Immobilization of glucosidase onto silica-based, amino functionalized beads for enzymatic hydrolysis of urinary phenol prior to liquid chromatographic analysis (Record no. 43131)

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fixed length control field 01810nam a2200277Ia 4500
003 - CONTROL NUMBER IDENTIFIER
control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250625124728.0
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-8869
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245 10 - TITLE STATEMENT
Title Immobilization of glucosidase onto silica-based, amino functionalized beads for enzymatic hydrolysis of urinary phenol prior to liquid chromatographic analysis
490 0# - SERIES STATEMENT
Volume/sequential designation Analytica Chimica Acta, 292(1-2), p.23-30, 1994
520 3# - SUMMARY, ETC.
Summary, etc. An amino-functionalized silica commercial liquid chromatography packing material was used instead of controlled- pore glass as the support to react with glutaraldehyde and then to directly immobilize the /3-glucosidase. After enzymatic hydrolysis, the urinary phenol was separated by reversed-phase liquid chromatography and monitored by an electrochemical detector at 0.85 V (vs. Ag/AgCl). Factors that affect the immobilization and hydrolysis were investigated. The proposed method provides a simpler procedure with a less expensive material for glucosidase immobilization, and the electrochemical detection avoids the interference from other urinary species and hence simplifies the chromatogram obtained. The detection limit was 0.2 ng with a 28 ~1 injection. The relative standard deviations for 1.2 ng and 2.0 ng levels of phenols were 1.16
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element ENZYMATIC METHODS
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element LIQUID CHROMATOGRAPHY
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element PACKING MATERIALS
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element GLUCOSIDASE IMMOBILIZATION
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element PHENOL
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element URINARY PHENOL
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Jen, J.F.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Zen, J.H.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Cheng, F.C.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Yang, G.Y.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1ItNie1pJVIj6OGN3WdRX0UiARS5_S5iE/view?usp=drivesdk">https://drive.google.com/file/d/1ItNie1pJVIj6OGN3WdRX0UiARS5_S5iE/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-8869 25.06.2025 25.06.2025 Documentos solicitados