Synthesis of a Palladium Dimer Supported by a C-Bound Trifluoroacetonate Bridge Formed by Cleavage of a Hexafluoroacetylacetonate Ligand.

Palladium(II) hexafluoroacetylacetonate (Pd(Hfacac)) is known to form adducts of bases, such as lutidine (2,6-dimethylpyridine). When treated with approximately 3 equiv of lutidine, Pd(Hfacac) yields a 1:1 complex as reported in the literature, Pd(,-Hfacac)(-Hfacac)(lutidine), . However, when the amount of excess lutidine is increased, a new complex, , is formed.

Value of brain tissue oxygen saturation in neonatal respiratory distress syndrome: a clinical study.

Neonatal respiratory distress syndrome (NRDS) is one of the major causes of pre-term mortality and morbidity among very-low-birth-weight infants (VLBWI) in low- and middle-income countries (LMIC). Some of the neonates pass away despite admission and care in intensive care units (ICUs). The present clinical trial seeks the application value of elevating oxygen saturation in the brain cells of pre-term neonates born with NRDS.

Demyelination in the medial prefrontal cortex by withdrawal from chronic nicotine causes impaired cognitive memory.

Epidemiological studies revealed deficits in cognitive learning and memory in smokers who withdrawal from smoking, but the molecular mechanisms underlying it is unclear. Here, we employed the novel object recognition task (NORT) to evaluate cognitive memory and found impaired memory and motor skills after withdrawal from chronic nicotine. Myelin sheath hastens the conduction of signals along axons and thus plays a critical role in learning and memory.

Facile fabrication of FeO@Mg(OH) magnetic composites and their application in Cu(ii) ion removal.

In this study, we fabricated magnetic FeO@Mg(OH) composites through the seed deposition technique to achieve Cu(ii) ion removal from aqueous solutions. As indicated by the characterization results, three-dimensional flower-like spheres composed of external Mg(OH) were formed, with nano-FeO particles uniformly embedded in the "flower petals" of the spheres. The efficacy of FeO@Mg(OH)-3 in Cu(ii) ion removal was examined through batch experiments.

Field- and Temperature-Dependent Paramagnetic Relaxation Enhancements in Co(II) Trispyrazolylmethanes.

A comprehensive field- and temperature-dependent examination of nuclear magnetic resonance paramagnetic relaxation enhancements (PREs) for the constitutive protons of [Co(Tpm)][BF] is presented. Data for an apically substituted derivative clearly establish that bis-Tpm complexes of Co(II) undergo Jahn-Teller dynamics about the molecular threefold axis. PREs from the parent Tpm complex were used to numerically extract the electron relaxation times ().

Ginger (Zingiber officinale Roscoe) preparations for prophylaxis of postoperative nausea and vomiting: A Bayesian network meta-analysis.

Ethnopharmacological Relevance: Ginger has been proposed for prevention of postoperative nausea and vomiting (PONV), however it remains equivocal whether ginger can be an alternative option and which certain preparation is optimal for PONV prophylaxis.

Aim Of The Study: We conducted a network meta-analysis (NMA) to compare and rank relative efficacy for PONV control among all available ginger preparations collected in the databases.

Methods: Eligible records were identified by retrieving Medline (via Pubmed), Embase, Web of Science, CENTRAL, CNKI, WHO ICTRP and ClinicalTrials.

Mechanochemically accessing a challenging-to-synthesize depolymerizable polymer.

Polymers with low ceiling temperatures (T) are highly desirable as they can depolymerize under mild conditions, but they typically suffer from demanding synthetic conditions and poor stability. We envision that this challenge can be addressed by developing high-T polymers that can be converted into low-T polymers on demand. Here, we demonstrate the mechanochemical generation of a low-T polymer, poly(2,5-dihydrofuran) (PDHF), from an unsaturated polyether that contains cyclobutane-fused THF in each repeat unit.

Achiral Nanoparticle-Enhanced Chiral Twist and Thermal Stability of Blue Phase Liquid Crystals.

Blue phase liquid crystals (BPLCs) are chiral mesophases with 3D order, which makes them a promising template for doping nanoparticles (NPs), yielding tunable nanomaterials attractive for microlasers and numerous microsensor applications. However, doping NPs to BPLCs causes BP lattice extension, which translates to elongation of operating wavelengths of light reflection. Here, it is demonstrated that small (2.

