(Press-News.org) Recently, a research group led by Prof. SUN Xiaobing from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, investigated the impact of multiangular polarimetry on the quantification of marine aerosol remote sensing applications.
Their findings were published in the Optics Express.
Aerosols are one of the most uncertain components in the quantification of climate radiative forcing, while polarimetry helps to improve the characterization of the microphysical properties of atmospheric aerosol.
In this study, the team investigated the importance of the spectral range, the spectral band, the number of viewing angles, and the polarimetric accuracy for aerosol retrieval from polarization measurements over the ocean. Based on Bayesian optimization theory and a vector radiative transfer model, the research team employed the degrees of freedom for signal (DFS) as an indicator to compare and analyze different observation scenarios.
Experimental results showed that DFS can be increased by at least 1.02 with the addition of shortwave infrared (SWIR) intensity and polarization measurements in the single-angle observation mode. This improvement corresponds to the retrieval of one to two additional aerosol parameters. In the multi-viewing experiment, the columnar volume concentration, effective radius, and complex refractive index for both fine and coarse size modes benefit from additional viewing angles.
Furthermore, incorporating additional multi-angle SWIR measurements can enhance the total aerosol DFS by approximately 1.1-3.3. The analysis also indicated that the polarimetric accuracy has a significant impact on the uncertainty of aerosol retrieval.
This research provided an important reference for the design of future polarimetric instruments and the development of retrieval algorithms.
END
Researchers improve marine aerosol remote sensing accuracy using multiangular polarimetry
2025-11-05
ELSE PRESS RELEASES FROM THIS DATE:
Alzheimer’s Disease can hijack communication between brain and fat tissue, potentially worsening cardiovascular and metabolic health
2025-11-05
A recent study from Houston Methodist sheds light on how Alzheimer’s disease may contribute to larger health issues by hijacking the body’s ability to regulate its metabolism. Researchers have discovered that along with the negative effects an Alzheimer’s diagnosis brings, the disease can also sabotage messages between nerves and blood vessels in fat tissue, which can worsen heart and metabolic conditions such as stroke, heart disease and diabetes.
The first-of-its-kind research, “Alzheimer’s disease disrupts intra-adipose neurovascular contact,” ...
New memristor wafer integration technology from DGIST paves the way for brain-like AI chips
2025-11-05
□ A research team led by Professor Sanghyeon Choi from the Department of Electrical Engineering and Computer Science at DGIST (President Kunwoo Lee) successfully developed the “memristor,” which is gaining recognition as a next-generation semiconductor device, through mass-integration at the wafer scale. This study proposes a new technological platform for implementing a highly integrated AI semiconductor replicating the human brain, overcoming the limitations of conventional semiconductors.
□ The human brain contains about 100 ...
Bioinspired dual-phase nanopesticide enables smart controlled release
2025-11-05
Millions of tons of pesticides are used each year to protect crops, but traditional formulations release too quickly, degrade easily, and leach away, leading to low efficiency and environmental risks. Compared with the costly and time-consuming development of new pesticides, creating smart controlled-release formulations from existing ingredients is a simpler and more effective way to improve efficiency and reduce ecological harm.
A team led by Prof. WU Zhengyan and Prof. ZHANG Jia from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has developed a bioinspired prussian blue/PNIPAM nanohybrid ...
Scientists reveal it is possible to beam up quantum signals
2025-11-05
Quantum satellites currently beam entangled particles of light from space down to different ground stations for ultra-secure communications. New research shows it is also possible to send these signals upward, from Earth to a satellite; something once thought unfeasible.
This breakthrough overcomes significant barriers to current quantum satellite communications. Ground station transmitters can access more power, are easier to maintain and could generate far stronger signals, enabling future quantum computer ...
Asymmetric stress engineering of dense dislocations in brittle superconductors for strong vortex pinning
2025-11-05
A collaborated research team led by Prof. MA Yanwei from the Institute of Electrical Engineering (IEE) of Chinese Academy of Sciences (CAS), has shattered records in the current-carrying performance of iron-based superconducting wires.
Their breakthrough, enabled by a novel strategy to engineer high-density flux pinning centers via an asymmetric stress field, is published in Advanced Materials.
The Steady High Magnetic Field Facility (CHMFL), the Hefei Institutes of Physical Science ...
Shared synaptic mechanism for Alzheimer's and Parkinson’s disease unlocks new treatment possibilities
2025-11-05
Parkinson’s and Alzheimer’s diseases are the two most common neurodegenerative disorders, affecting millions of people worldwide. Published in the Journal of Neuroscience, new research from the Okinawa Institute of Science and Technology (OIST) suggests a shared molecular cascade between the two diseases which causes synaptic dysfunctions, advancing our understanding of how their symptoms are produced.
The researchers investigated how brain cell communication across synapses is disrupted by disease-related protein buildup. They found a pathway that interferes with synaptic ...
Plasma strategy boosts antibacterial efficacy of silica-based materials
2025-11-05
Recently, Researcher NI Guohua and Associate Researcher SUN Hongmei from the Institute of Plasma Physics, together with Associate Professor WANG Dong from Anhui Medical University, developed a novel two-step plasma strategy to modify mesoporous silica-supported silver nanoparticles, enabling them to achieve strong antibacterial activity and accelerated wound healing.
Their findings were published in the Chemical Engineering Journal.
Mesoporous silica-supported silver nanoparticles (Ag/MSNs) show great potential for wound ...
High‑performance wide‑temperature zinc‑ion batteries with K+/C3N4 co‑intercalated ammonium vanadate cathodes
2025-11-05
As demand for safe and low-cost energy storage grows, aqueous zinc-ion batteries (AZIBs) have emerged as promising candidates. However, their practical application is hindered by cathode instability and poor low-temperature performance. Now, researchers from The Hong Kong Polytechnic University and Shenzhen University, led by Professor Zijian Li, have developed a novel K⁺ and C3N4 co-intercalated NH4V4O10 (KNVO-C3N4) cathode that delivers exceptional performance across a wide temperature range.
Why K⁺/C3N4 Co-Intercalation ...
Prioritized Na+ adsorption‑driven cationic electrostatic repulsion enables highly reversible zinc anodes at low temperatures
2025-11-05
As renewable energy storage demand grows, the limitations of aqueous zinc metal batteries (AZMBs) in subzero environments become more pronounced. Now, researchers from Harbin University of Science and Technology and Fudan University, led by Professor Xin Liu and Professor Dongliang Chao, have presented a breakthrough solution using trace Na2SO4 as an electrolyte additive. This work offers valuable insights into developing next-generation energy storage technologies that can overcome low-temperature challenges.
Why Na₂SO₄ Matters
Cost-Effective: Na2SO4 is an abundant, low-cost inorganic ...
Engineered membraneless organelles boost bioproduction in corynebacterium glutamicum
2025-11-05
A research team led by Professor WANG Peng from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, together with international researchers, has successfully engineered liquid-liquid phase separation (LLPS)-driven membraneless organelles (MLOs) within the food-grade industrial strain Corynebacterium glutamicum.
The related findings have been published in Synthetic and Systems Biotechnology.
LLPS-driven MLOs represent an emerging technology in cell structure engineering. By dynamically isolating enzymes and substrates, LLPS significantly improves metabolic efficiency and enhances the synthesis of target products.
In ...