keyword
MENU ▼
Read by QxMD icon Read
search

O

keyword
https://www.readbyqxmd.com/read/28927241/physical-activity-maintenance-and-metabolic-risk-in-adolescents
#1
Danilo R Silva, André O Werneck, Paul J Collings, Rômulo A Fernandes, Décio S Barbosa, Enio R V Ronque, Luís B Sardinha, Edilson S Cyrino
Aim: Examine the association between child and adolescent physical activity maintenance categories and metabolic profile in adolescence. Methods: This cross-sectional study was conducted with 1152 adolescents (57.4% female) aged 10-16 years from Londrina, Brazil. Physical activity was self-reported in childhood (7-10 years old, retrospective data) and adolescence through questionnaires. Cardiorespiratory fitness (20 m shuttle-run test), body fat (skinfolds), waist circumference, blood pressure (automatic instrument) and blood variables (fasting glucose, HDL-cholesterol and triglycerides) were measured at adolescence...
August 30, 2017: Journal of Public Health
https://www.readbyqxmd.com/read/28927206/preoperative-magnetic-resonance-and-intraoperative-computed-tomography-fusion-for-real-time-neuronavigation-in-intramedullary-lesion-surgery
#2
Francesco Costa, Alessandro Ortolina, Andrea Cardia, Marco Riva, Martina Revay, Guido Pecchioli, Carla Daniela Anania, Francesco Asteggiano, Maurizio Fornari
BACKGROUND: Image-guided surgery techniques in spinal surgery are usually based upon fluoroscopy or computed tomography (CT) scan, which allow for a real-time navigation of bony structures, though not of neural structures and soft tissue remains. OBJECTIVE: To verify the effectiveness and efficacy of a novel technique of imaging merging between preoperative magnetic resonance imaging (MRI) and intraoperative CT scan during removal of intramedullary lesions. METHODS: Ten consecutive patients were treated for intramedullary lesions using a navigation system aid...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28927176/permanent-work-disability-in-patients-%C3%A2-50-years-old-after-percutaneous-coronary-intervention-and-coronary-artery-bypass-grafting-the-crags-study
#3
Anna Lautamäki, Jarmo M Gunn, Kari Eino Juhani Airaksinen, Fausto Biancari, Olli A Kajander, Vesa Anttila, Jouni Heikkinen, Markku Eskola, Erkki Ilveskoski, Ari Mennander, Kari Korpilahti, Jan-Ola Wistbacka, Tuomas O Kiviniemi
Background: The aim of this study was to investigate the incidence of permanent working disability (PWD) in young patients after percutaneous or surgical coronary revascularization. Methods and Results: The study included 1035 consecutive patients ≤50 years old who underwent coronary revascularization [910 and 125 patients in percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) groups, respectively] between 2002 and 2012 at 4 Finnish hospitals...
April 1, 2017: European Heart Journal. Quality of Care & Clinical Outcomes
https://www.readbyqxmd.com/read/28927148/association-of-abo-blood-groups-with-von-willebrand-factor-factor-viii-and-adamts-13-in-patients-with-lung-cancer
#4
Xia Liu, Xiaogang Chen, Jiezuan Yang, Renyong Guo
Coagulative and fibrinolytic disorders appear to be associated with the development of lung cancer. The aim of the present study was to determine plasma levels of von Willebrand factor (VWF) and a disintegrin and metalloproteinase with a thrombospondin type 1 motif 13 (ADAMTS-13), and factor VIII (FVIII) activity, in association with O and non-O blood groups in patients with lung cancer. Plasma levels of VWF and ADAMTS-13, and FVIII activity were measured in 115 patients with lung cancer and 98 healthy subjects...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927117/salvia-miltiorrhiza-extract-inhibits-tpa-induced-mmp-9-expression-and-invasion-through-the-mapk-ap-1-signaling-pathway-in-human-breast-cancer-mcf-7-cells
#5
Jeong-Mi Kim, Eun-Mi Noh, Hyun-Kyung Song, Minok Lee, Soo Ho Lee, Sueng Hyuk Park, Chan-Keun Ahn, Guem-San Lee, Eui-Baek Byun, Beom-Su Jang, Kang-Beom Kwon, Young-Rae Lee
Cancer cell invasion is crucial for metastasis. A major factor in the capacity of cancer cell invasion is the activation of matrix metalloproteinase-9 (MMP-9), which degrades the extracellular matrix. Salvia miltiorrhiza has been used as a promotion for blood circulation to remove blood stasis. Numerous previous studies have demonstrated that S. miltiorrhiza extracts (SME) decrease lipid levels and inhibit inflammation. However, the mechanism behind the effect of SME on breast cancer invasion has not been identified...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927098/notch-1-is-a-valuable-therapeutic-target-against-cell-survival-and-proliferation-in-clear-cell-renal-cell-carcinoma
