, Stefanie Memmer, Axel Lechner, Volker Huppert, Ariane Giannattasio, Tamara Becker, Andreas Müller-Runte, Karen Lampe, Dirk Beutner, Alexander Quaas, Ralf Schubert, Eva Herrmann, Alexander Steinle, Ulrike Koehl, Lutz Walter, Michael S von Bergwelt-Baildon, Joachim Koch
Head and neck squamous cell carcinoma (HNSCC) is a highly heterogeneous and aggressive tumor originating from the epithelial lining of the upper aero-digestive tract accounting for 300,000 annual deaths worldwide due to failure of current therapies. The natural killer group 2D (NKG2D) receptors on natural killer (NK) cells and several T cell subsets play an important role for immunosurveillance of HNSCC and are thus targeted by tumor immune evasion strategies in particular by shedding of various NKG2D ligands (NKG2DLs)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28442876/idiosyncratic-findings-in-trichoscopy-of-tinea-capitis-comma-zigzag-hairs-corkscrew-and-morse-code-like-hair
#7
Ebtisam Elghblawi
Dermoscopy is a method of growing significance in the diagnoses of dermatological pigmented skin diseases. However, in my case, mycology culture was negative and successful treatment was given on the basis of trichoscopy and wood lamp examination. I hereby describe a young boy with tinea capitis, multiple "comma hairs" and "zigzag hair" and a subtle additional feature "Morse code-like hair" when intensification was applied. Dermatoscopic aspects found skin Type 2 in a child of as a distinctive dermoscopic finding...
October 2016: International Journal of Trichology
https://www.readbyqxmd.com/read/28438685/genotypic-detection-of-the-blactx-m-1-gene-among-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae
#8
Amornrat Thuengern, Surakit Nathisuwan, Mullika T Chomnawang, Chanpen Wiwat, Krit Thirapanmethee
OBJECTIVES: Extended-spectrum β-lactamases (ESBLs), a group of β-lactamase enzymes produced by bacteria in the family Enterobacteriaceae, are becoming a major problem in the healthcare community worldwide. Although many attempts have been made in the detection of ESBL-producing bacteria, the cost and speed of detection remains an important challenge. Therefore, this study aimed to develop a rapid, effective and affordable method for detection of the blaCTX-M-1 ESBL gene by a loop-mediated isothermal amplification (LAMP) technique...
April 21, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28437081/silicon-induced-uv-transparency-in-phosphate-glasses-and-its-application-to-the-enhancement-of-the-uv-type-b-emission-of-gd-3
#9
José A Jiménez
The silicon route to improve the ultraviolet (UV) transparency in phosphate glasses is investigated, and further exploited to enhance the UV type B (280-320 nm) emission of gadolinium(III) relevant for biomedical applications. The glasses were synthesized with a barium-phosphate composition by melt-quenching in ambient atmosphere, and the optical properties investigated by optical absorption and photoluminescence (PL) spectroscopy including emission decay kinetics. An improvement in the UV transparency was gradually developed for the glasses melted merely with increasing amounts of Si powder...
April 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28435998/a-6-year-old-boy-with-wilson-disease-a-diagnostic-dilemma
#10
Ramaswamy Ganesh, N Suresh, T Vasanthi, Malathi Sathiyasekaran, R Thulasiraman
A 6-year-old boy presented with 2 months history of progressive abdominal distension and jaundice. He was deeply icteric with ascites, hepatosplenomegaly, hyperbilirubinemia, raised transaminases, and coagulopathy. Viral markers and slit lamp examination for Kayser-Fleischer ring were negative. Serum ceruloplasmin and 24-h urinary copper post-D-pencillamine challenge were normal. Anti-smooth muscle antibody was positive 1:20, and liver biopsy showed micronodular cirrhosis with abundant Mallory hyaline and stainable copper deposits...
