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https://www.readbyqxmd.com/read/28816989/disease-duration-of-rheumatoid-arthritis-is-a-predictor-of-vascular-stiffness-a-cross-sectional-study-in-patients-without-known-cardiovascular-comorbidities-a-strobe-compliant-article
#1
Mónica Vázquez-Del Mercado, Eduardo Gomez-Bañuelos, Efrain Chavarria-Avila, Ernesto Cardona-Muñoz, Carlos Ramos-Becerra, Adrián Alanis-Sanchez, David Cardona-Muller, Fernando Grover-Paez, Felipe de J Perez-Vazquez, Rosa-Elena Navarro-Hernandez, Jorge M Valadez-Soto, Adan A Saldaña-Millan, Lorena Gonzalez-Rosas, Gabriel Ramos-Lopez, Marcelo H Petri, Magnus Bäck
The aim of this study was to analyze the impact of disease duration on carotid to femoral pulse wave velocity (cfPWV) in rheumatoid arthritis (RA) patients without either known traditional cardiovascular risk factors or previous comorbidities.Patients with RA diagnosis attending the rheumatology outpatient clinic of Hospital Civil Juan I. Menchaca, Guadalajara, Mexico, were analyzed. A total of 106 RA patients without known traditional cardiovascular risk factors were selected. All subjects were evaluated for RA disease duration, RA disease activity score on 28 joints (DAS28), serum lipids, rheumatoid factor and anti-cyclic citrullinated peptide (anti-CCP) antibodies...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28809780/fenton-discoloration-of-ultrasonicated-purple-cactus-pear-juice
#2
Isidro Reyes-Hernández, Nelly Del S Cruz-Cansino, Ingrid Renata Santander-Martínez, Ernesto Alanís-García, Luis Delgado-Olivares, Esther Ramírez-Moreno, José A Ariza-Ortega, Ariana Omaña-Covarrubias, Jesús Martín Torres-Valencia, José de Jesús Manríquez-Torres
The aim of this study was to evaluate the stability of color, betaxanthin, and betacyanin pigments in the presence of Cu(II)-dependent hydroxyl radicals (HO•) from ultrasonicated purple cactus pear juice at amplitudes of 40%, 60%, and 80%, in comparison to untreated sample. L* parameter of juice treated at 40% and 80% amplitude for 25 and 15 min, respectively (11.3 and 9.3, respectively), were significantly higher compared to the control; b* and hue parameters of juice treated at 80%, 25 min showed values of 1...
August 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28805689/visual-servoing-for-an-autonomous-hexarotor-using-a-neural-network-based-pid-controller
#3
Carlos Lopez-Franco, Javier Gomez-Avila, Alma Y Alanis, Nancy Arana-Daniel, Carlos Villaseñor
In recent years, unmanned aerial vehicles (UAVs) have gained significant attention. However, we face two major drawbacks when working with UAVs: high nonlinearities and unknown position in 3D space since it is not provided with on-board sensors that can measure its position with respect to a global coordinate system. In this paper, we present a real-time implementation of a servo control, integrating vision sensors, with a neural proportional integral derivative (PID), in order to develop an hexarotor image based visual servo control (IBVS) that knows the position of the robot by using a velocity vector as a reference to control the hexarotor position...
