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| http://dx.doi.org/10.6061/clinics/2021/e3218 | DOI Listing |
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Mid-infrared dual-comb spectroscopy offers significant advantages by combining the high sensitivity of mid-infrared spectroscopy with the high spectral resolution and rapid acquisition of the dual-comb method. However, its effective resolution, constrained by the inherent comb line spacing, hinders its ability to resolve narrow absorption features, common in critical applications such as sub-Doppler spectroscopy, low-pressure gas analysis, and construction of the atmospheric profile. To address this challenge, we present a synchronous offset frequency tuning method for the mid-infrared dual-comb system to improve effective resolution far beyond comb line spacing.
View Article and Find Full Text PDFEvaluating the Effectiveness of a Culturally Adapted Dementia Prevention Animation on Ethnically Diverse participants' Knowledge of Dementia Prevention.
Clin Gerontol
January 2025
Division of Social Gerontology, National Ageing Research Institute, Parkville, Victoria, Australia.
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Comparison of taurolidine with 4% ethylenediaminetetraacetic acid on antimicrobial lock effectiveness: An experimental study.
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3rd Department of Internal Medicine-Metabolic Care and Gerontology, University Hospital and Medical Faculty in Hradec Kralove, Charles University in Prague, Hradec Kralove, Czech Republic.
Background: Antimicrobial lock therapy is recommended for preventing and treating catheter-related bloodstream infections, but different solutions have uncertain efficacy.
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The Proviral Reservoirs of Human Immunodeficiency Virus (HIV) Infection.
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State Research Center of Virology and Biotechnology "Vector", Koltsovo 630559, Russia.
Human Immunodeficiency Virus (HIV) proviral reservoirs are cells that harbor integrated HIV proviral DNA within their nuclear genomes. These cells form a heterogeneous group, represented by peripheral blood mononuclear cells (PBMCs), tissue-resident lymphoid and monocytic cells, and glial cells of the central nervous system. The importance of studying the properties of proviral reservoirs is connected with the inaccessibility of integrated HIV proviral DNA for modern anti-retroviral therapies (ARTs) that block virus reproduction.
View Article and Find Full Text PDFField-Programmable Gate Array (FPGA)-Based Lock-In Amplifier System with Signal Enhancement: A Comprehensive Review on the Design for Advanced Measurement Applications.
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Facultad de Ingeniería, Universidad Autónoma de Baja California, Mexicali 21280, Mexico.
Lock-in amplifiers (LIAs) are critical tools in precision measurement, particularly for applications involving weak signals obscured by noise. Advances in signal processing algorithms and hardware synthesis have enabled accurate signal extraction, even in extremely noisy environments, making LIAs indispensable in sensor applications for healthcare, industry, and other services. For instance, the electrical impedance measurement of the human body, organs, tissues, and cells, known as bioelectrical impedance, is commonly used in biomedical and healthcare applications because it is non-invasive and relatively inexpensive.
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