Biotechnology and bioengineering – Page 9
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ResearchFungal enzyme given catalytic role inside lithium–air battery
Metalloenzyme changes its structure in harmony with the pH of the battery, promoting oxygen reduction and evolution as required
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Research‘Living bricks’ that can reproduce could cut construction’s carbon footprint
Bacterial biomineralisation harnessed to create building material from sand
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BusinessTissue scaffolds from resin inks
4D Medicine’s biodegradable polymer inks can be 3D-printed into useful biomedical applications
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ResearchBacterium forced to evolve to consume carbon dioxide to make biomass
Tweaked Escherichia coli could help deal with humanity’s carbon dioxide problem
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ResearchRobotic system can plan and perform biosynthesis without human intervention
New strategy combines machine learning with automation and has proven itself optimising a complex biochemical pathway
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ResearchEngineered insulin with enhanced thermal stability inspired by fish-hunting snails
Four-disulfide insulin has similar bioactivity to native human insulin
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NewsTwitter reveals growing global public anxiety about Crispr gene-editing
Sentiment in tweets shows controversial events such as creation of gene-edited babies is worrying people
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NewsStudy claiming gene-edited babies were more likely to die young was wrong
Database bias introduced major error in a now retracted study on Crispr babies’ mortality
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BusinessThe rise of venture philanthropy
More and more charities are investing in companies, and looking for returns on that investment, as an alternative to traditional grants
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ResearchCryogenic properties could promote silkworm fibres into space exploration
Combination of intrinsic and extrinsic mechanisms allows silks to retain both toughness and ductility at extremely low temperatures
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FeatureSewage sells: the hidden value of wastewater
An eye-opening visit to a waste water treatment works uncovers the surprising value in sewage. Hayley Bennett reports
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ResearchNew way to create huge protein polymer chains
Strategy constructs synthetic protein polymers that weigh 0.5MDa
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FeatureStem cell hype
Many clinics around the world offer unproven treatments, while genuine therapies are slowly making their way through trials. Anthony King reports
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ResearchMicrobes and renewable energy turn carbon dioxide into edible protein
Sustainable method for producing proteins for human consumption made possible by clever two-stage bioprocess
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ResearchBiodegradable batteries could be made from modified proteins
Coiled polypeptides modified with redox-active molecules make for eco-friendly single-use batteries
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NewsData manipulation casts shadows on Novartis gene therapy
Manufacturing problems with other new medicines highlight difficulty of developing advanced treatments
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ResearchEngineered cyanobacteria turn carbon dioxide into petrol substitute
Strategy transforms wild photosynthetic organism into a system that could reduce humanity’s reliance on fossil fuels
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ResearchTurbo-charged Crispr gene-editor can make 25 alterations in one go
Theoretically thousands of changes could be made at once using new technique
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ResearchBacterial lasso gets to the heart of stem cell retention problem
A sticky bacterial protein on the surface of stem cells increases homing and retention on damaged heart tissue
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ResearchMicrogel supports 3D printing technique that builds organs out of stem cells
Internal scaffolds made redundant from tissue engineering process