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https://www.readbyqxmd.com/read/28532039/bioactivity-mechanical-properties-and-drug-delivery-ability-of-bioactive-glass-ceramic-scaffolds-coated-with-a-natural-derived-polymer
#1
M Araújo, R Viveiros, A Philippart, M Miola, S Doumett, G Baldi, J Perez, A R Boccaccini, A Aguiar-Ricardo, E Verné
In this work, hybrid melanin-coated bioactive glass-ceramic multifunctional scaffolds were developed and characterized in terms of mechanical strength, in vitro bioactivity in simulated body fluid (SBF) and ability to load ibuprofen. The coated scaffolds exhibited an accelerated bioactivity in comparison with the uncoated ones, being able of developing hydroxyapatite-like crystals after 7days soaking in simulated body fluid (SBF). Besides its positive influence on the scaffolds bioactivity, the melanin coating was able to enhance their mechanical properties, increasing the initial compressive strength by a factor of >2...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531959/occurrence-and-removal-of-pharmaceuticals-hormones-personal-care-products-and-endocrine-disrupters-in-a-full-scale-water-reclamation-plant
#2
Ngoc Han Tran, Karina Yew-Hoong Gin
This study provided the first comprehensive data on the occurrence and removal of twenty-five target emerging contaminants (ECs) in a full-scale water reclamation plant (WRP) in the Southeast Asian region. Nineteen out of the twenty-five ECs were ubiquitously detected in raw influent samples. Concentrations of the detected ECs in raw influent samples ranged substantially from 44.3 to 124,966ng/L, depending upon the compound and sampling date. The elimination of ECs in full-scale conventional activated sludge (CAS) and membrane bioreactor (MBR) systems at a local WRP was evaluated and compared...
May 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28530283/composite-cd-mof-nanocrystals-containing-microspheres-for-sustained-drug-delivery
#3
Haiyan Li, Nana Lv, Xue Li, Botao Liu, Jing Feng, Xiaohong Ren, Tao Guo, Dawei Chen, J Fraser Stoddart, Ruxandra Gref, Jiwen Zhang
Metal-organic frameworks (MOFs), which are typically embedded in polymer matrices as composites, are emerging as a new class of carriers for sustained drug delivery. Most of the MOFs and the polymers used so far in these composites, however, are not pharmaceutically acceptable. In the investigation reported herein, composites of γ-cyclodextrin (γ-CD)-based MOFs (CD-MOFs) and polyacrylic acid (PAA) were prepared by a solid in oil-in-oil (s/o/o) emulsifying solvent evaporation method. A modified hydrothermal protocol has been established which produces efficiently at 50 °C in 6 h micron (5-10 μm) and nanometer (500-700 nm) diameter CD-MOF particles of uniform size with smooth surfaces and powder X-ray diffraction patterns that are identical with those reported in the literature...
May 22, 2017: Nanoscale
https://www.readbyqxmd.com/read/28528286/assessing-the-stable-conformations-of-ibuprofen-in-solution-by-means-of-residual-dipolar-couplings
#4
Maria Enrica Di Pietro, Giorgio Celebre, Christie Aroulanda, Denis Merlet, Giuseppina De Luca
Detailing the conformational equilibria between global and local minimum energy structures of anti-inflammatory α-arylpropionic acids directly in solution is of the utmost importance for a better understanding of the structure-activity relationships, hence providing valuable clues for rational structure-based drug design studies. Here the conformational preferences of the widely used pharmaceutical ibuprofen were investigated in solution by NMR spectroscopy in weakly ordering phases. A thorough theoretical treatment of the anisotropic interactions that are relevant for NMR spectra led to a conformational model characterized by six pairs of symmetry-related conformers, in particular four couples of gauche structures, with a total probability of 93%, and 2 couples of trans structures, counting for the remaining 7%...
May 17, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28523589/alternating-acetaminophen-and-ibuprofen-versus-monotherapies-in-improvements-of-distress-and-reducing-refractory-fever-in-febrile-children-a-randomized-controlled-trial
#5
Shuanghong Luo, Mengdong Ran, Qiuhong Luo, Min Shu, Qin Guo, Yu Zhu, Xiaoping Xie, Chongfan Zhang, Chaomin Wan
BACKGROUND: No evidence can be found in the medical literature about the efficacy of alternating acetaminophen and ibuprofen treatment in children with refractory fever. OBJECTIVE: Our objective was to assess the effect of alternating acetaminophen and ibuprofen therapy on distress and refractory fever compared with acetaminophen or ibuprofen as monotherapy in febrile children. METHODS: A total of 474 febrile children with axillary temperature ≥38...
