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Tytuł:
Fabrication of Electrical Conductivity and Reinforced Electrospun Silk Nanofibers with MWNTs
Wytwarzanie jedwabnych nanowłókien z dodatkiem nanorurek węglowych
Autorzy:
Zuo, L.
Zhang, F.
Gao, B.
Zuo, B.
Powiązania:
https://bibliotekanauki.pl/articles/233353.pdf
Data publikacji:
2017
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:
silk
multiwalled carbon nanotubes
MWNTs
electrospinning
reinforce electrical conductivity
jedwab
nanowłókna
kwas hialuronowy
elektroprzędzenia
wzmocnienie przewodnictwa elektrycznego
Opis:
Electrospinning is an effective technique for fabricating submicron to nanoscale fibers from synthetic polymer as well as natural proteins. In this study, multiwalled carbon nanotubes (MWNTs) were embedded via electrospinning by adding MWNTs into the spinning dope, and found to be well aligned along the fiber axis in the silk fibroin nanofibers. The morphology and microstructure of the electrospun nanofibers were characterised using a field emission scanning electron microscope (FESEM) and Transmission electron microscopy (TEM). X-ray diffraction (XRD) and TG-DTA were used to study the crystal structure of the silk/MWNTs composite nanofibres, carried out to alter the strength, toughness and electrical conductivity of silk nanofibers by adding a small amount of MWNTs. The electrospun random silk mats with 1% MWNTs had a Young’s modulus, ultimate tensile strength and strain of 107.46 ± 9.15MPa, 9.94 ± 1.2MPa and 9.25 ± 1.5%, respectively, and electrical conductivity increased to 1.2×10-4S/cm. The silk/MWNTs composite nanofibres could potentially be applied in nerve repair materials owing to their excellent mechanical properties and electrical conductivity.
Za pomocą elektroprzędzenia wytworzono jedwabne nanowłókna z dodatkiem nanorurek węglowych. Zbadano wpływ nanorurek węglowych na morfologię, strukturę, właściwości mechaniczne i przewodność elektryczną j nanowłókien. Morfologię i mikrostrukturę otrzymanych nanowłókien scharakteryzowano za pomocą skaningowego mikroskopu elektronowego (FESEM) i transmisyjnej mikroskopii elektronowej (TEM). Wyniki badań rentgenowskich i cieplnych wykazały, że dodanie nanorurek nie wywierało istotnego wpływu na strukturę nanowłókien w porównaniu do niemodyfikowanych nanowłókien fibroinowych. Poprzez dodanie nanorurek uzyskano polepszenie właściwości mechanicznych, została również polepszona przewodność elektryczna nanowłókien. Na podstawie otrzymanych wyników stwierdzono, że jedwabne nanowłókna z dodatkiem nanorurek węglowych mogą być stosowane w materiałach do naprawy nerwów dzięki ich doskonałym właściwościom mechanicznym i przewodności elektrycznej.
Źródło:
Fibres & Textiles in Eastern Europe; 2017, 3 (123); 40-44
1230-3666
2300-7354
Pojawia się w:
Fibres & Textiles in Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Molecular cloning, bioinformation analysis and expression of the strictosidine synthase in Dendrobium officinale
Autorzy:
Zhu, Y.-F.
Fan, H.-H.
Li, D.-H.
Jin, Q.
Zhang, C.-M.
Zhu, L.-Q.
Song, C.
Cai, Y.-P.
Lin, Y.
Powiązania:
https://bibliotekanauki.pl/articles/12715947.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Opis:
The enzyme strictosidine synthase (STR, EC: 4.3.3.2) plays a key role in the biosynthetic pathway of terpenoid indole alkaloid (TIA). It catalyzes the condensation of the tryptamine and secologanin to form 3α(S)-strictosidine, which is the common precursor of all TIAs. In this paper, a STR gene designated as DoSTR (GenBank: KX068707) was first cloned and characterized from Dendrobium officinale with rapid amplified cDNA ends method (RACE). DoSTR has a length of 1380bp with 1179bp open reading frame encoding 392 amino acids. BlastP analyses showed that its amino acid sequence was classified into Str_synth superfamily. qRT-PCR showed that DoSTR was expressed in all tissues tested, with a significantly higher level in flower and the lowest in stem. Four different treatments with MeJA, SA, ABA and AgNO₃, respectively, could induce the DoSTR expression to a different extent. And the effect of MeJA was the most obvious and transcript level of DoSTR induced by MeJA was 20.7 times greater than that of control at 48 hours after treatment. Furthermore, it was found that DoSTR was localized in vacuole through transient expression in tobacco. The characterization and expression of DoSTR can help in further studying the role of DoSTR in the biosynthesis of TIAs in D. officinale. This study may throw light on the alkaloid biosynthesis pathway of D. officinale.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2020, 19, 3; 111-124
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An integrated treatment technology for ground fissures of shallow coal seam mining in the mountainous area of southwestern China: a typical case study
Zintegrowana technologia zapobiegania pęknięciom gruntu w procesie wydobywania płytkich pokładów węgla w górzystym obszarze południowo-zachodnich Chin: typowe studium przypadku
Autorzy:
Zhu, H.
