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You searched for: Journal ACS Applied Materials & Interfaces Remove constraint Journal: ACS Applied Materials & Interfaces Publication Year 2017 Remove constraint Publication Year: 2017 Source 2017 v.9 no.22 Remove constraint Source: 2017 v.9 no.22
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1. Activated Porous Carbon Spheres with Customized Mesopores through Assembly of Diblock Copolymers for Electrochemical Capacitor

Author:
Tang, Jing; Wang, Jie; Shrestha, Lok Kumar; Hossain, Md. Shahriar A.; Alothman, Zeid Abdullah; Yamauchi, Yusuke; Ariga, Katsuhiko
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 18986-18993
ISSN:
1944-8252
Subject:
acetonitrile; capacitance; carbon; composite polymers; dopamine; electrical equipment; electrochemistry; electrodes; electrolytes; ethylene oxide; ionic liquids; micelles; micropores; particle size; polymerization; porosity; researchers; surface area; tetraethylammonium compounds
Abstract:
... A series of porous carbon spheres with precisely adjustable mesopores (4–16 nm), high specific surface area (SSA, ∼2000 m² g–¹), and submicrometer particle size (∼300 nm) was synthesized through a facile coassembly of diblock polymer micelles with a nontoxic dopamine source and a common postactivation process. The mesopore size can be controlled by the diblock polymer, polystyrene-block-poly(ethyl ...
DOI:
10.1021/acsami.7b04967

2. α-Amylase- and Redox-Responsive Nanoparticles for Tumor-Targeted Drug Delivery

Author:
Li, Yihui; Hu, Hang; Zhou, Qing; Ao, Yanxiao; Xiao, Chen; Wan, Jiangling; Wan, Ying; Xu, Huibi; Li, Zifu; Yang, Xiangliang
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 19215-19230
ISSN:
1944-8252
Subject:
Fourier transform infrared spectroscopy; adverse effects; alpha-amylase; antineoplastic activity; antineoplastic agents; atomic force microscopy; blood; cytotoxicity; disulfide bonds; drug therapy; half life; image analysis; light scattering; liquid chromatography; mass spectrometry; mice; nanoparticles; neoplasm cells; neoplasms; nuclear magnetic resonance spectroscopy; paclitaxel; pharmacokinetics; reducing agents; solubility; starch; transmission electron microscopy
Abstract:
... Paclitaxel (PTX) is an effective antineoplastic agent and shows potent antitumor activity against a wide spectrum of cancers. Yet, the wide clinical use of PTX is limited by its poor aqueous solubility and the side effects associated with its current therapeutic formulation. To tackle these obstacles, we report, for the first time, α-amylase- and redox-responsive nanoparticles based on hydroxyethy ...
DOI:
10.1021/acsami.7b04066

3. Anti-inflammatory and Antibacterial Effects of Covalently Attached Biomembrane-Mimic Polymer Grafts on Gore-Tex Implants

Author:
Jin, Young Ju; Kang, Sunah; Park, Pona; Choi, Dongkil; Kim, Dae Woo; Jung, Dongwook; Koh, Jaemoon; Jeon, Joohee; Lee, Myoungjin; Ham, Jiyeon; Seo, Ji-Hun; Jin, Hong-Ryul; Lee, Yan
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 19161-19175
ISSN:
1944-8252
Subject:
Staphylococcus aureus; adhesion; adsorption; adverse effects; antibacterial properties; bacteria; biocompatibility; blood proteins; chemical bonding; fibroblasts; inflammation; mechanical properties; myeloperoxidase; polymerization; polytetrafluoroethylene; rats; transforming growth factor beta
Abstract:
... Expanded polytetrafluoroethylene (ePTFE), also known as Gore-Tex, is widely used as an implantable biomaterial in biomedical applications because of its favorable mechanical properties and biochemical inertness. However, infection and inflammation are two major complications with ePTFE implantations, because pathogenic bacteria can inhabit the microsized pores, without clearance by host immune cel ...
DOI:
10.1021/acsami.7b02696

