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1. Coordination-assembled supramolecular nanoplatforms: structural modulation and theranostic applications

Author:
Zhang, Han; Kang, Lei; Zou, Qianli; Xin, Xia; Yan, Xuehai
Source:
Current opinion in biotechnology 2019 v.58 pp. 45-52
ISSN:
0958-1669
Subject:
physicochemical properties,   etc   ; nanotechnology; precision medicine;     Show all 3 Subjects
Abstract:
... Theranostics possessing great potential in the treatment of various diseases gain attentions in recent years. Coordination-assembled supramolecular nanoplatforms are emerged as promising candidates for theranostic applications. With the facile, robust and versatile fabrication, these systems overcome the drawbacks of many existing theranostic nanoplatforms. Coordination-based supramolecular self-a ...
DOI:
10.1016/j.copbio.2018.11.007

2. Recent advances in oxidation and degradation mechanisms of ultrathin 2D materials under ambient conditions and their passivation strategies

Author:
Li, Qiang; Zhou, Qionghua; Shi, Li; Chen, Qian; Wang, Jinlan
Source:
Journal of materials chemistry A 2019 v.7 no.9 pp. 4291-4312
ISSN:
2050-7496
Subject:
physicochemical properties,   etc   ; nanomaterials; oxidation; phosphorus;     Show all 4 Subjects
Abstract:
... Graphene-like two-dimensional (2D) nanomaterials, such as transition metal dichalcogenides (TMDCs) and black phosphorus (BP), have been extensively studied in the recent years due to their numerous and unusual physical and chemical properties that are introduced when charge and heat transports are confined to a plane. However, many 2D materials with atomic-scale thicknesses suffer from oxidation a ...
DOI:
10.1039/c8ta10306b

3. Preparation of magnesium-based two-dimensional phyllosilicate materials and simultaneous antioxidant drug intercalation

Author:
Kim, Seong Yeol; Choi, Yoo-Sung
Source:
Colloids and surfaces 2019 v.569 pp. 164-170
ISSN:
0927-7757
Subject:
physicochemical properties,   etc   ; antioxidants; drugs; models; phase transition;     Show all 5 Subjects
Abstract:
... Two-dimensional (2D) materials with unique physicochemical properties have extraordinary advantages for various applications. Among different modifications for such 2D materials, intercalation provides the highest doping level and induces phase changes in the materials. However, the intercalation process currently in use is complicated, involving exfoliation and lamination of sheets, as well as tr ...
DOI:
10.1016/j.colsurfa.2019.02.065

4. Softening gold for elastronics

Author:
ZhuThese two authors contributed equally to this work., Bowen; Gong, Shu; Cheng, Wenlong
Source:
Chemical Society reviews 2019 v.48 no.6 pp. 1668-1711
ISSN:
1460-4744
Subject:
physicochemical properties,   etc   ; deformation; electronics; gold; humans; industry;     Show all 6 Subjects
Abstract:
... Gold, one of the noble metals, has played a significant role in human society throughout history. Gold's excellent electrical, optical and chemical properties make the element indispensable in maintaining a prosperous modern electronics industry. In the emerging field of stretchable electronics (elastronics), the main challenge is how to utilize these excellent material properties under various me ...
DOI:
10.1039/c8cs00609a

5. Controlled synthesis and assembly of ultra-small nanoclusters for biomedical applications

Author:
WangThese authors contributed equally to this work., Qiyue; Wang, Shuying; Hu, Xi; Li, Fangyuan; Ling, Daishun
Source:
Biomaterials science 2019 v.7 no.2 pp. 480-489
ISSN:
2047-4849
Subject:
physicochemical properties,   etc   ; fluorescence; nanomedicine; nanoparticles; renal clearance;     Show all 5 Subjects
Abstract:
... Inorganic nanomaterials have been studied extensively in recent years because of their unique physical and chemical characteristics. Moreover, ultra-small nanoclusters (USNCs), which are less than 3 nm in size, exhibit extraordinary properties different from those of larger-sized nanoparticles. For example, ultra-small iron oxide nanoclusters (NCs) show paramagnetic properties; ultra-small noble m ...
DOI:
10.1039/c8bm01200h

