Spectrofluorimetric method for the estimation of total lipids in Eremothecium ashbyii fungal filaments using Nile blue and avoiding interference of autofluorescent riboflavin (Record no. 47468)

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control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250625153919.0
040 ## - CATALOGING SOURCE
Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-13267
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245 10 - TITLE STATEMENT
Title Spectrofluorimetric method for the estimation of total lipids in Eremothecium ashbyii fungal filaments using Nile blue and avoiding interference of autofluorescent riboflavin
490 0# - SERIES STATEMENT
Volume/sequential designation Journal of MicroBiological Methods, 55(1), p.99-103, 2003
520 3# - SUMMARY, ETC.
Summary, etc. A rapid, simple and sensitive spectrofluorimetric technique was developed for monitoring total lipids in hyphae of the riboflavin-overproducing fungus Eremothecium ashbyii using the fluorescent probe Nile blue in an aqueous system, avoiding the interference due to autofluorescent riboflavin. The existing methodologies for lipid estimation are tedious, requiring large biomass, solvent extraction and gravimetry. E. ashbyii is a hemiascomycete fungus which accumulates lipids in its mycelia prior to flavinogenesis. This study defines the conditions (wavelength selection and sensitivity)for the spectrofluorimetric quantification of lipids in situ in the macerated mycelia of this fungus in the presence of intracellular autofluorescent riboflavin without the need to extract the lipids from the mycelia. The fluorescent intensity was linear with the lipid concentration of the mycelia (by gravimetry)under three different growth conditions using glucose, olive oil and sunflower oil as carbon sources. This spectrofluorimetic method of lipid estimation can be applied to other fungi and microorganisms.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element NILE BLUE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element PHENOXAZINE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element IN SITU LIPID ESTIMATION
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element FLUORESCENT PROBE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element SPECTROFLUORIMETRY
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element EREMOTHECIUM ASHBYII
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MYCELIA
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element RIBOFLAVIN
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element GRAVIMETRY
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Vijayalakshmi, S.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Karthika, T.N.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Mishra, A.K.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Chandra, T.S.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1DAK4yNJwdr4P-JzjuzKJNOjJP57YA4iO/view?usp=drivesdk">https://drive.google.com/file/d/1DAK4yNJwdr4P-JzjuzKJNOjJP57YA4iO/view?usp=drivesdk</a>
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-13267 25.06.2025 25.06.2025 Documentos solicitados