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https://www.readbyqxmd.com/read/29656356/performance-of-synthesized-cast-and-electrospun-pva-chitosan-zno-nh-2-nano-adsorbents-in-single-and-simultaneous-adsorption-of-cadmium-and-nickel-ions-from-wastewater
#1
Mehran Bozorgi, Saeed Abbasizadeh, Faranak Samani, Seyyed Ebrahim Mousavi
The performance of synthesized cast and electrospun polyvinyl alcohol/chitosan/zinc oxide/aminopropyltriethoxylsilane (PVA/chitosan/ZnO-APTES) nano-adsorbents were compared in removal of Cd(II) and Ni(II) ions from wastewater. The adsorbents were characterized by SEM, BET, FTIR and TGA analyses. Furthermore, the swelling investigations were carried out to study the adsorbent stability in aqueous solution. The effect of several parameters such as contents of ZnO-NH2 , contact time, initial Cd(II) and Ni(II) concentration and temperature on the adsorption capacity was investigated in a batch mode...
April 14, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29648944/parents-concerns-regarding-the-growth-characteristics-of-their-adolescents-a-qualitative-inquiry-in-iran
#2
Mohammad Ali Cheraghi, Parvaneh Rezasoltani, AbouAli Vedadhir, Ziba Taghizadeh, Seyyed Hossein Samadanifard
In recent times, parents have become increasingly concerned, both subjectively and objectively, about their adolescents' body height/weight growth. Parent-adolescent interactions about this issue and the potential socio-psychological consequences of such interactions should be considered as an important influencing factor on the future of adolescents' sexual and reproductive health. To achieve a greater understanding of such concerns, it is necessary to further elucidate parents' experiences on this topic, so as to expand the existing literature...
December 2018: International Journal of Qualitative Studies on Health and Well-being
https://www.readbyqxmd.com/read/29627234/nasal-vaccination-with-r4m2e-hsp70c-antigen-encapsulated-into-n-trimethyl-chitosan-tmc-nanoparticulate-systems-preparation-and-immunogenicity-in-a-mouse-model
#3
Mehran Dabaghian, Ali Mohammad Latifi, Majid Tebianian, Hamid NajmiNejad, Seyyed Mahmoud Ebrahimi
In this study, the potential of N-trimethyl chitosan (TMC) nanoparticles as a carrier system for the nasal delivery of the r4M2e.HSP70c, as an M2e-based universal recombinant influenza virus vaccine candidate, was investigated in mice. The anti-M2e specific cellular and humoral immune responses were assessed and the protective efficacy against a 90% lethal dose (LD90) of influenza A/PR/8/34 (H1N1) in a mice model was evaluated. Our results showed that the intranasal immunization of mice with r4M2e.HSP70c+TMC rather than the control groups, r4M2e+TMC, r4M2e and PBS (Phosphate buffer saline), significantly elevated both longevity and serum level of the total M2e-specific IgG antibody with a significant shift in the IgG2a/IgG1 ratio toward IgG2a, induced a Th1 skewed humoral and cellular immune responses, increased IFN-γ, IgG, and IgA in the bronchoalveolar lavage fluid (BALF), and promoted the proliferation of peripheral blood lymphocytes with lower morbidity and mortality rate against viral challenge...
April 4, 2018: Vaccine
https://www.readbyqxmd.com/read/29623832/herbs-with-potential-nephrotoxic-effects-according-to-traditional-persian-medicine-review-and-assessment-of-scientific-evidence
#4
Fatemeh Kolangi, Zahra Memariani, Mahboubeh Bozorgi, Seyyed Ali Mozaffarpur, Mohaddeseh Mirzapour
BACKGROUND: The increased use of herbal remedies particularly in patients with kidney diseases indicated the importance of studies which focused on nephrotoxic plants. OBJECTIVE: The present study aimed to review and assess the kidney-damaging herbs mentioned in the Persian medicine [PM] books. METHODS: The main PM books were searched for nephrotoxic herbs and their relevant reformers traditionally proposed for preventing renal damage. PubMed, Scopus and Google Scholar were investigated for evaluation of the scientific evidence relating to the nephrotoxicity of herbs...
