Results 251 to 260 of about 148,650 (305)

Nature's Nanotech Warriors: The Role of Metalloproteins and Protein Cages for Environmental Remediation

open access: yesAdvanced Sustainable Systems, Volume 10, Issue 6, June 2026.
Cartoon representation of five major classes of metalloproteins and their brief mechanisms of bioremediation. The five classes include metallothioneins, metal‐precipitating enzymes, P.‐type ATPases, protein cages, and synthetic metalloproteins (de novo‐designed proteins/peptides for selective adsorption). These natural and engineered protein structures
Sian D'Silva   +2 more
wiley   +1 more source

Ultrasound-assisted recovery of humic substances from municipal digestate using response surface methodology. [PDF]

open access: yesUltrason Sonochem
Shiju SG   +4 more
europepmc   +1 more source

Comparative validation of intraoperative ultrasound versus intraoperative cholangiography for the detection of choledocholithiasis. [PDF]

open access: yesLangenbecks Arch Surg
Tresierra L   +5 more
europepmc   +1 more source

Biliary Sludge

Annals of Internal Medicine, 1999
Biliary sludge was first described with the advent of ultrasonography in the 1970s. It is defined as a mixture of particulate matter and bile that occurs when solutes in bile precipitate. Its composition varies, but cholesterol monohydrate crystals, calcium bilirubinate, and other calcium salts are the most common components.
Sekijima, JH, Ko, CW, Lee, SP
openaire   +3 more sources

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