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https://www.readbyqxmd.com/read/28098510/dt-mri-microstructural-cortical-lesion-damage-does-not-explain-cognitive-impairment-in-ms
#1
Paolo Preziosa, Elisabetta Pagani, Maria E Morelli, Massimiliano Copetti, Vittorio Martinelli, Fiammetta Pirro, Andrea Falini, Giancarlo Comi, Massimo Filippi, Maria A Rocca
OBJECTIVE: We combined double inversion recovery (DIR) and diffusion tensor (DT) magnetic resonance imaging (MRI) to quantify the severity of cortical lesion (CL) microstructural tissue abnormalities in a large cohort of relapse-onset multiple sclerosis (MS) patients and its contribution to cognitive dysfunction. METHODS: DIR, DT, dual-echo, and three-dimensional (3D) T1-weighted scans were acquired from 149 MS patients and 40 controls. Cognitively impaired (CI) patients had ⩾2 abnormal neuropsychological tests...
January 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28098309/multi-shelled-ceria-hollow-spheres-with-a-tunable-shell-number-and-thickness-and-their-superior-catalytic-activity
#2
Yuanyuan Liao, Yuan Li, Lei Wang, Yongxia Zhao, Danyang Ma, Biqing Wang, Yongxia Wan, Shengliang Zhong
In this work, ceria multi-shelled nanospheres with a tunable shell number and thickness were prepared by a facile coordination polymer (CP) precursor method without the use of any template and surfactant. Interestingly, the number, thickness and structure of the shell can be tuned by varying the reaction time, reaction temperature, ratio of reagent and calcination temperature. The formation process of the multi-shelled hollow spheres was also investigated, which experienced a core contraction and shell separation process...
January 18, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28098294/co2-as-a-hydrogen-vector-transition-metal-diamine-catalysts-for-selective-hcooh-dehydrogenation
#3
Cornel Fink, Gábor Laurenczy
The homogeneous catalytic dehydrogenation of formic acid in aqueous solution provides an efficient in situ method for hydrogen production, under mild conditions, and at an adjustable rate. We synthesized a series of catalysts with the chemical formula [(Cp*)M(N-N')Cl] (M = Ir, Rh; Cp* = pentamethylcyclopentadienyl; N-N = bidentate chelating nitrogen donor ligands), which have been proven to be active in selective formic acid decomposition in aqueous media. The scope of the study was to examine the relationship between stability and activity of catalysts for formic acid dehydrogenation versus electronic and steric properties of selected ligands, following a bottom-up approach by increasing the complexity of the N,N'-ligands progressively...
January 18, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28097247/the-management-of-scoliosis-in-children-with-cerebral-palsy-a-review
#4
REVIEW
Thomas Cloake, Adrian Gardner
Children who suffer with cerebral palsy (CP) have a significant chance of developing scoliosis during their early years and adolescence. The behavior of this scoliosis is closely associated with the severity of the CP disability and unlike idiopathic scoliosis, it continues to progress beyond skeletal maturity. Conservative measures may slow the progression of the curve, however, surgery remains the only definitive management option. Advances in surgical technique over the last 50 years have provided methods to effectively treat the deformity while also reducing complication rates...
December 2016: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28096930/management-of-adult-concealed-penis-using-a-meshed-split-thickness-skin-graft
#5
Aaron Boonjindasup, Michael Pinsky, Carrie Stewart, Landon Trost, Abigail Chaffin, David Jansen, Wayne Hellstrom
INTRODUCTION: Concealed penis (CP) is a rare problem faced by urologists and plastic surgeons. CP occurs secondary to trauma, obesity, or infection. Surgical treatment is individualized and based on patient and provider variables. We aim to review our recent experience using meshed split-thickness skin grafting (STSG) for CP management. METHODS: A retrospective review was performed on patients who underwent STSG for CP at our institution. Records were reviewed for demographic, operative, and postoperative variables...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28096700/sequential-combination-chemotherapy-of-dacarbazine-dtic-with-carboplatin-and-paclitaxel-for-patients-with-metastatic-mucosal-melanoma-of-nasal-cavity-and-paranasal-sinuses
#6
W Omata, A Tsutsumida, K Namikawa, A Takahashi, K Oashi, N Yamazaki
By the recent introduction of molecular targeting drugs against BRAF mutation and immune checkpoint inhibitors, the prognosis of patients with melanoma in advanced stage is now improving, but still in the minority. Mucosal melanoma lacks the BRAF mutations, and hence conventional chemotherapeutic regimens must be improved. We have conventionally used dacarbazine (DTIC) for patients with metastatic mucosal melanoma. However, the efficacy of DTIC in patients with metastatic mucosal melanoma has been limited. Therefore, we explored other possibilities to improve the prognosis of patients suffering from metastatic mucosal melanoma...
