NDLI: Hyper-miniaturization of monodisperse alginate–TiO2 composite particles with densely packed TiO2 nanoparticles

Content Provider	Springer Nature Link
Author	Aketagawa, Kyouhei Hirama, Hirotada Moriguchi, Hiroyuki Torii, Toru
Copyright Year	2013
Abstract	We report a novel technique to fabricate alginate–TiO2 composite particles with densely packed TiO2 nanoparticles. Using a microfluidic device, monodisperse sodium alginate droplets containing low-density TiO2 nanoparticles (1 or 5 w/v%) were formed in the oil phase. The sodium alginate droplets formed in the oil phase were subsequently placed on a Ca2+-loaded agarose-gel plate to induce shrinkage by water removal (from the droplets to the Ca2+-loaded agarose-gel plate) and gelation by Ca2+ transport (from the Ca2+-loaded agarose-gel plate to the droplets). Thus, the produced alginate–TiO2 composite particles containing densely packed TiO2 nanoparticles were significantly smaller than the microchannel. We also investigated the optimal conditions to successfully produce spherical composite particles by varying the oil phases, surfactants, calcium concentrations and gel strength of the agarose-gel plate. Moreover, our method could decrease the probability of channel clogging that often occurs when a colloidal suspension (e.g., nanoparticles) is used as the dispersed phase. This method facilitates the stable production of monodisperse alginate–inorganic composite particles for a wide range of applications.
Starting Page	217
Ending Page	224
Page Count	8
File Format	PDF
ISSN	16134982
Journal	Microfluidics and Nanofluidics
Volume Number	17
Issue Number	1
e-ISSN	16134990
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-11-29
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Microfluidics Calcium alginate gel Osmotic pressure Channel clogging Biopolymer Inorganic particle Engineering Fluid Dynamics Biomedical Engineering Analytical Chemistry Nanotechnology and Microengineering
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Materials Chemistry Condensed Matter Physics Electronic, Optical and Magnetic Materials

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Hyper-Miniaturisation of Monodisperse Janus Hydrogel Beads with Magnetic Anisotropy Based on Coagulation of Fe3O4 Nanoparticles

Clogging of a single pore by colloidal particles

Clogging in parallelized tapered microfluidic channels

Microfluidic encapsulation of cells in alginate particles via an improved internal gelation approach

Mass production of highly monodisperse polymeric nanoparticles by parallel flow focusing system

Fe3O4 Nanoparticles Embedded Sodium Alginate/PVP/Calcium Gel Composite for Removal of Cd2+

Microfluidics for particle synthesis from photocrosslinkable materials

Encapsulation of iron nanoparticles in alginate biopolymer for trichloroethylene remediation

Liquid flooded flow-focusing microfluidic device for in situ generation of monodisperse microbubbles

Hyper-miniaturization of monodisperse alginate–TiO2 composite particles with densely packed TiO2 nanoparticles

Similar Documents

Hyper-Miniaturisation of Monodisperse Janus Hydrogel Beads with Magnetic Anisotropy Based on Coagulation of Fe3O4 Nanoparticles

Clogging of a single pore by colloidal particles

Clogging in parallelized tapered microfluidic channels

Microfluidic encapsulation of cells in alginate particles via an improved internal gelation approach

Mass production of highly monodisperse polymeric nanoparticles by parallel flow focusing system

Fe3O4 Nanoparticles Embedded Sodium Alginate/PVP/Calcium Gel Composite for Removal of Cd2+

Microfluidics for particle synthesis from photocrosslinkable materials

Encapsulation of iron nanoparticles in alginate biopolymer for trichloroethylene remediation

Liquid flooded flow-focusing microfluidic device for in situ generation of monodisperse microbubbles

Hyper-miniaturization of monodisperse alginate–TiO2 composite particles with densely packed TiO2 nanoparticles