The banana passion fruit (Passiflora tripartita Breiter, Passifloraceae) known as "tumbo" is very appreciated in tropical and subtropical countries of South America. Methanolic extracts from peel and the fruit juice of P. tripartita growing in Chile were analyzed for antioxidant capacity as well as for flavonoid and phenolic content. A chromatographic method was developed for the rapid identifi...

We present a statistical framework for classifying cells according to the set of peptide masses obtained by mass spectrometric analysis of digestions of whole cell protein extracts. The digest is separated by high performance liquid chromatography (HPLC) coupled directly to a mass spectrometer either by an electrospray interface or by collection to a matrix-assisted laser desorption/ionization ...

Fingerprint biometric is one of the most successful biometrics applied in both forensic law enforcement and security applications. Recent developments in fingerprint acquisition technology have resulted in touchless live scan devices that generate 3D representation of fingerprints, and thus can overcome the deformation and smearing problems caused by conventional contact-based acquisition techn...

OBJECTIVE The purpose of this paper is to comprehensively evaluate the quality of Chishao. METHODS In the experiment of this paper, the fingerprint spectrums of Chishao in all locations are established by RP-HPLC and the model of principle component analysis with the RP-HPLC peak areas is established. RESULTS The quality of Chishao in the northern part of China or that made of Paeonia lacti...

Due to the scarcity of resources of Ziziphi spinosae semen (ZSS), many inferior goods and even adulterants are generally found in medicine markets. To strengthen the quality control, HPLC fingerprint common pattern established in this paper showed three main bioactive compounds in one chromatogram simultaneously. Principal component analysis based on DAD signals could discriminate adulterants a...

This study was carried out to assess the antibacterial, cytotoxic and antioxidant activities of extracts of Morus nigra L. HPLC was used to determine the fingerprint chromatogram of the crude ethanolic extract (Mn-EtOH). The antibacterial effect was assessed through the method of microdilution. The cytotoxicity was tested against human tumour cell lines using the 3-(4,5-dimethyl-2-thiazolyl)-2,...

The aim of the present study was to evaluate the effect of Amburana cearensis extract during caprine ovarian tissue transportation on the survival of preantral follicles in vitro. HPLC was used to determine the fingerprint chromatogram of the ethanolic extract. Five goat ovarian pairs were divided into fragments. One fragment was fixed for histology and TUNEL analysis (fresh control). The other...

Cecropia pachystachya is a species traditionally used in Brazil to treat inflammation. This work aims to evaluate the topical anti-inflammatory and antioxidant activities of the methanolic extract of C. pachystachya (CPM) and to perform its chemical fingerprint by HPLC-DAD. The topical anti-inflammatory activity was evaluated using the mouse models of acute ear inflammation induced by croton oi...

In this paper we characterize the metabolic fingerprint and first reported antiinflammatory activity of Hypericum gentianoides. H. gentianoides has a history of medical use by Native Americans, but it has been studied very little for biological activity. High-performance liquid chromatography (HPLC) and liquid chromatographyelectrospray ionization-mass spectrometry (LC-ESI-MS) analyses of a met...

Extracting minutiae from fingerprint images is one of the most important steps in automatic fingerprint identification system. Because minutiae matching are certainly the most well-known and widely used method for fingerprint matching, minutiae are local discontinuities in the fingerprint pattern. In this paper a fingerprint matching algorithm is proposed using some specific feature of the minu...