Features | Partner Sites | Information | LinkXpress
Sign In
PZ HTL SA
GLOBETECH PUBLISHING
GLOBETECH PUBLISHING

Earlier Diagnosis of Melanoma May Soon Become Possible Using T-Rays

By BiotechDaily International staff writers
Posted on 23 Sep 2013
Image: Layers of skin can be probed with terahertz rays in search of signs of skin cancer at its earliest stages of development (Photo courtesy of the [US] National Cancer Institute).
Image: Layers of skin can be probed with terahertz rays in search of signs of skin cancer at its earliest stages of development (Photo courtesy of the [US] National Cancer Institute).
New imaging technology has great potential to diagnose cancer at its earliest and most treatable stages.

Anis Rahman, PhD, president and chief technology officer of Applied Research & Photonics (Harrisburg, PA, USA), reported that malignant melanoma, the most lethal type of skin cancer, begins in pigment-producing cells located in the deepest part of the epidermis (the outer layer of the skin). Biochemical alterations are key characteristics of cancer occur in the melanocytes a long time before mole-like melanomas appear on the skin.

“Terahertz radiation is ideal for looking beneath the skin and detecting early signs of melanoma,” Dr. Rahman said. “T-rays are different from X-rays, which are ‘ionizing’ radiation that can cause damage. T-rays are a form of nonionizing radiation, like ordinary visible light, but they can be focused harmlessly below into the body and capture biochemical signatures of events like the start of cancer.”

T-rays occupy a position in the spectrum of electromagnetic radiation, which includes visible light and X-rays, between microwaves and infrared rays. One of the benefits of T-rays is that they penetrate only a few millimeters through skin, cloth, and other nonmetallic material.

Dr. Rahman’s research on T-rays was made through donated samples of human skin, suggesting that the technology could be valuable in diagnosing melanoma. In addition to developing T-rays for cancer diagnostics, Dr. Rahman’s team has effectively utilized them to measure the real-time absorption rates and penetration in the outer layer of skin of topically applied drugs—measurements that until now had not been possible.

Dr. Rahman presented his findings at a symposium held at the annual American Chemical Society (ACS) 2013 meeting, held September 11, 2013, in Indianapolis (IN, USA).

Related Links:
Applied Research & Photonics


Channels

Genomics/Proteomics

view channel
Image: The TheraCyte cell encapsulation device (Photo courtesy of TheraCyte, Inc.).

Encapsulated Human-Insulin-Producing Progenitor Cells Cure Diabetes in Mouse Model

A breakthrough system that allows subcutaneous implantation of encapsulated immature pancreatic cells (beta progenitor cells) was shown to produce enough insulin to correct the symptoms of diabetes in a mouse model.... Read more

Drug Discovery

view channel
Image: Chitosan is derived from the shells of shrimp and other sea crustaceans, including Alaskan pink shrimp, pictured here (Photo courtesy of NOAA - [US] National Oceanic and Atmospheric Administration).

Chitosan Treatment Clears the Way for Antibiotics to Eliminate Recurrent Urinary Tract Infections

Recurrent urinary tract infection was successfully resolved in a mouse model by treatment with the exfoliant chitosan followed by a round of antibiotics. Bacterial urinary tract infection (UTI), most... Read more

Biochemistry

view channel

Mitochondrial Cause of Aging Can Be Reversed

Researchers have found a cause of aging in lab animals that can be reversed, possibly providing an avenue for new treatments for age-related diseases including type 2 diabetes, cancer, muscle wasting, and inflammatory diseases. The researchers plan to begin human trials late 2014. The study, which was published December... Read more

Therapeutics

view channel

Cytokine Identified That Causes Mucositis in Cancer Therapy Patients

The action of the cytokine interleukin 1-beta (IL-1beta) has been found to underlie the onset of mucositis, a common, severe side effect of chemotherapy and irradiation of cancer patients. Mucositis occurs as a result of cell death in reaction to chemo- or radiotherapy. The mucosal lining of the mouth becomes thin, may... Read more

Lab Technologies

view channel
Image: Diagram of the apparatus for testing drug solubility (Photo courtesy of the University of Huddersfield).

Novel Apparatus Mimics the Human Digestive System for Oral Drug Studies

A team of British drug developers has created an instrument that mimics the human digestive system, which will allow them to accurately determine how orally-administered medications are dissolved and then absorbed.... Read more

Business

view channel

Analytical Sciences Trade Fair Declared a Rousing Success

Organizers of this year's 24th "analytica" biosciences trade fair have reported significant increases in both the number of visitors and exhibitors compared to the 2012 event. The analytica trade fair for laboratory technology, analysis, and biotechnology has been held at the Munich (Germany) Trade Fair Center every... Read more
 
Copyright © 2000-2014 Globetech Media. All rights reserved.