April 3, 2018: Current Drug Metabolism
https://www.readbyqxmd.com/read/29623136/the-effects-of-continuous-positive-airway-pressure-on-premature-ventricular-contractions-and-ventricular-wall-stress-in-patients-with-heart-failure-and-sleep-apnea
#5
Sabri Seyis, Adnan Kazım Usalan, Ibrahim Rencuzogullari, Özge Kurmuş, Adil Can Gungen
Background: We aimed to investigate the effects of continuous positive airway pressure (CPAP) treatment on electrocardiography (ECG), premature ventricular contraction load on 24-hour Holter recordings, and implantable cardioverter defibrillator (ICD) shocks in patients with obstructive sleep apnea syndrome (OSAS) and heart failure. Methods: Patients with heart failure and ICD and patients with newly diagnosed OSAS were divided into two groups according to CPAP treatment...
2018: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/29618398/a-simple-vortex-assisted-magnetic-dispersive-solid-phase-microextraction-system-for-preconcentration-and-separation-of-triazine-herbicides-from-environmental-water-and-vegetable-samples-using-fe%C3%A2-o%C3%A2-mil-100-fe-sorbent
#6
Atefe Nasrollahpour, Seyyed Ershad Moradi
A vortex-assisted magnetic dispersive solid phase microextraction coupled with high-performance liquid chromatography has been developed for the extraction and determination of triazine herbicides by using magnetic metal organic frameworks [Fe₃O₄@MIL-100(Fe)] in environmental water and vegetable samples. The Fe₃O₄@MIL-100(Fe) composite has been characterized by using X-ray diffraction spectroscopy, tunneling electron microscopy, thermogravimetric measurement, and Brunauer-Emmett-Teller analysis. The method is based on the sorption of triazine herbicides on Fe₃O₄@MIL-100(Fe) because of the complex formation between iron oxide nanoparticles and triazine herbicides beside π-π interactions between organic parts of Fe₃O₄@MIL-100(Fe) and triazine herbicides...
April 4, 2018: Journal of AOAC International
https://www.readbyqxmd.com/read/29599022/a-robust-periodic-capacitated-arc-routing-problem-for-urban-waste-collection-considering-drivers-and-crew-s-working-time
#7
Erfan Babaee Tirkolaee, Iraj Mahdavi, Mir Mehdi Seyyed Esfahani
In this paper, a novel mathematical model is developed for robust periodic capacitated arc routing problem (PCARP) considering multiple trips and drivers and crew's working time to study the uncertain nature of demand parameter. The objective function of the proposed model aims to minimize total traversed distance and total usage cost of vehicles over a planning period. To solve the problem, an improved hybrid simulated annealing algorithm (SA) is developed based on a heuristic algorithm and an efficient cooling equation...
March 26, 2018: Waste Management
https://www.readbyqxmd.com/read/29589233/environmental-impact-of-rice-production-based-on-nitrogen-fertilizer-use
#8
Mandana Tayefeh, Seyyed Mustafa Sadeghi, Seyyed Ali Noorhosseini, Jacopo Bacenetti, Christos A Damalas
While essential to food production, nitrogen (N) fertilizers in agricultural ecosystems are also important sources of environmental pollution nationally and globally. The environmental impact of three N fertilization levels (30, 60, and 90 kg ha-1 ) plus a non-N control (0 kg ha-1 ) in growing three rice cultivars (cv. Hashemi, cv. Alikazemi, and cv. Khazar) were assessed for 2 years in northern Iran, with the methodology of the life cycle assessment (LCA). The impact categories evaluated in this study were global warming, acidification, terrestrial eutrophication, and depletion of fossil, phosphate, and potassium resources...