May 18, 2017: Paediatric Drugs
https://www.readbyqxmd.com/read/28523100/transdermal-bioavailability-in-rats-of-lidocaine-in-the-forms-of-ionic-liquids-salts-and-deep-eutectic
#6
Paula Berton, Kristin R Di Bona, Denise Yancey, Syed A A Rizvi, Marquita Gray, Gabriela Gurau, Julia L Shamshina, Jane F Rasco, Robin D Rogers
Tuning the bioavailability of lidocaine was explored by its incorporation into the ionic liquid lidocainium docusate ([Lid][Doc]) and the deep eutectic Lidocaine·Ibuprofen (Lid·Ibu) and comparing the transdermal absorption of these with the crystalline salt lidocainium chloride ([Lid]Cl). Each form of lidocaine was dissolved in a vehicle cream and topically applied to Sprague-Dawley rats. The concentrations of the active pharmaceutical ingredients (APIs) in blood plasma were monitored over time as an indication of systemic absorption...
May 11, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28522759/effect-of-cyclooxygenase-inhibition-on-the-inspiratory-muscle-metaboreflex-induced-cardiovascular-consequences-in-men
#7
Joshua R Smith, Kaylin D Didier, Shane M Hammer, Andrew M Alexander, Stephanie P Kurti, Steven W Copp, Thomas J Barstow, Craig A Harms
Inspiratory muscle metaboreflex activation increases mean arterial pressure (MAP) and limb vascular resistance (LVR) and decreases limb blood flow (Q̇L). Cyclooxygenase (COX) inhibition has been found to attenuate limb skeletal muscle metaboreflex-induced increases in muscle sympathetic nerve activity. We hypothesized that compared to placebo (PLA), COX inhibition would attenuate inspiratory muscle metaboreflex-induced 1) increases in MAP and LVR and 2) decreases in Q̇L Seven men (22±1 years) were recruited and orally consumed ibuprofen (IB, 10mg/kg) or PLA 90 min prior to performing the cold pressor test (CPT) for 2 min and inspiratory resistive breathing task (IRBT) for 14...
May 18, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28516288/efficacy-and-safety-of-ibuprofen-in-infants-aged-between-3-and-6-months
#8
Victoria C Ziesenitz, Andreas Zutter, Thomas O Erb, Johannes N van den Anker
Ibuprofen is a non-steroidal anti-inflammatory drug frequently administered to children of various ages for relief of fever and pain and is approved as an over-the-counter medication in many countries worldwide. Although there are extensive data on its efficacy and safety in children and adults, there are divergent dosing recommendations for analgesia and treatment of fever in infants, especially in the age group between 3 and 6 months of age. In this article, we have assessed the safety and efficacy of ibuprofen use in infants in an attempt to find the optimal method of pain and fever management in this specific age group...
May 17, 2017: Paediatric Drugs
https://www.readbyqxmd.com/read/28513425/actual-use-of-and-adherence-to-ibuprofen-400%C3%A2-mg-tablet-dosing-instructions-in-a-simulated-otc-environment%C3%A2
#9
Suzanne Meeves, Rina Leyva, Clark Richardson, Brenda Wilson, David Savastano
OBJECTIVE: Evaluate adherence of US consumers to proposed label directions for a new 400 mg ibuprofen formulation. METHODS: In this single-arm, open-label, multicenter, 30-day study simulating an over-the-counter (OTC)-like environment, US analgesic consumers reviewed proposed product packaging for a new 400 mg ibuprofen formulation and made a purchase decision. Purchasers used the product as needed and recorded use over 30 days. Outcomes included the percentage of participants who exhibited correct or acceptable product use for the primary endpoint (not exceeding 1,200 mg/day > 2 times during the study) or secondary endpoint (not exceeding 400 mg/dose > 2 times during the study) and adherence to the labeled dosing interval of 6 - 8 hours...