April 24, 2017: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
https://www.readbyqxmd.com/read/28435249/detection-of-influenza-viruses-by-coupling-multiplex-reverse-transcription-loop-mediated-isothermal-amplification-with-cascade-invasive-reaction-using-nanoparticles-as-a-sensor
#11
Yiyue Ge, Qiang Zhou, Kangchen Zhao, Ying Chi, Bin Liu, Xiaoyan Min, Zhiyang Shi, Bingjie Zou, Lunbiao Cui
Influenza virus infections represent a worldwide public health and economic problem due to the significant morbidity and mortality caused by seasonal epidemics and pandemics. Sensitive and convenient methodologies for detection of influenza viruses are essential for further disease control. Loop-mediated isothermal amplification (LAMP) is the most commonly used method of nucleic acid isothermal amplification. However, with regard to multiplex LAMP, differentiating the ladder-like LAMP products derived from multiple targets is still challenging today...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28435073/evaluation-of-a-rapid-detection-for-coxsackievirus-b3-using-one-step-reverse-transcription-loop-mediated-isothermal-amplification-rt-lamp
#12
A Monazah, M Zeinoddini, A R Saeeidinia
Coxsackievirus B3 (CVB3) is a member of the genus Enterovirus within the family Picornaviridae and is an important pathogen of viral myocarditis, which accounts for more than 50% viral myocarditis cases. VP1 is major capsid protein that this region has a low homology in both amino acid and nucleotide sequences among Enteroviruses. Therefore we have chosen this region for designed a set of RT-LAMP primers for CVB3 detection. For this the total RNA was extracted from 24-h post infected-HeLa cells with complete cytopathic effect (CPE), and applied to a one-step reverse transcription loop-mediated isothermal amplification reaction (RT-LAMP) using CVB3-specific primers...
April 20, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28432968/applicability-of-light-sources-and-the-inner-filter-effect-in-uv-acetylacetone-and-uv-h2o2-processes
#13
Bingdang Wu, Minghui Yang, Ran Yin, Shujuan Zhang
Light source is a crucial factor in the application of a photochemical process, which determines the energy efficiency. The performances of acetylacetone (AA) in conversion of aqueous contaminants under irradiation with a low-pressure mercury lamp, a medium-pressure mercury lamp, a xenon lamp, and natural sunlight were investigated and compared with those of H2O2 as reference. In all cases, AA was superior to H2O2 in the degradation of Acid Orange 7. Using combinations of the different light sources with various cut-off and band-pass filters, the spectra responses of the absorbed photons in the UV/AA and UV/H2O2 processes were determined for two colored and two colorless compounds...
April 10, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28430965/nrf2-regulates-the-inflammatory-response-including-heme-oxygenase-1-induction-by-mycoplasma-pneumoniae-lipid-associated-membrane-proteins-in-thp-1-cells
#14
Jihong Hu, Chunyan Chen, Guangli Ou, Xiaoxing You, Tianping Tan, Xinnian Hu, Yihua Zeng, Minjun Yu, Cuiming Zhu
A series of inflammatory responses caused by Mycoplasma pneumoniae largely depend on the lipid-associated membrane proteins (LAMPs). Nuclear factor E2-related factor 2 (Nrf2), a transcription factor, is considered to be a critical modulator of inflammatory responses and cellular redox homeostasis. Monocytes play an important role in the invasion and immunity to resist pathogens. Here, we investigated the role of Nrf2 in the anti-inflammatory response stimulated by LAMPs using the human monocyte cell line THP-1...
April 18, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28430953/gastric-proteins-muc5ac-and-tff1-as-potential-diagnostic-markers-of-colonic-sessile-serrated-adenomas-polyps
#15
Magomed Khaidakov, Keith K Lai, D Roudachevski, Julietta Sargsyan, Hannah E Goyne, Rish K Pai, Laura W Lamps, Curt H Hagedorn
Objectives: A subset of colon cancers originates from sessile serrated adenomas/polyps (SSA/Ps). Our goal was to identify markers for SSA/Ps that could aid in distinguishing them from hyperplastic polyps (HPs). Methods: We performed immunostaining for gastric proteins MUC5AC and TFF1 in formalin-fixed, paraffin-embedded (FFPE) samples of HPs (n = 47), SSA/Ps (n = 37), and normal colon (n = 30). Results: Control mucosa expressed only trace amounts of MUC5AC and TFF1...
