Peifen Zhu
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View article: Advancing LED Efficiency through 3D-Printed Light Extraction Structures: From Design to Demonstration
Advancing LED Efficiency through 3D-Printed Light Extraction Structures: From Design to Demonstration Open
This study presents an integrated modeling and experimental framework for optimizing light extraction efficiency (LEE) in light-emitting diode (LED) lens design. Leveraging recent advances in high-resolution LCD-based 3D printing, we direc…
View article: Robust carbon‐doped black phosphorus multi‐perception memristor for a hazardous information detection system
Robust carbon‐doped black phosphorus multi‐perception memristor for a hazardous information detection system Open
The perception of hazardous information is a crucial factor in ensuring safety in production. In recent years, multi‐mode sensing has been proven to be an effective approach for developing efficient perception systems. However, these syste…
View article: Near‐Unity PLQY of Cs₃Cu₂X₅ (X = Cl, Br) for High‐Efficiency White Light‐Emitting Diodes with Exceptional Color Quality
Near‐Unity PLQY of Cs₃Cu₂X₅ (X = Cl, Br) for High‐Efficiency White Light‐Emitting Diodes with Exceptional Color Quality Open
Metal halide perovskites and their derivatives have emerged as highly promising materials for next‐generation optoelectronic devices, owing to their intrinsic defect tolerance and exceptional electrical and optical properties. Among these,…
View article: Clerodendranthus spicatus: a comprehensive review of the chemical constituents, pharmacology, quality control and clinical applications
Clerodendranthus spicatus: a comprehensive review of the chemical constituents, pharmacology, quality control and clinical applications Open
Clerodendranthus spicatus (CS), is an herbaceous perennial belonging to the family Lamiaceae. The herb is extensively employed in traditional Chinese medicine for the mitigation of nephritis, cystitis, kidney stones, urological tract stone…
View article: Revealing the impact of different drying methods on the metabolites and bioactivities of Elsholtzia rugulosa based on untargeted metabolomics combined with chemometrics
Revealing the impact of different drying methods on the metabolites and bioactivities of Elsholtzia rugulosa based on untargeted metabolomics combined with chemometrics Open
View article: Effectiveness and feasibility of nerve real-time monitoring and intermittent monitoring in endoscopic thyroidectomy: a multicenter retrospective cohort study of 1621 patients
Effectiveness and feasibility of nerve real-time monitoring and intermittent monitoring in endoscopic thyroidectomy: a multicenter retrospective cohort study of 1621 patients Open
Background: Protecting recurrent laryngeal nerve (RLN) and external branch of the superior laryngeal nerve (EBSLN), a crucial indicator for assessing the quality of thyroid surgery, poses a challenge in endoscopic thyroidectomy. The aim of…
View article: Changes in phenolic compounds of <i>Phyllanthus emblica</i> juice during different storage temperature and pH conditions
Changes in phenolic compounds of <i>Phyllanthus emblica</i> juice during different storage temperature and pH conditions Open
The aim of this experiment was to investigate the effect of storage temperature and pH on phenolic compounds of Phyllanthus emblica juice. Juice was stored at different temperatures and pH for 15 days and sampled on 2‐day intervals. The br…
View article: Evaluation of comparative chemical profiling and bioactivities of medicinal and non-medicinal parts of Ampelopsis delavayana
Evaluation of comparative chemical profiling and bioactivities of medicinal and non-medicinal parts of Ampelopsis delavayana Open
Ampelopsis delavayana, a distinctive Yi medicine, utilized the roots as an essential medicinal substance for trauma treatment of the "Yunnan Hong Yao". A. delavayana, however, cannot be cultivated artificially presently, and …
View article: Mechanism of action of Taohong Siwu decoction in the alleviation of primary dysmenorrhea
Mechanism of action of Taohong Siwu decoction in the alleviation of primary dysmenorrhea Open
Background As one of the most common gynecological disorders, PD significantly impacts the quality of life for women. TSD, a well-known traditional Chinese medical prescription, has gained popularity for its use in treating gynecological c…
View article: Determination of the Changes of Chemical Composition And Each Index During Browning of Phyllanthus E Mblica Raw Juice at Different Temperatures and Ph
Determination of the Changes of Chemical Composition And Each Index During Browning of Phyllanthus E Mblica Raw Juice at Different Temperatures and Ph Open
View article: High throughput-screening of native herbal compounds identifies taccaoside A as a cytotoxic compound that mediates RAS signaling in cancer stem cells
High throughput-screening of native herbal compounds identifies taccaoside A as a cytotoxic compound that mediates RAS signaling in cancer stem cells Open
