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https://www.readbyqxmd.com/read/29778074/how-does-free-ammonia-based-sludge-pretreatment-improve-methane-production-from-anaerobic-digestion-of-waste-activated-sludge
#1
Dongbo Wang, Bowen Liu, Xuran Liu, Qiuxiang Xu, Qi Yang, Yiwen Liu, Guangming Zeng, Xiaoming Li, Bing-Jie Ni
Previous studies reported that free ammonia (FA) pretreatment could improve methane production from anaerobic digestion of waste activated sludge (WAS) effectively. However, details of how FA pretreatment improves methane production are poorly understood. This study therefore aims to reveal the underlying mechanisms of FA pretreatment affecting anaerobic digestion of WAS through a series of batch tests using either real sludge or synthetic media as the digestion substrates at different pH values. At pH 8.5 level, with an increase of FA level from 18...
May 10, 2018: Chemosphere
https://www.readbyqxmd.com/read/29778063/comparison-of-three-dimensional-multi-segmental-foot-models-used-in-clinical-gait-laboratories
#2
Kristen Nicholson, Chris Church, Colton Takata, Tim Niiler, Brian Po-Jung Chen, Nancy Lennon, Julie P Sees, John Henley, Freeman Miller
BACKGROUND: Many skin-mounted three-dimensional multi-segmented foot models are currently in use for gait analysis. Evidence regarding the repeatability of models, including between trial and between assessors, is mixed, and there are no between model comparisons of kinematic results. RESEARCH QUESTION: This study explores differences in kinematics and repeatability between five three-dimensional multi-segmented foot models. The five models include duPont, Heidelberg, Oxford Child, Leardini, and Utah...
May 16, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29777980/trunk-postural-adjustments-medium-term-reliability-and-correlation-with-changes-of-clinical-outcomes-following-an-8-week-lumbar-stabilization-exercise-program
#3
Jean-Alexandre Boucher, Richard Preuss, Sharon M Henry, Marilee Nugent, Christian Larivière
BACKGROUND: Low back pain (LBP) has been previously associated with delayed anticipatory postural adjustments (APAs) determined by trunk muscle activation. Lumbar stabilization exercise programs (LSEP) for patients with LBP may restore the trunk neuromuscular control of the lumbar spine, and normalize APAs. This exploratory study aimed at testing the reliability of EMG and kinematics-based postural adjustment measures over an 8-week interval, assessing their sensitivity to LBP status and treatment and examining their relationship with clinical outcomes...
April 22, 2018: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/29777969/multicontextual-correlates-of-adolescent-sugar-sweetened-beverage-intake
#4
Allison W Watts, Jon Miller, Nicole I Larson, Marla E Eisenberg, Mary T Story, Dianne Neumark-Sztainer
PURPOSE: To examine personal, home, peer, school, neighborhood, and media correlates of sugar-sweetened beverage (SSB) intake in a diverse sample of adolescents. METHODS: Cross-sectional, population-based study (EAT 2010: Eating and Activity in Teens) of 2793 adolescents (54% female, mean age [SD] = 14.5 [2.0], 80% nonwhite) attending public secondary schools in Minneapolis-St. Paul, Minnesota. Adolescents completed a food frequency questionnaire and answered survey questions about their diet/health perceptions and behaviors...
May 1, 2018: Eating Behaviors
https://www.readbyqxmd.com/read/29777907/novel-snps-of-wnk1-and-akr1c3-are-associated-with-preeclampsia
#5
Cheng-Juan Sun, Lin Li, Xueyan Li, Wei-Yuan Zhang, Xiao-Wei Liu
Preeclampsia is a hypertensive disorder of pregnancy and is one of the most common causes of poor perinatal outcomes. Preeclampsia increases the risk of hypertension in the future. Variants of WNK1 (lysine deficient protein kinase 1), ADRB2 (β2 adrenergic receptor), NEDD4L (ubiquitin-protein ligase NEDD4-like), KLK1 (kallikrein 1) contribute to hypertension, and AKR1C3 (aldo-keto reductase family1 member C3), is associated with preeclampsia. The association of single nucleotide polymorphisms (SNPs) in these five candidate preeclampsia susceptibility genes and the related traits in Chinese individuals were investigated...
