Fluorescence News and Research

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Scientists have captured on video the intracellular version of a postal delivery service

Reporting in the journal Biochemical and Biophysical Research Communications (BBRC), bioengineering researchers at UC San Diego published videos of a key message-carrying protein called paxillin moving abruptly from hubs of communication and transportation activity on the cell surface toward the nucleus.

3 Jun 2007

Biomoda files additional patent protection for lung cancer detection technology

Biomoda, Inc. has confirmed that it is continuing to expand its patent portfolio with a unique patent pending for the use of its patented porphyrin molecule to detect different cell variations of lung cancer.

1 Jun 2007

New adult brain cells may be central to lifelong learning

The steady formation of new brain cells in adults may represent more than merely a patching up of aging brains, a new study has shown.

24 May 2007

Scientists develop method to track immune system enzyme in live animals

Scientists supported by the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) at the National Institutes of Health have created two mouse strains that will permit researchers to trace, in a live animal, the activity of an enzyme believed to play a crucial role both in the normal immune response as well as autoimmunity and B cell tumor development.

18 May 2007

Research sheds light on memory by erasing it

For years, scientists have studied the molecular basis of memory storage, trying to find the molecules that store memory, just as DNA stores genetic memory.

9 May 2007

Fluorescent nanoparticles open up new possibilities for cellular imaging

Scientists from the University of Twente, the Netherlands, have successfully exploited the optical properties of fluorescent nanoparticles to broaden the scope of single-cell microscopy.

9 May 2007

New mapping technique will answer fundamental questions about chromosome structure

Researchers at the University of Illinois have developed a simple and economical technique for imaging and mapping fruit fly chromosomes.

8 May 2007

New way to target and potentially treat tumors

Research teams at Yale University and the University of Rhode Island have demonstrated a new way to target and potentially treat tumors using a short piece of protein that acts like a nanosyringe to deliver tags or therapy to cells, according to a report in the Proceedings of the National Academy of Sciences.

2 May 2007

Methods for marking molecules to identify gene alterations and metabolic shifts

Physical alterations of DNA in chromosomes can cause serious diseases such as Down syndrome, Prader-Willi syndrome, or cancer.

2 May 2007

Traditional African medicines may hold potential for treating high blood pressure

Medicinal plants are an integral part of African culture, one of the oldest and most diverse in the world.

2 May 2007

Two-photon absorption imaging of hemoglobin

In an advance that can potentially assist cancer diagnosis, a new optical technique provides high-resolution, three-dimensional images of blood vessels by taking advantage of the natural multiple-photon-absorbing properties of hemoglobin, the red-blood-cell molecule that carries oxygen throughout the bloodstream.

1 May 2007

Novadaq Technologies acquires fluorescence endoscopy patents from Xillix

Novadaq Technologies Inc. has announced that it has entered into an asset purchase agreement to acquire certain business assets of Xillix Technologies Corp., including all of Xillix's intellectual property, certain capital assets and inventory.

24 Apr 2007

New combined imaging promises insights into multiple sclerosis

Researchers have developed a way to use three types of microscopic imaging techniques simultaneously to analyze living tissue and learn more about the molecular mechanisms of multiple sclerosis, information that could help lead to earlier detection and new treatments.

18 Apr 2007

Bioluminescence part of new imaging technique

CNRS scientists in collaboration have developed a new technique for the in vivo imaging of neuronal function using bioluminescence, based on a GFP-aequorin fusion protein.

18 Apr 2007

Better understanding of membrane fusion

Cells constantly swap cargo bound in vesicles, miniscule membrane-enclosed packages of proteins and other chemicals. Before the swap can take place, the vesicle membrane must fuse with another membrane, creating channels packages can pass through.

18 Apr 2007

Breakthrough in photoswitchable fluorescent protein science

University of Oregon scientists have identified molecular features that determine the light-emitting ability green fluorescent proteins, and by strategically inserting a single oxygen atom they were able to keep the lights turned off for up to 65 hours.

11 Apr 2007