The cell membrane, which contains a hydrophilic exterior and a hydrophobic interior, opens and closes ion channels like a water faucet and converts a physicochemical stimulus into an electrical signal that is then transmitted ...
Biotechnology
May 18, 2022
0
43
Whether it's making rash decisions or feeling grumpy, hunger can make us think and act differently—"hangry," even. But little is known about how hunger signals in the gut communicate with the brain to change behavior. Now, ...
Molecular & Computational biology
May 5, 2022
0
51
"We have been interested in the romantic life of the parasite Cryptosporidium for some time," says Boris Striepen, a scientist in Penn's School of Veterinary Medicine.
Cell & Microbiology
Apr 15, 2022
1
186
In humans and animals, catecholamines such as epinephrine, norepinephrine, and dopamine are common stress hormones. Stress can increase the body's susceptibility to bacterial infections. In the laboratory, stress hormones ...
Cell & Microbiology
Mar 7, 2022
0
45
New research published today in the Journal of Archeaological Science Reports reveals how archeologists can determine when a pot was used by Romans as a portable toilet, known as a chamber pot.
Archaeology
Feb 10, 2022
0
974
Rarely does a tool become more useful when it's broken, but that's just the case with C-glycoside, a molecule found in many plants, foods, and medicines. To be used by the body, C-glycosides must be broken down. Researchers ...
Cell & Microbiology
Nov 17, 2021
0
81
Scientists studying probiotics, beneficial bacteria that show promise for their ability to treat inflammatory bowel disease and other intestinal disorders, continue to face a problem: How to keep probiotics from getting obliterated ...
Biotechnology
Oct 14, 2021
0
107
Although it is widely used in the food, cosmetic, and pharmaceutical industries worldwide, the breakdown of carminic acid (a natural red dye extracted from insects) in nature has remained unclear. Through a combination of ...
Cell & Microbiology
Oct 5, 2021
0
20
Incretins are hormones secreted by intestinal cells that regulate pancreatic insulin and glucagon to control sugar metabolism in mammals. Although counterparts of insulin and glucagon have been identified in invertebrates, ...
Cell & Microbiology
Aug 18, 2021
0
476
In efforts to fight obesity and enhance drug absorption, scientists have extensively studied how gastric juices in the stomach break down ingested food and other substances. However, less is known about how the complex flow ...
Soft Matter
Aug 3, 2021
0
389
