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Ways to Measure Metals: From ICP-MS to XRF.
Curr Environ Health Rep
January 2025
School of Health Sciences, Purdue University, West-Lafayette, IN, 47906, USA.
Purpose Of Review: This review explores the use of Inductively Coupled Plasma Mass Spectrometry (ICP-MS) and X-ray Fluorescence (XRF) for quantifying metals and metalloids in biological matrices such as hair, nails, blood, bone, and tissue. It provides a comprehensive overview of these methodologies, detailing their technological limitations, application scopes, and practical considerations for selection in both laboratory and field settings. By examining traditional and novel aspects of each method, this review aims to guide researchers and clinical practitioners in choosing the most suitable analytical tool based on their specific needs for sensitivity, precision, speed, and sample preparation.
View Article and Find Full Text PDFDon't break the bank: Description of survivors in high-volume transfusion and utility of transfusion in trauma.
Surgery
January 2025
Department of Surgery, University Hospitals Cleveland Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH.
Introduction: In response to blood shortages, providers face pressure to conserve blood. No metrics exist to calculate transfusion utility. We describe characteristics of survivors after high-volume resuscitation and evaluate transfusion utility in low-volume and high-volume resuscitation.
View Article and Find Full Text PDFSimultaneous determination of busulfan, fludarabine, phenytoin, and posaconazole in plasma from patients undergoing hematopoietic stem cell transplantation.
J Pharm Biomed Anal
January 2025
Department of Pharmacy, Hebei Children's Hospital, Shijiazhuang, Hebei 050031, China. Electronic address:
A simple, fast, sample-saving, and sensitive liquid chromatography-tandem mass spectrometry method was established with a linear range adjusted by in-source collision-induced dissociation. Notably, this could simultaneously determine busulfan, fludarabine, phenytoin, and posaconazole in plasma from children, each having unique physical and chemical properties. The procedure necessitated only 20 μL of plasma and involved a simple protein precipitation process.
View Article and Find Full Text PDFCirculating HPVDNA in patients undergoing transoral robotic surgery for oropharyngeal cancer: liquid biopsy could identify molecular residual disease.
Eur Arch Otorhinolaryngol
January 2025
Department of Otolaryngology-Head and Neck Surgery, IRCCS Regina Elena National Cancer Institute, Istituti Fisioterapici Ospitalieri (IFO), Via Elio Chianesi 53, 00144, Rome, Italy.
Objectives: we evaluated the hypothesis that level of ctHPVDNA on the first postoperative day (POD-1); and at 15 days (POD-15) could be associated with the need for adjuvant therapy and the presence of recurrence.
Materials And Methods: this is a prospective observational study on biomarkers, focusing on the longitudinal monitoring of ctHPVDNA in a cohort of HPV-OPSCC patients undergoing TORS. Blood samples were collected according to the following schema: (1) pretreatment; (2) on first postoperative day (POD 1); and (3) at 15 days (POD 15).
Identifying proteomic prognostic markers for Alzheimer's disease with survival machine learning: The Framingham Heart Study.
J Prev Alzheimers Dis
February 2025
Department of Biostatistics, Boston University School of Public Health, Boston, MA 02118, USA. Electronic address:
Background: Protein abundance levels, sensitive to both physiological changes and external interventions, are useful for assessing the Alzheimer's disease (AD) risk and treatment efficacy. However, identifying proteomic prognostic markers for AD is challenging by their high dimensionality and inherent correlations.
Methods: Our study analyzed 1128 plasma proteins, measured by the SOMAscan platform, from 858 participants 55 years and older (mean age 63 years, 52.
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