August 12, 2017: Sensors
https://www.readbyqxmd.com/read/28798706/age-dependent-positivity-bias-in-children-s-processing-of-emotion-terms
#4
Daniela Bahn, Michael Vesker, José C García Alanis, Gudrun Schwarzer, Christina Kauschke
Emotions play an important role in human communication, and the daily-life interactions of young children often include situations that require the verbalization of emotional states with verbal means, e.g., with emotion terms. Through them, one can express own emotional states and those of others. Thus, the acquisition of emotion terms allows children to participate more intensively in social contexts - a basic requirement for learning new words and for elaborating socio-emotional skills. However, little is known about how children acquire and process this specific word category, which is positioned between concrete and abstract words...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28771055/the-use-of-albumin-solid-dispersion-to-enhance-the-solubility-of-unionisable-drugs
#5
Mouhamad Khoder, Hamdy Abdelkader, Amr ElShaer, Ayman Karam, Mohammad Najlah, Raid G Alany
In this study, solid dispersions of prednisolone (PRD) and bovine serum albumin (BSA) were prepared by spray drying and freeze drying methods using a PRD:BSA solution (20:1 Molar Ratio (MR)). PRD-BSA dispersed mixtures were characterised by scanning electron microscopy (SEM), and powder X-ray diffraction (XRD), and differential scanning calorimetry (DSC). PRD-BSA physical and dispersed mixtures showed significantly higher solubility in water than that of unprocessed drug. Enhancement factor of six was obtained in both physical mixture and solid dispersion solubility studies...
August 3, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28770134/successful-postnatal-management-of-ruptured-giant-sacrococcygeal-teratoma
#6
Muataz A Alani
Most sacrococcygeal teratomas present between the 22nd and the 34th week of gestation. The diagnosis of sacrococcygeal teratoma on routine antenatal sonograms is associated with a greater than expected incidence of prenatal and perinatal complications. We report a premature baby with intrauterine spontaneous rupture of giant sacrococcygeal teratoma which was managed successfully.
April 2017: Journal of Neonatal Surgery
https://www.readbyqxmd.com/read/28758010/skin-cancer-screening-recommendations-for-data-driven-screening-guidelines-and-a-review-of-the-us-preventive-services-task-force-controversy
#7
REVIEW
Mariah M Johnson, Sancy A Leachman, Lisa G Aspinwall, Lee D Cranmer, Clara Curiel-Lewandrowski, Vernon K Sondak, Clara E Stemwedel, Susan M Swetter, John Vetto, Tawnya Bowles, Robert P Dellavalle, Larisa J Geskin, Douglas Grossman, Kenneth F Grossmann, Jason E Hawkes, Joanne M Jeter, Caroline C Kim, John M Kirkwood, Aaron R Mangold, Frank Meyskens, Michael E Ming, Kelly C Nelson, Michael Piepkorn, Brian P Pollack, June K Robinson, Arthur J Sober, Shannon Trotter, Suraj S Venna, Sanjiv Agarwala, Rhoda Alani, Bruce Averbook, Anna Bar, Mirna Becevic, Neil Box, William E Carson, Pamela B Cassidy, Suephy C Chen, Emily Y Chu, Darrel L Ellis, Laura K Ferris, David E Fisher, Kari Kendra, David H Lawson, Philip D Leming, Kim A Margolin, Svetomir Markovic, Mary C Martini, Debbie Miller, Debjani Sahni, William H Sharfman, Jennifer Stein, Alexander J Stratigos, Ahmad Tarhini, Matthew H Taylor, Oliver J Wisco, Michael K Wong
Melanoma is usually apparent on the skin and readily detected by trained medical providers using a routine total body skin examination, yet this malignancy is responsible for the majority of skin cancer-related deaths. Currently, there is no national consensus on skin cancer screening in the USA, but dermatologists and primary care providers are routinely confronted with making the decision about when to recommend total body skin examinations and at what interval. The objectives of this paper are: to propose rational, risk-based, data-driven guidelines commensurate with the US Preventive Services Task Force screening guidelines for other disorders; to compare our proposed guidelines to recommendations made by other national and international organizations; and to review the US Preventive Services Task Force's 2016 Draft Recommendation Statement on skin cancer screening...
March 2017: Melanoma Management
https://www.readbyqxmd.com/read/28743809/prevention-of-ophthalmia-neonatorum-caused-by-neisseria-gonorrhoeae-using-a-fatty-acid-based-formulation
#8
Colin P Churchward, Raid G Alany, Ruth S Kirk, Anthony J Walker, Lori A S Snyder
Ophthalmia neonatorum, also called neonatal conjunctivitis, acquired during delivery can occur in the first 28 days of life. Commonly caused by the bacterial pathogen Neisseria gonorrhoeae, infection can lead to corneal scarring, perforation of the eye, and blindness. One approach that can be taken to prevent the disease is the use of an ophthalmic prophylaxis, which kills the bacteria on the surface of the eye shortly after birth. Current prophylaxes are based on antibiotic ointments. However, N. gonorrhoeae is resistant to many antibiotics and alternative treatments must be developed before the condition becomes untreatable...
