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https://www.readbyqxmd.com/read/28426912/the-association-between-inflammatory-back-pain-characteristics-and-mri-findings-in-the-spine-and-sacroiliac-joints
#1
Bodil Arnbak, Anne G Jurik, Tue S Jensen, Claus Manniche
OBJECTIVE: To investigate the association between MRI findings at the sacroiliac joints (SIJs) and vertebral endplates and pain characteristics assumed to be indicative of axial inflammation. METHODS: Patients aged 18-40 years with persistent low back pain referred to an outpatient spine clinic participated, including an unknown proportion of axial spondyloarthritis patients. Data included MRI of the spine and SIJs and self-reported responses to questions covering the Calin, Berlin, ASAS and Bailly inflammatory back pain (IBP) definitions...
April 20, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28422690/doubly-nonparametric-sparse-nonnegative-matrix-factorization-based-on-dependent-indian-buffet-processes
#2
Junyu Xuan, Jie Lu, Guangquan Zhang, Richard Yi Da Xu, Xiangfeng Luo
Sparse nonnegative matrix factorization (SNMF) aims to factorize a data matrix into two optimized nonnegative sparse factor matrices, which could benefit many tasks, such as document-word co-clustering. However, the traditional SNMF typically assumes the number of latent factors (i.e., dimensionality of the factor matrices) to be fixed. This assumption makes it inflexible in practice. In this paper, we propose a doubly sparse nonparametric NMF framework to mitigate this issue by using dependent Indian buffet processes (dIBP)...
April 12, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28419826/melting-process-of-the-peritectic-mixture-of-lidocaine-and-ibuprofen-interpreted-by-site-percolation-theory-model
#3
Hikaru Kataoka, Yoshinori Sakaki, Kazushi Komatsu, Yohsuke Shimada, Satoru Goto
Eutectic mixtures are often used in the design and delivery of drugs. In this study, we examined the peritectic mixture of lidocaine (LDC) and ibuprofen (IBP) using differential scanning calorimetry, Raman spectroscopy, and microscopy. The obtained phase diagram shows that as the mixture is heated, first LDC melts at 293 K, then IBP dissolves in the liquefied LDC at 310 K, and finally all remaining crystals melt. In the (1)H NMR spectra, the signals of the carboxyl group in IBP and amide or amine group in LDC shift to the low magnetic field in the IBP/LDC mixtures, because of the intermolecular interaction between these moieties...
April 15, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28415394/ultra-sensitive-detection-of-ibuprofen-ibp-by-electrochemical-aptasensor-using-the-dendrimer-quantum-dot-den-qd-bioconjugate-as-an-immobilization-platform-with-special-features
#4
Mahmoud Roushani, Faezeh Shahdost-Fard
This study describes a high-performance electrochemical aptasensor which is employed to detect Ibuprofen (IBP) as a painkiller drug by using a novel platform as an integrated sensing interface. In order to make the aptasensor, the Den-QD bioconjugate was immobilized on the surface of a GC electrode and followed the Apt was incubated on this surface. The incubation of the IBP on the aptasensor surface and the formation of the Apt/IBP complex, led to a hindered electron transfer reaction on the sensing surface, which decreased the peak current of the redox probe...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28414546/behavioral-parent-training-in-infancy-what-about-the-parent-infant-relationship
#5
Angela M Blizzard, Nicole E Barroso, Francisco G Ramos, Paulo A Graziano, Daniel M Bagner
Behavioral parent training (BPT) and attachment interventions have demonstrated efficacy in improving outcomes for young children. Despite theoretical overlap in these approaches, the literature has evolved separately, particularly with respect to outcome measurement in BPT. We examined the impact of the Infant Behavior Program (IBP), a brief home-based adaptation of Parent-Child Interaction Therapy, on changes in attachment-based caregiving behaviors (sensitivity, warmth, and intrusiveness) at postintervention and 3- and 6-month follow-ups during a videotaped infant-led play...
