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Establishment of DBS-based reference intervals for vitamins, essential elements, and potentially toxic elements in Chinese adults from Hubei ProvinceMengtong Yangon July 15, 2026 at 10:00 am

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Clin Chem Lab Med. 2026 Jul 16. doi: 10.1515/cclm-2026-0511. Online ahead of print. ABSTRACT OBJECTIVES: This study aimed to establish a comprehensive panel of dried blood spot (DBS)-specific reference intervals (RIs) for vitamins, essential elements, and potentially toxic elements (PTEs) in Chinese adults, and to introduce a hierarchical decision framework for selecting between healthy- and … Read more

Characterization of the Migration Profile of 36 Therapeutic Monoclonal Antibodies in Serum Protein Electrophoresis and Immunofixation

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Clin Chem. 2026 Jul 15:hvag080. doi: 10.1093/clinchem/hvag080. Online ahead of print. ABSTRACT BACKGROUND: Therapeutic monoclonal antibodies (t-mAbs) are widely used in oncology, hematology, and immune-mediated diseases. Some t-mAbs are detectable by serum protein electrophoresis (SPEP) and immunofixation (IF), potentially mimicking monoclonal gammopathies. Despite widespread use, migration profiles of many t-mAbs remain incompletely described. METHODS: Thirty-six … Read more

Venous-capillary blood agreement for routine chemistry analytes: effects of collection site and sample matrixSara Dezaon July 14, 2026 at 10:00 am

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Clin Chem Lab Med. 2026 Jul 15. doi: 10.1515/cclm-2026-0671. Online ahead of print. ABSTRACT OBJECTIVES: Capillary blood sampling enables minimally invasive testing and decentralized workflows, but interchangeability with venous specimens may depend on collection site, device, and matrix. METHODS: We conducted a single-center, paired clinical study of 480 adults yielding 960 capillary specimens (fingertip lancet … Read more

Flow cytometric analysis of peritoneal dialysis fluid in suspected peritonitis: diagnostic performance and limitationsLea Tybirkon July 13, 2026 at 10:00 am

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Clin Chem Lab Med. 2026 Jul 14. doi: 10.1515/cclm-2026-0684. Online ahead of print. ABSTRACT OBJECTIVES: Peritonitis is a feared complication to peritoneal dialysis (PD), requiring empirical broad-spectrum antibiotics. A rapid method to predict culture positivity and bacterial Gram classification could enable earlier targeted therapy and reduce unnecessary antibiotic exposure. This study evaluated the diagnostic performance … Read more

Performance of the CellaVision advanced RBC application for schistocyte counting in the emergency clinical laboratoryElisa Pivaon July 13, 2026 at 10:00 am

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Clin Chem Lab Med. 2026 Jul 14. doi: 10.1515/cclm-2026-0463. Online ahead of print. ABSTRACT OBJECTIVES: Schistocyte quantification is essential for diagnosing microangiopathic hemolytic anemia (MAHA) and thrombotic microangiopathies (TMA). Early exclusion is critical for guiding appropriate management. However, the reference standard remains time-consuming manual microscopy, highly operator-dependent. In this study, the CellaVision Advanced RBC Application … Read more

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