Publications by authors named "Rg Nair"

Mass-fraction-optimized heterojunction composites featuring precisely engineered interfaces and mesoporous structures are crucial for improving light absorption, minimizing electron-hole recombination, and boosting overall catalytic efficiency. Herein, highly efficient mesoporous-NiFeO@g-CN heterojunctions were developed by embedding p-type NiFeO nanoparticles (NPs) within n-type porous ultrathin g-CN (p-uCN) nanosheets. The optimized NiFeO@g-CN, loaded with 20 wt % magnetic counterparts, exhibits exceptional photocatalytic methylene blue (MB) degradation, achieving the highest performance in both photocatalytic and photo-Fenton processes with rate constants of 0.

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  • The study aimed to investigate how the Affordable Care Act (ACA) and its Medicaid expansion impacted insurance coverage and survival rates for patients with HIV-related aggressive lymphoma.
  • Researchers analyzed data from the National Cancer Database, focusing on adults diagnosed between 2007 and 2016 to compare survival outcomes between states that adopted Medicaid expansion and those that did not.
  • The results indicated a significant decrease in uninsured individuals and a marked improvement in 2-year survival rates for patients in Medicaid expansion states (7.17% increase), suggesting that the ACA positively affected health outcomes in this population.
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Mesoporous catalysts with a high specific surface area, accessible pore structures, and appropriate band edges are desirable for optimal charge transfer across the interfaces, suppress electron-hole recombination, and promote redox reactions at the active sites. The present study demonstrates the rational design of mesoporous ZnFeO@g-CN magnetic nanocomposites (MNCs) with different pore sizes and pore volumes following a combination of facile thermal itching and thermal impregnation methods. The MNCs preserve the structural, morphological, and physical attributes of their counterparts while ensuring their effectiveness and superior catalytic capabilities.

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Background: Coronary endarteritis and stent abscess following percutaneous coronary intervention (PCI) are rare and challenging conditions with no clear treatment guidelines available.

Aims: This retrospective study aims to present the clinical features, patient and procedural factors, management strategies, and outcomes in 11 consecutive cases referred between 2018 and 2022.

Methods: We retrospectively analysed 11 cases of coronary endarteritis and stent abscess post-PCI that were referred from various centres.

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  • Dyskeratosis congenita is a rare genetic disorder that leads to bone marrow failure and is marked by symptoms like nail dystrophy, skin pigmentation issues, and oral leukoplakia.
  • Patients often experience additional complications affecting various body systems, including gastrointestinal and respiratory issues.
  • This report highlights a unique case of a young male with dyskeratosis congenita who developed oral squamous cell carcinoma on the tongue.
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Ameloblastic fibroma (AF) is a rare benign odontogenic tumour first described by Kruse in 1891. Although reported in a wide age range, most of the cases are seen in the first two decades of life with majority of cases being diagnosed before the age of 20 years. There are reported variations in the histopathological presentation of ameloblastic fibroma.

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Hepatocellular carcinoma (HCC) is one of the most common malignancies worldwide that is etiologically linked to a previous hepatitis B infection. We describe two cases of HCC metastasis to the oral cavity in 60- and 67-year-old male patients. The first case was a diffuse, hard swelling in the left body of the mandible.

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Background: Fecal immunochemical test (FIT) is an effective colorectal cancer screening modality. Little is known about prevalence, reasons, and testing after unsatisfactory FIT, or a FIT that cannot be processed by the laboratory due to inadequate stool specimen or incomplete labeling.

Methods: Our retrospective cohort study examined unsatisfactory FIT among average-risk individuals aged 50-74 years in a large, integrated, safety-net health system who completed an index FIT from 2010 to 2019.

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Background: Despite national policy efforts to increase colorectal cancer (CRC) screening, rates in vulnerable populations remain suboptimal. Many types of interventions have been employed, but their impact on improving population-level rates of CRC screening over time is uncertain.

Objective: Assess the impact of 10 years of different in-reach and outreach strategies to improve CRC screening and identify factors associated with being screen up-to-date (SUTD).

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Doping of zinc oxide (ZnO) with manganese (Mn) tunes midbandgap states of ZnO to enhance its optical properties and makes it into an efficient photoactive material for photoelectrochemical water splitting, waste removal from water, and other applications. We demonstrate that ZnO modified with 1 at. % Mn exhibits the best performance, as rationalized by experimental, structural, and optical characterization and theoretical analysis.

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This article presents the combined analysis of reconfigurable power division and negative group delay (NGD) in a power divider. A novel composite transmission line based reconfigurable power divider with high power division ratio, variable negative group delay, and lower characteristic impedance is presented in this work. The impedance transformation in composite transmission lines control both negative group delay and power division.

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Doped ZnO nanostructures have shown great potential for solar energy applications. Considering the compatible ionic radius, Mg atoms can be doped into ZnO at different concentrations. The current work reports a combined experimental and density functional theory study on the influence of the Mg dopant concentration on ZnO performance simultaneously for photocatalytic dye removal and photoelectrochemical water splitting.

