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Search results for micromachines

Cell & Microbiology Jun 16, 2026

A heat sensor for living cells could offer new views of cell metabolism, rapid antibiotic testing

When living cells grow, divide or respond to drugs, they give off tiny amounts of heat that offer information about what the cells are doing. But because these heat signals are so vanishingly small, they have traditionally ...

Optics & Photonics Jun 3, 2026

Ultrafast laser shrinks to chip scale, potentially lowering costs for diagnostics and atomic clocks

Ultrafast lasers emit pulses lasting only a few hundred femtoseconds (quadrillionths of a second). These flashes of light power applications from precision micromachining to eye surgery to optical frequency combs, the Nobel ...

Optics & Photonics Apr 2, 2026

Compact flat-lens system can generate nondiffracting bottle beams

Most laser sources produce Gaussian beams that diverge as they propagate. This natural spreading limits their effectiveness in applications that require light to remain concentrated over long distances. To overcome this challenge, ...

Optics & Photonics Feb 9, 2026

Laser‑written glass chip pushes quantum communication toward practical deployment

As quantum computers continue to advance, many of today's encryption systems face the risk of becoming obsolete. A powerful alternative—quantum cryptography—offers security based on the laws of physics instead of computational ...

Cell & Microbiology Jan 14, 2026

Hydrogel cilia set new standard in microrobotics

Cilia are micrometer-sized biological structures that occur frequently in nature. Their characteristic high-frequency, three-dimensional beating motions (5–40 Hz) play indispensable roles inside the body.

Cell & Microbiology Dec 2, 2025

Smart hydrogels act as 'micromachines' to squeeze and study living cells

Within tissues, cells are embedded in complex, three-dimensional structures known as the extracellular matrix. Their biomechanical interactions play a crucial role in numerous biological processes. Scientists at the Max Planck ...

Optics & Photonics Jun 26, 2025

How harmonic mode-locked Mamyshev oscillators build up multiple laser pulses per cycle

The Mamyshev oscillator (MO) is a type of fiber laser capable of producing high-energy laser pulses at a tunable repetition rate. It is a mode-locked laser which uses light traveling within a closed-loop cavity to produce ...

Cell & Microbiology May 14, 2025

Low-viscosity oil boosts a microfluidic device, enabling safer cell studies and gradient generation

Researchers at Toyohashi University of Technology in Japan, in collaboration with the Institute of Translational Medicine and Biomedical Engineering (IMTIB) in Argentina and the Indian Institute of Technology Madras, have ...

Bio & Medicine Apr 30, 2025

Ultrasound and microrobots team up to boost stem cell therapy for brain repair

A novel study has unveiled a technique that enhances stem cell therapy for neurodegenerative diseases by combining magnetic guidance with localized ultrasound stimulation. This approach successfully navigates magnetically ...

Bio & Medicine Feb 21, 2025

Emerging biomedical ultrasound tech: Flexible micromachined ultrasound transducers

A new review article unveils the world of flexible micromachined ultrasound transducers (MUTs), an emerging technology at the intersection of wearables, ultrasound, and MEMS. These cutting-edge devices, which include both ...

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