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Posts Tagged "microfluidics"

As microfluidic systems come of age, both rough waters and smooth sailing lie ahead

As microfluidic systems come of age, both rough waters and smooth sailing lie ahead

A Most Frequently Asked Question is posed in the May 2018 Cell Science headline: “Will Microfluidic Cell Culture Fulfill its Long-awaited Potential?” The article notes that the first research papers on microfluidic cell culture are now nineteen years old: “Microfluidic cell culture has now outgrown its infancy and is about to survive its teenage years. It has matured considerably but still needs to transition from academia into clinics and industry. Will it come of age?” Now that it’s ready to exit adolescence, how will it leave the academic nest? (more…)

Microfluidics and the Drug Discovery Pipeline

Microfluidics and the Drug Discovery Pipeline

From antibiotics to antihistamines, every reader has at some point benefited from the range and power of modern medicines. But the cost of drug development is a bitter pill to swallow. Did you know, on average, it takes around 12 years and over £1bn to develop each new medicine1? (more…)

How did microfluidics change biological research?

How did microfluidics change biological research?

In conventional laboratories, a range of available technologies enables scientists to genetically engineer cells, study their migration patterns, determine their mechanical properties and even analyze genetic differences. Nevertheless, protocols for such experiments are set in place by standard equipment and commercial kits, often requiring considerable labor and cost. Although some degree of flexibility is permitted in the alteration of certain parameters, results could be compromised by such change. As such, most biologists are typically averse to making changes to their setup. Performing experiments has thus far meant using gold standard instruments from established pharmaceutical and biotechnological companies. For example, one could start their day preparing 10 L of media for culturing microorganisms in a large chemostat; use a DNA extraction kit to lyse the cells, numerous rounds of centrifugation; DNA purification; proceed on to amplification and target detection using a benchtop real-time Polymerase Chain Amplification (rt-PCR) machine. However, consider this. What if a device the size of a standard laboratory glass slide is able to accomplish these steps from cell culture to mutation identification in half the time and perhaps even half the cost? (more…)

What’s a Discman and how is it a medical diagnostic device? (CD Microfluidics)

What’s a Discman and how is it a medical diagnostic device? (CD Microfluidics)

When I started my pursuit to become a Biomedical Engineer, the last thing I would have ever thought I would end up working in is microfluidics. And why is that? Well, as others in the field have previously discussed, along with friends and family, and even myself; we did not know what microfluidics was. However, this shortly changed as I was fortunate to stumble into the Bio-MEMS laboratory of Dr. Marc Madou at the University of California, Irvine. Dr. Madou specializes and focuses on a specific area of microfluidics known as Compact-Disk or CD microfluidics. One of my fondest memories in the lab was watching a video of Dr. Madou on TedxTalks describing how he was going to turn a Sony Discman into a medical diagnostic device and all I could think to myself was…“What is a Discman?” (more…)

Scientists Should Think Like Marketers: The Organ on a Chip Case

Scientists Should Think Like Marketers: The Organ on a Chip Case

Science and technology are becoming more democratized, and more a part of public debate. At the same time, there is great distrust towards advanced biomedical and life sciences technology1. Public relations and controversy management are very important, but underrated, skills for scientists. It is a good practice to make a habit of imagining how a topic or technology may be presented by the media and perceived by the public. Organ on a chip devices may be a good exercise on how scientists could influence how their work may be received. (more…)

Role of Microfluidics in Targeted Next Generation Sequencing

Role of Microfluidics in Targeted Next Generation Sequencing

Sequencing has created a lot of buzz in the last few decades and now is a big industry with many commercially available machines that can sequence genes ranging from few to billions of bases. On the other hand, several microfluidic platforms have been developed to improve the sequencing technology1,2 ranging from sample enrichment to the final read of the gene sequence, with many of them being commercialized. Sample enrichment is one of the major requirements for sequencing, its efficiency is very important which can be achieved by microfluidic approaches1. This article emphasizes that microfluidics is vital for the development of advanced DNA sequencing techniques, for instance, Targeted-Next Generation Sequencing (NGS). (more…)

