Microscopy News and Research

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Nanoparticle probes with surface enhanced Raman spectroscopic tags for cellular cancer targeting

Cancer biologists are always on the lookout for new methods of studying the effects that drug therapy has on malignant cells.

6 Nov 2006

Multifunctional composite nanoparticles: magnetic, luminescent, and mesoporous

Silica, the mineral of which sand is made, is generally inert in the body and can be modified easily using a variety of well-established chemical reactions.

30 Oct 2006

Diagnostics for tuberculosis: Global demand and market potential

A significant and largely untapped global market exists for more effective and affordable tests to diagnose tuberculosis in low and middle income countries, where most TB cases today occur.

26 Oct 2006

Researchers identify peptide that spurs cargo transport in nerve cells

For the first time, researchers have identified a peptide that can spur cargo transport in nerve cells, a discovery that could help scientists better understand nerve cell function and test possible therapies for neurodegenerative diseases.

24 Oct 2006

Scientists explain how transport proteins can move in cells without bumping into or sticking to anything

Scientists from the Max Planck Institute for Molecular Cell Biology and Genetics (MPI-CBG) in Dresden, along with a colleague from the University of Florida in the United States, have been carrying out research into how transport proteins can move in cells without bumping into or sticking to anything.

24 Oct 2006

Mobile phones increase mens' risk of infertility

More doubt has been cast on the safety of mobile phones by a new study which says men who use them could be risking their fertility.

24 Oct 2006

Researchers discover new method of mapping how bacteria spread within the body

Researchers at the University of Cambridge have discovered a new, more accurate, method of mapping how bacteria spread within the body, a breakthrough that could lead to more effective treatments and prevention of certain bacterial infections.

20 Oct 2006

New Purdue biochip may speed drug development

Purdue University researchers have developed a biochip that measures the electrical activities of cells and is capable of obtaining 60 times more data in just one reading than is possible with current technology.

20 Oct 2006

Researchers find areas in the brain that indicate bilingualism

The finding sheds new light on decades of debate about how the human brain's language centers may actually be enhanced when faced with two or more languages as opposed to only one.

17 Oct 2006

Discovery of mechanism by which Ebola and Marburg viruses cause disease

Researchers in the Greene Infectious Disease Laboratory at Columbia University's Mailman School of Public Health, the Centers for Disease Control and Prevention, and the Caribbean Primate Research Center have discovered a key mechanism by which the Filoviruses, Ebola and Marburg, cause disease.

16 Oct 2006

Phase separation of lipid membranes analyzed with high-resolution secondary ion mass spectrometry

Understanding the chemical composition and organization of cell membranes - what components reside next to each other, how many of each there are and how they respond to their environment - may reveal the secret lives of cells in both health and disease.

9 Oct 2006

Laser technique shows women's skin ages faster than men's

According to German researchers women's skin ages faster than men's - so men become distinguished women just look older!

4 Oct 2006

Smart nanoscale bioreactors for drug delivery

In a powerful demonstration of how to build a multifunctional, smart nanoscale drug delivery system, researchers at the University of Basel have created a drug-loaded nanocontainer that targets specific cells and releases its payload when receiving a specific physiological signal.

2 Oct 2006

Multispectral imaging of clinically relevant cellular targets in tonsil and lymphoid tissue using semiconductor quantum dots

When pathologists examine tissue samples in order to diagnose cancer of the lymphatic system, they examine the relative amounts of a group of proteins known as Cluster of Differentiation markers.

25 Sep 2006

Major breakthrough could lead to improved recovery of the heart after heart attack or cardiac surgery

For the first time ever, researchers at the University of Bristol have been able to directly measure energy levels inside living heart cells, in real time, using the chemical that causes fireflies to light up.

21 Sep 2006

Cisplatin nanoliposomes for cancer therapy

Cisplatin is one of the most powerful and effective drugs for treating a wide variety of cancers, but many tumors develop resistance to this drug, ultimately limiting its benefits for cancer patients.

19 Sep 2006

New screening method shows how nanoparticles interact with human cells

Scientists at the Brookhaven National Laboratory have developed a screening method to examine how newly made nanoparticles interact with human cells following exposure for various times and doses. Using this new method, the investigators have been able to visualize how human cells interact with some specific types of carbon nanoparticles.

12 Sep 2006

Researchers study cells whose membranes have been opened by ultrasound

Researchers have shown how ultrasound energy can briefly "open a door" in the protective outer membranes of living cells to allow entry of drugs and other therapeutic molecules – and how the cells themselves can then quickly close the door.

5 Sep 2006

FluChip can spot bird flu in under 12 hours

Scientists in the United States have developed a new technology that reduces the time it takes to achieve a detailed diagnosis of avian flu, from one week or more down to less than 12 hours.

30 Aug 2006

New microchip enables quick diagnosis of flu strains

Scientists from the University of Colorado at Boulder and the Centers for Disease Control and Prevention (CDC) have developed a microchip-based test that may allow more labs to diagnose influenza infections and learn more about the viruses causing illness.

30 Aug 2006