Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Alina Negoi"'
Publikováno v:
Catalysis Today. 306:199-206
Green synthesis of verbenol was achieved via allylic oxidation of α-pinene with a peroxide agent in the presence of a peroxidase enzyme in a biphasic aqueous-organic system. The aqueous part contained the enzyme together with the oxidation agent, wh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1c86cd3c45877100e13e6f8f32542d9
https://doi.org/10.1016/j.cattod.2017.02.052
https://doi.org/10.1016/j.cattod.2017.02.052
Publikováno v:
Catalysis Today. 279:71-76
The effect of the addition of a surfactant during the bio-conversion of a renewable glycerol into glycerol carbonate (GlyC) has been investigated. Lipase enzyme immobilized on magnetic particles assisted the GlyC synthesis via the carbonylation of gl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db041e105288243d5562ae4565e59ad5
https://doi.org/10.1016/j.cattod.2016.02.038
https://doi.org/10.1016/j.cattod.2016.02.038
Publikováno v:
Molecular Catalysis
Molecular Catalysis, Elsevier, 2019, 474, pp.110420. ⟨10.1016/j.mcat.2019.110420⟩
Molecular Catalysis, Elsevier, 2019, 474, pp.110420. ⟨10.1016/j.mcat.2019.110420⟩
International audience; A chiral gold (I) (2S,4S)-1-tert-butoxycarbonyl-4-diphenylphosphino-2-(diphenylphosphino- methyl) pyrrolidine (BPPM) complex has been prepared using [Au(SMe2)Cl] as precursor. The heterogenization of the Au-BPPM catalyst onto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::08324b267887a9e5a46d3dfc19bbc21d
https://hal.archives-ouvertes.fr/hal-02334995
https://hal.archives-ouvertes.fr/hal-02334995
Autor:
Madalina Tudorache, Madalin Enache, Andreea Gheorghe, Vasile I. Parvulescu, Alina Negoi, Gabriel-Mihai Maria
Publikováno v:
Carbohydrate Polymers. 152:726-733
Bifunctional catalysts designed as carbohydrate biopolymers entrapping lipase have been investigated for the biotransformation of a natural compound (α-pinene) to oxy-derivatives. Lipases assisted the epoxidation of α-pinene using H2O2 as oxidation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::438f622eed8eb5eeb46ba8f631b48274
https://doi.org/10.1016/j.carbpol.2016.07.056
https://doi.org/10.1016/j.carbpol.2016.07.056
Autor:
Alina Negoi, Madalina Tudorache, Iunia Podolean, Natalia Candu, Simona M. Coman, Vasile I. Parvulescu
Publikováno v:
Topics in Catalysis. 57:1463-1469
MNP-RuIII [magnetic nanoparticles (MNP)] catalyst was proven to catalyze the hydrolysis of microcrystalline cellulose leading selectively to glucose (85 %). In the presence of hydrogen, MNP-RuIII also catalyzed the levulinic acid conversion into γ-v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab019f55179ff36b9389f8f2ac25a211
https://doi.org/10.1007/s11244-014-0319-z
https://doi.org/10.1007/s11244-014-0319-z
Publikováno v:
Catalysis Today. 223:122-128
Supported Ir, Pd, Rh and Ru catalysts were examined for the conversion of glucose and cellulose in water in the presence of hydrogen. The catalysts were prepared by incipient wetness impregnation of a BEA zeolite (SiO2/Al2O3 = 21.6, Ssp = 739 m2/g) w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::535b102f5dba447f93b447b3c0b6a95e
https://doi.org/10.1016/j.cattod.2013.07.007
https://doi.org/10.1016/j.cattod.2013.07.007
Publikováno v:
Applied Catalysis B: Environmental. 146:274-278
In this work, the conversion of waste glycerol from biodiesel production to glycerol carbonate (GlyC) as added-value product has been investigated. The transformation of waste glycerol to GlyC has been achieved taking the advantage of dimethyl carbon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::560bcd9de08b3e7768c9b15d3f54b2a5
https://doi.org/10.1016/j.apcatb.2013.02.049
https://doi.org/10.1016/j.apcatb.2013.02.049
Autor:
Alina Negoi, Vasile I. Parvulescu, Nicoleta G. Gheorghe, Victor Kuncser, Simona M. Coman, Erhard Kemnitz, Stefan Wuttke
Publikováno v:
ChemSusChem. 5:1708-1711
TIN, TAILORED, NOT SOLDER, BUT CAT: Doped hydroxylated fluorides, prepared by a modified sol-gel method, offer enhanced acidity and improved stability against water, and efficiency in the degradation of cellulose. These materials extend the portfolio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e2c4fab977f67c61b5baadfaba9df22
https://doi.org/10.1002/cssc.201200303
https://doi.org/10.1002/cssc.201200303
Autor:
Alina Negoi, Erhard Kemnitz, Stefan Wuttke, Vasile I. Parvulescu, Simona M. Coman, Katharina Teinz
Publikováno v:
Topics in Catalysis. 55:680-687
Active and selective bifunctional Me(Ir, Pd)/beta zeolite and doped nanoscopic hydroxylated fluorides (0.1 % Pd (or Pt)/AlF3) catalysts were developed for the one-pot synthesis of menthols from citral. In the case of fluoride catalysts, the strong el
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c75435537dc8a925b5a28d0dfc8d98b
https://doi.org/10.1007/s11244-012-9850-y
https://doi.org/10.1007/s11244-012-9850-y
Autor:
Stefan Wuttke, Erhard Kemnitz, Cristian M. Teodorescu, Alina Negoi, Vasile I. Parvulescu, D. Macovei, Simona M. Coman
Publikováno v:
Angewandte Chemie International Edition. 49:8134-8138
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7300957b68526f9651d9cbb28897616
https://doi.org/10.1002/anie.201002090
https://doi.org/10.1002/anie.201002090