#6
Zhiming Zhuang, Jiangui Lin, Yiqun Huang, Tianqi Lin, Zhouda Zheng, Xudong Ma
Notch 1 is a key component of the Notch pathway, which performs a crucial role in clear cell renal cell carcinoma (CCRCC) development. The present study aimed to investigate whether Notch 1 could serve as a potential target for CCRCC treatment. Firstly, an association analysis was performed using 52 CCRCC cases and 30 normal controls. The results indicated that Notch 1 protein expression in renal tissues was closely associated with the incidence of CCRCC. In addition, higher Notch 1 expression in CCRCC tissues was positively associated with higher tumor-node-metastasis stage and Fuhrman grade, in addition to larger tumor size...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927090/downregulation-of-pdcd4-by-mir-21-suppresses-tumor-transformation-and-proliferation-in-a-nude-mouse-renal-cancer-model
#7
Haixin Yuan, Shiyong Xin, Yaoping Huang, Yingfan Bao, Hao Jiang, Liqing Zhou, Xiaoqiang Ren, Liang Li, Qian Wang, Jianguo Zhang
Programmed cell death 4 (PDCD4) is known to suppress neoplastic transformation, cell proliferation and metastasis, and to be downregulated by microRNA-21 (miR-21) in renal cell carcinoma (RCC) cell lines and tissues. The aim of the present study was to investigate the roles of and association between PDCD4 and miR-21 in a nude mouse renal cancer model. A total of 24 BALB/c male nude mice were randomly assigned into the following three groups: Negative control (NC; n=8), miR-21 inhibitor (n=8) and miR-21 mimic (n=8)...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927020/stable-carbon-isotope-composition-of-the-lipids-in-natural-ophiocordyceps-sinensis-from-major-habitats-in-china-and-its-substitutes
#8
Lian-Xian Guo, Xiao-Ming Xu, Yue-Hui Hong, Yan Li, Jiang-Hai Wang
Ophiocordyceps sinensis is one rare medicinal fungus produced in the Qinghai-Tibetan Plateau. Its quality and price varies hugely with different habitat, and its numerous substitutes have sprung up in functional food markets. This paper aims to discriminate the geographic origin of wild O. sinensis and its substitutes via element analyzer-isotope ratio mass spectrometry and gas chromatography-isotope ratio mass spectrometry. The δ(13)C values of major fatty acids in the lipids of O. sinensis are characterized unanimously by the variation relation C18:0 < C18:2 ≈ C16:0 < C18:1, while their fluctuation intervals are notably different between those of neutral and polar lipids...
September 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28927005/mediatorless-impedance-studies-with-titanium-dioxide-conjugated-gold-nanoparticles-for-hydrogen-peroxide-detection
#9
Nur Hamidah Abdul Halim, Yook Heng Lee, Radha Swathe Priya Malon Marugan, Uda Hashim
An impedimetric-based biosensor constructed using gold nanoparticles (AuNP) entrapped within titanium dioxide (TiO₂) particles for hydrogen peroxide (H₂O₂) detection is the main feature of this research. The matrix of the biosensor employed the surface of TiO₂, which was previously modified with an amine terminal group using 3-Aminopropyltriethoxysilane (APTS) at a low temperature to create a ready to immobilise surface for the biosensor application. Hemoglobin (Hb), which exhibits peroxidase-like activity, was used as the bioreceptor in the biosensor to detect H₂O₂ in solution...
September 18, 2017: Biosensors
https://www.readbyqxmd.com/read/28927004/large-electrocaloric-effect-in-lead-free-ba0-85ca0-15-zr0-1ti0-9-o%C3%A2-ceramics-prepared-via-citrate-route
#10
Jing Shi, Rongfeng Zhu, Xing Liu, Bijun Fang, Ningyi Yuan, Jianning Ding, Haosu Luo
The 1 wt % Li-doped (Ba0.85Ca0.15)(Zr0.1Ti0.9)O₃ (BCZT-Li) ceramics prepared by the citrate method exhibit improved phase purity, densification and electrical properties, which provide prospective possibility to develop high-performance electrocaloric materials. The electrocaloric effect was evaluated by phenomenological method, and the BCZT-Li ceramics present large electrocaloric temperature change ∆T, especially large electrocaloric responsibility ξ = ∆Tmax/∆Emax, which can be comparable to the largest values reported in the lead-free piezoelectric ceramics...
