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https://www.readbyqxmd.com/read/28809081/diagnosing-the-internal-architecture-of-zeolite-ferrierite
#1
Joel E Schmidt, Frank C Hendriks, Martin Lutz, L Christiaan Post, Donglong Fu, Dr Bert M Weckhuysen
Large crystals of zeolite ferrierite (FER) are important model systems for spatially resolved catalysis and diffusion studies, though there is considerable variation in crystal habit depending on the chemical composition and employed synthesis conditions. A synergistic combination of techniques has been applied, including single crystal X-ray diffraction, high-temperature in situ confocal fluorescence microscopy, fluorescent probe molecules, wide-field microscopy and atomic force microscopy to unravel the internal architecture of three distinct FER zeolites...
August 15, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/28805885/effects-of-steeped-or-fermented-distillers-dried-grains-with-solubles-on-growth-performance-in-weanling-pigs
#2
M Wiseman, B McBride, J Li, D Wey, J Zhu, C F M de Lange
Coproduct feeding value may be improved by enzyme and microbial inoculant treatment in liquid diets. Three experiments were conducted to assess growth performance in newly weaned 20-d-old pigs fed corn- and soybean meal-based diets with untreated, steeped, or partially fermented distillers dried grains with solubles (DDGS) from day of weaning. In Exp. 1, conventionally dry fed diets with untreated DDGS (DDGS) or without DDGS (Control) were fed. In Exp. 2, liquid diets (25% DM [75% moisture]) were fed with enzymes (β-glucanase and xylanase at 67...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28799040/automated-microfluidic-devices-integrating-solid-phase-extraction-fluorescent-labeling-and-microchip-electrophoresis-for-preterm-birth-biomarker-analysis
#3
Vishal Sahore, Mukul Sonker, Anna V Nielsen, Radim Knob, Suresh Kumar, Adam T Woolley
We have developed multichannel integrated microfluidic devices for automated preconcentration, labeling, purification, and separation of preterm birth (PTB) biomarkers. We fabricated multilayer poly(dimethylsiloxane)-cyclic olefin copolymer (PDMS-COC) devices that perform solid-phase extraction (SPE) and microchip electrophoresis (μCE) for automated PTB biomarker analysis. The PDMS control layer had a peristaltic pump and pneumatic valves for flow control, while the PDMS fluidic layer had five input reservoirs connected to microchannels and a μCE system...
August 10, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28783875/antifungal-activity-of-the-lipophilic-antioxidant-ferrostatin-1
#4
Michael Horwath, Tiffany Bell-Horwath, Victor Lescano, Karthik Krishnan, Edward Merino, George Samuel Deepe
Ferrostatin-1 (Fer-1) is a lipophilic antioxidant that effectively blocks ferroptosis, a distinct non-apoptotic form of cell death caused by lipid peroxidation. During many infections, both pathogens and host cells are subjected to oxidative stress, but the occurrence of ferroptosis has not been investigated. Ferroptosis was examined in macrophages infected with the pathogenic yeast Histoplasma capsulatum. Unexpectedly, Fer-1 not only reduced death of macrophages infected in vitro, but inhibited the growth of H...
August 7, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28783135/enzymatic-and-pro-inflammatory-activities-of-bothrops-lanceolatus-venom-relevance-for-envenomation
#5
Marie Delafontaine, Isadora Maria Villas-Boas, Laurence Mathieu, Patrice Josset, Joël Blomet, Denise V Tambourgi
Bothrops lanceolatus, commonly named 'Fer-de-Lance', is an endemic snake of the French Caribbean Island of Martinique. Envenomations by B. lanceolatus present clinical aspects characterized by systemic thrombotic syndrome and important local inflammation, involving edema and pain but limited hemorrhage. To investigate mechanisms of venom-induced inflammation, B. lanceolatus venom was characterized, its cross-reactivity with bothropic antivenom explored, its cytotoxicity on human keratinocytes and vascular cells, and the production of cytokines and chemokines were analyzed...
