Zobrazeno 1 - 10
of 110
pro vyhledávání: '"Bogdan, Cojocaru"'
Autor:
Iunia Podolean, Mara Dogaru, Nicolae Cristian Guzo, Oana Adriana Petcuta, Elisabeth E. Jacobsen, Adela Nicolaev, Bogdan Cojocaru, Madalina Tudorache, Vasile I. Parvulescu, Simona M. Coman
Publikováno v:
Nanomaterials, Vol 14, Iss 3, p 277 (2024)
The primary objective of this research was to develop efficient solid catalysts that can directly convert the lactic acid (LA) obtained from lignocellulosic biomass into alanine (AL) through a reductive amination process. To achieve this, various cat
Externí odkaz:
https://doaj.org/article/fb67600090b843958bec7ea50342cf75
Autor:
Bogdan Cojocaru, Bogdan Ciprian Jurca, Rodica Zăvoianu, Ruxandra Bîrjega, Vasile I. Pârvulescu, Octavian Dumitru Pavel
Publikováno v:
Catalysis Communications, Vol 170, Iss , Pp 106485- (2022)
Tetramethylammonium- and tetrabutylammonium-hydroxides operate as alternative bases to the traditional inorganic ones for the LDH structures synthesis with controlled texture. This is valuable for both co-precipitation and mechano-chemical routes, wh
Externí odkaz:
https://doaj.org/article/d0833a6440b04d8eae4808f96a0aabc5
Autor:
Rodica Zăvoianu, Mădălina Tudorache, Vasile I. Parvulescu, Bogdan Cojocaru, Octavian D. Pavel
Publikováno v:
Molecules, Vol 27, Iss 23, p 8391 (2022)
A rapid, cheap and feasible new approach was used to synthesize the Mg0.375Fe0.375Al0.25-LDH in the presence of tetramethylammonium hydroxide (TMAH), as a nontraditional hydrolysis agent, applying both mechano-chemical (MC) and co-precipitation metho
Externí odkaz:
https://doaj.org/article/379c10a620334d41847a22c29f4a7588
Autor:
Bogdan Cojocaru, Daniel Avram, Raluca Negrea, Corneliu Ghica, Vadim G. Kessler, Gulaim A. Seisenbaeva, Vasile I. Parvulescu, Carmen Tiseanu
Publikováno v:
ACS Omega, Vol 4, Iss 5, Pp 8881-8891 (2019)
Externí odkaz:
https://doaj.org/article/3177f07c7142443e922446d73f262d03
Autor:
Maria Antonia Tănase, Andreia Cristina Soare, Petruţa Oancea, Adina Răducan, Cătălin Ionuţ Mihăescu, Elvira Alexandrescu, Cristian Petcu, Lia Mara Diţu, Marilena Ferbinteanu, Bogdan Cojocaru, Ludmila Otilia Cinteza
Publikováno v:
Nanomaterials, Vol 11, Iss 10, p 2574 (2021)
ZnO nanoparticle-based multifunctional coatings were prepared by a simple, time-saving microwave method. Arginine and ammonia were used as precipitation agents, and zinc acetate dehydrate was used as a zinc precursor. Under the optimized conditions,
Externí odkaz:
https://doaj.org/article/6bfcbf6246c64558b4350af79e79fc73
Autor:
Lidia Căta, Natalia Terenti, Cristina Cociug, Niculina Daniela Hădade, Ion Grosu, Cristina Bucur, Bogdan Cojocaru, Vasile I. Parvulescu, Michal Mazur, Jiří Čejka
Publikováno v:
ACS Applied Materials & Interfaces. 14:10428-10437
Palladium nanoparticles entrapped in porous aromatic frameworks (PAFs) or covalent organic frameworks may promote heterogeneous catalytic reactions. However, preparing such materials as active nanocatalysts usually requires additional steps for palla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a46d34c9511f88b6477811d440cce05
https://doi.org/10.1021/acsami.1c24429
https://doi.org/10.1021/acsami.1c24429
Autor:
Sabina Ion, Cristina Opris, Bogdan Cojocaru, Madalina Tudorache, Irina Zgura, Aurelian C. Galca, Adina M. Bodescu, Madalin Enache, Gabriel-Mihai Maria, Vasile I. Parvulescu
Publikováno v:
Frontiers in Chemistry, Vol 6 (2018)
A novel and efficient one-pot system for green production of artificial lignin bio-composites has been developed. Monolignols such as sinapyl (SA) and coniferyl (CA) alcohols were linked together with caffeic acid (CafAc) affording a polymeric networ
Externí odkaz:
https://doaj.org/article/f319e1759b604324895940e700aaad7d
Autor:
Cristina Bucur, Hermenegildo García, Alina Jurca, Vasile I. Parvulescu, Alejandra Rendón-Patiño, Ana Primo, Bogdan Cojocaru
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
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Microporous graphitic carbons obtained by pyrolysis of α-cyclodextrin have been conveniently doped with N and P elements by performing the thermal graphitization adding urea or phosphoric acid as source of these elements. Electron microscopy shows t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9859d34a45355c0ec3ff6dd22c506641
https://doi.org/10.1016/j.jcat.2021.11.034
https://doi.org/10.1016/j.jcat.2021.11.034
Autor:
Gulaim A. Seisenbaeva, Carmen Tiseanu, Vasile I. Parvulescu, Bogdan Cojocaru, Fredric G. Svensson, Vadim G. Kessler, Zhen Qiu, Tomas Edvinsson
Publikováno v:
Inorganic Chemistry
A molecular precursor approach to titania (anatase) nanopowders modified with different amounts of rare-earth elements (REEs: Eu, Sm, and Y) was developed using the interaction of REE nitrates with titanium alkoxides by a two-step solvothermal–comb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a399bfea5fcb7ba5cfebcae7719bb2b
https://doi.org/10.1021/acs.inorgchem.1c02134
https://doi.org/10.1021/acs.inorgchem.1c02134