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1. AIE-Active Tetraphenylethylene Cross-Linked N-Isopropylacrylamide Polymer: A Long-Term Fluorescent Cellular Tracker

Author:
Ma, Hengchang; Qi, Chunxuan; Cheng, Chao; Yang, Zengming; Cao, Haiying; Yang, Zhiwang; Tong, Jinhui; Yao, Xiaoqiang; Lei, Ziqiang
Source:
ACS Applied Materials & Interfaces 2016 v.8 no.13 pp. 8341-8348
ISSN:
1944-8252
Subject:
adenocarcinoma; biocompatibility; cell transplantation; crosslinking; fibroblasts; fluorescence; humans; hydrophilicity; hydrophobicity; mice; polymers; staining; temperature; tracer techniques
Abstract:
... There is a great demand to understand cell transplantation, migration, division, fusion, and lysis. Correspondingly, illuminant object-labeled bioprobes have been employed as long-term cellular tracers, which could provide valuable insights into detecting these biological processes. In this work, we designed and synthesized a fluorescent polymer, which was comprised of hydrophilic N-isopropylacryl ...
DOI:
10.1021/acsami.5b11091

2. Algorithmic modeling of spectroscopic data to quantify binary mixtures of vinegars of different botanical origins

Author:
Torrecilla, José S.; Aroca-Santos, Regina; Cancilla, John C.; Matute, Gemma
Source:
Analytical methods 2016 v.8 no.13 pp. 2786-2793
ISSN:
1759-9679
Subject:
apple cider; apples; botanical composition; molasses; neural networks; red wines; regression analysis; rice; spectral analysis; ultraviolet-visible spectroscopy; vinegars; white wines
Abstract:
... Multiple binary mixtures of different kinds of vinegars have been analyzed through UV-Vis absorption. Two types of mathematical models (multiple linear regression (MLR) and artificial neural networks (ANNs)) have been employed to identify and quantify the components of such blends. Six different vinegars were used to prepare these mixtures, each one with a particular botanical origin: white wine, ...
DOI:
10.1039/c5ay03336e

3. Alizarin Complexone Functionalized Mesoporous Silica Nanoparticles: A Smart System Integrating Glucose-Responsive Double-Drugs Release and Real-Time Monitoring Capabilities

Author:
Zou, Zhen; He, Dinggeng; Cai, Linli; He, Xiaoxiao; Wang, Kemin; Yang, Xue; Li, Liling; Li, Siqi; Su, Xiaoya
Source:
ACS Applied Materials & Interfaces 2016 v.8 no.13 pp. 8358-8366
ISSN:
1944-8252
Subject:
alizarin; blood serum; diabetes; disease control; dissociation; esterification; fluorescence; glucose; glycols; humans; hypoglycemic agents; insulin; maleates; monitoring; nanoparticles; porous media; silica
Abstract:
... The outstanding progress of nanoparticles-based delivery systems capable of releasing hypoglycemic drugs in response to glucose has dramatically changed the outlook of diabetes management. However, the developed glucose-responsive systems have not offered real-time monitoring capabilities for accurate quantifying hypoglycemic drugs released. In this study, we present a multifunctional delivery sys ...
DOI:
10.1021/acsami.5b12576

4. Amphiphobic Polytetrafluoroethylene Membranes for Efficient Organic Aerosol Removal

Author:
Feng, Shasha; Zhong, Zhaoxiang; Zhang, Feng; Wang, Yong; Xing, Weihong
Source:
ACS applied materials 2016 v.8 no.13 pp. 8773-8781
ISSN:
1944-8252
Subject:
aerosols; air; contact angle; filtration; fouling; hydrophobicity; oils; polytetrafluoroethylene; surface area; zinc oxide
Abstract:
... Polytetrafluoroethylene (PTFE) membrane is an extensively used air filter, but its oleophilicity leads to severe fouling of the membrane surface due to organic aerosol deposition. Herein, we report the fabrication of a new amphiphobic 1H,1H,2H,2H-perfluorodecyl acrylate (PFDAE)-grafted ZnO@PTFE membrane with enhanced antifouling functionality and high removal efficiency. We use atomic-layer deposi ...
DOI:
10.1021/acsami.5b11315