4. Biocompatible Chitosan–Carbon Dot Hybrid Nanogels for NIR-Imaging-Guided Synergistic Photothermal–Chemo Therapy

Author:
Wang, Hui; Mukherjee, Sumit; Yi, Jinhui; Banerjee, Probal; Chen, Qianwang; Zhou, Shuiqin
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 18639-18649
ISSN:
1944-8252
Subject:
EDTA (chelating agent); adverse effects; animal models; biocompatibility; chemical elements; chitosan; crosslinking; doxorubicin; drug therapy; fluorescence; image analysis; in vitro studies; in vivo studies; irradiation; mice; nanocarriers; nanoparticles; neoplasms; pH; tissues; wavelengths
Abstract:
... Multifunctional nanocarriers with good biocompatibility, good imaging function, and smart drug delivery ability are crucial for realizing highly efficient imaging-guided chemotherapy in vivo. This paper reports a type of chitosan–carbon dot (CD) hybrid nanogels (CCHNs, ∼65 nm) by integrating pH-sensitive chitosan and fluorescent CDs into a single nanostructure for simultaneous near-infrared (NIR) ...
DOI:
10.1021/acsami.7b06062

5. Bioinspired Structural Colors Fabricated with ZnO Quasi-Ordered Nanostructures

Author:
Kim, Geon Hwee; An, Taechang; Lim, Geunbae
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 19057-19062
ISSN:
1944-8252
Subject:
color; nanomaterials; synthesis; zinc oxide
Abstract:
... Despite their advantages in different applications, structural colors are difficult to use because of the inability to change a structural color once it is implemented, as well as their high fabrication costs; implementing multiple structural colors simultaneously on one substrate is a challenge as well. In this study, structural colors were reproduced using quasi-ordered scattering to mitigate th ...
DOI:
10.1021/acsami.6b15892

6. Cellular Shuttles: Monocytes/Macrophages Exhibit Transendothelial Transport of Nanoparticles under Physiological Flow

Author:
Moore, Thomas L.; Hauser, Daniel; Gruber, Thomas; Rothen-Rutishauser, Barbara; Lattuada, Marco; Petri-Fink, Alke; Lyck, Ruth
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 18501-18511
ISSN:
1944-8252
Subject:
cell movement; endothelial cells; exposure duration; hydrodynamics; macrophages; models; monocytes; nanoparticles; physicochemical properties; researchers; shear stress; transporters
Abstract:
... A major hurdle in the development of biomedical nanoparticles (NP) is understanding how they interact with complex biological systems and navigate biological barriers to arrive at pathological targets. It is becoming increasingly evident that merely controlling particle physicochemical properties may not be sufficient to mediate particle biodistribution in dynamic environments. Thus, researchers a ...
DOI:
10.1021/acsami.7b03479

7. Cold Chain-Free Storable Hydrogel for Infant-Friendly Oral Delivery of Amoxicillin for the Treatment of Pneumococcal Pneumonia

Author:
Xu, Keming; Li, Liang; Cui, Mingyue; Han, Yiyuan; Karahan, H. Enis; Chow, Vincent T. K.; Xu, Chenjie
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 18440-18449
ISSN:
1944-8252
Subject:
ambient temperature; amoxicillin; animal models; antibacterial properties; bioavailability; children; death; developing countries; drugs; electricity; hydrogels; ingredients; lungs; methylcellulose; mice; patients; pharmacokinetics; plate count; pneumonia; refrigeration
Abstract:
... Pneumonia is the major cause of death in children under five, particularly in developing countries. Antibiotics such as amoxicillin greatly help in mitigating this problem. However, there is a lack of an infant/toddler-friendly formulation for countries with limited clean water orr electricity. Here, we report the development of a shear-thinning hydrogel system for the oral delivery of amoxicillin ...
DOI:
10.1021/acsami.7b01462