July 25, 2017: MBio
https://www.readbyqxmd.com/read/28736230/pro-inflammatory-chemokines-and-cytokines-dominate-the-blister-fluid-molecular-signature-in-epidermolysis-bullosa-patients-and-affect-leukocyte-and-stem-cell-migration
#9
Vitali Alexeev, Julio Cesar Salas-Alanis, Francis Palisson, Lila Mukhtarzada, Giulio Fortuna, Jouni Uitto, Andy South, Olga Igoucheva
Hereditary epidermolysis bullosa (EB) is associated with skin blistering and the development of chronic non-healing wounds. Although clinical studies have shown that cell-based therapies improve wound healing, recruitment of therapeutic cells to blistering skin and to more advanced skin lesions remains a challenge. Here, we analyzed cytokines and chemokines in blister fluids (BF) of patients affected by dystrophic, junctional and simplex EB. Our analysis revealed high levels of CXCR1, CXCR2, CCR2 and CCR4 ligands, particularly dominant in dystrophic and junctional EB...
July 20, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28732157/large-scale-statistics-for-threshold-optimization-of-optically-pumped-nanowire-lasers
#10
Juan Arturo Alanis, Dhruv Saxena, Sudha Mokkapati, Nian Jiang, Kun Peng, Xiaoyan Tang, Lan Fu, Hark Hoe Tan, Chennupati Jagadish, Patrick Parkinson
Single nanowire lasers based on bottom-up III-V materials have been shown to exhibit room-temperature near-infrared lasing, making them highly promising for use as nanoscale, silicon-integrable, and coherent light sources. While lasing behavior is reproducible, small variations in growth conditions across a substrate arising from the use of bottom-up growth techniques can introduce interwire disorder, either through geometric or material inhomogeneity. Nanolasers critically depend on both high material quality and tight dimensional tolerances, and as such, lasing threshold is both sensitive to and a sensitive probe of such inhomogeneity...
July 25, 2017: Nano Letters
https://www.readbyqxmd.com/read/28726590/a-method-of-managing-severe-traumatic-brain-injury-in-the-absence-of-intracranial-pressure-monitoring-the-ice-protocol
#11
Randall Chesnut, Nancy Temkin, Sureyya Dikmen, Carlos Rondina, Walter Videtta, Gustavo Petroni, Silvia Lujan, Victor Alanis, Antonio Luis Eiras Falcao, Gustavo La Fuente, Luis Gonzalez, Manuel Jibaja, Arturo Lavendez, Freddy Sandi Lora, Roberto Merida, Ricardo Romero, James Pridgeon, Jason Barber, Joan Machamer, Kelley Chaddock
Purpose - The imaging- and clinical-examination (ICE) algorithm used in the BEST TRIP ICP randomized controlled trial is the only prospectively investigated clinical protocol for TBI management without ICP monitoring. As the default literature standard, it warrants careful evaluation. Methods - We present the ICE protocol in detail and analyse the demographics, outcome, treatment intensity, frequency of intervention usage, and related adverse events in the ICE-protocol cohort. Results - The 167 ICE protocol patients were young (median 29 years) with a median Glasgow Coma Scale motor score of 4 but with anisocoria or abnormal pupillary reactivity in 40%...
