24 research outputs found

    Fashion and Sustainability: Consumption and Shared Responsibility

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    Indulgence in fashion has been indispensable in modern societies, as it is a crucial device for self-image and identity construction. With the advanced technology and globalization of production, the fashion industry has skewed towards fast fashion, making the latest trends available to mass consumers at affordable prices. This research aims to examine how Chinese consumers perceive sustainable consumption in the context of fashion. We endeavor to explore the factors that influence the engagement of sustainable consumption. This study aims not to argue whether sustainable fashion should mobilize or replace the current fashion system but to provide evidence on consumers\u27 perception of sustainability and explore potential factors influencing sustainable behavior

    Finishing the euchromatic sequence of the human genome

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    The sequence of the human genome encodes the genetic instructions for human physiology, as well as rich information about human evolution. In 2001, the International Human Genome Sequencing Consortium reported a draft sequence of the euchromatic portion of the human genome. Since then, the international collaboration has worked to convert this draft into a genome sequence with high accuracy and nearly complete coverage. Here, we report the result of this finishing process. The current genome sequence (Build 35) contains 2.85 billion nucleotides interrupted by only 341 gaps. It covers ∼99% of the euchromatic genome and is accurate to an error rate of ∼1 event per 100,000 bases. Many of the remaining euchromatic gaps are associated with segmental duplications and will require focused work with new methods. The near-complete sequence, the first for a vertebrate, greatly improves the precision of biological analyses of the human genome including studies of gene number, birth and death. Notably, the human enome seems to encode only 20,000-25,000 protein-coding genes. The genome sequence reported here should serve as a firm foundation for biomedical research in the decades ahead

    Elucidating the biochemical basis of trans‐16:1 fatty acid change in leaves during cold acclimation in wheat

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    Abstract In plant cells, phosphatidylglycerol (PG) in the chloroplast has a characteristic trans‐∆3‐hexadecenoic acid (t16:1) at the sn‐2 position. The t16:1 content in wheat leaf tissues decreases during cold treatment, but the significance of this fatty acid compositional change and the underlying biochemical mechanism remains poorly understood. Using a large collection of wheat cultivars displaying a varying capacity of freezing tolerance, we show for the first time under field conditions that this low temperature induced t16:1 change is associated with winter hardiness. To explore the metabolic mechanism responsible for the reduction of t16:1, we performed detailed lipid analysis and comparative transcriptome study with four selected wheat lines under cold acclimation. Our results show that wheat leaf tissues experience a gradual decrease in chloroplast lipid pathway activity during cold acclimation and that the decline in chloroplast lipid synthesis manifests itself in the decrease of t16:1 in PG. Comparative RNA‐seq analyses with leaf tissues further reveal concerted transcriptome shifts indicating a rebalancing of chloroplast and cytosolic lipid synthesis during cold acclimation. Our study, thus, provides mechanistic understanding on chloroplast lipid adjustments as a “molecular ideotype” and the t16:1 change as a specific metabolite marker for screening freezing tolerance in wheat

    Work functions of pristine and alkali-metal intercalated carbon nanotubes and bundles

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    The work functions (WF) of single-walled carbon nanotubes and bundles are studied using first principles methods. For individual metallic tubes, the WF is independent of the chirality and increase slightly with tube diameter. For semiconducting tubes, the WF (as defined by the HOMO energy) decreases rapidly. The WF of nanotube bundles (\sim 5 eV) shows no clear dependence on the tube size and chirality, slightly higher than individual tubes. Calculations on finite tubes show no substantial difference in the tube end and the side wall. Upon alkali-metal intercalation, the WF decreases dramatically and the electronic states near the Fermi level are significantly modified. The metallic and semiconducting nanotubes bundles become indistinguishable.Comment: 14 pages, 4 figure
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