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You searched for: Journal ACS Applied Materials & Interfaces Remove constraint Journal: ACS Applied Materials & Interfaces Publication Year 2015 Remove constraint Publication Year: 2015 Source 2015 v.7 no.34 Remove constraint Source: 2015 v.7 no.34
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1. A Luminescent Cocaine Detection Platform Using a Split G-Quadruplex-Selective Iridium(III) Complex and a Three-Way DNA Junction Architecture

Author:
Ma, Dik-Lung; Wang, Modi; He, Bingyong; Yang, Chao; Wang, Wanhe; Leung, Chung-Hang
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19060-19067
ISSN:
1944-8252
Subject:
DNA; cocaine; detection limit; iridium; ligands; light intensity; luminescence; screening
Abstract:
... In this study, a series of 10 in-house cyclometalated iridium(III) complexes bearing different auxiliary ligands were tested for their selectivity toward split G-quadruplex in order to construct a label-free switch-on cocaine detection platform employing a three-way junction architecture and a G-quadruplex motif as a signal output unit. Through two rounds of screening, we discovered that the iridi ...
DOI:
10.1021/acsami.5b05861

2. An Effective Electrical Throughput from PANI Supplement ZnS Nanorods and PDMS-Based Flexible Piezoelectric Nanogenerator for Power up Portable Electronic Devices: An Alternative of MWCNT Filler

Author:
Sultana, Ayesha; Alam, Md. Mehebub; Garain, Samiran; Sinha, Tridib Kumar; Middya, Tapas Ranjan; Mandal, Dipankar
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19091-19097
ISSN:
1944-8252
Subject:
carbon nanotubes; electronic equipment; electronics; nanorods; polydimethylsiloxane; renewable energy sources; zinc sulfide
Abstract:
... We demonstrate the requirement of electrical poling can be avoided in flexible piezoelectric nanogenerators (FPNGs) made of low-temperature hydrothermally grown wurtzite zinc sulfide nanorods (ZnS-NRs) blended with polydimethylsiloxane (PDMS). It has been found that conductive fillers, such as polyaniline (PANI) and multiwall carbon nanotubes (MWCNTs), can subsequently improve the overall performa ...
DOI:
10.1021/acsami.5b04669

3. Blood Compatibility Evaluations of Fluorescent Carbon Dots

Author:
Li, Sha; Guo, Zhong; Zhang, Yi; Xue, Wei; Liu, Zonghua
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19153-19162
ISSN:
1944-8252
Subject:
adverse effects; alpha-cyclodextrin; biocompatibility; biosafety; blood coagulation; carbon quantum dots; complement; cytotoxicity; erythrocytes; fibrinogen; fluorescence; humans; hydrothermal carbonization; intravenous injection; platelet activation
Abstract:
... Because of their unique advantages, fluorescent carbon dots are gaining popularity in various biomedical applications. For these applications, good biosafety is a prerequisite for their use in vivo. Studies have reported the preliminary biocompatibility evaluations of fluorescent carbon dots (mainly cytotoxicity); however, to date, little information is available about their hemocompatibility, whi ...
DOI:
10.1021/acsami.5b04866

4. Carbon “Quantum” Dots for Fluorescence Labeling of Cells

Author:
Liu, Jia-Hui; Cao, Li; LeCroy, Gregory E.; Wang, Ping; Meziani, Mohammed J.; Dong, Yiyang; Liu, Yuanfang; Luo, Pengju G.; Sun, Ya-Ping
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19439-19445
ISSN:
1944-8252
Subject:
carbon quantum dots; cell membranes; cytoplasm; emissions; fluorescence; fluorescent dyes; neoplasms; stem cells
Abstract:
... The specifically synthesized and selected carbon dots of relatively high fluorescence quantum yields were evaluated in their fluorescence labeling of cells. For the cancer cell lines, the cellular uptake of the carbon dots was generally efficient, resulting in the labeling of the cells with bright fluorescence emissions for both one- and two-photon excitations from predominantly the cell membrane ...
DOI:
10.1021/acsami.5b05665

5. Cellulose-Templated Graphene Monoliths with Anisotropic Mechanical, Thermal, and Electrical Properties

Author:
Zhang, Rujing; Chen, Qiao; Zhen, Zhen; Jiang, Xin; Zhong, Minlin; Zhu, Hongwei
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19145-19152
ISSN:
1944-8252
Subject:
cellulose acetate; electrical properties; graphene; insulating materials; polymers; resins; strength (mechanics)
Abstract:
... Assembling particular building blocks into composites with diverse targeted structures has attracted considerable interest for understanding its new properties and expanding the potential applications. Anisotropic organization is considered as a frequently used targeted architecture and possesses many peculiar properties because of its unusual shapes. Here, we show that anisotropic graphene monoli ...
DOI:
10.1021/acsami.5b04808

