The work presents the results of studies made with a view to improve the method of testing gamma-globulin preparations for the presence of hepatitis B virus surface antigen (HBsAg) by means of radioimmunoassay (RIA). The work shows that this method requires the use of specially selected negative control samples made up of pooled gamma-globulin samples. Standard RIA techniques intended for detecting the presence of HBsAg in human plasma and blood serum is not suitable for the analysis of the preparations of human gamma-globulin.
Download full-text PDF |
Source |
|---|
Publication Analysis
Top Keywords
Similar Publications
Synthesis and characterization of new (Au, Ru, and Rh) ion complexes and evaluating their activity as anticancer and antioxidants.
Appl Biochem Biotechnol
January 2025
Department of Chemistry, College of Sciences for Women, University of Baghdad, Baghdad, Iraq.
Azo dye was used to prepare a new series of complexes with chlorides of rhodium (Rh), ruthenium (Ru), and corona (Au). The prepared materials were subjected to infrared, ultraviolet-visible, and mass spectrometry, as well as thermogravimetric analysis, differential calorimetry, and elemental analysis. Conductivity, magnetic susceptibility, metal content, and chlorine content of the complexes were also measured.
View Article and Find Full Text PDFValue addition to wastes: photo/sono-catalytic and antimicrobial performance of nickel ferrite derived using iron tailing and Raney nickel catalyst processing wastes.
Environ Sci Pollut Res Int
January 2025
Department of Chemistry, Utkal University, Bhubaneswar, 751 004, Odisha, India.
This research highlights a sustainable approach for the design and synthesis of a magnetic nickel ferrite (NiFeO) catalyst reutilizing industrial waste, specifically iron ore tailing and Raney nickel catalyst processing waste, by simple co-precipitation method. Transforming waste materials into high-performance catalysts, this study aligns with the principles of a circular economy, addressing both environmental waste and pollution. Structural characterization by X-ray diffraction (XRD) and microscopic (FESEM and TEM) revealed the formation of well crystalline nano ferrite with NiFeO nanoparticles with cubic spinel structure.
View Article and Find Full Text PDFExploring extracellular RNA as drivers of chemotherapy resistance in cancer.
Mol Biol Rep
January 2025
Centre for Research Impact & Outcome-Chitkara College of Pharmacy, Chitkara University, Punjab, India.
Chemotherapy resistance (CR) represents one of the most important barriers to effective oncological therapy and often leads to ineffective intervention and unfavorable clinical prognosis. Emerging studies have emphasized the vital significance of extracellular RNA (exRNA) in influencing CR. This thorough assessment intends to explore the multifaceted contributions of exRNA, such as exosomal RNA, microRNAs, long non-coding RNAs, and circular RNAs, to CR in cancer.
View Article and Find Full Text PDFComparative Analysis of CXCR5 Circulating DNA Methylation Levels in Autoimmune Rheumatic Diseases.
Immun Inflamm Dis
January 2025
Department of Rheumatology, Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China.
Objective: To assess CXC chemokine receptor 5 (CXCR5) circulating DNA methylation differences in autoimmune rheumatic diseases and their relation with clinical features.
Methods: Targeted methylation sequencing was performed using peripheral blood from 164 rheumatoid arthritis (RA), 30 systemic lupus erythematosus (SLE), 30 ankylosing spondylitis (AS), 30 psoriatic arthritis (PsA), 24 Sjögren's syndrome (SS) patients, and 30 healthy controls (HC).
Results: Significant differences in CXCR5 cg19599951 methylation were found between RA and HC, as well as AS and SLE.
Motor decision-making under uncertainty and time pressure.
J Neurophysiol
February 2025
Centre for Sensorimotor Performance, School of Human Movement and Nutrition SciencesThe University of QueenslandBrisbaneQueenslandAustralia.
Purposeful movement often requires selection of a particular action from a range of alternatives, but how does the brain represent potential actions so that they can be compared for selection, and how are motor commands generated if movement is initiated before the final goal is identified? According to one hypothesis, the brain averages partially prepared motor plans to generate movement when there is goal uncertainty. This is consistent with the idea that motor decision-making unfolds through competition between internal representations of alternative actions. An alternative hypothesis holds that only one movement, which is optimized for task performance, is prepared for execution at any time.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!