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https://www.readbyqxmd.com/read/29353175/phyto-management-of-chromium-contaminated-soils-through-sunflower-under-exogenously-applied-5-aminolevulinic-acid
#1
Mujahid Farid, Shafaqat Ali, Muhammad Rizwan, Qasim Ali, Rashid Saeed, Tauqir Nasir, Ghulam Hasan Abbasi, Muhammad Ishaq Asif Rehmani, Syed Tahir Ata-Ul-Karim, Syed Asad Hussain Bukhari, Tanvir Ahmad
Soil contamination with heavy metals is threatening the food security around the globe. Chromium (Cr) contamination results in poor quality and reduction in yield of crops. The present research was performed to figure out the Cr toxicity in sunflower and the ameliorative role of 5-aminolevulinic acid (ALA) as a plant growth regulator. The sunflower (FH-614) was grown under increasing concentration of Cr (0, 5, 10 and 20mgkg-1) alone and/or in combination with 5-ALA (0, 10 and 20mgL-1). Results showed that Cr suppressed the overall growth, biomass, gas exchange attributes and chlorophyll content of sunflower plants...
January 17, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29352932/the-effect-of-nanocrystalline-cellulose-on-flow-properties-of-fiber-crop-aqueous-suspension
#2
Samira Gharehkhani, Seyed Farid Seyed Shirazi, Hooman Yarmand, Elham Montazer, Salim Newaz Kazi, Rushdan Ibrahim, Mehdi Ashjaei, Nurin Wahidah Binti Mohd Zulkifli, Sadegh Rahmati
Nanocrystalline cellulose (NCC) a nature-based material, has gained significant attentions for its unique properties. The present study aims to investigate the flow behavior of cellulosic suspension containing non-wood pulp fibers and NCC, by means of rheological and pressure drop measurements. The NCC sample was prepared by sulfuric acid hydrolysis from Acacia mangium fibers. The rheological properties of kenaf/NCC suspensions were studied using viscosity and yield stress measurements. The pressure drop properties of the suspension flow were studied with respect to variation in flow velocity (0...
March 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29351188/proangiogenic-effect-of-metformin-in-endothelial-cells-is-via-upregulation-of-vegfr1-2-and-their-signaling-under-hyperglycemia-hypoxia
#3
Sherin Bakhashab, Farid Ahmed, Hans-Juergen Schulten, Fahad W Ahmed, Michael Glanville, Mohammed H Al-Qahtani, Jolanta U Weaver
Cardiovascular disease is the leading cause of morbidity/mortality worldwide. Metformin is the first therapy offering cardioprotection in type 2 diabetes and non-diabetic animals with unknown mechanism. We have shown that metformin improves angiogenesis via affecting expression of growth factors/angiogenic inhibitors in CD34⁺ cells under hyperglycemia-hypoxia. Now we studied the direct effect of physiological dose of metformin on human umbilical vein endothelial cells (HUVEC) under conditions mimicking hypoxia-hyperglycemia...
January 19, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29349819/incidence-and-predictors-of-sudden-cardiac-death-after-heart-transplantation-a-systematic-review-and-meta-analysis
#4
Ana C Alba, Farid Foroutan, Nicholas Kwet Vong Ng Fat Hing, Chun-Po S Fan, Cedric Manlhiot, Heather J Ross
PORPUSE: Sudden cardiac death (SCD) is an important post-transplant problem being responsible for approximately 10% of deaths. We conducted a systematic review and meta-analysis to evaluate incidence and predictors of post-heart transplant SCD, and use of implantable cardiac defibrillator (ICD). METHODS: Citations were identified in electronic databases and references of included studies. Observational studies on adults reporting on incidence and predictors of post-transplant SCD and ICD use were selected...
January 19, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29348106/report-palladium-glutathione-n-acetylcysteine-d-penicillamine-conjugation-chemistry
#5
Muhammad Mukhtiar, Syed Umer Jan, Muhammad Farid Khan, Naseem Ullah, Abid Hussain, Saifur Rehman, Muhammad Murtaza Qureshi
The metalloelement Palladium has a number of potential Pharmaco-clinical advantages. Palladium compounds have antiviral, antibacterial, neuroprotective and antitumor properties. However studies have also indicated some mild to serious toxic effects of Palladium metalloelements. Biothiols are important antioxidants that provide protection against metals toxicity. The interaction of metalloelements with biothiols can provide valuable information about the level of toxicity of the metalloelements and about the protective role of biothiols thereof...
