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https://www.readbyqxmd.com/read/29334133/hierarchical-porous-nanosheets-constructed-by-graphene-coated-interconnected-tio2-nanoparticles-for-ultrafast-sodium-storage
#1
Baosong Li, Baojuan Xi, Zhenyu Feng, Yue Lin, Jincheng Liu, Jinkui Feng, Yitai Qian, Shenglin Xiong
Sodium-ion batteries (SIBs) are considered promising next-generation energy storage devices. However, a lack of appropriate high-performance anode materials has prevented further improvements. Here, a hierarchical porous hybrid nanosheet composed of interconnected uniform TiO2 nanoparticles and nitrogen-doped graphene layer networks (TiO2 @NFG HPHNSs) that are synthesized using dual-functional C3 N4 nanosheets as both the self-sacrificing template and hybrid carbon source is reported. These HPHNSs deliver high reversible capacities of 146 mA h g-1 at 5 C for 8000 cycles, 129 mA h g-1 at 10 C for 20 000 cycles, and 116 mA h g-1 at 20 C for 10 000 cycles, as well as an ultrahigh rate capability up to 60 C with a capacity of 101 mA h g-1 ...
January 15, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29333629/surface-engineering-for-extremely-enhanced-charge-separation-and-photocatalytic-hydrogen-evolution-on-g-c3-n4
#2
Yu Yu, Wei Yan, Xiaofang Wang, Pei Li, Wenyu Gao, Haihan Zou, Songmei Wu, Kejian Ding
Reinforcing the carrier separation is the key issue to maximize the photocatalytic hydrogen evolution (PHE) efficiency of graphitic carbon nitride (g-C3 N4 ). By a surface engineering of gradual doping of graphited carbon rings within g-C3 N4 , suitable energy band structures and built-in electric fields are established. Photoinduced electrons and holes are impelled into diverse directions, leading to a 21-fold improvement in the PHE rate.
January 15, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29333031/a-case-of-multifocal-eosinophilic-granuloma-involving-spine-and-pelvis-in-a-young-adult-a-radiopathological-correlation
#3
Santosh Rai, H B Sridevi, Radha R Pai, Pulastya Sanyal
We present a case of multiple osteolytic lesions in a 28-year-old adult who presented with headache, back pain, and hip pain of 6 months. There was no history of localized swelling or rise of temperature, no history of weight loss or evening rise of temperature. On examination, there were no focal neurological deficits. Routine laboratory investigations, including total leukocyte counts, differential leukocyte counts, hemoglobin, and platelet counts, were within normal limits. There was a borderline elevation of erythrocyte sedimentation rate...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29332930/bullosis-diabeticorum-a-rare-presentation-with-immunoglobulin-g-igg-deposition-related-vasculopathy-case-report-and-focused-review
#4
Hardik Sonani, Sohail Abdul Salim, Vishnu V Garla, Anna Wile, Venkataraman Palabindala
BACKGROUND Bullosis diabeticorum (BD) is a condition characterized by recurrent, spontaneous, and non-inflammatory blistering in patients with poorly controlled diabetes mellitus. While etiopathogenesis remains unclear, roles of neuropathy, vasculopathy and UV light are hypothesized. Most literature reports negative direct and indirect immunofluorescence findings in diabetics with bullous eruptions. Porphyria cutanea tarda, bullous pemphigoid, epidermolysis bullosa, and pseudoporphyria are other differential diagnoses of bullous lesions, and they must be excluded...
January 15, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29331969/temporal-trends-in-antithrombotic-treatment-of-real-world-uk-patients-with-newly-diagnosed-atrial-fibrillation-findings-from-the-garfield-af-registry
#5
Patricia N Apenteng, Haiyan Gao, Fd Richard Hobbs, David A Fitzmaurice
OBJECTIVE: To investigate evolving patterns in antithrombotic treatment in UK patients with newly diagnosed non-valvular atrial fibrillation (AF). DESIGN: Prospective, multicentre, international registry. SETTING: 186 primary care practices in the UK. PARTICIPANTS: 3482 participants prospectively enrolled in four sequential cohorts (cohort 2 (C2) n=830, diagnosed September 2011 to April 2013; cohort 3 (C3) n=902, diagnosed April 2013 to June 2014; cohort 4 (C4) n=850, diagnosed July 2014 to June 2015; cohort 5 (C5) n=900, diagnosed June 2015 to July 2016)...
