تفاصيل الوثيقة نوع الوثيقة : مقال في مجلة دورية  عنوان الوثيقة : Chiral recognition of amino acids by use of a fluorescent resorcinarene Chiral recognition of amino acids by use of a fluorescent resorcinarene   الموضوع : كيمياء  لغة الوثيقة : الانجليزية  المستخلص : The spectroscopic properties of a chiral boronic acid based resorcinarene macrocycle employed for chiral analysis were investigated. Specifically, the emission and excitation characteristics of tetraarylboronate resorcinarene macrocycle (TBRM) and its quantum yield were evaluated. The chiral selector TBRM was investigated as a chiral reagent for the enantiomeric discrimination of amino acids using steady-state fluorescence spectroscopy. Chiral recognition of amino acids in the presence of the macrocycle was based on diastereomeric complexes. Results demonstrated that TBRM had better chiral discrimination ability for lysine as compared to the other amino acids. Partial least squares regression modeling (PLS-1) of spectral data for macrocycle-lysine guest-host complexes was used to correlate the changes in the fluorescence emission for a set of calibration samples consisting of TBRM in the presence of varying enantiomeric compositions of lysine. In addition, validation studies were performed using an independently prepared set of samples with different enantiomeric compositions of lysine. The results of multivariate regression modeling indicated good prediction ability of lysine, which was confirmed by a root mean square percent relative error (RMS% RE) of 5.8%.  ردمد : 0003-7028  اسم الدورية : Applied Spectroscopy  المجلد : 62  العدد : 5  سنة النشر : 1429 هـ 2008 م  نوع المقالة : مقالة علمية  تاريخ الاضافة على الموقع : Monday, February 13, 2012  الباحثون اسم الباحث (عربي) اسم الباحث (انجليزي) نوع الباحث المرتبة العلمية البريد الالكتروني Gerald I Richard Richard, Gerald I باحث دكتوراه   هادي محمد مرواني Marwani, Hadi Mohammed باحث دكتوراه hmarwani@kau.edu.sa Shan Jiang Jiang, Shan باحث دكتوراه   Sayo O Fakayode Fakayode, Sayo O باحث     Mark Lowry Lowry, Mark باحث دكتوراه   Robert M Strongin Strongin, Robert M باحث دكتوراه strongin@pdx.edu Isiah M Warner Warner, Isiah M باحث دكتوراه iwarner@lsu.edu الملفات اسم الملف النوع الوصف  32270.pdf pdf Abstract الرجوع إلى صفحة الأبحاث