6. Novel sulfonated poly(ether ether ketone)/triphenylamine hybrid membrane for vanadium redox flow battery applications

Author:
Quan, Yizhou; Wang, Gang; Li, Anfeng; Wei, Xiaoyan; Li, Feng; Zhang, Jie; Chen, Jinwei; Wang, Ruilin
Source:
RSC advances 2019 v.9 no.7 pp. 3838-3846
ISSN:
2046-2069
Subject:
physicochemical properties,   etc   ; batteries; nitrogen; permeability; vanadium;     Show all 5 Subjects
Abstract:
... A novel sulfonated poly(ether ether ketone)/triphenylamine hybrid membrane with various triphenylamine loadings (1%, 2% and 5%) has been successfully fabricated. Optimum triphenylamine loading was confirmed by exploring the physicochemical properties and morphology of different membranes. The hybrid membrane exhibited lower vanadium permeability than pristine SPEEK membranes due to the acid–base i ...
DOI:
10.1039/c8ra09695c

7. Natural Products in the “Marketplace”: Interfacing Synthesis and Biology

Author:
Huffman, Benjamin J.; Shenvi, Ryan A.
Source:
Journal of the American Chemical Society 2019 v.141 no.8 pp. 3332-3346
ISSN:
1520-5126
Subject:
physicochemical properties,   etc   ; chemotypes; drugs; reaction mechanisms; screening;     Show all 5 Subjects
Abstract:
... Drugs are discovered through the biological screening of collections of compounds, followed by optimization toward functional end points. The properties of screening collections are often balanced between diversity, physicochemical favorability, intrinsic complexity, and synthetic tractability (Huggins, D. J.; et al. ACS Chem. Biol. 2011, 6, 208; DOI: 10.1021/cb100420r). Whereas natural product (N ...
DOI:
10.1021/jacs.8b11297

8. Rational chemical doping of metal halide perovskites

Author:
ZhangThese authors contributed equally to this work., Xinyuan; Li, Lina; Sun, Zhihua; Luo, Junhua
Source:
Chemical Society reviews 2019 v.48 no.2 pp. 517-539
ISSN:
1460-4744
Subject:
physicochemical properties,   etc   ; absorption; lead; solar energy; toxicity;     Show all 5 Subjects
Abstract:
... Metal halide perovskites benefit from the combination of wide absorption, high carrier mobility, defect tolerance, moderate exciton binding energies, and versatility of solution processes, showing great promise in photovoltaics and optoelectronics. However, the issues of long-term instability and toxicity of lead are supposed to limit their further practical applications. Chemical doping of an imp ...
DOI:
10.1039/c8cs00563j

9. Fast-FineCut: Grain boundary detection in microscopic images considering 3D information

Author:
Ma, Boyuan; Ban, Xiaojuan; Su, Ya; Liu, Chuni; Wang, Hao; Xue, Weihua; Zhi, Yonghong; Wu, Di
Source:
Micron 2019 v.116 pp. 5-14
ISSN:
0968-4328
Subject:
physicochemical properties,   etc   ; algorithms; image analysis; iron; microstructure;     Show all 5 Subjects
Abstract:
... The inner structure of a material is called its microstructure. It stores the genesis of a material and determines all the physical and chemical properties. However, the microstructure is highly complex and numerous image defects such as vague or missing boundaries formed during sample preparation, which makes it difficult to extract the grain boundaries precisely. In this work, we address the tas ...
DOI:
10.1016/j.micron.2018.09.002

10. Quantitative Characterization of Molecular-Stream Separation

Author:
Kochmann, Sven; Krylov, Sergey N.
Source:
Analytical chemistry 2018 v.90 no.15 pp. 9504-9509
ISSN:
1520-6882
Subject:
physicochemical properties,   etc   ; chromatography; electrophoresis;     Show all 3 Subjects
Abstract:
... Molecular-stream separation (MSS), for example, by free flow electrophoresis or continuous annular chromatography, has great potential for applications that require continuous downstream separation such continuous flow synthesis. Despite its potential, MSS still needs to be greatly advanced, which requires currently lacking tools for quantitative characterization of streams in MSS. We developed an ...
DOI:
10.1021/acs.analchem.8b02186

11. Sulfonated polysulfone proton exchange membrane influenced by a varied sulfonation degree for vanadium redox flow battery