He, F.
Zhang, S.
Yang, Z.
Powiązania:
https://bibliotekanauki.pl/articles/215969.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Instytut Gospodarki Surowcami Mineralnymi i Energią PAN
Tematy:
wydobywanie węgla
płytki pokład węgla
pęknięcia gruntu
zapadlisko górnicze
zintegrowana technologia zapobiegania
ochrona środowiska
shallow coal seam mining
ground fissures
surface sinkhole
integrated treatment technology
environmental protection
Opis:
This article is the result of treatments on ground fissures for environmental protection and scientific shallow coal seam mining. In the southwestern mining area of China, the traditional longwall mining method has caused a large area of surface sinkhole, ground fissures, vegetation deterioration and disorderly coal gangue. To solve these problems, an integrated treatment technology that includes ground fissure treatment technology and underground backfilled technology was proposed as a solution. The technical principle and technical process were explained in detail; the ground fissure treatment technology involves a “three-step treatment method”, and the underground backfilled technology adopted a strip mining method with backfilling technology. The compression mechanical behavior of backfilled material, including coal gangue, fly ash and ordinary Portland cement, was studied; the mixed ratio of 1:0.3:0.18 was selected. In addition, the vertical stress, vertical displacement and plastic zone of the coal pillar were determined by FLAC3D numerical simulation, and a rational mining scheme of “11 m mining width, 2 m coal pillar width” was determined to be appropriate because of the lower vertical stress, smaller vertical displacement and better supporting capacity of the coal pillar. The monitoring results of ground sinkhole indicated that the maximal ground sinkhole deformation was 17.3 cm, and the deformation showed few changes after this technology was implemented. The treatment capacity of coal gangue and fly ash reached 821.150 t per year, and the vegetation survival rate of the ground fissure treatment area reached 85%. This integrated treatment technology could effectively control ground fissures and surface sinkhole as well as protect the environment.
Artykuł jest opisem zapobiegania pęknięciom gruntu w celu ochrony środowiska, jak również naukowego podejścia do wydobywania płytko zalegających pokładów węgla. W południowo-zachodniej części górniczej Chin tradycyjna, ścianowa metoda wydobywania węgla, powodowała duży obszar powierzchniowego zapadliska, pęknięcia gruntu, pogorszenie stanu wegetacji roślin. W celu rozwiązania tych problemów zaproponowano zintegrowaną technologię zapobiegania, która obejmuje technologię zapobiegania pęknięciom gruntu i podziemną technologię podsadzki. Zasada i proces techniczny zostały szczegółowo opisane; technologia zapobiegania pęknięciom gruntu obejmuje „trójstopniową metodę zabiegu”, a technologia podsadzki zaadoptowała metodę wydobywania węgla pasami. Badano ściśliwość podsadzki, w tym odpadów węglowych, popiołu lotnego i zwykłego cementu portlandzkiego; wybrano mieszaninę o stosunku 1: 0,3: 0,18. Ponadto pionowe naprężenie, pionowe przemieszczenie i strefa plastyczności filaru węglowego zostały określone za pomocą symulacji numerycznej FLAC 3D. Racjonalny schemat wydobycia „szerokość wydobycia 11 m, szerokość filaru węglowego 2 m” był odpowiedni ze względu na niższą wartość naprężenia pionowego, mniejsze pionowe przemieszczenie i lepszą nośność filaru węglowego. Wyniki monitoringu pęknięć gruntu wskazują, że maksymalna deformacja gruntu wynosiła 17,3 cm i wykazała kilka zmian po wdrożeniu tej technologii. Ilość zagospodarowanych odpadów węglowych i popiołu lotnego wynosiła 821 150 Mg na rok, a wskaźnik przeżycia roślinności w obszarze zapobiegania pęknięciom gruntu osiągnął poziom 85%. Ta zintegrowana technologia zapobiegania może skutecznie kontrolować pęknięcia gruntu i deformację powierzchni, a także chronić środowisko.
