Results 91 to 100 of about 42,267 (230)

Using Nanoparticle X-ray Spectroscopy to Probe the Formation of Reactive Chemical Gradients in Diffusion-Limited Aerosols. [PDF]

, 2019
For aerosol particles that exist in highly viscous, diffusion-limited states, steep chemical gradients are expected to form during photochemical aging in the atmosphere.
Ahmed, Musahid, Houle, Frances A, Jacobs, Michael I, Kostko, Oleg, Wiegel, Aaron A, Wilson, Kevin R, Xu, Bo   +6 more
core  

The cholesterol ester cycle regulates signalling complexes and synapse damage caused by amyloid-ß [PDF]

, 2017
Cholesterol is required for the formation and function of some signalling platforms. In synaptosomes, amyloid-β (Aβ) oligomers, the causative agent in Alzheimer's disease, bind to cellular prion proteins (PrPC) resulting in increased cholesterol ...
Anderson, Bate, Bate, Bate, Baxter, Bryleva, Chan, Chang, Chen, Chen, Chiarini, Chiesa, Dunkley, Gaudreault, Gilch, Giuffrida, Gocze, Gylys, Hammond, Herms, Hosie, Kaneko, Kawarabayashi, Koch, Laurén, Linden, Linetti, Lingwood, Lingwood, London, Maglio, Maxfield, Mc Donald, McLean, Montine, Moskowitz, Mouillet-Richard, Nalefski, Naslavsky, Osborne, Pani, Puglielli, Rajendran, Robinet, Ryan, Schroeder, Selkoe, Shankar, Sharma, Simons, Solforosi, Stahl, Sugiyama, Suzuki, Taraboulos, Walsh, Williamson, Yang   +57 more
core   +2 more sources

Experimental Assessment of the Effects of Substrate Choice on the Duration of Chemical Signals in Fecal Scent‐Marks of Free‐Ranging Iberian Wolves

Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, Volume 345, Issue 5, Page 462-475, June 2026.
ABSTRACT Chemical communication, typically based on feces, urine, and glandular secretions, often deposited as substrate scent marks, plays a key role in social organization and communication among many mammals, especially carnivores. This study assesses experimentally whether the type of substrate chosen for fecal deposition and the temperature ...
Elisa Espartosa, Jose Martin, Isabel Barja   +2 more
wiley   +1 more source

Surface Emissions Modulate Indoor SVOC Concentrations through Volatility-Dependent Partitioning. [PDF]

, 2020
Measurements by semivolatile thermal desorption aerosol gas chromatography (SV-TAG) were used to investigate how semivolatile organic compounds (SVOCs) partition among indoor reservoirs in (1) a manufactured test house under controlled conditions ...
Arata, Caleb, DeCarlo, Peter F, Goldstein, Allen H, Katz, Erin F, Kreisberg, Nathan, Kristensen, Kasper, Liu, Yingjun, Lunderberg, David M, Misztal, Pawel K, Nazaroff, William W, Patel, Sameer, Tian, Yilin, Vance, Marina E   +12 more
core  

Fats, Fire and Bronze Age Funerary Rites: Organic Residue Analysis of Wide Horizontal Rim Vessels From Burial Contexts in Northwest Portugal

Archaeometry, Volume 68, Issue 3, Page 298-310, June 2026.
ABSTRACT This study presents the first GC‐MS–based analyses of wide horizontal rim vessels with well‐defined funerary contexts, from Middle Bronze Age Portugal (Quinta do Amorim 2 and Pego). Organic residues from two vessels revealed ruminant fats and plant oils, alongside molecular markers of heat exposure.
João Vinícius Back, César Oliveira, Ana M. S. Bettencourt, Hugo Aluai Sampaio, Luciano Vilas Boas, Luís Gonçalves   +5 more
wiley   +1 more source

Chia (Salvia hispanica L.) oil stability: Study of the effect of natural antioxidants [PDF]

, 2017
The chia seed (Salvia hispanica L.) is globally popular and valued for its nutritional and health attributes. Chia oil is mainly composed of triglycerides, in which polyunsaturated fatty acids (PUFAs, linoleic and α-linolenic acids) are found in high ...
Bodoira, Romina Mariana, Martinez, Marcela Lilian, Penci, Maria Cecilia, Ribotta, Pablo Daniel   +3 more
core   +1 more source

Simvastatin Restores Cisplatin Sensitivity by Suppressing the Caveolin‐1‐Mediated PI3K/AKT Signaling Pathway in Cisplatin‐Resistant Cervical Cancer Cells

The FASEB Journal, Volume 40, Issue 9, 15 May 2026.
Simvastatin synergizes with cisplatin in cisplatin‐resistant cervical cancer cells through suppression of the caveolin‐1‐mediated PI3K/AKT signaling axis. ABSTRACT Cervical cancer treatment is often hindered by the emergence of cisplatin (DDP) resistance. Increasing evidence has indicated that statins possess anti‐tumor and chemosensitization potential
Yujia Zhou, Hejing Liu, Shuangjia Pan, Luyi Ruan, Jiayi Ruan, Jiaru Chen, Huihui Ji, Xueqiong Zhu   +7 more
wiley   +1 more source

The role of hypothalamus-pituitary-adrenal (HPA)-like axis in inflammatory pilosebaceous disorders [PDF]

, 2020
Skin is the largest peripheral endocrine organ and functions as a hormone target and endocrine gland. A cutaneous hypothalamus-pituitary-adrenal (HPA)-like axis enables the skin to respond to stress and regulates its steroidogenic activity.
Clark, Ashley K, Saric-Bosanac, Suzana, Shi, Vivian Y, Sivamani, Raja K   +3 more
core  

Enhanced Squalene Production by Thraustochytrium sp. RT2316-16 by Polyphenols from Barley Bagasse

Fermentation
Squalene, a hydrocarbon with several industrial applications, is obtained from plants, animals, and microorganisms. Oleaginous thraustochytrids are also potential sources of squalene.
Paris Paredes, Javiera Iturra, Carolina Shene   +2 more
doaj   +1 more source

Regulation of squalene epoxidase activity in rat liver.

Journal of Lipid Research, 1990
Regulation of squalene epoxidase activity was examined in rat hepatic microsomes. The hepatic squalene epoxidase activity was high in the dark period and low in the light period.
T Satoh, Y Hidaka, T Kamei
doaj   +1 more source