Background: Rib fractures are frequently diagnosed and treated in the emergency department (ED). Thoracic trauma has serious morbidity and mortality, particularly in older adults, with complications including pulmonary contusions, hemorrhage, pneumonia, or death. Bedside ED-performed ultrasound-guided anesthesia is gaining in popularity, and early and adequate pain control has shown improved patient outcomes with rare complications.
View Article and Find Full Text PDFThis work presents a novel hydrothermally aided sol-gel method for preparation of mesoporous silica nanoparticles (MSNs) with a narrow particle size distribution and varied pore sizes. The method was carried out in alkaline media in presence of polyethylene glycol (PEG) and cetyltrimethylammonium chloride (CTAC) as dual templates and permitted the synthesis of spherical mesoporous silica with a high surface area (1011.42 m/g).
View Article and Find Full Text PDFCompared to antimicrobial agents, anti-adhesive surfaces can reduce bacteria adhesion and biofilm formation in catheters, providing better selectivity, efficiency, and device life span. In this research, novel anionic surface biomaterials were created and tested to reduce microbial adhesion and colonization in medical device coating. Maleic anhydride (MA) was polymerized with 2-HEMA in varying amounts to produce a p(HEMA--MA) hydrogel copolymer.
View Article and Find Full Text PDFF-doped TiO photocatalyst materials were prepared using solid-state and sol-gel synthesis with varying weight percentages of LiF or NHF. Subsequently, molybdate and vanadium oxide were added to the prepared powders to create composite photocatalysts with reduced bandgap energy, enhancing light absorption in the visible region of the spectrum, which is essential for effective photocatalytic activity using sunlight. The synthesized powders were characterized by thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and specific surface area using the BET method.
View Article and Find Full Text PDFObjective: Aims: This study aimed to estimate outcome of combined application of collagen/β-tricalcium phosphate (Coll /β- TCP) on bone defect healing by immuno-histochemical localization of collagen type I.
Patients And Methods: Materials and Methods: A total of 20 adult male rats (albino rats) were used in this study. Four intra bony defects were created in both femurs of each rat, three defects were treated with Coll, β- TCP and combination of Coll /β- TCP while forth defect left to heal spontaneously as control.
A novel series of cyanopyridines 7a-j were synthesized via a one-pot multicomponent reaction of arylidene 4 with ammonium acetate 5 and respective methylaryl/heterylketones 6a-j in ethanol using vanillin as a natural starting material. Moreover, the regioselective alkylation reaction was studied by the treatment of cyanopyridines 7a-f and 7j with CHI in the presence of KCO in DMF to afford O-methylcyanopyridines 8a-g (major) and N-methylcyanopyridines 9a-g (minor), whereas bipyridine 7h gave bipyridinium iodide salt 10. All of the designed cyanopyridines were evaluated as anti-breast cancer (MCF-7) cell lines via PIM Kinase inhibitory activity, and the results displayed that some of them showed high activities, especially compounds 7h and 8f, which showed excellent activities against MCF-7 with IC values of 1.
View Article and Find Full Text PDFBackground: Human biomonitoring is crucial for regulatory toxicology, yet data on biomarker concentrations in the UAE are lacking. This study addresses this gap by analyzing urinary concentrations of 16 metals in UAE young adults, assessing correlations with personal characteristics, dietary patterns, and lifestyle habits.
Methods: A cross-sectional pilot study was conducted among 144 randomly selected young adults (71 males and 73 females) from Sharjah, UAE, between January and March 2023.
Stem cells are introduced to regenerate some living tissue to restore function and longevity. The study aims to isolate in vitro human periodontal ligament stem cells (hPDLSCs) and investigate their proliferation rate on plasma-treated aligned and random polycaprolactone (PCL) nanofibrous scaffolds made via an electrospinning technique to attempt periodontal-like tissue in dental implants. hPDLSCs were isolated from extracted human premolars and cultured on plasma-treated or untreated PCL-aligned and random scaffolds to enhance adhesion of periodontal ligament (PDL) cells as well as interaction and proliferation.
View Article and Find Full Text PDFHerein we demonstrate that the rapid 'shapeshifting' constitutional isomerization of a substituted bullvalene is influenced by the -to- configurational isomerization of a remote carbamate group, giving rise to correlated motion. We find that, while the -configurational isomer of a bulky carbamate favors the -bullvalene constitutional isomer, a noncovalent bonding interaction within the -carbamate tips the equilibrium toward the -bullvalene form. Using DFT modelling and NMR spectroscopy, this long-range interaction is identified as being between the bullvalene core and a pendant phenyl group connected to the carbamate.