8. Colloidal Synthesis of Te-Doped Bi Nanoparticles: Low-Temperature Charge Transport and Thermoelectric Properties

Author:
Gu, Da Hwi; Jo, Seungki; Jeong, Hyewon; Ban, Hyeong Woo; Park, Sung Hoon; Heo, Seung Hwae; Kim, Fredrick; Jang, Jeong In; Lee, Ji Eun; Son, Jae Sung
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 19143-19151
ISSN:
1944-8252
Subject:
bismuth; electrical conductivity; ions; nanoparticles; synthesis; tellurium; thermal conductivity
Abstract:
... Electronically doped nanoparticles formed by incorporation of impurities have been of great interest because of their controllable electrical properties. However, the development of a strategy for n-type or p-type doping on sub-10 nm-sized nanoparticles under the quantum confinement regime is very challenging using conventional processes, owing to the difficulty in synthesis. Herein, we report the ...
DOI:
10.1021/acsami.7b04404

9. Competitive Inhibition Mechanism of Acetylcholinesterase without Catalytic Active Site Interaction: Study on Functionalized C60 Nanoparticles via in Vitro and in Silico Assays

Author:
Liu, Yanyan; Yan, Bing; Winkler, David A.; Fu, Jianjie; Zhang, Aiqian
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 18626-18638
ISSN:
1944-8252
Subject:
acetylcholinesterase; active sites; binding sites; fullerene; geometry; hydrophobicity; ligands; molecular models; neurotoxicity; pharmacology; prediction; site-directed mutagenesis; toxicology
Abstract:
... Acetylcholinesterase (AChE) activity regulation by chemical agents or, potentially, nanomaterials is important for both toxicology and pharmacology. Competitive inhibition via direct catalytic active sites (CAS) binding or noncompetitive inhibition through interference with substrate and product entering and exiting has been recognized previously as an AChE-inhibition mechanism for bespoke nanomat ...
DOI:
10.1021/acsami.7b05459

10. Complete Prevention of Dendrite Formation in Zn Metal Anodes by Means of Pulsed Charging Protocols

Author:
Garcia, Grecia; Ventosa, Edgar; Schuhmann, Wolfgang
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 18691-18698
ISSN:
1944-8252
Subject:
air; anodes; atomic force microscopy; batteries; dendrites; dielectric spectroscopy; nickel; scanning electron microscopy; surface roughness; zinc
Abstract:
... Zn metal as anode in rechargeable batteries, such as Zn/air or Zn/Ni, suffers from poor cyclability. The formation of Zn dendrites upon cycling is the key limiting step. We report a systematic study of the influence of pulsed electroplating protocols on the formation of Zn dendrites and in turn on strategies to completely prevent Zn dendrite formation. Because of the large number of variables in e ...
DOI:
10.1021/acsami.7b01705

11. Conjugated Polymers Act Synergistically with Antibiotics to Combat Bacterial Drug Resistance

Author:
Tian, Jingxiao; Zhang, Jiangyan; Yang, Jiangtao; Du, Lingyun; Geng, Hao; Cheng, Yongqiang
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 18512-18520
ISSN:
1944-8252
Subject:
Gram-positive bacteria; antibacterial properties; antibiotics; drug resistance; pathogens; polymers; polypeptides; therapeutics
Abstract:
... The emergence of drug-resistant bacteria severely challenges the antimicrobial agents and antibacterial strategy. Here, we demonstrate a novel, simple, and highly efficient combination therapy strategy by direct combinations of cationic conjugated polymers (CCPs) with polypeptide antibiotics against Gram-negative and Gram-positive bacteria based on a synergistic antibacterial effect. The combinati ...
DOI:
10.1021/acsami.7b03906

12. Controllable Growth of Ga Film Electrodeposited from Aqueous Solution and Cu(In,Ga)Se2 Solar Cells

Author:
Bi, Jinlian; Ao, Jianping; Gao, Qing; Zhang, Zhaojing; Sun, Guozhong; He, Qing; Zhou, Zhiqiang; Sun, Yun; Zhang, Yi
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 18682-18690
ISSN:
1944-8252
Subject:
aqueous solutions; cations; copper; molybdenum; photovoltaic cells; protons
Abstract:
... Electrodepositon of Ga film is very challenging due to the high standard reduction potential (−0.53 V vs SHE for Ga³⁺). In this study, Ga film with compact structure was successfully deposited on the Mo/Cu/In substrate by the pulse current electrodeposition (PCE) method using GaCl₃ aqueous solution. A high deposition rate of Ga³⁺ and H⁺ can be achieved by applying a large overpotential induced by ...
DOI:
10.1021/acsami.7b01388