January 13, 2018: BMJ Open
https://www.readbyqxmd.com/read/29331477/atypical-presentation-of-pregnancy-related-hemolytic-uremic-syndrome
#6
Salim Baghli, Catherine Abendroth, Umar Farooq, Jennifer A Schaub
The cause of acute kidney injury during pregnancy and in the postpartum period can be particularly challenging to diagnose, especially when it is necessary to differentiate among preeclampsia; eclampsia; hemolysis, elevated liver enzymes and low platelets (HELLP) syndrome; and thrombotic microangiopathies (TMAs). All these disease entities can present with kidney failure, microangiopathic hemolytic anemia, and thrombocytopenia. We present a teaching case of atypical hemolytic uremic syndrome in the postpartum period in a young woman who was found to have mutations of uncertain clinical significance in the complement cascade, including in C3, CFH, and CFI...
January 10, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29330570/open-door-laminoplasty-what-can-the-unilateral-approach-offer
#7
REVIEW
R Kothe, G Schmeiser, L Papavero
OBJECTIVE: Multilevel posterior decompression of subaxial cervical spinal canal stenosis through a less-invasive unilateral approach. INDICATIONS: Degenerative cervical myelopathy due to multilevel subaxial spinal canal stenosis. CONTRAINDICATIONS: Cervical kyphosis or instability, bilateral radiculopathy due to foraminal stenosis, involvement of C2 or C7. SURGICAL TECHNIQUE: Unilateral subaxial approach with detachment of muscles only on one side...
January 12, 2018: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/29330518/spartina-alterniflora-invasion-affects-soil-carbon-in-a-c3-plant-dominated-tidal-marsh
#8
Min Wang, Qing Wang, Chenyan Sha, Jiakuan Chen
The carbon cycle is significantly affected by Spartina alterniflora invasion through its impact on blue carbon in many salt marshes. To determine the impacts on soil organic carbon (SOC), we studied the vertical and horizontal distribution of SOC. And stable carbon isotopes were used to explore the impact of the age of S. alterniflora invasion on SOC in Chongming Dongtan wetland located in the Yangtze River estuary, China. The results showed that the SOC concentration was higher in the S. alterniflora community than that in the native Phragmites australis community...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330341/biomechanics-of-coupled-motion-in-the-cervical-spine-during-simulated-whiplash-in-patients-with-pre-existing-cervical-or-lumbar-spinal-fusion-a-finite-element-study
#9
H Huang, R W Nightingale, A B C Dang
OBJECTIVES: Loss of motion following spine segment fusion results in increased strain in the adjacent motion segments. However, to date, studies on the biomechanics of the cervical spine have not assessed the role of coupled motions in the lumbar spine. Accordingly, we investigated the biomechanics of the cervical spine following cervical fusion and lumbar fusion during simulated whiplash using a whole-human finite element (FE) model to simulate coupled motions of the spine. METHODS: A previously validated FE model of the human body in the driver-occupant position was used to investigate cervical hyperextension injury...
January 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29329521/treating-c3-glomerulopathy-with-eculizumab
#10
Thomas Welte, Frederic Arnold, Julia Kappes, Maximilian Seidl, Karsten Häffner, Carsten Bergmann, Gerd Walz, Elke Neumann-Haefelin
BACKGROUND: C3 glomerulopathy (C3G) is a rare, but severe glomerular disease with grim prognosis. The complex pathogenesis is just unfolding, and involves acquired as well as inherited dysregulation of the alternative pathway of the complement cascade. Currently, there is no established therapy. Treatment with the C5 complement inhibitor eculizumab may be a therapeutic option. However, due to rarity of the disease, parameters predicting treatment response remain largely unknown. METHODS: Seven patients with C3G (five with C3 glomerulonephritis and two with dense deposit disease) were treated with eculizumab...
