Results 31 to 40 of about 53,095 (341)

A novel assay reveals the blockade of esterases by piperonyl butoxide

open access: yes, 2008
BACKGROUND: Conventional in vitro assays sometimes fail to reveal esterase inhibition by piperonyl butoxide (PBO), although synergism studies suggest loss of esterase-mediated sequestration of insecticide does take place.
Field, L. M.   +7 more
core   +1 more source

Esterases as emerging biocatalysts: mechanistic insights, genomic and metagenomic, immobilization, and biotechnological applications [PDF]

open access: yes, 2021
Esterase enzymes are a family of hydrolases that catalyze the breakdown and formation of ester bonds. Esterases have gained a prominent position in today's world's industrial enzymes market.
Sher, F   +6 more
core   +1 more source

Identifying transcription factors controlling the basal expression of human MRP4 highlights a substantial role for Sp1

open access: yesFEBS Open Bio, EarlyView.
The MRP4 transporter exports several drugs and signaling molecules. Here, we identified key promoter elements regulating basal MRP4 expression. Using reporter assays, we defined a conserved region with essential Sp1 and contributory Ets sites, which controlled basal MRP4 expression.
Debora Singer   +7 more
wiley   +1 more source

Xenobiotic-hydrolysing esterases from crops and Arabidopses: characterisation of a S-formylglutathione hydrolase [PDF]

open access: yes, 2003
Esterases represent an ancient family of enzymes, found across all kingdoms, which have diverged and occupied a wide range of functional niches. Because of their biochemical diversity and electrophoretic variability, esterases are widely used as genetic ...
Kordić, Sandra
core  

Rheumatologic Manifestations of Patients With Type B Insulin Resistance

open access: yesArthritis Care &Research, EarlyView.
Objective The objectives of this study were to identify laboratory and clinical features associated with type B insulin resistance (TBIR), a rare condition caused by autoantibodies that inhibit the insulin receptor, most frequently occurring in the setting of systemic lupus erythematosus (SLE), and to increase awareness of this rare, life‐threatening ...
S. Amara Ogbonnaya   +4 more
wiley   +1 more source

Effect of phenobarbital on inducing insecticide tolerance and esterase changes in Aedes aegypti (Diptera: Culicidae)

open access: yesGenetics and Molecular Biology, 2004
The effect of phenobarbital (PB) on the induction of tolerance to the organophosphorous insecticide temephos (TE) was investigated in Aedes aegypti L4 larvae submitted to two different PB-treatments:(1) continuous treatment from the egg to the larval L4 ...
Rita de Cássia Sousa-Polezzi   +1 more
doaj   +1 more source

Distinction between ‘A’-esterases and arylesterases. Implications for esterase classification [PDF]

open access: yesBiochemical Journal, 1987
‘A’-esterase activities (substrates paraoxon and pirimiphos-methyloxon) and arylesterase activities (substrate phenyl acetate) were assayed in the sera of 14 species of birds representing seven different orders and 11 species of mammal representing five different orders.
M I, Mackness   +3 more
openaire   +2 more sources

HISTOCHEMISTRY OF HUMAN ESTERASES

open access: yes, 1955
Enzymatic distribution patterns of human esterases were studied by the use of a number of substrates and of activator and inhibitor substances. On the basis of their sensitivity to effector substances, human esterases can be classified in three large ...
GEORGE GOMORI
core   +1 more source

Carbohydrate Esterases.

open access: yes, 2013
Carbohydrate Esterases.
Colleen Drinkwater (224147)   +2 more
core   +1 more source

IN4MER Biomaterial Ink: A Phosphorescent Biosensing Biomaterial Ink for Multiple Analytes (Glucose, Lactate, Oxygen) Measurements and Temperature Sensing Applications

open access: yesAdvanced Functional Materials, EarlyView.
Multianalyte, real‐time monitoring of bioprinted scaffolds remains challenging. Phosphorescence‐lifetime–based, optically responsive microparticles are embedded in diverse printable hydrogels (κ‐carrageenan, GelMA, PEGDA) to form biomaterial inks that report oxygen, glucose, lactate, and temperature.
Waqas Saleem   +11 more
wiley   +1 more source

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