Mechanisms of a mindfulness psyCho-behAvioRal intErvention (MCARE) on depression and anxiety symptoms in patients with acute coronary syndrome: A longitudinal mediation analysis.

Objective: This study aimed to explore the mediating roles of mindfulness and illness perception in the effects of a social media-based Mindfulness psyCho-behAvioRal intErvention (MCARE) on depressive and anxiety symptoms among patients with ACS.

Methods: This study conducted a secondary longitudinal mediation analysis using data from a randomized controlled trial of the MCARE grogram in patients with ACS. Participants were recruited at two tertiary hospitals in Jinan, China.

Relationships between disease severity, psychological stress, and health-related quality of life among patients with acute coronary syndrome: mediation of illness perception.

Aims: Patients with acute coronary syndrome (ACS) often experience reduced health-related quality of life (HRQOL), which may be attributable to the disease severity and psychological stress. While illness perception is speculated to be a potential pathway underlying these relationships, evidence supporting this mechanism remains limited. This study aimed to investigate the relationships between disease severity, psychological stress, and HRQOL and whether these relationships are mediated by illness perception in patients with ACS.

Efficient Liberation of Ammonia from Thermal Reaction of ScNH Cations and Water.

Ammonia synthesis by using water as a hydrogen source is a challenging task. Laser-ablation-generated ScNH cations have been mass-selected using a quadrupole mass filter and reacted with HO in a linear ion trap reactor under thermal collision conditions. Through mass spectrometry in conjunction with density functional theory calculations, we found that ammonia is released as the product in the reaction of ScNH with HO, and this reaction is with high efficiency and selectivity, and the rate constant for the reaction is (1.

Dinitrogen Fixation and Reduction by TaNH Cluster Anions at Room Temperature: Hydrogen-Assisted Enhancement of Reactivity.

Dinitrogen activation and reduction is one of the most challenging and important subjects in chemistry. Herein, we report the N binding and reduction at the well-defined TaNH and TaN gas-phase clusters by using mass spectrometry (MS), anion photoelectron spectroscopy (PES), and quantum-chemical calculations. The PES and calculation results show clear evidence that N can be adsorbed and completely activated by TaNH and TaN clusters, yielding to the products TaNH and TaN, but the reactivity of TaNH is five times higher than that of the dehydrogenated TaN clusters.

Clean and Efficient Transformation of CO to Isocyanic Acid: The Important Role of Triatomic Cation ScNH.

Achieving the desired selective transformations of the very stable CO into useful chemicals is quite important for the development of economically and environmentally sustainable synthetic methods. Herein, mass spectrometric experiments and quantum-chemical calculations have identified that ScNH reacts quite efficiently with CO under thermal collision conditions to exclusively yield ScO and isocyanic acid (HNCO). This is a novel reaction type in CO activation reactions mediated by gas-phase ions.

Hydrogen- and oxygen-atom transfers in the thermal activation of benzene mediated by CuO cations.

The mass-selected copper oxide cluster cations CuO are successfully prepared by laser ablation and reacted with benzene in a linear ion trap reactor. The cluster reaction is characterized by reflectron mass spectrometry in conjunction with density functional theory calculations. Four types of reaction channels are observed: (1) CuOH + CHO˙, (2) CuCH + O, (3) Cu(CH) + Cu and (4) CuOCH, in which the first one is the major product.

Direct hydroxylation of benzene to phenol mediated by nanosized vanadium oxide cluster ions at room temperature.

Gas-phase vanadium oxide cluster cations and anions are prepared by laser ablation. The small cluster ions (<1000 amu) are mass-selected using a quadrupole mass filter and reacted with benzene in a linear ion trap reactor; large clusters (>1000 amu) with no mass selection are reacted with CH in a fast flow reactor. Rich product variety is encountered in these reactions, and the reaction channels for small cationic and anionic systems are different.

Fe O Cation Mediated Propane Oxidation by Dioxygen in the Gas Phase.

The mass-selected Fe O cation mediated propane oxidation by O was investigated by mass spectrometry and density functional theory calculations. In the reaction of Fe O with C H , H was liberated by C-H bond activation to give Fe OC H . Interestingly, when a mixture of C H /O was introduced into the reactor, an intense signal that corresponded to the Fe O cation was present; the experiments indicated that O was activated in its reaction with Fe O(C H ) to give Fe O and C H O (acetone or propanal).