Źródło:
Gospodarka Surowcami Mineralnymi; 2018, 34, 1; 119-138
0860-0953
Pojawia się w:
Gospodarka Surowcami Mineralnymi
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal Performance Assessment of Heat Resistant Fabrics Based on a New Thermal Wave Model of Skin Heat Transfer
Autorzy:
Zhu, F.
Zhang, W.
Song, G.
Powiązania:
https://bibliotekanauki.pl/articles/90033.pdf
Data publikacji:
2006
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
thermal performance
skin burn
skin simulant sensor
heat resistant fabrics
thermal wave skin model
ciepło
temperatura skóry
oparzenie
Opis:
A thermal wave skin model incorporating surface heat flux from a skin simulant sensor is developed to characterize the thermal performance of heat resistant fabrics covering the skin simulant sensor. Comparisons of time to 2nd-degree skin burn and temperature elevation of skin beneath a layer of fabric between the Pennes’ equation and the newly developed thermal wave skin model are performed in this research. Results of tolerance time from the Stoll criterion method are also compared with those from 2 skin models in a thermal protective performance calorimeter. It is concluded that the thermal properties of heat resistant fabrics can be characterized more precisely than previously.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2006, 12, 1; 43-51
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
One step purification of impurities in the leachate of weathered crust elution-deposited rare earth ores
Autorzy:
Zhou, F.
Feng, J.
Wang, Z.
Xu, Y.
Zhang, Z.
Chi, R.
Powiązania:
https://bibliotekanauki.pl/articles/110333.pdf
Data publikacji:
2017
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
leachate
weathered crust
rare earth ore
leachate purification
precipitation
Opis:
It is necessary to control and reduce the high content of Al3+, Cu2+ and Pb2+ ions in the leachate of weathered crust elution-deposited rare earth ore to facilitate the rare earth recovery and the quality of rare earth products. Neither NH4HCO3 nor Na2S are suitable for removal of all impurity ions and meanwhile maintain high rare earth recovery. Conventionally, NH4HCO3 is firstly adopted to remove Al3+, and then Cu2+ and Pb2+ are removed by using Na2S. This two steps purification process is quite long and results in lots of complication in operation. In this paper, a one-step purification by using the compound of NH4HCO3 and Na2S was proposed to remove Al3+, Cu2+ and Pb2+. The results showed that after purification 89% Cu, 92% Pb and 74% Al were removed from the leachate solution by using 0.1 M compound of NH4HCO3/Na2S, while maintaining 89% rare earth. The optimal purification parameters were: volume ratio of NH4HCO3 to Na2S of 9:1, volume ratio of compound to leachate of 0.05:1, precipitation time of 30 min.
Źródło:
Physicochemical Problems of Mineral Processing; 2017, 53, 2; 1188-1199
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detection of IL-1β, IL-6 and TNF-αin Sprague-Dawely rats’ atrophic thymus induced by lipopolysaccharide
Autorzy:
Zhong, Y.B.
Zhang, X.L.
Lv, M.Y.
Hu, X.F.
Li, Y.
Powiązania:
https://bibliotekanauki.pl/articles/2087664.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
lipopolysaccharide
pro-inflammatory cytokines
thymus atrophy
rat
Źródło:
Polish Journal of Veterinary Sciences; 2018, 21, 3; 589-597
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Identification of Ephedra species by phylogenetic analyses using matK and ITS1 sequences
Autorzy:
Zhao, Y.S.
Xie, L.X.
Mao, F.Y.
Cao, Z.
Wang, W.P.
Zhao, Q.P.
Zhang, X.H.