January 12, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29329518/the-use-of-eculizumab-in-gemcitabine-induced-thrombotic-microangiopathy
#11
Vinod Krishnappa, Mohit Gupta, Haikoo Shah, Abhijit Das, Natthavat Tanphaichitr, Robert Novak, Rupesh Raina
BACKGROUND: Thrombotic microangiopathy (TMA) secondary to gemcitabine therapy (GiTMA) is a very rare pathology that carries a poor prognosis, with nearly half of the cases progressing to end stage renal disease. GiTMA is most commonly associated with adenocarcinomas, most notably pancreatic cancers. The mainstay of management is withdrawal of the offending drug and supportive care. Plasmapheresis has a limited role and hemodialysis may help in the management of fluid overload secondary to renal failure...
January 12, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29329037/phloem-function-a-key-to-understanding-and-manipulating-plant-responses-to-rising-atmospheric-co2
#12
REVIEW
Elizabeth A Ainsworth, Pauline Lemonnier
Increasing atmospheric carbon dioxide concentration ([CO2]) directly stimulates photosynthesis and reduces stomatal conductance in C3 plants. Both of these physiological effects have the potential to alter phloem function at elevated [CO2]. Recent research has clearly established that photosynthetic capacity is correlated to vascular traits associated with phloem loading and water transport, but the effects of elevated [CO2] on these relationships are largely unexplored. Plants also employ different strategies for loading sucrose and other sugars into the phloem, and there is potential for species with different phloem loading strategies to respond differently to elevated [CO2]...
January 9, 2018: Current Opinion in Plant Biology
https://www.readbyqxmd.com/read/29329000/synthesis-of-c3-neoglycosides-of-digoxigenin-and-their-anticancer-activities
#13
Xiao-San Li, Yi-Chang Ren, Yu-Zhou Bao, Jie Liu, Xiao-Kun Zhang, You-Wei Zhang, Xue-Long Sun, Xin-Sheng Yao, Jin-Shan Tang
Cardiac glycosides exhibit significant anticancer effects and the glycosyl substitution at C3 position of digoxigenin is pivotal for their biological activity. In order to study the structure-activity relationship (SAR) of cardiac glycosides toward cancers and explore more potent anticancer agents, a series of C3-O-neoglycosides and C3-MeON-neoglycosides of digoxigenin were synthesized by the Koenigs-Knorr and neoglycosylation method, respectively. In addition, digoxigenin bisdigitoxoside and monodigitoxoside were prepared from digoxin by sodium periodate (NaIO4) oxidation and 6-aminocaproic acid hydrolysis...
January 2, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29328532/population-genomic-footprints-of-host-adaptation-introgression-and-recombination-in-coffee-leaf-rust
#14
Diogo Nuno Silva, Vítor Várzea, Octávio Salgueiro Paulo, Dora Batista
Coffee Leaf Rust, caused by Hemileia vastatrix (Hv), represents the biggest threat to coffee production worldwide and ranks amongst the most serious fungal diseases in history. Despite a recent series of outbreaks and emergence of hyper-virulent strains, the population evolutionary history and potential of this pathogen remains poorly understood. To address this issue, we used RADseq to generate ∼19,000 SNPs across a worldwide collection of 37 Hv samples. Contrarily to the longstanding idea that Hv represents a genetically unstructured and cosmopolitan species, our results reveal the existence of a cryptic species complex with marked host tropism...
January 12, 2018: Molecular Plant Pathology
https://www.readbyqxmd.com/read/29327931/bastimolide-b-an-antimalarial-24-membered-marine-macrolide-possessing-a-tert-butyl-group
#15
Chang-Lun Shao, Xiao-Feng Mou, Fei Cao, Carmenza Spadafora, Evgenia Glukhov, Lena Gerwick, Chang-Yun Wang, William H Gerwick
We reported previously the discovery of the potent antimalarial 40-membered macrolide bastimolide A (1) from the tropical marine cyanobacterium Okeania hirsute. Continued investigation has led to the discovery of a new analogue, bastimolide B (2), a 24-membered polyhydroxy macrolide with a long aliphatic chain and unique terminal tert-butyl group. Its complete structure was determined by a combination of extensive spectroscopic methods and comparative analysis of its methanolysis products with those of bastimolide A...