5. A new green switchable hydrophobic–hydrophilic transition dispersive solid–liquid microextraction of selenium in water samples

Author:
Naeemullah,; Tuzen, Mustafa; Kazi, Tasneem Gul; Citak, Demirhan
Source:
Analytical methods 2016 v.8 no.13 pp. 2756-2763
ISSN:
1759-9679
Subject:
Fourier transform infrared spectroscopy; adsorbents; atomic absorption spectrometry; carbon dioxide; carbon nanotubes; detection limit; hydrophilicity; hydrophobicity; microextraction; reference standards; scanning electron microscopy; selenium
Abstract:
... A novel switchable hydrophobic–hydrophilic transition dispersive solid–liquid microextraction (SHT-DSLME) method has been used for the first time as a dispersive/extractive method for the removal of total selenium from real samples. Tetraethylenepentamine modified multi-walled carbon nanotubes (MWCNTs-TEPA) were synthesized and employed as an adsorbent for the removal and analysis of total inorgan ...
DOI:
10.1039/c6ay00278a

6. Antimony(III) Sulfide Thin Films as a Photoanode Material in Photocatalytic Water Splitting

Author:
DeAngelis, Alexander Daniel; Kemp, Kingsley Christian; Gaillard, Nicolas; Kim, Kwang S.
Source:
ACS applied materials 2016 v.8 no.13 pp. 8445-8451
ISSN:
1944-8252
Subject:
antimony; corrosion; electrical resistance; electrodes; hydrogen; lighting; photolysis; sodium sulfate; sulfides; temperature
Abstract:
... For the first time, we present exploratory investigations on the performance of thermally evaporated Sb₂S₃ thin film photoanodes for solar-assisted water-splitting applications. With a band gap of 1.72 eV, a 250 nm thick Sb₂S₃ photoanode showed a saturation photocurrent density of ∼600 μA cm–² measured at 1.0 V reversible hydrogen electrode (RHE) in 0.1 M Na₂SO₄ under 1-sun illumination, with an o ...
DOI:
10.1021/acsami.5b12178

7. A simple, fast and green nanofibers mat-based disk solid-phase extraction technique for chrysoidine analysis in soybean products

Author:
Qi, Feifei; Li, Xiaoqing; Liu, Jingjing; Huang, Kaiping; Rong, Fei; Xu, Qian
Source:
Analytical methods 2016 v.8 no.13 pp. 2837-2844
ISSN:
1759-9679
Subject:
high performance liquid chromatography; nanofibers; pyrroles; solid phase extraction; solvents; soybean products
Abstract:
... A simple, fast and green sample preparation method followed by HPLC-DAD was developed for the determination of chrysoidine in soybean products. A polypyrrole (PPy) functionalized nanofibers mat (PPy-NFsM mat) was positioned in a home-made filter assembled to a nanofibers mat-based disk solid-phase extraction (NFsM-disk SPE) device for sample cleanup and preconcentration. After a simple extraction ...
DOI:
10.1039/c6ay00166a

8. Assessment of organosilane-functionalized nano-carbon black for interference-free on-line Pb(ii) ion enrichment in water, herbal medicines and environmental samples

Author:
Nanicuacua, Daniel Morais; Segatelli, Mariana Gava; Corazza, Marcela Zanetti; Teixeira Tarley, César Ricardo
Source:
Analytical methods 2016 v.8 no.13 pp. 2820-2830
ISSN:
1759-9679
Subject:
Fourier transform infrared spectroscopy; Ginkgo biloba; Raman spectroscopy; acetates; adsorption; detection limit; energy-dispersive X-ray analysis; herbal medicines; ions; lead; marine sediments; pH; scanning electron microscopy; standard deviation; thermogravimetry
Abstract:
... In the present work, commercial nano-carbon black (CB) particles were functionalized with 3-mercaptopropyltrimethoxysilane (3-MPTMS) through a silanization reaction to improve their adsorption capacity towards Pb(ii) ions and hence extend their application as an alternative and low-cost nanocarbonaceous material in the field of separation science. The material was characterized by FT-IR, scanning ...
DOI:
10.1039/c6ay00117c

