Biochemical quantification of DNA in human articular and septal cartilage using PicoGreen® and Hoechst 33258

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منابع مشابه

Biochemical quantification of DNA in human articular and septal cartilage using PicoGreen and Hoechst 33258.

OBJECTIVE To compare two fluorometric assays, utilizing (1) the bisbenzimidazole Hoechst 33258 and (2) PicoGreen, for determining DNA content in human cartilage. METHODS Human articular and nasal septal cartilage explants were digested using proteinase K. Portions of sample digest were analysed for intrinsic and dye-enhanced fluorescence with either Hoechst 33258 or PicoGreen. RESULTS Intri...

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Quantitation of DNA using Hoechst 33258

An essential element of cellular and molecular biology is the ability to quantitate DNA in large numbers of samples at a sensitivity that enables determination of small amounts of sample. Here we describe a fluorescent method to quantitate DNA with Hoechst 33258 dye and the BioTek FL600 fluorescence microplate reader. This assay provides linear results over three orders of magnitude and can rou...

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Amyloglucosidase suppresses interference by glycogen in the quantification of DNA using the Hoechst 33258 dye.

The Hoechst dye fluorescence technique, which is used for the quantitative determination of DNA (12), requires high saline concentrations at neutral pH to reach maximal fluorescence of the DNA-dye complex and to render the DNA fully accessible to the dye by dissociating foreign molecules (3,12). In conventional assays, the DNA is alcohol-precipitated and then resuspended in buffer containing 2 ...

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Interaction of Hoechst 33258 and ethidium with histone1-DNA condensates.

We report structural and dynamical aspects of DNAs from various sources including synthetic oligonucleotides in bulk buffer and as a complex with histone1 (H1). High-resolution transmission electron microscopic (HRTEM) studies reveal the structural change of the DNAs upon complexation with H1 leading to formation of compact-globular and hollow-toroidal particles. In order to explore the functio...

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Binding Mechanisms of Methylene Blue and Hoechst 33258 with Dna

In this work the data of methylene blue (MB) and Hoechst 33258 interaction with DNA are presented. It has been shown that at 0.002 M ionic strength of solution MB is bound to double-stranded DNA by three modes: intercalation, semi-intercalation and electrostatic. It was revealed that at higher ionic strengths of solution complete intercalation of MB becomes thermodynamically unacceptable. It wa...

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ژورنال

عنوان ژورنال: Osteoarthritis and Cartilage

سال: 2002

ISSN: 1063-4584

DOI: 10.1053/joca.2002.0794