Senso-fluidics: Continuous monitoring using sensors in microfluidics

Senso-fluidics: Continuous monitoring using sensors in microfluidics

Humans have always been fascinated with reverse engineering, whether to create Frankenstein or artificial organs. This science fiction is slowly becoming a reality using the organ-on-chip and tissue engineering technology. In organ-on-chip technology, the physiological function of a human organ is closely mimicked inside a microfluidic channel. Tissue engineering may involve bio-printing of living cells inside a scaffold to mimic a whole organ. Both these technologies offer great promise for developing personalized medicine and studying disease models. The successful use of this technology will depend on the ability to maintain healthy cell environment and monitor biological processes inside microfluidic channels for an extended period of time (~2-4 weeks). By integrating sensors inside microfluidic channels, these parameters can be continuously monitored. The advantages of integrating sensors into microfluidic channels are: (more…)

Seeing is believing: Tissue-chips on the quest to end blindness

Seeing is believing: Tissue-chips on the quest to end blindness

In 2007, Doug Oliver nearly hit two pedestrians while driving his car, and then turned a corner and almost hit a third. He had not seen the pedestrians at all. A police officer gave him two choices: hand over your driver’s license or see an eye doctor. The doctor gave a chilling diagnosis: “At 45, I was legally blind. I went into shock,” Oliver said.

Oliver was born with good eyesight, but due to a hereditary condition, over a decade he had gradually lost much of his vision. For years his sight had been worsening until he underwent experimental stem cell surgery in a Florida-based treatment study. His vision loss was reversed by that surgery in 2015. “I went from legally blind to legal-to-drive in eight weeks,” said the Nashville, Tenn., man. (more…)

Microfluidics and male fertility

Microfluidics and male fertility

Infertility is an ever-increasing public health concern. More than 70 million couples worldwide have experienced infertility issues at least once in their life. This number is one out of each six couples in Canada and Australia. In contrast to many other health concerns, such as Malaria and HIV/AIDS, that mostly affect low-resource settings, infertility is a much bigger concern in developed countries. Notably, in countries such as Canada, USA, UK, Australia, and those in the European Union, the current birth rate per family is far below the threshold of 2.1 to maintain their populations at current levels1. This low birth rate together with the rising trend of infertility point towards a significant aging problem in the near future, which is already a considerable concern for governments and policymakers around the world. Male and female partners each account for ~45% of infertility cases. In the case of male infertility, the issue arises from the incapability of sperm, as a microswimmer, to propagate through the microenvironment of the female reproductive tract to reach the egg and fertilize it. Sperm analysis and selection are crucial to male infertility diagnosis and treatment. However, current clinical methods for semen analysis are costly, and conventional sperm selection approaches are far from the natural process in vivo. (more…)

Microfluidics, meet superbugs

Microfluidics, meet superbugs

When my friends and family ask about my research, and I reply ‘microfluidics’, they always look confused and say, ‘Okay, what is that?’ This is not surprising since I didn’t know the word three years ago. The general public knows about scientific research in certain areas, like cancer, global warming, artificial intelligence and virtual reality. They either are problems we consider important or have applications we can relate to. But in the case of microfluidics, a distinct ‘feature’ is that its fame is mostly restricted to labs that deal with it. But if a technology were to be converted to productivity, people should know something about it, otherwise, they will not become users.

Commercialization of microfluidics has been a point of interest for a long time and has many researchers within the field frustrated. Back in 2006, George Whitesides raised this question in his inspiring paper1, yet more than a decade later we don’t seem to have any good answer.Some say we need a ‘killer app’2, while others point to the gap between academia and industry3. Whatever the reason may be, we can all agree that commercialization is an important step which microfluidics as a technology hasn’t been able to take. (more…)

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