Powiązania:
https://bibliotekanauki.pl/articles/56673.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Botaniczne
Opis:
In this study, the species identifications of seven Ephedra plants, including three medicinal plants from the Pharmacopoeia of the People’s Republic of China, were conducted using phylogenetic analyses, and the method’s validity was verified. The phylogenetic trees constructed from the maturase-coding gene (matK) and internal transcribed spacer 1 (ITS1) sequences showed that the former could be used for identifying five Ephedra plants, Ephedra intermedia, E. equisetina, E. antisyphilitica, E. major, and E. aphylla, but it had less power to discriminate E. sinica and E. przewalskii, while the latter could distinguish five Ephedra plants, E. przewalskii, E. equisetina, E. antisyphilitica, E. major, and E. aphylla, but it had less power to discriminate E. sinica and E. intermedia. However, when the two genes were combined, the seven species could be completely distinguished from each other, especially the medicinal plants from the others, which is significant in developing their pharmaceutical uses and in performing quality control assessments of herbal medicines. The method presented here could be applied to the analysis of processed Ephedra plants and to the identification of the botanical origins of crude drugs. Additionally, we discovered that E. equisetina and E. major were probably closely related to each other, and that E. sinica, E. intermedia, and E. przewalskii also had a close genetic relationship.
Źródło:
Acta Societatis Botanicorum Poloniae; 2016, 85, 2
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ferrite Decarburization of High Silicon Spring Steel in Three Temperature Ranges
Autorzy:
Zhao, F.
Zhang, C. L.
Liu, Y. Z.
Powiązania:
https://bibliotekanauki.pl/articles/350822.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
surface decarburization
steel
oxidation
carbon diffusion
Opis:
Surface decarburization of high silicon spring steel in ambient air was studied. The experimental results confirmed the decarburized mechanism under AC1 temperature, in the temperature range of AC1-AC3 and AC3-G. Under AC1 temperature, pearlite spheroidization and surface decarburization are carried out simultaneously and pearlite spheroidization is reinforced. Considering the oxidation loss depth, the “true ferrite decarburized depth” at 850 °C (AC3-G) is still smaller than that at 760°C (AC1-AC3). That is because an “incubation period” must pass away before ferrite decarburization occurs in the temperature range of AC3-G, and the ferrite decarburized rate is limited to being equal to the partial decarburized rate.
Źródło:
Archives of Metallurgy and Materials; 2016, 61, 3; 1715-1722
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Insecticide susceptibility of the green plant bug, Apolygus lucorum Meyer-Dur (Homoptera: Miridae) and two predatory arthropods
Autorzy:
Zhang, Z.
Zhang, X.
Liu, F.
Mu, W.
Powiązania:
https://bibliotekanauki.pl/articles/66506.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
insecticide
susceptibility
green plant bug zob.true bug
true bug
Apolygus lucorum
Homoptera
Miridae
arthropod
cotton
pest
Chrysopa sinica
Propylaea japonica
safety evaluation
toxicity
Opis:
The green plant bug (Apolygus lucorum Meyer-Dür) is a key pest of Bt cotton in China. Along with biological control, chemical control is one of the most important strategies in A. lucorum Integrated Pest Management (IPM). The goal of this study was to evaluate the toxicity of eight conventional insecticides to A. lucorum and to assess the susceptibility of two generalist predators Chrysopa sinica (Jieder) and Propylaea japonica (Thunbery) to insecticides that are commonly used in A. lucorum management. Via glass-vial and leaf-dip bioassay, toxicity tests with selected insecticides at two different life-stages of A. lucorum indicated significant differences between the LD50 or LC50 values for these compounds within different insecticidal classes. Phenylpyrazole fipronil had the highest toxicity to 4th-instar nymphs and adults of A. lucorum, whereas neonicotinoid imidacloprid had the lowest toxicity among the insecticides. Females were more tolerant to insecticides than were males, as shown by the higher LD50 values for females. Furthermore, laboratory tests showed that endosulfan had the highest selectivity to C. sinica and P. japonica: the selective toxicity ratios (STRs) were superior to other tested insecticides, particularly imidacloprid, and were 5.396 and 4.749-fold higher than baseline STRs, respectively. From this study, we conclude that fipronil can potentially be used to efficiently control A. lucorum. An alternative control agent worth consideration is endosulfan, owing to its relative safety to non-targeted natural enemies.
Źródło:
Journal of Plant Protection Research; 2015, 55, 4
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The study on bactericidal effect and ultrastructural alterations of chlorocresol nanoemulsion disinfectant against Staphylococcus aureus
Autorzy:
Zhang, Y.F.
