Results 41 to 50 of about 4,691,044 (326)

Efficient and durable uranium extraction from uranium mine tailings seepage water via a photoelectrochemical method

iScience, 2021
Summary: Current photocatalytic uranium (U) extraction methods have intrinsic obstacles, such as the recombination of charge carriers, and the deactivation of catalysts by extracted U. Here we show that, by applying a bias potential on the photocatalyst,
Yin Ye, Jian Jin, Yanru Liang, Zemin Qin, Xin Tang, Yanyue Feng, Miao Lv, Shiyu Miao, Cui Li, Yanlong Chen, Fan Chen, Yuheng Wang   +11 more
doaj  

Decoding the dual role of autophagy in cancer through transcriptional and epigenetic regulation

FEBS Letters, EarlyView.
Transcriptional and epigenetic regulation controls autophagy, which exerts context‐dependent effects on cancer: Autophagy suppresses tumorigenesis by maintaining cellular homeostasis or promotes tumor progression by supporting survival under stress. In this “In a Nutshell” article, we explore the intricate mechanisms of the dual function of autophagy ...
Young Suk Yu, Ik Soo Kim, Sung Hee Baek
wiley   +1 more source

A QUÍMICA AMBIENTAL NO BRASIL NOS 40 ANOS DA SBQ

Química Nova
This paper aims to present an overview of the ongoing of the Brazilian environmental chemistry over the last forty years inserted in the context of the Brazilian Chemical Society (SBQ).
Maria C. Canela, Anne H. Fostier, Marco T. Grassi   +2 more
doaj   +1 more source

Direct air capture of CO2 – topological analysis of the experimental electron density (QTAIM) of the highly insoluble carbonate salt of a 2,6-pyridine-bis(iminoguanidine), (PyBIGH2)(CO3)(H2O)4

IUCrJ, 2019
Chemical bonding and all intermolecular interactions in the highly insoluble carbonate salt of a 2,6-pyridine-bis(iminoguanidine), (PyBIGH2)(CO3)(H2O)4, recently employed in the direct air capture of CO2 via crystallization, have been analyzed within the
Christopher G. Gianopoulos, Zhijie Chua, Vladimir V. Zhurov, Charles A. Seipp, Xiaoping Wang, Radu Custelcean, A. Alan Pinkerton   +6 more
doaj   +1 more source

Environmental Toxicology and Chemistry

Environmental Toxicology and Chemistry
Two releases from steam assisted gravity drainage (SAGD) wellheads occurred 3 yr apart. To track recovery of the affected areas, red‐backed voles were studied 1 and 4 yr later, using population estimates, hepatic detoxification effort, body condition ...
Judit E. G. Smits, Greg Sanders, Michael Charleboisb   +2 more
semanticscholar   +1 more source

Environmental Chemistry and Chemical Ecology of "Green Tide" Seaweed Blooms.

Integrative and Comparative Biology, 2015
Green tides are large growths or accumulations of green seaweeds that have been increasing in magnitude and frequency around the world. Because green tides consist of vast biomasses of algae in a limited area and are often seasonal or episodic, they go ...
K. V. Van Alstyne, T. Nelson, R. Ridgway
semanticscholar   +1 more source

Autophagy in cancer and protein conformational disorders

FEBS Letters, EarlyView.
Autophagy plays a crucial role in numerous biological processes, including protein and organelle quality control, development, immunity, and metabolism. Hence, dysregulation or mutations in autophagy‐related genes have been implicated in a wide range of human diseases.
Sergio Attanasio
wiley   +1 more source

Environmental chemistry is the importance of chemistry to the environment

Arabian Journal of Chemistry, 2014
Environmental Chemistry is the Importance of Chemistry to the EnvironmentFalah H. HusseinPII: S1878-5352(13)00377-8DOI: http://dx.doi.org/10.1016/j.arabjc.2013.11.007Reference: ARABJC 1157To appear in: Arabian Journal of ChemistryPlease cite this article as: F.H. Hussein, Environmental Chemistry is the Importance of Chemistry to theEnvironment, Arabian
openaire   +2 more sources

A stepwise emergence of evolution in the RNA world

FEBS Letters, EarlyView.
How did biological evolution emerge from chemical reactions? This perspective proposes a gradual scenario of self‐organization among RNA molecules, where catalytic feedback on random mixtures plays the central role. Short oligomers cross‐ligate, and self‐assembly enables heritable variations. An event of template‐externalization marks the transition to
Philippe Nghe
wiley   +1 more source

Comparative Analysis between Ecotoxicity of Nitrogen-, Phosphorus-, and Potassium-Based Fertilizers and Their Active Ingredients

Toxics, 2016
This study aimed to analyze the ecotoxicity of nitrogen-, phosphorus-, and potassium-based compounds to organisms of two different trophic levels in order to compare the toxic effect between high-purity substances and these substances as components of ...
Nathan de Castro Soares Simplício, Daphne Heloísa de Freitas Muniz, Fernanda Regina Moreira Rocha, Denis Cavalcanti Martins, Zélia Malena Barreira Dias, Bruno Pereira da Costa Farias, Eduardo Cyrino Oliveira-Filho   +6 more
doaj   +1 more source