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4,362 Newest Publications in green chemistry

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A versatile biosynthetic approach to amide bond formation

03-Jul-2018 | Helena K. Philpott; Pamela J. Thomas; David Tew; Doug E. Fuerst; Sarah L. Lovelock, Green Chemistry, 2018

The development of versatile and sustainable catalytic strategies for amide bond formation is a major objective for the pharmaceutical sector and the wider chemical industry. Herein, we report a biocatalytic approach to amide synthesis which exploits the diversity of Nature's amide bond forming ...

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Sustainable approach to recycling of multilayer flexible packaging using switchable hydrophilicity solvents

03-Jul-2018 | Samy Yousef; Maksym Tatariants; Tamari Mumladze; Gintaras Denafas; Regita Bendikiene; Vidas Makarevicius; Rita ..., Green Chemistry, 2018

Multilayer Flexible Packaging Waste (MFPW) represents the largest fraction of packaging waste and is composed mainly from multiple plastic films (80 wt. %) laminated with Al foil (5 wt.%). Mechanical and chemical recycling technologies are usually used in EU to separate polymeric fraction from ...

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Complex coacervation of natural sophorolipid bolaamphiphile micelles with cationic polyelectrolytes

03-Jul-2018 | Ghazi Ben Messaoud; Lyndsay Promeneur; Martha Brennich; Sophie L. K. W. Roelants; Patrick Le Griel; Niki Baccile, Green Chemistry, 2018

Complex coacervation of polyelectrolytes with surfactant micelles is a promising system for a wide range of applications. However, the development of “green coacervates” from bio-based surfactants and biopolymers has not yet been explored. Herein, complex coacervation of micelles from a bolaform ...

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Sustainable synthesis of single crystalline sulphur-doped graphene quantum dots for bioimaging and beyond

03-Jul-2018 | Monalisa Mukherjee; Sujata Sangam; Apoorv Gupta; Adeeba Shakeel; Rohan Bhattacharya; Arun Kumar Sharma; Dr. Deepa Su ..., Green Chemistry, 2018

The forbearing race of biomedical applications has given peak momentum to iconic trendsetter graphene quantum dots (GQDs). GQDs are zero-dimensional fluorescent carbon-nanomaterials, entailing pronounced quantum confinement effect, abundant edge states, and functional groups. Despite its ...

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Hydrofunctionalization of olefins to value-added chemicals via photocatalytic coupling

03-Jul-2018 | Yonghui Fan; Shenggang Li; Jingxian Bao; Lei Shi; Yanzhang Yang; Fei Yu; Peng Gao; Hui Wang; Liangshu Zhong; Yuhan Sun, Green Chemistry, 2018

A green strategy was developed for synthesis of various value-added chemicals using methanol, acetonitrile, acetic acid, acetone and ethyl acetate as the hydrogen source by coupling them with olefins over heterogeneous photocatalysts. A radical coupling mechanism was proposed for the ...

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Repurposing bacterial extracellular matrix for selective and differential abstraction of rare earth elements

03-Jul-2018 | Pei Kun R. Tay; Avinash Manjula-Basavanna; Neel S. Joshi, Green Chemistry, 2018

The rare earth elements (REEs) play critical roles in modern consumer electronics and clean technologies, but unpredictable supply and environmentally unsustainable extraction practices have spurred efforts to develop green methods of recovering the metals from waste streams. In this regard, we ...

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In situ MnOx/N-doped carbon aerogels from cellulose as monolithic and highly efficient catalysts for upgrading of bioderived aldehydes

03-Jul-2018 | Shenghui Zhou; Guixian Chen; Xiao Feng; Ming Wang; Tao Song; Detao Liu; Fachuang Lu; Haisong Qi, Green Chemistry, 2018

Herein, we report a sustainable route to in-situ synthesize a monolithic MnOx/N-doped carbon aerogel catalyst (Mn-NCA) by pyrolyzing MnO(OH)2-cellulose aerogel precursor based on an alkali–urea aqueous system. The as-obtained Mn-NCA furnish highly efficient catalytic activity for transfer ...

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Rapid pretreatment of Miscanthus using the low-cost ionic liquid triethylammonium hydrogen sulfate at elevated temperatures

03-Jul-2018 | Florence J. V. Gschwend; Francisco Malaret; Somnath Shinde; Agnieszka Brandt-Talbot; Jason P. Hallett, Green Chemistry, 2018

Deconstruction with low-cost ionic liquids (ionoSolv) is a promising method to pre-condition lignocellulosic biomass for the production of renewable fuels, materials and chemicals. This study investigated process intensification strategies for ionoSolv pretreatment of Miscanthus × giganteus with ...

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One-pot synthesize dispersible thermal stable organic downconversion materials under DBU catalyzation for high performance hybrid-LED lamps

03-Jul-2018 | Junjie He; Shixing Yang; Kai Zheng; Youming Zhang; Jun Song; Junle Qu, Green Chemistry, 2018

Lighting market has been dominated by light emitting diodes(LEDs), which not only need Ga for for wafer production, but also consume abundant rare-earth elements Y, Ce and Eu. Hybrid-LEDs using organic downconversion materials(ODMs) is a promising candidate technology to save the rare-earth ...

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The environmental biorefinery: state of the art on the production of hydrogen and value-added biomolecules in mixed-culture fermentation

27-Jun-2018 | Roman Moscoviz; Eric Trably; Nicolas Bernet; Hélène Carrère, Green Chemistry, 2018

The environmental biorefinery consists in recovering and adding value to waste, possibly through a multi-product approach. A first implementation of such concept is the production of methane and nutrient-rich digestate by anaerobic digestion in biogas plants. However, methane and digestate have ...

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