Search results for: Chen Chen

Items from 1 to 20 out of 3,865 results

article

Advanced Exfoliation Strategies for Layered Double Hydroxides and Applications in Energy Conversion and Storage

Chen Chen, Li Tao, Shiqian Du, Wei Chen, more

Advanced Functional Materials > 30 > 14 > n/a - n/a

Along with the increasing aggravation of energy and environmental problems, the demand and utilization of renewable energy have increased. The rational design of advanced functional materials serves as a critical point for the improvement of performance and the practical application in renewable energy devices. Layered double hydroxides (LDHs) with 2D layered structures are promising energy materials...

article

Cardiac protection of functional chicken‐liver hydrolysates on the high‐fat diet induced cardio‐renal damages via sustaining autophagy homeostasis

Yi‐Hsieng Samuel Wu, Yi‐Ling Lin, Chien Huang, Chih‐Hsien Chiu, more

Journal of the Science of Food and Agriculture > 100 > 6 > 2443 - 2452

BACKGROUND Cardio‐renal syndrome (CRS) is an integrative problem related to chronic malnutrition, obesity, etc. Amino acids and peptides are regarded as protective and essential for tissues. Pepsin‐digested chicken liver hydrolysates (CLHs), which are made from the byproducts of the poultry industry, are amino‐acid based and of animal origin, and may be protective against the myocardial and renal...

article

Modulation effects of black‐vinegar‐based supplement against a high‐fat dietary habit: antiobesity/hypolipidemic, antioxidative, and energy‐metabolism effects

Ming‐En Liu, Chung‐Hsi Chou, Lu Li, Yi‐Hsieng Samuel Wu, more

Journal of the Science of Food and Agriculture > 100 > 6 > 2380 - 2388

BACKGROUND An imbalanced fat or excess energy intake always results in obesity and increased serum/liver lipids, thus leading to metabolic syndromes. Given the bioactive components in black vinegar (BV), such as branched amino acids, phenolic profile, and mineral contents, we investigated the antiobesity effects of BV‐based supplements in rats fed a high‐fat diet (HFD). RESULTS HFD (30% fat, w/w)...

article

The 5.8S pre‐rRNA maturation factor, M‐phase phosphoprotein 6, is a female fertility factor required for oocyte quality and meiosis

Rui‐Rui Peng, Li‐Li Wang, Wen‐Yi Gao, Feng‐Yu Zhu, more

Cell Proliferation > 53 > 3 > n/a - n/a

Objectives M‐phase phosphoprotein 6 (MPP6) is important for 5.8S pre‐rRNA maturation in somatic cells and was screened as a female fertility factor. However, whether MPP6 functions in oocyte meiosis and fertility is not yet known. We aimed to address this. Materials and Methods Mouse oocytes with surrounded nucleus (SN) or non‐surrounded nucleus (NSN) were used for all experiments. Peptide nanoparticle‐mediated...

article

Apatite‐Binding Nanoparticulate Agonist of Hedgehog Signaling for Bone Repair

Xiao Zhang, Jiabing Fan, Chung‐Sung Lee, Soyon Kim, more

Advanced Functional Materials > 30 > 12 > n/a - n/a

The hedgehog signaling pathway plays a critical role in bone development and regeneration. Applications of hedgehog morphogens or small molecular agonists are of interest in bone repair but constrained by low stability, high dose requirement, and nonspecific targeting in vivo. Herein, a nanoparticulate agonist as a new type of hedgehog signaling activator is developed for efficacious bone healing...

article

Intensity modulation radiation therapy as alternative primary non‐surgical treatment of upper tract urothelial carcinoma

Hao‐Wei Chen, Jen‐Yang Tang, Yu‐Chen Chen, Wen‐Jeng Wu, more

International Journal of Urology > 27 > 3 > 266 - 268

article

Front Cover: Identification of New Peptide Biomarkers for Bacterial Bloodstream Infection

Yating Ma, Xinyu Wen, Yi Kong, Chen Chen, more

PROTEOMICS – Clinical Applications > 14 > 2 > n/a - n/a

A novel method is used to study serum peptides of bacterial bloodstream infection (BSI), and four biomarkers are selected to differentiate the infection group. This method provides a new approach for serum peptide analysis in bacterial BSI, offering a novel diagnostic strategy and relevant diagnostic targets. The cover image depicts the flow chart of the entire experiment. This is reported by Yating...

article

Identification of New Peptide Biomarkers for Bacterial Bloodstream Infection

Yating Ma, Xinyu Wen, Yi Kong, Chen Chen, more

PROTEOMICS – Clinical Applications > 14 > 2 > n/a - n/a

Purpose Due to a lack of effective early diagnostic measures, new diagnostic methods for bacterial bloodstream infections (BSIs) are urgently needed. A protein–peptide profiling approach can be used to identify novel diagnostic biomarkers of BSIs. Experimental design In this study, MALDI‐TOF MS and nano‐LC/ESI‐MS/MS are used to analyze serum peptides. In addition, GO and network analyses are conducted...

