Publications by authors named "Ehsani M"

Background: Early detection of peri-implant bone defects can improve long-term durability of dental implants. By the advances in cone-beam computed tomography (CBCT) scanners and introduction of new algorithms, it is important to find the most efficient protocol for detection of bone defects. This study aimed to assess the efficacy of metal artifact reduction (MAR) and advanced noise reduction (ANR) algorithms for detection of peri-implant bone defects.

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Background: Acute lymphocytic leukemia (ALL), characterized by uncontrolled growth of abnormal lymphocytes, predominantly affects children. Genetic analysis focusing on genes and microRNAs reveals important information about the biology of ALL, enabling accurate diagnosis and treatment. This study examines gene and microRNA expression in B cell ALL to improve early diagnosis and personalized treatment.

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Double perovskite BaFeMoO (BFMO) and doped with Ag ions were synthesized via the sol-gel method. The structural and antibacterial properties and viability of the samples were systematically investigated. The results of the Rietveld refinement indicated that both samples exhibited a single phase with cubic structure and space group Fm-3m.

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This study introduces a dual-release transdermal drug delivery system using a hydrogel matrix of cross-linked gelatin and sodium carboxymethyl cellulose (NaCMC). Designed for immediate drug release from microneedles (MNs) and sustained release from microcapsules (MCs), this system utilizes lidocaine hydrochloride as the model drug. The fabrication process involved casting the hydrogel into MN molds, with MCs embedded in the backing layer, establishing a dual-release mechanism.

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Article Synopsis
  • This study explored how the size of BaTiO ceramics affects their piezoelectric properties using molecular dynamics simulations, confirming thermal and potential energy equilibrium at 300 K within 10 ns.
  • As the ceramic size increased, both the mean square displacement and diffusion coefficients decreased, indicating a more uniform microstructure with reduced ion mobility due to fewer defects.
  • The findings revealed that larger BaTiO samples showed enhanced polarization values, while the increased stress from better domain alignment limited the mobility of the domain walls, emphasizing the importance of size and microstructure in optimizing ferroelectric materials for electronic applications.
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Nowadays, the consumption of functional foods, such as plant-based beverages, is increasing due to their health-promoting properties. The low extraction yield of nutritional and functional components is considered a major challenge during the production of sorghum-based beverages (SBB), as well as their sensorial properties. This investigation studied the effects of various treatments (acidic using phosphoric acid, enzymatic using α-amylase, germination, germination-acidic, germination-enzymatic, and acidic-enzymatic) on the functional, nutritional, and sensorial properties of SBB.

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Introduction: Cervical cancer represents one of the main causes of female, cancer-related mortality worldwide. The majority of cancers are caused by human papillomaviruses such as HPV16 and HPV18. As chemotherapeutic resistance to first-line platinum treatment is still a predominant clinical challenge in advanced cervical cancer, novel treatment options including combinatorial therapies are urgently required to overcome chemotherapeutic resistance.

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This study was designed to investigate the effect of vitamin D and/or synbiotics on the response to treatment, cytokines profile and hormonal biomarkers in breast cancer patients undergoing neoadjuvant therapy. A total of 76 patients were recruited and completed the course of the intervention between 2019 and 2021 in Kerman, Iran. breast cancer patients were randomly enrolled in this study.

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BaFeMoO samples were prepared using the sol-gel method without and using Cetyltrimethylammonium bromide (CTAB) to study their photocatalytic properties. The structural and morphological properties of the samples were characterized systematically. The Rietveld refinement described a cubic structure with space group Fm-3m and a single phase with no detectable impurity for either.

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Article Synopsis
  • Apolipoprotein AV (APOA5) helps lower fat levels (triglycerides) in the blood by stopping another protein complex (ANGPTL3/8) from interfering with lipoprotein lipase (LPL), which breaks down fats.
  • Researchers found that a mutation in APOA5 leads to higher triglyceride levels, meaning certain parts of the protein are needed to perform its job well.
  • Experiments with mice showed that the normal version of APOA5 worked to reduce triglyceride levels, while a modified version without important parts didn’t, highlighting those parts' key role in keeping fat levels in check.
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In this article, a novel method for removing atmospheric turbulence from a sequence of turbulent images and restoring a high-quality image is presented. Turbulence is modeled using two factors: the geometric transformation of pixel locations represents the distortion, and the varying pixel brightness represents spatiotemporal varying blur. The main framework of the proposed method involves the utilization of low-rank matrix factorization, which achieves the modeling of both the geometric transformation of pixels and the spatiotemporal varying blur through an iterative process.

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In this study, determination of aromatic compounds in cheese samples was performed by headspace solid-phase microextraction (HS-SPME) using a new adsorbent as a novel coated fiber in combination with a gas chromatography/mass spectrometry or flame ionization detector to evaluate the changes during ripening. Brine and ultrafiltrated (UF) cheese were sampled via HS-SPME and analyzed by gas chromatography/mass spectrometry. Polysulfone and mesoporous carbon nitride were used as two types of fibers for coating.