March 27, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29576788/successful-treatment-of-a-catheter-induced-superior-vena-cava-syndrome-through-catheter-directed-thrombolysis-a-case-report
#9
Reza Ghanavati, Ali Amiri, Nafiseh Ansarinejad, Shokoufeh Hajsadeghi, Hasan Riahi Beni, Seyyed Hashem Sezavar
Superior vena cava (SVC) syndrome is a medical condition resulting from the obstruction of the blood flow through the large central veins. Recently, central venous catheters have been reported as the increasingly common cause of this syndrome. We describe a 56-year-old woman with previous history of metastatic colon cancer, who had recently undergone central venous catheter insertion for her second chemotherapy course. Eight days following port insertion, she presented with signs and symptoms suggestive of acute SVC syndrome, which was successfully managed with catheter-directed thrombolysis...
October 2017: Journal of Tehran Heart Center
https://www.readbyqxmd.com/read/29568184/antioxidant-activities-of-basella-alba-aqueous-leave-extract-in-blood-pancreas-and-gonadal-tissues-of-diabetic-male-wistar-rats
#10
Dennis Seyi Arokoyo, Ibukun Peter Oyeyipo, Stefan Simon Du Plessis, Yapo Guillaume Aboua
Background: Oxidative stress is frequently identified as a key element in the pathophysiology of many complications of diabetes mellitus, including reproductive complications. The antioxidant potential of medicinal plants have been suggested for therapeutic focus of diseases in recent reports. Objective: To investigate the effect of Basella alba (Ba) aqueous leave extract on diabetes-induced oxidative stress. Materials and Methods: Forty male Wistar rats (8-10 weeks) were randomly divided into four groups ( n = 10) and treated as follows; Control (C + Ns) and Diabetic (D + Ns) animals received oral normal saline 0...
January 2018: Pharmacognosy Research
https://www.readbyqxmd.com/read/29567488/blockade-of-nuclear-factor-%C3%AE%C2%BAb-nf-%C3%AE%C2%BAb-pathway-inhibits-growth-and-induces-apoptosis-in-chemoresistant-ovarian-carcinoma-cells
#11
Majid Momeny, Hassan Yousefi, Haniyeh Eyvani, Farima Moghaddaskho, Ali Salehi, Fatemeh Esmaeili, Zivar Alishahi, Farinaz Barghi, Somaye Vaezijoze, Sahar Shamsaiegahkani, Ghazaleh Zarrinrad, Ghazaleh Sankanian, Zahra Sabourinejad, Sepideh Hamzehlou, Davood Bashash, Elaheh S Aboutorabi, Parisa Ghaffari, Ahmad R Dehpour, Seyyed M Tavangar, Javad Tavakkoly-Bazzaz, Kamran Alimoghaddam, Ardeshir Ghavamzadeh, Seyed H Ghaffari
Epithelial ovarian cancer (EOC) has exhibited marginal improvement in survival rate, despite advances in surgical debulking and chemotherapy regimens. Although the majority of EOC patients achieve a clinical remission after induction therapy, over 80% relapse and succumb to chemoresistant disease. In this regard, it is of paramount importance to elucidate molecular mechanisms and signaling pathways which promote therapy resistance in EOC in order to devise novel and more effective treatment strategies. In this study, we showed that activation of nuclear factor-κB (NF-κB) is significantly higher in therapy-resistant EOC cells compared to chemosensitive counterparts, which was positively associated with resistance to cisplatin, carboplatin, paclitaxel and erlotinib...
March 19, 2018: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/29564119/the-effect-of-inulin-as-a-fat-substitute-on-the-physicochemical-and-sensory-properties-of-chicken-sausages
#12
Fereshteh Alaei, Mohammad Hojjatoleslamy, Seyyed Majid Hashemi Dehkordi
Due to its high thermal resistance and compatibility with the sausage emulsion system, the long-chain inulin can be used as a fat substitute in the formulation of this product. This study was conducted to investigate the effect of inulin on the physicochemical, textural, and sensory properties of chicken sausages. The study included treatments of 25%, 50%, 75%, and 100% substitution. After preparing the samples, their physicochemical, textural, calorimetric, and sensory properties were evaluated. The treatment of 100% substitution of inulin had the maximum amount of sugar (29...
