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      Lipid and Protein Density in the Rat Retina: A Microradiographical Study

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          Abstract

          Lipid and protein density in each retinal layer were determined microradiographically in retinal sections of 10 rats. Lipid in retinal sections was extracted with chloroform. The fraction of dry mass remaining after lipid extraction is mainly protein. The dry mass lost in chloroform processing was calculated to obtain the lipid density, which accounts for about 30% of the total dry mass density. The total dry mass density in each retinal layer is the sum of the lipid and protein density. Lipid should be regarded as an important X-ray absorber when determining the dry mass density in the rat retina with microradiography.

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          Author and article information

          Journal
          ORE
          Ophthalmic Res
          10.1159/issn.0030-3747
          Ophthalmic Research
          S. Karger AG
          0030-3747
          1423-0259
          1991
          1991
          10 December 2009
          : 23
          : 4
          : 220-224
          Affiliations
          Department of Medical Biophysics, Karolinska Institute and Eye Laboratory, St. Eriks Eye Hospital, Stockholm, Sweden
          Article
          267106 Ophthalmic Res 1991;23:220–224
          10.1159/000267106
          1945293
          5668c6c1-16ef-45f6-8e3d-025f01f6660c
          © 1991 S. Karger AG, Basel

          Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

          History
          : 25 October 1990
          : 07 March 1991
          Page count
          Pages: 5
          Categories
          Paper

          Vision sciences,Ophthalmology & Optometry,Pathology
          Lipid density,Lipid extraction,Microradiography,Protein density,Rat,Retina,Total dry mass density

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