Author:
Zhang, Yuxia; Zheng, Lanyue; Liu, Bo; Wang, Haixia; Shi, Haifeng
Source:
Journal of membrane science 2019 v.584 pp. 173-180
ISSN:
0376-7388
Subject:
physicochemical properties,   etc   ; artificial membranes; batteries; durability; energy efficiency; vanadium;     Show all 6 Subjects
Abstract:
... A series of sulfonated polysulfone (SPSF) proton exchange membranes with varied degree of sulfonation (DS) are prepared through controlling the molar ratio of sulfonated agent and polysulfone (PSF). An optimum DS for SPSF membranes is given by characterizing the physicochemical properties, ion selectivity and vanadium redox flow battery (VRFB) performance. SPSF membrane with DS = 62% (SPSF-62) dem ...
DOI:
10.1016/j.memsci.2019.04.073

12. An investigation on performance and combustion characteristics of pure n-butanol and a blend of n-butanol/ethanol as fuels in a spark ignition engine

Author:
Fagundez, J.L.S.; Golke, D.; Martins, M.E.S.; Salau, N.P.G.
Source:
Energy 2019 v.176 pp. 521-530
ISSN:
0360-5442
Subject:
physicochemical properties,   etc   ; butanol; combustion; ethanol; gasoline; spark ignition engines;     Show all 6 Subjects
Abstract:
... The n-butanol, an alcohol with chemical characteristics similar to gasoline, was evaluated experimentally in a spark ignition (SI) engine and through two-zone computer modelling. To do so, n-butanol was burned as a pure fuel and compared to hydrous ethanol, and a blend of n-butanol/ethanol was compared to a blend of gasoline/ethanol in order to evaluate combustion characteristics and engine perfor ...
DOI:
10.1016/j.energy.2019.04.010

13. Effect of grain boundaries on charge transport in CVD-grown bilayer graphene

Author:
Wu, Jun; Li, Yongchao; Pan, Danfeng; Jiang, Chenghuan; Jin, Chen; Song, Fengqi; Wang, Guanghou; Wan, Jianguo
Source:
Carbon 2019 v.147 pp. 434-440
ISSN:
0008-6223
Subject:
physicochemical properties,   etc   ; copper; crystals; graphene; magnetic fields; temperature; vapors;     Show all 7 Subjects
Abstract:
... Grain boundaries (GBs) in polycrystalline graphene could significantly modulate the physicochemical properties of graphene films, and have attracted intense interest. However, fundamental magnetotransport mechanisms of GBs in bilayer graphene grown by chemical vapour deposition (CVD) are scarcely reported. In this work, we synthesize bilayer graphene bicrystals on polycrystalline Cu foils and meas ...
DOI:
10.1016/j.carbon.2019.03.029

14. Volatile matter release from coal at different heating rates –experimental study and kinetic modelling

Author:
Czajka, Krzysztof M.; Modliński, Norbert; Kisiela-Czajka, Anna M.; Naidoo, Reshendren; Peta, Sandile; Nyangwa, Bonny
Source:
Journal of analytical and applied pyrolysis 2019 v.139 pp. 282-290
ISSN:
0165-2370
Subject:
physicochemical properties,   etc   ; coal; data collection; furnaces; models; pyrolysis; thermogravimetry;     Show all 7 Subjects
Abstract:
... The presented paper examines the impact of heating rate on the yield of volatiles and kinetic parameters describing the devolatilization process of sub-bituminous coal. The behaviour of three coals is investigated with the use of two experimental research methods i.e. Thermogravimetric Analysis (TG) and Drop Tube Furnace (DTF). Network models such as FG-DVC and FLASHCHAIN will also used to derived ...
DOI:
10.1016/j.jaap.2019.03.001

15. A mini-review of isolation, chemical properties and bioactivities of polysaccharides from buckwheat (Fagopyrum Mill)

Author:
Ji, Xiaolong; Han, Lin; Liu, Fang; Yin, Sheng; Peng, Qiang; Wang, Min
Source:
International journal of biological macromolecules 2019 v.127 pp. 204-209
ISSN:
0141-8130
Subject:
physicochemical properties,   etc   ; Fagopyrum; buckwheat; functional foods; glycemic effect; polysaccharides; therapeutics;     Show all 7 Subjects
Abstract:
... Recently, there has an increased focus on the isolation, chemical properties and bioactivities of polysaccharides from buckwheat (Fagopyrum Mill), which is a member of the Polygonaceae family. Phytochemical and pharmacological studies have shown that polysaccharides are important biologically-active components of buckwheat, with numerous biological activities, including antioxidant, antitumor, imm ...
DOI:
10.1016/j.ijbiomac.2019.01.043

