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https://www.readbyqxmd.com/read/28738556/development-of-a-new-sample-preparation-method-based-on-liquid-liquid-liquid-extraction-combined-with-dispersive-liquid-liquid-microextraction-and-its-application-on-unfiltered-samples-containing-high-content-of-solids
#1
Mir Ali Farajzadeh, Maryam Abbaspour
A new sample preparation method based on liquid-liquid-liquid extraction combined with dispersive liquid-liquid microextraction followed by gas chromatography-flame ionization detection has been reported for the extraction/preconcentration and determination of trace levels of twelve pesticide residues from different samples with high content of solids without filtration. This method consists of a three-phase system including an aqueous phase (sample solution), acetonitrile, and hexane. The extraction mechanism is based on different affinities of the substances from the sample matrices towards each of the involved phase, which provides a high selectivity to the process...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738538/diosmin-improved-cognitive-deficit-and-amplified-brain-electrical-activity-in-the-rat-model-of-traumatic-brain-injury
#2
Mohammad Ali Mirshekar, Hamed Fanaei, Fereshteh Keikhaei, Fatemeh Sargolzaee Javan
OBJECTIVE: Traumatic brain injury (TBI) is one of the main causes of intellectual and cognitive disabilities in humans. Clinically, it is essential to limit the progress of cognitive impairment after TBI. It is reported that diosmin has a neuroprotective effect that can limit the progress of the impairment. The aim of this study was to evaluate the effects of diosmin on neurological score, memory, tumor necrosis factor-α (TNF-α) level and long-term potentiation in hippocampal dentate gyrus after the injury...
July 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738516/one-pot-synthesis-of-three-dimensional-mn3o4-microcubes-for-high-level-sensitive-detection-of-head-and-neck-cancer-drug-nimorazole
#3
Rajaji Umamaheswari, Muthumariappan Akilarasan, Shen-Ming Chen, Yi-Hui Cheng, Veerappan Mani, Sakthivel Kogularasu, Fahad M A Al-Hemaid, M Ajmal Ali, Xiaoheng Liu
We described a three-dimensional Mn3O4 microcubes (3D-Mn3O4MCs) synthesised via a facile hydrothermal route for the determination of nimorazole (NMZ), an important drug that used in the treatment of head and neck cancer. The 3D-Mn3O4 MCs possess large active area and high conductivity, and 3D-Mn3O4 MCs film modified screen-printed carbon electrode (3D-Mn3O4MCs/SPCE) was fabricated which displayed excellent electrocatalytic ability towards NMZ. Under optimised working conditions, the modified electrode responded linearly to NMZ in the 0...
July 4, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28738502/formulation-and-optimization-of-lacidipine-loaded-niosomal-gel-for-transdermal-delivery-in-vitro-characterization-and-in-vivo-activity
#4
Mohd Qumbar, Ameeduzzafar, Syed Sarim Imam, Javed Ali, Javed Ahmad, Asgar Ali
The aim of the present research work is to formulate lacidipine (LAC) loaded niosomes formulation for the management of hypertension by thin film hydration technique. The developed formulations were statistically optimized by four factors, three levels Box-Behnken design and were evaluated for vesicle size, entrapment efficiency, and flux. The optimized LAC niosomes was further evaluated for permeation depth by confocal laser scanning microscopy (CLSM) and converted to gel formulation. Further, the optimized LAC niosomes gel was evaluated for ex-vivo permeation study, skin irritation study, stability study and pharmacodynamics study...
