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https://www.readbyqxmd.com/read/28109029/reproductive-performance-of-breeder-quails-fed-diets-supplemented-with-l-cysteine-coated-iron-oxide-nanoparticles
#1
H Mohammadi, A Farzinpour, A Vaziry
The objective of this study was to investigate the effects of L-cysteine-coated iron oxide nanoparticles on reproductive performance in breeder quails. The five treatment diets consisted of (i) negative control diet not supplemented with iron, (ii) positive control diet supplemented with 60 mg/kg of Fe3 O4 and (iii) experimental diets supplemented with 0.6, 6 and 60 mg/kg of L-cysteine-coated iron oxide nanoparticles. A total of 100 seven-day-old quail chicks were weighed and randomly placed to five groups of five replicate cages...
January 20, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28106982/a-novel-iron-ii-preferring-dopamine-agonist-chelator-as-potential-symptomatic-and-neuroprotective-therapeutic-agent-for-parkinson-s-disease
#2
Banibrata Das, Ashoka Kandegedara, Liping Xu, Tamara Antonio, Timothy L Stemmler, Maarten E A Reith, Aloke K Dutta
Parkinson's disease (PD) is a progressive neurodegenerative disorder and development of disease-modifying treatment is still an unmet medical need. Considering the implication of free iron (II) in PD, we report here the design and characterization of a novel hybrid iron chelator, (-)-12 (D-607) as a multitarget-directed ligand against PD. Binding and functional assays at dopamine D2/D3 receptors indicate potent agonist activity of (-)-12. The molecule displayed an efficient preferential iron (II) chelation properties along with potent in vivo activity in a reserpinized PD animal model...
January 20, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28106540/detection-of-human-breast-cancer-cells-using-a-2-deoxy-d-glucose-functionalized-superparamagnetic-iron-oxide-nanoparticles
#3
Xiu-Hong Shan, Peng Wang, Fei Xiong, Hao-Yue Lu, Hui Hu
BACKGROUND: Breast cancer is one of the most common type of female cancer worldwide and represents 14% of cancer-related deaths in women. Early detection is the most important factor for treatment and prognosis of breast cancer. In most countries, the women are currently screened with mammography only. Even though there has been considerable progress in the detection, surgical therapy, hormonal and target therapy of breast cancer, there are about ∼ 3500 000 women who die from breast cancer each year...
January 13, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28106219/surface-and-interface-engineering-of-fept-c-nanocatalysts-for-electro-catalytic-methanol-oxidation-enhanced-activity-and-durability
#4
Junmei Wang, Zhenlei Wang, Shuai Li, Rongming Wang, Yujun Song
A methodology by coupling a microfluidic-batch process with in situ carbon-black mixing, successive annealing and de-alloying post-treatment was developed for engineering surface and interface microstructures of FePt/C nanocomposites. Ultra-small angular FePt nanocrystals rich in vertexes/terraces/steps and with Pt contents gradually increasing from the inner to the outer part can be synthesized at certain Fe/Pt atomic ratios (2/1 or 1.1/1), which can directly grow on carbon-black for enhanced nanocrystal-carbon interface interaction by introducing the in situ carbon-black mixing process...
January 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/28105341/changes-in-blood-concentrations-of-trace-metals-in-cancer-patients-receiving-cisplatin-based-chemotherapy
#5
Tsutomu Nakamura, Minoru Takahashi, Riho Niigata, Kazuhiko Yamashita, Manabu Kume, Midori Hirai, Hiroyuki Yasui
The administration of cisplatin (CDDP) may influence trace metal concentrations in body fluids. In order to test this hypothesis, the blood concentrations of trace metals were determined during the present study in eight Japanese esophageal and lung cancer patients receiving CDDP-based chemotherapy. The levels of manganese, iron (Fe), cobalt, copper, zinc (Zn), platinum and lead in the plasma were determined by inductively coupled plasma-mass spectrometry. In addition, the serum levels of Fe, transferrin and ferritin were evaluated...
