Platelet Nanocrystals Resulting from the Disruption of Waxy Maize Starch Granules by Acid Hydrolysis (Record no. 44271)

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control field MX-MdCICY
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control field 20250625140624.0
040 ## - CATALOGING SOURCE
Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-10029
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245 10 - TITLE STATEMENT
Title Platelet Nanocrystals Resulting from the Disruption of Waxy Maize Starch Granules by Acid Hydrolysis
490 0# - SERIES STATEMENT
Volume/sequential designation BioMacromolecules, 4(5), p.1198-1202, 2003
520 3# - SUMMARY, ETC.
Summary, etc. Colloidal aqueous suspensions of starch nanocrystals were prepared by submitting native granules from A-type amylopectin-rich waxy maize to a hydrochloric acid hydrolysis. The insoluble residue contains polydisperse and more or less individualized platelet nanocrystals corresponding to the lamellae formed by the association of amylopectin side branches into parallel arrays of double helices. After 2 weeks of hydrolysis, 5-7 nm thick lamellae still connected by R(1f6)linkages were seen edge-on using transmission electron microscopy. As the hydrolysis progressed up to 6 weeks, more R(1f6)branching points located in the inter-lamellar areas were severed and the platelets were thus observed in planar view. Despite a variety of shapes, characteristic geometrical features of the nanocrystalsa were recognized, such as marked 60-65° acute angles and constituting parallelepipedal blocks with a length of 20-40 nm and a width of 15-30 nm. X-ray and electron diffraction showed that these nanoplatelets retain the crystalline A-type of the parent granules.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Putaux, J.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Molina-Boisseau, S.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Momaur, T.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Dufresne, A.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1Ud-iIydFgJs-B4b1XQlpsQC503poI50G/view?usp=drivesdk">https://drive.google.com/file/d/1Ud-iIydFgJs-B4b1XQlpsQC503poI50G/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-10029 25.06.2025 25.06.2025 Documentos solicitados