April 17, 2017: Journal of Clinical Child and Adolescent Psychology
https://www.readbyqxmd.com/read/28408642/elevated-intrabolus-pressure-identifies-obstructive-processes-when-integrated-relaxation-pressure-is-normal-on-esophageal-high-resolution-manometry
#6
Farhan Quader, Chanakyaram Reddy, Amit Patel, C Prakash Gyawali
BACKGROUND: Elevated integrated relaxation pressure (IRP) on esophageal high resolution manometry (HRM) identifies obstructive processes at the esophagogastric junction (EGJ). AIM: To determine if intrabolus pressure (IBP) can identify structural EGJ processes when IRP is normal. METHODS: In this observational cohort study, adult patients with dysphagia and undergoing HRM were evaluated for endoscopic evidence of structural EGJ processes (strictures, rings, hiatus hernia) in the setting of normal IRP...
April 13, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28405472/course-of-patients-with-juvenile-spondyloarthritis-during-4%C3%A2-years-of-observation-juvenile-part-of-gespic
#7
Anja Weiß, Kirsten Minden, Joachim Listing, Ivan Foeldvari, Joachim Sieper, Martin Rudwaleit
OBJECTIVE: To describe the course and the 4-year outcome of juvenile spondyloarthritis (jSpA). METHODS: Patients with a diagnosis of jSpA and an age at onset ≤16 years were included in the German Spondyloarthritis Inception cohort (GESPIC) and followed up prospectively for 4 years. RESULTS: 118 patients (73% men, 66% HLA-B27 positive, mean age 13.5 years, mean symptom duration 2.2 years) were enrolled in 2 study centres: 52% of patients with jSpA were captured by the enthesitis-related arthritis subgroup of the International League of Associations for Rheumatology classification criteria...
2017: RMD Open
https://www.readbyqxmd.com/read/28398082/transcriptomic-response-of-arabidopsis-thaliana-l-heynh-roots-to-ibuprofen
#8
Premysl Landa, Sylva Prerostova, Lenka Langhansova, Petr Marsik, Tomas Vanek
Surface waters in urban areas are contaminated by ibuprofen (IBP), a popular and extensively used anti-inflammatory drug. In this study, we investigated the transcriptomic response in Arabidopsis thaliana (L.) Heynh. roots with the aim of revealing genes that are potentially involved in IBP detoxification and to elucidate the effect of IBP on plants. IBP up-regulated 63 and down-regulated 38 transcripts (p-value < 0.1, fold change ≥ 2) after two-day exposure to a 5 µM (1.03 mg L(-1)) concentration of IBP under hydroponic conditions...
April 11, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28387927/multimodal-lung-cancer-screening-using-the-italung-biomarker-panel-and-low-dose-computed-tomography-results-of-the-italung-biomarker-study
#9
Francesca Maria Carozzi, Simonetta Bisanzi, Laura Carrozzi, Fabio Falaschi, Andrea Lopes Pegna, Mario Mascalchi, Giulia Picozzi, Marco Peluso, Cristina Sani, Luana Greco, Cristina Ocello, Eugenio Paci
Asymptomatic high-risk subjects, randomized in the intervention arm of the ITALUNG trial (1406 screened for lung cancer), were enrolled for the ITALUNG biomarker study (n = 1356), in which samples of blood and sputum were analysed for plasma DNA quantification (cut off 5ng/ml), loss of heterozygosity and microsatellite instability. The ITALUNG biomarker panel (IBP) was considered positive if at least one of the two biomarkers included in the panel was positive. Subjects with and without lung cancer diagnosis at the end of the screening cycle with LDCT (n = 517) were evaluated...
April 7, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28380901/ion-beam-planarization-of-diamond-turned-surfaces-with-various-roughness-profiles
#10
Yaguo Li, Hideo Takino, Frank Frost
The effectiveness of ion beam planarization (IBP) to reduce surface roughness of diamond turned NiP surfaces was investigated. The surfaces with various spatial wavelengths and depths of turning marks were spray-coated and planarized with broad ion beam. The ion beam planarization was performed at a special angle where the etching rate of photoresist is closely similar to NiP. It is found that the combined process of spray-coating and ion-beam-planarization can effectively reduce the surface roughness of diamond turned NiP...
