Autor: Zhao, Lin - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Polymorphisms in the p53 pathway genes and micronucleus occurrence in Chinese vinyl chloride-exposed workers
Autorzy:: Li, Yong
Feng, Nan-Nan
Zhang, Guang-Hui
Wang, Qi
Hao, Yan-Hui
Nanzhang, Ya
Long, Changxu
Li, Yongliang
Brandt-Rauf, Paul W.
Xia, Zhao-Lin
Tematy:: VC
occupational exposure
p53 pathway genes
genetic polymorphism; Pokaż więcej
Wydawca:: Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Powiązania:: https://bibliotekanauki.pl/articles/2179059.pdf Link otwiera się w nowym oknie
Opis:: Objectives: To investigate the association between polymorphisms in the p53 pathway genes and chromosomal damage in vinyl chloride (VC)-exposed workers. Materials and Methods: Cytokinesis block micronucleus test was performed in 310 VC-exposed workers and 149 non-exposed workers to determine chromosomal damage. The polymerase chain reaction and restriction fragment length polymorphism technique were used to detect six SNPs in the p53 pathway genes involved in the cell cycle. Results: There was a highly significant dose-response relationship between VC exposure and chromosomal damage. Individuals carrying the variant genotypes were at higher risk for chromosomal damage compared with their wild type genotype: p53rs1042522, MDM2 Del1518rs3730485, MDM2rs2279744 and GADD45Ars532446. On the other hand, individuals possessing the variant genotype of CDKN2A rs3088440 had significantly decreased risk compared with the corresponding wild-type. Conclusions: Genetic polymorphisms in P53 pathway genes may have an impact on VC-induced chromosomal damage.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Correlation of chromosome damage and promoter methylation status of the DNA repair genes MGMT and hMLH1 in Chinese vinyl chloride monomer (VCM)-exposed workers
Autorzy:: Wu, Fen
Liu, Jing
Qiu, Yu-Lan
Wang, Wei
Zhu, Shou-Min
Sun, Pin
Miao, Wen-Bin
Li, Yong-Liang
Brandt-Rauf, Paul W.
Xia, Zhao-Lin
Tematy:: vinyl chloride monomer
chromosome damage
MGMT
hMLH1
DNA methylation; Pokaż więcej
Wydawca:: Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Powiązania:: https://bibliotekanauki.pl/articles/2179802.pdf Link otwiera się w nowym oknie
Opis:: Objective: To explore the association of the methylation status of MGMT and hMLH1 with chromosome damage induced by vinyl chloride monomer (VCM). Materials and Methods: Methylation of MGMT and hMLH1 was measured in 101 VCM-exposed workers by methylation-specifi c PCR. Chromosome damage in peripheral blood lymphocytes was measured by the cytokinesis-block micronucleus assay. The subjects were divided into chromosome damaged and non-damaged groups based on the normal reference value of micronuclei frequencies determined for two control groups. Results: MGMT promoter methylation was detectable in 5 out of 49 chromosome damaged subjects, but not in the chromosome non-damaged subjects; there was a signifi cant difference in MGMT methylation between the two groups (p < 0.05). Conclusions: We detected aberrant promoter methylation of MGMT in a small number of chromosome damaged VCM-exposed workers, but not in the chromosome non-damaged subjects. This preliminary observation warrants further investigation in a larger study.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

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Skocz do pozycji: 4.

