Add BrightSurf on Google Email

Hefei Institutes of Physical Science, Chinese Academy of Sciences


New dual mode ratio fluorescence sensing system enables rapid in situ detection of carbaryl residues

A team of researchers developed a rapid in situ detection system for carbaryl residues, enabling sensitive and immediate detection with a low detection limit of 16.3 nM. The system utilizes a combination of silicon quantum dots, gold nanoparticles, and cadmium telluride quantum dots, allowing for portable and practical field testing.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalACS Sustainable Chemistry & Engineering·DateApr 24, 2023

Portable electrochemical sensor designed for lead ion detection

A portable electrochemical sensor has been developed for lead ion detection using cobalt-doped Prussian blue combined with MXene material. The sensor exhibits a linear detection range of 1-200 nM, ultra-low detection limit of 0.97 nM and high accuracy in detecting lead ions in different water samples.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalJournal of Electroanalytical Chemistry·DateApr 24, 2023

Primary battery system designed for efficient remediation of cadmium pollution and power generation simultaneously

A team of researchers developed a primary battery system that simultaneously removes cadmium pollution and generates electricity through Galvanic reactions. The system achieved efficient solidification and removal of Cd2+ in water and soil, with no negative impact on plants or microorganisms.

New study reveals biosafety effects of moderate and high static magnetic fields

A recent study published in Antioxidants & Zoological Research found that moderate static magnetic fields can delay natural aging in healthy mice and alleviate chronic kidney injury induced by chemotherapy. High-grade exposure, however, had detrimental effects on diabetic mice, including organ damage and reduced survival rates.

New strategy proposed for bandgap engineering and maintaining property of material under high pressure

Scientists propose a new strategy to engineer and maintain band gap of carbon nitride under high pressure, enhancing photocatalytic activity. The study reveals a pressure-induced amorphization phenomenon, resulting in a narrowed band gap with improved light absorption and photoelectric response.

Scientists discover electrically tunned superconductor-insulator transition and giant anomalous hall effect in CsV3Sb5

Researchers uncover disorder-driven bosonic superconductivity transition and outline global picture of giant AHE, linking it to unconventional CDW in AV3Sb5 family. The team also finds large AHE mainly occurs at specific point in Brillouin zone due to skew scattering of holes.

Novel method with carbon-coated magnetite nanoclusters proposed in cancer synergistic therapy

Researchers have developed a novel method using carbon-coated magnetite nanoclusters to enhance cancer synergistic therapy. The nanoclusters absorb NIR-II irradiation, producing cytotoxic heat that kills cancer cells. This improves CDT efficiency and produces synergistic therapeutic effects.

New strategy proposed for efficient degradation of antibiotics

Researchers developed a pre-assembly strategy to anchor single atoms on carbon nitride nanosheets, increasing catalytic activity by 1-2 orders of magnitude for tetracycline pollutant degradation. The study demonstrates versatility in Fenton-like catalysis and great ability to treat organic pollutants.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalSeparation and Purification Technology·DateFeb 8, 2023

Scientists propose a novel NO2 sensor based on static magnetic field faraday rotation spectroscopy

A new NO2 sensor has been proposed using static magnetic field faraday rotation spectroscopy, featuring high species specificity and detection sensitivity. The sensor detects paramagnetic molecules by analyzing changes in light polarization caused by a gaseous medium immersed in an external magnetic field.

Novel platform helps researchers reveal mechanism of fatigue damage by high thermal loads of tungsten composites

A study investigates the relationship between microstructure evolution and property degradation of two tungsten composites after electron beam thermal loading. The results show that full recrystallization and grain growth occur in one composite, leading to decreased ultimate tensile strength and total elongation.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalJournal of Material Science and Technology·DateJan 6, 2023

New strategy suggested for ultra-long cycle Li-ion battery

Researchers developed a high-performance cathode material for lithium rich manganese based lithium ion batteries with excellent cycling performance. The material combines sulfur doping, in-situ growth of coherent spinel phase, and oxygen vacancy optimization strategies to avoid microcracks and improve battery life.

