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Scientists take first step towards creating 'inorganic life'

Date:
September 15, 2011
Source:
University of Glasgow
Summary:
Scientists in Scotland say they have taken their first tentative steps towards creating 'life' from inorganic chemicals potentially defining the new area of 'inorganic biology'.

Researchers led by Professor Lee Cronin at the University of Glasgow have developed inorganic chemical cells (iCHELLs), which show redox activity, chirality, as well as selective permeability towards small molecules, and which can be nested within one another, potentially allowing stepwise reactions to occur in sequence within the cell.
Credit: Image courtesy of University of Glasgow

Scientists at the University of Glasgow say they have taken their first tentative steps towards creating 'life' from inorganic chemicals potentially defining the new area of 'inorganic biology'.

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Professor Lee Cronin, Gardiner Chair of Chemistry in the College of Science and Engineering, and his team have demonstrated a new way of making inorganic-chemical-cells or iCHELLs.

Prof Cronin said: "All life on earth is based on organic biology (i.e. carbon in the form of amino acids, nucleotides, and sugars, etc.) but the inorganic world is considered to be inanimate.

"What we are trying do is create self-replicating, evolving inorganic cells that would essentially be alive. You could call it inorganic biology."

The cells can be compartmentalised by creating internal membranes that control the passage of materials and energy through them, meaning several chemical processes can be isolated within the same cell -- just like biological cells.

The researchers say the cells, which can also store electricity, could potentially be used in all sorts of applications in medicine, as sensors or to confine chemical reactions.

The research is part of a project by Prof Cronin to demonstrate that inorganic chemical compounds are capable of self-replicating and evolving -- just as organic, biological carbon-based cells do.

The research into creating 'inorganic life' is in its earliest stages, but Prof Cronin believes it is entirely feasible.

Prof Cronin said: "The grand aim is to construct complex chemical cells with life-like properties that could help us understand how life emerged and also to use this approach to define a new technology based upon evolution in the material world -- a kind of inorganic living technology.

"Bacteria are essentially single-cell micro-organisms made from organic chemicals, so why can't we make micro-organisms from inorganic chemicals and allow them to evolve?

"If successful this would give us some incredible insights into evolution and show that it's not just a biological process. It would also mean that we would have proven that non carbon-based life could exist and totally redefine our ideas of design."

The paper is published in the journal Angewandte Chemie.


Story Source:

The above story is based on materials provided by University of Glasgow. Note: Materials may be edited for content and length.


Journal Reference:

  1. Geoffrey J. T. Cooper, Philip J. Kitson, Ross Winter, Michele Zagnoni, De-Liang Long, Leroy Cronin. Modular Redox-Active Inorganic Chemical Cells: iCHELLs. Angewandte Chemie International Edition, 2011; DOI: 10.1002/anie.201105068

Cite This Page:

University of Glasgow. "Scientists take first step towards creating 'inorganic life'." ScienceDaily. ScienceDaily, 15 September 2011. <www.sciencedaily.com/releases/2011/09/110915091625.htm>.
University of Glasgow. (2011, September 15). Scientists take first step towards creating 'inorganic life'. ScienceDaily. Retrieved December 21, 2014 from www.sciencedaily.com/releases/2011/09/110915091625.htm
University of Glasgow. "Scientists take first step towards creating 'inorganic life'." ScienceDaily. www.sciencedaily.com/releases/2011/09/110915091625.htm (accessed December 21, 2014).

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