3,4-Dimethoxytropolone
3,4-Dimethoxytropolone can be isolated from Streptoverticillium hadanonense fermentation broths and found to be active against both Gram-positive and Gram-negative bacteria.
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- CAS. Nr.: 69432-64-0
- Formel: C9H10O4
- Molecular Weight:182.17
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Speicherung:
Please store the product under the recommended conditions in the Certificate of Analysis.
Biologische Aktivität
Beschreibung
Chemical Information
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CAS. Nr. 69432-64-0
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Molecular Weight 182.17
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Formel C9H10O4
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SMILES
O=C1C=CC=C(C(OC)=C1O)OC
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Structure Classification
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Initial Source
Streptoverticillium hadanoense subsp. tropolonium MK-104
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Versand
Room temperature in continental US; may vary elsewhere.
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Speicherung
Please store the product under the recommended conditions in the Certificate of Analysis.
Protokoll
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Gram Staining of Tissue Sections
Gram staining of tissue sections is a histochemical technique used to differentiate Gram-positive and Gram-negative bacteria within histological specimens based on differences in bacterial cell wall structure and dye retention, adapted from classical bacteriological Gram staining into tissue-compatible “histological Gram stain” variants. In tissue applications, modifications of the Brown-Hopps and Brown-Brenn methods are commonly used to improve differentiation of microorganisms embedded within host connective tissue and to reduce overstaining or loss of Gram-negative signal, which are known limitations of earlier approaches. The principle relies on crystal violet-iodine complex retention in Gram-positive organisms and subsequent decolorization and counterstaining steps that allow contrast visualization of Gram-negative organisms against tissue background.
Reinheit & Dokumentation
Verweise
Calculators
Konzentration (Stammlösung) × Volumen (Stammlösung) = Konzentration (Ziellösung) × Volumen (Ziellösung)