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174,227 Newest Publications of American Chemical Society Publications

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Persistent Luminescence Nanophosphor Involved Near-Infrared Optical Bioimaging for Investigation of Foodborne Probiotics Biodistribution in Vivo: A Proof-of-Concept Study

10-Sep-2017 | Yaoyao Liu; Jing-Min Liu; Dongdong Zhang; Kun Ge; Peihua Wang; Huilin Liu; Guozhen Fang; Shuo Wang, Journal of Agricultural and Food Chemistry, 2017

Probiotics has attracted great attention in food nutrition and safety research field, but thus far there are limited analytical techniques for visualized and real-time monitoring of the probiotics when they are ingested in vivo. Herein, the optical bioimaging technique has been introduced for ...

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Swelling Behavior of Single-Chain Polymer Nanoparticles: Theory and Simulation

08-Sep-2017 | Hauke Rabbel; Patrick Breier; Jens-Uwe Sommer, Macromolecules, 2017

Cross-linking a single polymer chain with itself leads to soft nanoparticles with well-defined properties. We study such single-chain nanoparticles (SCNP) obtained by cross-linking in good and in poor solvents using Monte Carlo simulations and theoretical models. We show that SCNP obtained by ...

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Design and Feasibility Analysis of a Self-Sustaining Biofiltration System for Removal of Low Concentration N2O Emitted from Wastewater Treatment Plants

08-Sep-2017 | Hyun Yoon; Min Joon Song; Sukhwan Yoon, Environmental Science & Technology, 2017

N2O is a potent greenhouse gas and ozone-depletion agent. In this study, a biofiltration system was designed for removal of N2O emitted at low concentrations (99...

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The Versatile Personality of Beryllium: Be(O2)1–2 vs Be(CO)1–2

08-Sep-2017 | Isuru R. Ariyarathna; Evangelos Miliordos, Journal of Physical Chemistry A, 2017

To reveal the diverse chemistry of beryllium, we employ multireference methodologies to study the ground and several excited electronic states of the titled beryllium oxides and carbonyls. The two types of complexes serve as model systems to describe the various ways that beryllium can form ...

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Conformational Entropy from Slowly Relaxing Local Structure Analysis of 15N–H Relaxation in Proteins: Application to Pheromone Binding to MUP-I in the 283–308 K Temperature Range

08-Sep-2017 | Lukáš Žídek; Eva Meirovitch, Journal of Physical Chemistry B, 2017

The slowly relaxing local structure (SRLS) approach is applied to 15N–H relaxation from the major urinary protein I (MUP-I), and its complex with pheromone 2-sec-butyl-4,5-dihydrothiazol. The objective is to elucidate dynamics, and binding-induced changes in conformational entropy. Experimental ...

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Stainless Steel Electrode for Sensitive Luminol Electrochemiluminescent Detection of H2O2, Glucose, and Glucose Oxidase Activity

08-Sep-2017 | Shimeles Addisu Kitte; Wenyue Gao; Yuriy T. Zholudov; Liming Qi; Anaclet Nsabimana; Zhongyuan Liu; Guobao Xu, Analytical Chemistry, 2017

Electrogenerated chemiluminescence (ECL) application of stainless steel, a robust and cost-effective material, has been developed for the first time. Type 304 stainless steel electrode shows appealing ECL performance in the luminol–H2O2 system. It enables the detection of H2O2 with a linear range ...

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Determining the Kinetics of Asphaltene Adsorption from Toluene: A New Reaction–Diffusion Model

08-Sep-2017 | Sophie Campen; Luca di Mare; Benjamin Smith; Janet S. S. Wong, Energy & Fuels, 2017

Fouling by asphaltene, which constitutes the densest, most polar fraction of crude oil, poses a serious problem for the oil production industry. In order to obtain a fundamental understanding of asphaltene deposition, it is necessary to determine both the thermodynamics and kinetics that govern ...

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Reversed-Phase High-Performance Liquid Chromatography for the Quantification and Optimization for Extracting 10 Kinds of Carotenoids in Pepper (Capsicum annuum L.) Leaves

08-Sep-2017 | Jing Li; Jianming Xie; Jihua Yu; Jian Lv; Junfeng Zhang; Xiaolong Wang; Cheng Wang; Chaonan Tang; Yingchun Zhang; Mo ..., Journal of Agricultural and Food Chemistry, 2017

Carotenoids are considered to be crucial elements in many fields and, furthermore, the significant factor in pepper leaves under low light and chilling temperature. However, little literature focused on the method to determinate and extract the contents of carotenoid compositions in pepper ...

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Direct and Rapid Quantitative Analysis of Alkyldibenzothiophenes in Deeply Hydrodesulfurized Diesel Fuel by Gas Chromatography Quadrupole Time-of-Flight Mass Spectrometry

08-Sep-2017 | Xinyi Zhu; Mingxing Liu; Zelong Liu; Ying Li; Songbai Tian, Energy & Fuels, 2017

Polycyclic aromatic sulfur heterocycles are undesirable compounds in fuel and refined petroleum-based products. The sulfur compounds in diesel are limited strictly to an ultralow concentration according to environmental protection rules. Alkyldibenzothiophenes are recalcitrant species in the ...

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Dimeric Ruthenium(II)-NNN Complex Catalysts Bearing a Pyrazolyl-Pyridylamino-Pyridine Ligand for Transfer Hydrogenation of Ketones and Acceptorless Dehydrogenation of Alcohols

08-Sep-2017 | Qingfu Wang; Huining Chai; Zhengkun Yu, Organometallics, 2017

Dimeric pincer-type ruthenium(II)-NNN complexes bearing an unsymmetrical pyrazolyl-pyridylamino-pyridine ligand were prepared and characterized by NMR, elemental analysis, and X-ray single crystal structural determination. These complexes exhibited very high catalytic activity for both transfer ...

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