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<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.3 20210610//EN" "https://jats.nlm.nih.gov/publishing/1.3/JATS-journalpublishing1-3.dtd">
<article article-type="meeting-report" dtd-version="1.3" xml:lang="en">
  <front xmlns:xlink="http://www.w3.org/1999/xlink">
    <journal-meta>
      <journal-title-group>
        <journal-title>St. Petersburg Polytechnic University Journal: Physics and Mathematics</journal-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Научно-технические ведомости СПбГПУ. Физико-математические науки</trans-title>
        </trans-title-group>
      </journal-title-group>
      <issn pub-type="epub">2304-9782, 2618-8686, 2405-7223</issn>
    </journal-meta>
    <article-meta xmlns:xlink="http://www.w3.org/1999/xlink">
      <article-id pub-id-type="publisher-id">52</article-id>
      <article-id pub-id-type="doi">10.18721/JPM.153.252</article-id>
      <title-group>
        <article-title>Physicochemical analysis of bisretinoid A2E photooxidative destruction products</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Физико-химический анализ продуктов фотодеструкции бисретиноида А2Е</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name>
            <surname>Yakovleva</surname>
            <given-names>Marina</given-names>
          </name>
          <email>lina.invers@gmail.com</email>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Vasin</surname>
            <given-names>Alexander</given-names>
          </name>
          <email>a2vasin@yandex.ru</email>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Dontsov</surname>
            <given-names>Aleksandr</given-names>
          </name>
          <email>adontsovnick@yahoo.com</email>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Gulin</surname>
            <given-names>Alexander</given-names>
          </name>
          <email>aleksandr.gulin@phystech.edu</email>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Aybush</surname>
            <given-names>Arseny</given-names>
          </name>
          <email>aiboosh@gmail.com</email>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Feldman</surname>
            <given-names>Tatiana</given-names>
          </name>
          <email>feldmantb@mail.ru</email>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Ostrovsky</surname>
            <given-names>Mikhail</given-names>
          </name>
          <email>ostrovsky3535@mail.ru</email>
        </contrib>
      </contrib-group>
      <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2022-12-01">
        <day>01</day>
        <month>12</month>
        <year>2022</year>
      </pub-date>
      <volume>15</volume>
      <issue>3.2</issue>
      <fpage>285</fpage>
      <lpage>290</lpage>
      <self-uri xmlns:xlink="http://www.w3.org/1999/xlink" content-type="pdf" xlink:href="https://physmath.spbstu.ru/userfiles/files/articles/2022/3.2/52_P_3_2_15_2022-285-290.pdf"/>
      <abstract xml:lang="en">
        <p>Bisretinoid N-retinyl-N-retinylidene ethanolamine (A2E) of the retinal pigment epithelium (RPE) lipofuscin granules is a side product of visual cycle. Its accumulation is associated with degenerative diseases of the retina and retinal pigment epithelium. In this study A2E photooxidation and photodegradation products were studied. Absorption and 2D fluorescence spectra of these substances were detected. Time-of-flight secondary ion mass spectrometry (ToF-SIMS) and Fourier-transform infrared spectroscopy (FTIR) revealed chemical changes during the A2E photooxidation process. Aldehyde accumulation was observed and new structure one of the resulting compounds was proposed.</p>
      </abstract>
      <kwd-group xml:lang="en">
        <kwd>Retinal pigment epithelium</kwd>
        <kwd>bisretinoid A2E</kwd>
        <kwd>photooxidation</kwd>
        <kwd>carbonyls</kwd>
      </kwd-group>
    </article-meta>
  </front>
</article>