November 1, 2016: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28430208/illumination-data-transmission-and-energy-harvesting-the-threefold-advantage-of-vlc
#16
Harilaos G Sandalidis, Alexander Vavoulas, Theodoros A Tsiftsis, Nicholas Vaiopoulos
Visible light communication (VLC) is a promising technology that meets illumination and information transmission requirements in an indoor environment. Because light waves convey energy, a VLC link may exploit that fact for energy harvesting purposes. In this context, a single light emitting diode lamp located at a close distance over a tablet or laptop PC can potentially offer simultaneous lighting, Internet access, and battery recharging without cables. The present study introduces this threefold role of VLC systems by properly adapting some energy harvesting receiver architectures recently launched for usage in RF communications...
April 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/28430177/the-prevalence-of-visual-impairment-and-blindness-in-underserved-rural-areas-a-crucial-issue-for-future
#17
H Hashemi, A Yekta, E Jafarzadehpur, A Doostdar, H Ostadimoghaddam, M Khabazkhoob
PurposeTo determine the prevalence of visual impairment and blindness in underserved Iranian villages and to identify the most common cause of visual impairment and blindness.Patients and methodsMultistage cluster sampling was used to select the participants who were then invited to undergo complete examinations. Optometric examinations including visual acuity, and refraction were performed for all individuals. Ophthalmic examinations included slit-lamp biomicroscopy and ophthalmoscopy. Visual impairment was determined according to the definitions of the WHO and presenting vision...
April 21, 2017: Eye
https://www.readbyqxmd.com/read/28430027/a-comparison-of-the-performance-of-2-5-to-3-5-year-old-children-without-disabilities-using-animated-and-cursor-based-scanning-in-a-contextual-scene
#18
John W McCarthy, Jamie B Boster
Although recent evidence suggests learning demands for children can be reduced by organizing augmentative and alternative communication (AAC) displays in contextual scenes, there is little evidence on how such scenes could be made accessible for children who cannot use direct selection. Using a line drawn scene of a living room, a traditional traveling cursor (a green outline of objects within the scene) was compared with sequential animation-logically matching the function of items in the scene (e.g., hands of a clock moving, a lamp turning on and off, etc...
April 21, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/28429670/expression-of-dominant-negative-k6w-ubiquitin-in-the-lens-epithelium-via-an-adenoviral-vector-delays-posterior-capsule-opacification-in-a-rabbit-model
#19
Xuan Bao, Min Hou, Ruiping Peng, Furong Luo, Mingxing Wu
PURPOSE: Ubiquitin is involved in cell proliferation and differentiation, and the objective of this study is to investigate the potential of dominant negative Ubiquitin (Ub) with a lysine to tryptophan mutation at the 6 position (K6W) through an adenoviral expression vector in the prevention of posterior capsule opacification (PCO) in a rabbit PCO model. METHODS: Recombinant dominant negative K6W-Ub adenovirus (RAd-K6W-Ub) with green fluorescent protein (RAd-K6W-Ub/GFP) and RAd-GFP viruses (control) were generated with QBI-HEK 293A cells...
March 31, 2017: Current Molecular Medicine
https://www.readbyqxmd.com/read/28429128/endophthalmitis-associated-with-purpureocillium-lilacinum-during-infliximab-treatment-for-surgically-induced-necrotizing-scleritis-successfully-treated-with-27-gauge-vitrectomy
#20
Masaaki Yoshida, Shunji Yokokura, Hiroshi Kunikata, Naoko Takada, Kazuichi Maruyama, Masahiro Toyokawa, Kazushi Kashio, Mitsuo Kaku, Toru Nakazawa
PURPOSE: To report a case of endophthalmitis associated with Purpureocillium lilacinum (P. lilacinum) during infliximab treatment for surgically induced necrotizing scleritis, successfully treated with 27-gauge vitrectomy. METHODS: A single case report. RESULTS: A 71-year-old man who had undergone immunosuppressive therapy, including infliximab, for surgically induced necrotizing scleritis (SINS) in his left eye complained of visual disturbance and eye pain in the eye...
April 20, 2017: International Ophthalmology
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