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A gene-encoded bioprotein second harmonic generation (SHG) probe from Autographa californica nuclear polyhedrosis virus (AcMNPV) polyhedrin for live cell imaging.
Eur Biophys J
January 2025
Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China.
Compared to fluorescence, second harmonic generation (SHG) has recently emerged as an excellent signal for imaging probes due to its unmatched advantages in terms of no photobleaching, no phototoxicity, no signal saturation, as well as the superior imaging accuracy with excellent avoidance of background noise. Existing SHG probes are constructed from heavy metals and are cellular exogenous, presenting with high cytotoxicity, difficult cellular uptake, and the limitation of non-heritability. We, therefore, initially propose an innovative gene-encoded bioprotein SHG probe derived from Autographa californica nuclear polyhedrosis virus (AcMNPV) polyhedrin.
View Article and Find Full Text PDFLeveraging Metal Complexes for Microsecond Lifetime-Based Chloride Sensing.
ACS Sens
January 2025
Department of Chemistry & Biomolecular Science, Clarkson University, Potsdam, New York 13676, United States.
Chloride is the most abundant anion in cells and plays many critical roles in maintaining cellular homeostasis. However, current chloride indicators are rare with inherent sensitivity in their emission properties, such as vulnerability to pH changes or short emission lifetimes. These limitations restrict their application in aqueous media and imaging.
View Article and Find Full Text PDFComparison of Cumulative Live Birth Rates Between Progestin and GnRH Analogues in Preimplantation Genetic Testing Cycles.
J Clin Endocrinol Metab
January 2025
Center for Reproductive Medicine, Guangdong Women and Children Hospital, Guangzhou 511400, Guangdong Province, China.
Context: Progestins have recently been used as an alternative for gonadotropin-releasing hormone (GnRH) analogues to prevent premature luteinizing hormone surge due to the application of vitrification technology. However, the long-term efficacy and safety of a progestin-primed ovarian stimulation (PPOS) regimen, including oocyte competence, cumulative live birth rate (LBR), and offspring outcomes, remain to be investigated.
Objective: To compare cumulative LBR of preimplantation genetic testing (PGT) cycles between a PPOS regimen and GnRH analogues.
Examining homology between MPXV and immunogenic VACV-derived peptides.
Vaccine
January 2025
Mayo Clinic Vaccine Research Group, Mayo Clinic, Rochester, MN 55905, USA. Electronic address:
The mpox virus (MPXV) came to global attention with the 2022 global outbreak. Current vaccination and post-exposure prophylaxis against MPXV consists of live vaccinia whole virus-based vaccines including ACAM2000®, JYNNEOS™, and LC16m8 originally developed against smallpox. Here, we analyzed 152 vaccinia-derived peptides we identified by mass spectrometry for homology with MPXV-1 and MPXV-2 sequences to evaluate their potential relevance to MPXV-specific immunity.
View Article and Find Full Text PDFBacteriophage-based live bacteria detection for rapid infection diagnosis.
Talanta
January 2025
Gazi University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkiye; METU MEMS Research and Application Center, Ankara, Turkiye. Electronic address:
Bacterial bloodstream infections cause high morbidity and mortality. Although bacteria can be detected by various methods, culture methods are often used for the detection of live, accurate, reproducible, and selective bacterial identification. However, the culture method is time-consuming, and clinicians often start treatment immediately due to the long determination time.
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