July 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738467/-epidemiological-survey-of-prevalence-of-hiv-infection-syphilis-and-hepatitis-c-in-female-sex-workers-and-other-6-risk-populations-in-tibet-autonomous-region
#5
S Lu, Y Cui, W Guo, D M Li, J Sun
Objective: To understand the prevalence of HIV infection, syphilis and hepatitis C and related behavioral factors in female sex workers (FSWs) and other 6 risk populations in Tibet Autonomous Region. Methods: A cross-sectional survey was conducted among 2 000 FSWs, 200 men who have sex with men (MSM), 200 drug users, 1 200 male migrants, 5 600 young students, as well as hospital patients and pregnant women in Lhasa, Qamdo, Nyingchi, Xigaze Shannan, Ali and Nagqum from June to December 2015. Face to face interviews were conducted to collect their demographic and behavioral information, and blood samples were collected for the tests of HIV, syphilis and hepatitis C virus (HCV) antibodies...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28738427/nanoemulsion-an-advanced-vehicle-for-efficient-drug-delivery
#6
Asad Ali, Vaseem Ahamad Ansari, Usama Ahmad, Juber Akhtar, Afroz Jahan
Advanced drug delivery system has now gained preference over the conventional drug delivery system. One such research is nanoemulsion which is famous among the researchers because of ease of formation, stability, clarity, increased absorption rate leading to increasing in bioavailability and potential to form a formulation with both lipophilic as well as the hydrophilic drug. Long lasting stability (up to years) and ability to encapsulate both lipophilic and hydrophilic drug has given this colloidal system a valuable position in drug delivery...
July 24, 2017: Drug Research
https://www.readbyqxmd.com/read/28738425/preparation-and-characterization-of-pegylated-iron-oxide-gold-nanoparticles-for-delivery-of-sulforaphane-and-curcumin
#7
Hossein Danafar, Ali Sharafi, Sonia Askarlou, Hamidreza Kheiri Manjili
Natural products have been used for the treatment of various diseases such as cancer. Curcumin (CUR) and sulforaphane (SF) have anti-cancer effects, but their application is restricted because of their low water solubility and poor oral bioavailability. To improve the bioavailability and solubility of SF and CUR, we performed an advanced delivery of SF and CUR with PEGylated gold coated Fe3O4 magnetic nanoparticles (PEGylated Fe3O4@Au NPs) to endorse SF and CUR maintenance as an effective and promising antitumor drugs...
July 24, 2017: Drug Research
https://www.readbyqxmd.com/read/28738290/cell-targeting-peptides-as-smart-ligands-for-targeting-of-therapeutic-or-diagnostic-agents-a-systematic-review
#8
REVIEW
Ali Mousavizadeh, Ali Jabbari, Mohammad Akrami, Hassan Bardania
Cell targeting peptides (CTP) are small peptides which have high affinity and specificity to a cell or tissue targets. They are typically identified by using phage display and chemical synthetic peptide library methods. CTPs have attracted considerable attention as a new class of ligands to delivery specifically therapeutic and diagnostic agents, because of the fact they have several advantages including easy synthesis, smaller physical sizes, lower immunogenicity and cytotoxicity and their simple and better conjugation to nano-carriers and therapeutic or diagnostic agents compared to conventional antibodies...
July 13, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28737959/influence-of-patient-related-factors-on-number-of-mesenchymal-stromal-cells-reached-after-in-vitro-culture-expansion-for-clinical-treatment
#9
Abbas Ali Qayyum, Kamal Preet Kaur, Anders Bruun Mathiasen, Mandana Haack-Sørensen, Annette Ekblond, Jens Kastrup
BACKGROUND: Number of stromal cells injected in patients with ischaemic heart disease (IHD) may be of importance for the treatment efficacy, which in turn may be influenced by various patient-related factors. In this study, we investigate whether patient-related factors influence the number of autologous stromal cells reached after in vitro culture expansion for clinical therapy. METHODS: Culture expansion data from 111 patients with IHD treated with autologous stromal cells in three clinical trials were used...
July 24, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28737933/efficient-application-of-continuous-fractional-component-monte-carlo-in-the-reaction-ensemble
#10
Ali Poursaeidesfahani, Remco Hens, Ahmadreza Rahbari, Mahinder Ramdin, David Dubbeldam, Thijs J H Vlugt
A new formulation of the Reaction Ensemble Monte Carlo technique (RxMC) combined with the Continuous Fractional Component Monte Carlo method is presented. This method is denoted by serial Rx/CFC. The key ingredient is that fractional molecules of either reactants or reaction products are present, and that chemical reactions always involve fractional molecules. Serial Rx/CFC has the following advantages compared to other approaches: (1) one directly obtains chemical potentials of all reactants and reaction products...