6. Combined Photothermal and Surface-Enhanced Raman Spectroscopy Effect from Spiky Noble Metal Nanoparticles Wrapped within Graphene-Polymer Layers: Using Layer-by-layer Modified Reduced Graphene Oxide as Reactive Precursors

Author:
Li, Xiangming; Zhang, Yihe; Wu, Yaling; Duan, Yang; Luan, Xinglong; Zhang, Qian; An, Qi
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19353-19361
ISSN:
1944-8252
Subject:
Raman spectroscopy; cell death; cell viability; cytotoxicity; dispersibility; doxorubicin; electrolytes; graphene oxide; nanoparticles; polyacrylic acid
Abstract:
... To fabricate functionally integrated hybrid nanoparticles holds high importance in biomedical applications and is still a challenging task. In this study, we report the first reduced graphene oxide (rGO)-nobel metal hybrid particles that present simultaneously the photothermal and surface-enhanced Raman spectroscopy (SERS) effect from the inorganic part and drug loading, dispersibility, and contro ...
DOI:
10.1021/acsami.5b05463

7. Continuous, High-Speed, and Efficient Oil/Water Separation using Meshes with Antagonistic Wetting Properties

Author:
Dunderdale, Gary J.; Urata, Chihiro; Sato, Tomoya; England, Matt W.; Hozumi, Atsushi
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 18915-18919
ISSN:
1944-8252
Subject:
hydrophilicity; hydrophobicity; oils; stainless steel
Abstract:
... We report a novel oil/water separation device, allowing continuous, high-speed, and highly efficient purification of large volumes of oily water. This device uses a pair of hydrophilic/hydrophobic polymer-brush-functionalized stainless steel meshes, which have antagonistic wetting properties, i.e., superoleophobic and superhydrophobic properties, when submerged in the opposite liquid phase. This d ...
DOI:
10.1021/acsami.5b06207

8. Doping Level of Boron-Doped Diamond Electrodes Controls the Grafting Density of Functional Groups for DNA Assays

Author:
Švorc, Ĺubomír; Jambrec, Daliborka; Vojs, Marian; Barwe, Stefan; Clausmeyer, Jan; Michniak, Pavol; Marton, Marián; Schuhmann, Wolfgang
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 18949-18956
ISSN:
1944-8252
Subject:
DNA probes; boron; electrochemistry; electrodes; hybridization; nucleic acid hybridization; salts; single-stranded DNA; succinic acid
Abstract:
... The impact of different doping levels of boron-doped diamond on the surface functionalization was investigated by means of electrochemical reduction of aryldiazonium salts. The grafting efficiency of 4-nitrophenyl groups increased with the boron levels (B/C ratio from 0 to 20 000 ppm). Controlled grafting of nitrophenyldiazonium was used to adjust the amount of immobilized single-stranded DNA stra ...
DOI:
10.1021/acsami.5b06394

9. Effective Bone Regeneration Using Thermosensitive Poly(N-Isopropylacrylamide) Grafted Gelatin as Injectable Carrier for Bone Mesenchymal Stem Cells

Author:
Ren, Zhiwei; Wang, Yang; Ma, Shiqing; Duan, Shun; Yang, Xiaoping; Gao, Ping; Zhang, Xu; Cai, Qing
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19006-19015
ISSN:
1944-8252
Subject:
X-ray photoelectron spectroscopy; aqueous solutions; bones; chemical elements; chemical structure; gelatin; hydrogels; immunohistochemistry; micro-computed tomography; models; nuclear magnetic resonance spectroscopy; osteocalcin; osteopontin; polymerization; rats; staining; stem cells; temperature
Abstract:
... In this study, thermosensitive poly(N-isopropylacrylamide) (PNIPAAm) was grafted onto gelatin via atom transfer radical polymerization (ATRP). The chemical structure of PNIPAAm-grafted gelatin (Gel–PNIPAAm) was confirmed by XPS, ATR-IR, and ¹H NMR characterizations. Gel–PNIPAAm aqueous solution exhibited sol-to-gel transformation at physiological temperature, and was studied as injectable hydrogel ...
DOI:
10.1021/acsami.5b02821

10. Engineered Coalescence by Annealing 3D Ge Microstructures into High-Quality Suspended Layers on Si

Author:
Salvalaglio, Marco; Bergamaschini, Roberto; Isa, Fabio; Scaccabarozzi, Andrea; Isella, Giovanni; Backofen, Rainer; Voigt, Axel; Montalenti, Francesco; Capellini, Giovanni; Schroeder, Thomas; von Känel, Hans; Miglio, Leo
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19219-19225
ISSN:
1944-8252
Subject:
annealing; crystals; microstructure; models; silicon; temperature; transmission electron microscopy
Abstract:
... The move from dimensional to functional scaling in microelectronics has led to renewed interest toward integration of Ge on Si. In this work, simulation-driven experiments leading to high-quality suspended Ge films on Si pillars are reported. Starting from an array of micrometric Ge crystals, the film is obtained by exploiting their temperature-driven coalescence across nanometric gaps. The mergin ...
DOI:
10.1021/acsami.5b05054

