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403 results for “high concentration”
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Research ArticleOpen accessAll words, across the recordEvaluation of Aerosol Particle Size at High Polluted Region in the World Using Direct Solar Radiation Measurements: Helwan as a Case RegionU. Ali RahomaProblem statement: Particle counting and sizing of atmospheric aerosols by electro-optical methods are complex and absolute interpretation of measurements is difficult, so, the scattered light varies in a complicated manner with the system of optics as well as with the size and physical characteristics of particles. Approach: The estimation of the air aerosol number concentration variation was carried out in … …American Journal of Environmental Sciences, Vol. 6, Issue 2 · 8 May 2010 · 6,670 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordAssociation of DNA Polymorphism at the Apolipoprotein B-100 Gene Locus with Plasma Lipid Concentration and Coronary Artery Disease among North IndiansVivek Pratap Singh, V. Ramesh, Sonal Somvanshi et al.The aim of this study was to investigate the association between apolipoprotein B gene polymorphisms and coronary artery disease and lipid levels in north Indians. Two hundred patients of angiographically proven atherosclerotic CAD and two hundred age and sex matched control subjects were included in the study. Serum lipids including cholesterol, triglycerides, HDL, LDL, VLDL and ApoB were analyzed. PCR … …American Journal of Biochemistry and Biotechnology, Vol. 2, Issue 4 · 31 Dec 2006 · 7,892 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordThe Role of Oxidative Stress during Pregnancy on Obstetric Pathology Development in High-Yielding Dairy CowsInna Ventsova, Vladimir SafonovThe study aimed to examine the processes of oxidative stress and their intensity depending on the state of the antioxidant system in dairy cows. The study was conducted in 2018-2019 on the territory of the Druzhba breeding factory (Voronezh region, Russia) and involved 154 cows divided into 4 groups. Group 1 consisted of healthy animals (n = 83). Group 2 … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 1 · 19 Jan 2021 · 6,723 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordPreparation of Antimicrobial Collagen Casings with High Mechanical PropertiesZhike Xie, Shuyan Yu, Ming He et al.Tea Polyphenols (TP) has received much attention for their excellent antioxidant and antibacterial activities. Some additives (such as sodium alginate and sodium pyrophosphate) have good hydrophobicity which have influence on the mechanical properties of food. The effect of TP on the antibacterial activity of collagen casing was investigated, the effect of addition of TP, sodium pyrophosphate and sodium alginate on … …American Journal of Biochemistry and Biotechnology, Vol. 16, Issue 3 · 2 Sep 2020 · 6,627 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordCorrelates of Resistance to Gastro-Intestinal Parasites Infection in South African Communal Indigenous Goat PopulationsTakalani Judas Mpofu, Khathutshelo Agree Nephawe, Bohani MtileniThe study was conducted to investigate the correlates of resistance to Gastro-Intestinal Parasites (GIPs) infection in South African communal indigenous goat. A total of 288 goats were randomly sampled for fecal and blood collection. Infection intensity was estimated through determining the fecal egg per gram using a modified McMaster technique. Packed Cell Volume (PCV), Hemoglobin (Hgb) and Mean Corpuscular Hemoglobin … …American Journal of Animal and Veterinary Sciences, Vol. 15, Issue 2 · 1 Jul 2020 · 7,200 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordFabrication of Carboxymethyl Cellulose (CMC) Derived from Themeda gigantea Cellulose with Various Concentrations of Sodium MonochloroacetateDaimon Syukri, Heru Suryanto, Anni Faridah et al.The purpose of this study was to determine the properties of Carboxymethyl Cellulose (CMC) obtained from pimping stems (Themeda gigantea). There has yet to be a report on utilizing Themeda gigantea as a source of CMC raw materials. CMC was produced by varying the amount of Sodium Monochloroacetate (SMCA) as a carboxymethylation material. This study consisted of five SMCA treatments, … …OnLine Journal of Biological Sciences, Vol. 25, Issue 1 · 24 Oct 2024 · 5,147 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordTrace Metal Mercury Levels in Residential Homes in KuwaitL. AL-Awadi, A. R. Khan, R. Al-KandariKuwait is an oil rich state on the northeastern corner of Arabian Peninsula and has faced the unprecedented man made environmental disaster in early 1991 of igniting over 600 oil wells those continually burnt for a period of over six months. The use of crude and heavy fuel oil in the power generating facilities has aggravated the pollution due to … …American Journal of Environmental Sciences, Vol. 4, Issue 1 · 29 Feb 2008 · 6,827 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordDetermination of Diloxanide Furoate and Metronidazole in Binary Mixture Using First Derivative of the Ratio-Spectra and High-Performance Liquid Chromatography-UV MethodsNora H. Al-ShaalanTwo methods are presented for simultaneous determination of diloxanide furoate and metronidazole. The first method depends on first derivative of the ratio-spectra by measurements of the amplitudes at 242.5 and 285.5 nm for diloxanide furoate and 225.5 and 300 nm for metrinidazole. Calibration graphs were established for 2-100 μg mL-1 for diloxanide furoate and 1-50 μg mL-1 for metronidazole. In … …American Journal of Applied Sciences, Vol. 4, Issue 2 · 28 Feb 2007 · 7,713 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordPreparation of Collagen Casings with High Mechanical Properties using Response Surface MethodologyZhike Xie, Ming He, Yuhan Zhai et al.Usages of plastic casing have a number of drawbacks like generation of waste associated with the materials used to package foods and the source of natural casings is limited. So, the interest in the development of biodegradable collagen casing is increasing. For this reason, the present study aimed at developing a new type of collagen casing sprayed with Tea Polyphenols … …American Journal of Biochemistry and Biotechnology, Vol. 17, Issue 1 · 16 Jan 2021 · 7,506 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordHigh Level of Nicotianamine Synthase (NAS3) and Natural Resistance Associated Macrophage Protein (NRAMP4) Gene Transcription Induced by Potassium Nitrate in Trembling Aspen (Populus tremuloides)Karolina M. Czajka, Kabwe NkongoloChanges in gene transcription in response to excess metal concentrations have been reported in many organisms, including yeast, microorganisms and plants. Most investigations on the effects of nickel toxicity in plants use commercial salts whose effects have not been analyzed in detail. The main objective of the present study was to determine the effects of different doses of nickel nitrate … …American Journal of Biochemistry and Biotechnology, Vol. 14, Issue 3 · 15 Jul 2018 · 10,884 accessesView PDFCite