16. Data fusion of electronic eye and electronic tongue signals to monitor grape ripening

Author:
Orlandi, Giorgia; Calvini, Rosalba; Foca, Giorgia; Pigani, Laura; Vasile Simone, Giuseppe; Ulrici, Alessandro
Source:
Talanta 2019 v.195 pp. 181-189
ISSN:
0039-9140
Subject:
physicochemical properties,   etc   ; electronic tongue; grapes; least squares; prediction; ripening;     Show all 6 Subjects
Abstract:
... Two separate artificial sensors, an electronic eye (EE) and an electronic tongue (ET), were recently developed to monitor grape ripening based on the analysis of must. The aim of this research is to exploit the complementary information obtained by means of EE and ET sensing systems using different data fusion strategies, in order to develop an integrated device able to quickly and easily quantify ...
DOI:
10.1016/j.talanta.2018.11.046

17. Identification of mercury species in minerals with different matrices and impurities by thermal desorption technique

Author:
Melero, David; Lobato, Belén; López-Antón, Maria Antonia; Martínez-Tarazona, Maria Rosa
Source:
Environmental science and pollution research international 2019 v.26 no.11 pp. 10867-10874
ISSN:
0944-1344
Subject:
physicochemical properties,   etc   ; databases; desorption; geochemistry; mercury; minerals; temperature;     Show all 7 Subjects
Abstract:
... Because of its low concentration, its unique physico-chemical properties and the analytical difficulties associated with its measurement, the determination of mercury species in solids is not an easy task. Thermal desorption (HgTPD) is an attractive option for the identification of mercury species in solids due to its simplicity and accessibility. However, there are still issues that need to be so ...
DOI:
10.1007/s11356-019-04245-8

18. The uptake of microfibers by freshwater Asian clams (Corbicula fluminea) varies based upon physicochemical properties

Author:
Li, Lingyun; Su, Lei; Cai, Huiwen; Rochman, Chelsea M.; Li, Qipei; Kolandhasamy, Prabhu; Peng, Jinping; Shi, Huahong
Source:
Chemosphere 2019 v.221 pp. 107-114
ISSN:
0045-6535
Subject:
physicochemical properties,   etc   ; Corbicula fluminea; clams; freshwater; microplastics; polyesters; polystyrenes;     Show all 7 Subjects
Abstract:
... Microplastic is an umbrella term that covers particles with various physical and chemical properties. However, microplastics with a consistent shape, polymer type and size are generally used in exposure studies (e.g., spherical polyethylene or polystyrene beads 1–100 μm in size). In the present study, we exposed freshwater Asian clams (Corbicula fluminea) to microfibers with different physicochemi ...
DOI:
10.1016/j.chemosphere.2019.01.024

19. Charting Angiosperm Chemistry: Evolutionary Perspective on Specialized Metabolites Reflected in Chemical Property Space

Author:
Henz Ryen, Astrid; Backlund, Anders
Source:
Journal of natural products 2019 v.82 no.4 pp. 798-812
ISSN:
1520-6025
Subject:
physicochemical properties,   etc   ; Angiospermae; biochemical pathways; enzymes; metabolism; metabolites; niches;     Show all 7 Subjects
Abstract:
... Plants possess an outstanding chemical diversity of specialized metabolites developed to adapt to environmental niches and increase fitness. The observed diversity is hypothesized to result from various evolutionary mechanisms, such as the continuous branching off and extension of existing biosynthetic pathways or enhanced levels of catalytic promiscuity in certain enzymes. In this study, ChemGPS- ...
DOI:
10.1021/acs.jnatprod.8b00767

20. A Robust Ethane-Trapping Metal–Organic Framework with a High Capacity for Ethylene Purification

Author:
Qazvini, Omid T.; Babarao, Ravichandar; Shi, Zhao-Lin; Zhang, Yue-Biao; Telfer, Shane G.
Source:
Journal of the American Chemical Society 2019 v.141 no.12 pp. 5014-5020
ISSN:
1520-5126
Subject:
physicochemical properties,   etc   ; adsorbents; adsorption; coordination polymers; ethane; ethylene; feedstocks; manufacturing;     Show all 8 Subjects
Abstract:
... The separation of ethane from ethylene is of prime importance in the purification of chemical feedstocks for industrial manufacturing. However, differentiating these compounds is notoriously difficult due to their similar physicochemical properties. High-performance porous adsorbents provide a solution. Conventional adsorbents trap ethylene in preference to ethane, but this incurs multiple steps i ...
DOI:
10.1021/jacs.9b00913