9. Block Copolymer-Encapsulated CaWO4 Nanoparticles: Synthesis, Formulation, and Characterization

Author:
Lee, Jaewon; Rancilio, Nicholas J.; Poulson, Jean M.; Won, You-Yeon
Source:
ACS Applied Materials & Interfaces 2016 v.8 no.13 pp. 8608-8619
ISSN:
1944-8252
Subject:
cetyltrimethylammonium bromide; citric acid; coatings; composite polymers; ethylene; image analysis; luminescence; micelles; nanocrystals; nanoparticles; oleic acid; surfactants; therapeutics
Abstract:
... We envision that CaWO₄ (CWO) nanocrystals have the potential for use in biomedical imaging and therapy because of the unique ways this material interacts with high-energy radiation. These applications, however, require development of nanoparticle (NP) formulations that are suitable for in vivo applications; primarily, the formulated nanoparticles should be sufficiently small, chemically and biolog ...
DOI:
10.1021/acsami.6b00727

10. Certification of reference materials of sodium tartrate dihydrate and potassium citric monohydrate for water content

Author:
Liu, Wei; Wang, Haifeng; Gu, Xifeng; Quan, Can; Dai, Xinhua
Source:
Analytical methods 2016 v.8 no.13 pp. 2845-2851
ISSN:
1759-9679
Subject:
analytical methods; certification; citrates; drying; humidity; potassium; reference standards; sampling; sodium; thermal stability; uncertainty; water content
Abstract:
... Certified reference materials (CRMs) for the determination of the water content of solids have been used to calibrate Karl Fischer titrators and to validate the measurement method for the accuracy and consistency of results. In the present study, CRMs of sodium tartrate dihydrate and potassium citrate monohydrate for the determination of water content were investigated and certified. The stability ...
DOI:
10.1039/c5ay03067f

11. Characterization of poloxamers by reversed-phase liquid chromatography

Author:
Guan, Bing; Ali, Amr; Peng, Haofan; Hu, Weiwei; Markely, Lam Raga; Estes, Scott; Prajapati, Shashi
Source:
Analytical methods 2016 v.8 no.13 pp. 2812-2819
ISSN:
1759-9679
Subject:
bioprocessing; cell culture; fractionation; gel chromatography; hydrophobicity; ingredients; light scattering; molecular weight; reversed-phase liquid chromatography
Abstract:
... Poloxamer 188 plays a critical role in protecting cells during cell culture bioprocessing. To better understand the properties of poloxamers, a reversed-phase liquid chromatography (RPLC) method was developed to characterize the ingredients in poloxamers. A Waters SunFire C18 column gave good separation of ten poloxamer ingredients, which were monitored by using an ultraviolet (UV) detector at 200 ...
DOI:
10.1039/c5ay03311j

12. Co-intercalation of Mg2+ and Na+ in Na0.69Fe2(CN)6 as a High-Voltage Cathode for Magnesium Batteries

Author:
Kim, Dong-Min; Kim, Youngjin; Arumugam, Durairaj; Woo, Sang Won; Jo, Yong Nam; Park, Min-Sik; Kim, Young-Jun; Choi, Nam-Soon; Lee, Kyu Tae
Source:
ACS Applied Materials & Interfaces 2016 v.8 no.13 pp. 8554-8560
ISSN:
1944-8252
Subject:
cathodes; crystal structure; energy density; ions; lithium batteries; magnesium; sodium
Abstract:
... Thanks to the advantages of low cost and good safety, magnesium metal batteries get the limelight as substituent for lithium ion batteries. However, the energy density of state-of-the-art magnesium batteries is not high enough because of their low operating potential; thus, it is necessary to improve the energy density by developing new high-voltage cathode materials. In this study, nanosized Berl ...
DOI:
10.1021/acsami.6b01352

