A Nonidet P-40 extract of HSV-1-purified virions was fractionated by reversed-phase high-performance liquid chromatography (RP-HPLC). The first peak fraction eluted at 25% organic solvent. Polyacrylamide gel electrophoresis showed that it contained a 57,000-dalton polypeptide. The polypeptide was characterized by determination of the amino acid composition and the N-terminal amino acid sequence. Adsorption of the detergent extract before RP-HPLC showed that the polypeptide reacted with monoclonal antibodies LP1 directed against herpes simplex virus polypeptide VP-16.
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http://dx.doi.org/10.1128/JVI.54.2.265-270.1985 | DOI Listing |
J Am Soc Nephrol
January 2025
State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China.
Background: Cardiac surgery-associated acute kidney injury is a common serious complication after cardiac surgery. Currently, there are no specific pharmacological therapies. Our understanding of its pathophysiology remains preliminary.
View Article and Find Full Text PDFAnalyst
January 2025
Department of Comparative Biomedical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, 70803, USA.
Various technical methodologies are required to accurately detect substances of different chemical and pharmacological properties in biological samples, which are increasing in number and variety daily. Therefore, laboratories where many samples and different factors are analyzed simultaneously need methods with easy sample preparation, short analysis times and low analysis costs. In this study, the objective was to scan substances susceptible to chemical degradation, amenable to analysis without hydrolysis, and exhibiting short-term stability by employing a straightforward, expeditious, and cost-efficient method.
View Article and Find Full Text PDFAnal Methods
January 2025
ampere - Laboratório de Plataformas Eletroquímicas - Universidade Federal de Santa Catarina, Departamento de Química, 88040-900 Florianópolis, SC, Brazil.
Terbinafine hydrochloride (TBF) is a broad-spectrum antifungal used to treat various dermatophyte infections affecting the skin, hair, and nails. Accurate, sensitive, and affordable analytical methods are crucial for quantifying this drug. In this study, we report on the use of carbon-based electrodes for the electrochemical determination of TBF in pharmaceutical samples, including raw materials and tablets.
View Article and Find Full Text PDFMethods Protoc
January 2025
Univ. Bordeaux, INRAE, Bordeaux INP, Bordeaux Sciences Agro, UMR 1366, OENO, ISVV, F-33882 Villenave d'Ornon, France.
Procyanidins are widely distributed in plant-derived foods, and consist of flavanol oligomers and polymers. Recently, the crown procyanidin sub-family, characterised by a unique macrocyclic structure, has been identified in grapes and wine. This study reports the development and validation of a rapid and quantitative analytical method measuring crown procyanidin concentration in red and white wines using ultra-high-performance liquid chromatography (UHPLC) coupled with a Q-TOF mass spectrometer.
View Article and Find Full Text PDFAntibodies (Basel)
January 2025
Federal Institute of Material Testing and Research (BAM), 12489 Berlin, Germany.
This review describes mass spectrometry (MS)-based approaches for the absolute quantification of therapeutic monoclonal antibodies (mAbs), focusing on technical challenges in sample treatment and calibration. Therapeutic mAbs are crucial for treating cancer and inflammatory, infectious, and autoimmune diseases. We trace their development from hybridoma technology and the first murine mAbs in 1975 to today's chimeric and fully human mAbs.
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