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作者:Brannon, Tiffany N.
作者单位:University of California System; University of California Los Angeles
摘要:Racism is associated with negative intergenerational (infant) outcomes. That is, racism, both perceived and structural, is linked to critical, immediate, and long- term health factors such as low birth weight and infant mortality. Antiracism-resistance to racism such as support for the Black Lives Matter (BLM) movement-has been linked to positive emotional, subjective, and mental health outcomes among adults and adolescents. To theoretically build on and integrate such past findings, the prese...
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作者:Lindsay, Melody R.; D'Angelo, Timothy; Munson-McGee, Jacob H.; Saidi-Mehrabad, Alireza; Devlin, Molly; McGonigle, Julia; Goodell, Elizabeth; Herring, Melissa; Lubelczyk, Laura C.; Mascena, Corianna; Brown, Julia M.; Gavelis, Greg; Liu, Jiarui; Yousavich, D. J.; Brehm, Scott D. Hamilton -; Hedlund, Brian P.; Lang, Susan; Treude, Tina; Poulton, Nicole J.; Stepanauskas, Ramunas; Moser, Duane P.; Emerson, David; Orcutt, Beth N.
作者单位:Bigelow Laboratory for Ocean Sciences; Nevada System of Higher Education (NSHE); Desert Research Institute NSHE; Nevada System of Higher Education (NSHE); University of Nevada Las Vegas; University System of Ohio; Oberlin College; Northeastern University; University of California System; University of California Los Angeles; Southern Illinois University System; Southern Illinois University; University of South Carolina System; University of South Carolina Columbia; University of California System; University of California Los Angeles
摘要:Rates of microbial processes are fundamental to understanding the significance of microbial impacts on environmental chemical cycling. However, it is often difficult to quantify rates or to link processes to specific taxa or individual cells, especially in environments where there are few cultured representatives with known physiology. Here, we describe the use of the redox- enzyme- sensitive molecular probe RedoxSensorTM Green to measure rates of anaerobic electron transfer physiology (i.e., ...
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作者:Zhang, Chenghao; Kundu, Sohang; Makri, Nancy; Gruebele, Martin; Wolynes, Peter G.
作者单位:University of Illinois System; University of Illinois Urbana-Champaign; University of Illinois System; University of Illinois Urbana-Champaign; University of Illinois System; University of Illinois Urbana-Champaign; University of Illinois System; University of Illinois Urbana-Champaign; Rice University; Rice University; Rice University
摘要:The ultimate regularity of quantum mechanics creates a tension with the assumption of classical chaos used in many of our pictures of chemical reaction dynamics. Out- of- time- order correlators (OTOCs) provide a quantum analog to the Lyapunov exponents that characterize classical chaotic motion. Maldacena, Shenker, and Stanford have suggested a fundamental quantum bound for the rate of information scrambling, which resembles a limit suggested by Herzfeld for chemical reaction rates. Here, we ...
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作者:Martinez-Fernandez, Irene; Fourquin, Chloe; Lindsay, Donna; Berbel, Ana; Balanza, Vicente; Huang, Shaoming; Dalmais, Marion; Lesignor, Christine; Bendahmane, Abdelhafid; Warkentin, Thomas D.; Madueno, Francisco; Ferrandiz, Cristina; Coupland, George
作者单位:Consejo Superior de Investigaciones Cientificas (CSIC); Universitat Politecnica de Valencia; CSIC-UPV - Instituto de Biologia Molecular y Celular de Plantas (IBMCP); University of Saskatchewan; Universite Paris Saclay; Universite Paris Cite; Centre National de la Recherche Scientifique (CNRS); Universite Paris Saclay; INRAE; Universite Paris Cite; Centre National de la Recherche Scientifique (CNRS); INRAE; Universite Bourgogne Europe; Institut Agro; AgroSup Dijon
摘要:Monocarpic plants have a single reproductive phase in their life. Therefore, flower and fruit production are restricted to the length of this period. This reproductive strategy involves the regulation of flowering cessation by a coordinated arrest of the growth of the inflorescence meristems, optimizing resource allocation to ensure seed filling. Flowering cessation appears to be a regulated phenomenon in all monocarpic plants. Early studies in several species identified seed production as a m...
