Results 131 to 140 of about 41,105,332 (294)

Dechlorination of mixed chlorinated organophosphate esters (V6 and TCEP) and associated reductive dehalogenase gene expression by Dehalococcoides mccartyi

Applied and Environmental Microbiology
Dehalococcoides mccartyi (D. mccartyi) plays a critical role in the dechlorination of halogenated organic pollutants, yet its performance on mixed chlorinated organophosphate esters (Cl-OPEs) remains poorly understood.
Sen Yang, Junhong Wu, Qian Yang, Yirong Deng, Heli Wang, Dan Li, Lihua Yang, Jianzhong Song, Yin Zhong, Ping'an Peng   +9 more
doaj   +1 more source

Desenvolvimento de padrões obtidos a partir do colorífico comercial para quantificação de carotenóides em mexilhões [PDF]

, 2004
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Físicas e Matemáticas. Curso de Química.O cultivo de mexilhões Perna-perna vem aumentando consideravelmente nos últimos anos, assim tem sido foco de vários estudos de metais ...
SCHNEIDER, Vanice Fátima
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Preparation of chitin nanofibers by surface esterification of chitin with maleic anhydride and mechanical treatment [PDF]

Esterification with maleic anhydride significantly improved the mechanical disintegration of chitin into uniform 10-nm nanofibers. Nanofibers with 0.25° of esterification were homogeneously dispersed in basic water due to the carboxylate salt on the ...
アキログ, イフン ファンタフン, 斎本, 博之, 2273, 伊福, 伸介, Aklog, Yihun Fantahun, 26395, 26397, 100000741, 26396, 70402980, 100000469, 4721, 100000923, イフク, シンスケ, 4641, モリモト, ミノル, Izawa, Hironori, Morimoto, Minoru, 森本, 稔, Saimoto, Hiroyuki, イザワ, ヒロノリ, Ifuku, Shinsuke, サイモト, ヒロユキ, Nagae, Tomone, 10273880, 50643235, 20186977, 100000515, 井澤, 浩則, 4637   +29 more
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Imobilização de lipase de Candida antarctica B em quitosana para obtenção de biodiesel por transesterificação do óleo de mamona [PDF]

, 2007
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia QuímicaEste trabalho teve como objetivo principal estudar a imobilização de lipase comercial (Lipozyme CALB L) em esferas de ...
Cruz Júnior, Américo
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PENGGUNAAN GETAH PEPAYA DALAM SINTESIS ESTER XILITOL ASAM LEMAK (EXAL) [The Use of Papaya Exudates for Fatty Acid Xilitol Synthesis]

Jurnal Teknologi dan Industri Pangan, 2003
Fatty acid xylitol-ester (FAXILE) are xylitol esters of fatty acids with one to five DE (degree of esterification) value. FAXILE with DE value of 3 or higher can be used as low calorie fat replacer since they have low digestive property; while the ...
Suhardi
doaj  

Obtenção de ésteres alquílicos (Biodiesel) por via enzimática a partir do óleo de soja [PDF]

, 2002
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-Graduação em Química.A busca por fontes alternativas de energia tem sido tema de interesse em diversos setores da sociedade e da ...
Costa Neto, Pedro Ramos da
core  

The Oxidation Mechanisms of Saturated Fatty Acids: Formation of Hydroperoxide Isomers and Production of 2‐Alkanones and Lactones

Journal of the American Oil Chemists' Society, EarlyView.
ABSTRACT Saturated fatty acids (SFAs) are generally regarded simply as being resistant to oxidation compared with unsaturated fatty acids. However, it has long been reported that SFAs can undergo oxidation when heated at high temperatures, leading to the formation of unique degradation products such as 2‐alkanones and lactones.
Kanji Aoyagi, Shunji Kato, Kiyotaka Nakagawa   +2 more
wiley   +1 more source

Esterification of Carboxylic Acids utilizing Eosin Y as a Photoacid Catalyst

Esters represent a vital functional group in organic chemistry and are prominently featured in valuable molecules. Traditional approaches for ester synthesis from acids typically entail the use of strong acids and toxic activating agents.
Jaya, Tripathi, Harshita , Gupta, Anuj, Sharma   +2 more
core   +1 more source

Biobased Polyurethane Films Based on Andiroba (Carapa guianensis) and Buriti (Mauritia flexuosa) Oil Polyols

Journal of Applied Polymer Science, EarlyView.
Polyurethane films were prepared from andiroba (Carapa guianensis) and buriti (Mauritia flexuosa) oil‐derived polyols, emphasizing their potential as bio‐based materials. UV–Vis analysis indicates the retention of carotenoid‐related chromophoric features within the polymer matrix.
João A. P. da Silva, Amanda L. Ferreira, Felipe F. C. Tavares, Chana M. da Silva, Cesar L. Petzhold, Nilo S. M. Cardozo   +5 more
wiley   +1 more source

Evaluation of the Efficiency of a Biobased Reactive Plasticizer on the Morphology and Properties of Sustainable Flexible Films Based on Poly(Lactic Acid) (PLA) Produced by Blown Film Extrusion

Journal of Applied Polymer Science, EarlyView.
A comparative investigation of two epoxy additives derived from cardanol (NC513 and NC514s) for production of films based on poly (lactic acid) (PLA), acetyl tributyl citrate (ATBC), and poly (butylene adipate‐co‐terephthalate) (PBAT) clarified their distinct roles, with NC513 mainly acting as a plasticizer, reducing viscosity and enhancing ductility ...
Norma Mallegni, Vito Gigante, Patrizia Cinelli, Andrea Lazzeri   +3 more
wiley   +1 more source