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https://www.readbyqxmd.com/read/28735193/fabrication-of-in2s3-zn2geo4-composite-photocatalyst-for-degradation-of-acetaminophen-under-visible-light
#1
Tao Yan, Tingting Wu, Yaru Zhang, Meng Sun, Xiaodong Wang, Qin Wei, Bin Du
A novel indium trisulfide/zinc germinate (In2S3/Zn2GeO4) composite was developed via a co-precipitation hydrothermal method. The as-prepared composite was characterized in detail by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and UV-vis diffuse reflectance spectroscopy (DRS). Zn2GeO4 nanorods work as the main photocatalyst while In2S3 nanoparticles deposited on them acts as the photosensitizer. The resulting In2S3/Zn2GeO4 heterogeneous photocatalyst not only has enhanced visible light absorption, but also improved photo-generated charge transfer efficiency with remarkably high efficiency in decomposing acetaminophen (APAP)...
June 23, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28731338/tunable-magnetism-and-extraordinary-sunlight-absorbance-in-indium-triphosphide-monolayer
#2
Naihua Miao, Bin Xu, Nicholas C Bristowe, Jian Zhou, Zhimei Sun
Atomically thin two-dimensional (2D) materials have received considerable research interest due to their extraordinary properties and promising applications. Here we predict the mono-layered indium triphosphide (InP3) as a new semiconducting 2D material with a range of favourable functional properties by means of ab initio calculations. The 2D InP3 crystal shows high stability and promise of experimental synthesis. It possesses an indirect band-gap of 1.14 eV and a high electron mobility of 1919 cm(2)V(-1)s(-1), which can be strongly manipulated with applied strain...
July 21, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28730810/static-and-dynamic-water-motion-induced-instability-in-oxide-thin-film-transistors-and-its-suppression-by-using-low-k-fluoropolymer-passivation
#3
Seungbeom Choi, Jeong-Wan Jo, Jaeyoung Kim, Seungho Song, Jaekyun Kim, Sung Kyu Park, Yong-Hoon Kim
Here, we report static and dynamic water motion-induced instability in indium-gallium-zinc-oxide (IGZO) thin-film transistors (TFTs) and its effective suppression with the use of a simple, solution-processed low-k (ε ~ 1.9) fluoroplastic resin (FPR) passivation layer. The liquid-contact electrification effect, in which an undesirable drain current modulation is induced by a dynamic motion of charged liquid such as water, can cause a significant instability in IGZO TFTs. It was found that by adopting a thin (~44 nm) FPR passivation layer for IGZO TFTs, the current modulation induced by the water-contact electrification was greatly reduced in both off- and on-states of the device...
July 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28727658/white-cell-and-marrow-imaging-subtracting-uncertainty
#4
Chelsey Turner, Alison A Bolster, Carolyn L Paterson, Hugh J Wallace
A subtraction method for assessments of dual-isotope indium-111 (In)-labelled white cell and Tc-nanocoll was proposed, and following a pilot study was introduced in routine service to improve the confidence of reporters. This technical note describes a simple technique to produce subtraction images from routinely acquired images to investigate and exclude post joint replacement infection. Labelled leucocytes (with In) show areas of increased white cell accumulation, whereas Tc-nanocoll images show bone marrow distribution...
July 19, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28726942/conjugated-polymer-covalently-modified-graphene-oxide-quantum-dots-for-ternary-electronic-memory-devices
#5
Fei Fan, Bin Zhang, Yaming Cao, Xutong Yang, Junwei Gu, Yu Chen
Zero dimensional graphene oxide (GO) quantum dots (GOQDs) have been expected to play an important role in the development of new memory materials. When the size of GO was reduced to that of GOQDs, both the electron affinity and ionization potential of GO were found to be decreased, and this was followed by the elevation of lowest energy unoccupied molecular orbital (LUMO) energy level. This implies that the electron withdrawing ability of GOQDs is weaker than that of GO. In this work, a novel arylamine-based polyazomethine covalently functionalized graphene oxide quantum dots (TPAPAM-GOQDs), which was synthesized using an amidation reaction, was for the first time used to fabricate a ternary memory device with a configuration of gold/TPAPAM-GOQDs/indium tin oxide...
