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Search results for fluorescence microscopy

Optics & Photonics Jun 14, 2024

Wide-field, high-resolution and broadband mesoscopic objective lens

Optical microscopes are indispensable research tools in fields such as life sciences, medical science, and materials science. The objective lens is the core component of the microscope, determining two key parameters of microscopic ...

Cell & Microbiology Jun 25, 2024

New fluorescent reporting system illuminates accumulation of unfolded proteins in endoplasmic reticulum

The endoplasmic reticulum (ER) is a major organelle responsible for protein folding and trafficking. Protein folding stress in the ER can lead to the accumulation of unfolded or misfolded proteins, known as ER stress, which ...

Biochemistry Jul 4, 2024

A closer look at cell toxins: Researchers examine how radionuclides interact with kidney cells

When radionuclides enter our organism, whether by inhalation, ingestion, or through wounds, they pose a potential health risk. Many previous studies on radionuclide exposure have focused mainly on animal experiments. However, ...

Cell & Microbiology Jun 6, 2024

Study suggests marine cyanobacteria communicate via membrane nanotubes

Three years ago, María del Carmen Muñoz, a researcher at the University of Cordoba, was peering into an electron microscope to study the vesicles of marine cyanobacteria and found, almost accidentally, something she did ...

Cell & Microbiology May 24, 2024

Observing mammalian cells with superfast soft X-rays

Researchers have developed a new technique to view living mammalian cells. The team used a powerful laser, called a soft X-ray free electron laser, to emit ultrafast pulses of illumination at the speed of femtoseconds, or ...

Plants & Animals Jun 7, 2024

A protein that enables smell in ants—and stops cell death

While smell plays a considerable role in the social interactions of humans—for instance, signaling fear or generating closeness—for ants, it is vitally important. Researchers from New York University and the University ...

Cell & Microbiology Jul 9, 2024

Phage display technology effectively improves specific targeting ability of anti-microbial peptides against S. aureus

Antibiotics are widely used in clinical treatment and animal production as an effective means to combat microbial infections. Antimicrobial peptides, as potential alternatives to antibiotics, have shown promising applications. ...

Biochemistry Jun 25, 2024

Researchers develop polymer fibers that can facilitate controlled, local drug delivery

Medical products such as ointments or syringes reach their limits when it comes to delivering medication locally—and above all in a controlled manner over a longer period of time. Empa researchers are therefore developing ...

Biochemistry Jul 5, 2024

New probe reveals water-ice microstructures

Ice is believed to have played a crucial role in the emergence of life. One reason is that organic molecules can be excluded into the gaps between the crystal lattice by orderly arranged water molecules, leading to the concentration ...

Analytical Chemistry Jun 3, 2024

Scientists develop 'X-ray vision' technique to see inside crystals

A team of New York University researchers has created a new way to visualize crystals by peering inside their structures, akin to having X-ray vision. Their new technique—which they aptly named "Crystal Clear"—combines ...

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