Scientists propose novel open-path multi-pass cell to measure atmospheric H2O and CO2 fluxes on line

A research team from Chinese Academy of Sciences proposed a new design for online measurement of atmospheric H<sub>2</sub>O and CO<sub>2</sub> fluxes using an open-path and anti-pollution multi-pass cell. The cell's unique coating design improved stability and durability, achieving accuracy comparable to commercial instruments.

Novel bovine serum albumin-magnetite nanotorpedo system constructed for drug delivery

The researchers successfully designed a BSA-magnetite nanotorpedo to deliver chemotherapy drugs, overcoming leakage issues and prolonging half-life in blood circulation. The nanotorpedo showed superior biosafety, stability, intracellular transport, and tumor inhibition, presenting great prospects for drug delivery in nanomedicine.

New finding realizes ambient electrosynthesis of urea with nitrate and carbon dioxide over iron-based dual-sites

Researchers developed a novel liquid-phase laser irradiation route to fabricate Fe(a)@C-Fe3O4/CNTs catalyst, exhibiting superior activity toward electrocatalytic coupling of CO2 and NO3- for urea synthesis. The synergistic catalytic effect contributes excellent electrocatalytic performance.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalAngewandte Chemie International Edition·DateDec 7, 2022

From magnetic navigation to magnetic targeting: magnetosome-like structure with highly tumor tissue penetration efficiency was constructed

Biomimetic synthesis of magnetosomes with high magnetic targeting efficiency was constructed, demonstrating an order of magnitude improvement in penetrability compared to existing nanodrugs. The new nanoparticles successfully penetrated tumor tissues in a mouse model, providing a promising carrier for magnetic targeting delivery.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 8, 2022

Radiation effect simulation software developed for accumulation mechanisms study of radiation damage in nanocrystalline materials

Researchers developed a simulation software to study radiation damage accumulation mechanisms in nanocrystalline materials. The results showed improved radiation resistance due to high grain boundary density, which serves as sinks for radiation-induced vacancies and self-interstitial atoms.

IHMT-CSF1R-833 discovered as potent and selective CSF1R inhibitor

Researchers at Hefei Institutes of Physical Science, Chinese Academy of Sciences, have discovered a potent and selective colony stimulating factor 1 receptor kinase inhibitor. The new compound, IHMT-CSF1R-833, shows high selectivity over human kinases and suppresses tumor-associated macrophage survival and activation.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalEuropean Journal of Medicinal Chemistry·DateNov 6, 2022

Linearly assembled Ag-Cu nanoclusters: Spin transfer and distance-dependent spin coupling

Scientists have successfully assembled linear metal nanoclusters using a novel strategy. The Ag-Cu alloy clusters exhibit spin transfer and distance-dependent spin coupling due to the interaction with sulfur ions. These findings open up new avenues for understanding nanocluster magnetism and developing functional materials.

Novel nanopore-based technology helps detect pathogens rapidly and precisely for cancer patients

Researchers developed a nanopore-based method to detect microbes in immunocompromised cancer patients with high sensitivity, identifying bacterial infections, fastidious pathogens, and co-infections. The method reduces turnaround time to approximately 17.5 hours, enabling prompt diagnosis and timely treatment.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalFrontiers in Cellular and Infection Microbiology·DateNov 1, 2022

Scientists find novel way to optimize thermoelectric properties of bismuth telluride alloys

Researchers found that introducing Ag9AlSe6 nanoparticles into N-type Bi2Te3.7Se0.3 improves thermoelectric performance by enhancing phonon scattering and reducing thermal conductivity. The composite sample exhibits a maximum ZT value of 1.2 at 423K, outperforming the original BTS alloy.

Effective calculation method suggested for large-caliber magnetic field immunity testing system of ITER

Physicists from Hefei Institutes of Physical Science successfully developed an effective calculation method for the ITER large-caliber magnetic field immunity testing system. The study revealed a novel formula to determine the allowable deviation of equipment coil, providing a theoretical basis for actual installation.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalIEEE Transactions on Industrial Electronics·DateOct 18, 2022