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  <front>
    <journal-meta>
      <journal-title-group>
        <journal-title>American Journal of PharmTech Research</journal-title>
        <abbrev-journal-title abbrev-type="publisher">AJPTR</abbrev-journal-title>
      </journal-title-group>
      <issn pub-type="epub">2249-3387</issn>
      <publisher>
        <publisher-name>undefined</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="publisher-id">AJPTR51039</article-id>
      <title-group>
        <article-title>Preparation and Characterization of Amlodipine Besylate Polymorphs</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name>
            <surname>Thalluri</surname>
            <given-names>Chandrashekar</given-names>
          </name>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Bontha</surname>
            <given-names>Vijay Kumar</given-names>
          </name>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>N</surname>
            <given-names>Devanna</given-names>
          </name>
          <xref ref-type="aff" rid="aff3"/>
        </contrib>
      </contrib-group>
      <aff id="aff1">Department of Pharmaceutics, S.R. College of pharmacy, Warangal, AndhraPradesh, India.</aff>
      <aff id="aff2">Department of Pharmaceutics, Janagoan Institute of Pharmaceutical Sciences, Janagoan, Warangal,Andhra Pradesh, India.</aff>
      <aff id="aff3">Department of Chemistry, Jawaharlal Nehru Technological University, Ananthapur, Andhra Pradesh, India.</aff>
      <pub-date pub-type="epub" iso-8601-date="2015-02-01">
        <month>02</month>
        <day>01</day>
        <year>2015</year>
      </pub-date>
      <volume>5</volume>
      <issue>1</issue>
      <abstract>
        <p>The objective of the present work was to make different crystal forms of Amlodipine besylate. It was planned to prepare crystal forms using solvents of varying polarity and by change of phase and it was extended to characterize the prepared crystal forms using techniques like Scanning electron microscopy, IR spectroscopy, and Differential scanning calorimetry and/or X-ray diffractometry. Based on above these studies Amlodipine besylate pure was exisisted as Amlo-I, Amlo-II, Amlo –III and Amlo-IV forms were different in size and shape.</p>
      </abstract>
      <kwd-group kwd-group-type="author">
        <kwd>Amlodipine besylate</kwd>
        <kwd>Scanning electron microscopy</kwd>
        <kwd>IR spectroscopy and Differential scanning calorimetry and/or X-ray diffractometry.</kwd>
      </kwd-group>
    </article-meta>
  </front>
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