13. Controllable Heparin-Based Comb Copolymers and Their Self-assembled Nanoparticles for Gene Delivery

Author:
Nie, Jing-Jun; Zhao, Weiyi; Hu, Hao; Yu, Bingran; Xu, Fu-Jian
Source:
ACS Applied Materials & Interfaces 2016 v.8 no.13 pp. 8376-8385
ISSN:
1944-8252
Subject:
composite polymers; cytotoxicity; dimethyl sulfoxide; electrostatic interactions; genes; heparin; methanol; nanoparticles; oils; polyethylene glycol; polymerization; solubility; tetrabutylammonium compounds; transfection
Abstract:
... Polysaccharide-based copolymers have attracted much attention due to their effective performances. Heparin, as a kind of polysaccharide with high negative charge densities, has attracted much attention in biomedical fields. In this work, we report a flexible way to adjust the solubility of heparin from water to oil via the introduction of tetrabutylammonium groups for further functionalization. A ...
DOI:
10.1021/acsami.6b00649

14. Controllable Multicompartmental Capsules with Distinct Cores and Shells for Synergistic Release

Author:
He, Fan; Wang, Wei; He, Xiao-Heng; Yang, Xiu-Lan; Li, Ming; Xie, Rui; Ju, Xiao-Jie; Liu, Zhuang; Chu, Liang-Yin
Source:
ACS Applied Materials & Interfaces 2016 v.8 no.13 pp. 8743-8754
ISSN:
1944-8252
Subject:
calcium alginate; cell culture; drugs; encapsulation
Abstract:
... A facile and flexible approach is developed for controllable fabrication of novel multiple-compartmental calcium alginate capsules from all-aqueous droplet templates with combined coextrusion minifluidic devices for isolated coencapsulation and synergistic release of diverse incompatible components. The multicompartmental capsules exhibit distinct compartments, each of which is covered by a distin ...
DOI:
10.1021/acsami.6b01278

15. Control of Reversible Self-Bending Behavior in Responsive Janus Microstrips

Author:
Oh, Myung Seok; Song, Young Shin; Kim, Cheolgyu; Kim, Jongmin; You, Jae Bem; Kim, Taek-Soo; Lee, Chang-Soo; Im, Sung Gap
Source:
ACS Applied Materials & Interfaces 2016 v.8 no.13 pp. 8782-8788
ISSN:
1944-8252
Subject:
acidity; coatings; crosslinking; drugs; geometry; hydrogels; microstructure; modulus of elasticity; pH; polymers; robots; vapors
Abstract:
... Here, we demonstrate a simple method to systematically control the responsive self-bending behavior of Janus hydrogel microstrips consisting of a polymeric bilayer with a high modulus contrast. The Janus hydrogel microstrips could be easily fabricated by a simple micromolding technique combined with an initiated chemical vapor deposition (iCVD) coating, providing high flexibility in controlling th ...
DOI:
10.1021/acsami.5b12704

16. Co3V2O8 Sponge Network Morphology Derived from Metal–Organic Framework as an Excellent Lithium Storage Anode Material

Author:
Soundharrajan, Vaiyapuri; Sambandam, Balaji; Song, Jinju; Kim, Sungjin; Jo, Jeonggeun; Kim, Seokhun; Lee, Seulgi; Mathew, Vinod; Kim, Jaekook
Source:
ACS Applied Materials & Interfaces 2016 v.8 no.13 pp. 8546-8553
ISSN:
1944-8252
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; anodes; coordination polymers; electrochemistry; electron microscopy; energy; lithium; lithium batteries; nanoparticles; oxides
Abstract:
... Metal–organic framework (MOF)-based synthesis of battery electrodes has presntly become a topic of significant research interest. Considering the complications to prepare Co₃V₂O₈ due to the criticality of its stoichiometric composition, we report on a simple MOF-based solvothermal synthesis of Co₃V₂O₈ for use as potential anodes for lithium battery applications. Characterizations by X-ray diffract ...
DOI:
10.1021/acsami.6b01047

