Development and detailed investigation of metal nanoparticles decorated carbon black/sodium alginate composite beads for catalytic reduction of environmental toxicants and hydrogen production.

The discharge of environmental pollutants requires intellectual and rapid solutions to convert them into safer products. Simultaneously, the high energy demands underscore the imperative importance of generating sufficient green energy to fulfill human needs. This study focused on metal nanoparticles (MNPs) decoration on polymeric beads (BDs), employing orange peel derived carbon black (OrP) and sodium alginate polymer (Alg).

2D MXene-Based Nanoscale Materials for Electrochemical Sensing Toward the Detection of Hazardous Pollutants: A Perspective.

MXenes (MXT), a subgroup of 2-dimensional (2D) materials, specifically comprise transition metal carbides, nitrides, and carbonitrides. They exhibit exceptional electrocatalytic and photocatalytic properties, making them well-suited for the detection and removal of pollutants from aqueous environments. Because of their high surface area and remarkable properties, they are being utilized in various applications, including catalysis, sensing, and adsorption, to combat pollution and mitigate its adverse effects.

Awareness and Attitudes Among Parents of Females Aged 9-26 in Saudi Arabia Regarding Human Papillomavirus Vaccination.

Background Most cases of cervical cancer are caused by the human papillomavirus (HPV) infection, which can be prevented by vaccination. The HPV vaccine received approval in Saudi Arabia in 2010. Objectives This study aimed to examine the awareness and attitudes toward the HPV vaccine among parents of females aged 9-26 in Saudi Arabia and explore factors contributing to hesitancy or acceptance.

Effect of 'Procumbenase' a serine protease from Tridax procumbens aqueous extract on wound healing: A scar free healing of full thickness wounds.

Wound healing involves several cellular and molecular pathways. Tridax procumbens activates genetic pathways with antibacterial, antioxidant, anticancer, and anti-inflammatory properties, aiding wound healing. This study purified Procumbenase, a serine protease from T.

Zn/Al layered double hydroxide and carboxymethyl cellulose composite beads as support for the catalytic gold nanoparticles and their applications in the reduction of nitroarenes.

Until now, many efficient catalysts have been reported that are used for the reduction of nitroarenes. However, a catalyst reusability is a challenge that is often faced in practical environment. In this report, we designed a hydrogel composite (CMC-LDH), which act as support and making it possible to address this challenge.

Prevalence of Ocular Hypertension and Other Risk Factors of Open-Angle Glaucoma Among Middle-Aged Adults in Al-Baha City, Saudi Arabia.

Background Ocular hypertension (OHT), defined by elevated intraocular pressure (IOP) beyond standard levels, is a predominant risk factor for initiating and exacerbating glaucoma, a collection of progressive optic neuropathies responsible for irreversible vision loss. Given the profound implications for vision care, it is imperative to elucidate the interplay between OHT and glaucoma for effective clinical management. Objective The present study aims to measure IOP levels and identify risk factors associated with glaucoma among middle-aged individuals in Al-Baha City, Saudi Arabia.

Electrochemical Detection of 4-Nitrophenol Using a Novel SrTiO/Ag/rGO Composite.

In this study, an eco-friendly strategy was used to prepare a novel SrTiO/Ag/rGO composite. A SrTiO/Ag/rGO composite-modified screen-printed carbon electrode (SPCE) was applied for the electrochemical detection of 4-nitrophenol. A simple ultrasonic method with an ultrasonic frequency of 20 kHz was used for the synthesis of SrTiO/Ag/rGO composite material.

Patient Safety in the Surgical Field: A Cross-Sectional Study Among Al-Baha University Medical Students.

Background Patient safety and quality of surgical care are crucial in healthcare. Adequate knowledge and attitudes among healthcare providers regarding differentiating malpractice from surgical complications are essential for preventing adverse events. We aimed to assess medical students' knowledge and attitudes toward patient safety in surgical procedures.

Infected giant right seminal vesicle epidermoid cyst in young male patient with ipsilateral solitary kidney: Case report.

This case report presents a young male patient with a 3-month history of a rapidly growing lower abdominal mass associated with lower urinary tract symptoms and recurrent urinary tract infection. Pelvic magnetic resonance imaging showed a large congenital cyst in the right seminal vesicle having a mass effect on the urinary bladder, rectum, and left ureter. Histopathologic findings from exploratory laparotomy showed an epidermal inclusion cyst with secondary inflammation and suppuration.

