Results 51 to 60 of about 250,229 (301)

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

open access: yesFEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li   +2 more
wiley   +1 more source

Analysis of the textural characteristics and pore size distribution of a commercial zeolite using various adsorption models [PDF]

open access: yes, 2011
Analysis of the textural characteristics and pore size distribution of a commercial zeolite (Sigma Aldrich, product No. 96096) have been conducted experimentally using a surface analyzer by measuring the N2 adsorption isotherm at 77 K. The resulting data
Musa, M.A.A., Savory, R.M., Yin, C-Y
core   +1 more source

Synthesis and characterization of size-selective nanoporous polymeric adsorbents for blood purification. [PDF]

open access: yes, 2009
Crosslinked polystyrene co-divinylbenzene adsorbent microspheres with median diameters between 40 and 300 μm, with an enhanced proportion of mesopores in the range 4–10 nm, have been synthesized using a membrane emulsification technique.
Trochimczuk, Andrzej W.   +29 more
core   +1 more source

Miocene reservoir rocks: pore throat size distribution as a strong controller on petrophysical attributes is a reflection of facies change

open access: yesJournal of Petroleum Exploration and Production Technology, 2017
Pore throat size distribution (PSD) is considered a finger print for each rock type and has strong effects on many petrophysical parameters, so a comparative study was done on irregular subsurface rock samples that belong to Kareem and Rudeis Formations ...
Osama M. Elnaggar, Mostafa G. Temraz
doaj   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

Cohesiveness tunes assembly and morphology of FG nucleoporin domain meshworks – Implications for nuclear pore permeability [PDF]

open access: yes, 2013
Nuclear pore complexes control the exchange of macromolecules between the cytoplasm and the nucleus. A selective permeability barrier that arises from a supramolecular assembly of intrinsically unfolded nucleoporin domains rich in phenylalanine-glycine ...
Frey, S.   +16 more
core   +1 more source

Model for soil-water characteristic curve considering grain-size distribution and deformation of soils

open access: yesYantu gongcheng xuebao
The particle-size distribution (PSD) of soils has been widely used in the estimation of soil-water characteristic curve (SWCC), and the pore-size distribution (POSD) of soils has an important effect on the SWCC, and the relationship between PSD and POSD ...
TANG Xiaolin 1, 2, 3,, TONG Lihong 1, 2, XU Changjie 1, 2, DING Zhi 3, 4, DING Haibin 1, 2, LIU Wei 1, 2
doaj   +1 more source

Pore size distribution, their geometry and connectivity in deeply buried Paleogene Es1 sandstone reservoir, Nanpu Sag, East China

open access: yesPetroleum Science, 2019
The study of pore characteristics is of great importance in reservoir evaluation, especially in deeply buried sandstone. It controls the storage mechanism and reservoir fluid properties of the permeable horizons.
Muhammad Kashif   +7 more
doaj   +1 more source

Transferrin receptor 1‐mediated iron uptake supports thermogenic activation in human cervical‐derived adipocytes

open access: yesFEBS Letters, EarlyView.
In this study, we found that human cervical‐derived adipocytes maintain intracellular iron level by regulating the expression of iron transport‐related proteins during adrenergic stimulation. Melanotransferrin is predicted to interact with transferrin receptor 1 based on in silico analysis.
Rahaf Alrifai   +9 more
wiley   +1 more source

Controlled porosity alumina structures for ultra-precision hydrostatic journal bearings [PDF]

open access: yes, 2010
A series of fine-grade alumina powders has been used in combination with maize starch granules to produce porous structures for porous hydrostatic journal- bearing applications. A comprehensive series of tests was conducted to characterize porosity in
John Corbett   +6 more
core   +1 more source

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