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- Dang, Junhua, et al.
(författare)
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A Multilab Replication of the Ego Depletion Effect
- 2021
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Ingår i: Social Psychology and Personality Science. - : Sage Publications. - 1948-5506 .- 1948-5514. ; 12:1, s. 14-24
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Tidskriftsartikel (refereegranskat)abstract
- There is an active debate regarding whether the ego depletion effect is real. A recent preregistered experiment with the Stroop task as the depleting task and the antisaccade task as the outcome task found a medium-level effect size. In the current research, we conducted a preregistered multilab replication of that experiment. Data from 12 labs across the globe (N = 1,775) revealed a small and significant ego depletion effect, d = 0.10. After excluding participants who might have responded randomly during the outcome task, the effect size increased to d = 0.16. By adding an informative, unbiased data point to the literature, our findings contribute to clarifying the existence, size, and generality of ego depletion.
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- Linton, Jonathan D., et al.
(författare)
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Flow of energy in the outer retina in darkness and in light
- 2010
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Ingår i: Proceedings of the National Academy of Sciences. - : Proceedings of the National Academy of Sciences. - 1091-6490 .- 0027-8424. ; 107:19, s. 8599-8604
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Tidskriftsartikel (refereegranskat)abstract
- Structural features of neurons create challenges for effective production and distribution of essential metabolic energy. We investigated how metabolic energy is distributed between cellular compartments in photoreceptors. In avascular retinas, aerobic production of energy occurs only in mitochondria that are located centrally within the photoreceptor. Our findings indicate that metabolic energy flows from these central mitochondria as phosphocreatine toward the photoreceptor's synaptic terminal in darkness. In light, it flows in the opposite direction as ATP toward the outer segment. Consistent with this model, inhibition of creatine kinase in avascular retinas blocks synaptic transmission without influencing outer segment activity. Our findings also reveal how vascularization of neuronal tissue can influence the strategies neurons use for energy management. In vascularized retinas, mitochondria in the synaptic terminals of photoreceptors make neurotransmission less dependent on creatine kinase. Thus, vasculature of the tissue and the intracellular distribution of mitochondria can play key roles in setting the strategy for energy distribution in neurons.
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| 4. |
- Tang, Jinfeng, 1984, et al.
(författare)
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A novel integrating approach to assess the role of LiFePO 4 battery recycling in the automotive industries in the Greater Bay Area of China
- 2024
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Ingår i: Journal of Cleaner Production. - 0959-6526. ; 450
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Tidskriftsartikel (refereegranskat)abstract
- Amidst the swift progression and extensive use of electric vehicles, demands on lithium iron phosphate (LiFePO4) batteries have surged, leading to an imminent scarcity of raw materials for battery manufacturing. This reality heightens the needs for effective battery recycling. This study outlines an integrated evaluation approach of combining laboratory-scale pilot experiment, Monte Carlo Simulations, and Life Cycle Assessment (LCA). An optimized recycling process for LiFePO4 batteries was developed, aiming to salvage and retrieve valuable elements. The process involves lithium's selective leaching followed by subsequent lithium (Li) and iron (Fe) recovery, achieving efficient recovery rates for both Li and Fe. A novel evaluation, integrating economic and environmental aspects, was conducted by employing a direct costs/revenues approach, with the inclusion of stochastic uncertainties determined via Monte Carlo Simulation. Two scenarios are applied to the electric vehicles data of Guangzhou in 2022. The recycling strategy of spent lithium-ion batteries (LIBs) within the Greater Bay Area of China (Scenario A) could potentially save 373.2 million US$, and reduce carbon dioxide emissions by 96,850 tons, compared to manufacturing batteries from mined raw materials and long-distance transportation (Scenario B). This demonstrates the importance of localized, efficient industrial automotive chain within the Greater Bay Area, which besides being cost-effective, offers profound environmental benefits. Other important factors for the result are the efficiency of the developed hydrometallurgical process, the price of the sellable material, and the transport distance. Scenario modeling results from the developed integrating evaluation clearly reveal the significant potential of battery recycling, and the innovative integrating approach has the potential for broader applicability beyond the specific context of our study.
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