Carbamazepine-induced immune thrombocytopenia confirmed by modified MASPAT test.

A 76-year-old man suffering post-herpetic neuralgia developed severe thrombocytopenia 15 days after the administration of carbamazepine. Carbamazepine-dependent platelet antibodies were proved to be present in the patient's serum by a modified Monoclonal Antibody Solid-phase Platelet Antibody Test (MASPAT), and the diagnosis of carbamazepine-induced immune thrombocytopenia was confirmed. For the patient, carbamazepine should be advised to be avoided permanently.

Uncertainty measurement of radiomics features against inherent quantum noise in computed tomography imaging.

Objectives: Quantum noise is a random process in X-ray-based imaging systems. We addressed and measured the uncertainty of radiomics features against this quantum noise in computed tomography (CT) images.

Methods: A clinical multi-detector CT scanner, two homogeneous phantom sets, and four heterogeneous samples were used.

Room-temperature processed high-quality SnO films by oxygen plasma activated e-beam evaporation.

Recently, SnO is considered to be one of the most promising materials as electron transport layer in perovskite solar cells (PSCs). Low-temperature processed SnO films are crucial for SnO-based PSCs and flexible devices. However, it is difficult to prepare stoichiometric SnO films by e-beam evaporation at low-temperature.

Spatial Variation in Bacterioplankton Communities in the Pearl River, South China: Impacts of Land Use and Physicochemical Factors.

River ecosystems are critical for human and environmental health, with bacterioplankton playing a vital role in biogeochemical cycles. Unveiling the spatial patterns of bacterioplankton communities in relation to environmental factors is important for understanding the processes of microbial variation and functional maintenance. However, our understanding of the correlations among bacterioplankton communities, physicochemical factors, and land use, especially in large rivers affected by intensive anthropogenic activities, remains relatively poor.

Stochastic determination of the spatial variation of potentially pathogenic bacteria communities in a large subtropical river.

Understanding the composition and assembly mechanism of waterborne pathogen is essential for preventing the pathogenic infection and protecting the human health. Here, based on 16S rRNA sequencing, we investigated the composition and spatial variation of potentially pathogenic bacteria from different sections of the Pearl River, the most important source of water for human in Southern China. The results showed that the potential pathogen communities consisted of 6 phyla and 64 genera, covering 11 categories of potential pathogens mainly involving animal parasites or symbionts (AniP), human pathogens all (HumPA), and intracellular parasites (IntCelP).

Comparative Analysis of Complete Mitochondrial Genomes of Three Fishes (Perciformes: Gerreidae) and Primary Exploration of Their Evolution History.

Mitochondrial genome is a powerful molecule marker to explore phylogenetic relationships and reveal molecular evolution in ichthyological studies. species play significant roles in marine fishery, but its evolution has received little attention. To date, only two mitochondrial genomes were reported.

Detection of membrane protein-protein interaction in planta based on dual-intein-coupled tripartite split-GFP association.

Despite the great interest in identifying protein-protein interactions (PPIs) in biological systems, only a few attempts have been made at large-scale PPI screening in planta. Unlike biochemical assays, bimolecular fluorescence complementation allows visualization of transient and weak PPIs in vivo at subcellular resolution. However, when the non-fluorescent fragments are highly expressed, spontaneous and irreversible self-assembly of the split halves can easily generate false positives.

Evaluation of automated systems for aminoglycosides and fluoroquinolones susceptibility testing for Carbapenem-resistant .

Background: Automated systems (MicroScan WalkAway 96 Plus, Phoenix 100, and Vitek 2 Compact) are widely used in clinical laboratories nowadays. The aim of this study is to evaluate the performance of these three systems for susceptibility testing of aminoglycosides and fluoroquinolones against Carbapenem-resistant (CRE).

Methods: A total of 75 CRE isolates were used in this study.

Factors Affecting Optimal Aortic Remodeling After Thoracic Endovascular Aortic Repair of Type B (IIIb) Aortic Dissection.

