Results 31 to 40 of about 306,357 (240)

Mineral composition of Aegle marmelos (L.) corrêa ash: Exploration of its ability to mimic the function of different metalloenzymes

open access: yesChemistry of Inorganic Materials
The motivation to find functional models of different metalloenzymes comes from their potential to develop better catalysts inspired by nature. Generally, metalloenzymes can activate aerial dioxygen due to the metal ions in it.
Kousik Ghosh   +5 more
doaj   +1 more source

Developmental changes in human dopamine neurotransmission: cortical receptors and terminators

open access: yesBMC Neuroscience, 2012
Background Dopamine is integral to cognition, learning and memory, and dysfunctions of the frontal cortical dopamine system have been implicated in several developmental neuropsychiatric disorders.
Rothmond Debora A   +2 more
doaj   +1 more source

Potential Use of Apple Polyphenol Oxidase for Bioremediation of Phenolic Contaminants [PDF]

open access: yesKemija u Industriji, 2018
Phenolic compounds, such as catechol, are released into the environment from a variety of industrial sources and they present a serious ecosystem burden.
Anita Šalić   +3 more
doaj   +1 more source

Highly Sensitive Electrochemical Biosensor Based on Hairy Particles with Controllable High Enzyme Loading and Activity

open access: yesAdvanced Functional Materials, EarlyView.
For the first time, a highly sensitive electrochemical biosensor based on SiO2‐based hairy particles with a grafted PDMAEMA polymer brush containing a quantifiable and large amount of immobilized Laccase is reported. The fabricated biosensor exhibits a sensitivity of 0.14 A·m⁻¹, a limit of detection (LOD) of 0.1 µm, and a detection range of 0.3–750 µm,
Pavel Milkin   +7 more
wiley   +1 more source

Concentration of norepinephrine, serotonin, and histamine, and of amine-metabolizing enzymes in mammalian adipose tissue

open access: yesJournal of Lipid Research, 1963
The norepinephrine content of adipose tissue is shown to be very different in various animal species and different sites of origin, ranging from 0.03-1.4 μg/g. Adipose tissue also contains considerable amounts of serotonin (0.01-1.04 μg/g) and histamine (
K. Stock, E.O. Westermann
doaj   +1 more source

Citrate-Coated Platinum Nanoparticles Exhibit a Primary Particle-Size Dependent Effect on Stimulating Melanogenesis in Human Melanocytes

open access: yesCosmetics, 2020
Hypopigmentation disorders due to an underproduction of the pigment melanin by melanocytes cause uneven skin coloration, while in hair follicles they cause grey hair.
Shilpi Goenka, Jimmy Toussaint
doaj   +1 more source

Smart, Bio‐Inspired Polymers and Bio‐Based Molecules Modified by Zwitterionic Motifs to Design Next‐Generation Materials for Medical Applications

open access: yesAdvanced Functional Materials, EarlyView.
Bio‐based and (semi‐)synthetic zwitterion‐modified novel materials and fully synthetic next‐generation alternatives show the importance of material design for different biomedical applications. The zwitterionic character affects the physiochemical behavior of the material and deepens the understanding of chemical interaction mechanisms within the ...
Theresa M. Lutz   +3 more
wiley   +1 more source

Boosting LPMO-driven lignocellulose degradation by polyphenol oxidase-activated lignin building blocks

open access: yesBiotechnology for Biofuels, 2017
Background Many fungi boost the deconstruction of lignocellulosic plant biomass via oxidation using lytic polysaccharide monooxygenases (LPMOs). The application of LPMOs is expected to contribute to ecologically friendly conversion of biomass into fuels ...
Matthias Frommhagen   +10 more
doaj   +1 more source

Nanotherapies for Atherosclerosis: Targeting, Catalysis, and Energy Transduction

open access: yesAdvanced Healthcare Materials, EarlyView.
Atherosclerosis management is hindered by poor drug targeting and plaque heterogeneity. Nanotechnology overcomes these barriers via three core strategies: (1) target‐engineered nanocarriers that achieve lesion‐specific precision via ligand modification, biomimetic camouflage, stimuli‐responsive release, and self‐propelling nanomotors; (2) catalytic ...
Yuqi Yang   +4 more
wiley   +1 more source

Isolation and properties of polyphenol oxidase from basidiocarps of Lactarius pergamenus Fr. (Fr.) fungi [PDF]

open access: yesThe Ukrainian Biochemical Journal, 2015
Fresh juice of basidiocarps of Lactarius pergamenus Fr. (Fr.) fungi was subjected to ion exchange chromatography with used DEAE-toyopearl and CM-cellulose columns, as well as preparative electrophoresis in 7.5% polyacrylamide gels (pH 8.6).
M. V. Tsivinska   +2 more
doaj   +1 more source

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