January 2018: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29345426/single-dose-intravenous-iron-in-southeast-asian-heart-failure-patients-a-pilot-randomized-placebo-controlled-study-practice-asia-hf
#6
Tee Joo Yeo, Poh Shuan Daniel Yeo, Farid Abdul Hadi, Timothy Cushway, Kim Yee Lee, Fang Fang Yin, Anne Ching, Ruili Li, Seet Yoong Loh, Shir Lynn Lim, Raymond Ching-Chiew Wong, Bee Choo Tai, Arthur Mark Richards, Carolyn S P Lam
AIMS: Iron deficiency is highly prevalent in Southeast Asians with heart failure (HF) and associated with worse outcomes. This trial aimed to assess the effect of intravenous iron in Southeast Asians hospitalized with decompensated HF. METHODS AND RESULTS: Fifty patients hospitalized for acute decompensated HF, regardless of ejection fraction, with iron deficiency (defined as serum ferritin <300 ng/mL if transferrin saturation is <20%) were randomized to receive either one dose of intravenous ferric carboxymaltose (FCM) 1000 mg or placebo (0...
January 18, 2018: ESC Heart Failure
https://www.readbyqxmd.com/read/29342114/gan-based-laser-wireless-power-transfer-system
#7
Carlo De Santi, Matteo Meneghini, Alessandro Caria, Ezgi Dogmus, Malek Zegaoui, Farid Medjdoub, Boris Kalinic, Tiziana Cesca, Gaudenzio Meneghesso, Enrico Zanoni
The aim of this work is to present a potential application of gallium nitride-based optoelectronic devices. By using a laser diode and a photodetector, we designed and demonstrated a free-space compact and lightweight wireless power transfer system, whose efficiency is limited by the efficiency of the receiver. We analyzed the effect of the electrical load, temperature, partial absorption and optical excitation distribution on the efficiency, by identifying heating and band-filling as the most impactful processes...
January 17, 2018: Materials
https://www.readbyqxmd.com/read/29341656/quantum-correlations-in-nonlocal-boson-sampling
#8
Farid Shahandeh, Austin P Lund, Timothy C Ralph
Determination of the quantum nature of correlations between two spatially separated systems plays a crucial role in quantum information science. Of particular interest is the questions of if and how these correlations enable quantum information protocols to be more powerful. Here, we report on a distributed quantum computation protocol in which the input and output quantum states are considered to be classically correlated in quantum informatics. Nevertheless, we show that the correlations between the outcomes of the measurements on the output state cannot be efficiently simulated using classical algorithms...
September 22, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29338152/generation-and-characterization-of-siglec-f-specific-monoclonal-antibodies
#9
Sima Shahmohammadi-Farid, Roya Ghods, Mahmood Jeddi-Tehrani, Ali-Ahmad Bayat, Nazanin Mojtabavi, Alireza Razavi, Amir-Hassan Zarnani
Siglec-F (SF) is a surface glycoprotein expressed by mouse eosinophils and induces caspase- and mitochondria-dependent apoptosis after engagement with its cognate ligand or specific antibodies. This targeting eosinophils by monoclonal antibodies may help diverse diseases associated with increased frequency of eosinophils including allergy and asthma. In this paper, production of murine and rat monoclonal antibodies (mAbs) against Siglec-F has been addressed. Balb/c mice were immunized with siglec-F1 (SF1) and siglec-F2 (SF2) synthetic peptides conjugated to a carrier protein...
December 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29336090/microsphere-assemblies-via-phosphonate-monoester-coordination-chemistry
#10
Kamila J Bladek, Margaret E Reid, Hirotomo Nishihara, Farid Akhtar, Benjamin S Gelfand, George K H Shimizu
By complexing a bent phosphonate monoester ligand with cobalt(II), coupled with in situ ester hydrolysis, coordination microspheres (CALS=CALgary Sphere) are formed whereas the use of the phosphonic acid directly resulted in a sheet-like structure. Manipulation of the synthetic conditions gave spheres with different sizes, mechanical stabilities, and porosities. Time-dependent studies determined that the sphere formation likely occurred through the formation of a Co2+ and ligand chain that propagates in three dimensions through different sets of interactions...