Purpose: The purpose of this study was to determine factors associated with entire aortic remodeling after thoracic endovascular aortic repair (TEVAR) in patients with type B dissection.

Materials And Methods: The patients with type B (IIIb) dissections who underwent TEVAR from 2006 to 2013 with minimum of 2 years of follow-up computed tomography data were retrospectively reviewed. Based on the status of false lumen remodeling of entire aorta, patients were divided into three groups: complete regression, total thrombosis, and inadequate regression with patent abdominal false lumen.

Implantation sequence modification averts distal stent graft-induced new entry after endovascular repair of Stanford type B aortic dissection.

Objective: This study investigated predisposing factors of distal stent graft-induced new entry (SINE).

Methods: Data from November 2006 to May 2012 were abstracted retrospectively from the records of 73 patients with complicated type B aortic dissection who had received stent graft treatment in our institution. Diameters of the true and false lumen, area and circumference of the true lumen, prestent and poststent oversize, taper, and mismatch ratio were recorded and analyzed to see if there were any significant differences between the SINE (n = 19) and non-SINE (n = 54) population and between those in whom the initial endograft was inserted from the proximal thoracic aorta (n = 49) or the distal thoracic aorta (n = 24).

Potential of marker selection to increase prediction accuracy of genomic selection in soybean ( L.).

Genomic selection is a promising molecular breeding strategy enhancing genetic gain per unit time. The objectives of our study were to (1) explore the prediction accuracy of genomic selection for plant height and yield per plant in soybean [ (L.) Merr.

Performance evaluation of three automated identification systems in detecting carbapenem-resistant Enterobacteriaceae.

Background: Carbapenem-resistant Enterobacteriaceae (CRE) is prevalent around the world. Rapid and accurate detection of CRE is urgently needed to provide effective treatment. Automated identification systems have been widely used in clinical microbiology laboratories for rapid and high-efficient identification of pathogenic bacteria.

Association between Aortic Remodeling and Stent Graft-Induced New Entry in Extensive Residual Type A Dissecting Aortic Aneurysm after Hybrid Arch Repair.

Background: This study evaluated sequential aortic morphologic remodeling and influencing factors between distal stent graft-induced new entry (SINE) in chronic residual type A dissecting aortic aneurysm after extensive hybrid arch repair.

Methods: We retrospectively analyzed operative and follow-up data of 30 consecutive patients with chronic residual type A aortic dissection aneurysm treated by hybrid type III arch repair (ascending aortic and arch replacement combined with elephant trunk technique before stent-graft deployment) between November 2006 and October 2011.

Results: In 3 years, follow-up of 24 patients with successful 1-stage hybrid arch repair and stent grafting.

Nickel ions from a corroded cardiovascular stent induce monocytic cell apoptosis: Proposed impact on vascular remodeling and mechanism.

Background/purpose: Monocytes play important roles in inflammatory responses and vascular remodeling after vascular stenting. This research focused on impacts of nickel (Ni) ions released from a corroded cardiovascular stent on cytotoxicity and monocyte activation.

Methods: A human promonocytic (macrophage-like) cell line (U937) was exposed to graduated concentrations of Ni(2+)in vitro.

Impact on outcomes by measuring tortuosity with reporting standards for thoracic endovascular aortic repair.

Objective: In this study, we assessed the association between the tortuosity of the thoracic aorta as measured by the reporting standards for thoracic endovascular aortic repair (TEVAR), described by the Society for Vascular Surgery, and midterm outcomes after TEVAR for atherosclerotic aneurysms.

Methods: We analyzed 77 consecutive patients who underwent TEVAR for atherosclerotic aneurysms from November 2006 through May 2013 in a single institution. The preoperative aortic tortuosity index (TI) was calculated by computed tomography aortography, and patients were divided into low-tortuosity (TI ≤ 1.

Concomitant Bentall operation plus aortic arch replacement surgery.

Background: The Bentall operation is recommended for thoracic aortic dissection or aneurysm involving the aortic root. However, if the lesion extends to the aortic arch, concomitant Bentall operation plus aortic arch replacement (CoBAAR) surgery is required. CoBAAR is challenging because of its complex cardiopulmonary procedure, prolonged cardiopulmonary bypass time, and demanding operative techniques.