2017: Clinical Medicine Insights. Case Reports
https://www.readbyqxmd.com/read/28096666/barriers-and-facilitators-influencing-self-management-among-copd-patients-a-mixed-methods-exploration-in-primary-and-affiliated-specialist-care
#7
Chantal F Hillebregt, Auke J Vlonk, Marc A Bruijnzeels, Onno Cp van Schayck, Niels H Chavannes
Self-management is becoming increasingly important in COPD health care although it remains difficult to embed self-management into routine clinical care. The implementation of self-management is understood as a complex interaction at the level of patient, health care provider (HCP), and health system. Nonetheless there is still a poor understanding of the barriers and effective facilitators. Comprehension of these determinants can have significant implications in optimizing self-management implementation and give further directions for the development of self-management interventions...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28095460/fecal-fat-analyses-in-chronic-pancreatitis-importance-of-fat-ingestion-before-stool-collection
#8
Friedemann Erchinger, Trond Engjom, Palwasha Jurmy, Erling Tjora, Odd Helge Gilja, Georg Dimcevski
OBJECTIVE: Quantitative determination of fecal fat still is the gold standard for measuring malabsorption. We evaluated the importance of standardized food intake before and under the collection of feces. MATERIAL AND METHODS: In a project, evaluating patients with suspected chronic pancreatitis (CP) and healthy volunteers (HC), stools were collected for 72 hours coupled to registration of nutritional intake over five consecutive days. Patient groups were created by a modified Layer score, which includes imaging findings, clinical parameters and pancreas function testing...
2017: PloS One
https://www.readbyqxmd.com/read/28094972/regioselective-construction-of-%C3%AE-%C3%AE-disubstituted-allylic-amines-by-the-ruthenium-catalyzed-allylic-amination-of-tertiary-allylic-acetates
#9
Shota Mizuno, Shou Terasaki, Toru Shinozawa, Motoi Kawatsura
The ruthenium-catalyzed regioselective allylic amination of tertiary allylic acetates with several types of amines has been accomplished. The reaction was effectively catalyzed by Cp*RuCl2/5,5'-dimethyl-2,2'-bipyridine or its related ruthenium catalyst systems, and α,α-disubstituted allylic amines were formed as a single regioisomer in moderate to high yields.
January 17, 2017: Organic Letters
https://www.readbyqxmd.com/read/28094910/activated-carbon-fiber-paper-based-electrodes-with-high-electrocatalytic-activity-for-vanadium-flow-batteries-with-improved-power-density
#10
Tao Liu, Xianfeng Li, Chi Xu, Huamin Zhang
Vanadium flow batteries (VFBs) have received high attention for large scale energy storage due to their advantages of flexibility design, long cycle life, high efficiency and high safety. However, commercial progress of VFBs has so far been limited by its high cost induced by its low power density. Ultrathin carbon paper is believed to be a very promising electrode for VFB since it illustrates super low ohmic polarization, however, is limited by its low electrocatalytic activity. In this paper, a kind of carbon paper (CP) with super high electrocatalytic activity was fabricated via a universal and simple CO2 activation method...