11. Enhanced Power-Conversion Efficiency in Inverted Bulk Heterojunction Solar Cells using Liquid-Crystal-Conjugated Polyelectrolyte Interlayer

Author:
Liu, Chao; Tan, Yun; Li, Chunquan; Wu, Feiyan; Chen, Lie; Chen, Yiwang
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19024-19033
ISSN:
1944-8252
Subject:
alcohols; electrolytes; harvesting; nanofibers; photons; photovoltaic cells; polymers; solubility; solvents; thiophene; transportation; zinc oxide
Abstract:
... Two novel liquid-crystal-conjugated polyelectrolytes (LCCPEs) poly[9,9-bis[6-(4-cyanobiphenyloxy)-hexyl]–fluorene–alt-9,9-bis(6-(N,N-diethylamino)-hexyl)-fluorene] (PF6Ncbp) and poly[9,9-bis[6-(4-cyanobiphenyloxy)-hexyl]–fluorene–alt-9,9-bis(6-(N-methylimidazole)-hexyl]-fluorene] (PF6lmicbp) are obtained by covalent linkage of the cyanobiphenyl mesogen polar groups onto conjugated polyelectrolytes ...
DOI:
10.1021/acsami.5b03340

12. Fabrication of Polystyrene/ZnO Micronano Hierarchical Structure Applied for Light Extraction of Light-Emitting Devices

Author:
Mao, Peng; Mahapatra, Amulya krishna; Chen, Jing; Chen, Minrui; Wang, Guanghou; Han, Min
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19179-19188
ISSN:
1944-8252
Subject:
microstructure; nanoparticles; polystyrenes; zinc oxide
Abstract:
... Polystyrene(PS)/ZnO micronano hierarchical structures were fabricated on a flat surface by depositing ZnO nanoparticles from a cluster beam at oblique incidence on the surface predeposited with PS microspheres. The hierarchical structure was composed of submicron-sized PS particle layers covered with dense films of columnar ZnO nanoparticle piles separated with nanoscale pores. It was demonstrated ...
DOI:
10.1021/acsami.5b04911

13. Facile Fabrication of Lubricant-Infused Wrinkling Surface for Preventing Thrombus Formation and Infection

Author:
Yuan, Shuaishuai; Luan, Shifang; Yan, Shunjie; Shi, Hengchong; Yin, Jinghua
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19466-19473
ISSN:
1944-8252
Subject:
Escherichia coli; adhesion; antibacterial properties; bacterial infections; blood platelets; cell adhesion; health care costs; medical equipment; morbidity; mortality; perfluorocarbons; polymerization; thrombosis; toxicity
Abstract:
... Despite the advanced modern biotechniques, thrombosis and bacterial infection of biomedical devices remain common complications that are associated with morbidity and mortality. Most antifouling surfaces are in solid form and cannot simultaneously fulfill the requirements for antithrombosis and antibacterial efficacy. In this work, we present a facile strategy to fabricate a slippery surface. This ...
DOI:
10.1021/acsami.5b05865

14. First-Principles Analysis of Defect Thermodynamics and Ion Transport in Inorganic SEI Compounds: LiF and NaF

Author:
Yildirim, Handan; Kinaci, Alper; Chan, Maria K. Y.; Greeley, Jeffrey P.
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 18985-18996
ISSN:
1944-8252
Subject:
lithium batteries; lithium; cathodes; crystal structure; diffusivity; sodium fluoride; cations; thermodynamics; sodium; anodes; interphase
Abstract:
... The formation mechanism and composition of the solid electrolyte interphase (SEI) in lithium ion batteries has been widely explored. However, relatively little is known about the function of the SEI as a transport medium. Such critical information is directly relevant to battery rate performance, power loss, and capacity fading. To partially bridge this gap in the case of inorganic SEI compounds, ...
DOI:
10.1021/acsami.5b02904

15. Fumed Silica-Based Single-Ion Nanocomposite Electrolyte for Lithium Batteries

Author:
Zhao, Hui; Jia, Zhe; Yuan, Wen; Hu, Heyi; Fu, Yanbao; Baker, Gregory L.; Liu, Gao
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19335-19341
ISSN:
1944-8252
Subject:
lithium batteries; copolymerization; ethylene oxide; silica; lithium; cations; nanocomposites; dissociation; polyethylene glycol; anions; nanoparticles; anodes
Abstract:
... A composite lithium electrolyte composed of polyelectrolyte-grafted nanoparticles and polyethylene glycol dimethyl ether (PEGDME) is synthesized and characterized. Polyanions immobilized by the silica nanoparticles have reduced anion mobility. Composite nanoparticles grafted by poly(lithium 4-styrenesulfonate) only have moderate conductivity at 60 °C. Almost an order increase of the conductivity t ...
DOI:
10.1021/acsami.5b05419

