Results 1 to 10 of about 1,579,553 (292)

Solid-phase excitation-emission matrix spectroscopy for chemical analysis of combustion aerosols.

open access: goldPLoS ONE, 2021
Exposure to ultrafine combustion aerosols such as particulate matter (PM) from residential woodburning, forest fires, cigarette smoke, and traffic emission have been linked to adverse health outcomes.
Gaurav Mahamuni   +7 more
doaj   +3 more sources

Characterizing the Urban Mine—Challenges of Simplified Chemical Analysis of Anthropogenic Mineral Residues [PDF]

open access: yesResources, 2019
Anthropogenic mineral residues are characterized by their material complexity and heterogeneity, which pose challenges to the chemical analysis of multiple elements.
Paul Martin Mählitz   +8 more
doaj   +3 more sources

Ordinal analysis applied to the results of positive matrix factorization of chemical ionization mass spectrometry data

open access: goldMethodsX, 2020
As an innovative analytical approach ordinal analysis is applied to positive matrix factorization (PMF) analysis outputs to identify the most important species and factors in chemical ionization mass spectrometry (CIMS) data. The procedure and outcome of
Xiangrui Kong, Jan B.C. Pettersson
doaj   +2 more sources

Cold Atmospheric Plasma Attenuates Breast Cancer Cell Growth Through Regulation of Cell Microenvironment Effectors

open access: yesFrontiers in Oncology, 2022
Breast cancer exists in multiple subtypes some of which still lack a targeted and effective therapy. Cold atmospheric plasma (CAP) has been proposed as an emerging anti-cancer treatment modality.
Christos A. Aggelopoulos   +7 more
doaj   +1 more source

ESR2 Drives Mesenchymal-to-Epithelial Transition in Triple-Negative Breast Cancer and Tumorigenesis In Vivo

open access: yesFrontiers in Oncology, 2022
Estrogen receptors (ERs) have pivotal roles in the development and progression of triple-negative breast cancer (TNBC). Interactions among cancer cells and tumor microenvironment are orchestrated by the extracellular matrix that is rapidly emerging as ...
Zoi Piperigkou   +8 more
doaj   +1 more source

Enhancing the solvent resistance and thermomechanical properties of thermoplastic acrylic polymers and composites via reactive hybridisation

open access: yesMaterials & Design, 2021
This work demonstrates the use of an engineering thermoplastic, poly(phenylene ether) (PPE) to enhance the solvent resistance and thermomechanical properties of liquid acrylic resin-based composites by a reactive hybridisation route.
Winifred Obande   +5 more
doaj   +1 more source

The Wnt-specific astacin proteinase HAS-7 restricts head organizer formation in Hydra

open access: yesBMC Biology, 2021
Background The Hydra head organizer acts as a signaling center that initiates and maintains the primary body axis in steady state polyps and during budding or regeneration.
Berenice Ziegler   +14 more
doaj   +1 more source

miR-200b restrains EMT and aggressiveness and regulates matrix composition depending on ER status and signaling in mammary cancer

open access: yesMatrix Biology Plus, 2020
Secreted microRNAs (miRNAs) reside in a complex regulatory network with extracellular matrix (ECM) macromolecules, which affect cell-cell communication, therefore miRNA expression highlights its significance in several aspects of human diseases ...
Zoi Piperigkou   +4 more
doaj   +1 more source

Characterization of Surface Modified Phoenix sp. Fibers for Composite Reinforcement

open access: yesJournal of Natural Fibers, 2021
This paper reports the morphological, physical, chemical, mechanical and thermal properties of untreated and various chemically treated natural fibers extracted from the petioles of the Phoenix sp. plants.
G. Rajeshkumar
doaj   +1 more source

Dexamethasone-loaded zeolitic imidazolate frameworks nanocomposite hydrogel with antibacterial and anti-inflammatory effects for periodontitis treatment

open access: yesMaterials Today Bio, 2022
Periodontitis is a bacterial-induced, chronic inflammatory disease characterized by progressive destruction of tooth-supporting structures. Pathogenic bacteria residing in deep periodontal pockets after traditional manual debridement can still lead to ...
Ning Li   +8 more
doaj   +1 more source

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