January 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28094881/children-with-motor-impairment-related-to-cerebral-palsy-prevalence-severity-and-concurrent-impairments-in-china
#11
Ping He, Gong Chen, Zhenjie Wang, Chao Guo, Xiaoying Zheng
AIM: Cerebral palsy (CP) is the most common cause of motor impairment in childhood. This study aimed to examine the prevalence, severity and concurrent impairments of CP-related motor impairment among Chinese children. METHODS: Children with CP-related motor impairment aged 0-17 years were identified through a national population-based survey based on World Health Organization International Classification of Functioning, Disability and Health. Logistic regression models allowing for weights were used to examine individual and family factors in relation to CP-related motor impairment...
January 17, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28094400/synthesis-of-3-azabicyclo-3-1-0-hexane-derivatives-via-palladium-catalyzed-cyclopropanation-of-maleimides-with-n-tosylhydrazones-practical-and-facile-access-to-cp-866-087
#12
Pengquan Chen, Chuanle Zhu, Rui Zhu, Zhiming Lin, Wanqing Wu, Huanfeng Jiang
A palladium-catalyzed cyclopropanation of internal alkenes with N-tosylhydrazones is presented. This gram-scale cyclopropanation reaction of maleimides provides a wide spectrum of 3-azabicyclo[3.1.0]hexane derivatives in high yields and diastereoselectivities. The major diastereoisomers could be easily isolated by chromatography on silica gel. This protocol provides a practical route to the mu opioid receptor antagonist CP-866,087.
January 17, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28094275/sulfated-cyclocarya-paliurus-polysaccharides-markedly-attenuates-inflammation-and-oxidative-damage-in-lipopolysaccharide-treated-macrophage-cells-and-mice
#13
Zhijun Wang, Jianhua Xie, Yujiao Yang, Fan Zhang, Shengnan Wang, Ting Wu, Mingyue Shen, Mingyong Xie
Natural polysaccharides and their modified derivatives are crucial supplements to the prevention of inflammation. This study aimed to evaluate the effect of sulfated modification on the anti-inflammatory and anti-oxidative activities of Cyclocarya paliurus polysaccharides (CP). A sulfated CP, S-CP1-4 was obtained using chlorosulfonic acid-pyridine method. The chemical components and FT-IR spectrum confirmed that sulfated group was synthesized to the polysaccharide chains successfully. S-CP1-4 was found to inhibit nitric oxide production, phagocytic activity and the release of interleukin (IL)-6 and IL-1β in lipopolysaccharide-treated macrophage cells, RAW 264...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28092566/wake-up-exoskeleton-to-assist-children-with-cerebral-palsy-design-and-preliminary-evaluation-in-level-walking
#14
Fabrizio Patane, Stefano Rossi, Fausto Del Sette, Juri Taborri, Paolo Cappa
This paper presents the modular design and control of a novel compliant lower limb multi-joint exoskeleton for the rehabilitation of ankle knee mobility and locomotion of pediatric patients with neurological diseases, such as Cerebral Palsy (CP). The device consists of an untethered powered knee-ankle-foot orthosis (KAFO), addressed as WAKE-up (Wearable Ankle Knee Exoskeleton), characterized by a position control and capable of operating synchronously and synergistically with the human musculoskeletal system...
January 11, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28091888/testing-the-cp-correction-procedure-with-different-dft-methods-on-h-bonding-complexes-of-%C3%AE%C2%BA-carrabiose-with-water-molecules
#15
Rachida Fodil, Majda Sekkal-Rahal, Adlane Sayede
Interaction of water molecules with κ-carrabiose disaccharide, within three H-bonding complexes, was investigated. Particular interest was focused on the way with which the BSSE correction has to be performed. Two strategies were used, either performing BSSE correction during or after optimization. For this aim, several DFT-functionals (hybrid GGA and hybrid meta-GGA) and 6-31 + G* basis set were considered. The results demonstrated the uselessness of including of BSSE-CP correction during optimization for all complexes...