July 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/28726939/a-super-flexible-and-custom-shaped-graphene-heater
#6
Tian-Yu Zhang, Hai-Ming Zhao, Dan-Yang Wang, Qian Wang, Yu Pang, Ning-Qin Deng, Hui-Wen Cao, Yi Yang, Tian-Ling Ren
In this paper, we fabricate a graphene film heater through laser reduction on graphene oxide, which is a two-step process. The electrothermal performance of the graphene heater can be adjusted by the laser energy density. While the applied voltage is 18 V, the graphene heater reaches a steady-state temperature of 247.3 °C within 20 s. After the graphene heater is folded in half 100 times, its output temperature remains to be precisely controlled by the input power and the temperature distribution is uniform...
July 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/28726676/a-biokinetic-and-dosimetric-model-for-ionic-indium-in-humans
#7
Martin Andersson, Sören Mattsson, Lennart Johansson, Sigrid Leide-Svegborn
This paper reviews biokinetic data for ionic indium, and proposes a biokinetic model for systemic indium in adult humans. The development of parameter values focuses on human data and indium in the form of ionic indium(III), as indium chloride and indium arsenide. The model presented for systemic indium is defined by five different pools: plasma, bone marrow, liver, kidneys and other soft tissues. The model is based on two subsystems: one corresponding to indium bound to transferrin and one where indium is transported back to the plasma, binds to red blood cell transferrin and is then excreted through the kidneys to the urinary bladder...
July 20, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28726385/low-temperature-post-functionalization-of-highly-conductive-oxide-thin-films-toward-solution-based-large-scale-electronics
#8
Seok-Gyu Ban, Kyung-Tae Kim, Byung Doo Choi, Jeong-Wan Jo, Yong-Hoon Kim, Antonio Facchetti, Myung-Gil Kim, Sung Kyu Park
Although transparent conducting oxides (TCOs) have played a key role in a wide range of solid-state electronics from conventional optoelectronics to emerging electronic systems, the processing temperature and conductivity of solution-processed materials seem to be far exceeding the thermal limitations of soft materials and insufficient for high-perfomance large-area systems, respectively. Here, we report a strategy to form highly conductive and scalable solution-processed oxide materials and their successful translation into large-area electronic applications, which is enabled by photo-assisted post-functionalization at low-temperature...
July 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28723171/detection-of-methanol-with-fast-response-by-monodispersed-indium-tungsten-oxide-ellipsoidal-nanospheres
#9
Chong Wang, Xueying Kou, Ning Xie, Lanlan Guo, Yanfeng Sun, Xiaohong Chuai, Jian Ma, Peng Sun, Yue Wang, Geyu Lu
Indium tungsten oxide ellipsoidal nanospheres were prepared with different In/W ratios by using a simple hydrothermal method without any surfactant for the first time. Sensors based on different In/W ratios samples were fabricated, and one of the samples exhibited better response to methanol compared with others. High content of defective oxygen (Ov) and proper output proportion of In to W might be the main reasons for the better gas sensing properties. The length of the nanosphere was about 150-200 nm, and the width was about 100 nm...
May 26, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28722797/highly-selective-enrichment-of-phosphopeptides-by-on-chip-indium-oxide-functionalized-magnetic-nanoparticles-coupled-with-maldi-tof-ms
#10
Dandan Jiang, Naizhong Song, Xiqian Li, Jiutong Ma, Qiong Jia
Selective and efficient preconcentration is indispensable for low concentration of phosphopeptides in phosphorylated protein-related samples prior to MS-based analysis. Herein, an on-chip system coupled magnetic SPE with MALDI-TOF MS was designed. A metal oxide affinity chromatography (MOAC) material, indium oxide, was coated on the surface of Fe3 O4 magnetic nanoparticles (MNPs) to prepare the adsorbent, spatially confined with an applied magnetic field. The adsorbent exhibited high selectivity for phosphopeptides in tryptic digests of the mixture of β-casein and BSA (1:1000) and the mixture of β-casein, BSA, and ovalbumin (1:100:100)...
