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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">AJPTR35020</article-id>
      <title-group>
        <article-title>Studies of Drug-Polymer Interactions of Carvedilol with various Polymers using some Analytical Techniques</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name>
            <surname>Bal</surname>
            <given-names>Trishna</given-names>
          </name>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Murthy</surname>
            <given-names>Padala Narasimha</given-names>
          </name>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Sengupta</surname>
            <given-names>Shubhranshu</given-names>
          </name>
        </contrib>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2013-10-01">
        <month>10</month>
        <day>01</day>
        <year>2013</year>
      </pub-date>
      <volume>3</volume>
      <issue>5</issue>
      <abstract>
        <p>The present study aims at investigating the different combinations of polymers with inclusion complex of Carvedilol (CR)-Hydroxypropyl betacyclodextrin (HPβCD) prepared in a ratio of 1:1 by use of various analytical techniques like Fourier Transformation Infrared spectroscopy (FTIR), X-ray diffraction technique (XRD), Digital scanning calorimetry (DSC), Thermo gravimetric analysis (TGA) as a part of preformulation studies. Various polymers used for the present study were Sodium alginate (SA), Hydroxy propyl beta cyclodextrin (HPBCD), Hydroxy propyl methyl cellulose LV E-15(HPMC), Pectin (P), Eudragit NE30D (EU). This study indicated that Carvedilol formed inclusion complex with the HPβCD, but in combination with other polymers, drug did not show any other interactions.</p>
      </abstract>
      <kwd-group kwd-group-type="author">
        <kwd>Carvedilol</kwd>
        <kwd>FTIR</kwd>
        <kwd>TGA</kwd>
        <kwd>Drug-polymer compatibility</kwd>
      </kwd-group>
    </article-meta>
  </front>
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