Results 21 to 30 of about 24,300 (226)

Luminescent Platinum(II) Complexes of N^N-^N Amido Ligands with Benzannulated N-Heterocyclic Donor Arms: Quinolines Offer Unexpectedly Deeper Red Phosphorescence than Phenanthridines.

Inorganic Chemistry, 2019
A platform for investigating the impact of π-extension in benzannulated, anionic pincer-type N^N-^N-coordinating amido ligands and their Pt(II) complexes is presented. Based on bis(8-quinolinyl)amine, symmetric and asymmetric proligands bearing quinoline
Pavan Mandapati, Jason D. Braun, Charles Killeen, Rebecca L. Davis, J. A. G. Williams, David E. Herbert   +5 more
semanticscholar   +1 more source

Status of national research bioethics committees in the WHO African region

BMC Medical Ethics, 2005
Background The Regional Committee for Africa of the World Health Organization (WHO) in 2001 expressed concern that some health-related studies undertaken in the Region were not subjected to any form of ethics review.
Wambebe Charles, Kirigia Joses M, Baba-Moussa Amido   +2 more
doaj   +1 more source

Redução da hidrofilicidade de filmes biodegradáveis à base de amido por meio de polimerização por plasma [PDF]

Polímeros, 2004
Devido ao baixo custo de produção e excelente biodegradabilidade, o amido constitui-se em matéria-prima promissora para a produção de plásticos biodegradáveis. No entanto, a grande hidrofilicidade dos filmes à base de amido representa uma séria limitação
Rossana M. S. M. Thiré, Renata A. Simão, Pedro J. G. Araújo, Carlos A. Achete, Cristina T. Andrade   +4 more
doaj   +1 more source

Implantable Drug Delivery Systems for Skeletal Muscles and Eyes

Advanced NanoBiomed Research, EarlyView.
This review highlights the different types of recent implantable drug delivery systems (IDDS) fabricated for a use with skeletal muscles, and with eyes. It presents the developments already made and the current research directions, showing the evolution of IDDS and their great diversity.
Serge Ostrovidov, Murugan Ramalingam, Hongkai Wu, Toshinori Fujie, Yukinari Nakamura, Takeshi Hori, Yuji Nashimoto, Xuetao Shi, Hirokazu Kaji   +8 more
wiley   +1 more source

Digestibilidade aparente de dietas contendo diferentes níveis de amido para coelhos em crescimento Apparent digestibility of diets with different starch levels for growing rabbits

Revista Brasileira de Zootecnia, 2000
Com o objetivo de avaliar a influência do amido dietético sobre a digestibilidade aparente dos nutrientes, para coelhos em fase de crescimento, quatro dietas experimentais foram elaboradas de forma a conter níveis crescentes de amido de milho (23, 28, 33
Alex Martins Varela de Arruda, Ronaldo Dessimoni Carregal, Renato Gonçalves Ferreira   +2 more
doaj   +1 more source

Enhanced CO2 Electroreduction Through Electrostatic Functionalization of Iron Porphyrin

ChemCatChem, EarlyView.
This study introduces an iron porphyrin catalyst for CO2 reduction, featuring an ortho‐positioned imidazolium group designed to probe electrostatic effects. The catalyst exhibits a 100‐fold increase in activity over its unsubstituted counterpart at similar potentials.
Adrien Smith, Zakaria Halime, Christian Herrero, Ally Aukauloo   +3 more
wiley   +1 more source

Exploration of the Interconversion of Uranium Anilido and Imido Species

ChemistryEurope, EarlyView.
Exploring the reactivity of the trivalent U(NHDIPP)5K2(THF)4 (1) leads to the formation of uranium imido complexes. Treating 1 with 18c6 causes spontaneous oxidation and the formation of [U(NDIPP)(NHDIPP)4][K(18c6)(THF)]2 (2). Oxidation of 1 or 2 results in the formation of U(NDIPP)2(NHDIPP)2 (3).
Kelly L. Gullett, Nickolas H. Anderson, MacKenzie C. Weaver, Landon O. King, Matthias Zeller, Suzanne C. Bart   +5 more
wiley   +1 more source

Dinuclear Rhodium and Iridium Complexes with Mixed Amido/Methoxo and Amido/Hydroxo Bridges

Inorganic Chemistry, 2002
The reactions of [[M(mu-OMe)(cod)](2)] (M = Rh, Ir; cod = 1,5- cyclooctadiene) with p-tolylamine, alpha-naphthylamine, and p-nitroaniline gave complexes with mixed-bridging ligands, [[M(cod)](2)(mu-NHAr)(mu-OMe)]. Similarly, the related complexes [[Rh(cod)](2)(mu-NHAr)(mu-OH)] were prepared from the reactions of [[Rh(mu-OH)(cod)](2)] with p-tolylamine,
Tejel, Cristina, Ciriano, Miguel A., Bordonaba, Marta, López, José A., Lahoz, Fernando J., Oro, Luis A.   +5 more
openaire   +3 more sources

Synthesis and Isolation of Bismuth Scorpionate Complexes: Toward Bond Activation via Bismuth‐Ligand Cooperation

Chemistry – A European Journal, EarlyView.
ABSTRACT Over the past twenty years, main group chemistry has significantly expanded its scope to include reactivities once considered the exclusive domain of transition metals. Among the emerging concepts, element‐ligand cooperation has proven to be a powerful strategy for enabling bond activation reactions but remains relatively unexplored for ...
Lennart Hensle, Viktoria H. Gessner
wiley   +1 more source

Mononuclear Molybdenum and Tungsten Phosphine Complexes for Catalytic Ammonia Synthesis: Development of the pentaPod Concept

ChemPhysChem, EarlyView.
The pentaPod (P5) concept unites tridentate and tripodal fragments to form molybdenum and tungsten catalytic Chatt‐type complexes for N2‐to‐NH3 reduction. Two pentaPod ligands, P5Me and P5Pln, are available with either two dimethylphosphine or phospholano (Pln) groups. The complexes enable the investigation of reactivity differences in N2 reduction and,
Anna‐Marlene Vogt, Tobias Adrian Engesser, Jan Krahmer, Felix Tuczek   +3 more
wiley   +1 more source