January 16, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29335097/aspheric-versus-wavefront-guided-aspheric-photorefractive-keratectomy-in-eyes-with-significant-astigmatism
#11
Amir Faramarzi, Majid Moshirfar, Farid Karimian, Siamak Delfazayebaher, Bahareh Kheiri
PURPOSE: To compare the refractive and higher-order aberrations (HOAs) outcomes after photorefractive keratectomy (PRK) in patients with significant astigmatism using aspheric versus wavefront-guided aspheric profiles. SETTING: Ophthalmic Research Center and Department of Ophthalmology, Shahid Beheshti University of Medical Sciences, Negah Eye Hospital, Tehran, Iran. DESIGN: Prospective randomized case series. METHODS: One eye of each patient with a refractive astigmatism more than 2...
December 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29334239/antimicrobial-and-antiquorum-sensing-activity-of-ricinus-communis-extracts-and-ricinine-derivatives
#12
Mai H El-Naggar, Abdelaziz Elgaml, Fatma M Abdel Bar, Farid A Badria
Ricinine (1), a known major alkaloid in Ricinus communis plant, was used as a starting compound for the synthesis of six ricinine derivatives; two new and four known compounds. The new derivatives; 3-amino-5-methyl-1H-pyrazolo[4,3-c]pyridin-4(5H)-one (2), and 3-amino-5-methyl-1-(phenylsulfonyl)-1H-pyrazolo[4,3-c]pyridin-4(5H)-one (3), as well as the previously prepared derivatives (4-7) were subjected for antimicrobial and antiquorum-sensing evaluation in comparison to different R. communis extracts. Acetyl ricininic acid derivative (5) showed the highest antimicrobial activity among all tested derivatives against Staphylococcus aureus, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeuroginosa and Candida albicans...
January 15, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29331223/structure-based-design-and-application-of-a-nucleotide-coenzyme-mimetic-ligand-application-to-the-affinity-purification-of-nucleotide-dependent-enzymes
#13
Marigianna Marinou, Dimitrios Platis, Farid S Ataya, Evangelia Chronopoulou, Dimitrios Vlachakis, Nikolaos E Labrou
In the present study, a structure-based approach was exploited for the in silico design of a nucleotide coenzyme mimetic ligand. The enzyme formate dehydrogenase (FDH) was employed as a model in our study. The biomimetic ligand was designed and synthesized based on a tryptamine/3-aminopropylphosphonic acid bi-substituted 1,3,5-triazine (Trz) scaffold (Tra-Trz-3APP), which potentially mimics the interactions of NAD+-FDH complex. Molecular docking studies of the biomimetic ligand predicted that it can occupy the same binding site as the natural coenzyme...
January 3, 2018: Journal of Chromatography. A
https://www.readbyqxmd.com/read/29331014/biochemical-characterization-of-recombinant-thermostable-cohnella-sp-a01-%C3%AE-glucanase
#14
Meysam Rezaie, Saeed Aminzadeh, Farid Heidari, Masoud Mashhadi Akbar Boojar, Ali Asghar Karkhane
Background: Typically, non-cellulytic glucanase, including fungi and yeast cell wall hydrolyzing enzymes, are release by some symbiotic fungi and plants during the mycoparasitic fungi attack on plants. These enzymes are known as the defense mechanisms of plants. This study intends to investigate the biochemical properties of β-1,6-glucanase (bg16M) from native thermophilic bacteria, Cohnella A01. Methods: bg16M gene was cloned and expressed in E. coli BL21 (DE3)...
January 13, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29328687/erratum-ultrafine-entanglement-witnessing-phys-rev-lett-118-110502-2017
#15
Farid Shahandeh, Martin Ringbauer, Juan C Loredo, Timothy C Ralph
This corrects the article DOI: 10.1103/PhysRevLett.118.110502.
December 29, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29323037/bone-marrow-derived-mesenchymal-stem-cells-ameliorate-sodium-nitrite-induced-hypoxic-brain-injury-in-a-rat-model
#16
Elham H A Ali, Omar A Ahmed-Farid, Amany A E Osman
Sodium nitrite (NaNO2) is an inorganic salt used broadly in chemical industry. NaNO2 is highly reactive with hemoglobin causing hypoxia. Mesenchymal stem cells (MSCs) are capable of differentiating into a variety of tissue specific cells and MSC therapy is a potential method for improving brain functions. This work aims to investigate the possible therapeutic role of bone marrow-derived MSCs against NaNO2 induced hypoxic brain injury. Rats were divided into control group (treated for 3 or 6 weeks), hypoxic (HP) group (subcutaneous injection of 35 mg/kg NaNO2 for 3 weeks to induce hypoxic brain injury), HP recovery groups N-2wR and N-3wR (treated with the same dose of NaNO2 for 2 and 3 weeks respectively, followed by 4-week or 3-week self-recovery respectively), and MSCs treated groups N-2wSC and N-3wSC (treated with the same dose of NaNO2 for 2 and 3 weeks respectively, followed by one injection of 2 × 106 MSCs via the tail vein in combination with 4 week self-recovery or intravenous injection of NaNO2 for 1 week in combination with 3 week self-recovery)...
