A simplified method for calibrating optical tweezers
Measurements of biomechanical properties inside living cells require minimally-invasive methods. Optical tweezers are particularly attractive as a tool. They use the momentum of light to trap and manipulate micro- or nanoscale particles. A team of re.....»»
Pyramid optical networks for unidirectional image magnification and demagnification
In Light: Science & Applications journal UCLA researchers introduce an innovative design for diffractive deep neural networks (D2NNs). This new architecture, termed Pyramid-D2NN (P-D2NN), achieves unidirectional image magnification and demagnificatio.....»»
Physicists use light to probe deeper into the "invisible" energy states of molecules
A new optical phenomenon has been demonstrated by an international team of scientists led by physicists at the University of Bath, with significant potential impact on pharmaceutical science, security, forensics, environmental science, art conservati.....»»
Nanoscale imaging provides insights into 2D and phase-change materials
Researchers from the University of California, Berkeley have developed cutting-edge nanoscale optical imaging techniques to provide unprecedented insights into the ultrafast carrier dynamics in advanced materials......»»
Newly created super-black wood can improve telescopes, optical devices and consumer goods
Thanks to an accidental discovery, researchers at the University of British Columbia have created a new super-black material that absorbs almost all light, opening potential applications in fine jewelry, solar cells and precision optical devices......»»
ACE-ing protein detection in single cells
Since the 1950s, researchers have used a famous method invented by Wallace Coulter known as "flow cytometry" to characterize different types of immune cells in research studies and in blood samples from human individuals. This has enabled a much deep.....»»
Dual-action therapy shows promise against aggressive oral cancer
In a new study, scientists at Shanghai Jiaotong University School of Medicine found a promising new way to treat a type of oral cancer known as oral squamous cell carcinoma. The method specifically targets the cancer cells through a combination of ni.....»»
New, more sustainable method for manufacturing microchips and other nanoscale devices
Putting 50 billion transistors into a microchip the size of a fingernail is a feat that requires manufacturing methods of nanometer level precision—layering of thin films, then etching, depositing, or using photolithography to create the patterns o.....»»
Breakthrough in Z-alkene synthesis: Scientists develop efficient and sustainable method
Z-alkenes are organic compounds with a double bond between two carbon atoms and two substituents attached to the carbon atoms on the same side of the double bond. They are ubiquitous structural components of organic compounds in chemistry and biology.....»»
New method detects environmentally unfriendly chemicals
Substances called polyethylene glycols, or PEGs, are widely used in industry, medical, cosmetics and personal care products. The problem is, when they enter the environment and build up, they can harm ecosystems and natural resources......»»
Precise genetics: New CRISPR method enables efficient DNA modification
With the revolutionary CRISPR/Cas technology, the DNA of living organisms can be precisely altered. Using a guide RNA that recognizes a specific DNA sequence, Cas9 protein is recruited to that sequence and cuts the DNA. This targeted cut allows the D.....»»
Genomewide prediction: A promising approach for improving russet formation in apple breeding programs
A research team has demonstrated that genomewide prediction is a promising approach for targeting russet formation in apple breeding programs. This method effectively predicts the russet trait, which is a complex quantitative trait controlled by many.....»»
Developing new methods for targeted protein degradation
Northwestern Medicine scientists have developed a new, more precise method to target proteins implicated in certain types of cancer, according to a study published in Nature Chemical Biology......»»
A novel method implementing investment decision-making of prospect theory utility toward stock markets
Prospect theory, proposed by Kahneman and Tversky in 1979, has been acknowledged as an excellent decision-making theory for the bounded rationality of investors tending to show cognitive bias under conditions of uncertainty. In terms of gains and los.....»»
Optical fibers fit for the age of quantum computing
A new generation of specialty optical fibers has been developed by physicists at the University of Bath in the UK to cope with the challenges of data transfer expected to arise in the future age of quantum computing......»»
Physicists introduce method for mechanical detection of individual nuclear decays
In recent years, physicists and engineers have developed increasingly sophisticated instruments to study particles and the interactions between them with high precision. These instruments, which include particle detectors, sensors and accelerometers,.....»»
NASA streams first 4K video from aircraft to space station and back
A team at NASA's Glenn Research Center in Cleveland has streamed 4K video footage from an aircraft to the International Space Station and back for the first time using optical (laser) communications. The feat was part of a series of tests on new tech.....»»
Tunable metasurface can control optical light in space and time, offering path to wireless communication channels
It is a scene many of us are familiar with: You're working on your laptop at the local coffee shop with maybe a half dozen other laptop users—each of you is trying to load websites or stream high-definition videos, and all are craving more bandwidt.....»»
Method can analyze individual, still-living cells that may contain biomarkers for cancer and other deadly diseases
The Ivanov Lab at Northeastern University is paving the way to a whole variety of diagnostic tests that are possible off of a single blood draw, including—someday—cancer......»»
New work sheds light on nonlinear encoding in diffractive optical processors based on linear materials
UCLA researchers have conducted an in-depth analysis of nonlinear information encoding strategies for diffractive optical processors, offering new insights into their performance and utility. Their study, published in Light: Science & Applications, c.....»»
Researchers develop novel procedure for isolating primary mouse hepatocytes with holographic acoustic tweezers
Recently, a research team established a comprehensive procedure for isolating primary mouse hepatocytes and maintaining them in long-term culture with significant amplification in a two-dimensional (2D) environment. The team was led by Prof. Li Fei a.....»»