July 20, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28709512/correlates-of-sleep-quality-and-sleep-duration-in-a-sample-of-urban-dwelling-elderly-nigerian-women
#12
Michael B Fawale, Isiaka Alani Ismaila, Adekunle F Mustapha, Morenikeji A Komolafe, Olanrewaju Ibigbami
OBJECTIVES: Aging, female sex, and urbanization increase the risk of sleep impairment. Sleep in urban-dwelling elderly African women has been sparsely studied. We studied the characteristics and correlates of sleep quality and habitual sleep duration in a primary care population of urban-living Nigerian women. METHODS: Sleep quality and sleep duration over the previous 1 month were estimated using the Pittsburgh Sleep Quality Index (PSQI). Excessive daytime sleepiness, risk of obstructive sleep apnea (OSA), and depressive symptoms were also assessed...
August 2017: Sleep Health
https://www.readbyqxmd.com/read/28703313/mesenchymal-stem-cells-a-new-platform-for-targeting-suicide-genes-in-cancer
#13
REVIEW
Rana Moradian Tehrani, Javad Verdi, Mahdi Noureddini, Rasoul Salehi, Reza Salarinia, Meysam Mosalaei, Miganosh Simonian, Behrang Alani, Moosa Rahimi Ghiasi, Mahmoud Reza Jaafari, Hamid Reza Mirzaei, Hamed Mirzaie
One of the important strategies for the treatment of cancer is gene therapy which has the potential to exclusively eradicate malignant cells, without any damage to the normal tissues. Gene-directed enzyme prodrug therapy (GDEPT) is a two-step gene therapy approach, where a suicide gene is directed to tumor cells. The gene encodes an enzyme that expressed intracellularly where it is able to convert a prodrug into cytotoxic metabolites. Various delivery systems have been developed to achieve the appropriate levels of tumor restricted expression of chemotherapeutic drugs...
July 13, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28693640/all-terrain-vehicle-related-injuries-and-deaths-in-newfoundland-and-labrador-between-2003-and-2013-a-retrospective-trauma-registry-review
#14
Holly Black, Desmond Whalen, Sabrina Alani, Peter Rogers, Cathy MacLean
BACKGROUND: Injury and death involving all-terrain vehicles (ATV) has been reported in a number of Canadian provinces. The objective of this study is to describe the frequency, nature, severity, population affected, immediate health costs, efficacy of related legislation, and helmet use in ATV related injuries and deaths in Newfoundland and Labrador (NL). METHODS: A retrospective review of injured or deceased ATV riders of all ages entered in the Newfoundland and Labrador Trauma Registry from 2003 to 2013 was conducted...
July 11, 2017: CJEM
https://www.readbyqxmd.com/read/28658390/foliar-phenolic-compounds-of-ten-wild-species-of-verbenacea-as-antioxidants-and-specific-chemomarkers
#15
J A Ávila-Reyes, N Almaraz-Abarca, A I Chaidez-Ayala, D Ramírez-Noya, E A Delgado-Alvarado, R Torres-Ricario, N Naranjo-Jiménez, R E Alanís-Bañuelos
The family Verbenaceae hosts important species used in traditional medicine of many countries. The taxonomic controversies concerning the specific delimitation of several of its species make it difficult to guarantee the botanical origin of herbal preparations based on species of this family. To contribute to the development of both specific chemomarkers and a quality control tool to authenticate the botanical origin of herbal preparations of Verbenacea species, we determined the foliar HPLC-DAD phenolic profiles and the antioxidant properties of 10 wild species of this family occurring in Mexico...
June 26, 2017: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/28633591/approaches-in-topical-ocular-drug-delivery-and-developments-in-the-use-of-contact-lenses-as-drug-delivery-devices
#16
Prina Mehta, Rita Haj-Ahmad, Ali Al-Kinani, Muhammad Sohail Arshad, Ming-Wei Chang, Raid G Alany, Zeeshan Ahmad
Drug-delivery approaches have diversified over the last two decades with the emergence of nanotechnologies, smart polymeric systems and multimodal functionalities. The intended target for specific treatment of disease is the key defining developing parameter. One such area which has undergone significant advancements relates to ocular delivery. This has been expedited by the development of material advancement, mechanistic concepts and through the deployment of advanced process technologies. This review will focus on the developments within lens-based drug delivery while touching on conventional and current methods of topical ocular drug delivery...
