Publications by authors named "Qodratollah Heydari"

This study investigates the influence of environmental factors on the secondary metabolites of Stachyslavandulifolia Vahl., focusing on how soil properties, temperature, and precipitation affect the yield and chemical composition of its essential oils. The research was conducted in two domains within three rangelands in Mazandaran province, Iran.

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Background And Objective: Equitable distribution of health resources is important to achieving equity, guaranteeing access to healthcare services, and improving societies' health status. This study aimed to examine equity in the distribution of health resources and its association with the mortality caused by COVID-19 in South Khorasan province, east Iran.

Method: This was a secondary analysis of data from a cross-sectional study conducted in South Khorasan province in 2022.

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Skin cancer is the commonest malignancy for the population. Conventional skin cancer treatments include chemotherapy and surgery, but a large number of the chemotherapeutic drugs applied currently have undesirable possessions. The aim of this study is to provide a complete and acute assessment of the antitumor capability of gold nano-formulations in skin cancer as a new and more effectual delivery system for targeted therapy.

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Objectives: Numerous studies show that the adipokines play a role in on the thyroid axis. The aim of this study was the evaluation of serum level of CTRP-3 and CTRP-6 as a member of the adipokines family in patients with Hashimoto's.

Methods: The levels of CTRP-3 and CTRP-6 were evaluated with enzyme-linked immunosorbent assay in 70 subjects (35 newly diagnosed Hashimoto's thyroiditis and 35 healthy subjects).

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In order to lower total energy consumption, this study focuses on optimizing energy use in refinery boilers. Using Aspen HYSYS simulations and modeling approaches like Artificial Neural Networks (ANNs) and Response Surface Methodology (RSM), data from 579 days of boiler operation was gathered and examined. Radial Basis Function (RBF) and Multi-Layer Perceptron (MLP) techniques were used in the ANN modeling.

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The cooling procedure markedly diminishes the quality of guinea pig () sperms, primarily because their membranes are highly susceptible to this process. This susceptibility triggers the generation of reactive oxygen species and free radicals, ultimately leading to lipid peroxidation in the sperm membrane. Surprisingly, there has been a lack of research on the use of Tris-based extenders to safeguard guinea pig sperm under refrigeration conditions.

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MXenes, a family of two-dimensional transition metal carbides and nitrides, exhibit exceptional properties such as high electrical conductivity, large surface area, and chemical versatility, making them ideal candidates for various dialysis applications. One prominent application of MXenes lies in the efficient removal of toxic metals and harmful dyes from wastewater. Their unique structure allows for rapid adsorption and selective separation, significantly improving purification processes.

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Vitiligo is a chronic depigmenting condition that causes amelanotic macules and patches on the skin. Despite various treatment options, treating vitiligo is a challenge. This study aimed to evaluate the combination of laser CO fractional and narrow-band ultraviolet B (NB-UVB) versus NB-UVB monotherapy in vitiligo patients.

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Background: Ketamine is a promising drug for analgesia in emergency medicine, but a high rate of side effects is a barrier to whispered usage. We hypothesized that ketamine bolus followed by ketamine infusion would provide a more even and longer duration of analgesia and lower rates of side effects in comparison to bolus-only administration.

Methods: This was a double-blinded, clinical trial.

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In this paper, a hybrid optimization method based on a technique for order of preference by similarity to an ideal solution (TOPSIS) is used for the simultaneous site selection and sizing of a hybrid photovoltaic (PV) water pumping/diesel generator energy system. Various sites in Iran are analyzed for the establishment of the photovoltaic water pumping power plants. Key geographical and climatic criteria are used for optimal site selection across different sites.

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Alzheimer’s disease is the fifth-leading cause of death for adults over the age of 65. Retinal imaging has emerged to find more accurate diagnostic tool for Alzheimer’s Disease. This paper highlights Hao et al.

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Background: Wound healing is a complex procedure frequently delayed in patients with underlying chronic conditions. Despite essential advances in tissue engineering and regenerative medicine, wound healing remains challenging, warranting novel methods for promoting wound healing. It has been demonstrated that exosomes are one of the main secretory products of different cell types, such as Mesenchymal Stem Cells (MSCs), for regulating various biological processes, including wound healing.

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Effective wound management and treatment are crucial in clinical practice, yet existing strategies often fall short in fully addressing the complexities of skin wound healing. Recent advancements in tissue engineering have introduced innovative approaches, particularly through the use of nanobiomaterials, to enhance the healing process. In this context, titanium dioxide nanoparticles (TiO NPs) have garnered attention due to their excellent biological properties, including antioxidant, anti-inflammatory, and antimicrobial properties.

