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An integrated immunofluorescent detection system for automated and sensitive protein quantification based on a microfluidic flow cytometry platform.
Anal Chim Acta
March 2025
Holosensor Medical Technology Ltd, Room 12, No. 1798, Zhonghuayuan West Road, Yushan Town, Suzhou, 215000, China; Department of Veterinary Medicine, University of Cambridge, Cambridge, UK. Electronic address:
Rapid and sensitive protein detection methods are of benefit to clinical diagnosis, pathological mechanism research, and infection prevention. However, routine protein detection technologies, such as enzyme-linked immunosorbent assay and Western blot, suffer from low sensitivity, poor quantification and labourious operation. Herein, we developed a fully automated protein analysis system to conduct fast protein quantification at the single molecular level.
View Article and Find Full Text PDFFluorescence Polarization Immunoassay for Rapid, Sensitive Detection of the Herbicide 2,4-Dichlorophenoxyacetic Acid in Juice and Water Samples.
Biosensors (Basel)
January 2025
Faculty of Chemistry, M.V. Lomonosov Moscow State University, Leninsky Gory 1/3, 119991 Moscow, Russia.
2,4-Dichlorophenoxyacetic acid (2,4-D) is one of the popular herbicides that is widely used in agriculture and can be found in food and water. A rapid and sensitive fluorescence polarization immunoassay (FPIA) was proposed for the detection of 2,4-D in juice and water. New tracers, 2,4-D-buthylenediamin fluoresceinthiocarbamyl (2,4-D-BDF) and 2,4-D-glycine aminofluorescein (2,4-D-GAF), were obtained and characterized.
View Article and Find Full Text PDF[Pathological diagnosis of solid pancreatic lesions with endoscopic ultrasound-guided fine needle aspiration: a series study of 311 cases].
Zhonghua Bing Li Xue Za Zhi
January 2025
Department of Pathology, the Second Hospital of Hebei Medical University, Shijiazhuang050000, China.
To investigate the combined application of cytology, cell block histology and immunohistochemistry to improve the diagnostic accuracy of solid pancreatic lesions in endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) samples. The pathological data of EUS-FNA in 311 cases of solid pancreatic lesions submitted to the Second Hospital of Hebei Medical University, Shijiazhuang, China from May 2019 to September 2023 were retrospectively analyzed. The cases included pancreatic ductal adenocarcinoma (PDAC, 172 cases), solid pseudopapillary neoplasm (SPN, 12 cases), neuroendocrine tumors (PNET, 14 cases) and chronic pancreatitis (113 cases).
View Article and Find Full Text PDFDiagnostic performance of biopsy-based methods for determination of Helicobacter pylori infection in dyspeptic Mozambican patients.
J Infect Dev Ctries
November 2024
Department of Microbiology, Faculty of Medicine, Universidade Eduardo Mondlane, Maputo, Mozambique.
Background: Helicobacter pylori (H. pylori) is a Gram-negative bacterium capable of colonizing the human stomach, which can lead to various gastrointestinal conditions. Several invasive and non-invasive methods exist for diagnosing H.
View Article and Find Full Text PDFCorrelation between Ki-67 labeling index and mitotic index in Head and neck squamous cell carcinoma.
Indian J Pathol Microbiol
October 2024
Department of Pathology, Government Medical College, Thrissur, Kerala, India.
Background: Proliferative activity of any tissue or neoplasm can be determined by its growth rate by mitotic count or by using antibodies directed against specific antigens like Ki-67. The usefulness of Ki-67 in head and neck cancers has been debated for the past 20 years; however, no study has definitively resolved this controversy.
Aim: Assess the correlation between Ki-67 expression and mitotic index in head and neck squamous cell carcinoma.
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