Results 81 to 90 of about 241,722 (301)

Polyacrylamide Gel Polymer as Water Shut-off System: Preparation and Investigation of Physical and Chemical Properties in One of the Iranian Oil Reservoirs Conditions [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2007
In this paper, polyacrylamide/chromium acetate gel polymer system was prepared as water shut-off system to control water production in one of the Iranian oil reservoirs condition.
Mohammad Simjoo   +4 more
doaj  

Effect of monovalent and divalent cations on activity of Pc-pis-His and Pc-pis against S. aureus.

open access: yes, 2013
Effect of monovalent and divalent cations on activity of Pc-pis-His and Pc-pis against S. aureus.
Jun Wang (5906)   +6 more
core   +1 more source

A Critical Review on the Evolution of Chitosan‐Based Injectable Hydrogels in Bone Regeneration

open access: yesAdvanced Materials Interfaces, EarlyView.
The graphical illustration depicts hydrogel formulation using chitosan and biocompatible cross‐linkers, major advantages, and incorporation of cells, osteoinductive factors, and therapeutic drugs. Following injection, pH‐responsive gelation enables controlled drug release, promotes cell recruitment and osteogenic differentiation, enhances extracellular
Shivani Santosh Sakhrani   +2 more
wiley   +1 more source

Effects of divalent cations on beta-cell electrical activity

open access: yes, 1981
The effects of various divalent cations, added to the external medium, upon beta-cell action potential were studied using intracellular microelectrodes.
P. M. Beigelman, B. Ribalet
core   +1 more source

Replication Data for: Divalent cations are antagonistic to survivability of freeze-dried probiotics encapsulated in cross-linked alginate

open access: yes, 2020
This dataset contains preliminary data collected for the paper "Divalent cations are antagonistic to survivability of freeze-dried probiotics encapsulated in cross-linked alginate"
Tan, Li Ling
core   +1 more source

Chitin‐Chitosan Cryogels for the Reversible Sequestration and Recovery of Heavy Metals From Wastewater

open access: yesAdvanced Materials Technologies, EarlyView.
Chitin‐chitosan cryogels with degrees of N‐acetylation from 12.2% to 71.4% are fabricated by dissolution, coagulation and lyophilization for the sequestration of heavy metals from water. Colorimetry and differential pulse voltammetry showed controlled adsorption and desorption capacities for As5+, Co2+ and Cu2+, making this material attractive for ...
Marta García‐Castrillo   +4 more
wiley   +1 more source

Extrusion‐Based Bioprinting of Living Bioinks for Tissue and Organ Engineering

open access: yesAdvanced Materials Technologies, EarlyView.
Extrusion‐based bioprinting is presented as the most versatile route for fabricating living, heterogeneous tissues. Its ability to combine diverse bioinks, support matrices, and advanced printhead geometries transforms familiar constraints into powerful biofabrication opportunities.
Eric Silberman   +4 more
wiley   +1 more source

Cation-containing lipid membranes – experiment and md simulations

open access: yesEuropean Pharmaceutical Journal, 2017
Using small angle neutron diffraction and molecular dynamics simulations we studied the interactions between calcium (Ca2+) or zinc (Zn2+) cations, and oriented gel phase dipalmitoyl-phosphatidylcholine (DPPC) bilayers.
Kučerka N.   +4 more
doaj   +1 more source

Effect of Paternal DNA Damage on Paternal DNA Degradation and Early Embryonic Development in Mouse Embryo: Supporting Evidence by GammaH2AX Expression

open access: yesJournal of Animal Reproduction and Biotechnology, 2019
This study was investigated to test whether the zygote recognized the topoisomerase II beta (TOP2B) mediated DNA fragmentation in epididymal spermatozoa or the nuclease degradation in vas deferens spermatozoa by testing for the presence of gammaH2AX ...
Chang Jin Kim, Kyung-Bon Lee
doaj   +1 more source

Magnetoelectric Nanoparticle‐Based Wireless Brain–Computer Interface: Underlying Physics and Projected Technology Pathway

open access: yesAdvanced Science, EarlyView.
Magnetoelectric nanoparticles (MENPs) enable fully wireless, minutely invasive neuromodulation, and potentially neural recording, by converting magnetic into electric and, conversely, electric into magnetic fields, respectively, at high spatiotemporal resolution.
Elric Zhang   +14 more
wiley   +1 more source

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