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https://www.readbyqxmd.com/read/28711619/adsorption-of-pb-ii-ions-from-aqueous-environment-using-eco-friendly-chitosan-schiff-s-base-fe3o4-csb-fe3o4-as-an-adsorbent-kinetics-isotherm-and-thermodynamic-studies
#1
Zhang Weijiang, Zhang Yace, Gutha Yuvaraja, Xu Jiao
Chitosan and its derivatives can be used to modify magnetic materials to promote the adsorption properties of the magnetic materials for the removal of meal ions. In this study a novel CSB@Fe3O4 was prepared, characterized by FTIR, SEM, TEM, and VSM analysis and utilized as an adsorbent material for the removal of Pb(II) ions from aqueous solution. Batch studies were performed to evaluate the influences of various experimental parameters like pH, adsorbent dosage, contact time, initial concentration, and the effect of temperature...
July 12, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28707579/the-involvement-of-ercc2-xpd-and-ercc6-csb-wild-type-alleles-in-protection-against-aging-and-cancer
#2
Natalia Savina, Natalia Nikitchenko, Tatyana Kuzhir, Alexander Rolevich, Sergei Krasny, Roza Goncharova
BACKGROUND: DNA helicases maintain genome stability, and their deficiency is associated with disorders resembling premature aging as well as contributes to carcinogenesis. Their functions are determined by the respective genes encoding nucleotide excision repair initiating proteins, e.g. XPD and CSB. OBJECTIVE: The present study aimed to investigate the influence of genetic variations in ERCC2/XPD (rs1799793, rs13181) and ERCC6/CSB (rs2228526, rs2228528) loci on lifespan and developing age-related bladder cancer focusing on homozygous wild type alleles...
July 7, 2017: Current Aging Science
https://www.readbyqxmd.com/read/28666631/biochar-from-green-waste-for-phosphate-removal-with-subsequent-disposal
#3
Dhanuskodi Krishna Veni, Pandian Kannan, Thomas Nesakumar Jebakumar Immanuel Edison, Annamalai Senthilkumar
Biochar prepared from cotton stalk solid waste provides a new material for contaminant removal. In the present study, experiments were conducted to investigate the removal of phosphate from aqueous solution by cotton stalk biochar (CSB). The characterization of CSB & phosphate adsorbed biochar (PCSB) were done to substantiate the adsorption of phosphate on CSB surface. FT-IR studies disclosed the functional groups present in CSB and supported adsorption phenomena. Scanning electron microscope showed the porous nature of CSB and EDS measurements justified the phosphate adsorption process...
June 27, 2017: Waste Management
https://www.readbyqxmd.com/read/28662047/mdd-palm-identification-of-protein-s-palmitoylation-sites-with-substrate-motifs-based-on-maximal-dependence-decomposition
#4
Shun-Long Weng, Hui-Ju Kao, Chien-Hsun Huang, Tzong-Yi Lee
S-palmitoylation, the covalent attachment of 16-carbon palmitic acids to a cysteine residue via a thioester linkage, is an important reversible lipid modification that plays a regulatory role in a variety of physiological and biological processes. As the number of experimentally identified S-palmitoylated peptides increases, it is imperative to investigate substrate motifs to facilitate the study of protein S-palmitoylation. Based on 710 non-homologous S-palmitoylation sites obtained from published databases and the literature, we carried out a bioinformatics investigation of S-palmitoylation sites based on amino acid composition...
2017: PloS One
https://www.readbyqxmd.com/read/28652570/effects-of-epigallocatechin-3-gallate-egcg-on-the-bond-strength-of-fiber-posts-to-sodium-hypochlorite-naocl-treated-intraradicular-dentin
#5
Hao-Han Yu, Ling Zhang, Shuai Xu, Fang Li, Fan Yu, Zheng-Ya Liu, Li Huang, Ji-Hua Chen
This study was to evaluate the effect of Epigallocatechin-3-gallate (EGCG) on the bond strength of two adhesive systems to the Sodium hypochlorite (NaOCl) treated intraradicular dentin. The roots were accepted regular root canal treatments and post space preparations, and further divided into eight groups according to the four post space pretreatments and two dentin adhesives [Single Bond 2 (SB2) and Clearfil SE Bond (CSB)] used. The push-out strength before and after thermocycling in different root region (coronal and apical), DC of the adhesive and morphologic patterns of treated post space were evaluated...
