Results 71 to 80 of about 6,174,975 (303)

Modified Frost formula for the mobilities of positive ions in their parent gases

open access: yesAIP Advances, 2019
A modification to the semi-empirical Frost formula for the mobilities of singly charged positive ions in their parent gases is proposed. The modified expression demonstrates excellent agreement with experimental results for different ionized rare gases ...
Sergey A. Khrapak, Alexey G. Khrapak
doaj   +1 more source

Profiling neoadjuvant therapy response in rectal cancer using meta‐analysis of publicly available transcriptomic RNA‐seq datasets

open access: yesMolecular Oncology, EarlyView.
This study integrates publicly available transcriptomic datasets to identify molecular signatures associated with response to neoadjuvant chemoradiotherapy in locally advanced rectal cancer. By analyzing a combination of multiple cohorts with bioinformatics approaches, we reveal biological pathways and immune‐related features that may improve ...
Aleksandra Stanojevic   +10 more
wiley   +1 more source

Extracellular vesicle lipidomics liquid biopsy reveals systemic and tumor microenvironment metabolic reprogramming in ovarian cancer

open access: yesMolecular Oncology, EarlyView.
Extracellular vesicle (EV) lipidomic profiling of plasma and ascites from patients with high‐grade serous ovarian cancer and of ovarian cancer cell lines reveals enrichment of triglycerides (TGs), diacylglycerols (DGs), phosphatidylcholine (PCs), sphingomyelins (SMs), reflecting tumor metabolic reprogramming.
Shikha Rani   +9 more
wiley   +1 more source

p190A/ARHGAP35 and p190B/ARHGAP5 proteins in endometrial cancer: a novel cancer‐relevant paralog interplay

open access: yesMolecular Oncology, EarlyView.
This study identifies ARHGAP5, in addition to the frequently mutated ARHGAP35, as significantly mutated in endometrial cancer. Mutations in both genes co‐occur and are associated with their correlated downregulation. Functional CRISPR studies show that both paralogs regulate similar pathways, including actin cytoskeleton organization.
Mathilde Pinault   +12 more
wiley   +1 more source

Betaine (trimethylammonioacetate) binary compound with sodium iodide

open access: yesIUCrData, 2018
In the title compound, catena-poly[[[bis[2-(trimethylazaniumyl)acetato-κO]sodium]-di-μ-aqua-[diaquasodium]-di-μ-aqua] diiodide], {[Na2(C5H11NO2)2(H2O)6]I2}n, both Na+ ions have distorted octahedral environments (coordination number 6).
Alexander Y. Nazarenko
doaj   +1 more source

Extracellular matrix remodeling and immune reprogramming drive residual tumor progression of liver cancer after incomplete microwave ablation

open access: yesMolecular Oncology, EarlyView.
Incomplete microwave ablation (iMWA) of liver cancer triggers a biphasic progression in residual tumors. At Day 3, the microenvironment is characterized by acute inflammatory responses and extracellular matrix (ECM) remodeling. By Day 14, a profound shift occurs toward oncogenic signal transduction and immunosuppression, marked by macrophage ...
Yu Liu   +9 more
wiley   +1 more source

Ion Mobility Spectrometer for Rapid Simultaneous Detection of Positive and Negative Ions [PDF]

open access: yes, 2015
Access full text - https://doi.org/10.1007/978-981-287-736-9_121Ion Mobility Spectrometry (IMS) is a common technology used for rapid detection of trace amounts of explosives (mostly forming negative ions) and drugs (forming positive ions).
MALKIN, E.   +21 more
core   +1 more source

Intensity of Mercury Lines Excited by Positive Ions [PDF]

open access: yes, 1929
Observations were made concerning the intensity of lines of the mercury spectrum as excited by positive ions. The results were compared with corresponding data on the electron spectrum given by previous observers.
Frische, C.
core   +1 more source

Mutant p53R273H disrupts PDPK1 homodimerization and contributes to PDPK1 activation

open access: yesMolecular Oncology, EarlyView.
How mutant p53R273H drives AKT signaling is unclear. We show that p53R273H, but not wild‐type, directly binds PDPK1 via a mutation‐dependent conformational change. This interaction disrupts inhibitory PDPK1 homodimerization and enhances AKT phosphorylation.
Mei Chee Lim   +11 more
wiley   +1 more source

Emission of positive ions from hot graphite surfaces

open access: yes, 2001
Significant numbers of positive ions were found to emanate from positively biased graphite samples raised to temperatures greater than 800°C. The ions were mass and energy analyzed and the relative number of ions as a function of temperature and of ...
Lozano, Juan Antonio
core   +1 more source

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