Results 91 to 100 of about 8,477,906 (276)

Laporan Mei 2019 Perpustakaan Universitas Medan Area

open access: yes, 2019
66 HalamanPuji syukur kepada Allah SWT, karena atas Karunia dan Rahmat-Nya laporan bulanan Perpustakaan Universitas Medan Area Bulan Mei 2019 dapat tersusun dengan baik.
Perpustakaan, Universitas Medan Area
core   +1 more source

Protocol for quantifying miRNA trafficking across the endosomal membrane

open access: yesFEBS Open Bio, EarlyView.
An in vitro protocol measures miRNA uptake into endosomes isolated from mammalian cell extracts, which are free of subcellular contaminants. Performed at 37 °C in the presence of ATP, it ensures the import of single‐stranded miRNA into the endosomal lumen.
Syamantak Ghosh   +2 more
wiley   +1 more source

Heterogeneous nucleation and growth kinetics of struvite in anaerobic digestate: Role of diatomaceous earth as a model mineral interface

open access: yesDesalination and Water Treatment
Anaerobic digestion (AD) is widely applied for sludge stabilization and energy recovery, but its operation is often affected by phosphate scaling, particularly struvite (MgNH4PO4·6H2O) crystallization.
Zimu Li   +8 more
doaj   +1 more source

Application of the double optic probe technique to distorted tumbling bubbles in aqueous or organic liquid [PDF]

open access: yes, 2005
The optic probe technique is widely used to investigate bubble reactors. To derive values of bubble local velocities and bubble local sizes, a specific signal treatment is usually applied under severe assumptions for bubble path and shape.
Billet, Anne-Marie   +4 more
core   +1 more source

Heterotropic regulation and negative homotropic cooperativity

open access: yesFEBS Open Bio, EarlyView.
We identified a structural module common to some proteins that couple negative cooperativity with heterotropic regulation, two features that rarely coexist. These proteins are ring‐like and present an ordered asymmetry whereby noncontacting subunits are symmetric, and their tertiary structure differs from that of contacting subunits.
Veronica Morea   +5 more
wiley   +1 more source

Avidin is evolutionarily conserved in fish but dispensable for development and resistance against Streptococcus agalactiae in zebrafish

open access: yesFEBS Open Bio, EarlyView.
The presence of biotin‐binding avidin proteins in fish and their biological significance are poorly characterized. We cataloged fish avidins and demonstrate that they are widely present and evolutionarily conserved. We created avd knockout zebrafish and show that zebavidin is dispensable for development and that resistance of avd knockout embryos in ...
Anni K. Saralahti   +5 more
wiley   +1 more source

Laporan Januari 2019 Perpustakaan Universitas Medan Area

open access: yes, 2019
68 HalamanPuji syukur kepada Allah SWT, karena atas Karunia dan Rahmat-Nya laporan bulanan Perpustakaan Universitas Medan Area Bulan Januari 2019 dapat tersusun dengan baik.
Perpustakaan, Universitas Medan Area
core   +1 more source

Insight into the evolution of voids in TiBw-reinforced titanium matrix composites during isothermal compression

open access: yesJournal of Materials Research and Technology
The evolution of two distinct void types formed during isothermal compression of Ti55-TiBw composites in the α+β region was systematically investigated through quantitative analysis from various deformation parameters and deformation regions. The results
Zhiyuan Du   +3 more
doaj   +1 more source

Adsorption and Interfacial Properties of the Cationic Gemini Surfactant of Ethanediyl-α,β-Bis(Cetyldimethylammonium Bromide)

open access: yesAdsorption Science & Technology, 2003
The cationic gemini surfactant ethanediyl-α,β-bis(cetyldimethylammonium bromide (16-2-16) was synthesized and characterized. Aggregation of the surfactant molecules was established by surface tension measurements and viscosity methods. Some thermodynamic
Wen-Sheng Liao, Zhi-Chu Bi
doaj   +1 more source

Structural and biochemical insights into the thermostable esterase Ta0887 from Thermoplasma acidophilum

open access: yesFEBS Open Bio, EarlyView.
In this study, a novel esterase from the thermoacidophilic archaeon Thermoplasma acidophilum was biochemically and structurally characterized. Our results demonstrate that Ta0887 is a highly thermostable esterase that preferentially hydrolyzes p‐nitrophenyl hexanoate and possesses an α‐helical cap domain that likely contributes to its substrate ...
Alejandro Delgado‐Rey   +4 more
wiley   +1 more source

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