Facile Synthesis of Magnetic Seeds: Advances on Nano-Formulation Approaches for Delivering Antioxidants and Their Antifungal Activity against .

This article reports on incorporating magnetic nanoparticles into natural carbon frameworks derived from seeds and their synthesis via co-precipitation reactions for application in biomedicine. The magnetic Seeds (Magnetic NSS), a metal oxide-based bio-nanomaterial, has shown excellent water diaper presence due to the presence of a wide range of oxygenous hydroxyl and carboxyl groups. The physicochemical properties of the composites were characterized extensively using Fourier transform infrared spectroscopy (FTIR), powder-X-ray diffraction (XRD), scanning electron microscopy (SEM), elemental analysis, transmission electron microscopy (TEM), and vibrating-sample magnetometer.

Weight Gain in Seropositive Rheumatoid Arthritis Patients Treated With Anti-tumor Necrosis Factor (TNF) Therapy.

Introduction Rheumatoid arthritis and its treatment have different effects on weight gain. This study examined the effect of tumor necrosis factor (TNF) inhibitors on weight gain in patients with seropositive rheumatoid arthritis compared with non-TNF therapy and disease activity. Methods A retrospective cohort study was conducted in Prince Mohammad bin Abdulaziz Hospital for all patients aged ≥ 18-year-old diagnosed with seropositive rheumatoid arthritis and started on TNF inhibitors or non-TNF biologics in outpatient clinics since 2015.

Polyphenol-Capped Biogenic Synthesis of Noble Metallic Silver Nanoparticles for Antifungal Activity against .

In terms of reduced toxicity, the biologically inspired green synthesis of nanoparticles has emerged as a promising alternative to chemically fabricated nanoparticles. The use of a highly stable, biocompatible, and environmentally friendly aqueous extract of as a reducing and capping agent in this study demonstrated the possibility of green manufacturing of silver nanoparticles (CC-AgNPs). UV-visible spectroscopy validated the development of CC-AgNPs, indicating the surface plasmon resonance (SPR) λ band at 438 nm.

The impact of using pictorial aids in caregivers' understanding of patient information leaflets of pediatric pain medications: A quasi-experimental study.

Introduction: Patient information leaflets (PILs) are one of the main sources of information for over-the-counter medications (OTCs). This study aimed to assess caregivers' understanding of instructions in PILs provided with paracetamol medications and the impact of pictograms use.

Methods: A quasi-experimental study was conducted among caregivers of children aged < 13 years recruited in pediatric outpatient clinics at University Medical City in Riyadh.

Knowledge and awareness of ocular allergy among Jeddah population.

Background: Ocular allergy is one of the common conditions that affects patients from different age groups. Public awareness about the disease is crucial for reducing the incidence of ocular allergy.

Aim: The present study aims to evaluate the knowledge level of the general population in Jeddah, Saudi Arabia toward ocular allergy.

Multi-step Synthesis, Characterization and Photophysical Investigation of Novel Biologically Active Heterocyclic Chalcone (AECO).

Novel alkylated heterocyclic chalcone (E)-1-(2-(allyloxy)phenyl)-3-(9-ethyl-9H-carbazol-3-yl)prop-2-en-1-one (AECO) with extended π-bond was prepared by the multi-steps synthesis. The structure of the AECO was established by the spectroscopic technics and purity of the compound was confirmed by the elemental analysis. Physicochemical parameters of the AECO such as molar absorption coefficient, transition dipole moments, stokes shift, oscillator strength and fluorescence quantum yield were calculated in ten various solvents on the basis of polarity of the solvents to see the effect of the solvent with AECO.

N-doped carbon nanotubes supported CoSe nanoparticles: A highly efficient and stable catalyst for HO electrosynthesis in acidic media.

Unlabelled: Electrocatalytic oxygen reduction reaction (ORR) provides an attractive alternative to anthraquinone process for HO synthesis. Rational design of earth-abundant electrocatalysts for HO synthesis via a two-electron ORR process in acids is attractive but still very challenging. In this work, we report that nitrogen-doped carbon nanotubes as a multi-functional support for CoSe nanoparticles not only keep CoSe nanoparticles well dispersed but alter the crystal structure, which in turn improves the overall catalytic behaviors and thereby renders high O-to-HO conversion efficiency.

The synthesis of highly active carbon dot-coated gold nanoparticles the room-temperature carbonization of organic ligands for 4-nitrophenol reduction.