Tytuł:: Some aggregating operators based on the Choquet integral with fuzzy number intuitionistic fuzzy information and their applications to multiple attribute decision making
Autorzy:: Wei, G.
Lin, R.
Zhao, X.
Wang, H.
Tematy:: fuzzy number intuitionistic fuzzy values
operational laws
fuzzy number intuitionistic fuzzy Choquet ordered averaging (FNIFCOA) operator
fuzzy number intuitionistic fuzzy Choquet ordered geometric mean (FNIFCOGM) operator; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Badań Systemowych PAN
Powiązania:: https://bibliotekanauki.pl/articles/206346.pdf Link otwiera się w nowym oknie
Opis:: With respect to multiple attribute decision making (MADM) problems in which attribute values take the form of fuzzy number intuitionistic fuzzy values, a new decision making analysis method is developed. First, some operational laws of fuzzy number intuitionistic fuzzy values, score function and accuracy function of fuzzy number intuitionistic fuzzy values are introduced. Then, we have developed two fuzzy number intuitionistic fuzzy Choquet integral aggregation operators: fuzzy number intuitionistic fuzzy Choquet ordered averaging (FNIFCOA) operator and fuzzy number intuitionistic fuzzy Choquet ordered geometric mean (FNIFCOGM) operator. The prominent characteristic of the operators is that they can not only consider the importance of the elements or their ordered positions, but also reflect the correlation among the elements or their ordered positions. We have studied some desirable properties of the FNIFCOA and FNIFCOGM operators, such as commutativity, idempotency and monotonicity, and applied the FNIFCOA and FNIFCOGM operators to multiple attribute decision making with fuzzy number intuitionistic fuzzy information. Finally an illustrative example has been given to show the developed method.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Synthesis of antibacterial polyurethane film and its properties
Autorzy:: Lin, Zhao
Yunyun, Li
Bin, Cheng
Yu, Chen
Tematy:: polyurethane
Ag nanoparticles
antibacterial
composite film; Pokaż więcej
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Powiązania:: https://bibliotekanauki.pl/articles/779374.pdf Link otwiera się w nowym oknie
Opis:: Polyurethane (PU) is a polymer widely used in the biomedical field with excellent mechanical properties and good biocompatibility. However, it usually exhibits poor antibacterial properties for practical applications. Efforts are needed to improve the antibacterial activities of PU films for broader application prospect and added application values. In the present work, two PU films, TDI-P(E-co-T) and TDI-N-100-P(E-co-T), were prepared. Silver nanoparticles (AgNPs) were composited into the TDI-N-100-P(E-co-T) film for better mechanical properties and antibacterial activities, and resultant PU/AgNPs composite film was systematically characterized and studied. The as-prepared PU/AgNPs composite film exhibits much better antibacterial properties than the traditional PU membrane, exhibiting broader application prospect.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Relationship Between Bake Hardening, Snoek-Köster and Dislocation-Enhanced Snoek Peaks in Coarse Grained Low Carbon Steel
Autorzy:: Lin, W.
Zhao, S.
Zhang, H.
Jin, X.
Tematy:: low carbon steel
ultra-low carbon bake-hardening (ULC-BH) steel
bake hardening (BH)
Snoek peak
dislocation-enhanced Snoek peak
Snoek-Köster peak
internal friction; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/353663.pdf Link otwiera się w nowym oknie
Opis:: In the present work, specimens prepared from coarse grained low carbon steel with different prestrains were baked and then, their bake hardening (BH) property and internal friction were determined. TEM was used to characterize the dislocation structure in BH treated samples. The measurements of internal friction in prestrained samples and baked samples were carried out using a multifunctional internal friction apparatus. The results indicate that, in coarse grained low carbon steel, the bake hardening properties (BH values) were negative, which were increased by increasing the prestrain from 2 to 5%, and then were decreased by increasing the prestrain from 5 to 10%. In the specimen with prestrain 5%, the BH value reached the maximum value and the height of Snoek-Köster peak was observed to be the maximum alike. With increasing the prestrain, both of the BH value and Snoek-Köster peak heights are similarly varied. It is concluded that Snoek-Köster and dislocation-enhanced Snoek peaks, caused by the interactions between interstitial solute carbon atoms and dislocations, can be used in further development of the bake hardening steels.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Dyeing and Performance Testing of Chitosan-Modified Cotton Fabrics with Tea Polyphenols
Autorzy:: Zhao, Lixue
Zhu, Chunyan
Lin, Yanping
Yang, Chen
Tematy:: tea polyphenols
dyeing process
microscopic morphology
infrared spectroscopy curve
color fastness
antibacterial
UV protection
odor resistance; Pokaż więcej
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Powiązania:: https://bibliotekanauki.pl/articles/59115104.pdf Link otwiera się w nowym oknie
Opis:: Tea polyphenols are one of the primary components of tea leaves and possess various beneficial effects, including radiation resistance, detoxification, antioxidation, antibacterial properties, anti-aging effects, digestive support, anti-cancer properties, and immune system enhancement. This study focuses on utilizing tea polyphenols for the functional finishing of chitosan-modified cotton fabrics, with the aim of developing an environmentally friendly and efficient green functional finishing process. The analysis reveals that the optimal dyeing parameters for cotton fabrics modified with chitosan and using a mass fraction concentration of 3% tea polyphenols are as follows: a pH value of 7, temperature of 50°C, dyeing time of 60 minutes, and a tea polyphenol o.w.f concentration exceeding 6%. Under these processing conditions, the chitosan-modified cotton fabrics demonstrate excellent colorfastness to sunlight, water, and friction, all exceeding grade 4. Furthermore, they exhibit good antibacterial properties, UV protection, and odor resistance, making them highly practical.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Dyeing and Performance Testing of Chitosan-Modified Cotton Fabrics with Tea Polyphenols
Autorzy:: Yang, Chen
Zhu, Chunyan
Lin, Yanping
Zhao, Lixue
Wydawca:: Sciendo
Cytata wydawnicza:: Zhao, L., Zhu, C., Lin, Y. & Yang, C. Dyeing and Performance Testing of Chitosan-Modified Cotton Fabrics with Tea Polyphenols. Fibres & Textiles in Eastern Europe, 2024, Sciendo, vol. 32 no. 4, pp. 22-30. https://doi.org/10.2478/ftee-2024-0029
Opis:: This paper was financially supported by the Science and Technology Research Project of Jiangxi Provincial Department of Education (CN) (GJJ2202802)
Tea polyphenols are one of the primary components of tea leaves and possess various beneficial effects, including radiation resistance, detoxification, antioxidation, antibacterial properties, anti-aging effects, digestive support, anti-cancer properties, and immune system enhancement. This study focuses on utilizing tea polyphenols for the functional finishing of chitosan-modified cotton fabrics, with the aim of developing an environmentally friendly and efficient green functional finishing process. The analysis reveals that the optimal dyeing parameters for cotton fabrics modified with chitosan and using a mass fraction concentration of 3% tea polyphenols are as follows: a pH value of 7, temperature of 50°C, dyeing time of 60 minutes, and a tea polyphenol o.w.f concentration exceeding 6%. Under these processing conditions, the chitosan-modified cotton fabrics demonstrate excellent colorfastness to sunlight, water, and friction, all exceeding grade 4. Furthermore, they exhibit good antibacterial properties, UV protection, and odor resistance, making them highly practical.
Dostawca treści:: Repozytorium Centrum Otwartej Nauki