January 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28091679/sustainability-of-renewable-fuel-infrastructure-a-screening-lca-case-study-of-anticorrosive-graphene-oxide-epoxy-liners-in-steel-tanks-for-the-storage-of-biodiesel-and-its-blends
#16
Govinda Chilkoor, Venkata K K Upadhyayula, Venkataramana Gadhamshetty, Nikhil Koratkar, Mats Tysklind
Biodiesel is a widely used fuel that meets the renewable fuel standards developed under the Energy Policy Act of 2005. However, biodiesel is known to pose a series of abiotic and biotic corrosion risks to storage tanks. A typical practice (incumbent system) used to protect the tanks from these risks include (i) coating the interior surface of the tank with a solvent-free epoxy (SFE) liner, and (ii) adding a biocide to the tank. Herein, we present a screening-level life-cycle assessment study to compare the environmental performance of a graphene oxide (GO)-epoxy (GOE) liner with the incumbent system...
January 16, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/28091648/efficient-synthesis-of-carborane-azo-derivatives-and-their-reactivity
#17
Yang Gao, Yue-Jian Lin, Ying-Feng Han, Guo-Xin Jin
An iridium(iii)-catalyzed C-N-bond-forming direct synthesis of carborane azo derivatives was developed. The reaction of o-carborane monocarboxylate with aryldiazonium salt in the presence of a catalytic amount of [Cp*IrCl2]2 and NaOAc in CH3CN at 80 °C gave the corresponding carborane azo derivative in good yield. A series of cyclometalated iridium/rhodium complexes that contain Cp*M-B (M = Ir, Rh) bonds, and are stabilised by the intramolecular coordination of nitrogen donors, were successfully isolated and structurally characterised...
January 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28091360/collagen-peptide-ingestion-alters-lipid-metabolism-related-gene-expression-and-the-unfolded-protein-response-in-mouse-liver
#18
Chisa Tometsuka, Yoh-Ichi Koyama, Tomoko Ishijima, Tsudoi Toyoda, Miki Teranishi, Kazushige Takehana, Keiko Abe, Yuji Nakai
Ingestion of collagen peptide (CP) elicits beneficial effects on the body, including improvement in blood lipid profiles, but the underlying mechanisms remain unclear. The purpose of this study was to investigate the effects of CP ingestion on the liver, which controls lipid metabolism in the body. Male BALB/cCrSlc mice were bred with the AIN-93M diet containing 14 % casein or the AIN-93M-based low-protein diet containing 10 % casein or a diet containing 6 % casein+4 % CP for 10 weeks (n 12/group). Total, free and esterified cholesterol levels in the blood decreased in the CP group...
January 16, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28090751/a-safety-checkpoint-to-eliminate-cancer-risk-of-the-immune-evasive-cells-derived-from-human-embryonic-stem-cells
#19
Jingjin He, Zhili Rong, Xuemei Fu, Yang Xu
Human embryonic stem cells (hESCs) hold great promise in the regenerative therapy of many currently untreatable human diseases. One of the key bottlenecks is the immune rejection of hESC-derived allografts by the recipient. To overcome this challenge, we have established new approaches to induce immune protection of hESC-derived allografts through the co-expression of immune suppressive molecules CTLA4-Ig and PD-L1. However, this in turn raises a safety concern of cancer risk because these hESC-derived cells can evade immune surveillance...
January 16, 2017: Stem Cells
https://www.readbyqxmd.com/read/28090366/bosutinib-therapy-in-patients-with-chronic-myeloid-leukemia-practical-considerations-for-management-of-side-effects
#20
REVIEW
Patricia S Ault, John Rose PharmD, Lisa A Nodzon PhD, Elizabeth S Kaled
The past decade has witnessed great advances in the treatment of chronic myeloid leukemia (CML), brought about in large part by the development of BCR-ABL tyrosine kinase inhibitors (TKIs). Bosutinib joins the armamentarium of approved TKIs for the treatment of chronic phase (CP), accelerated phase (AP), and blast phase (BP) Philadelphia chromosome (Ph)-positive CML resistant to or intolerant of prior therapy. Bosutinib has an adverse-event (AE) profile distinct from that of other TKIs. Diarrhea is the predominant toxicity associated with bosutinib treatment; other commonly reported nonhematologic AEs include rash and liver enzyme elevations...
March 2016: Journal of the Advanced Practitioner in Oncology
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