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1.
J Pers ; 91(1): 180-192, 2023 02.
Artículo en Inglés | MEDLINE | ID: mdl-35778899

RESUMEN

INTRODUCTION: Cori Bush is a prominent modern activist in the U.S., becoming involved in activism following Michael Brown's death. Bush, like many activists before her, has set clear goals for social change, yet work is needed to understand why Bush (and like others) became an activist when others did not. One potential reason may be that these exemplars found purpose in life in activism. Thus, the current psychobiography explores the purpose in life of Cori Bush, a prominent activist and politician in the U.S., as well as what factors emerge for how Bush found her purpose in life. METHOD: The present research gathered public materials (e.g., speeches) from Bush and coded materials for the presence and depth of both themes of purpose and factors predicting purpose. RESULTS: Activism was the most prominent theme of purpose for Bush, with some pro-social purposes also occurring. Multiple personal factors emerged as influences on her activist purpose, including extraversion, psychological flexibility, and action-oriented coping style. Additionally, the situational factors of discriminatory experiences and Michael Brown's death emerged as factors. CONCLUSION: These results suggest that Bush has an activist purpose in life and that she found this purpose through a combination of personal and situational factors.


Asunto(s)
Adaptación Psicológica , Femenino , Humanos
2.
Psychol Health Med ; 28(10): 3107-3116, 2023 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-37332156

RESUMEN

Given the increased threats to health and well-being faced by transgender individuals, research is needed to understand potential protective factors. Recent work has suggested that a sense of purpose may be one of the health-promoting resources available to marginalized groups, and levels of purpose are often similar or even higher among these groups. However, research is limited regarding whether this factor manifests differently among transgender adults. The current study (n = 1968 U.S. adults; 4.3% identified as transgender) asked participants to complete surveys for sense of purpose, self-rated health, life satisfaction and the type of purposes they deemed important. The findings suggest no difference in levels of sense of purpose between transgender and non-transgender adults. Transgender adults reported slightly lower levels of importance across multiple purposes, which merits further investigation into whether they perceive greater obstacles toward those goals. Of central importance, sense of purpose positively correlated with self-rated health (r = .50) and life satisfaction for transgender adults (r = .77), at similar or even greater magnitudes than for the non-transgender adults. These results point to the potential of exploring sense of purpose as an intervention target for promoting transgender health and well-being, and future directions should focus on the multiple pathways by which transgender identity may influence purpose development.


Asunto(s)
Personas Transgénero , Adulto , Humanos , Estados Unidos/epidemiología , Identidad de Género , Encuestas y Cuestionarios , Factores de Riesgo
3.
Inorg Chem ; 60(6): 3572-3584, 2021 Mar 15.
Artículo en Inglés | MEDLINE | ID: mdl-33616393

RESUMEN

The atomic-level tunability of molecular structures is a compelling reason to develop homogeneous catalysts for challenging reactions such as the electrochemical reduction of carbon dioxide to valuable C1-Cn products. Of particular interest is methane, the largest component of natural gas. Herein, we report a series of three isomeric rhenium tricarbonyl complexes coordinated by the asymmetric diimine ligands 2-(isoquinolin-1-yl)-4,5-dihydrooxazole (quin-1-oxa), 2-(quinolin-2-yl)-4,5-dihydrooxazole (quin-2-oxa), and 2-(isoquinolin-3-yl)-4,5-dihydrooxazole (quin-3-oxa) that catalyze the reduction of CO2 to carbon monoxide and methane, albeit the latter with a low efficiency. To our knowledge, these complexes are the first examples of rhenium(I) catalysts capable of converting carbon dioxide into methane. Re(quin-1-oxa)(CO)3Cl (1), Re(quin-2-oxa)(CO)3Cl (2), and Re(quin-3-oxa)(CO)3Cl (3) were characterized and studied using a variety of electrochemical and spectroscopic techniques. In bulk electrolysis experiments, the three complexes reduce CO2 to CO and CH4. When the controlled-potential electrolysis experiments are performed at -2.5 V (vs Fc+/0) and in the presence of the Brønsted acid 2,2,2-trifluoroethanol, methane is produced with turnover numbers that range from 1.3 to 1.8. Isotope labeling experiments using 13CO2 atmosphere produce 13CH4 (m/z = 17) confirming that methane originates from CO2 reduction. Theoretical calculations are performed to investigate the mechanistic aspects of the 8e-/8H+ reduction of CO2 to CH4. A ligand-assisted pathway is proposed to be an efficient pathway in the formation of CH4. Delocalization of the electron density on the (iso)quinoline moiety upon reduction stabilizes the key carbonyl intermediate leading to additional reactivity of this ligand. These results should aid the development of more robust catalytic systems that produce CH4 from CO2.

4.
Tree Physiol ; 22(1): 31-40, 2002 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-11772553

RESUMEN

Variation in specific needle area (SNA; cm2 projected fresh needle area g-1 oven-dried needle weight) was investigated in relation to needle age, within-crown position and epicormic shoot production in 450-year-old Douglas-fir (Pseudotsuga menziesii Mirb. (Franco) var. menziesii) trees. Specific needle area decreased with increasing needle age. The magnitude and rate of change in SNA with needle age were greatest for lower-crown branches, and decreased toward the middle- and upper-crown branches. For all branches, there was no difference between regular and epicormic shoots in the relationship between SNA and needle age. Specific needle area decreased with increasing distance from branch base, and this relationship was significant for the majority of needle age classes of the upper- and middle-crown branches. In the lowercrown branches, SNA did not vary with distance from branch base for the majority of needle age classes. For all branches, there was no difference between regular and epicormic shoots in the relationship between SNA and distance from branch base for the majority of needle age classes. These results indicate that renewal of foliage by epicormic shoot production maintains needle quality. Branch SNA increased linearly with decreasing height in the crown at a mean rate of 0.951 +/- 0.110 cm2 g-1 per vertical meter. Total needle area of branches was estimated from total needle dry weight taking into account within-branch variation in SNA. Analyses of allometric relationships between branch size and foliage amount (needle area and needle dry weight) showed that branch length was a better predictor of foliage amount than branch diameter for old Douglas-fir trees. Total needle dry weight and needle area of the sample trees, estimated from branch length and branch height and taking into account vertical within-crown variation in branch SNA, ranged from 42.4 to 154.2 kg and from 246.2 to 816.0 m2 per tree, respectively.


Asunto(s)
Hojas de la Planta/anatomía & histología , Brotes de la Planta/fisiología , Pseudotsuga/fisiología , Árboles/fisiología , Hojas de la Planta/fisiología , Brotes de la Planta/anatomía & histología , Pseudotsuga/anatomía & histología , Árboles/anatomía & histología , Washingtón
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