Results 71 to 80 of about 40,803,199 (245)

Domination and the arts of digital resistance in social media Creator labor [PDF]

open access: yes
This article conducts a collaborative qualitative thematic analysis of in-depth interviews with social media content creators (N = 53) based in and/or originated from the United Kingdom.
Saunders, Rebecca, Salamon, Errol
core   +1 more source

Investigating the Dynamics of Social Media Addiction and Well-Being in Jordan: An Empirical Analysis

open access: yesSocial Sciences
This study examines the complex associations among social media usage, engagement, addiction and subjective well-being. Employing a sophisticated framework that integrates both first- and second-order models, this study employs structural equation ...
Islam Habis Mohammad Hatamleh   +1 more
doaj   +1 more source

Functional comparison of EncB and EncC cargo proteins in iron storage within the Myxococcus xanthus encapsulin

open access: yesFEBS Letters, EarlyView.
Encapsulins are protein nanocompartments that play an important role in iron storage. In the Myxococcus xanthus encapsulin system, two cargo proteins called EncB and EncC contribute to iron mineralization. Here, we show that EncB and EncC generate iron‐containing minerals with distinct chemical compositions, suggesting that the composition of stored ...
Harry B. McDowell   +2 more
wiley   +1 more source

Social Media and Political Participation: A Case Study of Sunyani Municipal [PDF]

open access: yes, 2019
This study examined the factors that enable or disable citizens to use social media for political participation. The main focus was residents of Sunyani municipal, Ghana.
Djan, Prince Pepra
core  

Structural and biochemical analysis of a B12 superbinder

open access: yesFEBS Letters, EarlyView.
BtuG proteins are vitamin B12 scavengers in Bacteroides thetaiotaomicron, a dominant human gut bacterium. We present crystal structures of three BtuG homologs bound to cobalamin and its precursor cobinamide, revealing picomolar binding affinities, among the highest known for any natural protein.
Jose M. Martinez Felices   +3 more
wiley   +1 more source

The Shewanella oneidensis Fic enzyme SoFic targets the switch‐I region of EF‐Tu for AMPylation

open access: yesFEBS Letters, EarlyView.
Fic enzymes mediate diverse post‐translational modifications across all domains of life, including AMPylation. Prokaryotic EF‐Tu can be AMPylated and deAMPylated by the conserved Fic enzyme SoFic. Structural and biochemical approaches were used to characterize the effect of AMPylation on EF‐Tu, SoFic's enzymatic activities, and the enzyme‐target ...
Svenja Runge   +6 more
wiley   +1 more source

Social media and professional networking: a case of information professionals in the SCECSAL region [PDF]

open access: yes, 2012
The purpose of the study was to establish the extent to which library and information professionals in the Standing Conference of Eastern, Central and Southern Africa Library and Information Associations (SCECSAL) region are using social media ...
Chisenga, Justin, Chande-Mallya, Rehema
core   +1 more source

Social media use and social capital: Social media usage habits and perceptions of school administrators

open access: yesHeliyon
Social media allows people to spend time together online and interact and connect. The relationship between well-being and social media usage is being studied more and more because it affects many areas and is discussed from different aspects.
Bahar Urhan   +6 more
doaj   +1 more source

The association between disaster exposure and media use on post-traumatic stress disorder following Typhoon Hato in Macao, China

open access: yesEuropean Journal of Psychotraumatology, 2019
Background: Direct exposure to natural disasters and related losses are associated with post-traumatic stress disorder (PTSD). It is less clear whether indirect media exposure is associated with PTSD.
Brian J. Hall   +8 more
doaj   +1 more source

L‐aspartate oxidase provides new insights into fumarate reduction in anaerobic darkness in Synechocystis sp. PCC6803

open access: yesFEBS Letters, EarlyView.
Synechocystis strains deficient in succinate dehydrogenase (SDH) secrete more succinate than the WT under dark anaerobic conditions, supporting that SDH then primarily acts as SDH, not as a fumarate reductase. L‐aspartate oxidase (Laspo) from Synechocystis is functional under anaerobic conditions, reducing fumarate to succinate.
Kateryna Kukil   +3 more
wiley   +1 more source

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