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PubMed/Medline, Embase and Cochrane databases for literature on nocturnal home hemodialysis in children with ESRD were extensively searched. Contrary to the noticeable literature available on adult home hemodialysis, a small number of studies exist in the pediatric population. In this review, the benefits, implementation and associated barriers of nocturnal home hemodialysis in children were addressed. © 2020 Wiley Periodicals, Inc.OBJECTIVES The objective of this study was to explore potential relationships between neonatal line (NNL) width and early life history variables such as maternal health, gestation, the birth process, and perinatal health. MATERIALS AND METHODS Histological thin sections of deciduous canines were studied from 71 children from the Avon Longitudinal Study of Parents and Children (ALSPAC). The width of the NNL was measured in three locations on the tooth crown using spatial mapping techniques (ArcGIS) from digital images from an Olympus VS-120 microscope. Life history variables were collected prospectively through a combination of clinical observations and questionnaires. RESULTS Infants born late term or post term had narrower neonatal lines than those born prematurely or at full term. Infants born in Autumn (September to November) had narrower NNLs than those born at other times of year. NNLs in infants born to mothers with hypertension were wider than those without. Infants resuscitated at birth or born to obese mothers had narrower NNLs than those that were not. There was no association between NNL width and either the type or duration of delivery. DISCUSSION The NNL in enamel is an irregular accentuated line, but the factors underlying its formation and width remain unclear. In contrast to some previous studies, we found no association between wider NNLs and long or difficult births. Instead, we found that the width of the neonatal line NNL varied in relation to parameters that reflected the prenatal environment and length of gestation. © 2020 Wiley Periodicals, Inc.The susceptibility of self-assembled materials to changes in environmental conditions and mechanical forces often limits their utility for many applications. selleck chemicals In this work, the surface of nanofibers formed by  β -sheet peptide self-assembly were coated by polydopamine (PDA) deposition. This conformal coating process rendered the nanofiber dimensions and internal  p -stacking chirality impervious to changes in pH, temperature and physical processing by spin-coating onto a silicon wafer. Whereas, sonication-induced shearing of the DA/NDI-KK composite irreversibly shortened the nanofibers into 100-200 nm segments, the uncoated nanofibers unravelled into single strands upon similar treatment. Additionally, the PDA coated nanofibers could be wrapped by an additional layer comprised of a positively, charged polyelectrolyte polymer. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.Dynamic covalent chemistry has rapidly become an important approach to access supramolecular structures. While the products generated in these reactions are held together by covalent bonds, the reversible nature of the transformations can limit the utility of many these systems in creating robust materials. We describe here a method to form stable and commonly employed amide bonds by exploiting the reversible coupling of imines and acyl chlorides. The reaction employs easily accessible reagents, is dynamic under ambient conditions, without catalysts, and can be trapped with simple hydrolysis. This offers an approach to create broad families of amide products under thermodynamic control, including the selective formation of amide macrocycles or polymers. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.Stroke can be a cause of death, while in non-fatal cases it is a common cause of various disabilities resulting from associated brain damage. However, whether a specific periodontal pathogen is associated with increased risk of unfavorable outcome after stroke remains unknown. We examined risk factors for unfavorable outcome following stroke occurrence, including serum antibody titers to periodontal pathogens. The enrolled cohort included 534 patients who had experienced an acute stroke, who were divided into favorable (n = 337) and unfavorable (n = 197) outcome groups according to modified ranking scale (mRS) score determined at 3 months after onset (favorable = score 0 or 1; unfavorable = score 2-6). The associations of risk factors with unfavorable outcome, including serum titers of IgG antibodies to 16 periodontal pathogens, were examined. Logistic regression analysis showed that the initial National Institutes of Health stroke scale score [odds ratio (OR) = 1·24, 95% confidence interval (CI) = 1·18-1·31, P  less then  0·001] and C-reactive protein (OR = 1·29, 95% CI = 1·10-1·51, P = 0·002) were independently associated with unfavorable outcome after stroke. Following adjustment with those, detection of the antibody for Fusobacterium nucleatum ATCC 10953 in serum remained an independent predictor of unfavorable outcome (OR = 3·12, 95% CI = 1·55-6·29, P = 0·002). Determination of the antibody titer to F. nucleatum ATCC 10953 in serum may be useful as a predictor of unfavorable outcome after stroke. © 2020 British Society for Immunology.The electronic structure and the photochemistry of copper formate clusters Cu(I)2(HCO2)3- and Cu(II)n(HCO2)2n+1-, n ≤ 8, are investigated in the gas phase using UV/Vis spectroscopy in combination with quantum chemical calculations. A clear difference in the spectra of clusters with Cu(I) and Cu(II) copper ions is observed. For the Cu(I) species, transitions between copper d and s/p orbitals are recorded. For stoichiometric Cu(II) formate clusters, the spectra are dominated by copper d-d transitions and charge transfer excitations from formate to the vacant copper d orbital. Calculations reveal the existence of several energetically low-lying isomers, and the energetic position of the electronic transitions depends strongly on the specific isomer. The oxidation state of the copper centers governs the photochemistry. In Cu(II)(HCO2)3-, fast internal conversion into the electronic ground state is observed, leading to statistical dissociation; for charge transfer excitations, specific excited state reaction channels are observed in addition, like formyl radical loss.