Nanotech promises big things for poor -- but will promises be kept?

"Nanotechnology has the potential to generate enormous health benefits for the more than five billion people living in the developing world," according to Dr. Peter A. Singer, senior scientist at the McLaughlin-Rotman Centre for Global Health and Professor of Medicine at University of Toronto. "Nanotechnology might provide less-industrialized countries with powerful new tools for diagnosing and treating disease, and might increase the availability of clean water."

"But it remains to be seen whether novel applications of nanotechnology will deliver on their promise. A fundamental problem is that people are not engaged and are not talking to each other. Business has little incentive—as shown by the lack of new drugs for malaria, dengue fever and other diseases that disproportionately affect people in developing countries—to invest in the appropriate nanotechnology research targeted at the developing world. Government foreign assistance agencies do not often focus, or focus adequately, on science and technology. With scant public awareness of nanotechnology in any country, there are few efforts by nongovernmental organizations (NGOs) and community groups to examine how nanotechnology could be directed toward, for example, improving public health in the developing world."

Dr. Singer’s group in Toronto published a study in 2005 identifying and ranking the ten nanotechnologies most likely to benefit the developing world in the near future. Nanotechnology applications related to energy storage, production, and conversion; agricultural productivity enhancement; water treatment and remediation; and diagnosis and treatment of diseases topped the list. Dr. Singer’s group has also shown that there is a surprising amount of nanotechnology R&D activity in several developing countries, and that these nations are directing their nanotechnology innovation systems to address their more pressing needs.

"Countries like Brazil, India, China and South Africa have significant nanotechnology research initiatives that could be directed toward the particular needs of the poor. But there is still a danger—if market forces are the only dynamic—that small minorities of people in wealthy nations will benefit from nanotechnology breakthroughs in the health sector, while large majorities, mainly in the developing world, will not," noted Dr. Andrew Maynard, chief science advisor for the Woodrow Wilson Center’s Project on Emerging Nanotechnologies. "Responsible development of nanotechnology must include benefits for people in both rich and poor nations and at relatively low cost. This also requires that careful attention be paid to possible risks nanotechnology poses for human health and the environment."

Dr. Piotr Grodzinski, director of the Nanotechnology Alliance for Cancer at the National Cancer Institute, National Institutes of Health (NIH) discussed the impact of nanotechnology on diagnostics and therapies for cancer. He said, "It is my belief that nanomaterials and nanomedical devices will play increasingly critical and beneficial roles in improving the way we diagnose, treat, and ultimately prevent cancer and other diseases. But we face challenges; the complexity of clinical implementation and the treatment cost may cause gradual, rather than immediate, distribution of these novel yet effective approaches."

"For example, in the future, it may be possible for citizens in Bangladesh to place contaminated water in inexpensive transparent bottles that will disinfect the water when placed in direct sunlight, or for doctors in Mexico to give patients inhalable vaccines that do not need refrigeration," Dr. Maynard noted. "Nanotechnologies could revolutionize health care in developing countries and make treatments more readily available for diseases that claim millions of lives around the world each year."

The discussion took place at a program entitled "Using Nanotechnology to Improve Health Care in Developing Countries," held at the Woodrow Wilson International Center for Scholars. The event was organized by the Wilson Center’s Project on Emerging Nanotechnologies and Global Health Initiative. It was moderated by Dr. Jeff Spieler, chief of research, technology and utilization for the Office of Population and Reproductive Health at the U.S. Agency for International Development (USAID).

Source: Project on Emerging Nanotechnologies

Related stories:

Nanoscopic screening process to speed drug discovery
Researchers at Wake Forest University are using nanotechnology to search for new cancer-fighting drugs through a process that could be up to 10,000 times faster than current methods.
MU scientists go green with gold, distribute environmentally friendly nanoparticles
Gold nanoparticles are everywhere. They are used in cancer treatments, automobile sensors, cell phones, blood sugar monitors and hydrogen gas production. However, until recently, scientists couldn't create the nanoparticles without producing synthetic chemicals that had negative impacts on the environment. A new method, created by a University of Missouri research team, not only eliminates any negative environmental impact, but also has resulted in national and international recognition for the lead scientist. The research was published recently in the journal Small.
Scientists form alliance to develop nanotoxicology protocols
A team of materials scientists and toxicologists announced the formation of a new international research alliance to establish protocols for reproducible toxicological testing of nanomaterials in both cultured cells and animals. The International Alliance for NanoEHS Harmonization (IANH) was unveiled today at Nanotox 2008, one of the world's largest biennial nanotoxicological research meetings.
Nano vaccine for hepatitis B shows promise for third world
Chronic hepatitis B infects 400 million people worldwide, many of them children. Even with three effective vaccines available, hepatitis B remains a stubborn, unrelenting health problem, especially in Africa and other developing areas. The disease and its complications cause an estimated 1 million deaths globally each year.
An alternative to chemotherapy: Nanoparticles tackle pediatric brain tumors
An interdisciplinary team of researchers at Washington University in St. Louis, led by Karen L. Wooley, Ph.D., James S. McDonnell Distinguished University Professor in Arts & Sciences, is a step closer to delivering cancer-killing drugs to pediatric brain tumors, similar to the tumor that Senator Ted Kennedy is suffering from.
Use of nanomaterials in food packaging poses regulatory challenges
Report uses product scenarios to examine the oversight and regulatory pathways to commercialization
Engineered nanoscale materials (ENMs), which contain novel properties that offer potential benefits for use in food packaging, raise new safety evaluation challenges for regulators and industry, according to a report released today by the Project on Emerging Nanotechnologies (PEN) and the Grocery Manufacturers Association (GMA).
New nanotube sensor can continuously monitor minute amounts of insulin
A new method that uses nanotechnology to rapidly measure minute amounts of insulin is a major step toward developing the ability to assess the health of the body’s insulin-producing cells in real time.
As nanotech goes mainstream, 'toxic socks' raise concerns
Nanotechnology is now available in a store near you. Valued for it’s antibacterial and odor-fighting properties, nanoparticle silver is becoming the star attraction in a range of products from socks to bandages to washing machines. But as silver’s benefits propel it to the forefront of consumer nanomaterials, scientists are recommending a closer examination of the unforeseen environmental and health consequences of nanosilver.

News discussion:

Nanotechnology news