Friday, December 16, 2022

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Fermented foods and fiber may lower stress levels, says new study
Oct 2022, phys.org

"psychobiotic" diet - prebiotic and fermented foods

via APC Microbiome in Cork, Ireland: Kirsten Berding et al, Feed your microbes to deal with stress: a psychobiotic diet impacts microbial stability and perceived stress in a healthy adult population, Molecular Psychiatry (2022). DOI: 10.1038/s41380-022-01817-y



Jet lagged plants pave the way to first digital plant
Nov 2022, phys.org

Not just "digital plants" but also "clock-mutant plants" - they mutated the clock genes of a plant, then tehy developed a computational model of these clock mutants using clock gene activity, metabolic and physiological models (in silico, digital twins, etc.)

via University of Edinburgh: Andrew Millar et al, The Arabidopsis Framework Model version 2 predicts the organism-level effects of circadian clock gene mis-regulation, in silico Plants (2022). DOI: 10.1093/insilicoplants/diac010


Quantum dots form ordered material
Nov 2022, phys.org

"Self organizing optoelectronic metamaterial" - a three-dimensional superlattice where quantum dots act like atoms in a crystal

via University of Groningen: Jacopo Pinna et al, Approaching Bulk Mobility in PbSe Colloidal Quantum dots 3D Superlattices, Advanced Materials (2022). DOI: 10.1002/adma.202207364


Researchers unlock light-matter interactions on sub-nanometer scales, leading to 'picophotonics'
Nov 2022, phys.org

"Picophotonics" - picometer-scale electromagnetic waves

via Purdue University: Sathwik Bharadwaj et al, Picophotonics: Anomalous Atomistic Waves in Silicon, Physical Review Applied (2022). DOI: 10.1103/PhysRevApplied.18.044065

AI Art - Golden Child - 2022

The unimon, a new qubit to boost quantum computers for useful applications
Nov 2022, phys.org

"Unimon" - a superconducting qubit that unites in a single circuit the desired properties of increased anharmonicity, full insensitivity to dc charge noise, reduced sensitivity to magnetic noise, and a simple structure consisting only of a single Josephson junction in a resonator to make high-fidelity qubit gates

Bonus - we are currently living in the "noisy intermediate-scale quantum (NISQ) era"

via Aalto University, IQM Quantum Computers, and VTT Technical Research Center: Eric Hyyppä et al, Unimon qubit, Nature Communications (2022). DOI: 10.1038/s41467-022-34614-w


Earth now weighs six ronnagrams: New metric prefixes voted in
Nov 2022, phys.org

  • Earth weighs six ronnagrams; a six followed by 27 zeroes.
  • Jupiter, that's two quettagrams; a two followed by 30 zeros.
  • Hellabytes and Brontobytes were not official, because the abbreviation of H and B were already taken.
  • The only letters that were not used for other units or other symbols were R and Q, hence Ronna and Quetta.

via the 27th General Conference on Weights and Measures.


Fluxonium qubits bring the creation of a quantum computer closer
Nov 2022, phys.org

Quantum words - Fluxonium quibit - operates at a low frequency of about 600 MHz, giving it a longer life cycle and a greater precision of operations, so they are used to make longer algorithms

via Russian National University of Science and Technology: Ilya N. Moskalenko et al, High fidelity two-qubit gates on fluxoniums using a tunable coupler, npj Quantum Information (2022). DOI: 10.1038/s41534-022-00644-x

Diamonds Are a Laser's Best Friend


Diamond mirrors for high-powered lasers
May 2022, phys.org

High-powered lasers do high-powered damage, so the materials that interact with them (like a laser gun) need to be strong. Diamonds with nano-structures etched into them do the job. 

via Harvard John A. Paulson School of Engineering and Applied Sciences: Haig A. Atikian et al, Diamond mirrors for high-power continuous-wave lasers, Nature Communications (2022). DOI: 10.1038/s41467-022-30335-2

Image credit: Thermoelectrics - Vienna University of Technology - 2022 [link]


'Life-like' lasers can self-organize, adapt their structure, and cooperate
Jul 2022, phys.org

I don't understand this at all. But I like the sound of it. 

Next, the team will study how to improve the lasers' autonomous behavior to render them even more life-like. 

via Imperial College London: Riccardo Sapienza, Self-organized lasers from reconfigurable colloidal assemblies, Nature Physics (2022). DOI: 10.1038/s41567-022-01656-2


Why lasers are being used to write inside diamonds
Oct 2022, BBC News

The laser can make atomic-scale changes to create circuitry inside the diamond. That could be useful for making instruments for radiation detection, where a diamond's durability is also an asset. Potentially such circuitry could also be used in quantum computers.


Researchers produce nanodiamonds capable of delivering medicinal and cosmetic remedies through the skin
Sep 2022, phys.org

Laser-based optical method quantifies nanodiamond penetration into layers of the skin and determines their location and concentration within body tissue in a non-invasive manner — eliminating the need for a biopsy. Much like trucks that make deliveries, artificial diamonds can deliver various medications to intended targets.

via Bar-Ilan University: Channa Shapira et al, Noninvasive Nanodiamond Skin Permeation Profiling Using a Phase Analysis Method: Ex Vivo Experiments, ACS Nano (2022). DOI: 10.1021/acsnano.2c03613

Wearing the Future


Encrypted, one-touch, human-machine interface technology unveils user physiology
Sep 2022, phys.org

"Cryptographic bio-human machine interface," or CB-HMI, uses thin hydrogel-coated chemical sensors to collect and detect particular circulating molecules on the skin through natural perspiration.

via UCLA and Stanford: Shuyu Lin et al, A touch-based multimodal and cryptographic bio-human–machine interface, Proceedings of the National Academy of Sciences (2022). DOI: 10.1073/pnas.2201937119