View Article and Find Full Text PDFBackground: This study aims to assess the efficacy of Er; Cr: YSGG laser operating under sub-ablative settings for the remineralization of artificially induced white spot lesions on the enamel of primary teeth, both as a standalone treatment and in conjunction with 1.23% acidulated phosphate fluoride (APF) gel.
Material And Methods: Eighty primary posterior teeth were used to induce white spot lesions and were randomly divided into eight groups.
Background: Carotid body tumors are uncommon neuroendocrine growths near the carotid bifurcation. While some advocate preoperative embolization to minimize bleeding, others avoid it due to complications. This study shares the experience of a single center in managing patients with carotid body tumors without practicing preoperative embolization.
View Article and Find Full Text PDFThe fabrication of low-porosity ceramics for humidity sensing is crucial to prevent moisture entrapment, which poses significant challenges. Using Spark Plasma Sintering (SPS), we successfully densified fine-grained ceramic materials based on LiF-doped MgTiO, comparing them with conventionally sintered counterparts. Structural and microstructural analyses, employing X-ray diffraction and Scanning Electron Microscopy (SEM), were conducted.
View Article and Find Full Text PDFIn addition to controlling smooth muscle tone in coronary vessels, endothelial cells also influence subjacent cardiomyocyte growth. Because heparanase, with exclusive expression in endothelial cells, enables extracellular matrix remodeling, angiogenesis, metabolic reprogramming, and cell survival, it is conceivable that it could also encourage development of cardiac hypertrophy. Global heparanase overexpression resulted in physiologic cardiac hypertrophy, likely an outcome of HSPG clustering and activation of hypertrophic signaling.
View Article and Find Full Text PDFBackground: Respiratory syncytial virus (RSV) is a common cause of acute lower respiratory tract infections, particularly in infants and young children during winter. We aimed to study the demographics and clinical characteristics of RSV infections and age-related patterns.
Methods: This retrospective study evaluated pediatric respiratory syncytial virus (RSV) infections conducted in Jordan from September 2021 to March 2022.
The occurrence of trematodes among ruminants and their snail vectors is a major concern across various agro-ecological regions of Ethiopia. Trematodes pose significant threats to animals, causing considerable economic losses and impacting public health. In this study, we have investigated 784 ruminant fecal samples, and 520 abattoir samples, alongside the collection and identification of snail vectors from various agro-ecological regions.
View Article and Find Full Text PDFIn the present work, we successfully synthesized Se-alkyl selenopyridines 1 and 3, selenopheno[2,3-b]pyridine 2, and bis-selenopyridine 4 derivatives using an eco-friendly method by utilizing NaHSe instead of toxic hydrogen selenide. The effect of the temperature on the reaction was screening at various temperatures. The regiospecific reaction of selenopyridine 1 with bromine afforded an unexpected product 4,6-diamino-5-bromo-2-[(cyanomethyl)selenyl]-pyridine-3-carbonitrile (5), which was cyclized to selenopheno[2,3-b]pyridine (7) by refluxing in the presence of TEA.
View Article and Find Full Text PDFQuinazoline compounds have gained significant attention in the fields of agriculture and chemistry due to their diverse activities. In this study, we focused on a series of quinazoline derivatives (). The objectives involved multiple aspects, including preparation, evaluation of their agricultural bioactivity against the maize aphid (), estimation of the structure-activity relationships (SAR), and conducting molecular docking analysis.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
April 2024
Mesenteric panniculitis belongs to a spectrum of rare diseases affecting the fatty tissue of the mesentery. It is characterized by chronic inflammation and fibrosis of the mesenteric adipose tissue of the bowel. Patients typically present with symptoms such as abdominal pain, nausea, vomiting, anorexia, bloating, and weight loss.
View Article and Find Full Text PDFThyroglossal duct cysts (TGDCs) are unusual remnants of the thyroid gland that are rarely observed in association with carcinoma. The present study aimed to showcase the clinical characteristics, diagnosis and management of patients with TGDC carcinoma. It was a single-center study conducted from February 2016 to February 2020.
View Article and Find Full Text PDFBackground: The decision to delivery time is the interval between the decision and the childbirth by emergency caesarean delivery. The Royal College of Obstetricians and Gynecologists and the American College of Obstetricians and Gynecologists recommend that the decision to delivery time interval is less than 30 min. Additionally, the decision to delivery time varies across institutions and countries.
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