August 7, 2017: Toxins
https://www.readbyqxmd.com/read/28759956/long-non-coding-rna-fer-1-like-protein-4-acts-as-a-tumor-suppressor-via-mir-106a-5p-and-predicts-good-prognosis-in-hepatocellular-carcinoma
#6
Ju Wu, Jiaobao Huang, Wei Wang, Jian Xu, Min Yin, Nan Cheng, Jiajun Yin
Long non-coding RNAs (lncRNAs) are aberrantly expressed in various cancers. Fer-1-like protein 4 (FER1L4), one of lncRNAs, plays a role as tumor suppressor in various human cancers and can be regulated by microRNA. However, the role and function of FER1L4 in human hepatocellular carcinoma (HCC) remains unknown. The aim of the present study was to annotate the role of FER1L4 and its clinical value in HCC. In the present study, we found that FER1L4 was lowly expressed in HCC tissue specimens as well as in malignant HCC cell lines, while the situation is opposite in miR-106a-5p...
July 19, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28749146/rigid-branched-porphyrin-antennas-control-over-cascades-of-unidirectional-energy-funneling-and-charge-transfer
#7
Maximilian Wolf, Astrid Herrmann, Andreas Hirsch, Dirk M Guldi
Porphyrin arrays consisting of three peripheral Zinc porphyrins (ZnPs) and a central free base porphyrin (H2P)-all rigidly linked to each other-serve as light-harvesting antennas as well as electron donors and are flexibly coupled to an electron-accepting C60 to realize the unidirectional flow of (i) excited-state energy from the ZnPs at the periphery to the H2P, (ii) electrons to C60, and (iii) holes to H2P and, subsequently, to ZnP. Dynamics following photoexcitation are elucidated by time-resolved transient absorption measurements on the femto-, pico-, nano-, and microsecond time scales and are examined by multiwavelength as well as target analyses...
August 15, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28745671/-a-role-of-interactions-between-n-methyl-d-aspartate-and-dopamine-receptors-in-facial-emotion-recognition-impairment-in-schizophrenia
#8
M V Alfimova, V E Golimbet, G I Korovaitseva, T V Lezheiko, D V Tikhonov, T K Ganisheva, N B Berezin, A A Snegireva, T K Shemiakina
AIM: To search for genetic mechanisms of facial emotion recognition (FER) impairment, one of the features of schizophrenia that affects social adaptation of patients. Based on the view implicating the interplay between dopaminergic and glutamatergic systems into the pathogenesis of schizophrenia, authors explored the interaction effects of the C366G polymorphism in the GRIN2B gene encoding NMDA receptor subunit NR2B with ANKK1/DRD2 Taq1A and 48-VNTR DRD4 polymorphisms on FER. MATERIAL AND METHODS: GRIN2B -DRD2 interaction effects were studied in a sample of 237 patients and 235 healthy controls, GRIN2B - DRD4 in 268 patients and 208 controls...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28716313/telemedicine-for-management-of-inflammatory-bowel-disease-myibdcoach-a-pragmatic-multicentre-randomised-controlled-trial
#9
Marin J de Jong, Andrea E van der Meulen-de Jong, Mariëlle J Romberg-Camps, Marco C Becx, Jeroen P Maljaars, Mia Cilissen, Ad A van Bodegraven, Nofel Mahmmod, Tineke Markus, Wim M Hameeteman, Gerard Dijkstra, Ad A Masclee, Annelies Boonen, Bjorn Winkens, Astrid van Tubergen, Daisy M Jonkers, Marie J Pierik
BACKGROUND: Tight and personalised control of inflammatory bowel disease in a traditional setting is challenging because of the disease complexity, high pressure on outpatient clinics, and rising incidence. We compared the effects of self-management with a telemedicine system, which was developed for all subtypes of inflammatory bowel disease, on health-care utilisation and patient-reported quality of care versus standard care. METHODS: We did this pragmatic, randomised trial in two academic and two non-academic hospitals in the Netherlands...
