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17,798 Newest Publications in journal of the american chemical society

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Pore Environment Control and Enhanced Performance of Enzymes Infiltrated in Covalent Organic Frameworks

11-Jan-2018 | Qi Sun; Chung-Wei Fu; Briana Aguila; Jason Perman; Sai Wang; Hsi-Ya Huang; Feng-Shou Xiao; Shengqian Ma, Journal of the American Chemical Society, 2018

In the drive toward green and sustainable methodologies for chemicals manufacturing, biocatalysts are predicted to have much to offer in the years to come. That being said, their practical applications are often hampered by a lack of long-term operational stability, limited operating range, and a ...

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Pore Environment Control and Enhanced Performance of Enzymes Infiltrated in Covalent Organic Frameworks

11-Jan-2018 | Qi Sun; Chung-Wei Fu; Briana Aguila; Jason Perman; Sai Wang; Hsi-Ya Huang; Feng-Shou Xiao; Shengqian Ma, Journal of the American Chemical Society, 2018

In the drive toward green and sustainable methodologies for chemicals manufacturing, biocatalysts are predicted to have much to offer in the years to come. That being said, their practical applications are often hampered by a lack of long-term operational stability, limited operating range, and a ...

more

Macrocyclization of Interferon–Poly(α-amino acid) Conjugates Significantly Improves the Tumor Retention, Penetration, and Antitumor Efficacy

11-Jan-2018 | Yingqin Hou; Yu Zhou; Hao Wang; Ruijue Wang; Jingsong Yuan; Yali Hu; Kai Sheng; Juan Feng; Shengtao Yang; Hua Lu, Journal of the American Chemical Society, 2018

Cyclization and polymer conjugation are two commonly used approaches for enhancing the pharmacological properties of protein drugs. However, cyclization of parental proteins often only affords a modest improvement in biochemical or cell-based in vitro assays. Moreover, very few studies have ...

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Macrocyclization of Interferon–Poly(α-amino acid) Conjugates Significantly Improves the Tumor Retention, Penetration, and Antitumor Efficacy

11-Jan-2018 | Yingqin Hou; Yu Zhou; Hao Wang; Ruijue Wang; Jingsong Yuan; Yali Hu; Kai Sheng; Juan Feng; Shengtao Yang; Hua Lu, Journal of the American Chemical Society, 2018

Cyclization and polymer conjugation are two commonly used approaches for enhancing the pharmacological properties of protein drugs. However, cyclization of parental proteins often only affords a modest improvement in biochemical or cell-based in vitro assays. Moreover, very few studies have ...

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C–C Coupling on Single-Atom-Based Heterogeneous Catalyst

11-Jan-2018 | Xiaoyan Zhang; Zaicheng Sun; Bin Wang; Yu Tang; Luan Nguyen; Yuting Li; Franklin Feng Tao, Journal of the American Chemical Society, 2018

Compared to homogeneous catalysis, heterogeneous catalysis allows for ready separation of products from the catalyst and thus reuse of the catalyst. C–C coupling is typically performed on a molecular catalyst which is mixed with reactants in liquid phase during catalysis. This homogeneous mixing ...

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Activity-Related Microsecond Dynamics Revealed by Temperature-Jump Förster Resonance Energy Transfer Measurements on Thermophilic Alcohol Dehydrogenase

11-Jan-2018 | Morgan B. Vaughn; Jianyu Zhang; Thomas G. Spiro; R. Brian Dyer; Judith P. Klinman, Journal of the American Chemical Society, 2018

Previous studies of a thermophilic alcohol dehydrogenase (ht-ADH) demonstrated a range of discontinuous transitions at 30 °C that include catalysis, kinetic isotope effects, protein hydrogen–deuterium exchange rates, and intrinsic fluorescence properties. Using the Förster resonance energy ...

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Hybrid Au–Ag Nanostructures for Enhanced Plasmon-Driven Catalytic Selective Hydrogenation through Visible Light Irradiation and Surface-Enhanced Raman Scattering

11-Jan-2018 | Zhen Yin; Ye Wang; Chuqiao Song; Liheng Zheng; Na Ma; Xi Liu; Siwei Li; Lili Lin; Mengzhu Li; Yao Xu; Weizhen Li; Ga ..., Journal of the American Chemical Society, 2018

Herein, we report the successful application of hybrid Au–Ag nanoparticles (NPs) and nanochains (NCs) in the harvesting of visible light energy for selective hydrogenation reactions. For individual Au@Ag NPs with Au25 cores, the conversion and turnover frequency (TOF) are approximately 8 and 10 ...

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Mechanism of OmpG pH-Dependent Gating from Loop Ensemble and Single Channel Studies

11-Jan-2018 | Alan Perez-Rathke; Monifa A. Fahie; Christina Chisholm; Jie Liang; Min Chen, Journal of the American Chemical Society, 2018

Outer membrane protein G (OmpG) from Escherichia coli has exhibited pH-dependent gating that can be employed by bacteria to alter the permeability of their outer membranes in response to environmental changes. We developed a computational model, Protein Topology of Zoetic Loops (Pretzel), to ...

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Cationic Covalent Organic Framework Nanosheets for Fast Li-Ion Conduction

10-Jan-2018 | Hongwei Chen; Hangyu Tu; Chenji Hu; Yi Liu; Derui Dong; Yufei Sun; Yafei Dai; Senlin Wang; Hao Qian; Zhiyong Lin; Li ..., Journal of the American Chemical Society, 2018

Covalent organic frameworks (COFs) with their porous structures that are accommodative of Li salts are considered to be potential candidates for solid-state fast Li+ conductors. However, Li salts simply infiltrated in the pores of solid-state COFs tend to be present in closely associate ion ...

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Cationic Covalent Organic Framework Nanosheets for Fast Li-Ion Conduction

10-Jan-2018 | Hongwei Chen; Hangyu Tu; Chenji Hu; Yi Liu; Derui Dong; Yufei Sun; Yafei Dai; Senlin Wang; Hao Qian; Zhiyong Lin; Li ..., Journal of the American Chemical Society, 2018

Covalent organic frameworks (COFs) with their porous structures that are accommodative of Li salts are considered to be potential candidates for solid-state fast Li+ conductors. However, Li salts simply infiltrated in the pores of solid-state COFs tend to be present in closely associate ion ...

more

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