The electrocatalytic carbon dioxide (CO) reduction reaction (CORR) involves a variety of electron transfer pathways, resulting in poor reaction selectivity, limiting its use to meet future energy requirements. Polyoxometalates (POMs) can both store and release multiple electrons in the electrochemical process, and this is expected to be an ideal "electron switch" to match with catalytically active species, realize electron transfer modulation and promote the activity and selectivity of the electrocatalytic CORR. Herein, we report a series of new POM-based manganese-carbonyl (MnL) composite CO reduction electrocatalysts, whereby SiW-MnL exhibits the most remarkable activity and selectivity for CORR to CO, resulting in an increase in the faradaic efficiency (FE) from 65% (MnL) to a record-value of 95% in aqueous electrolyte.
View Article and Find Full Text PDFBackground: Lifestyle modification is an integral component of cardiac secondary prevention, while it has been confirmed that myocardial infarction (MI) patients' health-related behaviors are heavily influenced by their illness perception.
Objectives: To evaluate the effect of a telephone follow-up intervention for improving MI patients' illness perception and lifestyle.
Design: A randomized controlled trial, longitudinal research design was employed.
Patient Educ Couns
December 2011
Objective: To explore illness perception (IP) and its predictors among Chinese patients with myocardial infarction (MI).
Methods: The revised Illness Perception Questionnaire (IPQ-R) was used in the present study. A cross-sectional, descriptive design was employed.
Nan Fang Yi Ke Da Xue Xue Bao
October 2009
Objective: To assess the value of color Doppler ultrasonography, contrast-enhanced ultrasound and detection of serum CA-125 levels in the differential diagnosis of ovarian masses.
Methods: The findings of color Doppler ultrasonography, contrast-enhanced ultrasound and the serum levels of CA-125 were comparatively analyzed in 65 patients with ovarian masses, and the diagnostic accuracy of the 3 methods was estimated.
Results: Of the 65 cases of ovarian masses, 21 of the 35 patients with benign ovarian masses had serum CA-125 levels below 35 U/ml , and 28 of the 30 patients with malignant masses showed CA-125 levels over 35 U/ml.
Sichuan Da Xue Xue Bao Yi Xue Ban
September 2004
Objective: To study the clinicopathologic and immunohistochemical features of solitary fibrous tumor (SFT) and its biologic behaviour.
Methods: Clinicopathologic data of 26 cases were collected and analyzed. Among them, immunohistochemical staining (Envision method) for CD34, vimentin, CD99, bcl-2, S-100, SMA, HBME-1, EMA and Ki67 were performed in 23 cases.