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H2S-releasing amphiphilic dipeptide hydrogels are potent S. aureus biofilm disruptors

Biomater. Sci., 2020, 8,2564-2576
DOI: 10.1039/D0BM00241K, Paper
Yun Qian, Afnan Altamimi, Shaina Alston Yates, Santu Sarkar, Matthew Cochran, Mingjun Zhou, Nicole Levi-Polyachenko, John B. Matson
Hydrogen sulfide (H2S) is an endogenous signaling gas, and exogenous H2S administration has the potential for promoting wound healing. Here we investigate the antimicrobial effects of H2S-releasing hydrogels in the context of burn wound healing.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Highly responsive and rapid hydrogen peroxide-triggered degradation of polycaprolactone nanoparticles

Biomater. Sci., 2020, 8,2394-2397
DOI: 10.1039/C9BM02019E, Communication
Peng-Hao Hsu, Carina Arboleda, Alexandra Stubelius, Ling-Wei Li, Jason Olejniczak, Adah Almutairi
Nanoparticles formulated from fast-degrading oxidation-responsive polycaprolactone are responsive to 50 μM of H2O2.
The content of this RSS Feed (c) The Royal Society of Chemistry




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A multifunctional metal-biopolymer coordinated double network hydrogel combined with multi-stimulus responsiveness, self-healing, shape memory and antibacterial properties

Biomater. Sci., 2020, Advance Article
DOI: 10.1039/D0BM00425A, Paper
Kun Yan, Feiyang Xu, Chunyu Wang, Yingying Li, Yuanli Chen, Xiufang Li, Zhentan Lu, Dong Wang
A universal, straightforward macroscale assembly technology has been presented for fabrication of polysaccharide-based multifunctional DN gels based on metal coordination chemistry.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




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A super-stretchable, self-healing and injectable supramolecular hydrogel constructed by a host–guest crosslinker

Biomater. Sci., 2020, Advance Article
DOI: 10.1039/D0BM00290A, Paper
Yang Zhou, Yuanhao Zhang, Zhaobo Dai, Fang Jiang, Jia Tian, Weian Zhang
Supramolecular hydrogels based on host–guest interactions have drawn considerable attention due to their unique properties and promising applications.
To cite this article before page numbers are assigned, use the DOI form of citation above.
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Coupling PEG-LZM Polymer Network with Polyphenol Yields Suturable Biohydrogel for Tissue Patching

Biomater. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0BM00429D, Paper
Haoqi Tan, Junjie Sun, Dawei Jin, Jialin Song, Miao Lei, Artem Antoshin, Xin Chen, Meng Yin, Xue Qu, Changsheng Liu
Poor mechanical performances severely limit the application of hydrogel in vivo, for example, it is difficult to perform a very common suturing operation on hydrogel during surgery. There is a...
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Hybrid Phase 1T/2H-MoS2 with Controllable 1T Concentration and Its Promoted Hydrogen Evolution Reaction

Nanoscale, 2020, Accepted Manuscript
DOI: 10.1039/D0NR02525A, Paper
Yuxiao Zhang, Yasutaka Kuwahara, Kohsuke Mori, Catherine Louis, Hiromi Yamashita
MoS2 has been investigated as a low-cost alternative to Pt in electrochemical hydrogen evolution reaction. One of the promising method to further activate MoS2 is phase engineering. MoS2 generally exhibit...
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Multi-praseodymium-and-tungsten bridging octameric tellurotungstate and its 2D honeycomb composite film for detecting estrogen

Nanoscale, 2020, Accepted Manuscript
DOI: 10.1039/D0NR01901A, Paper
Yan Zhang, Jun JIang, Yifan Liu, Pan Li, Yong Liu, Lijuan Chen, Junwei Zhao
Under coordination driving force of tungsten and rare-earth (RE) bridges, we synthesized a novel giant multi-tungsten-and-RE—bridging octameric tellurotungstate (TT) [H2N(CH3)2]16K8Na6H10[Pr8(H2O)20W16O48][B-α-TeW9O33]8·70H2O (1) in CH3CN-H2O mixed solvent. The cluster anion {[Pr8(H2O)20W16O48][B-α-TeW9O33]8}40– features...
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2D molybdenum disulphide nanosheets incorporated with single heteroatoms for the electrochemical hydrogen evolution reaction

