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42 results for “solvents”
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Research ArticleOpen accessIn the abstractAntidiarrheal Activity of Apus Bamboo (Gigantochloa apus) Leaf Extract and its Bioactive CompoundsNoryawati Mulyono, Bibiana Widiyati Lay, Laora Ocktreya, Sri RahayuMost of every part of bamboo plants had economical value. The wood is used as building and furniture, the shoot is processed as health foods and medicines, the root and culms are used as traditional medicine. The leaf has been believed that it could heal diarrhea in piglets, rabbit, poultry and calves. This research was designed to investigate the inhibition … …Current Research in Microbiology, Vol. 4, Issue 1 · 19 Jan 2013 · 9,594 accessesView PDFCite
Research ArticleOpen accessIn the abstractDielectric Properties of Collagen on Plasma Modified Polyvinylidene FluorideR. M. Dahan, S. I. Ismail, Famiza Latif et al.Problem statement: The attachment of biopolymers such as collagen on inert polymeric template created great challenge due to hydrophobic nature of polymeric material. The modification of PVDF for improved adhesion and introduction of specific functionalities have been widely recognized in various industrial applications. Typical methods for modifying polymer surface such as chemical etching and UV irradiation are not favorable as … …American Journal of Applied Sciences, Vol. 9, Issue 5 · 5 Mar 2012 · 7,988 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effects of Batch Reactor Extraction on Antioxidant Activity from Scurulla atropurpureaSiti Irma Rahmawati, Nobuyuki HayashiProblem statement: The main active compounds of benalu teh’s include alkaloids and flavonoids, therefore antioxidant of it has big potential to develop. In the context of extraction, the traditional (boiling in the water until one-third remain) extraction require a long extraction time and result in low yields of extraction also antioxidant activities. Approach: Batch reactor is extraction at high temperature … …American Journal of Applied Sciences, Vol. 9, Issue 3 · 17 Jan 2012 · 6,788 accessesView PDFCite
Research ArticleOpen accessIn the abstractDetermination and Evaluation of Antioxidative Activity in Red Dragon Fruit (Hylocereus undatus) and Green Kiwi Fruit (Actinidia deliciosa)Normala Halimoon, Mardhiah Hayati Abdul HasanProblem statement: Dragon fruit or pitahaya (Hylocereus undatus), is believed to be a healthy source of vitamins, fiber and antioxidants, especially the red-fleshed varieties which contain lycopene. Approach:Compared to green kiwi fruit (Actinidia deliciosa), which already known contain high antioxidant activity. Results:The antioxidant capacity of Hylocereus undatus (H. undatus) and Actinidia deliciosa (A. deliciosa) in three different solvent extraction; ethanol, … …American Journal of Applied Sciences, Vol. 7, Issue 11 · 8 Nov 2010 · 9,160 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Implications of a Health Promotion Program on the Knowledge and Practice of Automotive Workers Exposed To SolventRumaizah Ruslan, Zailina Hashim, Ismi Arif Ismail et al.Problem statement: An in-house health promotion program aimed at promoting safety and health awareness when handling organic solvents at the workplace was carried out and its effectiveness was evaluated by comparing the Knowledge, Attitude and Practices (KAP) scores at the pre and post-intervention phase. Approach: A total of 104 workers participated in the program and another 176 workers served as … …American Journal of Applied Sciences, Vol. 7, Issue 5 · 31 May 2010 · 8,030 accessesView PDFCite
Research ArticleOpen accessIn the abstractIn vitro Growth and Inhibition Studies of Monosodium Urate Monohydrate Crystals by Different Herbal ExtractsBharat B. Parekh, Sonal R. Vasant, Kashmira P. Tank et al.Problem statement: A large number of people in the world have been suffering from gout for centuries. Gout is the term given to a metabolic condition in which the signs and symptoms results from the deposition of crystals of Monosodium Urate Monohydrate (MSUM) in various connective tissues. Approach: It was quite difficult to grow good quality large MSUM crystals because … …American Journal of Infectious Diseases, Vol. 5, Issue 3 · 30 Sep 2009 · 10,218 accessesView PDFCite
Research ArticleOpen accessIn the abstractExtraction of Oil from Jatropha Seeds-Optimization and KineticsSepidar Sayyar, Zurina Zainal Abidin, Robiah Yunus, Azhari MuhammadProblem statement: Jatropha curcas is a wonder plant with a variety of applications and enormous economic potentials. Oil from the seeds can be used as alternative fuel and for making biodiesel which aims to overcome energy crisis problems. In this study, extraction of Jatropha oil from seeds was optimized using organic solvent based on the amount of the extracted oil. … …American Journal of Applied Sciences, Vol. 6, Issue 7 · 31 Jul 2009 · 13,772 accessesView PDFCite
Research ArticleOpen accessIn the abstractComparative Study of Volatile Compounds from Genus OcimumS. Raseetha Vani, S. F. Cheng, C. H. ChuahThere are distinct varieties of basil types in the genus Ocimum which makes them very special. Genus Ocimum is widespread over Asia, Africa and Central & Southern America. All basils are member of the Lamiaceae family. The colors of the leaves vary from bright green to purple-green and sometimes almost black. Fresh basil leaves have a strong and characteristic aroma, … …American Journal of Applied Sciences, Vol. 6, Issue 3 · 31 Mar 2009 · 12,676 accessesView PDFCite
Research ArticleOpen accessIn the abstractBiocontrol of Botrytis allii Munn the Causal Agent of Neck Rot, the Post Harvest Disease in Onion, by use of a New Iranian Isolate of StreptomycesM. Jorjandi, G.H. Shahidi Bonjar, A. Baghizadeh et al.Problem statement: Soil actinomycetes particularly Streptomyces spp. have showed antagonistic activity against wide range of plant pathogens. In the recent decades they have attracted high interests as biocontrol agents. Onion neck rot or gray mold caused by Botrytis allii have imposed economic post harvest damages to onion bulbs and decreased its storage durability and market value. Approach: To investigate for … …American Journal of Agricultural and Biological Sciences, Vol. 4, Issue 1 · 31 Mar 2009 · 9,942 accessesView PDFCite
Research ArticleOpen accessIn the abstractExtraction of Genomic DNA Using Magnetic Nanoparticles (Fe3O4) as a Solid-Phase SupportZ. M. Saiyed, C. N. RamchandMagnetic separation technology, using magnetic particles, is quick and easy method for sensitive and reliable captures of specific proteins, genetic material and other biomolecules. The current paper describes a universal genomic DNA extraction method optimized in our laboratory using magnetic nanoparticles as a solid phase adsorbent. The yields of the isolated DNA with magnetic method were higher or equivalent to … …American Journal of Infectious Diseases, Vol. 3, Issue 4 · 31 Dec 2007 · 9,831 accessesView PDFCite