Ambiq Micro, a provider of ultra-low power integrated circuits for power-sensitive applications, raised $15m in an ARM-backed round that lifted its total funding to $35m.

Focusing on genomic technologies for the livestock industry, new spin-out Delta Genomics will operate as a non-profit.

Oxford University Isis Fund I and other existing investors participate in the round.

Iron Shell is exploiting a new cement-like material dubbed Ferrock.

Vicarious has raised $12m in its series C round, which was led by ABB Technology Ventures, taking the artificial intelligence company's overall funding to nearly $70m.

Pre-tax losses widen to $4.22m but the Durham spin-out is confident it can sustain growth.

C3Nano, the developer of conductive material Active-Grid, has closed a $12m series C round featuring industrial products company Nagase.

The Qualcomm and IDG-backed smartphone maker, which made a $566m profit last year, also plans to invest $1bn to boost its online video content.

Details of the unit's investments in Inrix, PrecisionHawk, Avegant, Reno Sub-Systems and Prelert have emerged over the past two days.

US Department of Energy invests in the Rutgers spin-out with links to Ohio, Purdue and South Florida universities.