July 19, 2017: Proteomics
https://www.readbyqxmd.com/read/28718945/efficient-paw-based-bond-strength-analysis-for-understanding-the-in-si-111-8-%C3%A3-2-4-%C3%A3-1-phase-transition
#11
Andreas Lücke, Uwe Gerstmann, Thomas D Kühne, Wolf G Schmidt
A numerically efficient yet highly accurate implementation of the crystal orbital Hamilton population (COHP) scheme for plane-wave calculations is presented. It is based on the projector-augmented wave (PAW) formalism in combination with norm-conserving pseudopotentials and allows to extract chemical interactions between atoms from band-structure calculations even for large and complex systems. The potential of the present COHP implementation is demonstrated by an in-depth analysis of the intensively investigated metal-insulator transition in atomic-scale indium wires self-assembled on the Si(111) surface...
July 18, 2017: Journal of Computational Chemistry
https://www.readbyqxmd.com/read/28715034/surface-chemistry-and-stability-of-metastable-corundum-type-in2o3
#12
Eva-Maria Köck, Michaela Kogler, Chen Zhuo, Lukas Schlicker, Maged F Bekheet, Andrew Doran, Aleksander Gurlo, Simon Penner
To account for the explanation of an eventual sensing and catalytic behavior of rhombohedral In2O3 (rh-In2O3) and the dependence of the metastability of the latter on gas atmospheres, in situ electrochemical impedance spectroscopic (EIS), Fourier-transform infrared spectroscopic (FT-IR), in situ X-ray diffraction and in situ thermogravimetric analyses in inert (helium) and reactive gases (hydrogen, carbon monoxide and carbon dioxide) have been conducted to link the gas-dependent electrical conductivity features and the surface chemical properties to its metastability towards cubic In2O3...
July 26, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28715000/enhanced-photoelectrochemical-water-splitting-by-oxides-heterojunction-photocathode-coupled-with-ag
#13
Xue Lu, Zhifeng Liu
A novel one-dimensional Co3O4/CuO/Ag composite structure film was directly grown on indium tin oxide glass substrate by a simple hydrothermal method and electrodeposition method. The film was employed for the first time as a photocathode for photoelectrochemical (PEC) water splitting to generate hydrogen. The photocurrent density of the Co3O4/CuO/Ag composite structure achieved -5.13 mA cm(-2) at -0.2 V vs. RHE, which is roughly 12.8 times that of 1D Co3O4 nanowires and 3.31 times Co3O4/CuO heterojunction photocathodes...
July 17, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28714903/sensing-responses-based-on-transfer-characteristics-of-inas-nanowire-field-effect-transistors
#14
Alex C Tseng, David Lynall, Igor Savelyev, Marina Blumin, Shiliang Wang, Harry E Ruda
Nanowire-based field-effect transistors (FETs) have demonstrated considerable promise for a new generation of chemical and biological sensors. Indium arsenide (InAs), by virtue of its high electron mobility and intrinsic surface accumulation layer of electrons, holds properties beneficial for creating high performance sensors that can be used in applications such as point-of-care testing for patients diagnosed with chronic diseases. Here, we propose devices based on a parallel configuration of InAs nanowires and investigate sensor responses from measurements of conductance over time and FET characteristics...
July 16, 2017: Sensors
https://www.readbyqxmd.com/read/28714245/drug-loaded-multifunctional-nanoparticles-targeted-to-the-endocardial-layer-of-the-injured-heart-modulate-hypertrophic-signaling
#15
Mónica P A Ferreira, Sanjeev Ranjan, Sini Kinnunen, Alexandra Correia, Virpi Talman, Ermei Mäkilä, Brianda Barrios-Lopez, Marianna Kemell, Vimalkumar Balasubramanian, Jarno Salonen, Jouni Hirvonen, Heikki Ruskoaho, Anu J Airaksinen, Hélder A Santos
Ischemic heart disease is the leading cause of death globally. Severe myocardial ischemia results in a massive loss of myocytes and acute myocardial infarction, the endocardium being the most vulnerable region. At present, current therapeutic lines only ameliorate modestly the quality of life of these patients. Here, an engineered nanocarrier is reported for targeted drug delivery into the endocardial layer of the left ventricle for cardiac repair. Biodegradable porous silicon (PSi) nanoparticles are functionalized with atrial natriuretic peptide (ANP), which is known to be expressed predominantly in the endocardium of the failing heart...