July 14, 2017: Lancet
https://www.readbyqxmd.com/read/28702036/a-feronia-like-receptor-kinase-regulates-strawberry-fragaria-%C3%A3-ananassa-fruit-ripening-and-quality-formation
#10
Meiru Jia, Ning Ding, Qing Zhang, Sinian Xing, Lingzhi Wei, Yaoyao Zhao, Ping Du, Wenwen Mao, Jizheng Li, Bingbing Li, Wensuo Jia
Ripening of fleshy fruits is controlled by a series of intricate signaling processes. Here, we report a FERONIA/FER-like receptor kinase, FaMRLK47, that regulates both strawberry (Fragaria × ananassa) fruit ripening and quality formation. Overexpression and RNAi-mediated downregulation of FaMRLK47 delayed and accelerated fruit ripening, respectively. We showed that FaMRLK47 physically interacts with FaABI1, a negative regulator of abscisic acid (ABA) signaling, and demonstrated that FaMRLK47 regulates fruit ripening by modulating ABA signaling, a major pathway governing strawberry fruit ripening...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28700236/on-the-equivalence-of-the-floquet-magnus-and-fer-expansions-to-investigate-the-dynamics-of-a-spin-system-in-the-three-level-system
#11
Eugene Stephane Mananga
In this work, we investigated the orders to which the Floquet-Magnus expansion (FME) and Fer expansion (FE) are equivalent or different for the three-level system. Specifically, we performed the third-order calculations of both approaches based on elegant integrations formalism. We present an important close relationship between the Floquet-Magnus and Fer expansions. As the propagator from the FME takes the form of the evolution operator which removes the constraint of a stroboscopic observation, we appreciated the effects of time-evolution under Hamiltonians with different orders separately...
July 12, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28698082/mechanisms-of-facial-emotion-recognition-in-autism-spectrum-disorders-insights-from-eye-tracking-and-electroencephalography
#12
REVIEW
Melissa H Black, Nigel T M Chen, Kartik K Iyer, Ottmar V Lipp, Sven Bölte, Marita Falkmer, Tele Tan, Sonya Girdler
While behavioural difficulties in facial emotion recognition (FER) have been observed in individuals with Autism Spectrum Disorder (ASD), behavioural studies alone are not suited to elucidate the specific nature of FER challenges in ASD. Eye tracking (ET) and electroencephalography (EEG) provide insights in to the attentional and neurological correlates of performance, and may therefore provide insight in to the mechanisms underpinning FER in ASD. Given that these processes develop over the course of the developmental trajectory, there is a need to synthesise findings in regard to the developmental stages to determine how the maturation of these systems may impact FER in ASD...
July 8, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28696664/evaluation-of-silver-zeolites-sorbents-toward-their-ability-to-promote-stable-ch3i-storage-as-agi-precipitates
#13
Bruno Azambre, Mouheb Chebbi
In this study, up to 13 different silver zeolites sorbents were prepared by repeated ion exchange from their parent structures (FAU X and Y, MOR, *BEA, MFI, FER), characterized, and evaluated for their ability to capture methyl iodide in the context of a nuclear severe accident. A novel methodology was implemented to establish structure-activity relationships between sorbent properties and iodine trapping stability. After saturation of the zeolite bed with CH3I during a dynamic breakthrough experiment at 100 °C, a two-step quantitative desorption method was elaborated with the aim to quantify separately the CH3I fractions trapped by physisorption, chemisorption, or reacted as AgI precipitates...
July 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28695417/a-fiber-tractography-study-of-social-emotional-related-fiber-tracts-in-children-and-adolescents-with-autism-spectrum-disorder
#14
Yun Li, Hui Fang, Wenming Zheng, Lu Qian, Yunhua Xiao, Qiaorong Wu, Chen Chang, Chaoyong Xiao, Kangkang Chu, Xiaoyan Ke
The symptoms of autism spectrum disorder (ASD) have been hypothesized to be caused by changes in brain connectivity. From the clinical perspective, the "disconnectivity" hypothesis has been used to explain characteristic impairments in "socio-emotional" function. Therefore, in this study we compared the facial emotional recognition (FER) feature and the integrity of social-emotional-related white-matter tracts between children and adolescents with high-functioning ASD (HFA) and their typically developing (TD) counterparts...
July 10, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28670429/tumor-necrosis-factor-alpha-308-g-a-single-nucleotide-polymorphism-and-risk-of-sperm-abnormalities-in-iranian-males
#15
Maryam Khademi Bami, Masoud Dehghan Tezerjani, Fateme Montazeri, Hamid Reza Ashrafzadeh Mehrjardi, Saeed Ghasemi-Esmailabad, Mohammad Hasan Sheikhha, Seyed Mehdi Kalantar
BACKGROUND: Signaling molecules such as cytokines regulate spermatogenesis during the maturation of germ cells and sperm apoptosis. Tumor necrosis factor alpha (TNFα) is one of the most-documented cytokines that is involved in spermatogenesis. We investigated the association of the TNFα -308 G/A single nucleotide polymorphism with sperm abnormalities in Iranian males. MATERIALS AND METHODS: This case-control study included 180 infertile men who re- ferred to Yazd Research and Clinical Center for Infertility and 100 healthy normospermic controls...
