preparative process
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2017 ◽  
Vol 2017 ◽  
pp. 1-6
Author(s):  
Hassan Refat H. Ali ◽  
Ramadan Ali ◽  
Hany A. Batakoushy ◽  
Sayed M. Derayea

The structural information of the pharmaceuticals and insights on the modes of molecular interactions are very important aspects in drug development. In this work, two cephalosporins and antimicrobial combinations, cefepime-metronidazole and cefoperazone-sulbactam, were studied in the solid state using FTIR spectroscopy for the first time. Quantitation of the studied drugs and their binary mixtures was performed by integrating the peak areas of the characteristic well-resolved bands:υ(C=O) band at 1773 cm−1for cefepime and ring torsion band at 826 cm−1for metronidazole andυ(C=O) band at 1715 cm−1for cefoperazone and ring torsion band at 1124 cm−1for sulbactam. The results of this work were compared with the relevant spectrophotometric reported methods. This study provides data that can be used for the preparative process monitoring of the studied drugs in various dosage forms.


The Analyst ◽  
2011 ◽  
Vol 136 (15) ◽  
pp. 3149 ◽  
Author(s):  
Daoping Cui ◽  
Yueqing Li ◽  
Mingming Lian ◽  
Feng Yang ◽  
Qingwei Meng

2009 ◽  
Vol 13 (6) ◽  
pp. 1206-1208 ◽  
Author(s):  
Yongjun Mao ◽  
Guanghui Tian ◽  
Zheng Liu ◽  
Jingkang Shen ◽  
Jingshan Shen

2009 ◽  
Vol 26 (8) ◽  
pp. 1918-1930 ◽  
Author(s):  
Alessandro Nasti ◽  
Noha M. Zaki ◽  
Piero de Leonardis ◽  
Suwipa Ungphaiboon ◽  
Proramate Sansongsak ◽  
...  

2004 ◽  
Vol 1036 (1) ◽  
pp. 7-13 ◽  
Author(s):  
Manuel Ventura ◽  
William Farrell ◽  
Christine Aurigemma ◽  
Kathleen Tivel ◽  
Michael Greig ◽  
...  

1991 ◽  
Vol 24 (19) ◽  
pp. 5269-5272 ◽  
Author(s):  
C. Berti ◽  
V. Bonora ◽  
F. Pilati ◽  
M. Fiorini

1991 ◽  
Vol 13 (2) ◽  
pp. 57-58
Author(s):  
T. D. Geary

Errors made during the sample preparative process contribute significantly to the total analytical error of immunoassays. Reduction in the magnitude of these errors have been made by improvements in the manualfluid handling systems and mechanization of the individual steps in the process. The mechanization has been stimulated by developments in both computing hardware and software. A laboratory's workflow and workload will indicate the degree of mechanization required.


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