نتایج جستجو برای: hptlc densitometry

تعداد نتایج: 4132  

2016
Bhavana Srivastava Vikas C. Sharma Pramila Pant N.K. Pandey A.D. Jadhav

BACKGROUND Over exploitation of many traditional medicinal plants like Myrica esculenta has become a threat and in the near future, many medicinal plants may be unavailable for use of industry. OBJECTIVE Present study outlines the concept of plant part substitution. Stem bark and small branches of M. esculenta are compared on the basis of physicochemical analysis, phytochemical analysis, tota...

2015
K. S. Kesavanarayanan

The bulbs of Allium sativum (ASE) and leaves of Lagerstroemia speciosa (LSE) are traditionally used to treat a variety of health disorders in the southern part of India. DIA-2 is a herbal formulation developed to contain fixed ratio (1:1 w/w) of ASE and LSE. In the present study, the phytochemical analysis of ASE and LSE was carried out following standard protocols. Also, a simple, rapid and re...

2014
C. Suresh S. Senthilkumar K. Vijayakumari

A simple high performance thin layer chromatographic (HPTLC) method has been developed for the simultaneous determination of the pharmacologically important active combines the separation and quantification of the analytes on silica gel 60 GF 254 HPTLC plates with visualization under UV and scanning at 540nm. The method is rapid, simple and precise.

Journal: :Biomedical Instrumentation & Technology 2014

2014
Chinthala Praveena Ciddi Veeresham

Toddalia asiatica Linn. is an important medicinal plant belonging to the family Rutaceae. The plant is well known for its antimalarial activity, which has been attributed to the presence of benzophenanthridine alkaloid nitidine in the roots of plants. A simple, rapid, sensitive, accurate, repeatable and robust HPTLC method has been developed and validated for the quantitative determination of n...

2015
R.P. Bhole S.S. Shinde S.S. Chitlange S.B. Wankhede

A rapid and simple high-performance thin layer chromatography (HPTLC) method with densitometry at 230 nm was developed and validated for simultaneous determination of diphenhydramine hydrochloride (DPH) and naproxen sodium (NPS) from pharmaceutical preparation. The separation was carried out on aluminum plates precoated with silica gel 60 F254 using mobile phase toluene:methanol:glacial acetic ...

Journal: :Journal of lipid research 1989
W G Wood M Cornwell L S Williamson

Previously, it has been shown that phospholipids, cholesterol, and glycolipids could be quantitated using the same high performance thin-layer chromatography (HPTLC) method. Here we examined that method in terms of linearity of standards in the nanogram range, recovery of nonacidic and acidic lipids after Sephadex column chromatography, and quantitation of lipids in mouse synaptic plasma membra...

ژورنال: مجله دندانپزشکی 2002
طلایی پور, احمدرضا, باشی زاده فخار, حوریه , دباغی, آرش ,

Nowadays, bone mass estimation, through imaging methods, is widely used in metabolic diseases diagnosis and treatment. One of these methods is called "optical densitometry" which estimates bone density by measuring the intensity of the transmitted light on different parts of a radiographic image. Digital radiography systems act similarly by determining grey levels of the image. The aim of this ...

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