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Items: 1 to 20 of 116

1.

Combining the isoabsorptive point in the ratio spectrum and the smart ratio difference methods for a single step determination of compounds with overlapped spectra.

Elzanfaly ES, Saad AS, Abd-Elaleem AE.

Spectrochim Acta A Mol Biomol Spectrosc. 2012 Sep;95:188-92. doi: 10.1016/j.saa.2012.04.096. Epub 2012 May 7.

PMID:
22634408
3.

Quantitative determination of zopiclone and its impurity by four different spectrophotometric methods.

Abdelrahman MM, Naguib IA, El Ghobashy MR, Ali NA.

Spectrochim Acta A Mol Biomol Spectrosc. 2015 Feb 25;137:617-24. doi: 10.1016/j.saa.2014.08.071. Epub 2014 Sep 4.

PMID:
25244295
4.

Novel spectrophotometric methods for simultaneous determination of timolol and dorzolamide in their binary mixture.

Lotfy HM, Hegazy MA, Rezk MR, Omran YR.

Spectrochim Acta A Mol Biomol Spectrosc. 2014 May 21;126:197-207. doi: 10.1016/j.saa.2014.02.005. Epub 2014 Feb 15.

PMID:
24607469
5.

Application and validation of superior spectrophotometric methods for simultaneous determination of ternary mixture used for hypertension management.

Mohamed HM, Lamie NT.

Spectrochim Acta A Mol Biomol Spectrosc. 2016 Feb 15;155:103-10. doi: 10.1016/j.saa.2015.11.001. Epub 2015 Nov 3.

PMID:
26590480
6.

A comparative study of different aspects of manipulating ratio spectra applied for ternary mixtures: derivative spectrophotometry versus wavelet transform.

Salem H, Lotfy HM, Hassan NY, El-Zeiny MB, Saleh SS.

Spectrochim Acta A Mol Biomol Spectrosc. 2015 Jan 25;135:1002-10. doi: 10.1016/j.saa.2014.07.078. Epub 2014 Aug 8.

PMID:
25171050
7.

A comparative study of progressive versus successive spectrophotometric resolution techniques applied for pharmaceutical ternary mixtures.

Saleh SS, Lotfy HM, Hassan NY, Salem H.

Spectrochim Acta A Mol Biomol Spectrosc. 2014 Nov 11;132:239-48. doi: 10.1016/j.saa.2014.05.004. Epub 2014 May 13.

PMID:
24873889
8.

Spectrophotometric methods manipulating ratio spectra for simultaneous determination of binary mixtures with sever overlapping spectra: a comparative study.

Moustafa H, Fayez Y.

Spectrochim Acta A Mol Biomol Spectrosc. 2014 Dec 10;133:759-66. doi: 10.1016/j.saa.2014.06.059. Epub 2014 Jun 17.

PMID:
24998682
9.

Mean centering of double divisor ratio spectra, a novel spectrophotometric method for analysis of ternary mixtures.

Hassan SA, Elzanfaly ES, Salem MY, El-Zeany BA.

Spectrochim Acta A Mol Biomol Spectrosc. 2016 Jan 15;153:132-42. doi: 10.1016/j.saa.2015.07.109. Epub 2015 Aug 10.

PMID:
26298680
11.

A comparative study of novel spectrophotometric resolution techniques applied for pharmaceutical mixtures with partially or severely overlapped spectra.

Lotfy HM, Tawakkol SM, Fahmy NM, Shehata MA.

Spectrochim Acta A Mol Biomol Spectrosc. 2015 Feb 5;136 Pt B:937-52. doi: 10.1016/j.saa.2014.09.117. Epub 2014 Oct 12.

PMID:
25459620
12.

Smart manipulation of ratio spectra for resolving a pharmaceutical mixture of Methocarbamol and Paracetamol.

Essam HM, Abd-El Rahman MK.

Spectrochim Acta A Mol Biomol Spectrosc. 2015 Apr 15;141:1-9. doi: 10.1016/j.saa.2015.01.017. Epub 2015 Jan 21.

PMID:
25659736
13.

Spectrophotometric methods for simultaneous determination of betamethasone valerate and fusidic acid in their binary mixture.

Lotfy HM, Salem H, Abdelkawy M, Samir A.

Spectrochim Acta A Mol Biomol Spectrosc. 2015 Apr 5;140:294-304. doi: 10.1016/j.saa.2014.12.059. Epub 2015 Jan 9.

PMID:
25615682
14.

Spectrophotometric methods for simultaneous determination of ternary mixture of amlodipine besylate, olmesartan medoxomil and hydrochlorothiazide.

Merey HA, Ramadan NK, Diab SS, Moustafa AA.

Spectrochim Acta A Mol Biomol Spectrosc. 2014 May 5;125:138-46. doi: 10.1016/j.saa.2014.01.095. Epub 2014 Jan 30.

PMID:
24534425
15.

Simultaneous determination of retinoic acid and hydroquinone in skin ointment using spectrophotometric technique (ratio difference method).

Elzanfaly ES, Saad AS, Abd-Elaleem AE.

Saudi Pharm J. 2012 Jul;20(3):249-53. doi: 10.1016/j.jsps.2012.03.004. Epub 2012 Mar 31.

16.

A comparative study of the novel spectrophotometric methods versus conventional ones for the simultaneous determination of Esomeprazole magnesium trihydrate and Naproxen in their binary mixture.

Lotfy HM, Amer SM, Zaazaa HE, Mostafa NS.

Spectrochim Acta A Mol Biomol Spectrosc. 2015;151:538-46. doi: 10.1016/j.saa.2015.07.007. Epub 2015 Jul 3.

PMID:
26162342
18.
19.

A comparative study of ICH validated novel spectrophotometric techniques for resolving completely overlapping spectra of quaternary mixtures.

Ali NW, Abdelwahab NS, Abdelkawy M, Emam AA.

Spectrochim Acta A Mol Biomol Spectrosc. 2016 Feb 5;154:114-122. doi: 10.1016/j.saa.2015.10.037. Epub 2015 Oct 24.

PMID:
26519919
20.

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