article

A wide‐scanning ellipsoid lens antenna fed by phased array antenna

Kunning Liu, Shiwen Yang, Chen Chen, Shi‐Wei Qu, more

International Journal of RF and Microwave Computer‐Aided Engineering > 30 > 4 > n/a - n/a

Luneburg lens antennas have been widely applied to many communication systems for their multibeam scanning and high gain characteristics. However, the large profiles of conventional Luneburg lens antennas restrict their applications. To solve these issues, an ellipsoid lens antenna fed by phased array antenna (PAA) operating at Ka‐band is proposed in this article. The profile of the ellipsoid lens...

article

Changes in colorectal cancer screening use after introduction of alternative screening offer in Germany: Prospective cohort study

Feng Guo, Chen Chen, Ben Schöttker, Bernd Holleczek, more

International Journal of Cancer > 146 > 9 > 2423 - 2432

In October 2002, screening colonoscopy was added to the German colorectal cancer (CRC) screening program as an alternative to fecal occult blood test (FOBT). We aimed to evaluate the change in CRC screening use after introduction of the dual screening offer and to assess determinants of screening use. Data were drawn from a population‐based cohort study initiated during 2000–2002 in Germany (n = 5,845,...

article

Measurement of brain lactate during visual stimulation using a long TE semi‐LASER sequence at 7 T

Carolina C. Fernandes, Bernard Lanz, Chen Chen, Peter G. Morris

NMR in Biomedicine > 33 > 4 > n/a - n/a

Estimation of metabolic changes during neuronal activation represents a challenge for in vivo MRS, especially for metabolites with low concentration and signal overlap, such as lactate. In this work, we aimed to evaluate the feasibility of detecting lactate during brain activation using a long

T E

(144 ms) semi‐LASER sequence at 7 T.

^{1} H

spectra were acquired on healthy volunteers (

N = 6

) during a...

article

Synthesis of ABC Miktoarm Star Copolymers via Organocatalyzed Living Radical Polymerization

Yicen Ge, Chen Chen, Xuan Ming Sim, Jie Zheng, more

Macromolecular Rapid Communications > 41 > 5 > n/a - n/a

ABC‐type miktoarm star copolymers are synthesized using a single living radical polymerization (organocatalyzed living radical polymerization) via a “combinatorial” approach. The arm A is poly(butyl acrylate), the arm B is poly(methyl methacrylate), and the arm C encompasses hydrophobic and hydrophilic polyacrylates. A poly(butyl acrylate) with a vinyl chain end (macromonomer) is synthesized. A poly(methyl...

article

Synergistic Relay Reactions To Achieve Redox‐Neutral α‐Alkylations of Olefinic Alcohols with Ruthenium(II) Catalysis

Chen‐Chen Li, Jian Kan, Zihang Qiu, Jianbin Li, more

Angewandte Chemie International Edition > 59 > 11 > 4544 - 4549

Herein, we report a ruthenium‐catalyzed redox‐neutral α‐alkylation of unsaturated alcohols based on a synergistic relay process involving olefin isomerization (chain walking) and umpolung hydrazone addition, which takes advantage of the interaction between the two rather inefficient individual reaction steps to enable an efficient overall process. This transformation shows the compatibility of hydrazone‐type...

article

Synergistic Relay Reactions To Achieve Redox‐Neutral α‐Alkylations of Olefinic Alcohols with Ruthenium(II) Catalysis

Chen‐Chen Li, Jian Kan, Zihang Qiu, Jianbin Li, more

Angewandte Chemie > 132 > 11 > 4574 - 4579

article

A proof‐of‐concept study on the effects of low total cfDNA content and solutions to increase the NIPT trisomy 21 detection rate

Yang Du, Ailing Chen, Rui Yang, Tao Zhou, more

Journal of Clinical Laboratory Analysis > 34 > 2 > n/a - n/a

Background Non‐invasive prenatal testing (NIPT) is routinely used in clinical practice for fetal trisomy screening, but low total cfDNA content and low fetal fraction (LFF) are two factors that affect the detection rate. Samples with low total cfDNA or LFF usually end up with “no‐call” results, followed by the blood redraw and re‐testing, which is inconvenient for pregnant women and clinicians. ...

article

Robust and Broadband Optical Coupling by Topological Waveguide Arrays

Wange Song, Wenzhao Sun, Chen Chen, Qinghai Song, more

Laser & Photonics Reviews > 14 > 2 > n/a - n/a

Photonic topological states have been exploited to give rise to robust optical behaviors that are quite insensitive to local defects or perturbations, which provide a promising solution for robust photonic integrations. Specifically, for example, optical coupling between waveguides is a universal function in integrated photonics. However, the coupling performance usually suffers from high structure‐sensitivity...

article

Integrated Photonic Devices: Robust and Broadband Optical Coupling by Topological Waveguide Arrays (Laser Photonics Rev. 14(2)/2020)

