This study investigates the effects of the graphene content and applied pressure on the electrical and thermal conductivities of graphite/polyaniline (GP) and graphite/graphene/polyaniline (GGP) composites produced direct mixing method. Based on the electrical and thermal conductivity results, 14 wt% graphene content was found to be the crucial threshold, beyond which extra graphene additions exhibited different behaviors in pressed and unpressed samples. While the electrical conductivity of the unpressed samples increased up to 14 wt% graphene addition, the thermal conductivity increased further after 14 wt% graphene addition.
View Article and Find Full Text PDFIntroduction: Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by impaired social interactions and repetitive behaviors. This study examines the effects of fenofibrate on a propionic acid (PPA)-induced rat model of ASD, focusing on behavioral changes, inflammatory markers, and histological findings.
Materials And Methods: Thirty male Wistar rats were divided into three groups: a control group, a group receiving PPA and saline, and a group treated with PPA and fenofibrate for 15 days.
Cardiomyopathy, which is shortly defined as a disease of the myocardium, has a broad definition that includes many different diagnoses. Recent advances in cardiac imaging techniques, including basic and advanced echocardiography, computed tomography, nuclear medicine, and cardiac magnetic resonance, allow for a more accurate evaluation of volumes and thickness of cardiac chambers, systolic and diastolic function of the ventricules, and tissue structure. Multimodality imaging often provides the first clinical suspicion for specific etiologies, especially when the medical and family history is unclear, by identification of red flags of underlying systemic diseases.
View Article and Find Full Text PDFLarge amounts of collagen-rich by-products are generated in poultry processing. In particular, gelatin from the by-products of turkey processing is limited. Gelatin extraction from turkey and chicken MDRs (mechanically deboning residue) was the purpose of this study.
View Article and Find Full Text PDFWood is reportedly more difficult to maintain in hygienic condition versus other food contact materials, yet its use in produce packing and retail warrants efforts to reduce the risk of microbial pathogen contamination and attachment. This study characterized antifouling capabilities of fluorinated silanes applied to wood used in fresh edible produce handling to render the wood superhydrophobic and less supportive of bacterial pathogen attachment. Pine and oak cubic coupon surfaces were treated with 1% (w/w) silane or left untreated.
View Article and Find Full Text PDFObjective: A significant number of individuals with mild mitral stenosis (MS) experience exertional symptoms that are disproportionate to the hemodynamic severity of their condition. This study aims to determine whether exercise-induced left atrial (LA) dysfunction occurs in these patients and whether it is related to the development of symptoms.
Methods: In this observational study, we recruited 46 patients with mild MS.
Recently, hybrid nanoflowers (hNFs), which are accepted as popular carrier supports in the development of enzyme immobilization strategies, have attracted much attention. In this study, the horseradish peroxidase (HRP) was immobilized to mesoporous magnetic FeO-NH by forming Schiff base compounds and the HRP@FeO-NH/hNFs were then synthesized. Under optimal conditions, 95.
View Article and Find Full Text PDFThe aims of this research were to investigate the usability of black grape pomace in the production of shalgam juice, which is a traditional fermented Turkish beverage, to transform the pomace into the high value-added product and to enrich the shalgam juice with phenolic compounds. Black grape pomace and black carrot were used as the sources of polyphenols and five different formulations were obtained according to the amounts of black carrot and black grape pomace. During the fermentation, the samples were taken at different periods and analyzed for anthocyanins, phenolic compounds, antioxidant activity, and tannin content.
View Article and Find Full Text PDFIdentifying the descriptors for the synergistic catalytic activity of bifunctional oxide-zeolite catalysts constitutes a formidable challenge in realizing the potential of tandem hydrogenation of CO to hydrocarbons (HC) for sustainable fuel production. Herein, we combined CHOH synthesis from CO and H on InO and methanol-to-hydrocarbons (MTH) conversion on HZSM-5 and discerned the descriptors by leveraging the distance-dependent reactivity of bifunctional InO and HZSM-5 admixtures. We modulated the distance between redox sites of InO and acid sites of HZSM-5 from milliscale (∼10 mm) to microscale (∼300 μm) and observed a 3-fold increase in space-time yield of HC and CHOH (7.