Our study yielded an effective approach to screen for CSC-specific agents. Through this approach, we identified taccaoside A from the rhizomatous geophyte Tacca. subflabellata are cytotoxic to CSCs through a molecular mechanism that involv…
View article: Furostanol Saponins from Asparagus cochinchinensis and Their Cytotoxicity
Furostanol Saponins from Asparagus cochinchinensis and Their Cytotoxicity Open
Phytochemical investigation on the roots of Asparagus cochinchinensis led to the isolation of one new furostanol saponin, named 26- O - β - d -glucopyranosyl-22 α -hydroxyl-(25 R )-Δ 5(6) -furost-3 β ,26-diol-3- O - α - l -rhamnopyranosyl-…
View article: Dual Functions of CO<sub>2</sub> Molecular Activation and 4<i>f</i> Levels as Electron Transport Bridge in Dysprosium Single Atom Composite Photocatalysts with Enhanced Visible‐Light Photoactivities
Dual Functions of CO<sub>2</sub> Molecular Activation and 4<i>f</i> Levels as Electron Transport Bridge in Dysprosium Single Atom Composite Photocatalysts with Enhanced Visible‐Light Photoactivities Open
The effect of rare earth (RE) single atoms on photocatalytic activity is very complex due to its special electronic configuration, which leads to few reports on the RE single atoms. Here, Dy 3+ single atom composite photocatalysts are succ…
View article: Near Unity PLQY and High Stability of Barium Thiocyanate Based All-Inorganic Perovskites and Their Applications in White Light-Emitting Diodes
Near Unity PLQY and High Stability of Barium Thiocyanate Based All-Inorganic Perovskites and Their Applications in White Light-Emitting Diodes Open
All-inorganic lead halide perovskite (CsPbX3) nanocrystals (NCs) have emerged as a highly promising new generation of light emitters due to their extraordinary photophysical properties. However, the performance of these semiconducting NCs …
View article: Different Responses to Identical Trauma Between BALB/C and C57BL/6 Mice
Different Responses to Identical Trauma Between BALB/C and C57BL/6 Mice Open
BACKGROUND Different responses to identical trauma may be related to the genetic background of individuals, but the molecular mechanism is unclear. In this study we investigated the heterogeneity of trauma in mice and the potential biologi…
View article: Anti-Inflammatory Indole Alkaloids from the Stems of <i>Kopsia officinalis</i>
Anti-Inflammatory Indole Alkaloids from the Stems of <i>Kopsia officinalis</i> Open
罗晓东 * ,a,b ( a 云南大学化学科学与工程学院药学院 教育部自然资源药物化学重点实验室 昆明 650091) ( b 中国科学院昆明植物研究所 植物化学与西部植物资源持续利用国家重点实验室 昆明 650201) ( c 云南中医药大学 昆明 650500) 摘要 应用多种色谱和波谱学方法, 从云南蕊木(Kopsia officinalis)茎中分离鉴定了 27 个单萜吲哚生物碱, 包括 7 个新 化合物 kopsiofficines A～G 和 20 个已知化合物…
View article: Zn-Alloyed All-Inorganic Halide Perovskite-Based White Light-Emitting Diodes with Superior Color Quality
Zn-Alloyed All-Inorganic Halide Perovskite-Based White Light-Emitting Diodes with Superior Color Quality Open
View article: Multifunctional NaLnF4@MOF-Ln Nanocomposites with Dual-Mode Luminescence for Drug Delivery and Cell Imaging
Multifunctional NaLnF4@MOF-Ln Nanocomposites with Dual-Mode Luminescence for Drug Delivery and Cell Imaging Open
Multifunctional nanomaterials for bioprobe and drug carrier have drawn great attention for their applications in the early monitoring the progression and treatment of cancers. In this work, we have developed new multifunctional water-solub…
View article: Design rules for white light emitters with high light extraction efficiency
Design rules for white light emitters with high light extraction efficiency Open
The finite-difference time-domain method is employed to study the light extraction efficiency of white light emitters. The cone arrays designed on top of white light emitters eliminate the dependency of light extraction on the wavelength a…
View article: Design of circadian white light-emitting diodes with tunable color temperature and nearly perfect color rendition
Design of circadian white light-emitting diodes with tunable color temperature and nearly perfect color rendition Open
The design of white light-emitting diodes is carried out to achieve highly efficient white light emission with superior color quality, good vision performance, and healthy effect on human circadian rhythms. Here, the white light is obtaine…
View article: Spectral optimization of white light from hybrid metal halide perovskites
Spectral optimization of white light from hybrid metal halide perovskites Open
Comprehensive studies were carried out to investigate potential applications of hybrid metal halide perovskites in next-generation white light-emitting diodes (LEDs). We investigated the effect of spectral power distributions on the color …
View article: Tetradic phosphor white light with variable CCT and superlative CRI through organolead halide perovskite nanocrystals
Tetradic phosphor white light with variable CCT and superlative CRI through organolead halide perovskite nanocrystals Open
Exceptional CRI and variable CCT via fourfold phosphors to create a high-quality broadband white-emission with a controllable hue.