September 18, 2017: Materials
https://www.readbyqxmd.com/read/28926978/fabrication-of-magnetic-nanofibers-by-needleless-electrospinning-from-a-self-assembling-polymer-ferrofluid-cone-array
#11
Weilong Huang, Bin Liu, Zhipeng Chen, Hongjian Wang, Lei Ren, Jiaming Jiao, Lin Zhuang, Jie Luo, Lelun Jiang
Magnetic nanofiber has been widely applied in biomedical fields due to its distinctive size, morphology, and properties. We proposed a novel needleless electrospinning method to prepare magnetic nanofibers from the self-assembling "Taylor cones" of poly(vinyl pyrrolidone) (PVP)/Fe₃O₄ ferrofluid (PFF) under the coincident magnetic and electric fields. The results demonstrated that a static PFF Rosensweig instability with a conical protrusion could be obtained under the magnetic field. The tip of the protrusion emitted an electrospinning jet under the coincident magnetic and electric fields...
September 17, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28926970/proteomic-characterization-of-armillaria-mellea-reveals-oxidative-stress-response-mechanisms-and-altered-secondary-metabolism-profiles
#12
Cassandra Collins, Rachel Hurley, Nada Almutlaqah, Grainne O'Keeffe, Thomas M Keane, David A Fitzpatrick, Rebecca A Owens
Armillaria mellea is a major plant pathogen. Yet, the strategies the organism uses to infect susceptible species, degrade lignocellulose and other plant material and protect itself against plant defences and its own glycodegradative arsenal are largely unknown. Here, we use a combination of gel and MS-based proteomics to profile A. mellea under conditions of oxidative stress and changes in growth matrix. 2-DE and LC-MS/MS were used to investigate the response of A. mellea to H₂O₂ and menadione/FeCl₃ exposure, respectively...
September 17, 2017: Microorganisms
https://www.readbyqxmd.com/read/28926959/a-new-erythrinan-alkaloid-glycoside-from-the-seeds-of-erythrina-crista-galli
#13
Qing-Wei Tan, Jian-Cheng Ni, Pei-Hua Fang, Qi-Jian Chen
A new Erythrina alkaloid glycoside, named erythraline-11β-O-glucopyranoside, was isolated from the seeds of Erythrina crista-galli L., together with five known Erythrina alkaloids and an indole alkaloid. The structure of the new alkaloid glycoside was elucidated by spectroscopic methods, and all of the compounds were evaluated for their antiviral activity against tobacco mosaic virus.
September 16, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28926933/itraq-based-quantitative-proteomic-analysis-reveals-cold-responsive-proteins-involved-in-leaf-senescence-in-upland-cotton-gossypium-hirsutum-l
#14
Xuewei Zheng, Shuli Fan, Hengling Wei, Chengcheng Tao, Qiang Ma, Qifeng Ma, Siping Zhang, Hongbin Li, Chaoyou Pang, Shuxun Yu
Premature leaf senescence occurs in the ultimate phase of the plant, and it occurs through a complex series of actions regulated by stress, hormones and genes. In this study, a proteomic analysis was performed to analyze the factors that could induce premature leaf senescence in two cotton cultivars. We successfully identified 443 differential abundant proteins (DAPs) from 7388 high-confidence proteins at four stages between non-premature senescence (NS) and premature senescence (PS), among which 158 proteins were over-accumulated, 238 proteins were down-accumulated at four stages, and 47 proteins displayed overlapped accumulation...
September 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28926919/co-pyrolysis-of-lignocellulosic-biomass-and-microalgae-products-characteristics-and-interaction-effect
#15
Wei Chen, Yingquan Chen, Haiping Yang, Mingwei Xia, Kaixu Li, Xu Chen, Hanping Chen
Co-pyrolysis of biomass has a potential to change the quality of pyrolytic bio-oil. In this work, co-pyrolysis of bamboo, a typical lignocellulosic biomass, and Nannochloropsis sp. (NS), a microalgae, was carried out in a fixed bed reactor at a range of mixing ratio of NS and bamboo, to find out whether the quality of pyrolytic bio-oil was improved. A significant improvement on bio-oil after co-pyrolysis of bamboo and NS was observed that bio-oil yield increased up to 66.63wt% (at 1:1) and the content of long-chain fatty acids in bio-oil also dramatically increased (the maximum up to 50...
