نتایج جستجو برای: encapsulated nano and microparticles

تعداد نتایج: 16844646  

Journal: :dental research journal 0
mohammad tavakoli ensiyeh bateni mansour rismanchian mohammadhossein fathi ali doostmohammadi azim rabiei

background: the greater surface of bioactive glass nanoparticles presents an incomparable and promising feature similar to the biological apatite. nanoparticles improve cellular adhesion, enhance osteoblast proliferation and differentiation, and increase biomineralization for periodontal regeneration and dental implants. considering the fact that interaction between periodontal cells and bone g...

Journal: :Macromolecular bioscience 2009
Su He Wang Xiangyang Shi Xisui Chen James R Baker

Development of a novel formulation of anticancer drugs to improve their water-solubility and bioavailability remains a great challenge. Herein, the potential anticancer agent 2-methoxyestradiol (2-ME) was selected as a model drug and was encapsulated within polyelectrolyte (PE) multilayers by layer-by-layer deposition of oppositely charged PEs onto the drug microcrystal surfaces. Cell viability...

Alireza Mahboubian Fatemeh Atyabi, Rassoul Dinarvand, Seyyed Kazem Hashemein Shadi Moghadam

Triptoreline is a potent agonist of luteinizing hormone-releasing hormone, currently used in the treatment of prostatic cancer where therapy may be required over months or years. Frequent injection of drug decreases patients’ compliance. The present study describes the formulation of a sustained release microparticulate drug delivery system containing triptoreline acetate, using poly (D,L lacti...

Journal: :Bioconjugate chemistry 2004
Sarah L Goh Niren Murthy Mingcheng Xu Jean M J Fréchet

Plasmid DNA was directly encapsulated into biocompatible polymer microparticles via radical polymerization in an inverse emulsion system. Acrylamide-based microspheres 0.2-1 microm in diameter were prepared using an acid-cleavable difunctional monomer. Retention of the DNA payload at physiological pH with complete release under acidic conditions at lysosomal pH was demonstrated. By trapping the...

Journal: :Journal of Materials Chemistry C 2021

TbPc 2 SMMs were encapsulated in the internal nano space of SWCNTs for first time. From STM/STS, it was determined that there electronic interactions between and @SWCNT.

Journal: :Tropical Journal of Pharmaceutical Research 2023

Purpose: To develop modified hard gelatin capsules (MHGCs) for colon-specific delivery of hydrogel-based piroxicam microparticles.
 Methods: Solvent evaporation technique was adopted the microencapsulation using liquid paraffin (PL.MPs) and soybean oil (PS.MPs) which were subsequently encapsulated in MHGCs (water-impervious). Anti-inflammatory vitro dissolution studies conducted on unencap...

Journal: :Physical chemistry chemical physics : PCCP 2016
P Moroshkin R Batulin P Leiderer K Kono

We investigate the motion of electrically charged metallic nano- and microparticles produced by laser ablation in He gas and injected into superfluid helium. In the presence of a vertical static electric field, the particles either perform a repetitive shuttle-like motion transporting the charge across the liquid-gas interface or become trapped under the free surface of liquid He and coalesce i...

2016
Nitish Yeredla Taisuke Kojima Yi Yang Shuichi Takayama Mathumai Kanapathipillai

Here, we produce poly(lactide-co-glycolide) (PLGA) based microparticles with varying morphologies, and temperature responsive properties utilizing a Pluronic F127/dextran aqueous two-phase system (ATPS) assisted self-assembly. The PLGA polymer, when emulsified in Pluronic F127/dextran ATPS, forms unique microparticle structures due to ATPS guided-self assembly. Depending on the PLGA concentrati...

Journal: :Nature communications 2012
Ki Wan Bong Jingjing Xu Jong-Ho Kim Stephen C Chapin Michael S Strano Karen K Gleason Patrick S Doyle

Flow lithography has become a powerful particle synthesis technique. Currently, flow lithography relies on the use of polydimethylsiloxane microchannels, because the process requires local inhibition of polymerization, near channel interfaces, via oxygen permeation. The dependence on polydimethylsiloxane devices greatly limits the range of precursor materials that can be processed in flow litho...

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