March 2018: Food Science & Nutrition
https://www.readbyqxmd.com/read/29564060/comparison-of-helicobacter-pylori-eradication-regimens-in-patients-with-end-stage-renal-disease
#13
Mohammadreza Seyyed Majidi, Peyman Sanjari Pirayvatlou, Majid Rajabikashani, Mona Firoozabadi, Seyed Ali Seyed Majidi, Jamshid Vafaeimanesh
Aim: The aim of this study was to compare the Helicobacter pylori (HP) eradication regimens in patients with end stage renal disease. Background: In patients undergoing hemodialysis, the pathologic changes seen in the stomach may be the result of high serum levels of gastrin, delayed gastric emptying or HP infection. Methods: Our study was a randomized clinical trial in which 120 patients with ESRD (Patients who undergo hemodialysis) confirmed HP infection, were divided to four groups having 2-week eradication regimens; Group I: LCA (lansoprazole 30 mg-BD,clarithromycin 250 mg-BD, amoxicillin 500 mg-BD), Group II: LCM (lansoprazole 30 mg-BD,clarithromycin 250 mg-BD, metronidazole 500 mg-BD), Group III: LCAM (lansoprazole 30 mg-BD,clarithromycin 250 mg-BD,amoxicillin 500 mg-BD, metronidazole 500 mg-BD) and Group IV: Sequential (lansoprazole 30 mg-BDfor two weeks; first week: amoxicillin 500 mg-BD and second week: clarithromycin 250 mg-BD, metronidazole 500 mg-BD)...
2018: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/29562091/the-cl-functionalized-aluminum-nitride-aln-and-aluminum-phosphide-alp-nanocone-sheets-as-hydrogen-selenide-h2se-sensor-a-density-functional-investigation
#14
Seyyed Milad Abrishamifar, Negar Heidari, Razieh Razavi, Milad Janghorban Lariche, Meysam Najafi
The adsorption of H2Se molecule on AlN-NCS and AlP-NCS surfaces were investigated by using of DFT calculations. The potentials of Cl-functionalized AlN-NCS and AlP-NCS for H2Se adsorption were examined. All processes of H2Se-adsorption on considered nanocone sheets were exothermic reactions. The calculated |Ead| amount of complex H2Se with AlP-NCS was higher than AlN-NCS. The functionalization of considered nanocone sheets with Cl atom increase |Ead| amount of H2Se. Results reveal that, obtained Ead amounts of considered nanocone sheets have linear relationships with corresponding orbital energy amounts...
March 2018: Acta Chimica Slovenica
https://www.readbyqxmd.com/read/29546067/a-proposed-approach-for-joint-modeling-of-the-longitudinal-and-time-to-event-data-in-heterogeneous-populations-an-application-to-hiv-aids-s-disease
#15
Narges Roustaei, Seyyed Mohammad Taghi Ayatollahi, Najaf Zare
In recent years, the joint models have been widely used for modeling the longitudinal and time-to-event data simultaneously. In this study, we proposed an approach (PA) to study the longitudinal and survival outcomes simultaneously in heterogeneous populations. PA relaxes the assumption of conditional independence (CI). We also compared PA with joint latent class model (JLCM) and separate approach (SA) for various sample sizes (150, 300, and 600) and different association parameters (0, 0.2, and 0.5). The average bias of parameters estimation (AB-PE), average SE of parameters estimation (ASE-PE), and coverage probability of the 95% confidence interval (CP) among the three approaches were compared...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29531925/the-comparison-of-nasaleze-and-mometasone-nasal-spray-to-control-the-symptoms-of-allergic-rhinitis
#16
Nafiseh Sadat Mahmoodi, Seyyed Ahmad Reza Okhovat, Seyyed Hamid Reza Abtahi, Amirhossein Moslehi
Background: Nasal corticosteroids are the main drug class for the treatment of allergic rhinitis, and their long-term continuous use can be problematic. The current study aimed to compare the use of Nasaleze and mometasone nasal spray in patients with allergic rhinitis. Materials and Methods: In this study, 64 patients were studied in two groups of 32 patients. Nasaleze was used for the first group and mometasone for the second group for 4 weeks. The severity of sneezing, runny nose, tearing, nasal congestion, itchy eyes, and scratchy throat were evaluated at the onset of the study, and also 14 and 28 days after treatment in the form of a single-blind study...