Wange Song, Wenzhao Sun, Chen Chen, Qinghai Song, more

Laser & Photonics Reviews > 14 > 2 > n/a - n/a

Topological designs boost progress in massive photonic integrations. In article number 1900193, Tao Li, Shumin Xiao, and co‐workers experimentally demonstrate a robust and broadband optical directional coupler and beam splitter using the coupling of edge states in a topological waveguide array. This work opens a new avenue towards topological devices with unique properties and functionalities and...

article

Zeolitic imidazolate frameworks derived ZnS/Co3S4 composite nanoparticles doping on polyhedral carbon framework for efficient lithium/sodium storage anode materials

Zheng Zhang, Ying Huang, Xudong Liu, Chen Chen, more

Carbon > 2020 > 157 > C > 244-254

High-performance lithium-ion batteries (LIBs) and sodium-ion battery (SIBs) anode materials Co ₃ S ₄ –ZnS/NC are prepared by carbonization and subsequent sulfidation using Co, Zn-based zeolitic imidazolate frameworks (ZIF) as a precursor. ZnS and Co ₃ S ₄ in-situ doping on polyhedral carbon framework, which enhances the conductivity and can buffer the volume expansion during the cycle and improve...

article

High‐Performance N‐type Mg₃Sb₂ towards Thermoelectric Application near Room Temperature

Fan Zhang, Chen Chen, Honghao Yao, Fengxian Bai, more

Advanced Functional Materials > 30 > 5 > n/a - n/a

Se‐doped Mg_3.2Sb_1.5Bi_0.5‐based thermoelectric materials are revisited in this study. An increased ZT value ≈1.4 at about 723 K is obtained in Mg_3.2Sb_1.5Bi_0.49Se_0.01 with optimized carrier concentration ≈1.9 × 10¹⁹ cm⁻³. Based on this composition, Co and Mn are incorporated for the manipulation of the carrier scattering mechanism, which are beneficial to the dramatically enhanced electrical conductivity...

article

Temperature‐Directed Micellar Morphological Transformation Using CABC‐Block Copolymers and Its Applications in Encapsulation and Hidden Segment

Jie Zheng, Chen Chen, Atsushi Goto

Angewandte Chemie International Edition > 59 > 5 > 1941 - 1949

A temperature‐directed micellar morphological transformation was developed using CABC multi‐block copolymers with a hydrophobic block A, a hydrophilic block B, and a thermally responsive block C with a lower critical solution temperature (LCST). The micellar structure was switched from a star (below LCST) to a flower (above LCST). The transition temperature was tunable in a wide range (11–90 °C) by...

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INFONA - science communication portal

Search results for: Chen Chen

Advanced Exfoliation Strategies for Layered Double Hydroxides and Applications in Energy Conversion and Storage

Cardiac protection of functional chicken‐liver hydrolysates on the high‐fat diet induced cardio‐renal damages via sustaining autophagy homeostasis

Modulation effects of black‐vinegar‐based supplement against a high‐fat dietary habit: antiobesity/hypolipidemic, antioxidative, and energy‐metabolism effects

The 5.8S pre‐rRNA maturation factor, M‐phase phosphoprotein 6, is a female fertility factor required for oocyte quality and meiosis

Apatite‐Binding Nanoparticulate Agonist of Hedgehog Signaling for Bone Repair

Intensity modulation radiation therapy as alternative primary non‐surgical treatment of upper tract urothelial carcinoma

Front Cover: Identification of New Peptide Biomarkers for Bacterial Bloodstream Infection

Identification of New Peptide Biomarkers for Bacterial Bloodstream Infection

A wide‐scanning ellipsoid lens antenna fed by phased array antenna

Changes in colorectal cancer screening use after introduction of alternative screening offer in Germany: Prospective cohort study

Measurement of brain lactate during visual stimulation using a long TE semi‐LASER sequence at 7 T

Synthesis of ABC Miktoarm Star Copolymers via Organocatalyzed Living Radical Polymerization

Synergistic Relay Reactions To Achieve Redox‐Neutral α‐Alkylations of Olefinic Alcohols with Ruthenium(II) Catalysis

Synergistic Relay Reactions To Achieve Redox‐Neutral α‐Alkylations of Olefinic Alcohols with Ruthenium(II) Catalysis

A proof‐of‐concept study on the effects of low total cfDNA content and solutions to increase the NIPT trisomy 21 detection rate

Robust and Broadband Optical Coupling by Topological Waveguide Arrays

Integrated Photonic Devices: Robust and Broadband Optical Coupling by Topological Waveguide Arrays (Laser Photonics Rev. 14(2)/2020)

Zeolitic imidazolate frameworks derived ZnS/Co3S4 composite nanoparticles doping on polyhedral carbon framework for efficient lithium/sodium storage anode materials

High‐Performance N‐type Mg₃Sb₂ towards Thermoelectric Application near Room Temperature

Temperature‐Directed Micellar Morphological Transformation Using CABC‐Block Copolymers and Its Applications in Encapsulation and Hidden Segment

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