Results 21 to 30 of about 99,974 (260)

Phylogenomic study of Burkholderia glathei-like organisms, proposal of 13 novel Burkholderia species and emended descriptions of Burkholderia sordidicola, Burkholderia zhejiangensis, and Burkholderia grimmiae [PDF]

open access: yes, 2016
Partial gyrB gene sequence analysis of 17 isolates from human and environmental sources revealed 13 clusters of strains and identified them as Burkholderia glathei Glade (BGC) bacteria.
Cooper, Vaughn S   +5 more
core   +3 more sources

Vomocytosis: Too Much Booze, Base, or Calcium? [PDF]

open access: yes, 2019
Macrophages are well known for their phagocytic activity and their role in innate immune responses. Macrophages eat non-self particles, via a variety of mechanisms, and typically break down internalized cargo into small macromolecules.
Aaron   +98 more
core   +2 more sources

Erythrocytes as Carriers of Therapeutic Enzymes. [PDF]

open access: yes, 2020
Therapeutic enzymes are administered for the treatment of a wide variety of diseases. They exert their effects through binding with a high affinity and specificity to disease-causing substrates to catalyze their conversion to a non-noxious product, to ...
Bax, BE
core   +1 more source

Electrochemically induced precipitation enables fresh urine stabilization and facilitates source separation [PDF]

open access: yes, 2020
Source separation of urine can enable nutrient recycling, facilitate wastewater management, and conserve water. Without stabilization of the urine, urea is quickly hydrolyzed into ammonia and (bi)carbonate, causing nutrient loss, clogging of collection ...
Clauwaert, Peter   +4 more
core   +1 more source

Pemurnian Parsial dan Karakterisasi Urease dari Biji Kacang Panjang (Vigna unguiculata subsp sesquipedalis L.)

open access: yesAlchemy, 2018
Urease merupakam enzim yang digunakan dalam hidrolisis urea menjadi amoniak dan asam bikarbonat dan telah banyak digunakan dalam proses industri. Tujuan penelitian adalah isolasi dan pemurnian urease dari kacang panjang serta karakterisasinya. Penelitian
Zusfahair Zusfahair   +3 more
doaj   +1 more source

Evaluation of purified urease activity from Proteus mirabilis using iron oxide nanoparticles and measurement of urea concentration in blood [PDF]

open access: yesEngineering and Technology Journal, 2018
The activity of urease purified from Proteus mirabilis bacteria wasestimated using gamma iron oxide nanoparticles (γ-Fe2O3) which were obtained asstandard in size (20- 40)nm, purity 99%. The enzyme activity was estimated byincubating the pure enzyme with
Hadeel Dawud, Entesar Ali
doaj   +1 more source

High-sensitivity microfluidic calorimeters for biological and chemical applications [PDF]

open access: yes, 2009
High-sensitivity microfluidic calorimeters raise the prospect of achieving high-throughput biochemical measurements with minimal sample consumption. However, it has been challenging to realize microchip-based calorimeters possessing both high sensitivity
B. W. Axelrod   +13 more
core   +3 more sources

The effect of three urease inhibitors on H. pylori viability, urease activity and urease gene expression

open access: yesFrontiers in Microbiology
BackgroundTreatment of Helicobacter pylori (H. pylori) infections is challenged by antibiotic resistance. The urease enzyme contributes to H. pylori colonization in the gastric acidic environment by producing a neutral microenvironment.
Hanaa Shaalan   +3 more
doaj   +1 more source

NQS-Doped PDMS Solid Sensor: From Water Matrix to Urine Enzymatic Application

open access: yesBiosensors, 2021
The development of in situ analytical devices has gained outstanding scientific interest. A solid sensing membrane composed of 1,2-naphthoquinone-4-sulfonate (NQS) derivatizing reagent embedded into a polymeric polydimethylsiloxane (PDMS) composite was ...
Adrià Martínez-Aviñó   +5 more
doaj   +1 more source

Inhibitors of bacterial and plants urease [PDF]

open access: yes, 2013
Urease is an important virulence factor for Helicobacter pylori and Proteus mirabilis as well as in environmental transformations of certain nitrogenous compounds.
Macegoniuk, Katarzyna
core   +1 more source

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