Nanoscale, 2020, Advance Article
DOI: 10.1039/D0NR01295E, Minireview
Thomas H. M. Lau, John S. Foord, S. C. Edman Tsang
2D nanosheets give enhanced surface area to volume ratios in particle morphology and they can also provide defined surface sites to disperse foreign atoms.
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Tuning the electronic structure of transition metals embedded in nitrogen-doped graphene for electrocatalytic nitrogen reduction: a first-principles study

Nanoscale, 2020, 12,9696-9707
DOI: 10.1039/D0NR00072H, Paper
Xiaonan Zheng, Yuan Yao, Ya Wang, Yang Liu
The Fe/Mn–N–C catalyst is a promising candidate for the NRR as it shows significantly improved NRR catalytic activity and strong selectivity against the HER.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Modulation engineering of in-situ cathodic activation of FePx based on W-incorporation for hydrogen evolution

Nanoscale, 2020, Accepted Manuscript
DOI: 10.1039/D0NR02661A, Paper
Min Yang, Yu-Ran Zhu, Zhong-Yuan Lin, Xin-Tong Yan, Bin Dong, Ya-Nan Zhou, Qingzhong Li, Yulu Zhou, Jun Nan, Yongming Chai
In-situ electrochemical activation as a new pretreating method to adjust electrocatalytic performance attracts extensive attention. However, the activation mechanisms of electrocatalysts are still ambiguous. Herein, we propose a facile modulation...
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Topological semimetal Li2CrN2 sheet as a promising hydrogen storage material

Nanoscale, 2020, Accepted Manuscript
DOI: 10.1039/D0NR02180F, Paper
Lijuan Ma, Qiang Sun
An ideal electrode for electrochemical storage of hydrogen needs to be conductive for electron. The robust conductivity protected by topology in topological quantum materials just meets this requirement. However, such...
The content of this RSS Feed (c) The Royal Society of Chemistry




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Cable-drawn ferry collides with 'progress'




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Roger Denis Flynn




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The economic and fiscal impacts of the qualified target industry tax incentive program




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The new market tax credit (NMRC) program and other community development model inititaitves




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The geology and hydrogeology of the Sistema Purificación area, Villa Hidalgo, Tamaulipas, Mexico




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Hydrogeology of the Tapeats Amphitheater and Deer Basin, Grand Canyon, Arizona




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The genesis and hydrogeology of a sandstone karst in Pine County, Minnesota




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Strengthening local flood protection programs




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Protocolización de Rogumeca




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Del Ing. José M. Zeledon C., jefe, Departamento de Aguas, para Heibel Rodriguez Araya, gerente general, Instituto Costarricense de Acueductos y Alcantarillados (Aya). Concesión de prorroga




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Vera Zeledón denuncia a ROGUMECA




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Otorgamiento de la concesión de Rogumeca




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SETENA otorga prorroga a ampliacion de viabilidad ambiental




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Del Ing. Luis Diego Castillo Valle, coordinador, Región Central Occidental, SENARA, para el Señor Juan M. Cordero, Calidad de Vida, Defensoria de los Habitantes. Aviso a Defensor de los Habitantes sobre visita de campo a toma de agua Rogumeca




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De Sergio Alb. Fonseca Fernández, asesor, MOPT, para el Ing. Jorge Rojas Chacón, Director de Previsión Vial, MOPT. Solicitud de informe para responder demanda de la Defensoria de los Habitantes en caso Rogumeca




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De Sergio Alberto Fonseca Fernandez, asesor, MOPT, para el Ing. Jorge E. Rojas Chacón, jefe, Previsión Vial, Ministerio de Obras Públicas y Transportes. MOPT permite reactivar trabajos de zajeo de Rogumeca




