Metabolic syndrome (MS) is a cluster of conditions that increases the probability of heart disease, stroke, and diabetes, and is very common worldwide. While the exact cause of MS has yet to be understood, there is evidence indicating the relationship between MS and the dysregulation of the immune system. The resultant biomarkers that are expressed in the process are gaining relevance in the early detection of related MS. However, sensing only a single analyte has its limitations because one analyte can be involved with various conditions. Thus, for MS, which generally results from the co-existence of multiple complications, a multi-analyte sensing platform is necessary for precise diagnosis. In this review, we summarize various types of biomarkers related to MS and the non-invasively accessible biofluids that are available for sensing. Then two types of widely used sensing platform, the electrochemical and optical, are discussed in terms of multimodal biosensing, figure-of-merit (FOM), sensitivity, and specificity for early diagnosis of MS. This provides a thorough insight into the current status of the available platforms and how the electrochemical and optical modalities can complement each other for a more reliable sensing platform for MS.
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http://dx.doi.org/10.3390/s22145200 | DOI Listing |
Alzheimers Dement
December 2024
7072 mulago hill, Kampala, Uganda.
Background: In Uganda, caregivers of Alzheimer's disease and related dementias (ADRD) face complex challenges, often lacking specialized skills for effective caregiving. Despite the growing prevalence of ADRD in the country, there's a significant literature gap on caregiver selection and obstacles faced in urban and rural areas. This study aims to provide insights into the experiences of Ugandan caregivers, enhancing understanding of ADRD caregiving.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México, DF, Mexico.
Background: The World Health Organization forecasts a population of 2,000 million people over 60 years by the year 2050, with 7% of this population suffering from dementia. Making a constant clinical-technological evaluation of older adults allows early detection of the disease and provides a better quality of life for the patient. In this sense, the research and development of innovative technological systems for the early detection of the disease, its monitoring and management of the growing number of patients with cognitive diseases has increased in recent years, integrating data collection and its automatic processing based on geriatric metrics into these systems using artificial intelligence (AI) methods.
View Article and Find Full Text PDFSmall Methods
January 2025
Fujian Provincial Key Laboratory of Functional Marine Sensing Materials, College of Material and Chemical Engineering, Minjiang University, Fuzhou, 350108, P. R. China.
The cost-effective and scalable synthesis and patterning of soft nanomaterial composites with improved electrical conductivity and mechanical stretchability remains challenging in wearable devices. This work reports a scalable, low-cost fabrication approach to directly create and pattern crumpled porous graphene/NiS nanocomposites with high mechanical stretchability and electrical conductivity through laser irradiation combined with electrodeposition and a pre-strain strategy. With modulated mechanical stretchability and electrical conductivity, the crumpled graphene/NiS nanocomposite can be readily patterned into target geometries for application in a standalone stretchable sensing platform.
View Article and Find Full Text PDFNat Chem Biol
January 2025
Department of Biomedical Engineering, Duke University, Durham, NC, USA.
Engineering cells to sense and respond to environmental cues often focuses on maximizing gene regulation at the single-cell level. Inspired by population-level control mechanisms like the immune response, we demonstrate dynamic control and amplification of gene regulation in bacterial populations using programmable plasmid-mediated gene transfer. By regulating plasmid loss rate, transfer rate and fitness effects via Cas9 endonuclease, F conjugation machinery and antibiotic selection, we modulate the fraction of plasmid-carrying cells, serving as an amplification factor for single-cell-level regulation.
View Article and Find Full Text PDFMikrochim Acta
January 2025
Federal University of Uberlândia, Chemistry Institute, Uberlândia, MG, 38400-902, Brazil.
The use of 3D-printed electrodes is reported fabricated from in-house conductive filament composed of a mixture of recycled poly (lactic acid) (rPLA), graphite (Gpt), and carbon black (CB) for fast detection of the abused drug ketamine. Firstly, the performance of these electrodes was evaluated in comparison to 3D-printed electrodes produced employing a commercially available conductive filament. After a simple pretreatment step (mechanical polishing), the new 3D-printed electrodes presented better performance than the electrodes produced from commercial filament in relation to peak-to-peak separation of the redox probe [Fe(CN)]/ (130 mV and 759 mV, respectively), charge transfer resistance (R = 1.
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