May 16, 2018: Gene
https://www.readbyqxmd.com/read/29777890/cortical-activation-changes-in-hirayama-disease-following-anterior-cervical-decompression-and-fusion
#6
Hongli Wang, Yiwei Wu, Jian Song, Jianyuan Jiang, Feizhou Lu, Xiaosheng Ma, Xinlei Xia
BACKGROUND: Spinal cord injury may cause cortical reconstruction. We, therefore, explored thechanges in cortical activation before and after anterior cervical decompression and fusion surgery in patients with Hirayama disease (HD). METHODS: 17 HD cases were performed anterior cervical decompression and fusion surgery. BOLD-fMRI scan was performed preoperatively, 3 months, 6 months and 1 year after surgery. Activated voxels were compared between both hands after adjusting for head motion, slice timing, spatial normalization and image smoothing...
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29777876/poly-adenine-mediated-fluorescent-spherical-nucleic-acid-probes-for-live-cell-imaging-of-endogenous-tumor-related-mrna
#7
Dan Zhu, Dongxia Zhao, Jiaxuan Huang, Yu Zhu, Jie Chao, Shao Su, Jiang Li, Lihua Wang, Jiye Shi, Xiaolei Zuo, Lixing Weng, Qian Li, Lianhui Wang
Identification of tumor-related mRNA in living cells hold great promise for early cancer diagnosis and pathological research. Herein, we present poly-adenine (polyA)-mediated fluorescent spherical nucleic acid (FSNA) probes for intracellular mRNA detection with regulable sensitivities by programmably adjusting the loading density of DNA on gold nano-interface. Gold nanoparticles (AuNPs) functionalized with polyA-tailed recognition sequences were hybridized to fluorescent "reporter" strands to fabricate fluorescence-quenched FSNA probes...
May 16, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29777867/antibiotic-exposure-prior-to-respiratory-viral-infection-is-associated-with-progression-to-lower-respiratory-tract-disease-in-allogeneic-hematopoietic-cell-transplant-recipients
#8
Chikara Ogimi, Elizabeth M Krantz, Jonathan L Golob, Alpana Waghmare, Catherine Liu, Wendy M Leisenring, Christopher R Woodard, Sara Marquis, Jane M Kuypers, Keith R Jerome, Steven A Pergam, David N Fredricks, Mohamed L Sorror, Janet A Englund, Michael Boeckh
INTRODUCTION: Recent publications note an association between antibiotic exposure and respiratory viral infections (RVIs). Antibiotics affect microbiota and impair immune response against RVIs in mice, and low microbiome diversity is associated with pulmonary complications including viral lower respiratory tract disease (LRTD) in hematopoietic cell transplantation (HCT) recipients. In this study, we examined whether antibiotic exposure was associated with increased risk of disease progression in RVIs post-transplantation...
May 16, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29777818/influence-of-degree-of-substitution-and-folic-acid-coinitiator-on-pullulan-hema-hydrogel-properties-crosslinked-under-visible-light-initiating-system
#9
Elbadawy A Kamoun, M A Abu-Seaid, A S Doma, Henning Menzel, Xin Chen
Hydroxyethyl methacrylate-derivative pullulan (pullulan-HEMA) was synthesized by activation of HEMA followed by catalyzed coupling reaction for adjusting the degree of substitution (DS) of copolymer. Pullulan-HEMA was photocrosslinked using new three-components photoinitiating system composed of carboxylated camphorquinone-folic acid-iodonium salt under visible light. Folic acid was employed as new coinitiator for improving the entire hydrogel properties and avoiding harms of traditional used tertiary amine coinitiators...
May 16, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29777750/post-a-framework-for-set-based-association-analysis-in-high-dimensional-data
#10
Xueyuan Cao, E Olusegun George, Mingjuan Wang, Dale B Armstrong, Cheng Cheng, Susana Raimondi, Jeffrey E Rubnitz, James R Downing, Mondira Kundu, Stanley B Pounds
Evaluating the differential expression of a set of genes belonging to a common biological process or ontology has proven to be a very useful tool for biological discovery. However, existing gene-set association methods are limited to applications that evaluate differential expression across k⩾2 treatment groups or biological categories. This limitation precludes researchers from most effectively evaluating the association with other phenotypes that may be more clinically meaningful, such as quantitative variables or censored survival time variables...