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Del Lic. Randall Quirós Bustamante, ministro, Ministerio de Obras Públicas y Transportes, para el Lic. José Manuel Echandi, Defensor de los Habitantes. Informe remitido a la Defensoria de los Habitantes sobre caso Rogumeca




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MINAE suspende concesión y trabajos relacionados a Rogumeca




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Plan de asistencia al zanjeo de Rogumeca




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MINAE forma comite de investigación del caso de conceción y trabajos relacionados de Rogumeca




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Del Lic. Randall Quirós Bustamante, ministro, MOPT, para el Ing. Jorge Rojas Chacón, director, Previsión Vial. MOPT suspende permiso de zanjeo a Rogumeca




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Del Lic. Randall Quirós Bustamante, ministro, MOPT, para el Lic. José Manuel Echandi Meza, Defensor de los Habitantes. MOPT remite suspensión de permiso de zanjeos de Rogumeca a la Defensoria de los Habitantes




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De Sergio Alberto Fonseca Fernandez, asesor, MOPT, para la Lic. Patricia Ramirez, abogada designada, MOPT. Informe remitido al Ministerio en caso Rogumeca




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Del Lic. Ronald Muñoz Corea, MOPT, para Sergio Alb. Fonseca Fernández, asesor, MOPT. Informe referente a cuestionamientos remitidos a la Defensoria de los Habitantes por el grupo Monteverde ProNatura en el caso Rogumeca




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MINAE declara sin lugar recurso de revocatoria y reposición presentado por Rogumeca




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Suspensión de investigación de concesion de agua a Rogumeca




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Diagnóstico de la capacidad gerencial, administrativa, productiva, financiera contable y de mercadeo de la Sociedad Usuarios de Agua ROGUMECA




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Estudio de la organización de los productores (ROGUMECA)




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Del Ing. Randall Castillo B. MOPT para Jorge Rojas Chacon, Jefe de Area Prevision Vial del MOPT. Referencia: Inspección de trabajos de zanjeo en Santa Elena, realizados por parte de la Sociedad de Usuarios de Agua ROGUMECA




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Suspención del permiso a ROGUMECA




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Del Consejo Nacional de Vialidad, Conservación Vial Zona Cañas, para el señor Jhonny Guzmán, ROGUMECA y al Sr. Danilo Zamora, Asociación de Desarrollo Santa Elena. Referencia: Inspección de la reanudación de los trabajos




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Del Ing. Randall Castillo B., ingeniero consultor, Conservación Vial Cañas, para Sociedad de Usuarios de Agua ROGUMECA, Monteverde. Referencia: Reparaciones en las Rutas Nacionales No. 606 y 620




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Del Ing. Jorge E. Rojas Chacon, Ministerio de Obras Públicas y Transportes, Previsión Vial, para Sociedad Usuarios de Agua ROGUMECA




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Del Ing. Jorge E. Rojas Chacon, Director, Dirección de Ingenieria, MOPT, para Sociedad de Usuarios de Agua ROGUMECA




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Del Ing. Jorge Enrique Rojas Chacon, jefe, Dirección de Ingenieria, MOPT, para Jhonny Guzmán Zamora, Sociedad de Usuarios de Agua ROGUMECA




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Del Ing. Jorge Enrique Rojas Chacon, jefe, Unidad de Ingenieria, MOPT, para Jhonny Guzmán Z., presidente, SUA ROGUMECA




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Del Ing. Jorge Enrique Rojas Chacon, jefe, Unidad de Ingenieria, MOPT, para Jhonny Guzmán Zamora, Sociedad de Usuarios de Agua ROGUMECA




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Del Ing. Jorge Enrique Rojas Chacon, jefe, Unidad de Ingenieria, MOPT, para Jhonny Guzmán Z., presidente, SUA ROGUMECA




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Del Ing. Jorge E. Rojas Chacon, jefe, Dirección de Ingeniería, MOPT, para Sociedad de Usuarios de Agua ROGUMECA