Osteoporosis is a bone disease which requires early detection. The biomarkers provide a promising challenge of clinical proteomics for early disease detection. Different techniques like BMD testing, optical and electrochemical testing have been studied comparatively. New peaks have been identified in UV-visible spectroscopy at 420nm and high sensitivity is achieved by electrochemical technique with ng/ml to pico/ml level detection of bonemarkers. An electrochemical technique is found to be the best suitable for developing a new bioMEMS chip.
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http://dx.doi.org/10.1109/IEMBS.2007.4352776 | DOI Listing |
Hum Reprod
January 2025
Department of Epidemiology, Brown University School of Public Health, Providence, RI, USA.
Study Question: Are empirically derived adolescent overweight/obesity phenotypes differentially associated with polycystic ovary syndrome (PCOS) in young adulthood?
Summary Answer: Self-reported PCOS diagnosis risk in young adulthood varied by empirically derived adolescent overweight/obesity phenotypes, with the highest risk observed among those in the 'mothers with obesity' and 'early puberty' phenotypes.
What Is Known Already: Overweight and obesity during puberty are postulated to promote the development of PCOS. Much of the prior literature in this area is cross-sectional and defines weight status based solely on BMI, yet emerging research suggests that not all people with overweight/obesity have the same risk for chronic health conditions, including PCOS.
ACS Sens
January 2025
Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
Precise and sensitive analysis of specific DNA in actual human bodily fluids is crucial for the early diagnosis of major diseases and for a deeper understanding of DNA functions. Herein, by grafting a peptide-conjugated hairpin DNA probe to a covalent organic framework (COF)-based photocathode, a robust anti-interference photoelectrochemical (PEC) DNA bioassay was explored, which could specifically resist potential interference from nonspecific proteins and reducing species. Human immunodeficiency virus (HIV) DNA was used as the target DNA (tDNA) for the PEC DNA bioassay.
View Article and Find Full Text PDFACS Synth Biol
January 2025
Biosensors and Nanobiotechnology Laboratory, Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE 1410, Brunei Darussalam.
The field of healthcare diagnostics is navigating complex challenges driven by evolving patient demographics and the rapid advancement of new technologies worldwide. In response to these challenges, these biosensors offer distinctive advantages over traditional diagnostic methods, such as cost-effectiveness, enhanced specificity, and adaptability, making their integration with point-of-care (POC) platforms more feasible. In recent years, aptasensors have significantly evolved in diagnostic capabilities through the integration of emerging technologies such as microfluidics, Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) systems, wearable devices, and machine learning (ML), driving progress in precision medicine and global healthcare solutions.
View Article and Find Full Text PDFPLoS One
January 2025
Key Laboratory for Prevention and Control of Common Animal Diseases in General Higher Education Institutions of Heilongjiang Province, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.
This study aims to provide a theoretical foundation for the future management of diabetes at various stages induced by a high-fat diet. Specifically, it seeks to determine the appropriate pharmacological interventions for each phase of diabetes development and the targeted therapeutic directions at different stages of diabetes progression. This investigation employed C57BL6 mice as experimental subjects, successfully establishing an insulin resistance model through a 12-week high-fat diet.
View Article and Find Full Text PDFPLoS One
January 2025
Amsterdam University Medical Centers, Department of Infectious Diseases, Amsterdam Infection and Immunity Institute, University of Amsterdam, Amsterdam, The Netherlands.
Introduction: Oral pre-exposure prophylaxis (PrEP) prevents Human Immunodeficiency Virus (HIV) acquisition. In the Netherlands, PrEP is accessible through the national PrEP program (NPP) or general practitioners (GP). Still, some men who have sex with men (MSM) entering HIV care indicated having PrEP experience prior to diagnosis.
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