13. Controlled Crystal Grain Growth in Mixed Cation–Halide Perovskite by Evaporated Solvent Vapor Recycling Method for High Efficiency Solar Cells

Author:
Numata, Youhei; Kogo, Atsushi; Udagawa, Yosuke; Kunugita, Hideyuki; Ema, Kazuhiro; Sanehira, Yoshitaka; Miyasaka, Tsutomu
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 18739-18747
ISSN:
1944-8252
Subject:
annealing; chemical elements; hysteresis; photovoltaic cells; porous media; recycling; small cereal grains; solvents; titanium dioxide; vapors
Abstract:
... We developed a new and simple solvent vapor-assisted thermal annealing (VA) procedure which can reduce grain boundaries in a perovskite film for fabricating highly efficient perovskite solar cells (PSCs). By recycling of solvent molecules evaporated from an as-prepared perovskite film as a VA vapor source, named the pot-roast VA (PR-VA) method, finely controlled and reproducible device fabrication ...
DOI:
10.1021/acsami.7b02924

14. Copper–Zinc–Tin–Sulfide Thin Films via Annealing of Ultrasonic Spray Deposited Nanocrystal Coatings

Author:
Williams, Bryce A.; Trejo, Nancy D.; Wu, Albert; Holgate, Collin S.; Francis, Lorraine F.; Aydil, Eray S.
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 18865-18871
ISSN:
1944-8252
Subject:
aerosols; annealing; boiling point; coatings; cyclohexanones; dispersions; droplets; drying; evaporation; glass; models; nanocrystals; nozzles; sodium; solvents; spraying; sulfur; toluene; ultrasonics; vapors; viscosity
Abstract:
... Thin polycrystalline films of the solar absorber copper–zinc–tin–sulfide (CZTS) were formed by annealing coatings deposited on molybdenum-coated soda lime glass via ultrasonic spraying of aerosol droplets from colloidal CZTS nanocrystal dispersions. Production of uniform continuous nanocrystal coatings with ultrasonic spraying requires that the evaporation time is longer than the aerosol flight ti ...
DOI:
10.1021/acsami.7b04414

15. Correlation of Interface Impurities and Chemical Gradients with High Magnetoelectric Coupling Strength in Multiferroic BiFeO3–BaTiO3 Superlattices

Author:
Lorenz, Michael; Hirsch, Dietmar; Patzig, Christian; Höche, Thomas; Hohenberger, Stefan; Hochmuth, Holger; Lazenka, Vera; Temst, Kristiaan; Grundmann, Marius
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 18956-18965
ISSN:
1944-8252
Subject:
barium; cations; mass spectrometry; transmission electron microscopy
Abstract:
... The detailed understanding of magnetoelectric (ME) coupling in multiferroic oxide heterostructures is still a challenge. In particular, very little is known to date concerning the impact of the chemical interface structure and unwanted impurities that may be buried within short-period multiferroic BiFeO₃–BaTiO₃ superlattices during growth. Here, we demonstrate how trace impurities and elemental co ...
DOI:
10.1021/acsami.7b04084

16. Crossfire for Two-Photon Photodynamic Therapy with Fluorinated Ruthenium (II) Photosensitizers

Author:
Qiu, Kangqiang; Wang, Jinquan; Song, Cuilan; Wang, Lili; Zhu, Hongyi; Huang, Huaiyi; Huang, Juanjuan; Wang, Hui; Ji, Liangnian; Chao, Hui
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 18482-18492
ISSN:
1944-8252
Subject:
cytotoxicity; irradiation; mitochondria; neoplasm cells; neoplasms; photochemotherapy; photosensitizing agents; phototoxicity; ruthenium; singlet oxygen
Abstract:
... Synergistic photodynamic therapy (PDT) that combines photosensitizers (PSs) to attack different key sites in cancer cells is very attractive. However, the use of multiple PSs may increase dark cytotoxicity. Additionally, realizing the multiple vein passage of several PSs through dosing could be a challenge in clinical treatment. To address these issues, a novel strategy that enables a single PS to ...
DOI:
10.1021/acsami.7b02977