July 24, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28737861/effects-of-25-hydroxy-vitamin-d-levels-on-the-severity-and-asthma-control-in-school-age-asthma-patients
#11
Merve Havan, Cem H Razi, Ayse D Bulus, Ali O Köksal, Nesibe Andıran
BACKGROUND: The objective was to determine vitamin D levels in patients between the ages 6 and 18 years, followed for asthma, and the relation between vitamin D levels and asthma control and severity. MATERIALS AND METHODS: Patients with asthma and healthy volunteers between the ages 6 and 18 years were enrolled into the study as patient and control groups, respectively. Patient demographic information and clinical findings were recorded; a respiratory function test was performed...
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28737344/-prevalence-and-associated-factors-of-alcohol-consumption-among-students-of-the-sousse-region-of-tunisia
#12
Chekib Zedini, Jihène Sahli, Mariem El Ghardallou, Manel Mellouli, Manel Limam, Saoussen Bouhlel, Ali Mtiraoui, Thouraya Nabli Ajmi
This study was designed to determine the characteristics of alcohol consumption among Tunisian students. Alcohol consumption levels were comparable to those reported in the general population and were significantly related to smoking and drug use.</ce:para> <ce:para>The next step of this study will consist of developing strategies to prevent risk behaviours in the student population.</ce:para>.
April 27, 2017: Santé Publique: Revue Multidisciplinaire Pour la Recherche et L'action
https://www.readbyqxmd.com/read/28737329/-mobile-emergency-care-medical-records-audit-the-need-for-tunisian-guidelines
#13
Manel Mallouli, Imen Hchaichi, Asma Ammar, Jihène Sehli, Chekib Zedini, Ali Mtiraoui, Thouraya Ajmi
: This audit identified minor dysfunctions that could be due to the absence of local guidelines concerning medical records in general and more specifically SMUR. Corrective measures were set up in the context of a short-term and intermediate-term action plan.<np pagenum="072"/> </ce:para>.
March 6, 2017: Santé Publique: Revue Multidisciplinaire Pour la Recherche et L'action
https://www.readbyqxmd.com/read/28736968/endocannabinoids-in-arthritis-current-views-and-perspective
#14
REVIEW
Nicola Barrie, Vindhya Kuruppu, Emmanuel Manolios, Marina Ali, Minoo Moghaddam, Nicholas Manolios
Preclinical and clinical studies using cannabis-based therapy have been shown to provide both analgesia and anti-inflammatory effects, with an overall alleviation of clinical symptoms in animal models of arthritis, highlighting its promising therapeutic application for humans. Despite this, the development of cannabis-based therapeutics remains in its infancy, with further investigation into its efficacy and safety profile in patients still required. This synopsis reviews the various components of the endocannabinoid system in health and disease and their potential as therapeutic targets...
July 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28736731/a-mixed-methods-systematic-review-of-success-factors-of-mhealth-and-telehealth-for-maternal-health-in-sub-saharan-africa
#15
REVIEW
Mohamed Ali Ag Ahmed, Marie-Pierre Gagnon, Louise Hamelin-Brabant, Gisele Irène Claudine Mbemba, Hassane Alami
Access to health care is still limited for many women in sub-Saharan Africa (SSA), while it remains an important determinant of maternal mortality and morbidity. Information and communication technologies (ICTs), such as mhealth and telehealth, can help to facilitate this access by acting on the various obstacles encountered by women, be they socio-cultural, economic, geographical or organizational. However, various factors contribute to the success of mhealth and telehealth implementation and use, and must be considered for these technologies to go beyond the pilot project stage...