July 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28666715/-the-role-of-erythroferrone-in-iron-metabolism-from-experimental-results-to-pathogenesis
#16
N Vallet
In case of erythropoiesis, body iron needs to increase to enable the production of new red blood cells. In the 1950s, the observation of an increased digestive iron absorption in the case of phlebotomies had led to propose the existence of an "erythroid factor", which regulate the availability of iron for erythropoiesis in this situation. The factor regulating iron stores has been identified in 2000 to be hepcidin. Recently, in 2014, a new factor was discovered, which regulates iron metabolism, independently of iron stores and responds to the increased requirements for iron after stimulation of erythropoiesis by erythropoietin...
June 27, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28648056/anamorsin-ndor1-complex-reduces-2fe-2s-mitoneet-via-a-transient-protein-protein-interaction
#17
Francesca Camponeschi, Simone Ciofi-Baffoni, Lucia Banci
Human mitoNEET is a homodimeric protein anchored to the outer mitochondrial membrane and has a C-terminal [2Fe-2S] binding domain located in the cytosol. Recently, human mitoNEET has been shown to be implicated in Fe/S cluster repair of cytosolic iron regulatory protein 1 (IRP1), a key regulator of cellular iron homeostasis in mammalian cells. The Fe/S cluster repair function of mitoNEET is based on an Fe/S redox switch mechanism: under normal cellular conditions, reduced [2Fe-2S](+)-mitoNEET is present and is inactive as an Fe/S cluster transfer protein; under conditions of oxidative cellular stress, the clusters of mitoNEET become oxidized, and the formed [2Fe-2S](2+)-mitoNEET species reacts promptly to initiate Fe/S cluster transfer to IRP1, recycling the cytosolic apo-IRP1 into holo-aconitase...
July 6, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28647652/kinase-activity-in-recurring-primary-skull-base-chordomas-and-chondrosarcomas-identification-of-novel-pathways-of-oncogenesis-and-potential-drug-targets
#18
Philip Tatman, Joshua Osbun, Youssef Yakkioui, Sumanpret Kaur, Carolina Parada, Tina Busald, Donald Born, Owais Ahmad, Jing Zhang, Manuel Ferreira
OBJECTIVE: Chordomas and chondrosarcomas are tumors that can occur in the skull base. Currently, 45% of chordomas and 56% of chondrosarcomas recur within five years of surgery. The role of adjuvant therapy is highly debated. No pharmacotherapies have been approved by the FDA for chordomas or chondrosarcomas. The high propensity for recurrence and lack of definitive adjuvant therapy necessitates additional basic science research to identify molecular anomalies associated with recurrent disease...
June 21, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28639716/expression-of-the-autoantigen-trim33-tif1%C3%AE-in-skin-and-muscle-of-patients-with-dermatomyositis-is-upregulated-together-with-markers-of-cellular-stress
#19
B Scholtissek, S Ferring-Schmitt, J Maier, J Wenzel
Dermatomyositis (DM) is an autoimmune disorder associated with a dysregulation of immune homeostasis of both the innate and adaptive immune system. Earlier data suggested that these two arms of the immune system interconnect in DM. In the current study, we analysed the association of autoantigen expression [adaptive system components: Mi2, transcriptional intermediary factor (TIF)1γ, small ubiquitin-like modifier 1 activating enzyme subunit (SAE)1, melanoma differentiation-associated protein (MDA)5] with markers of cellular stress (innate system components: MxA, p53) in skin and muscle (immunohistology and gene expression data, respectively)...
August 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28637374/facial-emotion-recognition-in-parkinson-s-disease-association-with-age-and-olfaction
#20
S Kalampokini, E Lyros, M Luley, J Schöpe, J Spiegel, J Bürmann, U Dillmann, K Fassbender, M M Unger
OBJECTIVE: The ability to recognize facial emotion expressions has been reported to be impaired in Parkinson's disease (PD), yet previous studies showed inconsistent findings. The aim of this study was to further investigate facial emotion recognition (FER) in PD patients and its association with demographic and clinical parameters (including motor and nonmotor symptoms). METHOD: Thirty-four nondemented PD patients and 24 age- and sex-matched healthy controls (HC) underwent clinical neurological and neuropsychological assessment, standardized olfactory testing with Sniffin' Sticks, and the Ekman 60 Faces Emotion Recognition Test...
June 21, 2017: Journal of Clinical and Experimental Neuropsychology
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