June 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28630695/newly-formulated-protein-quality-enhanced-extruded-sorghum-cowpea-corn-soya-sugar-and-oil-containing-fortified-blended-foods-lead-to-adequate-vitamin-a-and-iron-outcomes-and-improved-growth-compared-with-non-extruded-csb-in-rats
#6
Nicole M Delimont, Nicole M Fiorentino, Alexander B Opoku-Acheampong, Michael V Joseph, Qingbin Guo, Sajid Alavi, Brian L Lindshield
Corn and soyabean micronutrient-fortified-blended foods (FBF) are commonly used for food aid. Sorghum and cowpeas have been suggested as alternative commodities because they are drought tolerant, can be grown in many localities, and are not genetically modified. Change in formulation of blends may improve protein quality, vitamin A and Fe availability of FBF. The primary objective of this study was to compare protein efficiency, Fe and vitamin A availability of newly formulated extruded sorghum-, cowpea-, soya- and corn-based FBF, along with a current, non-extruded United States Agency for International Development (USAID) corn and soya blend FBF (CSB+)...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/28595744/functional-electrical-stimulation-improves-quality-of-life-by-reducing-intermittent-claudication
#7
David G Embrey, Gad Alon, Brenna A Brandsma, Felix Vladimir, Angela Silva, Bethann M Pflugeisen, Paul J Amoroso
OBJECTIVE: To determine if Functional Electrical Stimulation (FES) would improve ischemic pain, walking distance, and quality of life of patients with intermittent claudication. DESIGN: Single blind, randomized block, two factorial design. PATIENTS: Patients diagnosed with Peripheral Artery Disease (PAD) and intermittent claudication (IC). Ankle Brachial Index ranged 0.4-0.9 on at least one leg. Patients were randomly assigned to experimental (FES+Walk, N=13) or control (WALK, N=14) groups...
June 2, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28589674/differences-in-the-early-stages-of-social-information-processing-for-adolescents-involved-in-bullying
#8
Alexa Guy, Kirsty Lee, Dieter Wolke
Bullying victimization has commonly been associated with deficiencies in social information processing (SIP). In contrast, findings regarding bullying perpetration are mixed, with some researchers claiming that bullies may have superior SIP abilities than victimized or uninvolved youth. This study investigated the effects of bullying and victimization on early SIP; specifically the recognition and interpretation of social information. In stage 1, 2,782 adolescents (11-16 years) were screened for bullying involvement, and in stage 2, 723 of these participants (mean age = 13...
June 7, 2017: Aggressive Behavior
https://www.readbyqxmd.com/read/28554794/comparative-studies-of-chitosan-and-its-nanoparticles-for-the-adsorption-efficiency-of-various-dyes
#9
Shajahan A, Shankar S, Sathiyaseelan A, Karthik S Narayan, Narayanan V, Kaviyarasan V, Ignacimuthu S
Chitosan has been considered as a chelating agent with the potential for the adsorption of dyes, metal ions and proteins. This study was aimed to prepare and characterize different fungal chitosan nanoparticles (FCI-1 to FCI-6 NPs) by ionic gelation method and to evaluate its efficacy on the sorption of various commercial dyes. Morphological observations showed that the FCI-1 is nearly spherical in shape with particle size ranging from 2 to 30nm, as determined by electron microscopic studies. Electron micrograph revealed that FCI-1 NPs were stable even after eighteen months of storage at 4°C...
May 26, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28521214/def1-and-dst1-play-distinct-roles-in-repair-of-ap-lesions-in-highly-transcribed-genomic-regions
#10
Norah Owiti, Christopher Lopez, Shivani Singh, Andrei Stephenson, Nayun Kim
Abasic or AP sites generated by spontaneous DNA damage accumulate at a higher rate in actively transcribed regions of the genome in S. cerevisiae and are primarily repaired by base excision repair (BER) pathway. We have demonstrated that transcription-coupled nucleotide excision repair (NER) pathway can functionally replace BER to repair those AP sites located on the transcribed strand much like the strand specific repair of UV-induced pyrimidine dimers. Previous reports indicate that Rad26, a yeast homolog of transcription-repair coupling factor CSB, partly mediates strand-specific repair of UV-dimers as well as AP lesions...
