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2003 2
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Page 1
The screening, characterization, and use of omega-laurolactam hydrolase: a new enzymatic synthesis of 12-aminolauric acid.
Asano Y, Fukuta Y, Yoshida Y, Komeda H. Asano Y, et al. Biosci Biotechnol Biochem. 2008 Aug;72(8):2141-50. doi: 10.1271/bbb.80210. Epub 2008 Aug 7. Biosci Biotechnol Biochem. 2008. PMID: 18685217 Free article.
Several omega-laurolactam degrading microorganisms were isolated from soil samples. ...Enzymatic synthesis of 12-aminolauric acid was performed using partially purified omega-laurolactam hydrolase from Rhodococcus sp. U224....
Several omega-laurolactam degrading microorganisms were isolated from soil samples. ...Enzymatic synthesis of 12-aminolauric acid was …
High yield synthesis of 12-aminolauric acid by "enzymatic transcrystallization" of omega-laurolactam using omega-laurolactam hydrolase from Acidovorax sp. T31.
Fukuta Y, Komeda H, Yoshida Y, Asano Y. Fukuta Y, et al. Biosci Biotechnol Biochem. 2009 May;73(5):980-6. doi: 10.1271/bbb.80551. Epub 2009 May 7. Biosci Biotechnol Biochem. 2009. PMID: 19420719 Free article.
The genes encoding omega-laurolactam hydrolases from Cupriavidus sp. T7, Acidovorax sp. T31, Cupriavidus sp. ...Cell-free extract of the recombinant strain was used for the synthesis of 12-aminolauric acid from omega-laurolactam by "enzymatic transcrystallization," …
The genes encoding omega-laurolactam hydrolases from Cupriavidus sp. T7, Acidovorax sp. T31, Cupriavidus sp. ...Cell-free extract of …
Non-target screening for the identification of migrating compounds from reusable plastic bottles into drinking water.
Tisler S, Christensen JH. Tisler S, et al. J Hazard Mater. 2022 May 5;429:128331. doi: 10.1016/j.jhazmat.2022.128331. Epub 2022 Jan 22. J Hazard Mater. 2022. PMID: 35091188 Free article.
Furthermore, diethyltoluamide (DEET) was detected, which may have been formed from the plasticizer laurolactam. Typically, the dishwashing process enhanced the leaching of plastic related compounds, and even after additional water flushing, the average peak intensity of th …
Furthermore, diethyltoluamide (DEET) was detected, which may have been formed from the plasticizer laurolactam. Typically, the dishwa …
Biobased chiral semi-crystalline or amorphous high-performance polyamides and their scalable stereoselective synthesis.
Stockmann PN, Van Opdenbosch D, Poethig A, Pastoetter DL, Hoehenberger M, Lessig S, Raab J, Woelbing M, Falcke C, Winnacker M, Zollfrank C, Strittmatter H, Sieber V. Stockmann PN, et al. Nat Commun. 2020 Jan 24;11(1):509. doi: 10.1038/s41467-020-14361-6. Nat Commun. 2020. PMID: 31980642 Free PMC article.
The lactams are selectively prepared in two diastereomeric configurations, leading to semi-crystalline or amorphous, transparent polymers that can compete with the thermal properties of commercial high-performance polyamides. Copolyamides with caprolactam and laurolactam e …
The lactams are selectively prepared in two diastereomeric configurations, leading to semi-crystalline or amorphous, transparent polymers th …
Enhanced Mechanical Property of Polyamide-6/Graphite Sheet Composites with Segregated 3D Network Binary Structure for High Thermal Conductivity.
Gao Y, Li Y, Kong X, Ma M. Gao Y, et al. Polymers (Basel). 2023 Feb 19;15(4):1041. doi: 10.3390/polym15041041. Polymers (Basel). 2023. PMID: 36850323 Free PMC article.
In this paper, polyamide-6 and polyamide-612 microspheres were synthesized via the in situ anionic ring opening of caprolactam and laurolactam. Segregated graphite sheets/polyamide-6(GS/PA6) and polyamide-612(PA612) composites with good mechanical properties were realized …
In this paper, polyamide-6 and polyamide-612 microspheres were synthesized via the in situ anionic ring opening of caprolactam and laurol …
Beckmann rearrangement of ketoximes to lactams by triphosphazene catalyst.