September 6, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28926895/-clinical-utility-study-of-21-gene-assay-in-927-chinese-patients-with-early-breast-cancer
#16
J Y Wu, Y Fang, L Lin, Y Zong, X S Chen, O Huang, J R He, L Zhu, W G Chen, Y F Li, K W Shen
Objective: To investigate the distribution patterns of 21-gene assay and its influencing factors in Chinese patients with early breast cancer. Methods: Nine hundred and twenty-seven early breast cancer patients were retrospectively recruited from January 2009 to December 2015 at Ruijin Hospital, Shanghai Jiaotong University School of Medicine. The 21-gene reverse transcriptase-polymerase chain reaction(RT-PCR) assay were conducted in paraffin-embedded tumor tissues to calculate the Recurrence Score(RS). Immunohistochemistry(IHC) assay was used to measure the expression levels of estrogen receptor(ER), progesterone receptor(PR) and Ki-67...
September 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28926838/why-do-students-engage-in-elective-courses-on-acupuncture-and-homeopathy-at-medical-school-a-survey
#17
Alexandra Jocham, Pascal O Berberat, Antonius Schneider, Klaus Linde
No abstract text is available yet for this article.
September 21, 2017: Complementary Medicine Research
https://www.readbyqxmd.com/read/28926823/preparation-characterization-and-application-of-urease-nanoparticles-for-construction-of-an-improved-potentiometric-urea-biosensor
#18
Seema Jakhar, C S Pundir
The nanoparticles (NPs) aggregates of commercial urease from jack beans (Canavalia ensiformis) were prepared by desolvation and glutaraldehyde crosslinking and functionalized by cysteamine dihydrochloride. These enzyme nanoparticles (ENPs) were characterized by transmission electron microscopy (TEM), UV and Fourier transform infrared (FTIR) spectroscopy. The TEM images of urease NPs showed their size in the range, 18-100nm with an average of 51.2nm. The ENPs were more active and stable with a longer shelf life than native enzyme molecules...
September 6, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28926813/risk-assessment-to-groundwater-of-pit-latrine-rural-sanitation-policy-in-developing-country-settings
#19
Jan O Back, Michael O Rivett, Laura B Hinz, Nyree Mackay, Gift J Wanangwa, Owen L Phiri, Chrispine Emmanuel Songola, Mavuto A S Thomas, Steve Kumwenda, Muthi Nhlema, Alexandra V M Miller, Robert M Kalin
Parallel global rise in pit-latrine sanitation and groundwater-supply provision is of concern due to the frequent spatial proximity of these activities. Study of such an area in Malawi has allowed understanding of risks posed to groundwater from the recent implementation of a typical developing-country pit-latrine sanitation policy to be gained. This has assisted the development of a risk-assessment framework approach pragmatic to regulatory-practitioner management of this issue. The framework involves water-supply and pit-latrine mapping, monitoring of key groundwater contamination indicators and surveys of possible environmental site-condition factors and culminates in an integrated statistical evaluation of these datasets to identify the significant factors controlling risks posed...
September 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28926785/a-new-v-doped-bi2-o-s-3-oxysulfide-catalyst-for-highly-efficient-catalytic-reduction-of-2-nitroaniline-and-organic-dyes
#20
Angaw Kelemework Abay, Dong-Hau Kuo, Xiaoyun Chen, Albert Daniel Saragih
A new type of convenient, and environmentally friendly, Vanadium (V)-doped Bi2(O,S)3 oxysulfide catalyst with different V contents was successfully synthesized via a simple and facile method. The obtained V-doped Bi2(O,S)3 solid solution catalysts were fully characterized by conventional methods. The catalytic performance of the samples was tested by using the reduction of 2-nitroaniline (2-NA) in aqueous solution. The reduction/decolorization of methylene blue (MB) and rhodamine B (RhB) was also chosen to evaluate the universality of catalysts...
September 8, 2017: Chemosphere
keyword
keyword
6117
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"