http://journalajocs.com/index.php/AJOCS/issue/feed Asian Journal of Chemical Sciences 2020-05-30T00:50:01+00:00 Asian Journal of Chemical Sciences contact@journalajocs.com Open Journal Systems <p style="text-align: justify;"><strong>Asian Journal of Chemical Sciences (ISSN: 2456-7795)</strong> aims to publish high quality papers (<a href="/index.php/AJOCS/general-guideline-for-authors">Click here for Types of paper</a>) in all aspects of Chemical Sciences. The journal also encourages the submission of useful reports of negative results. This is a quality controlled, OPEN peer reviewed, open access INTERNATIONAL journal.&nbsp;</p> http://journalajocs.com/index.php/AJOCS/article/view/19027 Spectroscopic Analysis of Flavonoids Isolated from Pongamia pinnata L. Seed Oil 2020-05-30T00:50:01+00:00 Muhammad S. A. Abbasi Muhammad Aslam Tahir aslamtahir30@gmail.com <p>Current work comprises of chemical investigation of flavonoids present in <em>Pongamia pinnata </em>(L) seed oil. Purification of flavonoids was established by using UV, FTIR, MS and NMR spectroscopic analysis. Three isolated flavonoids were identified as, namely, Kanjone, Pongapin and Lanceolatin-B. This work led to the development of easy isolation methods with improved yields and the future prospects of commercial scale processing of these flavonoids directly from plant source.</p> 2020-05-04T00:00:00+00:00 ##submission.copyrightStatement## http://journalajocs.com/index.php/AJOCS/article/view/19026 FTIR Spectroscopic Study of Aloe vera barbadensis Mill Buds 2020-05-30T00:50:01+00:00 Muhammad S. A. Abbasi Muhammad Aslam Tahir aslamtahir30@gmail.com Sidra Meer <p>The objective of this research is to investigate number and types of bioactive compounds present in Aloe Vera buds grown in North East Punjab region of Pakistan by FTIR which is simple, nondestructive, cost effective and user friendly. Aloe vera was cultivated under normal atmospheric conditions. After two years, buds (early stage of flowers) were grown on twigs. The buds were plucked and blended with distilled water in National Juicer machine to have a concentrated blend. The blend was filtered to get clear solution, mixed with ethyl acetate and then solvent extracted. The organic part was isolated and dried at water bath at 60°C. Dried sample was analyzed using FTIR spectroscopic analysis. All activities were performed consecutively to avoid photochemical changes. The characteristic FTIR spectral lines have shown different characteristic peaks that correspond to different functional groups indicating presence of bioactive compounds like substituted cyclic alkanes, alkenes, alcohols, phenols, and aromatics etc. have been investigated.</p> 2020-04-27T00:00:00+00:00 ##submission.copyrightStatement## http://journalajocs.com/index.php/AJOCS/article/view/19028 Investigation of the Interaction of Drug Tetradecyltrimethylammonium Bromide with Cetyltrimethylammonium Bromide at Different Temperature 2020-05-30T00:50:00+00:00 Md. Matiar Rahman matiar@bsmrstu.edu.bd Salina Rahman Nasiruddin . <p>Antibiotic interaction between tetradecyltrimethylammonium bromide (TTAB) with cetyltrimethylammonium bromide (CTAB) has been studied in solution and within the attendance of salts at several temperatures (298.15, 303.15, 308.15, 313.15 and 318.15 K). One critical micelle concentration (CMC) was noted for pure CTAB and their mixture with the drug tetradecyltrimethylammonium bromide (TTAB). The CMC values for mixed systems (TTAB + CTAB) within the presence of salt exhibited lower in magnitude as compared to their absence. This acknowledged the first micellization of the mixture of TTAB and CTAB. All the G<sup>0</sup>m values were found to be negative for all systems. The H<sup>0</sup>m and S<sup>0</sup>m values disclosed that hydrophobic and electrostatic interactions were increased within the presence of salts compared to their absence at lower and better temperatures respectively. The opposite thermodynamics parameters like transfer energy (G<sup>0</sup>m.tr.), transfer enthalpy (H<sup>0</sup>m.tr.) also as transfer entropy (S<sup>0</sup>m.tr.) were also determined and discussed intimately. The inherent enthalpy gain (H<sup>0</sup>m) and therefore the compensation temperature (Tc) were also estimated and deliberated. Molecular dynamics simulation exposes that aqueous also as salt environment have an impact on the hydrophobic interaction between tetradecyltrimethylammonium bromide (TTAB) with cetyltrimethylammonium bromide (CTAB).</p> 2020-05-11T00:00:00+00:00 ##submission.copyrightStatement##