Hashimoto M, Obora Y, Sakaguchi S, Ishii Y. Hashimoto M, et al. J Org Chem. 2008 Apr 4;73(7):2894-7. doi: 10.1021/jo702277g. Epub 2008 Mar 5. J Org Chem. 2008. PMID: 18318542
Triphosphazene, 1,3,5-triazo-2,4,6-triphosphorine-2,2,4,4,6,6-chloride (TAPC), was found to be an efficient catalyst for the Beckmann rearrangement of cyclohexanone oxime and cyclododecanone oxime to epsilon-caprolactam and laurolactam, which are raw materials of nylon-6 a …
Triphosphazene, 1,3,5-triazo-2,4,6-triphosphorine-2,2,4,4,6,6-chloride (TAPC), was found to be an efficient catalyst for the Beckmann rearra …
Alternative fatty food simulants and diffusion kinetics of nylon 12 food packaging.
Stoffers NH, Dekker M, Linssen JP, Störmer A, Franz R. Stoffers NH, et al. Food Addit Contam. 2003 Oct;20(10):949-59. doi: 10.1080/02652030310001603800. Food Addit Contam. 2003. PMID: 14594679
The migration of laurolactam and cyclic di- and trimer of nylon 12 was assessed using three different films and five food simulants (olive oil, isooctane, 95% ethanol, 50% ethanol, water). ...Additionally, diffusion kinetics of laurolactam were investigated by migra …
The migration of laurolactam and cyclic di- and trimer of nylon 12 was assessed using three different films and five food simulants ( …
Development and validation of analytical methods for monomeric and oligomeric migrants from nylon 12 packaging materials.
Stoffers NH, Brandl F, Linssen JP, Franz R. Stoffers NH, et al. Food Addit Contam. 2003 Apr;20(4):410-6. doi: 10.1080/0265203031000087959. Food Addit Contam. 2003. PMID: 12775485
Analytical methods for the determination of laurolactam--the monomer of nylon 12--as well as the cyclic dimer and trimer were established. High performance liquid chromatography using ultraviolet (HPLC-UV) and mass spectrometric detection (HPLC-MS) were both found suitable …
Analytical methods for the determination of laurolactam--the monomer of nylon 12--as well as the cyclic dimer and trimer were establi …
Spectroscopic characterization of the oligomeric surface structures on polyamide materials formed during accelerated aging.
Chernev BS, Eder GC. Chernev BS, et al. Appl Spectrosc. 2011 Oct;65(10):1133-44. doi: 10.1366/11-06334. Appl Spectrosc. 2011. PMID: 21986073
These surface species were supposed to be cyclic oligomers (dimer and trimer) of the PA12 monomer laurolactam, which are usually present in polyamide materials and tend to migrate to the surface when the material is subjected to accelerated aging. The evidence for the chem …
These surface species were supposed to be cyclic oligomers (dimer and trimer) of the PA12 monomer laurolactam, which are usually pres …
Oxidation-proof microemulsions: Microstructure and reactivity in the presence of dioxiranes.
Annese C, D'Accolti L, Fusco C, Mele G, Giorgio G, Colafemmina G, Murgia S, Palazzo G. Annese C, et al. J Colloid Interface Sci. 2013 Oct 15;408:138-44. doi: 10.1016/j.jcis.2013.07.034. Epub 2013 Jul 31. J Colloid Interface Sci. 2013. PMID: 23954422
Yield and selectivity of the oxidation of beta-methylstyrene by dimethyldioxirane (DDO) generate "in situ" and of laurolactam by isolated methyl(trifluorometyl)dioxirane (TFDO) were studied. ...Apolar substrates, confined within the micelles, are protected from uncontrolle …
Yield and selectivity of the oxidation of beta-methylstyrene by dimethyldioxirane (DDO) generate "in situ" and of laurolactam by isol …
12 results