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Article Synopsis
  • Autism spectrum disorder (ASD) is a complex neurobehavioral condition influenced by various genetic and environmental factors, leading to disruptions in behavior and emotions.
  • A review of existing studies utilized databases like Google Scholar and PubMed to investigate the role of neural, anatomical, and chemical factors in ASD development, focusing particularly on hormones such as melatonin, serotonin, and IGF-1.
  • The review aims to explore the association between these hormones and ASD, evaluating their potential as therapeutic solutions to alleviate ASD symptoms.
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Herein, we discuss the structure-function of biomimetic imidazole-quartet substrates (I-quartets) obtained through the adaptive self-assembly of octyl-ureido-polyol structures in polyamide membranes designed as adsorbents. Molecular dynamics (MD) and well-tempered metadynamics simulations are utilized to examine ion contaminants' adsorption process and dynamic behaviors onto alkylureido-ethylimidazoles with well-defined supramolecular structures. Moreover, the atoms-in-molecules (AIM) analysis identified multiple types of atomic interactions between the contaminant molecules and the substrates.

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In this study, we address the challenge of analyzing electrophysiological measurements in neuronal networks. Our computational model, based on the Reservoir Computing Network (RCN) architecture, deciphers spatio-temporal data obtained from electrophysiological measurements of neuronal cultures. By reconstructing the network structure on a macroscopic scale, we reveal the connectivity between neuronal units.

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Introduction: Traffic accidents are a major public health concern worldwide, resulting in significant injuries, fatalities, and economic costs. In urban zones, traffic accident dynamics can vary significantly due to population density, infrastructure, and emergency response capabilities. The present study was conducted to determine the time intervals of prehospital emergencies in traffic accidents by separating the 15 zones of Isfahan city, Iran.

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Polyelectrolyte complex nanoparticles (PECNPs) often fully dissociate into individual polycations (PC) and polyanions (PA) at high salinities. Herein, we introduce a novel type of colloidally stable PECNP in which the PC is cross-linked, in this case branched polyethylenimine (PEI) to limit this dissociation, even in solutions up to 5.2 M NaCl or 5.

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Cysteine chemoproteomic screening platforms are widely utilized for chemical probe and drug discovery campaigns. Chemoproteomic compound screens, which use a mass spectrometry-based proteomic readout, can interrogate the structure activity relationship (SAR) for thousands of proteins in parallel across the proteome. The versatility of chemoproteomic screens has been demonstrated across electrophilic, nucleophilic, and reversible classes of molecules.

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A significant challenge in membrane production is the need for affordable materials that provide high efficiency for their designated applications. Employing recycled materials in membrane manufacturing is viewed as a promising solution to tackle this challenge. In this work, a superwettable polyethylene terephthalate membrane modified with cobalt zeolitic imidazolate framework (PET/Co ZIF) is prepared for the first time from recycled plastic mineral water bottles and used to extract polycyclic aromatic hydrocarbons (PAHs) from aqueous samples followed by high-performance liquid chromatography with UV detection (HPLC-UV).

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The coordinated motion of animal groups through fluids is thought to reduce the cost of locomotion to individuals in the group. However, the connection between the spatial patterns observed in collectively moving animals and the energetic benefits at each position within the group remains unclear. To address this knowledge gap, we study the spontaneous emergence of cohesive formations in groups of fish, modeled as flapping foils, all heading in the same direction.

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Background And Objective: In Iran, Health Sector Evolution Plan, the most significant reform in the healthcare system in recent decades, has been launched since 2014 with the objective of achieving universal health coverage, decreasing out-of-pocket health expenditures and improving access to health services in hospitals and clinics affiliated to the Ministry of Health and Medical Education (MOHME). This study aimed to estimate the hospitalization costs of lung cancer and the impact of HSEP on hospitalization costs of lung cancer and patients' contribution in Iran between 2010 and 2017.

Methods: This was a prevalence-based cost of illness study with a bottom-up costing approach.

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Qiao et al. recently investigated the ability of dual-energy X-ray absorptiometry (DXA) scans and a smartphone app to provide detailed body composition and shape data. In a healthcare system that continues to rely on crude and stigmatizing measurements like body-mass index (BMI), their findings point to the potential of newer technologies to capture markers (i.

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Background: Patients who have been infected with the Hepatitis B virus (HBV) are susceptible to developing liver cirrhosis (LC) and hepatocellular carcinoma (HCC). The objective of this systematic review was to comprehensively scrutinize the existing evidence concerning the association between host genetic polymorphisms and HBV-associated LC.

Methods: We searched databases of PubMed, Scopus, and Web of Science for relevant articles published from building databases to 25 October 2023.

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