Results 101 to 110 of about 1,600,579 (309)

First-principles quantum dynamical theory for the dissociative chemisorption of H2O on rigid Cu(111)

Nature Communications, 2016
Dissociative chemisorption dynamics of polyatomic molecules on surfaces are still challenging to probe quantitatively. Here, the authors report the 9-dimensional quantum dynamics of H2O dissociative chemisorption on Cu(111), with the highest level of ...
Zhaojun Zhang, Tianhui Liu, Bina Fu, Xueming Yang, Dong H. Zhang   +4 more
doaj   +1 more source

Electron transfer between complexes III and IV in S. cerevisiae mitochondrial membranes

FEBS Letters, EarlyView.
Mitochondrial oxidative phosphorylation in S. cerevisiae mitoplasts is limited by complex IV catalytic capacity, rather than two‐dimensional cytochrome c diffusion. At physiological cytochrome c : supercomplex ratios at salinity equivalent to that of 20 mm monovalent salt, activity is maximized, indicating that this low ionic strength accurately mimics
Ana Paula Lobez, Mikael Oliveberg, Peter Brzezinski   +2 more
wiley   +1 more source

Mechanistic and kinetic effects of Ga on a Cu catalyst for CO2 hydrogenation to methanol

Journal of CO2 Utilization
This work investigates the mechanistic and kinetic effects of gallium (Ga) promotion on copper (Cu) catalysts for carbon dioxide hydrogenation using the density functional theory (DFT), in situ infrared spectroscopy, and mean-field microkinetic ...
Yerrayya Attada, Gontzal Lezcano, Vijay K. Velisoju, David Trueba, Shekhar R. Kulkarni, Ali Almofleh, Hassan Aljama, Pedro Castano   +7 more
doaj   +1 more source

Microbiome−host proteostasis crosstalk—An emerging perspective on mechanisms and interventions toward healthy longevity

FEBS Letters, EarlyView.
Proteostasis and the gut microbiota play a key role in shaping host physiology. Microbiota‐derived metabolites, vitamins, and RNA modulate host proteostasis. Findings from model systems, including C. elegans, indicate microbes can either stabilize or disrupt host proteostasis.
Abhishek Anil Dubey, Maria Ermolaeva
wiley   +1 more source

Total synthesis of cofacial chlorin dimers of two different symmetries - Models of photosynthetic reaction centers [PDF]

, 2011
In photosynthetic reaction center, the special pair (SP) functions as the primary and significant part of the electron transfer. The function of SP is resulted from the particular structure with two nearly two-folded bacterio(chlorophyll).
Nguyen Thi Viet, Thanh
core  

Effect of Mo-Doped Mesoporous Al-SSP Catalysts for the Catalytic Dehydration of Ethanol to Ethylene

Journal of Chemistry, 2016
The catalytic dehydration of ethanol to ethylene over the mesoporous Al-SSP and Mo-doped Al-SSP catalysts was investigated. The Al-SSP catalyst was first synthesized by the modified sol-gel method and then doped with Mo by impregnation to obtain 1% Mo/Al-
Titinan Chanchuey, Chaowat Autthanit, Bunjerd Jongsomjit   +2 more
doaj   +1 more source

PARK(ing) time–How park deficiency affects the biological clock in a Drosophila model of Parkinson's disease

FEBS Letters, EarlyView.
Drosophila park mutants serve as a model for Parkinson's disease. We used this strain to investigate the connection between oxidative stress and the circadian clock mechanism. We showed that increased oxidative stress affects the physiology of pacemaker cells, disrupting their daily structural plasticity. Lack of rhythmic signaling from pacemaker cells
Kamila Zientara, Kinga Skoczek, Elzbieta Pyza, Milena Damulewicz   +3 more
wiley   +1 more source

Developing highly stable and reusable WO3 on mesoporous cellular foam silica for dilute bioethanol dehydration to ethylene

Journal of Taibah University for Science
This study developed a highly stable and reusable WO3 on mesoporous cellular foam silica catalyst (MCF-Si) for dilute bioethanol (70%v/v) dehydration to ethylene.
Pantita Trongjitraksa, Chombongkot Sricharoen, Piyasan Praserthdam, Bunjerd Jongsomjit   +3 more
doaj   +1 more source

Structural insights and therapeutic targets in Acinetobacter baumannii capsule biosynthesis

FEBS Letters, EarlyView.
Hypervirulent KL49 A. baumannii's capsular polysaccharide contains the nonulosonic acid 8‐epi‐Leg5,7Ac2, synthesized by epimerization via ElaA, ElaB, and ElaC. Crystal structures of ElaA, ElaB, and ElaC reveal their role in CMP‐Leg5,7Ac2 synthesis and regioselective C8 epimerization.
Woo Cheol Lee, Junho Jeong, Chae Yeong Lee, Hyunjoon Cho, Man Hwan Oh, Je Chul Lee, Jee‐Young Lee, Yangmee Kim   +7 more
wiley   +1 more source

A comparative review of time-resolved x-ray and electron scattering to probe structural dynamics

Structural Dynamics
The structure of molecules, particularly the dynamic changes in structure, plays an essential role in understanding physical and chemical phenomena. Time-resolved (TR) scattering techniques serve as crucial experimental tools for studying structural ...
Yunbeom Lee, Key Young Oang, Doyeong Kim, Hyotcherl Ihee   +3 more
doaj   +1 more source