May 17, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28511679/evaluation-of-anti-inflammatory-and-gastric-anti-ulcer-activity-of-phyllanthus-niruri-l-euphorbiaceae-leaves-in-experimental-rats
#10
Ronia Mostofa, Shanta Ahmed, Mst Marium Begum, Md Sohanur Rahman, Taslima Begum, Siraj Uddin Ahmed, Riazul Haque Tuhin, Munny Das, Amir Hossain, Manju Sharma, Rayhana Begum
BACKGROUND: The medicinal plants signify a massive basin of potential phytoconstituents that could be valuable as a substitute to allopathic drugs or considered as an analogue in drug development. Phyllanthus niruri L. (Euphorbiaceae) is generally used in traditional medicine to treat ulcer and inflammation. In this project we investigated the methanolic extract of leaves of Phyllanthus niruri for anti-inflammatory and anti-ulcer activity. METHODS: The anti-inflammatory activity of methanol extract of Phyllanthus niruri leaves was evaluated at the doses of 100, 200 and 400 mg/kg, p...
May 16, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28511137/effects-of-ibuprofen-diclofenac-and-paracetamol-on-hatch-and-motor-behavior-in-developing-zebrafish-danio-rerio
#11
Liang Xia, Liang Zheng, Jun Liang Zhou
Non-steroidal anti-inflammatory drugs (NSAIDs) which are widely used as pain relief medicines are causing increasing environmental concern due to their incomplete removal in wastewater treatment plant and potential toxicity on endocrine, kidney and reproduction in teleost fish. This study focused on the effects of widely used ibuprofen, diclofenac and paracetamol on the hatch and motor ability of early-stage zebrafish, by exposing embryos to the target chemicals at 5, 50 and 500 μg/L starting from 6 h postfertilization (hpf)...
May 10, 2017: Chemosphere
https://www.readbyqxmd.com/read/28510996/tramadol-with-or-without-paracetamol-acetaminophen-for-cancer-pain
#12
REVIEW
Philip J Wiffen, Sheena Derry, R Andrew Moore
BACKGROUND: Tramadol is an opioid analgesic licensed for use in moderate to severe pain. It is considered as a low risk for abuse, so control regulations are not as stringent as for 'strong' opioids such as morphine. It has a potential role as a step 2 option of the World Health Organization (WHO) analgesic ladder. OBJECTIVES: To assess the benefits and adverse effects of tramadol with or without paracetamol (acetaminophen) for cancer-related pain. SEARCH METHODS: We searched the following databases using a wide range of search terms: the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, Embase, and LILACS...
May 16, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28505885/occurrence-and-environmental-impact-of-pharmaceutical-residues-from-conventional-and-natural-wastewater-treatment-plants-in-gran-canaria-spain
#13
C Afonso-Olivares, Z Sosa-Ferrera, J J Santana-Rodríguez
The presence and fate of pharmaceutical residues in environmental samples are of great interest. There is a vast number of studies published regarding their input, presence, effects and risks in ecosystems. Moreover, it has been demonstrated that the primary source of input of these contaminants in the environment is from Wastewater Treatment Plants (WWTPs). It is therefore essential to evaluate the efficiency of commonly used treatments and the necessity of applying novel purification processes in order to eliminate or reduce the concentration of pharmaceuticals from wastewater or from the effluent of WWTPs...
May 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28505277/esterification-of-ibuprofen-in-soft-gelatin-capsules-formulations-identification-synthesis-and-liquid-chromatography-separation-of-the-degradation-products
#14
Michal Douša, Ludek Meca, Petr Gibala, Josef Jirman, Marcela Tkadlecová, Jan Srbek, Jana Šalandová, Eva Kovalcíková, Jirí Brichác
Unknown impurities were identified in ibuprofen (IBU) soft gelatin capsules (SGCs) during long-term stability testing by a UHPLC method with UV detection and its chemical formula was determined using high resolution/accurate mass (HRAM) LC-MS. Reference standards of the impurities were subsequently synthesized, isolated by semi-preparative HPLC and characterized using HRAM LC-MS, NMR and IR. Two impurities were formed by esterification of IBU with polyethylene glycol (PEG), which is used as a fill of the SGCs, and were identified as IBU-PEG monoester and IBU-PEG diester...
May 13, 2017: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/28502896/a-quality-by-design-qbd-twin-screw-extrusion-wet-granulation-approach-for-processing-water-insoluble-drugs
#15
Mohammed Maniruzzaman, Steven A Ross, Tumpa Dey, Arun Nair, Martin J Snowden, Dennis Douroumis
In this study, a Quality by Design (QbD) approach was used to identify the effect of formulation parameters in a twin screw wet extrusion granulation process for the manufacturing of ibuprofen (IBU) granules with increased dissolution rates. A fractional factorial Design of Experiment (DoE) was used to investigate the effect of the excipient composition, binder amount and liquid to solid (L/S) ratio (independent variables) on drug dissolution rates, median particle size diameter and specific surface area (dependent variables)...