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作者:Nasiri, Mahdi; Loran, Edwin; Liebchen, Benno
作者单位:Technical University of Darmstadt
摘要:Throughout evolution, bacteria and other microorganisms have learned efficient foraging strategies that exploit characteristic properties of their unknown environment. While much research has been devoted to the exploration of statisticalmodels describing the dynamics of foraging bacteria and other (micro-) organisms, little is known, regarding the question of how good the learned strategies actually are. This knowledge gap is largely caused by the absence of methods allowing to systematically...
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作者:Xu, Zenghui; Zhuo, La; Feng, Bianbian; Li, Meng; Wang, Wei; Huang, Hongrong; Wu, Pute
作者单位:Northwest A&F University - China; Northwest A&F University - China; Ministry of Water Resources; Chinese Academy of Sciences; Institute of Soil & Water Conservation (ISWC), CAS; Chinese Academy of Sciences; University of Chinese Academy of Sciences, CAS; Institute of Soil & Water Conservation (ISWC), CAS; Dongguan University of Technology
摘要:Corrugated packaging for express grew by 90 times to 16.5 Mt y-1 in China, where 81% of recent global express delivery growth occurred. However, the environmental impacts of production, usage, disposal, and recycling of corrugated boxes under the entire supply chain remain unclear. Here, we estimate the magnitudes, drivers, and mitigation potentials of cradle-to-grave life-cycle carbon footprint (CF) and three colors of water footprints (WFs) for corrugated cardboard packaging in China. Over 2...
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作者:Rockman, Marcy
作者单位:University System of Maryland; University of Maryland College Park
摘要:The U.S. federal government is unbalanced in its capacity to recognize, manage, and engage cultural heritage as part of its response to climate change. Legislation from the 1906 Antiquities Act to Executive Order (EO) 13990 signed in 2021 has set an overarching approach in which heritage is understood to be primarily tangible places and things that should be conserved, foremost through monument and park boundaries and significance designations. Such conservation, however, does not protect heri...
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作者:Tran -Kiem, Cecile; Bedford, Trevor
作者单位:Fred Hutchinson Cancer Center; Howard Hughes Medical Institute
摘要:Quantifying transmission intensity and heterogeneity is crucial to ascertain the threat posed by infectious diseases and inform the design of interventions. Methods that jointly estimate the reproduction number R and the dispersion parameter k have however mainly remained limited to the analysis of epidemiological clusters or contact tracing data, whose collection often proves difficult. Here, we show that clusters of identical sequences are imprinted by the pathogen offspring distribution, an...
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作者:Sacchi, Pietro; Wright, Sarah E.; Neoptolemou, Petros; Lampronti, Giulio I.; Rajagopalan, Ashwin Kumar; Kras, Weronika; Evans, Caitlin L.; Hodgkinson, Paul; Cruz-Cabeza, Aurora J.
作者单位:University of Manchester; University of Cambridge; University of Cambridge; AstraZeneca; Durham University
摘要:Organic compounds can crystallize in different forms known as polymorphs. Discovery and control of polymorphism is crucial to the pharmaceutical industry since different polymorphs can have significantly different physical properties which impacts their utilization in drug delivery. Certain polymorphs have been reported to 'disappear' from the physical world, irreversibly converting to new ones. These unwanted polymorph conversions, initially prevented by slow nucleation kinetics, are eventual...
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作者:Soliman, Shimaa Hassan AbdelAziz; Iwanaszko, Marta; Zheng, Bin; Gold, Sarah; Howard, Benjamin Charles; Das, Madhurima; Chakrabarty, Ram Prosad; Chandel, Navdeep S.; Shilatifard, Ali
作者单位:Northwestern University; Feinberg School of Medicine; Northwestern University
摘要:The release of paused RNA polymerase II (RNAPII) from promoter- proximal regions is tightly controlled to ensure proper regulation of gene expression. The elongation tor PTEF-b is known to release paused RNAPII via phosphorylation of the RNAPII C - terminal domain by its cyclin- dependent kinase component, CDK9. However, the nal and stress- specific roles of the various RNAPII- associated macromolecular complexes containing PTEF- b/CDK9 are not yet clear. Here, we identify and characterize the...