Due to the serious pollution issue caused by 4-nitrophenol (4-NP), it is of great importance to design effective catalysts for its reduction. Here, a novel and simple strategy was developed for the synthesis of carbon dot-decorated gold nanoparticles (AuNPs/CDs) the carbonization of organic ligands on AuNPs at room temperature. The enhanced adsorption of 4-NP on CDs π-π stacking interactions provided a high concentration of 4-NP near AuNPs, leading to a more effective reduction of 4-NP.

Synthesis, photophysical properties, and density functional theory studies of phenothiazine festooned vinylcyclohexenyl-malononitrile.

A novel phenothiazine derivative conjugated with vinylcyclohexenyl-malononitrile (PTZ-CDN) was synthesized through the Knoevenagel reaction of 10-octyl-10H-phenothiazine-3,7-dicarbaldehyde with 2-(3,5,5-trimethylcyclohex-2-en-1-ylidene)-malononitrile and fully characterized. The UV-vis absorption spectra of PTZ-CDN in different solvents showed a λ band at 497-531 nm with a high molar extinction coefficient attributed to intramolecular charge transfer (ICT) with the characteristics of a π-π* transition. Increasing the solvent polarity resulted in a bathochromic shift of λ .

Photodegradation Activity of Poly(ethylene oxide-b--caprolactone)-Templated Mesoporous TiO₂ Coated with Au and Pt.

Mesoporous TiO₂ films are synthesized through evaporation-induced self-assembly using poly(ethylene oxide--caprolactone) diblock copolymers as a soft-template. Using small-angle X-ray scattering and scanning electron microscopy, we investigate the effect of the TiO₂/PEO--PCL ratio on the resulting nanoarchitectonic structure. After sputter-coating Au and Pt layers, these Au/TiO₂ and Pt/TiO₂ nanocomposite films display drastically enhanced photodegradation of rhodamine 6G under ultraviolet irradiation, due to the metal films inhibiting the rapid recombination of photogenerated charge carriers.

Hierarchical Tubular Architecture Constructed by Vertically Aligned CoS -MoS Nanosheets for Hydrogen Evolution Electrocatalysis.

Developing efficient electrocatalysts for the hydrogen evolution reaction (HER) is crucial for establishing a sustainable and environmentally friendly energy system, but it is still a challenging issue. Herein, hierarchical tubular-structured CoS -MoS /C as efficient electrocatalysts are fabricated through a unique metal-organic framework (MOF) mediated self-sacrificial templating. Core-shell structured MoO @ZIF-67 nanorods are used both as a precursor and a sacrificial template to form the one-dimensional tubular heterostructure where vertically aligned two-dimensional CoS -MoS nanosheets are formed on the MOF-derived carbon tube.

Bi nanodendrites for efficient electrocatalytic N fixation to NH under ambient conditions.

Electrochemical N reduction has emerged as a sustainable and eco-friendly route for the artificial synthesis of NH under ambient conditions, but active electrocatalysts are needed to drive the N reduction reaction (NRR). Here, Bi nanodendrites are reported as an efficient NRR electrocatalyst for N to NH conversion with excellent selectivity. In 0.

DyF : An Efficient Electrocatalyst for N Fixation to NH under Ambient Conditions.

NH synthesis by the Haber-Bosch method is regarded as the dominant method in industry. Such a process is energy-intensive, accompanied by a large amount of CO emission. Electrocatalytic N reduction is a sustainable avenue for NH production at ambient conditions.

Bioinspired Electrocatalyst for Electrochemical Reduction of N to NH in Ambient Conditions.

Industrial ammonia production depends heavily on the traditional Haber-Bosch method at the expense of CO emissions and large energy consumptions. Artificial fixation of nitrogen to ammonia is therefore regarded as a promising path to yield ammonia in energy-saving conditions. However, a competent electrocatalyst is highly desired, owing to the extremely stable bond of N≡N.

Probing the Intercalation of Noscapine from Sodium Dodecyl Sulfate Micelles to Calf Thymus Deoxyribose Nucleic Acid: A Mechanistic Approach.

Noscapine (NOS) is efficient in inhibiting cellular proliferation and induces apoptosis in nonsmall cell, lung, breast, lymphatic, and prostate cancers. The micelle-assisted drug delivery is a well-known phenomenon; however, the proper mechanism is still unclear. Therefore, in the present study, we have shown a mechanistic approach for the delivery of NOS from sodium dodecyl sulfate (SDS) micelles to calf thymus deoxyribose nucleic acid (ctDNA) base-pairs using various spectroscopic techniques.