16. Hierarchical Assembly of α-Fe2O3 Nanosheets on SnO2 Hollow Nanospheres with Enhanced Ethanol Sensing Properties

Author:
Sun, Peng; Wang, Chen; Liu, Jiangyang; Zhou, Xin; Li, Xiaowei; Hu, Xiaolong; Lu, Geyu
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19119-19125
ISSN:
1944-8252
Subject:
ethanol; ferric oxide; nanosheets; nanospheres; synergism; tin dioxide
Abstract:
... We present the preparation of a hierarchical nanoheterostructure consisting of inner SnO₂ hollow spheres (SHS) surrounded by an outer α-Fe₂O₃ nanosheet (FNS). Deposition of the FNS on the SHS outer surface was achieved by a facile microwave hydrothermal reaction to generate a double-shell SHS@FNS nanostructure. Such a composite with novel heterostructure acted as a sensing material for gas sensors ...
DOI:
10.1021/acsami.5b04751

17. Hierarchical Nanoporous Silica Films for Wear Resistant Antireflection Coatings

Author:
Mizoshita, Norihiro; Ishii, Masahiko; Kato, Naohiko; Tanaka, Hiromitsu
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19424-19430
ISSN:
1944-8252
Subject:
coatings; durability; glass; nanoparticles; nanopores; nonionic surfactants; porosity; porous media; reflectance; roughness; silica; wavelengths
Abstract:
... High-performance antireflection (AR) layers were prepared by depositing hierarchical nanoporous silica films on glass substrates. We designed a composite layer consisting of mesoporous silica nanoparticles (MSNs) and a mesoporous silica matrix. The introduction of bimodal nanoporous structures, i.e., independent nanopore formation within the MSN and within the matrix, was achieved by using surface ...
DOI:
10.1021/acsami.5b05659

18. Highly Enhanced Fluorescence of CdSeTe Quantum Dots Coated with Polyanilines via In-Situ Polymerization and Cell Imaging Application

Author:
Xue, Jingjing; Chen, Xinyi; Liu, Shanglin; Zheng, Fenfen; He, Li; Li, Lingling; Zhu, Jun-Jie
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19126-19133
ISSN:
1944-8252
Subject:
activation energy; aniline; biocompatibility; fluorescence; image analysis; polymerization; quantum dots; temperature
Abstract:
... The polyaniline (PAN)-coated CdSeTe quantum dots (QDs) were prepared by in situ polymerization of aniline on the surface of CdSeTe QDs. The PAN-coated CdSeTe QDs has a tremendously enhanced fluorescence (∼40 times) and improved biocompatibility compared to the uncoated CdSeTe QDs. The fluorescence intensity of the PAN-coated CdSeTe QDs can be adjusted by controlling the construction parameters of ...
DOI:
10.1021/acsami.5b04766

19. Highly Magneto-Responsive Elastomeric Films Created by a Two-Step Fabrication Process

Author:
Marchi, Sophie; Casu, Alberto; Bertora, Franco; Athanassiou, Athanassia; Fragouli, Despina
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 19112-19118
ISSN:
1944-8252
Subject:
drugs; magnetic fields; mixing; polymers
Abstract:
... An innovative method for the preparation of elastomeric magnetic films with increased magneto-responsivity is presented. Polymeric films containing aligned magnetic microchains throughout their thickness are formed upon the magnetophoretic transport and assembly of microparticles during polymer curing. The obtained films are subsequently magnetized at a high magnetic field of 3 T directed parallel ...
DOI:
10.1021/acsami.5b04711

20. Improved Device Performance of Polymer Solar Cells by Using a Thin Light-harvesting-Complex Modified ZnO Film as the Cathode Interlayer

Author:
Liu, Xiaohui; Liu, Cheng; Sun, Ruixue; Liu, Kun; Zhang, Yajie; Wang, Hai-Qiao; Fang, Junfeng; Yang, Chunhong
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.34 pp. 18904-18908
ISSN:
1944-8252
Subject:
cathodes; light harvesting complex; photosynthesis; photovoltaic cells; polymers; zinc oxide
Abstract:
... In this study, a high-performance inverted polymer solar cell (PSC) has been fabricated by incorporating a zinc oxide (ZnO)/light-harvesting complex II (LHCII) stacked structure as the cathode interlayer. The LHCII not only smoothens the film surface of ZnO, improves the contact between ZnO and the photoactive layer, but also suppresses the charge carrier recombination at the interface, hence all ...
DOI:
10.1021/acsami.5b05969