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Archive for the ‘biotech/medical’ category: Page 461

Sep 14, 2023

Imprisoned scientist who gene-edited babies wanted to transform the human species

Posted by in categories: bioengineering, biotech/medical, genetics, law enforcement

The idea that genetic modification can improve humanity isn’t new, but it has taken some interesting turns within the scientific community over the past few years. One of the most notable comes from the mind of He Jiankui, a Chinese scientist whose gene editing of human babies led to infamy and a prison sentence. Now, He, known as JK to friends, thinks that gene-edited humans could be the future of our species.

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Sep 14, 2023

DNA-based computer can run 100 billion different programs

Posted by in categories: biotech/medical, computing, information science

Mixing and matching various strands of DNA can create versatile biological computer circuits that can take the square roots of numbers or solve quadratic equations.

By Karmela Padavic-Callaghan

Sep 14, 2023

DNA-based programmable gate arrays for general-purpose DNA computing

Posted by in categories: biotech/medical, computing

Generic single-stranded oligonucleotides used as a uniform transmission signal can reliably integrate large-scale DNA integrated circuits with minimal leakage and high fidelity for general-purpose computing.

Sep 13, 2023

Longer Telomere Length In 2023 vs 2022 (Also, Correlations With Diet)

Posted by in categories: biotech/medical, genetics, life extension

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Sep 13, 2023

Estimating life expectancy based on the age of type 2 diabetes diagnosis

Posted by in category: biotech/medical

Similarly, individuals who were diagnosed with diabetes at the age of 40 years died ten years earlier, and those diagnosed at the age of 50 died six years earlier than their healthy counterparts.

A robust association was established between earlier age of diabetes diagnosis and deaths due to vascular and non-neoplastic conditions. Common vascular diseases include stroke and myocardial infarction, while non-neoplastic conditions include neurological, respiratory, and infectious diseases.

The association between life expectancy and diabetes was marginally greater in women than in men. Compared to older adults, higher hazard ratios for mortality were associated with earlier age of diabetes detection.

Sep 13, 2023

Could your daily routine lead to dementia? New research points to sedentary lifestyle as potential risk factor

Posted by in categories: biotech/medical, computing, neuroscience

In a recent study published in JAMA, researchers investigated whether accelerometer-assessed sedentary behavior was associated with incident dementia.

The global population is engaging in more sedentary-type activities such as sitting while using the computer, watching television, and driving. Studies have reported associations between sedentary behavior and cardiometabolic diseases and related mortality; however, its relationship with new-onset dementia is not clear.

Sep 13, 2023

Atezolizumab approved for advanced alveolar soft part sarcoma

Posted by in category: biotech/medical

A clinical trial led by NCI has resulted in FDA approval of the immunotherapy drug atezolizumab (Tecentriq) to treat advanced alveolar soft part sarcoma.

Sep 13, 2023

Y chromosome fully sequenced for the first time, revealing its secrets from ‘telomere-to-telomere’

Posted by in categories: biotech/medical, information science, life extension

Scientists have decoded the Y chromosome in full for the first time. | With the help of advanced algorithms and DNA sequencing techniques, scientists have decoded the Y chromosome in full for the first time.

Sep 13, 2023

Ultrathin nanotech promises to help tackle antibiotic resistance

Posted by in categories: biotech/medical, health, nanotechnology

The innovation – which has undergone advanced pre-clinical trials – is effective against a broad range of drug-resistant bacterial cells, including ‘golden staph’, which are commonly referred to as superbugs.

Antibiotic resistance is a major global health threat, causing about 700,000 deaths annually, a figure which could rise to 10 million deaths a year by 2050 without the development of new antibacterial therapies.

The new study led by RMIT University and the University of South Australia (UniSA) tested black phosphorus-based nanotechnology as an advanced infection treatment and wound healing therapeutic.

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Sep 13, 2023

Hybrid nanoparticles shine new light on targeting cancer cells

Posted by in categories: biotech/medical, chemistry, nanotechnology

Scientists at the Indian Institute of Science (IISc) have developed a new approach to potentially detect and kill cancer cells, especially those that form a solid tumor mass. They have created hybrid nanoparticles made of gold and copper sulfide that can kill cancer cells using heat and enable their detection using sound waves, according to a study published in ACS Applied Nano Materials.

Early detection and treatment are key in the battle against cancer. Copper sulfide nanoparticles have previously received attention for their application in , while , which can be chemically modified to target cancer cells, have shown anticancer effects. In the current study, the IISc team decided to combine these two into hybrid nanoparticles.

“These particles have photothermal, , and photoacoustic properties,” says Jaya Prakash, Assistant Professor at the Department of Instrumentation and Applied Physics (IAP), IISc, and one of the corresponding authors of the paper. Ph.D. students Madhavi Tripathi and Swathi Padmanabhan are co-first authors.

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