View article: Red photoluminescent Eu<sup>3+</sup>-doped Y<sub>2</sub>O<sub>3</sub> nanospheres for LED-phosphor applications: Synthesis and characterization
Red photoluminescent Eu<sup>3+</sup>-doped Y<sub>2</sub>O<sub>3</sub> nanospheres for LED-phosphor applications: Synthesis and characterization Open
Y2O3:Eu3+ nanospheres with sizes of 40-334 nm in diameter were obtained using a low-cost co-precipitation method followed by a thermal annealing process. The sizes of the nanospheres were controlled by tuni…
View article: Optical Properties of Eu3+-Doped Y2O3 Nanotubes and Nanosheets Synthesized by Hydrothermal Method
Optical Properties of Eu3+-Doped Y2O3 Nanotubes and Nanosheets Synthesized by Hydrothermal Method Open
Y2O3:Eu3+ nanomaterials were obtained using a low-cost, large-scale, solution-based hydrothermal method followed by a thermal annealing process. The morphology of the Y2O3 :Eu3+
View article: Indole Alkaloids Inhibiting Neural Stem Cell from Uncaria rhynchophylla
Indole Alkaloids Inhibiting Neural Stem Cell from Uncaria rhynchophylla Open
Uncaria rhynchophylla is commonly recognized as a traditional treatment for dizziness, cerebrovascular diseases, and nervous disorders in China. Previously, the neuro-protective activities of the alkaloids from U. rhynchophylla were intens…
View article: Effect of pressure on sodium azide studied by spectroscopic method
Effect of pressure on sodium azide studied by spectroscopic method Open
The high-pressure Raman and IR measurements of NaN3 were performed at room temperature with pressure up to 35.0 and 26.0 GPa, respectively. Three phase transitions of β-NaN3 → α-NaN3 → γ-NaN3 → δ-NaN3 were revealed at 0.5, 14.0, and 27.6 G…
View article: Three New Pyridine Alkaloids from Vinca major Cultivated in Pakistan
Three New Pyridine Alkaloids from Vinca major Cultivated in Pakistan Open
Three new pyridine type alkaloids, (-)-vinmajpyridines A-C (1-3), along with two known alkaloids, have been isolated from the aerial parts of Vinca major cultivated in Pakistan. Their structures have been elucidated by means of NMR and HRE…
View article: The Anticancer Activities Phenolic Amides from the Stem of Lycium barbarum
The Anticancer Activities Phenolic Amides from the Stem of Lycium barbarum Open
View article: Indole Glycosides from Aqueous Fraction of Strychnos nitida
Indole Glycosides from Aqueous Fraction of Strychnos nitida Open
Three new indole glycosides 22-deoxystrictosamide (1), 22-deoxystrictosamide N b-oxide (2) and vincosamide 2'-O-β-D-xylopyranoside-11-O-β-D-glucopyranoside (3), together with four known analogues were isolated from aqueous fract…
View article: Narrow-linewidth red-emission Eu3+-doped TiO2 spheres for light-emitting diodes
Narrow-linewidth red-emission Eu3+-doped TiO2 spheres for light-emitting diodes Open
In this work, the amorphous Eu3+-doped TiO2 spheres were synthesized by low cost mixed-solvent method, while the anatase and rutile spheres can be obtained by annealing the as-synthesized amorphous TiO2 spheres at elevated temperatures. Th…