17. Cup-Shaped Nanoantenna Arrays for Zeptoliter Volume Biochemistry and Plasmonic Sensing in the Visible Wavelength Range

Author:
Drevinskas, Rokas; Rakickas, Tomas; Selskis, Algirdas; Rosa, Lorenzo; Valiokas, Ramu̅nas
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 19082-19091
ISSN:
1944-8252
Subject:
absorption; electric field; glass; gold; nanospheres; proteins; spectral analysis; surface plasmon resonance; wavelengths
Abstract:
... Although three-dimensional shaping of metallic nanostructures is an important strategy for control and manipulation of localized surface plasmon resonance (LSPR), its implementation in high-throughput, on-chip fabrication of plasmonic devices remains challenging. Here, we demonstrate nanocontact-based large-area fabrication of a novel, LSPR-active Au architecture consisting of periodic arrays of r ...
DOI:
10.1021/acsami.7b02749

18. Defect Dominated Charge Transport and Fermi Level Pinning in MoS2/Metal Contacts

Author:
Bampoulis, Pantelis; van Bremen, Rik; Yao, Qirong; Poelsema, Bene; Zandvliet, Harold J. W.; Sotthewes, Kai
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 19278-19286
ISSN:
1944-8252
Subject:
electrodes; electronic equipment; ionization; molybdenum disulfide; sulfur
Abstract:
... Understanding the electronic contact between molybdenum disulfide (MoS₂) and metal electrodes is vital for the realization of future MoS₂-based electronic devices. Natural MoS₂ has the drawback of a high density of both metal and sulfur defects and impurities. We present evidence that subsurface metal-like defects with a density of ∼10¹¹ cm–² induce negative ionization of the outermost S atom comp ...
DOI:
10.1021/acsami.7b02739

19. Directional Fluid Gating by Janus Membranes with Heterogeneous Wetting Properties for Selective Oil–Water Separation

Author:
Gupta, Prashant; Kandasubramanian, Balasubramanian
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 19102-19113
ISSN:
1944-8252
Subject:
accidents; artificial membranes; cleaning; cotton; hydrophobicity; marine ecosystems; nonionic surfactants; oils; petroleum; polytetrafluoroethylene; seepage; surface tension; temperature; wettability
Abstract:
... The rising oil seepage accidents evolved into a global issue necessitating immediate counter measure to abridge its catastrophic repercussions on sensitive marine ecosystem urging innovative techniques for effective oil/water separation. Here, we report surface tailored wettability modified superhydrophobic/superoleophilic Janus membrane by impregnating nonionic surfactant stabilized nanosized pol ...
DOI:
10.1021/acsami.7b03313

20. Dual-Colored Carbon Dot Ratiometric Fluorescent Test Paper Based on a Specific Spectral Energy Transfer for Semiquantitative Assay of Copper Ions

Author:
Liu, Cui; Ning, Dianhua; Zhang, Cheng; Liu, Zhengjie; Zhang, Ruilong; Zhao, Jun; Zhao, Tingting; Liu, Bianhua; Zhang, Zhongping
Source:
ACS Applied Materials & Interfaces 2017 v.9 no.22 pp. 18897-18903
ISSN:
1944-8252
Subject:
absorption; adsorption; color; copper; energy transfer; evolution; fluorescence; ions; ligands; pH; paper
Abstract:
... Classical pH test papers are widely used to measure the acid–base degree of media in a qualitative or semiquantitative manner. However, the extension of portable and inexpensive methods to a wide range of analytes so as to eliminate the tediousness of instrumental assays remains unsuccessful. Here, we report a novel kind of dual-colored carbon dot (CD) ratiometric fluorescent test paper for the se ...
DOI:
10.1021/acsami.7b05827