421 articles for “positive effect”

Research ArticleOpen accessIn the abstractComparative Antioxidant Effects of Essential Oil Blends and Individual Oils Using the DPPH Radical-Scavenging AssaySunghun Jang, Jae Kyung KimOxidative stress is recognized as a major contributor to conditions such as cancer, aging, and inflammation. Consequently, there is a growing interest in the use of natural antioxidants, particularly essential oils, owing to their safety benefits and potent antioxidant properties. The aim of this study was to evaluate the antioxidant effects of four essential oil blends (Refresh, Zest, Revitalizing, and … …American Journal of Biochemistry and Biotechnology, Vol. 21, Issue 3 · 5 Jan 2026 · 2,659 accessesView PDF Cite

Research ArticleOpen accessIn the abstractAnalysis of the Utility of MPT64, Drug Susceptibility Testing and Tuberculosis/Nontuberculous Mycobacteria Reverse Transcription Polymerase Chain Reaction for Tuberculosis Diagnosis and Efficiency Compared with Traditional CultureHo Keun Choi, Ga Yeon Kim, Tae Soung Kim, Jae Kyung KimDefining the molecular mechanisms underlying the dormant state of Mycobacterium tuberculosis (MTB) is essential for developing more effective treatments for tuberculosis (TB) infection. We investigated the positivity and resistance rates of TB tests on 6,174 samples referred to a single hospital. Of these, 342 cases (5.5%) were confirmed as positive by acid-fast bacilli staining, 243 cases (71.1%) were detected as … …American Journal of Biochemistry and Biotechnology, Vol. 20, Issue 4 · 5 Dec 2024 · 4,211 accessesView PDF Cite

Research ArticleOpen accessIn the abstractPrevalence and Clinical Correlates of COVID-19 Outbreak Among Health Care Workers in a Tertiary Level Hospital in DelhiAnkit Khurana, GP Kaushal, Rishi Gupta et al.COVID-19 has been shown to spread rapidly among Healthcare Workers (HCWs) and there is an urgent need to find and implement various mitigation strategies for these individuals. In this study, we summarize the epidemiological characteristics of the COVID-19 outbreak among HCWs in a tertiary care hospital and compare various parameters and preventive measures taken by infected and uninfected subjects. A … …American Journal of Infectious Diseases, Vol. 17, Issue 3 · 7 Jun 2021 · 7,884 accessesView PDF Cite

Research ArticleOpen accessIn the abstractBlack Tea Extract on the Preservation of Cantonese SausageHuan Cheng, Ying Liu, Dan Wu et al.Black Tea Extract (BTE) is a natural pigment with strong antioxidant activity. Its effect on the preservation of Cantonese sausage was investigated based on polyphenol components analysis in this study. The content of tea polyphenols in BTE was 26.61% by using spectrophotometry, the tea catechin in BTE was analyzed by HPLC, which included gallic acid (0.27%), caffeine (5.75%) and 8 … …American Journal of Biochemistry and Biotechnology, Vol. 16, Issue 3 · 3 Sep 2020 · 6,731 accessesView PDF Cite

Research ArticleOpen accessIn the abstractExtended-Spectrum β-Lactamases Producing Escherichia coli Strains Monitored Over 4 Years in The University Hospital in Košice, SlovakiaViera Lovayová, Lucia Vargová, Mária Nagyová et al.The beta-lactamases with extended spectrum of activity (ESBL) are medically one of the most important group of enzymes. The presented study provides identification and determination of the spectrum of resistance against different and clinically used antimicrobial drugs in the clinical isolates of Escherichia coli. These isolates had their origin in different departments of the University Hospital L. Pasteur in Košice. … …Current Research in Microbiology, Vol. 7, Issue 1 · 16 Jun 2016 · 14,544 accessesView PDF Cite

EditorialOpen accessIn the abstractProtecting crop species from biotic and abiotic constraints in the era of Global Change: are we ready for this challenge?Marco Landi, Giovanni BenelliReliable and affordable supply of food is of crucial importance to the progress and stability of human societies. During the last century, we have assisted to an extraordinary increase of crop yields, especially for the most widespread and consumed crop species, such as rice, wheat, corn and soybean. The Broadbalk experiment, one of the oldest continuous agronomic experiments in the … …American Journal of Agricultural and Biological Sciences, Vol. 11, Issue 2 · 4 Jun 2016 · 8,402 accessesView PDF Cite

Research ArticleOpen accessIn the abstractThe Effect of Information Systems Criterion on the EFQM Model in Institutions of Higher EducationRosli Ismail, Masrah Azrifah Azmi Murad, Marzanah A. Jabar, Rozi Nor Haizan NorThe purpose of this paper is to empirically test the effect of information systems criterion on the European Foundation for Quality Management (EFQM) excellence model in Higher Education Institutions (HEIs). The paper identifies five (5) causal hypotheses from literatures that are related to the information systems criterion. The data were collected from 118 Malaysian higher education institutions through the questionnaire … …American Journal of Applied Sciences, Vol. 12, Issue 12 · 4 Dec 2015 · 7,116 accessesView PDF Cite

Research ArticleOpen accessIn the abstractAn Analysis of the Influence of Ownership Structure, Investment, Liquidity and Risk to Firm Value: Evidence from IndonesiaMaryam Mangantar, Muhammad AliThe aims of this study is to determine the influence of ownership structure, investment, stock liquidity and risk stock to operating performance, Good Corporate Governance (GCG) and firm value on the manufacturing sector listed in Indonesian Stock Exchange (IDX). The research results are; the ownership structure have a positive significant effect to operating performance and the risk stock have a … …American Journal of Economics and Business Administration, Vol. 7, Issue 4 · 12 Nov 2015 · 8,010 accessesView PDF Cite

EditorialOpen accessIn the abstractThe Food Additives Nitrite and Nitrate and Microbiological Safety of Food ProductsStefanie Müller-Herbst, Anna Mühlig, Jan Kabisch et al.In Germany, raw sausages are typically produced according to a technology referred to as hurdle technology (Leistner, 2000). The combination of several stressful conditions should successfully inhibit growth and survival of pathogenic bacteria, which can be regularly found in raw pork or beef material (Mataragas et al., 2008; Rhoades et al., 2009). Hurdles applied during raw sausage fermentation are the … …Current Research in Microbiology, Vol. 6, Issue 1 · 29 Jun 2015 · 10,382 accessesView PDF Cite

Research ArticleOpen accessIn the abstractMacroeconomic Determinants of Non-Performing Loans: An Empirical Study of Some Arab CountriesMahmoud Abdelaziz Touny, Mohamed Abdelhameed ShehabThe issue of non-performing loans is one of the factors that reflect the soundness of the banking sector. The main objective of this study is to identify macroeconomic determinants of non-performing loans in some Arab countries through the period 2000-2012 using the dynamic panel data approach. The outcomes of this paper suggest that inflation rate has a negative impact on … …American Journal of Economics and Business Administration, Vol. 7, Issue 1 · 9 May 2015 · 7,935 accessesView PDF Cite