First electronic skin with a mesh structure for long-term attachment with no discomfort
Oct 2022, phys.org

World's first nanomesh-structured electronic skin device (organic field-effect transistor) that can measure and process bio-signals for a prolonged period.

via Daegu Gyeongbuk Institute of Science and Technology: Gihyeok Gwon et al, An All‐Nanofiber‐Based Substrate‐Less, Extremely Conformal, and Breathable Organic Field Effect Transistor for Biomedical Applications, Advanced Functional Materials (2022). DOI: 10.1002/adfm.202204645


Standalone sweat sensor provides immediate readout
Oct 2022, phys.org

Fully-integrated soft skin patch includes all the essential components that are required for wearable sensors: two integrated batteries, a microcontroller, sensors, the circuit, and a stretchable non-light-emitting display called electrochromic display.

via University of California San Diego: Lu Yin et al, A stretchable epidermal sweat sensing platform with an integrated printed battery and electrochromic display, Nature Electronics (2022). DOI: 10.1038/s41928-022-00843-6


A high-resolution, wearable electrotactile rendering device that virtualizes the sense of touch
Oct 2022, phys.org

Wearable tactile rendering system can mimic the sensation of touch with high spatial resolution and a rapid response rate.

High-frequency alternating stimulation strategy lowering the operating voltage under 30 V allows it to be non-invasive, but also they used a novel super-resolution strategy that can render tactile sensation at locations between physical electrodes, instead of only at the electrode locations.

via City University of Hong Kong and Tencent's Robotics X Laboratory: Weikang Lin et al, Super-resolution wearable electrotactile rendering system, Science Advances (2022). DOI: 10.1126/sciadv.abp8738

AI Art - Enveloper - 2022

Printable circuits that can work on fabric, plastic and even fruit
Oct 2022, phys.org

Method of creating liquid metal circuitry using a desktop laser printer that could place the electronics onto many types of surfaces.

via Department of Biomedical Engineering, Tianjin University, China: Rui Guo et al, Thermal Transfer-Enabled Rapid Printing of Liquid Metal Circuits on Multiple Substrates, ACS Applied Materials & Interfaces (2022). DOI: 10.1021/acsami.2c08743


Skin-like electronics could monitor your health continuously
Nov 2022, phys.org

Wearables became skin at some point.

via Argonne National Laboratory: Shilei Dai et al, Intrinsically stretchable neuromorphic devices for on-body processing of health data with artificial intelligence, Matter (2022). DOI: 10.1016/j.matt.2022.07.016


Researchers eye embroidery as low-cost solution for making wearable electronics
Nov 2022, phys.org

Embroidering power-generating yarns onto fabric has allowed researchers to embed a self-powered, numerical touch-pad and movement sensors into clothing. 

via North Carolina State University: Yu Chen et al, Flexible, durable, and washable triboelectric yarn and embroidery for self-powered sensing and human-machine interaction, Nano Energy (2022). DOI: 10.1016/j.nanoen.2022.107929


A self-powered ingestible sensor opens new avenues for gut research
Dec 2022, phys.org

Wearables vs ingestibles:

Battery-free, pill-shaped ingestible biosensing system designed to provide continuous monitoring in the intestinal environment.

via University of California San Diego: Ernesto De la Paz et al, A self-powered ingestible wireless biosensing system for real-time in situ monitoring of gastrointestinal tract metabolites, Nature Communications (2022). DOI: 10.1038/s41467-022-35074-y


Compliant and conductive carbon nanomaterial for on-skin electronics
Nov 2022, phys.org

Carbon nanomaterial called hydrogen-substituted graphdiyne (HsGDY) coupled with a single-crystal copper catalyst provides an inherent softness and flexibility that is ideal for on-skin applications.

via King Abdullah University of Science and Technology: Yichen Cai et al, Graphdiyne-Based Nanofilms for Compliant On-Skin Sensing, ACS Nano (2022). DOI: 10.1021/acsnano.2c06169

Scientist Fingers

Implantable Sensor - Shangbin Liu Penn State Tsinghua University - 2022
Researchers developed a flexible, implantable sensor that can continuously monitor nitric oxide in the knee of a rabbit. The gas may indicate the onset of damage-induced osteoarthritis. Shangbin Liu Penn State Tsinghua University, 2022 [link]

Rhizosphere-on-a-chip - Carlos Jones, ORNL, US Dept of Energy - 2022 [link]

Single-Crystal Organometallic Perovskite Optical Fiber - Dr Lei Su at Queen Mary University of London - 2022 [link]

Recycled Plastic - Patrick Campbell University of Colorado Boulder - 2022 [link]

Ionic Circuit - Woo-Bin Jung Harvard SEAS - 2022 [link]

800,000 Lab-grown Brain Cells Play Pong - Cortical Labs - 2022 [link]

Single-cell electrorotation microfluidic device - Texas A and M Engineering - 2022 [link]

Spectrometer on a chip - Oregon State and Aalto University - 2022 [link]

Programmable bacteria electronics - Brandon Martin at Rice University - 2022 [link]

Hydrophobic film - Sahar Babaeipour at Aalto University - 2022 [link]

Fragment of Winchcombe meteorite - The Trustees of the Natural History Museum of London - 2022 [link]

All-perovskite tandem solar cell with power conversion efficiency of 27.4% - Aaron Demeter at University of Toronto Engineering - 2022 [link]

Anterior teeth with a huge dental calculus deposit from Copper Age Italy 3.000 BC - Andrea Quagliariello - 2022 [link]

Hydrogen-substituted graphdiyne coupled with a single-crystal copper catalyst - Vincent Tung, King Abdullah University of Science and Technology - 2022 [link]