Sun, Y.W.
Liu, X.H.
An, Z.X.
Yang, X.F.
Powiązania:
https://bibliotekanauki.pl/articles/16647452.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
chlorocresol
nanoemulsion
disinfectant
Staphylococcus aureus
bactericidal effect
ultrastructure
Opis:
Chlorocresol nanoemulsion disinfectant (CND) is an environmental disinfectant prepared with nanoemulsion as its drug carrier. This study aimed to investigate the bactericidal effect of CND on Staphylococcus aureus ( S. aureus) and its effect on bacterial ultrastructure. The neutralizing effect of CND against S. aureus was first screened by suspension quantitative evaluation experiment procedure of neutralizer. Disinfection performance was evaluated by the determination of Minimal Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC), quantitative bactericidal experiment, and comparative experiment of disinfection performance between 0.1% CND and 0.1% chlorocresol aqueous solution. Meanwhile, the effect of CND on the ultrastructure of S. aureus was investigated with scanning electron microscope (SEM) and transmission electron microscope (TEM) to preliminarily explore the bactericidal mechanism. The results showed that 3% Tween-80 in PBS could be screened as the neutralizer of CND against S. aureus. MIC and MBC were 100 μg/mL and 200 μg/mL, respectively. The bactericidal rates were all 100% when 0.06% and 0.08% disinfectant acted for 15 and 5 min, respectively. Furthermore, compared with 0.1% chlorocresol aqueous solution, the bactericidal effect of 0.1% CND was significantly enhanced (p<0.01). After treatment with CND for 10 min, SEM observation showed that the morphology of S. aureus cells were changed and the integrity destroyed. TEM observation showed that the cell shape changed, and the structures of the cell wall, cell membrane and cytoplasm were damaged in varying degrees. CND showed the strong bactericidal effect on S. aureus and could cause ultrastructure alterations of S. aureus.
Źródło:
Polish Journal of Veterinary Sciences; 2023, 26, 1; 13-20
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of strain localization in porous media with transversely isotropic elasticity under undrained conditions
Autorzy:
Zhang, Y. Q.
Wang, L. Z.
Pang, M.
Fan, L. F.
Powiązania:
https://bibliotekanauki.pl/articles/949143.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
porous medium
strain localization
transverse isotropic elasticity
undrained condition
pore fluid compressibility
Opis:
The properties of strain localization for elastic-plastic porous media with transversely isotropic elasticity under undrained conditions are investigated. Under non-associated plasticity and tri-axial stress states, the conditions for strain localization of elastic-plastic porous media are derived, in which the effects of deviation from isotropic elasticity and pore fluid compressibility are included. Based on the Mohr-Coulomb yield criterion, the influences of the deviation from isotropic elasticity and pore fluid compressibility on the direction angle of localized band initiation and the corresponding critical hardening modulus for the case of plane strain are discussed. As a result, the properties of strain localization are dependent upon the deviation from isotropic elasticity and pore fluid compressibility. The deviation from isotropic elasticity and pore fluid compressibility has significant impacts on the direction angle of localized band initiation and the corresponding critical hardening modulus.
Źródło:
Journal of Theoretical and Applied Mechanics; 2017, 55, 1; 199-211
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Magnetic Properties of Oxygen Deficient Y$\text{}_{0.33}$Sr$\text{}_{0.67}$CoO$\text{}_{3-δ}$
Autorzy:
Zhang, Y. F.
Sasaki, S.
Yanagisawa, O.
Izumi, M.