View Article and Find Full Text PDFDisaster Med Public Health Prep
February 2024
Background: The novel coronavirus (COVID-19) disease outbreak started in China and went on to affect the entire world. Healthcare providers were among the communities that faced severe challenges during the pandemic, and this was especially true of Pre-Hospital Emergency Medical Services (PHEMS) providers.
Objectives: This study aims to investigate the effect of the COVID-19 pandemic on service requests submitted to PHEMS providers via calls made to emergency hotlines.
Tranexamic acid, once a randomly used antifibrinolytic agent, has been in standard protocols for many specific surgeries. Studies are still needed to standardize the dose and route of tranexamic acid administration, examine its possible contributions in urological surgery, and establish a protocol for its use. To contribute to this goal, we designed a prospective, randomized, double-blind study on 75 patients with 1 control and 2 study groups (n = 25) who underwent percutaneous nephrolithotomy.
View Article and Find Full Text PDFFibroblast activation protein α (FAPα) is expressed at high levels in several types of tumors. Here, we report the expression pattern of FAPα in solitary fibrous tumor (SFT) and its potential use as a radiotheranostic target. We analyzed FAPα messenger RNA and protein expression in biopsy samples from SFT patients using immunohistochemistry and multiplexed immunofluorescence.
View Article and Find Full Text PDFBackground: We retrospectively evaluated early and intermediate outcomes of hybrid repair of complex thoracic aortic diseases involving an aberrant right subclavian artery. This paper aims to report features and available treatment options for this rare, hard-to-diagnose, and manage, aorta-related vascular condition.
Methods: Between January 2012 and May 2019, 13 patients (mean age, 60.
Six-minute walk test (6MWT) is the most widely used exercise capacity measurement worldwide in patients with pulmonary hypertension (PH). Although cardiopulmonary exercise testing (CPET) is the gold standard for the assessment of exercise capacity in cardiovascular diseases; the limited accessibility of the device, the need for experience in interpreting the results, and the difficulties in performing CPET in advanced PH have aroused the interest in the application of easier methods for the measurement of exercise capacity. Since then, accumulated data proved that; 6-minutes walking distance (6MWD) can be used to determine exercise capacity and is highly correlated with maximum oxygen consumption (peak VO2) detected by CPET in patients with heart failure and/or PH.
View Article and Find Full Text PDFfruit is widely used in traditional and complementary medicine in Turkey for the treatment of different diseases in various forms such as molasses and tar. This study was carried out to evaluate the phenolic compounds, organic acid, sugar, and macro- and micromineral distributions of methanol and water extracts of fruit, as well as their antioxidant and antimicrobial potential. For this purpose, total phenolic content by spectrophotometer, phenolics, organic acids, and sugars distributions by HPLC in extracts of fruits, and macro- and micromineral element content by ICP-AES in fruit were determined.
View Article and Find Full Text PDFIncreasing concerns revolve around bacterial cross-contamination of leafy green vegetables via food-contact surfaces. Given that stainless-steel is among the commonly used food-contact surfaces, this study reports a coating strategy enhancing its hygiene and microbiological safety through an antifouling approach via superhydrophobicity. The developed method involves growing a nickel-nanodiamond nanocomposite film on 304 stainless-steel via electroplating and sequential functionalization of the outer surface layer with nonpolar organosilane molecules via polydopamine moieties.
View Article and Find Full Text PDFUnlabelled: Fetal bovine serum (FBS), which is widely used in cell culture media, has the potential to cause medical and ethical problems. Here, an experimental study using milk or whey proteins containing essential nutrients and growth factors is presented to limit the use of FBS in cell culture media produced for cell and tissue regeneration. Study groups were formed by culturing human placenta mesenchymal stem cells, known to have high proliferation and differentiation capacity, with milk or whey solution at increasing concentrations, alone or in combination with FBS.
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