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Showing 1-30 of 168 results for "405655" within Papers
Nak Jun Lee et al.
Journal of clinical medicine, 9(2) (2020-01-25)
Technologies for the detection and isolation of circulating tumor cells (CTCs) are essential in liquid biopsy, a minimally invasive technique for early diagnosis and medical intervention in cancer patients. A promising method for CTC capture, using an affinity-based approach, is
Jae Jung Kim et al.
Lab on a chip, 17(18), 3120-3128 (2017-08-18)
Isolating small objects, such as particles, cells, and molecules, in individual aqueous droplets is useful for chemical and biological assays. We have developed a simple microfluidic platform to immobilize (park) microparticles at defined locations, and isolate particles in monodisperse droplets
Photopatternable conductive PDMS materials for microfabrication
Cong H and Pan T
Advances in Functional Materials, 18(13), 1912-1921 (2008)
Lingyu Sun et al.
Proceedings of the National Academy of Sciences of the United States of America, 117(9), 4527-4532 (2020-02-20)
The manipulation of liquid droplets demonstrates great importance in various areas from laboratory research to our daily life. Here, inspired by the unique microstructure of plant stomata, we present a surface with programmable wettability arrays for droplets manipulation. The substrate
Jongwon Oh et al.
Nature materials, 20(3), 385-394 (2021-01-06)
Polymeric materials have been used to realize optical systems that, through periodic variations of their structural or optical properties, interact with light-generating holographic signals. Complex holographic systems can also be dynamically controlled through exposure to external stimuli, yet they usually
Dong-Yeong Kim et al.
Scientific reports, 8(1), 8525-8525 (2018-06-06)
The synthesis of organic-inorganic hybrid particles with highly controlled particle sizes in the micrometer range is a major challenge in many areas of research. Conventional methods are limited for nanometer-scale fabrication because of the difficulty in controlling the size. In
Jong Min Lee et al.
Electrophoresis, 38(24), 3161-3167 (2017-08-18)
We developed the photocrosslinkable hydrogel microwell arrays for uniform-sized neurosphere-mediated motoneuron differentiation. Neural stem cells (NSCs) were obtained from embryonic cerebral cortex and spinal cord. To generate uniform-sized neurospheres in a homogeneous manner, the dissociated cells were cultured in the
Xiaoyi Chen et al.
Materials (Basel, Switzerland), 11(10) (2018-10-21)
Silica microspheres (SMs) must possess the performances of desirable monodispersity, narrow particle size distribution, and high sphericity for preparing photonic crystals (PCs) and other materials such as microspheres reference material, etc. We have adopted the techniques of increasing reactant concentration
Vaishali Chopra et al.
ACS applied materials & interfaces, 12(24), 27708-27716 (2020-05-22)
Micropatterned dry adhesives rely mainly on van der Waals interactions. In this paper, we explore the adhesion strength increase that can be achieved by superimposing an electrostatic field through interdigitated subsurface electrodes. Micropatterns were produced by replica molding in silicone.
Seok Joon Mun et al.
Materials (Basel, Switzerland), 13(19) (2020-10-08)
Magnetic hydrogels have been commonly used in biomedical applications. As magnetite nanoparticles (MNPs) exhibit peroxidase enzyme-like activity, magnetic hydrogels have been actively used as signal transducers for biomedical assays. Droplet microfluidics, which uses photoinitiated polymerization, is a preferred method for
Radka Pechancová et al.
Journal of separation science, 42(2), 556-565 (2018-11-10)
This work focused on the development and validation of the analytical procedure using gas chromatography equipped with vacuum-ultraviolet detection for the specific and sensitive determination of nine photoinitiators in food packages. Subsequently, a comparison of the combination of vacuum ultraviolet
Bożena Tyliszczak et al.
Acta biochimica Polonica, 64(4), 709-712 (2017-12-10)
Currently, increasing attention is being paid to issues related to environmental protection, waste management, as well as to the development of polymers with useful properties. The research presented here involved preparation of hydrogels based on Beetosan® - a chitosan derived
Li-Chiun Cheng et al.
Langmuir : the ACS journal of surfaces and colloids, 36(13), 3346-3355 (2020-03-29)
Nanoemulsions are widely used in applications such as food products, cosmetics, pharmaceuticals, and enhanced oil recovery for which the ability to engineer material properties is desirable. Moreover, nanoemulsions are emergent model colloidal systems because of the ease in synthesizing monodisperse
Melek Merdivan et al.
Environmental technology, 38(15), 1897-1904 (2016-09-24)
A benzyl-functionalized crosslinked polymeric ionic liquid (PIL), produced through the co-polymerization of the 1-vinylbenzyl-3-hexadecylimidazolium bis[(trifluoromethyl)sulfonyl]imide (VBHDIM-NTf
Cameron L Nemeth et al.
Tissue engineering. Part A, 20(21-22), 2817-2829 (2014-04-23)
We have examined the effects of surface nanotopography and hyaluronic acid (HA) on in vitro chondrogenesis of dental pulp stem cells (DPSCs). Ultraviolet-assisted capillary force lithography was employed to fabricate well-defined nanostructured scaffolds of composite PEG-GelMA-HA hydrogels that consist of
Zhansaya Kaberova et al.