17. CsI as Multifunctional Redox Mediator for Enhanced Li–Air Batteries

Author:
Lee, Chan Kyu; Park, Yong Joon
Source:
ACS Applied Materials & Interfaces 2016 v.8 no.13 pp. 8561-8567
ISSN:
1944-8252
Subject:
air; anodes; batteries; carbon; cesium; electrolytes; ions
Abstract:
... We introduce CsI as a multifunctional redox mediator to enhance the performance of Li–air batteries. CsI dissolved in the electrolyte is ionized into Cs⁺ and I–, which perform their roles in the Li anode and air electrode, respectively. The I– ions in the electrolyte facilitate the dissolution of Li₂O₂ in the air electrode as a redox mediator, which reduces the overpotential of the cell. The low o ...
DOI:
10.1021/acsami.6b01775

18. D–A1–D–A2 Copolymer Based on Pyridine-Capped Diketopyrrolopyrrole with Fluorinated Benzothiadiazole for High-Performance Ambipolar Organic Thin-Film Transistors

Author:
Li, Ping; Xu, Long; Shen, Hongguang; Duan, Xianming; Zhang, Jianqi; Wei, Zhixiang; Yi, Zhengran; Di, Chong-an; Wang, Shuai
Source:
ACS Applied Materials & Interfaces 2016 v.8 no.13 pp. 8620-8626
ISSN:
1944-8252
Subject:
annealing; composite polymers; crystal structure; energy; manufacturing; semiconductors; temperature
Abstract:
... A novel donor–acceptor–donor–acceptor (D–A₁–D–A₂) π-conjugated copolymer (PDBPyDT2FBT) has been prepared by Stille coupling reaction. It is found that PDBPyDT2FBT exhibits low LUMO energy level mainly because of multiple electron-deficient units and donor–acceptor interaction, which is favorable to obtain more efficient electron injection and transport in organic thin-film transistors (OTFTs). Mor ...
DOI:
10.1021/acsami.5b12050

19. Design and Preparation of MnO2/CeO2–MnO2 Double-Shelled Binary Oxide Hollow Spheres and Their Application in CO Oxidation

Author:
Zhang, Jian; Cao, Yidan; Wang, Chang-An; Ran, Rui
Source:
ACS Applied Materials & Interfaces 2016 v.8 no.13 pp. 8670-8677
ISSN:
1944-8252
Subject:
air; annealing; aqueous solutions; carbon; carbon monoxide; catalytic activity; ceric oxide; manganese dioxide; oxidation; potassium permanganate; surface area; synergism
Abstract:
... Herein, we designed an extremely facile method to prepare well-defined MnO₂@CeO₂–MnO₂ ball-in-ball binary oxide hollow spheres by employing carbon spheres (CSs) as sacrificial templates. The synthesis process involves a novel self-assembled approach to prepare core–shell CSs@CeO₂ precursor, which would directly react with KMnO₄ aqueous solution to form yolk–shell CSs@MnO₂/CeO₂–MnO₂ precursor in th ...
DOI:
10.1021/acsami.6b00002

20. Development of a facile and sensitive fluorimetric derivatization reagent for detecting formaldehyde

Author:
Liu, Chao; Cheng, An-Wei; Xia, Xue-Kui; Liu, Yu-Fa; He, Sheng-Wen; Guo, Xu; Sun, Jin-Yue
Source:
Analytical methods 2016 v.8 no.13 pp. 2764-2770
ISSN:
1759-9679
Subject:
ambient temperature; benzene; carbon monoxide; chemical species; derivatization; fluorescence; fluorescence emission spectroscopy; fluorometry; formaldehyde; human health; hydrogen sulfide; nitric oxide; pollutants
Abstract:
... Formaldehyde is one of the main environmental pollutants and has significant impacts on human health. Herein, we developed a derivatization reagent for detecting formaldehyde rapidly, facilely and sensitively. Upon the introduction of formaldehyde, the reagent exhibited significant enhancement in fluorescence spectra at room temperature within 9 minutes, and the enhanced green fluorescence could b ...
DOI:
10.1039/c6ay00108d