April 3, 2017: Optics Express
https://www.readbyqxmd.com/read/28346781/metabolism-of-ibuprofen-by-phragmites-australis-uptake-and-phytodegradation
#11
Yujie He, Alette A M Langenhoff, Nora B Sutton, Huub H M Rijnaarts, Marco H Blokland, Feiran Chen, Christian Huber, Peter Schröder
This study explores ibuprofen (IBP) uptake and transformation in the wetland plant species Phragmites australis and the underlying mechanisms. We grew P. australis in perlite under greenhouse conditions and treated plants with 60 μg/L of IBP. Roots and rhizomes (RR), stems and leaves (SL), and liquid samples were collected during 21 days of exposure. Results show that P. australis can take up, translocate, and degrade IBP. IBP was completely removed from the liquid medium after 21 days with a half-life of 2...
April 6, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28343130/computational-study-of-ibuprofen-removal-from-water-by-adsorption-in-realistic-activated-carbons
#12
Daniel Bahamon, Leticia Carro, Sonia Guri, Lourdes F Vega
Molecular simulations using the Grand Canonical Monte Carlo (GCMC) method have been performed in order to obtain physical insights on how the interaction between ibuprofen (IBP) and activated carbons (ACs) in aqueous mixtures affects IBP removal from water by ACs. A nanoporous carbon model based on units of polyaromatic molecules with different number of rings, defects and polar-oxygenated sites is described. Individual effects of factors such as porous features and chemical heterogeneities in the adsorbents are investigated and quantified...
March 18, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28340940/axially-modified-paddlewheel-diruthenium-ii-iii-ibuprofenato-metallodrugs-and-the-influence-of-the-structural-modification-on-u87mg-and-a172-human-glioma-cell-proliferation-apoptosis-mitosis-and-migration
#13
Hanif-Ur-Rehman, Tatiana E Freitas, Renata N Gomes, Alison Colquhoun, Denise de Oliveira Silva
The metallodrug chloridotetrakis(ibuprofenato)diruthenium(II,III) ([Ru2(Ibp)4Cl] or RuIbpCl (1), Ibp=carboxylate anion derived from the non-steroidal anti-inflammatory drug ibuprofen) has shown promising results in vitro and in vivo, which point to its potential as an inhibitor of glioma tumour growth in vivo. In order to get insight into the influence of structural changes on the biological response of the metallodrug, the [Ru2(Ibp)4] metal-metal multiply bonded paddlewheel unit was modified for the axial ligand...
December 2016: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28336550/the-effect-of-intravenous-corticotropin-releasing-hormone-administration-on-esophageal-sensitivity-and-motility-in-health
#14
Charlotte Broers, Chloé Melchior, Lukas Van Oudenhove, Tim Vanuytsel, Brecht Van Houtte, Charlotte Scheerens, Nathalie Rommel, Jan F Tack, Ans Pauwels
BACKGROUND: Esophageal hypersensitivity is important in gastro-esophageal reflux disease (GERD) patients refractory to acid-suppressive therapy. Stress affects visceral sensitivity and exacerbates heartburn in GERD. Peripheral CRH is a key mediator of the gut stress response. We hypothesize that CRH increases esophageal sensitivity and alters esophageal motility in health. METHODS: Esophageal sensitivity to thermal, mechanical, electrical and chemical stimuli was assessed in 14 healthy subjects after placebo or CRH (100μg IV)...
March 23, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28318231/paraben-concentrations-in-maternal-urine-and-breast-milk-and-its-association-with-personal-care-product-use
#15
Mandy Fisher, Susan MacPherson, Joseph M Braun, Russ Hauser, Mark Walker, Mark Feeley, Ranjeeta Mallick, René Bérubé, Tye E Arbuckle
Parabens are broad-spectrum antimicrobial preservatives and fragrances used in a wide range of personal care products, pharmaceuticals, and food providing the opportunity for people to be exposed on a daily basis. In 2009-2010, 80 pregnant women from Ottawa Canada participated in the Plastics and Personal-Care Product Use in Pregnancy (P4) Study. A subset of women (n = 31) who provided multiple spot urine samples (n = 542) collected over two 24-h periods had their samples analyzed for methylparaben (MP), n-propylparaben (PP), ethylparaben (EP), butylparaben (BP), isobutylparaben (IBP), and benzylparaben (BzP)...