December 2016: Biomedical Reports
https://www.readbyqxmd.com/read/28104533/antimicrobial-activity-of-stable-hemiaminals-against-porphyromonas-gingivalis
#6
Teresa Olczak, Michał Śmiga, Anna Kwiecień, Marcin Bielecki, Robert Wróbel, Mariusz Olczak, Zbigniew Ciunik
Porphyromonas gingivalis is a major etiologic agent and a key pathogen responsible for the development and progression of chronic periodontitis. Controlling the number of periodontal pathogens is one of the primary actions for maintaining oral health; therefore, active compounds with a capacity to exert antimicrobial activity have received considerable attention as they may represent potential new therapeutic agents for the treatment of chronic periodontitis. Heterocyclic compounds possessing 1,2,4- or 1,2,3-triazoles are known for several biological activities, including antibacterial properties...
January 16, 2017: Anaerobe
https://www.readbyqxmd.com/read/28103293/synergistic-interaction-of-light-alcohol-administration-in-the-presence-of-mild-iron-overload-in-a-mouse-model-of-liver-injury-involvement-of-triosephosphate-isomerase-nitration-and-inactivation
#7
Wanxia Gao, Jie Zhao, Zhonghong Gao, Hailing Li
It is well known that iron overload promotes alcoholic liver injury, but the doses of iron or alcohol used in studies are usually able to induce liver injury independently. Little attention has been paid to the coexistence of low alcohol consumption and mild iron overload when either of them is insufficient to cause obvious liver damage, although this situation is very common among some people. We studied the interactive effects and the underlining mechanism of mild doses of iron and alcohol on liver injury in a mouse model...
2017: PloS One
https://www.readbyqxmd.com/read/28102497/regulated-partitioning-of-fixed-carbon-14-c-sodium-na-potassium-k-and-glycine-betaine-determined-salinity-stress-tolerance-of-gamma-irradiated-pigeonpea-cajanus-cajan-l-millsp
#8
Pankaj Kumar, Vasundhara Sharma, Chobhe Kapil Atmaram, Bhupinder Singh
Soil salinity is a major constraint that limits legume productivity. Pigeonpea is a salt sensitive crop. Seed gamma irradiation at a very low dose (2.5 Gy) is known to enhance seedling establishment, plant growth and yield of cereals and other crops. The present study conducted using two genetically diverse varieties of pigeonpea viz., Pusa-991 and Pusa-992 aimed at establishing the role of pre-sowing seed gamma irradiation at 0, 0.0025, 0.005, 0.01, 0.02, 0.05 and 0.1 kGy on plant growth, seed yield and seed quality under salt stress at 0, 80 and 100 mM NaCl (soil solution EC equivalent 1...
January 19, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28101307/review-and-recommendations-on-management-of-adult-female-thalassemia-patients-with-hypogonadism-based-on-literature-review-and-experience-of-icet-a-network-specialists
#9
REVIEW
Vincenzo De Sanctis, Ashraf T Soliman, Heba Elsedfy, Alice Albu, Soad Al Jaouni, Salvatore Anastasi, Maria Grazia Bisconte, Duran Canatan, Soteroula Christou, Shahina Daar, Salvatore Di Maio, Mohamed El Kholy, Doaa Khater, Mohamed Elshinawy, Yurdanur Kilinc, Roberto Mattei, Hala H Mosli, Alessandra Quota, Maria Grazia Roberti, Praveen Sobti, Saif Al Yaarubi, Saveria Canpisi, Christos Kattamis
BACKGROUND: Multi-transfused thalassemia major (TM) patients frequently develop severe endocrine complications, mainly due to iron overload, anemia, and chronic liver disease, which require prompt diagnosis, treatment and follow-up by specialists. The most common endocrine complication documented is hypogonadotropic hypogonadism which increases with age and associated comorbidities. It is thus important for physicians to have a clear understanding of the pathophysiology and management of this disorder...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28097924/enhancing-the-performance-of-electro-peroxone-by-incorporation-of-uv-irradiation-and-bdd-anodes
#10
Nasr Bensalah, Ahmed Bedoui
In this work, the treatment of 4-nitrophenol (NP) in water by ozonation, electrolysis, electro-peroxone (EP), and photo-electro-peroxone (PEP) processes was investigated. PEP process is based on the combination of ozonation, UV irradiation, and electrolysis using carbon felt cathode and Boron Doped Diamond (BDD) anode. In this process, H2O2 is electrochemically generated from reduction of O2 in the ozone generator effluent at a carbon felt cathode. The insitu generated H2O2 is simultaneously decomposed by UV- photolysis and by reaction with O3 to form HO(-) radicals that can rapidly and non-selectively oxidize organic pollutants...
