Results 91 to 100 of about 56,153 (264)

Synthesis of 2-Acylphenol and Flavene Derivatives from the Ruthenium-Catalyzed Oxidative C-H Acylation of Phenols with Aldehydes [PDF]

, 2015
The cationic ruthenium hydride complex [(C6H6)(PCy3)(CO)RuH]+BF4− has been found to be an effective catalyst for the oxidative C–H coupling reaction of phenols with aldehydes to give 2-acylphenol compounds.
Aponick, Arockiam, Baslé, Boots, Chan, Charest, Choy, Fristrup, González-Bello, Gore, Gunanathan, Han, Jia, Kakiuchi, Kakiuchi, Kandaswami, Koren-Selfridge, Kwon, Lee, Li, Li, Li, Li, Lyons, Madabhushi, Miyaura, Mo, Ngidi, Obora, Olah, Park, Pastine, Rao, Rappoport, Shan, Sharma, Sigman, Suzuki, Tang, Thirunavukkarasu, Thirunavukkarasu, Thirunavukkarasu, Wang, Yang, Yao, Yeung, Zhang, Álvarez-Bercedo   +47 more
core   +2 more sources

Characterization of Synthetic C3a Analog Peptides on Human Eosinophils in Comparison to the Native Complement Component C3a [PDF]

The Journal of Immunology, 2000
Abstract The C3a anaphylatoxin is a potent proinflammatory mediator derived from the complement system inducing biologic effects of human eosinophils like Ca2+ transients and the activation of the respiratory burst. These findings support an important role for C3a in diseases typically associated with a peripheral blood or tissue ...
H, Petering, J, Köhl, A, Weyergraf, Y, Dulkys, D, Kimmig, R, Smolarski, A, Kapp, J, Elsner   +7 more
openaire   +2 more sources

Quantitative analysis of the aluminate interactions in model and real cement slag pastes at an early age

Case Studies in Construction Materials
The present research investigated the hydration characteristics of model (C3S-C3A-gypsum-blast furnace slag) and real cement slag pastes at an early age, and emphasis was laid on the interaction of gypsum, aluminate phases dissolved from both C3A and ...
Yu Zhang, Chaoyu Liu, Luiz Miranda de Lima Junior, Chen Liu   +3 more
doaj   +1 more source

Quantitative determination of tricalcicum aluminate in portland cement by X-ray diffraction

Materiales de Construccion, 1989
Tricalcium aluminate (C3A) is one of the constitutive phase of the cement-clinker. Its concentration influences the cement behaviour in sulphate aggressive soils. Therefore its quantification is very convenient and International standards fix its content
José Luis Sagrera Moreno
doaj   +1 more source

C3a-C3aR signaling promotes breast cancer lung metastasis via modulating carcinoma associated fibroblasts

Journal of Experimental & Clinical Cancer Research, 2020
Background Mounting evidence suggests that complement components promote tumor progression via modulating immune suppression, angiogenesis, or tumor cell proliferation.
Chi Shu, Haoran Zha, Haixia Long, Xinxin Wang, Fei Yang, Jianbao Gao, Chunyan Hu, Li Zhou, Bo Guo, Bo Zhu   +9 more
doaj   +1 more source

Lexicographic choice functions without archimedeanicity [PDF]

, 2017
We investigate the connection between choice functions and lexicographic probabilities, by means of the convexity axiom considered by Seidenfeld, Schervisch and Kadane (2010) but without imposing any Archimedean condition.
A Sen, E Miranda, G Cooman De, G Cooman De, H Rubin, M Aizerman, T Schwartz, T Seidenfeld   +7 more
core   +2 more sources

Phosphoryl Halogen and Hydrogen Bonding Controls the Solid‐State Structures of Aryl Halide‐Containing Phosphonates

European Journal of Inorganic Chemistry, EarlyView.
Intramolecular (RO)2PO→Halogen interaction versus intermolecular (RO)2PO···HOH hydrogen bonds. Although the O···I distance is shorter than the sum of the van der Waals radii of the atoms involved, there is no covalency involved in this interaction.
David Mross, Paweł Horeglad, Bastian Grabe, Wolf Hiller, Vito Lippolis, Massimiliano Arca, Klaus Jurkschat   +6 more
wiley   +1 more source

Complement C3a promotes the formation of osteoclasts by inhibiting Sirt1 to activate the PI3K/PDK1/SGK3 pathway in patients with multiple myeloma

Journal of Translational Medicine
Background Myeloma bone disease (MBD) is the most common complication of multiple myeloma (MM). Our previous study showed that the complement C3a activates osteoclasts to participate in the pathogenesis of MBD; however, its mechanism of action is diverse
Fengjuan Jiang, Yunhe Zhang, Fengping Peng, Hui Liu, Kai Ding, Panpan Cao, Xiaohan Liu, Lijuan Li, Zhaoyun Liu, Rong Fu   +9 more
doaj   +1 more source

Microstructural evolution and degradation mechanisms of tricalcium silicate and tricalcium aluminate composite pastes under sulfate exposure

Case Studies in Construction Materials
Sulfate attack precipitates instability and degradation within calcium silicate (aluminate) hydrate (C-(A)-S-H) gel, the primary binding phase in cementitious materials.
Dengke Wang, Gaozhan Zhang, Qingjun Ding, Peng Yan, Yang Li   +4 more
doaj   +1 more source

Possibilities of using the ultrasonic wave transmission method to estimate initial setting time of cement paste [PDF]

, 2008
In this paper, the applicability of the ultrasonic wave transmission method to estimate the initial setting time of an arbitrary cement paste is discussed. Ultrasonic pulse velocity measurements were fully automated and measured continuously.
Chotard, Franci Kavčič, Goran Turk, Gregor Trtnik, Grosse, Hewlett, Kamada, Keating, Krauss, Lee, M Sayers, Rapoport, Reinhardt, Sun, Valič, Violeta Bokan Bosiljkov, Voigt, Voigt, Voigt, Voigt   +19 more
core   +2 more sources