March 20, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28298771/attenuation-of-hemodynamic-response-to-skull-pin-head-holder-insertion-intravenous-clonidine-versus-intravenous-lignocaine-infusion
#16
Nethra H Nanjundaswamy, Vinay Marulasiddappa
BACKGROUND: Insertion of skull pin induces a significant increase in heart rate (HR), blood pressure (BP) and intracranial pressure. Alpha 2 agonist clonidine and intravenous (i.v.) lignocaine are effective in attenuating stress response. Local infiltration of pin site and scalp block with lignocaine are commonly used techniques for prevention of hemodynamic response to skull pin insertion. We compared the effectiveness of i.v. clonidine infusion and i.v. lignocaine infusion in suppressing the hemodynamic response to skull pin head holder insertion...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28293822/ibuprofen-removal-by-heterogeneous-photocatalysis-and-ecotoxicological-evaluation-of-the-treated-solutions
#17
EDITORIAL
João P Candido, Sandro J Andrade, Ana L Fonseca, Flávio S Silva, Milady R A Silva, Márcia M Kondo
Emerging contaminants including pharmaceuticals are a class of compounds that are causing great concern due to several environmental problems. Conventional water and wastewater treatments do not achieve high removal efficiencies for many of these drugs. Therefore, the present work investigated the removal of ibuprofen (IBP) by heterogeneous photocatalysis using TiO2 irradiated with artificial UV light or solar radiation. The treated solutions were tested against Daphnia similis and Raphidocelis subcapitata, which are species commonly used as bioindicators of environmental conditions...
March 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28243962/adsorption-behavior-and-mechanism-of-ibuprofen-onto-biocl-microspheres-with-exposed-001-facets
#18
Jian Li, Shiye Sun, Rong Chen, Tuqiao Zhang, Bangxing Ren, Dionysios D Dionysiou, Zhejian Wu, Xiaowei Liu, Miaomiao Ye
BiOCl microspheres with exposed {001} facets have been synthesized through a simple solvothermal method. The adsorption and photocatalytic activities of BiOCl microspheres were evaluated by removal of ibuprofen (IBP) as the model reaction. Parameters including IBP concentration, BiOCl dosage, and inorganic ions were investigated to reveal the role of adsorption in BiOCl-based photocatalysis. We found that the high IBP removal rate by BiOCl is not due to photocatalytic oxidation but to surface adsorption. The combination of ICP/MS, IC, XPS, and FT-IR results directly proved that anion exchange between dissociated IBP and Cl accompanied by the formation of surface complex (O-Bi-OOC-C12H17) onto the BiOCl surface is the main adsorption mechanism...
February 28, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28236581/single-simultaneous-and-sequential-applications-of-ultrasonic-frequencies-for-the-elimination-of-ibuprofen-in-water
#19
Asu Ziylan-Yavas, Nilsun H Ince
The study is about the assessment of single and multi-frequency operations for the overall degradation of a widely consumed analgesic pharmaceutical-ibuprofen (IBP). The selected frequencies were in the range of 20-1130kHz emissions coming from probes, baths and piezo-electric transducers attached to plate-type devices. Multi-frequency operations were applied either simultaneously as "duals", or sequentially at fixed time intervals; and the total reaction time in all operations was 30-min. The work also covers evaluation of the effect of zero-valent iron (ZVI) on the efficiency of the degradation process and the performance of the reaction systems...
January 26, 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28214597/classification-criteria-versus-physician-s-opinion-for-considering-a-patient-with-inflammatory-back-pain-as-suffering-from-spondyloarthritis
#20
Pierre Gazeau, Divi Cornec, Marie Agnes Timsit, Maxime Dougados, Alain Saraux
OBJECTIVE: To assess agreement among methods for classifying patients with inflammatory back pain [IBP] after a 2-year follow up. METHODS: Patients with IBP in the French nationwide, longitudinal, prospective cohort DESIR were classified after 2 years based on imaging findings, rheumatologist's confidence in a diagnosis of spondyloarthritis, three classification criteria sets [axial Assessment of Spondyloarthritis international Society (ASAS), European Spondylarthropathy Study Group (ESSG), and Amor] and treatment [TNFα antagonists]...
February 15, 2017: Joint, Bone, Spine: Revue du Rhumatisme
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