2017: MHealth
https://www.readbyqxmd.com/read/28736647/an-elderly-man-with-remote-history-of-metastatic-melanoma-now-with-localized-pancreas-cancer-and-new-liver-masses
#16
Neil Vasan, Maria Ignez Braghiroli, Alexander N Shoushtari, Richard Kinh Gian Do, Marcia Edelweiss, Ali Shamseddine, Walid Faraj, Deborah Mukherji, Ali Haydar, Ashwaq Olayan, Fouad Sabatin, Rita Assi, Imane El Dika, Leonard B Saltz, Ghassan K Abou-Alfa, Eileen M O'Reilly
No abstract text is available yet for this article.
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28736525/pharmaceutical-chaperones-and-proteostasis-regulators-in-the-therapy-of-lysosomal-storage-disorders-current-perspective-and-future-promises
#17
REVIEW
Fedah E Mohamed, Lihadh Al-Gazali, Fatma Al-Jasmi, Bassam R Ali
Different approaches have been utilized or proposed for the treatment of lysosomal storage disorders (LSDs) including enzyme replacement and hematopoietic stem cell transplant therapies, both aiming to compensate for the enzymatic loss of the underlying mutated lysosomal enzymes. However, these approaches have their own limitations and therefore the vast majority of LSDs are either still untreatable or their treatments are inadequate. Missense mutations affecting enzyme stability, folding and cellular trafficking are common in LSDs resulting often in low protein half-life, premature degradation, aggregation and retention of the mutant proteins in the endoplasmic reticulum...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28736512/attention-to-individuals-mixed-methods-for-n-of-1-health-care-interventions
#18
Peter H Van Ness, Terrence E Murphy, Ather Ali
In several ways, randomized controlled trials represent a high standard of rigor in clinical biomedical research. Randomized controlled trials fail, however, to yield knowledge applicable to specific individuals. This article presents a methodological rationale for a mixed methods approach to n-of-1 clinical studies that attends to the preferences and concerns of individuals while attaining high standards of qualitative and quantitative rigor. An illustrative research design involving a hypothetical music therapy intervention for a quality of life outcome is examined in some detail and a concluding argument is made that the proposed mixed methods approach is especially appropriate for early-stage research interventions intended to generate explanatory hypotheses...
July 2017: Journal of Mixed Methods Research
https://www.readbyqxmd.com/read/28736342/tfos-dews-ii-diagnostic-methodology-report
#19
REVIEW
James S Wolffsohn, Reiko Arita, Robin Chalmers, Ali Djalilian, Murat Dogru, Kathy Dumbleton, Preeya Gupta, Paul Karpecki, Sihem Lazreg, Heiko Pult, Benjamin D Sullivan, Alan Tomlinson, Louis Tong, Edoardo Villani, Kyung Chul Yoon, Lyndon Jones, Jennifer Craig
The role of the Tear Film and Ocular Surface Society (TFOS) Dry Eye Workshop (DEWS) II Diagnostic Methodology Subcommittee was 1) to identify tests used to diagnose and monitor dry eye disease (DED), 2) to identify those most appropriate to fulfil the definition of DED and its sub-classifications, 3) to propose the most appropriate order and technique to conduct these tests in a clinical setting, and 4) to provide a differential diagnosis for DED and distinguish conditions where it is a comorbidity. Symptom screening with the DEQ-5 or OSDI confirms that a patient might have DED and triggers the diagnostic tests of (ideally non-invasive) breakup time, osmolarity and ocular surface staining with fluorescein and lissamine green (observing the cornea, conjunctiva and eyelid margin)...
May 4, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28736258/prevalence-and-trends-of-obesity-among-adult-sudanese-individuals-population-based-study
#20
Mohamed H Ahmed, Yasmeen A Ali, Heitham Awadalla, Wadie M Elmadhoun, Sufian K Noor, Ahmed O Almobarak
AIM: The prevalence of obesity has increased across the globe in particular in Africa. The aim of this study was to determine the prevalence of obesity in Sudan. MATERIAL AND METHODS: Descriptive, cross sectional study recruited 7239 individuals. Demographic and clinical data were collected by an interview using a pretested standardised questionnaire. Anthropometric measurements including body weight, height and waist circumference have been taken using standardized techniques and calibrated equipment...
July 11, 2017: Diabetes & Metabolic Syndrome
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