July 17, 2017: Small
https://www.readbyqxmd.com/read/28712290/high-affinity-assisted-nanoscale-alloys-as-remarkable-bifunctional-catalyst-for-alcohol-oxidation-and-oxygen-reduction-reactions
#16
Jitendra N Tiwari, Wang Geun Lee, Siraj Sultan, Muhammad Yousuf, Ahmad M Harzandi, Varun Vij, Kwang S Kim
A key challenge in developing fuel cells is the fabrication of low-cost electrocatalysts with high activity and long durability for the two half reactions, i.e., the methanol/ethanol oxidation reaction (MOR/EOR) and the oxygen reduction reaction (ORR). Herein, we report a conductivity-enhanced bifunctional electrocatalyst of nanoscale-coated Pt-Pd alloys on both tin-doped-indium (TDI) and reduced-graphene-oxide (rGO), denoted as Pt-Pd@TDI/rGO. The mass activity of Pt in Pt-Pd@TDI/rGO hybrid toward MOR, EOR, and ORR are 2590 mA/mg, 1500 mA/mg, and 2690 mA/mg, respectively...
July 16, 2017: ACS Nano
https://www.readbyqxmd.com/read/28707819/catalytic-regio-and-enantioselective-4-2-annulation-reactions-of-non-activated-allenes-by-a-chiral-cationic-indium-complex
#17
Le Wang, Jian Lv, Long Zhang, Sanzhong Luo
Regio- and enantioselective [4+2] annulation between ,γ-unsaturated -keto esters and non-activated allenes has been achieved by a chiral cationic indium(III)/phosphate catalyst. The reaction affords the corresponding C3-selective dihydropyrans in good yields and with high enantioselectivities (up to 99% ee).
July 14, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28707713/controllable-organic-resistive-switching-achieved-by-one-step-integration-of-cone-shaped-contact
#18
Haifeng Ling, Mingdong Yi, Masaru Nagai, Linghai Xie, Laiyuan Wang, Bo Hu, Wei Huang
Conductive filaments (CFs)-based resistive random access memory possesses the ability of scaling down to sub-nanoscale with high-density integration architecture, making it the most promising nanoelectronic technology for reclaiming Moore's law. Compared with the extensive study in inorganic switching medium, the scientific challenge now is to understand the growth kinetics of nanoscale CFs in organic polymers, aiming to achieve controllable switching characteristics toward flexible and reliable nonvolatile organic memory...
July 14, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28702751/complexes-of-gastrin-with-in-3-ru-3-or-ga-3-ions-are-not-recognised-by-the-cholecystokinin-2-receptor
#19
Marie Laval, Kathryn M Marshall, John Sachinidis, Andrew Scott, Mal Eutick, Graham S Baldwin
The peptide hormone gastrin (Gamide) binds trivalent metal ions, including indium (In), ruthenium (Ru) and gallium (Ga), with high affinity. Complexes of gastrin with chelated isotopes of In and Ga have previously been used for the location of tumours expressing the cholecystokinin 2 receptor (CCK2R). The aim of the present study was to purify the complexes of Gamide with radioactive isotopes of In, Ru or Ga and to investigate their ability to bind to the CCK2R. The radioactive Gamide complexes were purified on Sep-Pak C18 cartridges or by anion exchange HPLC...
July 12, 2017: Journal of Biological Inorganic Chemistry: JBIC
https://www.readbyqxmd.com/read/28702558/high-performance-transparent-in-plane-silicon-nanowire-fin-tfts-via-a-robust-nano-droplet-scanning-crystallization-dynamics
#20
Mingkun Xu, Jimmy Wang, Zhaoguo Xue, Junzhuan Wang, Ping Feng, Linwei Yu, Jun Xu, Yi Shi, Kunji Chen, Pere Roca I Cabarrocas
High mobility, scalable and even transparent thin-film transistors (TFTs) are always being pursued in the field of large area electronics. While excimer laser-beam-scanning can crystallize amorphous Si (a-Si) into high mobility poly-Si, it is limited to small areas. We here demonstrate a robust nano-droplet-scanning strategy that converts an a-Si:H thin film directly into periodic poly-Si nano-channels, with the aid of well-coordinated indium droplets. This enables the robust batch-fabrication of high performance Fin-TFTs with a high hole mobility of >100 cm(2) V(-1) s(-1) and an excellent subthreshold swing of only 163 mV dec(-1), via a low temperature <350 °C thin film process...
July 12, 2017: Nanoscale
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