May 10, 2017: DNA Repair
https://www.readbyqxmd.com/read/28499521/investigating-clinically-and-scientifically-useful-cut-points-on-the-compulsive-sexual-behavior-inventory
#11
Michael H Miner, Nancy Raymond, Eli Coleman, Rebecca Swinburne Romine
INTRODUCTION: One of the major obstacles to conducting epidemiologic research and determining the incidence and prevalence of compulsive sexual behavior (CSB) has been the lack of relevant empirically derived cut points on the various instruments that have been used to measure the concept. AIM: To further develop the Compulsive Sexual Behavior Inventory (CSBI) through exploring predictive validity and developing an empirically determined and clinically useful cut point for defining CSB...
May 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28486518/complete-mitochondrial-genomes-of-two-blattid-cockroaches-periplaneta-australasiae-and-neostylopyga-rhombifolia-and-phylogenetic-relationships-within-the-blattaria
#12
Jinnan Ma, Chao Du, Chuang Zhou, Yongmei Sheng, Zhenxin Fan, Bisong Yue, Xiuyue Zhang
Complete mitochondrial genomes (mitogenomes) of two cockroach species, Periplaneta australasiae and Neostylopyga rhombifolia, 15,605 bp and 15,711 bp in length, respectively, were determined. As reported for other cockroach mitogenomes, the two mitogenomes possessed typical ancestral insect mitogenome gene composition and arrangement. Only several small intergenic spacers were found: one, which was common in all sequenced cockroach mitogenomes except for the genus Cryptocercus, was between tRNA-Ser (UCN) and ND1 and contained a 7bp highly conserved motif (WACTTAA)...
2017: PloS One
https://www.readbyqxmd.com/read/28472937/reducing-the-information-gap-on-loricarioidei-siluriformes-mitochondrial-genomics
#13
Daniel Andrade Moreira, Paulo Andreas Buckup, Carolina Furtado, Adalberto Luis Val, Renata Schama, Thiago Estevam Parente
BACKGROUND: The genetic diversity of Neotropical fish fauna is underrepresented in public databases. This distortion is evident for the order Siluriformes, in which the suborders Siluroidei and Loricarioidei share equivalent proportion of species, although far less is known about the genetics of the latter clade, endemic to the Neotropical Region. Recently, this information gap was evident in a study about the structural diversity of fish mitochondrial genomes, and hampered a precise chronological resolution of Siluriformes...
May 4, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28427400/monitoring-mandibular-movements-to-detect-cheyne-stokes-breathing
#14
Jean-Benoît Martinot, Jean-Christian Borel, Nhat-Nam Le-Dong, Hervé Jean-Pierre Guénard, Valerie Cuthbert, Philip E Silkoff, David Gozal, Jean-Louis Pepin
BACKGROUND: The patterns of mandibular movements (MM) during sleep can be used to identify increased respiratory effort periodic large-amplitude MM (LPM), and cortical arousals associated with "sharp" large-amplitude MM (SPM). We hypothesized that Cheyne Stokes breathing (CSB) may be identified by periodic abnormal MM patterns. The present study aims to evaluate prospectively the concordance between CSB detected by periodic MM and polysomnography (PSG) as gold-standard. The present study aims to evaluate prospectively the concordance between CSB detected by periodic MM and polysomnography (PSG) as gold-standard...
April 20, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28420125/bioavailable-citrus-sinensis-extract-polyphenolic-composition-and-biological-activity
#15
Giacomo Pepe, Francesco Pagano, Simona Adesso, Eduardo Sommella, Carmine Ostacolo, Michele Manfra, Marcello Chieppa, Marina Sala, Mariateresa Russo, Stefania Marzocco, Pietro Campiglia
Citrus plants contain large amounts of flavonoids with beneficial effects on human health. In the present study, the antioxidant and anti-inflammatory potential of bioavailable polyphenols from Citrus sinensis was evaluated in vitro and ex vivo, using the murine macrophages cell line J774A.1 and primary peritoneal macrophages. Following simulated gastro-intestinal digestion, the in vitro bioavailability of Citrus sinensis polyphenolic extract was assessed using the human cell line Caco-2 grown as monolayers on a transwell membrane...
April 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28406418/collective-poisoning-from-sea-turtle-consumption-in-mahajanga-madagascar-may-2014
#16
N G Rasamimanana, Z Z Andrianirina, F M F Razafilalaina, L M P Rakotozanany, N C Andriamalala, D Andrianarimanana, D O Tiandaza, N E Raveloson
Poisoning from eating sea turtles, medically known as chelonitoxism, is seen especially in coastal areas. It remains a public health problem in Madagascar, despite a ban on hunting these animals. The objective of this study was to describe its epidemiological and clinical aspects and outcome to improve knowledge and prevention of this type of poisoning. Chelonitoxism occurred in May 2014, affecting the population in Antsanitia, a fishing village in northwest Mahajanga, Madagascar. All patients came first to the CSB I basic health center in Antsanitia and were subsequently hospitalized at the Mahajanga CHU Pzaga, 51 in the adult emergency department and 25 in the pediatrics department...