May 16, 2018: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/29777745/serum-adiponectin-ferritin-ratio-in-relation-to-the-risk-of-type-2-diabetes-and-insulin-sensitivity
#11
Alex Aregbesola, Vanessa D F de Mello, Jaana Lindström, Sari Voutilainen, Jyrki K Virtanen, Sirkka Keinänen-Kiukaanniemi, Tomi-Pekka Tuomainen, Jaakko Tuomilehto, Uusitupa Matti
AIMS: Body iron inhibits the metabolism of adiponectin, an insulin sensitizing adipokine. We investigated the relationships of baseline and average of 4-year change in values of serum adiponectin (sA), serum ferritin (sF) and sA/sF ratio on type 2 diabetes (T2D) risk and insulin sensitivity (Matsuda ISI) and secretion (disposition index; DI30 ). METHODS: Prospective analyses were conducted in participants with impaired glucose tolerance of the Finnish Diabetes Prevention Study (n=516) recruited in 1993-1998...
May 16, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29777715/association-between-plasma-ceramides-and-inducible-myocardial-ischemia-in-patients-with-established-or-suspected-coronary-artery-disease-undergoing-myocardial-perfusion-scintigraphy
#12
Alessandro Mantovani, Stefano Bonapace, Gianluigi Lunardi, Matteo Salgarello, Clementina Dugo, Guido Canali, Christopher D Byrne, Stefania Gori, Enrico Barbieri, Giovanni Targher
BACKGROUND: Recent studies have suggested that specific plasma ceramides are independently associated with major adverse cardiovascular events in patients with coronary artery disease (CAD), but it is currently unknown whether plasma ceramide levels are associated with stress-induced reversible myocardial ischemia. METHODS: We measured six previously identified high-risk plasma ceramide molecules [Cer(d18:1/16:0), Cer(d18:1/18:0), Cer(d18:1/20:0), Cer(d18:1/22:0), Cer(d18:1/24:0), and Cer(d18:1/24:1)] in 167 consecutive patients with established or suspected CAD who underwent either exercise or dypiridamole myocardial perfusion scintigraphy (MPS) for various clinical indications...
May 16, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29777690/adjusted-analysis
#13
Paul Lee
No abstract text is available yet for this article.
May 16, 2018: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29777670/the-impact-of-mitral-disease-etiology-on-operative-mortality-following-mitral-valve-operations
#14
J Scott Rankin, Maria Grau-Sepulveda, David M Shahian, A Marc Gillinov, Rakesh Suri, James S Gammie, Steven F Bolling, Patrick M McCarthy, Vinod H Thourani, Niv Ad, Sean M O'Brien, Jeffrey P Jacobs, Vinay Badhwar
BACKGROUND: The patho-etiology of mitral regurgitation (MR) has been suggested as a mediator of outcomes following mitral valve (MV) operations, particularly in ischemic functional mitral regurgitation (IMR). This study examined the independent association of MV etiology with mortality. METHODS: Using the Society of Thoracic Surgeons Database, all patients undergoing mitral valve replacement or repair from 2011-2014 were assessed. Patients who underwent concomitant surgical ablation, septal defect closure, tricuspid valve repair, or coronary artery bypass grafting were included...
May 16, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29777660/chronic-obstructive-pulmonary-disease-exacerbations-a-need-for-action
#15
Antonio Anzueto, Marc Miravitlles
Chronic obstructive pulmonary disease (COPD) is a leading cause of morbidity and mortality, with exacerbations contributing strongly to the overall severity and burden of disease at the individual level. Many patients with COPD are managed predominantly in the primary care setting; therefore, primary care physicians (PCPs) must have awareness and understanding of the causes, effects, and management of exacerbations in COPD. This review offers practical information regarding how exacerbations are defined in the treatment setting, pathogenic and environmental causes, options for exacerbation treatment and prevention, and suggestions for improving care in the clinic...