May 11, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28502169/direct-conjugation-of-emerging-contaminants-in-arabidopsis-indication-for-an-overlooked-risk-in-plants
#16
Qiuguo Fu, Jianbo Zhang, Dan Borchardt, Daniel Schlenk, Jay J Gan
Agricultural use of treated wastewater, biosolids and animal wastes introduces a multitude of contaminants of emerging concerns (CECs) into the soil-plant system. The potential for food crops to accumulate CECs depends largely on their metabolism in plants, which at present is poorly understood. Here we evaluated the metabolism of naproxen and ibuprofen, two of the most used human drugs from the profen family, in Arabidopsis thaliana cells and Arabidopsis plant. The complementary use of high-resolution mass spectrometry and 14C labeling allowed characterization of both free and conjugated metabolites, as well as non-extractable residues...
May 14, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28501584/thiamine-potentiates-chemoprotective-effects-of-ibuprofen-in-den-induced-hepatic-cancer-via-alteration-of-oxidative-stress-and-inflammatory-mechanism
#17
Muhammad Afzal, Imran Kazmi, Ruqaiyah Khan, Poonam Rana, Vikas Kumar, Fahad A Al-Abbasi, Mazin Zamzami, Firoz Anwar
Present study, was an effort to scrutinize the molecular and biochemical role of ibuprofen and thiamine combination in diethylnitrosamine (DEN)-induced HCC in Wistar rats. Single intraperitoneal injection of DEN (200 mg/kg) was used for induction of HCC in rats. The rats were divided into eight various groups. DEN induced rats were treated with pure ibuprofen (40 mg/kg) and thiamine in combination for the period of 12th weeks. The protocol was terminated after the 16th week. Exposure of DEN up-regulated the levels of different serum biochemical parameters, antioxidant enzyme level, Alfa-fetoprotein (AFP) and reduced the level of High density lipoprotein (HDL) in Wistar rats along with the alteration in pro-inflammatory cytokines viz...
May 10, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28498604/post-operative-interventions-to-reduce-inflammatory-complications-after-third-molar-surgery-review-of-the-current-evidence
#18
REVIEW
Howard Cho, Anthony J Lynham, Edward Hsu
BACKGROUND: Inflammatory complications such as pain, swelling, trismus, infection and alveolar osteitis, have an adverse affect on the quality of life of patients after third molar removal. This review presents the current evidence on post-operative strategies to reduce these complications. METHODS: A literature search was performed to identify articles published in English between 2000 to 2016 using the following key words: third molar(s), wisdom tooth/teeth, pain, swelling, trismus, infection, alveolar osteitis, and dry socket...
May 12, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28497473/topical-analgesics-for-acute-and-chronic-pain-in-adults-an-overview-of-cochrane-reviews
#19
REVIEW
Sheena Derry, Philip J Wiffen, Eija A Kalso, Rae F Bell, Dominic Aldington, Tudor Phillips, Helen Gaskell, R Andrew Moore
BACKGROUND: Topical analgesic drugs are used for a variety of painful conditions. Some are acute, typically strains or sprains, tendinopathy, or muscle aches. Others are chronic, typically osteoarthritis of hand or knee, or neuropathic pain. OBJECTIVES: To provide an overview of the analgesic efficacy and associated adverse events of topical analgesics (primarily nonsteroidal anti-inflammatory drugs (NSAIDs), salicylate rubefacients, capsaicin, and lidocaine) applied to intact skin for the treatment of acute and chronic pain in adults...
May 12, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28496471/ionic-liquid-assisted-synthesis-of-celexocib-using-tris-2-hydroxyethyl-ammonium-acetate-as-an-efficient-and-reusable-catalyst
#20
Hamid Reza Ahfad-Hosseini, Hasan Bagheri, Salimeh Amidi
Celecoxib is classified as none traditional nonsteroidal anti-inflammatory drugs (NSAIDs). This compound has conventional properties of NSAIDs such as anti-inflammatory, analgesic, and antipyretic activities beside reduced risk of gastrointestinal side effect of traditional NSAIDs such as ibuprofen. This compound gets a second sale rank of NSAIDs market at 2016 in the world and sales more than 17000 Kg in Iran during the past 6 month. So, a simple, rapid and green method for synthesis of this compound is important...
2017: Iranian Journal of Pharmaceutical Research: IJPR
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