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Category: nanotechnology

Scientists have developed a new gene-therapy technique by transforming human cells into mass producers of tiny nano-sized particles full of genetic material that has the potential to reverse disease processes.

Though the research was intended as a proof of concept, the experimental therapy slowed tumor growth and prolonged survival in mice with gliomas, which constitute about 80 percent of malignant brain tumors in humans.

The technique takes advantage of exosomes, fluid-filled sacs that cells release as a way to communicate with other cells.

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Optogenetics, a tool for controlling neurons with light, has given neuroscientists the ability to flip brain cells on and off more or less at will, revolutionizing neuroscience.

Yet the technique faces a fundamental challenge: To study all but the outermost part of the brain, researchers need to implant fiber optics or other invasive devices to deliver deep into the brain.

Now, in Proceedings of the National Academy of Sciences, Stanford researchers report that they’ve found a less invasive way to do so: injectable nanoparticles that convert , which can easily penetrate into the brain, into light.

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UCLA scientists James Gimzewski and Adam Stieg are part of an international research team that has taken a significant stride toward the goal of creating thinking machines.

Led by researchers at Japan’s National Institute for Materials Science, the team created an that exhibited characteristics analogous to certain behaviors of the —learning, memorization, forgetting, wakefulness and sleep. The paper, published in Scientific Reports, describes a network in a state of continuous flux.

“This is a system between order and chaos, on the edge of chaos,” said Gimzewski, a UCLA distinguished professor of chemistry and biochemistry, a member of the California NanoSystems Institute at UCLA and a co-author of the study. “The way that the constantly evolves and shifts mimics the . It can come up with different types of behavior patterns that don’t repeat themselves.”

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Scientists have developed a new gene-therapy technique by transforming human cells into mass producers of tiny nano-sized particles full of genetic material that has the potential to reverse disease processes.

Though the research was intended as a proof of concept, the experimental therapy slowed and prolonged survival in mice with gliomas, which constitute about 80 percent of in humans.

The technique takes advantage of exosomes, fluid-filled sacs that release as a way to communicate with other cells.

Read more | >

Materials formed on vanishingly small scales are being used in medicine, electronics, manufacturing and a host of other applications. But scientists have only scratched the surface of understanding how to control building blocks on the nanoscale, where simple machines the size of a virus operate.

Now, a team of researchers led by Dongsheng Li, a materials scientist at PNNL, and collaborators at the University of Michigan and the Chinese Academy of Sciences, have unlocked the secret to one of the most useful nanostructures: the five-fold twin. Their study describing why and how this shape forms is detailed in the journal Science and was presented at the Materials Research Society annual meeting on December 5, 2019.

A cross section of a five-fold twin structure looks for all the world like a pie sliced into five perfectly symmetrical pieces. Nanomaterials with this structure have already been shown to have useful properties and are deployed in for precisely tagging cancerous tumors for imaging and tracking, and in electronics, where they are valued for their mechanical strength.

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Scientists at Tokyo Institute of Technology (Tokyo Tech) have developed a new methodology that allows researchers to assess the chemical composition and structure of metallic particles with a diameter of only 0.5 to 2 nm. This breakthrough in analytical techniques will enable the development and application of minuscule materials in the fields of electronics, biomedicine, chemistry, and more.

The study and development of novel materials have enabled countless technological breakthroughs and are essential across most fields of science, from medicine and bioengineering to cutting-edge electronics. The rational design and analysis of innovative materials at nanoscopic scales allows us to push through the limits of previous devices and methodologies to reach unprecedented levels of efficiency and new capabilities. Such is the case for metal nanoparticles, which are currently in the spotlight of modern research because of their myriad potential applications. A recently developed synthesis method using dendrimer molecules as a template allows researchers to create metallic nanocrystals with diameters of 0.5 to 2 nm (billionths of a meter).

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On Dec. 11, 2019, a general framework for incorporating and correcting for nonclassical electromagnetic phenomena in nanoscale systems will be presented in the journal Nature.

More than 150 years have passed since the publication of James Clerk Maxwell’s “A Dynamical Theory of the Electromagnetic Field” (1865). His treatise revolutionized the fundamental understanding of electric fields, magnetic fields and light. The 20 original equations (elegantly reduced to four today), their boundary conditions at interfaces, and the bulk electronic response functions (dielectric permitivity and magnetic permeability) are at the root of the ability to manipulate electromagnetic fields and light.

Life without Maxwell’s equations would lack most current science, communications and technology.

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NaNotics, in another breakthrough, is promising a new kind of medication, and suggests to have found a way to combat age related diseases; boldly going where no nanotech has gone before.

Lou Hawthorne of NaNotics, LLC opened his presentation at a recent longevity investor event using a clip from Star Trek that shows captain Kirk being giving a shot that restores him to his younger years.

“It’s tempting to assume it’s a drug, but what if the content of that syringe was something new?” NaNotics’ CEO Hawthorne asked. “NaNots are a new class of medicine. They are engineered to do just one thing and that’s the holy grail of medicine design, because most drugs do two things: something you want them to do, and something you don’t. In other words, side effects.”

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I am in shock… Google suddenly as yahoo are allowing conjecture and mendacity be seen as public or scientific opinion. Here is another confused mind who towards the end of her rant quotes Christian scripture as basis to stop Life extension-Transhumanism???

When I say to these minds Behold the leader of Christianity stood for Life abundant-Super Longevity and I can prove such. No matter what lost evangelist or preacher tells you Jesus was a medical researcher of extraordinary magnitude…

NOW BEHOLD THE LOST in this article… https://www.rodofironministries.com/…/transhumanism-and-imm… Respect r.p.berry & AEWR wherein aging now ends we have found the many causes of aging and we have located an expensive cure. We search for partners-investors to now join us in agings end… gerevivify.blogspot.com/

Whether we like it or not, the hybrid age is already here. From genetic manipulation, to AI technology, to nano-technology, robotics, 3D printing, brain mapping, super computing, the list is literally endless. Futurists and Transhumanist philosophers believe that science and technology are limitless, and that humanity’s current cultural traditions and mindset are the mechanisms in place that prohibit human development.

Mankind has experienced formidable technological growth in the past from the early ancestors to the Agrarian Age, the Industrial Age in the 18th century, and the Information Age in the 1970s, from their point of view, we are simply going through another revolutionary leap into what they call, the Hybrid Age.

The Transhumanist Movement, also known as H+ is an intellectual, cultural and political movement that supports technological enhancements in the human body through the use of genetics, robotics, synthetic biology, AI technology among others to modify the physiology, psyche, memory and progeny of a human being and ultimately achieve immortality on earth, (a procedure they believe can be reached within the next decade) whereby human consciousness can be uploaded into a robot, cyborg or possibly, a human clone. The sci-fi novel “Altered Carbon” by Richard K. Morgan captures a cornucopia of technological concepts that are, believe it or not, in experimental stages across the globe, methods such as: human hybridization, CRISPR-technology—Chinese scientists have used CRISPR for gene-editing on 86 human patients; limb regeneration, bionic augmentation, the making of super-soldiers, cloning, Cryonics and the growing interest in information-theoretic death, neuropreservation, suspended animation, molecular nano-technology and so on. Sounds far-fetched right?

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