May 16, 2018: American Journal of Medicine
https://www.readbyqxmd.com/read/29777647/correlates-of-postpartum-sexual-activity-and-contraceptive-use-in-kano-northern-nigeria
#16
Zubairu Iliyasu, Hadiza S Galadanci, Khadija M Danlami, Hamisu M Salihu, Muktar H Aliyu
Practices related to resumption of coitus after childbirth remains poorly documented in Nigeria. This study examined factors associated with sexual intercourse, delivery-coitus interval, and contraceptive use among postpartum women attending a tertiary centre in Kano, northern Nigeria. A cross section of 317 women attending immunization, postnatal and family planning clinics within 12 months of childbirth was interviewed using a structured questionnaire. Vaginal intercourse was resumed by most women (n=212; 66...
March 2018: African Journal of Reproductive Health
https://www.readbyqxmd.com/read/29777632/predictor-factors-for-long-term-outcomes-stability-of-coronally-advanced-flap-with-or-without-connective-tissue-graft-in-the-treatment-of-single-maxillary-gingival-recessions-9-years-results-of-a-randomised-controlled-clinical-trial
#17
Giulio Rasperini, Raffaele Acunzo, Gaia Pellegrini, Giorgio Pagni, Maurizio Tonetti, Giovan Paolo Pini Prato, Pierpaolo Cortellini
AIM: To assess the clinical outcomes 9 years after the surgical treatment of single maxillary gingival recessions and identify predictors for long-term gingival margin stability. MATERIALS AND METHODS: Twenty-five gingival recession (Miller Class I and II) were randomly treated with CAF plus CTG or CAF alone. Outcomes included Complete Root Coverage (CRC), Recession Reduction (REC), Keratinized Tissue (KT) gain and dentin hypersensitivity, and were evaluated at 6-month, 1-year and 9-year...
May 19, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29777630/microrna-493-is-a-prognostic-factor-in-triple-negative-breast-cancer
#18
Ling Yao, Yirong Liu, Zhigang Cao, Junjing Li, Yanni Huang, Xin Hu, Zhiming Shao
Breast cancer is one of the most common malignant diseases in women, in which triple-negative breast cancer (TNBC) exhibits higher aggressiveness and recurrence rates, while there are no effective targets or tailored treatments for patients with this subtype. Thus, finding effective prognostic markers for TNBC might help clinicians in their ability to care for their patients. We used tissue microarrays (TMAs) to detect miR-493 expression in breast cancer samples. A miRCURY LNATM detection probe specific for miR-493 was used in in situ hybridization assays...
May 19, 2018: Cancer Science
https://www.readbyqxmd.com/read/29777608/osteocalcin-value-to-identify-subclinical-atherosclerosis-over-atherosclerotic-cardiovascular-disease-ascvd-risk-score-in-middle-aged-and-elderly-chinese-asymptomatic-men
#19
Yiting Xu, Xiaojing Ma, Qin Xiong, Xueli Zhang, Yun Shen, Yuqian Bao
BACKGROUND: Our study examined whether osteocalcin contributed to identifying carotid intima-media thickness (C-IMT) over the atherosclerotic cardiovascular disease (ASCVD) risk score. METHODS: We recruited 618 middle-aged and elderly men from communities in Shanghai. Serum osteocalcin levels were determined using an electrochemiluminescence immunoassay. C-IMT was measured by ultrasonography. RESULTS: The study included 245 men with low ASCVD risk and 373 men with moderate-to-high ASCVD risk...
May 19, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29777607/optimizing-charge-state-distribution-is-a-prerequisite-for-accurate-protein-biomarker-quantification-with-lc-ms-ms-as-illustrated-by-hepcidin-measurement
#20
Ellen M H Schmitz, Niels M Leijten, Joost L J van Dongen, Maarten A C Broeren, Lech G Milroy, Luc Brunsveld, Volkher Scharnhorst, Daan van de Kerkhof
BACKGROUND: Targeted quantification of protein biomarkers with liquid chromatography-tandem mass spectrometry (LC-MS/MS) has great potential, but is still in its infancy. Therefore, we elucidated the influence of charge state distribution and matrix effects on accurate quantification, illustrated by the peptide hormone hepcidin. METHODS: An LC-MS/MS assay for hepcidin, developed based on existing literature, was improved by using 5 mM ammonium formate buffer as mobile phase A and as an elution solution for solid phase extraction (SPE) to optimize the charge state distribution...
May 19, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
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