Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Bogdan Cojocaru"'
Autor:
Andreea Neacsu, Viorel Chihaia, Razvan Bucuresteanu, Anton Ficai, Roxana Doina Trusca, Vasile-Adrian Surdu, Adela Nicolaev, Bogdan Cojocaru, Monica Ionita, Ioan Calinescu, Viorica Parvulescu, Lia-Mara Ditu
Publikováno v:
Materials, Vol 17, Iss 18, p 4483 (2024)
Ca- and Cu-decorated TiO2 microparticles are titanium dioxide nanoparticles that have been decorated with calcium and copper ions. TiO2, CaO, and CuO are low-cost, non-toxic, and non-hazardous materials. The aim of the present study was the physicoch
Externí odkaz:
https://doaj.org/article/344c0877e05a4a789a9e5b61d1dca571
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:
Magdi El Fergani, Natalia Candu, Iunia Podolean, Bogdan Cojocaru, Adela Nicolaev, Cristian M. Teodorescu, Madalina Tudorache, Vasile I. Parvulescu, Simona M. Coman
Publikováno v:
Catalysts, Vol 12, Iss 10, p 1202 (2022)
The catalytic hydrotreatment of humins, the solid byproduct produced from the conversion of C6 sugars (glucose, fructose) to 5-hydroxymethylfurfural (HMF), using supported Pd@zeolite (Beta, Y, and USY) catalysts with different amounts of Pd (i.e., 0.
Externí odkaz:
https://doaj.org/article/61f11123d4ce480383f3c1eef0fa75de
Autor:
Sabina G. Ion, Octavian D. Pavel, Nicolae Guzo, Madalina Tudorache, Simona M. Coman, Vasile I. Parvulescu, Bogdan Cojocaru, Elisabeth E. Jacobsen
Publikováno v:
Catalysts, Vol 12, Iss 9, p 1044 (2022)
Considerable efforts have been made in recent years to identify an optimal treatment method for the removal of antibiotics from wastewaters. A series of supramolecular organic-inorganic magnetic composites containing Zn-modified MgAl LDHs and Cu-phth
Externí odkaz:
https://doaj.org/article/67338eb023eb4ed0a80193b0e251429f
Publikováno v:
Catalysts, Vol 12, Iss 9, p 952 (2022)
Currently, carbon quantum dots (CQDs) have been widely investigated as an enhancing photocatalytic component of various nanocomposites. In this study, hetero-structures containing carbon quantum dots (CQDs) associated to zinc oxide were prepared foll
Externí odkaz:
https://doaj.org/article/f6c962e7e324485d83a756f10b6e06c5
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:
Rodica Zăvoianu, Silvana-Denisa Mihăilă, Bogdan Cojocaru, Mădălina Tudorache, Vasile I. Pârvulescu, Octavian Dumitru Pavel, Solon Oikonomopoulos, Elisabeth Egholm Jacobsen
Publikováno v:
Catalysts, Vol 12, Iss 7, p 759 (2022)
Using organic-base tetramethylammonium hydroxide (TMAH) is a viable, cheap, and fast option for the synthesis of MgZnAl-LDH-type materials by both co-precipitation and mechano-chemical methods. TMAH presents several advantages, such as the smaller qu
Externí odkaz:
https://doaj.org/article/42e0246a10b84ae78eabd4a9287328d1
Autor:
Razvan Bucuresteanu, Lia-Mara Ditu, Monica Ionita, Ioan Calinescu, Valentin Raditoiu, Bogdan Cojocaru, Ludmila Otilia Cinteza, Carmen Curutiu, Alina Maria Holban, Marius Enachescu, Laura-Bianca Enache, Gabriel Mustatea, Viorel Chihaia, Adela Nicolaev, Elena-Larisa Borcan, Grigore Mihaescu
Publikováno v:
Materials, Vol 14, Iss 18, p 5307 (2021)
Preventing and controlling the spread of multidrug-resistant (MDR) bacteria implicated in healthcare-associated infections is the greatest challenge of the health systems. In recent decades, research has shown the need for passive antibacterial prote
Externí odkaz:
https://doaj.org/article/e5de9289ede247c98774e093ca62ee0a