July 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/28625688/electrically-atomised-formulations-of-timolol-maleate-for-direct-and-on-demand-ocular-lens-coatings
#17
Prina Mehta, Ali Al-Kinani, Rita Haj-Ahmad, Muhammad Sohail Arshad, Ming-Wei Chang, G Raid Alany, Zeeshan Ahmad
Advances in nanotechnology have enabled solutions for challenging drug delivery targets. While the eye presents numerous emerging opportunities for delivery, analysis and sensing; issues persist for conventional applications. This includes liquid phase formulation localisation on the ocular surface once administered as formulated eye-drops; with the vast majority of dosage (>90%) escaping from the administered site due to tear production and various drainage mechanisms. The work presented here demonstrates a single needle electrohydrodynamic (EHD) engineering process to nano-coat (as an on demand and controllable fiber depositing method) the surface of multiple contact lenses rendering formulations to be stationary on the lens and at the bio-interface...
June 15, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28618035/population-pharmacokinetics-of-imatinib-in-nigerians-with-chronic-myeloid-leukemia-clinical-implications-for-dosing-and-resistance
#18
Babatunde Ayodeji Adeagbo, Tiwalade Adewale Olugbade, Muheez Alani Durosinmi, Rahman Ayodele Bolarinwa, Kayode Ogungbenro, Oluseye Oladotun Bolaji
Imatinib, a tyrosine kinase inhibitor, is the drug of choice for the treatment of chronic myeloid leukemia in Nigeria. Several studies have established interindividual and interpopulation variations in imatinib disposition although no pharmacokinetic study have been conducted in an African population since the introduction of the drug. This study explored a population pharmacokinetic approach to investigate the disposition of imatinib in Nigerians and examined the involvement of some covariates including genetic factors in the variability of the drug disposition with a view to optimize the use of the drug in this population...
June 15, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28604646/effect-of-supercritical-carbon-dioxide-extraction-parameters-on-the-biological-activities-and-metabolites-present-in-extracts-from-arthrospira-platensis
#19
Diego A Esquivel-Hernández, José Rodríguez-Rodríguez, Sara P Cuéllar-Bermúdez, J Saúl García-Pérez, Elena I Mancera-Andrade, Jade E Núñez-Echevarría, Aura Ontiveros-Valencia, Magdalena Rostro-Alanis, Rebeca M García-García, J Antonio Torres, Wei Ning Chen, Roberto Parra-Saldívar
Arthrospira platensis was used to obtain functional extracts through supercritical carbon dioxide extraction (SFE-CO₂). Pressure (P), temperature (T), co-solvent (CX), static extraction (SX), dispersant (Di) and dynamic extraction (DX) were evaluated as process parameters through a Plackett-Burman design. The maximum extract yield obtained was 7.48 ± 0.15% w/w. The maximum contents of bioactive metabolites in extracts were 0.69 ± 0.09 µg/g of riboflavin, 5.49 ± 0.10 µg/g of α-tocopherol, 524.46 ± 0...
June 12, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28603107/anti-fungal-and-anti-mycobacterial-activity-of-plants-of-nuevo-leon-mexico
#20
Blanca Alicia Alanis Garza, Joel López Arroyo, Gloria González González, Elvira Garza González, Elvira Garza González, Noemí Waksman de Torres, Ricardo Salazar Aranda
Severe fungal infections, particularly those caused by Candida spp, have increased in recent decades and are associated with an extremely high rate of morbidity and mortality. Since plants are an important source of potentially bioactive compounds, in this work the antifungal activity of the methanol extracts of 10 plants (Acacia rigidula, Buddleja cordata, Cephalanthus occidentalis, Juglans nigra, Parkinsonia aculeata, Parthenium hysterophorus, Quercus canbyi, Ricinus communis, Salvia coccinea and Teucrium bicolor) were evaluated...
January 2017: Pakistan Journal of Pharmaceutical Sciences
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