January 18, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28096667/hyaluronan-modified-superparamagnetic-iron-oxide-nanoparticles-for-bimodal-breast-cancer-imaging-and-photothermal-therapy
#11
Rui-Meng Yang, Chao-Ping Fu, Jin-Zhi Fang, Xiang-Dong Xu, Xin-Hua Wei, Wen-Jie Tang, Xin-Qing Jiang, Li-Ming Zhang
Theranostic nanoparticles with both imaging and therapeutic abilities are highly promising in successful diagnosis and treatment of the most devastating cancers. In this study, the dual-modal imaging and photothermal effect of hyaluronan (HA)-modified superparamagnetic iron oxide nanoparticles (HA-SPIONs), which was developed in a previous study, were investigated for CD44 HA receptor-overexpressing breast cancer in both in vitro and in vivo experiments. Heat is found to be rapidly generated by near-infrared laser range irradiation of HA-SPIONs...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28095073/preclinical-and-potential-applications-of-common-western-herbal-supplements-as-complementary-treatment-in-parkinson-s-disease
#12
Luke A Morgan, Oliver Grundmann
Parkinson's disease (PD) is a neurological disorder with a complex pathological etiology, which is not fully understood. Progression of PD may be the result of a buildup of iron in the substantia nigra, microglia-mediated neuroinflammation, dysfunctional mitochondria, or abnormal protein handling. Dopamine is the main neurotransmitter affected, but as the disease progresses, a decrease in all the brain's biogenic amines occurs. Current medication used in the treatment of PD aims to prevent the breakdown of dopamine or increase dopaminergic neurotransmission in the central nervous system...
January 17, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28094851/blood-transfusion-for-preventing-primary-and-secondary-stroke-in-people-with-sickle-cell-disease
#13
REVIEW
Lise J Estcourt, Patricia M Fortin, Sally Hopewell, Marialena Trivella, Winfred C Wang
BACKGROUND: Sickle cell disease is one of the commonest severe monogenic disorders in the world, due to the inheritance of two abnormal haemoglobin (beta globin) genes. Sickle cell disease can cause severe pain, significant end-organ damage, pulmonary complications, and premature death. Stroke affects around 10% of children with sickle cell anaemia (HbSS). Chronic blood transfusions may reduce the risk of vaso-occlusion and stroke by diluting the proportion of sickled cells in the circulation...
January 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28094497/an-approach-to-fabricate-pdms-encapsulated-all-solid-state-advanced-asymmetric-supercapacitor-device-with-vertically-aligned-hierarchical-zn%C3%AF-fe%C3%AF-co-ternary-oxide-nanowire-and-nitrogen-doped-graphene-nanosheet-for-high-power-device-applications
#14
Anirban Maitra, Amit Kumar Das, Ranadip Bera, Sumanta Kumar Karan, Sarbaranjan Paria, Suman Kumar Si, Bhanu Bhusan Khatua
Here, we highlight the design and fabrication of polydimethylsiloxane (PDMS) encapsulated advanced all-solid-state asymmetric supercapacitor (ASC) device consisting of hierarchical mesoporous zincironcobalt ternary oxide (ZICO) nanowire coated nickel (Ni) foam (ZICO@Ni foam) as a promising positive electrode and nitrogen doped graphene coated Ni foam (N-G@Ni foam) as negative electrode in presence of PVAKOH gel electrolyte. Owing to outstanding electrochemical behavior and ultrahigh specific capacitance of ZICO (≈ 2587...
January 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28092401/randomized-clinical-trial-of-preoperative-oral-versus-intravenous-iron-in-anaemic-patients-with-colorectal-cancer
#15
B D Keeler, J A Simpson, O Ng, H Padmanabhan, M J Brookes, A G Acheson
BACKGROUND: Treatment of preoperative anaemia is recommended as part of patient blood management, aiming to minimize perioperative allogeneic red blood cell transfusion. No clear evidence exists outlining which treatment modality should be used in patients with colorectal cancer. The study aimed to compare the efficacy of preoperative intravenous and oral iron in reducing blood transfusion use in anaemic patients undergoing elective colorectal cancer surgery. METHODS: Anaemic patients with non-metastatic colorectal adenocarcinoma were recruited at least 2 weeks before surgery and randomized to receive oral (ferrous sulphate) or intravenous (ferric carboxymaltose) iron...