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Background: Severe Mental Disorders (SMDs) cause mental health worldwide challenges because of several relapses and extensive recovery periods of hospitalization, which put a lot of economic and social burden on families and governments. Therefore, interventions are necessary to decrease the relapse of these disorders.

Aim: This study was conducted to investigate the effect of Information Technology Assisted Relapse Prevention Program (ITAREP) on relapse among people who live with SMDs.

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Cervical cancer is a leading cause of death among women globally, primarily driven by high-risk papillomaviruses. However, the effectiveness of chemotherapy is limited, underscoring the potential of personalized immunotherapies. Patient-derived organoids, which possess cellular heterogeneity, proper epithelial architecture and functionality, and long-term propagation capabilities offer a promising platform for developing viable strategies.

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Developing new biodegradable packaging with superior properties and advanced functionalities is one of the most emerging research areas of interest in food packaging. In this study, PLA/PEG-based nanocomposite films incorporated with different amounts of nano glass flake (NGF) (0, 0.5, 1, and 2 phr) were fabricated via casting solution for applications in food packaging.

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In this work, we investigated in detail the upconversion properties of several types of nanoparticles, including NaYF:5%Yb/30%Mn, NaYF:40%Mn/x%Yb (x% = 1, 5, 10, 20, 30, and 40), NaYF:2%Er/x%Mn (x% = 20, 30, 40, 50, 60, and 70), NaYF:40%Mn/x%Er (x% = 1, 2, 5, and 10), and NaYF:40%Mn/1%Yb/x%Er (x% = 0, 2, 5, and 10). We studied their upconversion emission under 980 nm excitation in both pulsed and continuous wave modes at different synthesis temperatures. The nanoparticles were characterized using transmission electron microscopy (TEM), X-ray diffraction (XRD), and photoluminescence (PL) spectroscopy.

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After feeding, adipose tissue lipoprotein lipase (LPL) activity should be maximized, therefore the potent LPL-inhibitory activity of angiopoietin-like protein 4 (ANGPTL4) must be blocked by ANGPTL8 through formation of ANGPTL4/8 complexes. ANGPTL4/8 tightly binds and protects LPL but also partially inhibits its activity. Recently, we demonstrated ANGPTL4/8 also binds tissue plasminogen activator (tPA) and plasminogen to generate plasmin that cleaves ANGPTL4/8 to restore LPL activity.

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This work aimed to establish a novel membrane consisting of hemostatic polysaccharides, kappa-carrageenan (KC), and carboxymethyl chitosan (CMC) in tandem with polyvinyl alcohol that spun together as a matrix and loaded with tranexamic acid (TXA) as antifibrinolytic agent for further coagulation effect during and after oral surgeries. The electrospinning of KC was done for the first time and in comparison of CMC has better hemostatic efficacy. The effect of the hemostat was investigated by its surface morphology (SEM), FTIR/ATR analysis, swelling behavior in both PBS and blood, hydrophilicity, porosity, mechanical properties, and cumulative release rate.

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Key Clinical Message: The etiology of hepatoblastoma (HB) is still unknown; several risk factors have been identified. The only risk factor for the development of HB in presented case was the child's father using anabolic androgenic steroids. It may be a risk factor for developing HB in their children.

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Background: Aggression is one of the most prevalent behavioral disorders in men.

Objective: This study aimed to assess the possible association between dietary intake of food groups and aggression in middle-aged married men.

Methods: This case-control study included 336 participants (168 men with aggressive behaviors and 168 healthy controls) aged 35-55 years.

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The difference in inter-chain and intra-chain electrostatic attraction was investigated in polyelectrolyte and polyampholyte electrostatic complex formation. Three polymers with similar backbone molecular structures including chitosan (Ch) polycation, carboxymethyl cellulose (CMCe) polyanion, and carboxymethyl chitosan (CMCh) polyampholyte were used for this purpose. The turbidimetric, water content, and rheological measurements for polyampholyte self-complex showed more dependence on the ionic strength rather than the polyelectrolyte one.

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Background: Incivility is one of the significant challenges that affect nursing education. Uncivil behaviors have a significant upward trend compared to the past in nursing education. This study was conducted to explore academic incivility from the perspective of nursing students and faculty.

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Triglyceride (TG) metabolism is highly regulated by angiopoietin-like protein (ANGPTL) family members [Y. Q. Chen ,  , 1203-1220 (2020)].

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Congenital sideroblastic anemia is characterized by anemia and intramitochondrial iron accumulation in erythroid precursors that form ring sideroblasts. The most common recessive forms are caused by sequence variations in the ALAS2 and SLC25A38 genes. In patients with transfusion-dependent and pyridoxine- resistant severe congenital sideroblastic anemia, hematopoietic stem celltransplantis the only curative option.

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Producing butter from yogurt is known as a traditional way practiced in Iran and elsewhere, particularly in rural areas. Lactic acid bacteria (LAB) with probiotic and cholesterol-lowering properties were isolated from traditional butter collected in different regions of Iran. Then, isolates were identified and applied as adjunct culture in industrial butter production.

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