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Skocz do pozycji: 9.

Tytuł:: Analysis of the factors affecting the realization of lambda transition temperature of 4He
Autorzy:: Yin, L.
Lin, P.
Zhao, J. J.
Qi, X.
Tematy:: 4He
lambda transition temperature
sealed-cell
realization; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/221031.pdf Link otwiera się w nowym oknie
Opis:: Owing to the dramatic change in the thermal conductivity of 4He when its temperature crosses the transition of superfluid (HeI) and normalfluid (HeII), a sealed-cell with a capillary is used to realize the lambda transition temperature, Tλ. A small heat flow is controlled through the capillary of the sealed-cell so as to realize the coexistence of HeI and HeII and maintain the stay of HeI/HeII interface in the capillary. A stable and flat lambda transition temperature "plateau" is obtained. Because there is a depression effect of Tλ caused by the heat flow through the capillary, a series of heat flows and several temperature plateaus are made and an extrapolation is applied to determine Tλ with zero heat flow. A rhodium-iron resistance thermometer with series number A34 (RIRT A34) has been used in 24 Tλ -realization experiments to derive Tλ with a standard deviation of 0.022mK, which proves the stability and reproducibility of Tλ.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Research on communication emitter identification based on semi-supervised dimensionality reduction in complex electromagnetic environment
Autorzy:: Ge, Wei
Qi, Lin
Tong, Lin
Zhu, Jun
Zhang, Jing
Zhao, Dongyang
Li, Ke
Tematy:: communication emitter identification
feature extraction
dimensionality reduction
VMD
ESDA
variational mode decomposition
exponential semi-supervised discriminant analysis
identyfikacja emitera komunikacyjnego
ekstrakcja cech
redukcja wymiarowości
rozkład w trybie wariacyjnym
analiza dyskryminacyjna wykładnicza półnadzorowana; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czasopisma i Monografie PAN
Powiązania:: https://bibliotekanauki.pl/articles/27311449.pdf Link otwiera się w nowym oknie
Opis:: The individual identification of communication emitters is a process of identifying different emitters based on the radio frequency fingerprint features extracted from the received signals. Due to the inherent non-linearity of the emitter power amplifier, the fingerprints provide distinguishing features for emitter identification. In this study, approximate entropy is introduced into variational mode decomposition, whose features performed in each mode which is decomposed from the reconstructed signal are extracted while the local minimum removal method is used to filter out the noise mode to improve SNR. We proposed a semi-supervised dimensionality reduction method named exponential semi-supervised discriminant analysis in order to reduce the high-dimensional feature vectors of the signals, and LightGBM is applied to build a classifier for communication emitter identification. The experimental results show that the method performs better than the state-of-the-art individual communication emitter identification technology for the steady signal data set of radio stations with the same plant, batch and model.
Dostawca treści:: Biblioteka Nauki

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