January 16, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28091573/iron-oxide-films-prepared-by-rapid-thermal-processing-for-solar-energy-conversion
#16
B Wickman, A Bastos Fanta, A Burrows, A Hellman, J B Wagner, B Iandolo
Hematite is a promising and extensively investigated material for various photoelectrochemical (PEC) processes for energy conversion and storage, in particular for oxidation reactions. Thermal treatments during synthesis of hematite are found to affect the performance of hematite electrodes considerably. Herein, we present hematite thin films fabricated via one-step oxidation of Fe by rapid thermal processing (RTP). In particular, we investigate the effect of oxidation temperature on the PEC properties of hematite...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091561/low-temperature-co-oxidation-over-iron-oxide-nanoparticles-decorating-internal-structures-of-a-mesoporous-alumina
#17
Il Hee Kim, Hyun Ook Seo, Eun Ji Park, Sang Wook Han, Young Dok Kim
Using a chemical vapor deposition method with regulated sample temperatures under ambient pressure conditions, we were able to fully decorate the internal structure of a mesoporous Al2O3 bead (~1 mm in particle diameter) with iron oxide nanoparticles (with a mean lateral size of less than 1 nm). The iron oxide-decorated Al2O3 showed a high CO oxidation reactivity, even at room temperature. Very little deactivation of the CO oxidation activity was observed with increasing reaction time at ~100 °C. Additionally, this catalyst showed high CO oxidation activity, even after annealing at ~900 °C under atmospheric conditions (i...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28090307/hemodynamic-response-to-treatment-of-iron-deficiency-anemia-in-pulmonary-arterial-hypertension-longitudinal-insights-from-an-implantable-hemodynamic-monitor
#18
Muddassir Mehmood, Richa Agarwal, Amresh Raina, Priscilla Correa-Jaque, Raymond L Benza
Despite new therapeutic options, pulmonary arterial hypertension (PAH) remains a progressive disease associated with substantial morbidity and mortality. As such, additional strategies for monitoring and adjunctive management of this disease are important. A 59-year-old woman with scleroderma-associated PAH received an implantable hemodynamic monitor (IHM) as part of a research protocol at our institution. Pulmonary artery pressures, heart rate, and cardiac output (sensor-based algorithm) were measured on a daily basis, and parameters of right ventricular (RV) performance and afterload were calculated...
December 2016: Pulmonary Circulation
https://www.readbyqxmd.com/read/28087535/efficient-low-ph-iron-removal-by-a-microbial-iron-oxide-mound-ecosystem-at-scalp-level-run
#19
Christen L Grettenberger, Alexandra R Pearce, Kyle J Bibby, Daniel S Jones, William D Burgos, Jennifer L Macalady
: Acid mine drainage (AMD) is a major environmental problem affecting tens of thousands of km of waterways worldwide. Passive bioremediation of AMD relies on microbial communities to oxidize and remove iron from the system; however, iron-oxidation rates in AMD environments are highly variable across sites. At Scalp Level Run (Cambria County PA), first-order iron-oxidation rates are ten times faster than at other coal associated iron mounds in the Appalachians. We examined the bacterial community at Scalp Level Run to determine whether a unique community is responsible for the rapid iron oxidation rate...
January 13, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28081365/visualizing-arsenate-reactions-and-encapsulation-in-a-single-zero-valent-iron-nanoparticle
#20
Lan Ling, Wei-Xian Zhang
A nanostructure-based mechanism is presented on the enrichment, separation and immobilization of arsenic with nanoscale Zero-Valent Iron (nZVI). The As-Fe reactions are studied with Spherical Aberration Corrected Scanning Transmission Electron Microscopy (Cs-STEM). Near atomic-resolution (<1 nm3) electron tomography discovers a thin continuous layer (23±3 Å) of elemental arsenic sandwiched between the iron oxide shell and the zero-valent iron core. This points to a unique mechanism of nano-encapsulation and proves that the outer layer, especially the Fe(0)/oxide interface is the edge of the As-Fe reactions...
January 12, 2017: Environmental Science & Technology
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