2018: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29525157/experimental-design-data-for-the-zinc-ions-adsorption-based-on-mesoporous-modified-chitosan-using-central-composite-design-method
#17
Seyyed Javad Mousavi, Mehdi Parvini, Mohsen Ghorbani
In the present study, new generation of silica-based mesoporous adsorbents were introduced for the removal of heavy metals with the aim of developing new adsorption technologies in water treatment. The magnetic nanoadsorbent, prepared by modification of SBA-15 with [3-(2-Aminoethylamino) propyl] trimethoxysilane (AEAPTMS)-functionalized chitosan, was applied for the removal of Zn2+ from aqueous solution. The synthesized Fe2 O3 @SBA-15-CS-AEAPTMS nanoadsorbent was thoroughly characterized using XRD, TEM, FTIR and BET analysis...
May 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29518399/nicotine-and-caffeine-alter-the-effects-of-the-lps-primed-mesenchymal-stem-cells-on-the-co-cultured-neutrophils
#18
Ardeshir Abbasi, Nasim Rahmani Kukia, Seyyed Meysam Abtahi Froushani, Seyed Mahmoud Hashemi
PURPOSE: Mesenchymal stem cells (MSCs) express some of the nicotinic receptor subunits and adenosine receptors. The communication between tissue MSCs with neutrophils has been shown in previous studies. The aim of the present study is to determine the role of nicotine or caffeine on MSCs and its effects on neutrophils. METHODS: After the isolation, MSCs were pulsed with LPS (10 ng/ml) for 1 h. Then, MSCs were incubated with different concentrations of caffeine (0...
April 15, 2018: Life Sciences
https://www.readbyqxmd.com/read/29518393/naringenin-ameliorates-learning-and-memory-impairment-following-systemic-lipopolysaccharide-challenge-in-the-rat
#19
Mohammad-Reza Khajevand-Khazaei, Pouria Ziaee, Seyyed-Alireza Motevalizadeh, Mahdi Rohani, Siamak Afshin-Majd, Tourandokht Baluchnejadmojarad, Mehrdad Roghani
Systemic inflammation following infection is usually associated with long-term complications including cognitive deficit and dementia. Neuroinflammation and cognitive decline are also main hallmarks of several neurological conditions. Naringenin is a citrus flavanone with anti-inflammatory, neuroprotective, and antioxidant potential. In this study, the protective effect of naringenin against lipopolysaccharide (LPS)-induced cognitive decline was evaluated in the rat. LPS was daily injected at a dose of 167μg/kg for 1 week and naringenin was administered p...
March 5, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29509074/mathematical-modeling-of-ethanol-production-in-solid-state-fermentation-based-on-solid-medium-dry-weight-variation
#20
Davood Mazaheri, Seyed Abbas Shojaosadati, Seyed Morteza Zamir, Seyyed Mohammad Mousavi
In this work, mathematical modelling of ethanol production in solid-state fermentation (SSF) has been done based on the variation in the dry weight of solid medium. This method was previously used for mathematical modelling of enzyme production, however, the model should be modified to predict the production of a volatile compound like ethanol. The experimental results of bioethanol production from the mixture of carob pods and wheat bran by Zymomonas mobilis in SSF were used for the model validation. Exponential and logistic kinetic models were used for modelling the growth of microorganism...
March 6, 2018: Preparative Biochemistry & Biotechnology
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