February 1, 2017: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/28401660/depression-anxiety-and-compulsive-sexual-behaviour-among-men-in-residential-treatment-for-substance-use-disorders-the-role-of-experiential-avoidance
#17
Meagan J Brem, Ryan C Shorey, Scott Anderson, Gregory L Stuart
Nearly one-third of individuals in treatment for substance use disorders endorse at-risk levels of compulsive sexual behaviours (CSBs). Untreated sexual compulsivity may facilitate relapse for treatment-seeking men. Previous research and theory suggest that CSBs are maintained by efforts to escape or alter negative affect (e.g., depression and anxiety). However, this hypothesis has not been examined within a sample of men in treatment for substance use disorders. In an effort to better understand CSBs within a population of men with substance use disorders, the present study is the first to examine experiential avoidance as one potential mechanism underlying the relation between men's symptoms of depression and anxiety and their use of CSBs...
April 11, 2017: Clinical Psychology & Psychotherapy
https://www.readbyqxmd.com/read/28388663/vinculin-association-with-actin-cytoskeleton-is-necessary-for-stiffness-dependent-regulation-of-vinculin-behavior
#18
Tomohiro Omachi, Takafumi Ichikawa, Yasuhisa Kimura, Kazumitsu Ueda, Noriyuki Kioka
The extracellular matrix (ECM) is a major regulator of cell behavior. Recent studies have indicated the importance of the physical properties of the ECM, including its stiffness, for cell migration and differentiation. Using actomyosin-generated forces, cells pull the ECM and sense stiffness via cell-ECM adhesion structures called focal adhesions (FAs). Vinculin, an actin-binding FA protein, has emerged as a major player in FA-mediated mechanotransduction. Although vinculin is important for sensing ECM stiffness, the role of vinculin binding to actin in the ECM stiffness-mediated regulation of vinculin behavior remains unknown...
2017: PloS One
https://www.readbyqxmd.com/read/28380355/dgcr8-mediates-repair-of-uv-induced-dna-damage-independently-of-rna-processing
#19
Philamer C Calses, Kiranjit K Dhillon, Nyka Tucker, Yong Chi, Jen-Wei Huang, Masaoki Kawasumi, Paul Nghiem, Yemin Wang, Bruce E Clurman, Celine Jacquemont, Philip R Gafken, Kaoru Sugasawa, Masafumi Saijo, Toshiyasu Taniguchi
Ultraviolet (UV) radiation is a carcinogen that generates DNA lesions. Here, we demonstrate an unexpected role for DGCR8, an RNA binding protein that canonically functions with Drosha to mediate microRNA processing, in the repair of UV-induced DNA lesions. Treatment with UV induced phosphorylation on serine 153 (S153) of DGCR8 in both human and murine cells. S153 phosphorylation was critical for cellular resistance to UV, the removal of UV-induced DNA lesions, and the recovery of RNA synthesis after UV exposure but not for microRNA expression...
April 4, 2017: Cell Reports
https://www.readbyqxmd.com/read/28369616/nap1l1-accelerates-activation-and-decreases-pausing-to-enhance-nucleosome-remodeling-by-csb
#20
Ju Yeon Lee, Robert J Lake, Jaewon Kirk, Vilhelm A Bohr, Hua-Ying Fan, Sungchul Hohng
Cockayne syndrome protein B (CSB) belongs to the SWI2/SNF2 ATP-dependent chromatin remodeler family, and CSB is the only ATP-dependent chromatin remodeler essential for transcription-coupled nucleotide excision DNA repair. CSB alone remodels nucleosomes ∼10-fold slower than the ACF remodeling complex. Strikingly, NAP1-like histone chaperones interact with CSB and greatly enhance CSB-mediated chromatin remodeling. While chromatin remodeling by CSB and NAP1-like proteins is crucial for efficient transcription-coupled DNA repair, the mechanism by which NAP1-like proteins enhance chromatin remodeling by CSB remains unknown...
May 5, 2017: Nucleic Acids Research
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