Polymers, 12(3) (2020-03-11)
The exact knowledge of hydrogel microstructure, mainly its pore topology, is a key issue in hydrogel engineering. For visualization of the swollen hydrogels, the cryogenic or high vacuum scanning electron microscopies (cryo-SEM or HVSEM) are frequently used while the possibility
Antonio Conde-González et al.
Materials science & engineering. C, Materials for biological applications, 108, 110489-110489 (2020-01-12)
Three dimensional synthetic polymer scaffolds have remarkable chemical and mechanical tunability in addition to biocompatibility. However, the chemical and physical space is vast in view of the number of variables that can be altered e.g. chemical composition, porosity, pore size
Elaboration of a fire retardant coating for polyamide-6 using cold plasma polymerization of a fluorinated acrylate
Errifai I, et al.
Surface and Coatings Technology, 180(13), 297-301 (2004)
Yunlang Cai et al.
Acta biomaterialia, 84, 222-230 (2018-11-27)
Severe intrauterine adhesions (IUAs) have a great negative impact on women's psychological and reproductive health. It remains a significant challenge to prevent postoperative IUAs because of the complications of various clinical preventive measures and incompatibility of uterine cavity morphology. Herein
Martin F Haase et al.
Nature communications, 8(1), 1234-1234 (2017-11-02)
The decoration of porous membranes with a dense layer of nanoparticles imparts useful functionality and can enhance membrane separation and anti-fouling properties. However, manufacturing of nanoparticle-coated membranes requires multiple steps and tedious processing. Here, we introduce a facile single-step method
Hanxu Chen et al.
Advanced materials (Deerfield Beach, Fla.), 32(52), e2005394-e2005394 (2020-11-14)
Blood purification by adsorption of excessive biomolecules is vital for maintaining human health. Here, inspired by kidney self-purification, which removes a number of biomolecules with different sizes simultaneously, hierarchical molecular-imprinted inverse opal particles integrated with a herringbone microfluidic chip for
Anthony J D'Angelo et al.
The journal of physical chemistry. B, 119(47), 14959-14969 (2015-11-04)
Polymer-supported ionic liquids (ionogels) are emergent, nonvolatile electrolytes for electrochemical energy storage applications. Here, chemical and physical interactions between the ionic liquid 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (EMI TFSI) and three different cross-linked polymer scaffolds with varying chemical functional groups have been investigated
Min-Fang Wu et al.
Sensors (Basel, Switzerland), 20(19) (2020-10-01)
Water-soluble chemicals, involving a wide range of toxic chemicals in aqueous solutions, remain essential in both daily living or industrial uses. However, most toxicants are evaporated with water through their use and thus cause deleterious effects on the domestic environment
Nobuhiro Nagai et al.
Journal of materials science. Materials in medicine, 28(7), 107-107 (2017-05-24)
Transscleral drug delivery is becoming increasingly popular to manage posterior eye diseases. To evaluate the clinical application of a transscleral, sustained, unoprostone (UNO)-release device (URD) constructed of photopolymerized tri(ethyleneglycol) dimethacrylate and poly(ethyleneglycol) dimethacrylate, we evaluated physicochemical and biological properties of
Mariia Volokitina et al.
Journal of pharmaceutical and biomedical analysis, 165, 242-250 (2018-12-18)
A series of rigid macroporous polymer layers differed by hydrophobic-hydrophilic properties was synthesized in situ in preliminary fabricated wells and applied as the platforms for protein biochips. Scanning electron microscopy, etalon porosimetry and BET analysis were used for materials characterization.
Shu Gong et al.
Small (Weinheim an der Bergstrasse, Germany), 16(39), e2003269-e2003269 (2020-08-31)
Skin-like energy devices can be conformally attached to the human body, which are highly desirable to power soft wearable electronics in the future. Here, a skin-like stretchable fuel cell based on ultrathin gold nanowires (AuNWs) and polymerized high internal phase
Nobuhiro Nagai et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 104(8), 1730-1737 (2016-10-19)
It has been suggested that unoprostone isopropyl (UNO) has potent neuroprotective activity in the retina. The effect of sustained transscleral UNO delivery to the posterior segment of the eye on photoreceptor degeneration was evaluated. UNO was loaded into a device
Rodrigo Nery-Azevedo et al.
Langmuir : the ACS journal of surfaces and colloids, 33(38), 9694-9702 (2017-08-31)
Surfactants play a ubiquitous role in many areas of science and technology, and gradients often form-either spontaneously or intentionally-in a variety of nonequilibrium situations and processes. We visualize and measure the diffusiophoretic migration of latex colloids in response to gradients
Wei Luo et al.
Nanoscale, 9(27), 9548-9555 (2017-07-01)
The responsive photonic crystal (RPC) balls with adjustable lattice constant and controllable rotation developed to date are all based on Janus particles of three dimensional (3-D) periodical structures, which suffer from color uneveness and asymmetric volume change, limiting the applications
Myunghwan Choi et al.
Advanced materials (Deerfield Beach, Fla.), 27(27), 4081-4086 (2015-06-06)
A biocompatible step-index optical fiber made of poly(ethylene glycol) and alginate hydrogels is demonstrated. The fabricated fiber exhibits excellent light-guiding efficiency in biological tissues. Moreover, the core of hydrogel fibers can be easily doped with functional molecules and nanoparticles for
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