Results 81 to 90 of about 61,037 (279)

Identification of Trenbolone Metabolites Using Hydrogen Isotope Ratio Mass Spectrometry and Liquid Chromatography/High Accuracy/High Resolution Mass Spectrometry for Doping Control Analysis

open access: yesFrontiers in Chemistry, 2020
Trenbolone is a synthetic anabolic-androgenic steroid, which has been misused for performance enhancement in sports. The detection of trenbolone doping in routine sports drug testing programs is complex as methods utilizing gas chromatography/mass ...
Marlen Putz, Thomas Piper, Mario Thevis
doaj   +1 more source

Glucuronic Acid Formation in Epiphyseal Cartilage Homogenate [PDF]

open access: yesNature, 1957
IN a previous communication1 the formation of hexosamine in epiphyseal cartilage homogenate of young rabbits was reported.
A A, CASTELLANI   +2 more
openaire   +2 more sources

Co-axial wet-spinning in 3D Bioprinting: state of the art and future perspective of microfluidic integration [PDF]

open access: yes, 2019
Nowadays, 3D bioprinting technologies are rapidly emerging in the field of tissue engineering and regenerative medicine as effective tools enabling the fabrication of advanced tissue constructs that can recapitulate in vitro organ/tissue functions ...
Barbetta, Andrea   +3 more
core   +1 more source

Characterisation of a phylogenetically distinct PL25 family ulvan lyase from a seaweed biomass enriched metagenome

open access: yesThe FEBS Journal, EarlyView.
Ulvan is a polysaccharide available from green seaweed with beneficial properties for various applications. The full potential of ulvan requires enzymatic degradation of the polymer, thus producing ulvan oligosaccharides. This study expands the armoury of characterised ulvan lyases.
Andrius Jasilionis   +8 more
wiley   +1 more source

Penetration enhancement effects of topically applied crosslinked hyaluronic acid

open access: yesInternational Journal of Cosmetic Science, EarlyView.
Cross‐linked hyaluronic acid (HA) was demonstrated to enhance the topical delivery of a variety of hydrophilic actives into the skin. This phenomenon was observed for both small molecules and macromolecules, the latter of which was analysed with MALDI mass spectrometry imaging (MALDI‐MSI).
Aaron Cohen   +7 more
wiley   +1 more source

Loss-of-function mutations in UDP-Glucose 6-Dehydrogenase cause recessive developmental epileptic encephalopathy

open access: yesNature Communications, 2020
UDP-glucuronic acid is a component of the extracellular matrix. Here, the authors report biallelic variants in the gene encoding UDP-Glucose 6-Dehydrogenase (UGDH) in individuals affected by developmental epileptic encephalopathies that impair UGDH ...
Holger Hengel   +84 more
doaj   +1 more source

Comparison of Human and Canine P‐Glycoprotein Substrates at R, P, and H Binding Sites

open access: yesJournal of Veterinary Pharmacology and Therapeutics, EarlyView.
ABSTRACT P‐glycoprotein (P‐gp) greatly impacts substrate drug disposition, so much so that regulatory agencies recommend ascertaining the P‐gp status of active pharmaceutical ingredients (APIs) intended for human use. Arguably, the P‐gp status of drugs intended for canine patients is equally, if not more, important.
Neal S. Burke, Katrina L. Mealey
wiley   +1 more source

Chemical structure and antioxidant activity of a new exopolysaccharide produced from Micrococcus luteus

open access: yesJournal of Genetic Engineering and Biotechnology, 2014
An exopolysaccharide (EPS) reaching a maximum of 13 g/L was isolated from Micrococcus luteus by ethanol precipitation. The crude EPS was purified by chromatography on DEAE-cellulose and Sephacryl S-200, affording a polysaccharide active fraction (AEP ...
Mohsen Mohamed Selim Asker   +3 more
doaj   +1 more source

Studies on Bile Pigments VIII. A Form of Direct Reacting Bilirubins Appearing in Jaundiced Urine [PDF]

open access: yes, 1957
Separation of the urinary ester-form bilirubin was attempted, and the results obtained may be summarized as follows: 1. A brown pigment was obtained from jaundiced urine by the following procedures; namely, salting out, methanol extraction, chloroform ...
Hirano, Hiroshi   +5 more
core   +1 more source

Glucuronoyl Esterase of Pathogenic Phanerochaete carnosa Induces Immune Responses in Aspen Independently of Its Enzymatic Activity

open access: yesPlant Biotechnology Journal, EarlyView.
ABSTRACT Microbial enzymes expressed in plants add new functionalities but occasionally trigger undesirable immune responses. Phanerochaete carnosa glucuronoyl esterase (PcGCE) hydrolyses the bond between lignin and 4‐O‐methyl‐α‐D‐glucuronic acid substituent of glucuronoxylan.
Evgeniy N. Donev   +15 more
wiley   +1 more source

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