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20 results for “thermophilic”
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Research ArticleOpen accessIn the abstractImproved Compost Production from Fruit and Vegetable Market Waste: A Case Study in Bagua, Amazonas (Peru)Juan Eduardo Suarez Rivadeneira, Freddy A. Manayay, Wilfredo Ruiz Camacho, Juan Francisco Robles RuizInadequate management of organic solid waste in municipal markets represents a critical environmental challenge in tropical developing regions, where high humidity (>80%) and elevated temperatures (>25°C) accelerate decomposition, generating leachate and greenhouse gas emissions. In Peru, over 50% of municipal waste is organic, yet less than 20% is valorised through composting, highlighting a substantial technological gap. This study evaluated an … …OnLine Journal of Biological Sciences, Vol. 26, Issue 3 · 11 Aug 2026 · 1,262 accessesView PDFCite
Research ArticleOpen accessIn the abstractDiscovery of a New Thermostable Chitinase from Streptomyces No. 6Xiaowen Que, Yonghong Bao, Qing Liu et al.Chitinases are a class of hydrolases that hydrolyze the β-1, 4-glycosidic bonds between N-acetyl-D-glucosamine (GlcNAc) in chitin. Among chitinases, thermophilic chitinases and thermostable chitinases have received extensive attention in recent years due to their ability to tolerate higher temperatures and maintain enzyme stability for a longer period of time. However, it has previously been observed that not all chitinases are … …American Journal of Biochemistry and Biotechnology, Vol. 20, Issue 3 · 1 Aug 2024 · 5,115 accessesView PDFCite
Research ArticleOpen accessIn the abstractBiological Activity of Lactic Acid Based Feed Additive and its Physiological Effect on the Animal OrganismNadezhda Nikolaevna Lantseva, Alexander Nikolaevich Shvydkov, Lyudmila Anatolyevna Ryabukha, Veronica Valeryevna EvsyukovaThe data obtained as a result of the study of the enzymatic activity of the lactic acid based feed additive LAFA, based on various bacteria, are consistent with the results of the research presented in the publications on the matter, concerning the fact that probiotic bacteria have enzymatic activity. The conducted studies revealed the leading enzymatic properties of bifidobacteria in … …OnLine Journal of Biological Sciences, Vol. 18, Issue 4 · 4 Oct 2018 · 7,416 accessesView PDFCite
Review ArticleOpen accessIn the abstractA Review: Biodegradation and Applications of Keratin Degrading Microorganisms and Keratinolytic Enzymes, Focusing on Thermophiles and Thermostable Serine ProteasesWirojne Kanoksilapatham, Weeranut IntagunKeratins are hard-degrading fibrous proteins, insoluble in water and organic solvents, often accumulated in nature and major components in feathers, skins, hair, horn, nail, hoof etc., Keratin-degrading microorganisms such as bacteria, archaea, actinomycetes and fungi employ keratinases to attack keratin. Keratinases belonging to subtilisin-like serine proteases were classified based on similarity of amino acid sequences. Keratinolytic thermophilic or hyperthermophilic bacteria … …American Journal of Applied Sciences, Vol. 14, Issue 11 · 10 Nov 2017 · 9,981 accessesView PDFCite
Research ArticleOpen accessIn the abstractHide Dehairing and Laundry Detergent Compatibility Testing of Thermostable and Solvents Tolerant Alkaline Protease from Hot Spring Isolate Bacillus cohniiU3Pravin R. Dudhgara, Bhavsar Sunil, Ghelani AnjanaIn the present study, alkaline protease producing thermophilic Bacillus cohniiU3 strain was isolation from Unnai hot spring, India. The maximum production of protease (344 U/mL) was reported after 72 h of inoculation at 50°C in shake flask culture using the gelatin casein medium. The protease was found to remain active up to 96 h and production was growth dependent. The … …OnLine Journal of Biological Sciences, Vol. 15, Issue 3 · 23 Jul 2015 · 7,335 accessesView PDFCite
Research ArticleOpen accessIn the abstractBIOGAS PROCTION FROM ANAEROBIC CO-DIGESTION OF COW DUNG AND ORGANIC WASTES (NAPIER PAK CHONG I AND FOOD WASTE) IN THAILAND: TEMPERATURE EFFECT ON BIOGAS PRODUCTLertluck Saitawee, KanokornHussaro, Sombat Teekasap, Noppadon CheamsawatBiogas production has been attracting increasing attention as a biofuel of the future because biogas technology not only constitutes a biofuel source, but also can be applied in the various environmental pollutants. Anaerobic digestion of high solid slurries (such as food waste and cow dung) is typically performed in continuously reactor (by force substrate flow) to avoid problems with a … …American Journal of Environmental Sciences, Vol. 10, Issue 2 · 1 Apr 2014 · 8,141 accessesView PDFCite
Research ArticleOpen accessIn the abstractBiodegradation of Phenolic Compounds in Creosote Treated Wood Waste by a Composting Microbial Culture Augmented with the Fungus Thermoascus aurantiacusAbdel E. Ghaly, Bopeng Zhang, Deepika DaveProblem statement: Creosote is used as a wood preservative and water proof agent in railway sleepers, utility poles, buildings foundations and fences and garden furniture. It is a mixture of over 300 hydrocarbons which include 75% polycyclic aromatic hydrocarbons, 2-17% phenolic compounds and 10-18% heterocyclic organic compounds. Exposure to creosote may result in several health problems including damage to kidney, … …American Journal of Biochemistry and Biotechnology, Vol. 7, Issue 2 · 26 Aug 2011 · 9,446 accessesView PDFCite
Research ArticleOpen accessIn the abstractChemical Characteristics of Compost and Humic Acid from Sago Waste (Metroxylon sagu)Auldry Chaddy Petrus, Osumanu Haruna Ahmed, Ab Majid Nik Muhamad et al.Problem statement: Agriculture waste such as Sago Waste (SW) has a potential to cause pollution either on land or in water. In order to reduce this problem, a study was conducted to investigate the effect of three different treatments on the chemical characteristics of compost and humic acid from SW. Approach: The study had three treatments which were: T1: SW … …American Journal of Applied Sciences, Vol. 6, Issue 11 · 30 Nov 2009 · 8,088 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Thermostable α-Amylase Producing Natural Variant of Bacillus spp. Isolated From Soil in IranIraj Rasooli, Shakiba D. A. Astaneh, Hojjat Borna, Kamal A. BarchiniThermophilic processes appear more stable, rapid and less expensive and facilitate reactant activity and product recovery. Amylases have a quarter of the world enzyme market and thermostable a-amylases possess extensive commercial applications. Since little work has been done on strain isolation, growth and enzyme yield optimization, the level of thermophilic enzyme production remains relatively low. Therefore, large scale exploitation of … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 3 · 30 Sep 2008 · 8,902 accessesView PDFCite
Research ArticleOpen accessIn the abstractBehaviour of Main Microbiological Parameters And of Enteric Microorganisms During the Composting of Municipal Solid Wastes and Sewage Sludge in A Semi-Industrial Composting PlantOlfa Fourti, Naceur Jedidi, Abdenaceur HassenThis study was focused on the microbiological aspects of composting and on the behaviour of main prevalent microbial communities (non-pathogenic and selected pathogenic bacteria) during the composting process of municipal solid wastes and sewage sludge in a semi-industrial composting plant. Results showed that the dehydrogenase activity and Biomass C / Biomass N ratio showed a noticeable increase in the two … …American Journal of Environmental Sciences, Vol. 4, Issue 2 · 30 Apr 2008 · 7,306 accessesView PDFCite