Powiązania:
https://bibliotekanauki.pl/articles/2047221.pdf
Data publikacji:
2007-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
72.80.Ga
75.60.-d
75.70.Rf
81.40.Rs
Opis:
We studied magnetic properties of perovskite-type Y$\text{}_{0.33}$Sr$\text{}_{0.67}$ CoO$\text{}_{2.614}$ and Y$\text{}_{0.33}$Sr$\text{}_{0.67}$CoO$\text{}_{2.707}$ prepared under different sintered temperatures at 1250ºC and 1100ºC, respectively. A dc magnetization jump associated with a large thermal hysteresis around 180 K was found in Y$\text{}_{0.33}$Sr$\text{}_{0.67}$CoO$\text{}_{2.614}$, which indicates a kind of magnetic memory effect. On the other hand, Y$\text{}_{0.33}$Sr$\text{}_{0.67}$CoO$\text{}_{2.707}$ shows a larger magnetization with a small magnetization jump around 200 K and lower Curie temperature than those of Y$\text{}_{0.33}$Sr$\text{}_{0.67}$CoO$\text{}_{2.614}$. Rich Co$\text{}^{3+}$ ions in the low temperature sintered Y$\text{}_{0.33}$Sr$\text{}_{0.67}$CoO$\text{}_{2.707}$ possibly introduce large magnetization and high magnetization jump temperature. This may be coming from a surface/volume effect of Co$\text{}^{3+}$ ions appearing in the polycrystalline sample prepared at low temperature. The ferromagnetism resulted from the different surface/volume ratio contributes to a part of magnetization and may result in the change of the Curie temperature.
Źródło:
Acta Physica Polonica A; 2007, 111, 1; 79-86
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Caspase-1 inhibitor reduced the lung injury in a mouse model of pleuropneumonia caused by Actinobacillus pleuropneumoniae
Autorzy:
Zhang, Y.
Yang, T.
Huang, F.
Powiązania:
https://bibliotekanauki.pl/articles/2087250.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
porcine contagious pleuropneumonia
mice
caspase-1 inhibitors
caspase-1dependent pyroptosis
Źródło:
Polish Journal of Veterinary Sciences; 2020, 23, 4; 605-610
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Microstructure and Magnetic Properties of Magnetron-Sputtered [Fe/Pt]ₙ Multilayer Films
Autorzy:
Zhang, Y.
Yu, W.
Chen, F.
Liu, M.
Li, H.
Powiązania:
https://bibliotekanauki.pl/articles/1401879.pdf
Data publikacji:
2015-09
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
68.55.Jk
75.50.Ss
Opis:
[Fe/Pt]ₙ multilayer films were prepared on thermally oxidized Si (100) substrates at 300°C using dc magnetron sputtering and annealed for different temperature ranging from 350 to 500°C. It is found that the as-deposited [Fe/Pt]ₙ multilayer films exhibit well-resolved periodic structures and low roughness of interface. The ordering degree of the annealed films decreases and their perpendicular magnetic anisotropy deteriorates with increasing the period number. Fe/Pt bilayer film annealed at 350°C shows (001) orientation and hard magnetic characteristic, the coercivity and perpendicular anisotropy enhance with increase of annealing temperature. In addition, the hard and soft magnetic phases are not fully magnetically coupled in the Fe/Pt film annealed at higher temperature.
Źródło:
Acta Physica Polonica A; 2015, 128, 3; 326-330
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Protective effect of lithium chloride on pulmonary injury caused by Actinobacillus pleuropneumoniae via inhibition of GSK-3β-NF-κB-dependent pathway
Autorzy:
Zhang, Y.
Xu, W.
Tang, Y.
Huang, F.
Powiązania:
https://bibliotekanauki.pl/articles/16539075.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
porcine contagious pleuropneumonia
mouse model
lithium chloride
toll-likereceptor 4
GSK-3β-NF-κB-dependent pathways
Opis:
Porcine contagious pleuropneumonia (PCP) is a very serious respiratory disease which is difficult to prevent and treat. In this study, the therapeutic effects of lithium chloride (LiCl) on PCP were examined using a mouse model. A mouse model of PCP was established by intranasal infections with Actinobacillus pleuropneumoniae (App). Histopathological analysis was performed by routine paraffin sections and an H-E staining method. The inflammatory factors, TLR4 and CCL2 were analyzed by qPCR. The expression levels of p-p65 and pGSK-3ß were detected using the Western Blot Method. The death rates, clinical symptoms, lung injuries, and levels of TLR-4, IL-1ß, IL-6, TNF-α, and CCL2 were observed to decrease in the App-infected mice treated with LiCl. It was determined that the LiCl treatments had significantly reduced the mortality of the App-infected cells, as well as the expressions of p-p65 and pGSK-3ß. The results of this study indicated that LiCl could improve the pulmonary injuries of mice caused by App via the inhibition of the GSK-3β-NF-κB-dependent pathways, and may potentially become an effective drug for improving pulmonary injuries caused by PCP.
Źródło:
Polish Journal of Veterinary Sciences; 2022, 25, 1; 35-44
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 70

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