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Background: Myocardial bridging (MB) is a common congenital cardiovascular anomaly. There are reported associations of MB with different clinical presentations like effort angina, acute coronary syndromes (ACS) and sudden cardiac death. Acceleration of atherosclerosis in proximal vessel is reported in patients with MB, while bridged segments are reported to be free of atherosclerosis.

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Background: The appropriate antibiotic treatment for severe scrub typhus, a neglected but widespread reemerging zoonotic infection, is unclear.

Methods: In this multicenter, double-blind, randomized, controlled trial, we compared the efficacy of intravenous doxycycline, azithromycin, or a combination of both in treating severe scrub typhus. Patients who were 15 years of age or older with severe scrub typhus with at least one organ involvement were enrolled.

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Introduction: The use of intracardiac echocardiography (ICE) is beneficial during the ablation of atrial fibrillation (AF). Evidence is conflicting regarding the clinical impact of using ICE on arrhythmia recurrence and mortality.

Methods: Patients undergoing catheter ablation of AF during 2010-2017 were identified using the International Classification of Diseases-9th and 10th Revision-Clinical Modification (ICD-9-CM and ICD-10-CM) from the Nationwide Readmissions Database.

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Disclaimer: This article is based on recommendations from the 12 WALT Congress, Nice, October 3-6, 2018, and a follow-up review of the existing data and the clinical observations of an international multidisciplinary panel of clinicians and researchers with expertise in the area of supportive care in cancer and/or PBM clinical application and dosimetry. This article is informational in nature. As with all clinical materials, this paper should be used with a clear understanding that continued research and practice could result in new insights and recommendations.

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  • - The study investigates false-positive results in uninsured minority women undergoing 3-D mammography, analyzing data from 21,022 women in the Breast Screening and Patient Navigation (BSPAN) program in North Texas.
  • - False-positive rates were found to be 11.8% in women aged 40-49 and 9.6% in women aged 50-64, with increased odds related to certain demographic factors like hormone replacement therapy and prior mammograms.
  • - The findings highlight the need for further research to reduce false-positive rates and optimize resource use in community outreach programs aimed at this vulnerable population.
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Background: The Breast Screening and Patient Navigation (BSPAN) Program provides access to no-cost breast cancer screening services to uninsured women in North Texas. Using data from the longitudinal BSPAN program (2012-2019), we assessed prevalence and correlates of (i) baseline adherence and (ii) longitudinal adherence to screening mammograms.

Methods: Outcomes were baseline adherence (adherent if women received second mammogram 9-30 months after the index mammogram) and longitudinal adherence (assessed among baseline adherent women and defined as being adherent 39 months from the index mammogram).

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Background: Understanding factors that influence patients' preferences towards oral cancer (OC) screening is imperative to provide high-quality evidence-based OC screening interventions that can be targeted for population-level uptake. This study determined adult patients' knowledge and awareness of OC, and how health behaviours influenced their preferences towards OC screening.

Methods: This cross-sectional study used a 42-point questionnaire, between February and May 2020 using a combination of in-person and telephone interviews.

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Aims: The International Study of Comparative Health Effectiveness with Medical and Invasive Approaches (ISCHEMIA) trial prespecified an analysis to determine whether accounting for recurrent cardiovascular events in addition to first events modified understanding of the treatment effects.

Methods And Results: Patients with stable coronary artery disease (CAD) and moderate or severe ischaemia on stress testing were randomized to either initial invasive (INV) or initial conservative (CON) management. The primary outcome was a composite of cardiovascular death, myocardial infarction (MI), and hospitalization for unstable angina, heart failure, or cardiac arrest.

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Background: Although yoga is found to be beneficial in the management of type 2 diabetes (T2D), its mechanism of action is poorly understood. T2D is also known to be associated with increased oxidative stress (OS) and DNA damage.

Purpose: This study examines how yoga modulates OS-induced DNA damage and the efficiency of DNA repair in T2D conditions.

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Background: Accrual to cancer clinical trials is suboptimal. Few data exist regarding whether financial reimbursement might increase accruals.

Objective: The objective of this study was to assess perceptions about reimbursement to overcome barriers to trial accrual.

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This study evaluated the impact of peri-implant treatment in the salivary levels of Colony stimulator factor -1 (CSF-1), S100A8/A9 and S100A12 in patients having mucositis or peri-implantitis. As a secondary aim, we analysed the correlation between the salivary and peri-implant crevicular fluid (PICF) levels. Forty-seven patient, 27 having mucositis (mean age 63.

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  • A systematic review was conducted to evaluate the safety and efficacy of photobiomodulation therapy (PBMT) in cancer patients, following PRISMA guidelines and analyzing 67 studies, including in vitro, in vivo, and clinical research.
  • In vitro studies showed mixed results on PBMT's impact on cancer cells, possibly due to varying application parameters, while in vivo studies and clinical trials indicated that PBMT is generally safe and could help prevent complications from cancer treatments.
  • Overall, while current literature suggests PBMT may enhance patient survival and safety in certain cancers, additional research is necessary to address unanswered questions and optimize its use in oncology.
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