December 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29317303/herbal-medicine-uses-to-treat-people-with-epilepsy-a-survey-in-rural-communities-of-northern-peru
#17
Auditeau Emilie, Moyano Luz Maria, Bourdy Geneviève, Nizard Mandy, Jost Jérémy, Ratsimbazafy Voa, Preux Pierre-Marie, Boumediene Farid
ETHNOPHARMACOLOGICAL RELEVANCE: Epilepsy affects 150,000 people in Peru, with a prevalence of 16.6/1,000 and a treatment gap of 75%. Herbal medicine (HM) is widely used in this country. AIM OF THE STUDY: We aimed to assess the use of plants in a rural community in northern Peru as part of therapeutic strategies for people with epilepsy (PWE). MATERIALS AND METHODS: The study was a cross-sectional observational and descriptive study. The inclusion criteria for people with epilepsy were 2 years of age and over, having lived in the study area for at least 3 months and a confirmed diagnosis of epilepsy by a neurologist...
January 6, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29315152/impact-of-surgeon-self-evaluation-and-positive-deviance-on-postoperative-adverse-events-after-non-cardiac-thoracic-surgery
#18
Jelena Ivanovic, Fargol Mostofian, Caitlin Anstee, Sebastien Gilbert, Donna E Maziak, Farid M Shamji, Ramanadhan Sudhir Sundaresan, Patrick James Villeneuve, Andrew J E Seely
As an innovative approach to improve quality of surgical care, we combined surgeon self-assessment and anonymized peer comparison with continuous quality improvement seminars using positive deviance (CQI/PD) to identify surgeon(s) with the lowest rates of adverse events (AEs) to guide group practice recommendations. Our objective was to quantify the impact these interventions on postoperative AEs rates after major non-cardiac chest operations. All postoperative AEs after all thoracic operations (n = 1,084, March, 2013 to February, 2016, single-center) were prospectively collected using the thoracic morbidity and mortality system, based on Clavien-Dindo schema...
January 8, 2018: Journal for Healthcare Quality: Official Publication of the National Association for Healthcare Quality
https://www.readbyqxmd.com/read/29310481/nanostructured-lipid-carriers-for-intraocular-brimonidine-localization-development-in-vitro-and-in-vivo-evaluation
#19
Noha S El-Salamouni, Ragwa M Farid, Amal H El-Kamel, Safaa S El-Gamal
Brimonidine ocular hypotensive effect can be enhanced by increasing residence time and corneal penetration. The current work aimed to formulate, evaluate and compare nanostructured lipid carriers (NLCs) to solid lipid nanoparticles (SLNs) and commercial eye drops for controlled brimonidine delivery. NLCs prepared by modified high shear homogenization were spherical with a mean size of 151.97 ±1.98 nm, negative zeta potential (ZP) of -44.2± 7.81 mV, % entrapment efficiency (EE) of 83.631 ±0.495% and low crystallinity index (CI) (17...
January 9, 2018: Journal of Microencapsulation
https://www.readbyqxmd.com/read/29306059/phage-t4-endonuclease-segd-that-is-similar-to-group-i-intron-endonucleases-does-not-initiate-homing-of-its-own-gene
#20
Andrey S Sokolov, Oleg R Latypov, Peter M Kolosov, Michael G Shlyapnikov, Tamara A Bezlepkina, Natalia S Kholod, Farid A Kadyrov, Igor E Granovsky
Homing endonucleases are a group of site-specific endonucleases that initiate homing, a nonreciprocal transfer of its own gene into a new allele lacking this gene. This work describes a novel phage T4 endonuclease, SegD, which is homologous to the GIY-YIG family of homing endonucleases. Like other T4 homing endonucleases SegD recognizes an extended, 16bp long, site, cleaves it asymmetrically to form 3'-protruding ends and digests both unmodified DNA and modified T-even phage DNA with similar efficiencies. Surprisingly, we revealed that SegD cleavage site was identical in the genomes of segD- and segD+ phages...
January 3, 2018: Virology
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