January 12, 2018: Journal of Natural Products
https://www.readbyqxmd.com/read/29327558/-modified-osteotomy-of-olecranon-for-the-management-of-inter-condylar-fracture-of-the-humerus
#16
Zheng-Feng Mei, Wen-Tao Lei, Dong-Hui Huang, Qi-Hui Zhao, Hang-Bo Qu, Lian-Zhi Ni
OBJECTIVE: To explore the surgical method and clinical outcome of modified osteotomy of olecranon for the treatment of inter-condylar fracture of humerus. METHODS: From May 2007 to December 2012, 32 patients of intercondylar fracture of humerus were treated surgically through the approach of modified osteotomy of olecranon. The patients were 21 males and 11 females with a mean age of 46.3 years (ranged 18 to 65 years). Nineteen fractures occurred on the right extremity and 13 on the left extremity...
January 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29327192/towards-a-better-control-of-the-wastewater-treatment-process-excitation-emission-matrix-fluorescence-spectroscopy-of-dissolved-organic-matter-as-a-predictive-tool-of-soluble-bod5-in-influents-of-six-parisian-wastewater-treatment-plants
#17
Angélique Goffin, Sabrina Guérin, Vincent Rocher, Gilles Varrault
The online monitoring of dissolved organic matter (DOM) in raw sewage water is expected to better control wastewater treatment processes. Fluorescence spectroscopy offers one possibility for both the online and real-time monitoring of DOM, especially as regards the DOM biodegradability assessment. In this study, three-dimensional fluorescence spectroscopy combined with a parallel factor analysis (PARAFAC) has been investigated as a predictive tool of the soluble biological oxygen demand in 5 days (BOD5) for raw sewage water...
January 11, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29327071/diseases-of-complement-dysregulation-an-overview
#18
REVIEW
Edwin K S Wong, David Kavanagh
Atypical hemolytic uremic syndrome (aHUS), C3 glomerulopathy (C3G), and paroxysmal nocturnal hemoglobinuria (PNH) are prototypical disorders of complement dysregulation. Although complement overactivation is common to all, cell surface alternative pathway dysregulation (aHUS), fluid phase alternative pathway dysregulation (C3G), or terminal pathway dysregulation (PNH) predominates resulting in the very different phenotypes seen in these diseases. The mechanism underlying the dysregulation also varies with predominant acquired autoimmune (C3G), somatic mutations (PNH), or inherited germline mutations (aHUS) predisposing to disease...
January 11, 2018: Seminars in Immunopathology
https://www.readbyqxmd.com/read/29326769/osteoradionecrosis-in-subaxial-cervical-spine-a-rare-and-devastating-complication-a-case-report
#19
M Z Rashid, M H Ariffin, S A Rhani, A Baharudin, K Ibrahim
Osteoradionecrosis, a rare complication of radiation therapy, is a slow progression disease which affects the surrounding structures of spinal components. It essentially weakens the soft tissue and bony configuration and can cause nerve impingement or cord compression. We describe a patient who underwent radiotherapy for thyroid cancer and presented with cervical kyphosis with anterolisthesis of C3/C4 and C4/C5 some 32 years later. We explore the role of anterior and posterior fusion, as well as hyperbaric oxygen therapy in promoting healing...
November 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/29326307/mycophenolate-mofetil-in-combination-with-steroids-for-treatment-of-c3-glomerulopathy-a-case-series
#20
Rupali S Avasare, Pietro A Canetta, Andrew S Bomback, Maddalena Marasa, Yasar Caliskan, Yasemin Ozluk, Yifu Li, Ali G Gharavi, Gerald B Appel
BACKGROUND AND OBJECTIVES: C3 glomerulopathy is a form of complement-mediated GN. Immunosuppressive therapy may be beneficial in the treatment of C3 glomerulopathy. Mycophenolate mofetil is an attractive treatment option given its role in the treatment of other complement-mediated diseases and the results of the Spanish Group for the Study of Glomerular Diseases C3 Study. Here, we study the outcomes of patients with C3 glomerulopathy treated with steroids and mycophenolate mofetil. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a retrospective chart review of patients in the C3 glomerulopathy registry at Columbia University and identified patients treated with mycophenolate mofetil for at least 3 months and follow-up for at least 1 year...
January 11, 2018: Clinical Journal of the American Society of Nephrology: CJASN
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