In this work, ZnO nanoplates and FeO nanospindles were successfully fabricated a simple hydrothermal method using inorganic salts as precursors. The ZnO/FeO hybrid was fabricated using a mechanical mixture of two different ZnO : FeO weight ratios to investigate the effect of weight ratio on catalytic properties. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images showed that ZnO nanoplates (NPls) are about 20 nm thick with lateral dimensions of 100 × 200 nm, and FeO nanospindles (NSs) are about 500 nm long and 50 nm wide.
View Article and Find Full Text PDFIn recent years, smartphones have been integrated into rapid colorimetric sensors for heavy metal ions, but challenges persist in accuracy and efficiency. Our study introduces a novel approach to utilize biogenic gold nanoparticle (AuNP) sensors in conjunction with designing a lightbox with a color reference and machine learning for detection of Fe ions in water. AuNPs were synthesized using the aqueous extract of leaf as reductants and stabilizing agents.
View Article and Find Full Text PDFOne common cause of vision loss after retinal detachment surgery is the formation of proliferative and contractile fibrocellular membranes. This aberrant wound healing process is mediated by epithelial-mesenchymal transition (EMT) and hyper-proliferation of retinal pigment epithelial (RPE) cells. Current treatment relies primarily on surgical removal of these membranes.
View Article and Find Full Text PDFDecorating two-dimensional (2D) nanomaterials with nanoparticles provides an effective method to integrate their physicochemical properties. In this work, we present the hydrothermal growth process of 2D zinc oxide nanoplates (ZnO NPls), then silver nanoparticles (AgNPs) were uniformly distributed on the surface of ZnO NPls through the reduction procedure of silver nitrate with sodium borohydride to create a metal-semiconductor hybrid. The amount of AgNPs on the ZnO NPls' surface was carefully controlled by varying the volume of silver nitrate (AgNO) solution.
View Article and Find Full Text PDFThe traditional intravitreal injection delivery of antivascular endothelial growth factor (anti-VEGF) to the posterior segment of the eye for treatment of retinal diseases is invasive and associated with sight-threatening complications. To avoid such complications, there has been significant interest in developing polymers for topical drug delivery to the retina. This study reports a nanomicelle drug delivery system made of a copolymer EPC (nEPCs), which is capable of delivering aflibercept to the posterior segment topically through corneal-scleral routes.
View Article and Find Full Text PDFAmorphous molybdenum selenide nanopowder, obtained by refluxing Mo(CO) and Se precursors in dichlorobenzene, shows several structural and electrochemical similarities to the amorphous molybdenum sulfide analogue. The molybdenum selenide displays attractive catalytic properties for the hydrogen evolution reaction in water over a wide range of pH. In a pH 0 solution, it operates with a small onset overpotential of 125 mV and requires an overpotential of 270 mV for generating a catalytic current of 10 mA/cm.
View Article and Find Full Text PDFIntroduction: We describe and provide follow-up for a novel simplified technique permitting dual en bloc (DEB) transplantation of adult organs using single in situ arterial and venous anastomoses.
Methods: Twenty-two adult DEB transplants were performed at our center between 2001 and 2012, utilizing 44 kidneys en bloc. Results were compared with 20 solitary transplants from expanded criteria donors (ECD) associated with lower terminal serum creatinines and Remuzzi biopsy scores vs DEB group.
Can Urol Assoc J
November 2014
Introducton: We assessed the urologic care patterns of traumatic spinal cord injury (TSCI) patients.
Methods: This was a retrospective cohort study of adult TSCI patients injured between 2002 and 2012. The primary outcome was urologic consultation.
Objective: We reported a high incidence of thrombosis, central pulmonary artery hypoplasia, and mortality for bilateral bidirectional cavopulmonary shunts. We hypothesized that technical modifications in the cavopulmonary anastomosis and anticoagulation would limit thrombus and central pulmonary artery hypoplasia, and thereby improve outcomes.
Methods: Sixty-one patients (median age, 8.
Background: The objective was to determine if intraoperative pulmonary artery (PA) flow studies after complete unifocalization correlate with postrepair hemodynamics for pulmonary atresia (PA), ventricular septal defects (VSD), and major aortopulmonary collaterals.
Methods And Results: Twenty patients (median age, 8 months; weight, 7.9 kg) underwent unifocalization between 2003 and 2008.
Fish-borne zoonotic trematodes (FZT) pose a risk to human food safety and health and may cause substantial economic losses in the aquaculture industry. In Nghe An Province, Vietnam, low prevalence of FZT for fish farmers but high prevalence for fish indicate that reservoir hosts other than humans may play a role in sustaining transmission. To determine whether domestic animals may be reservoir hosts, we assessed prevalence and species composition of FZT infections in dogs, cats, and pigs in a fish-farming community in Vietnam.
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