Wyniki wyszukiwania dla: B. Gao

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artykuł

Controlled expression of lysis gene E by a mutant of the promoter pL of the thermo‐inducible λcI857‐pL system

L.X. Fu, J.S. Gong, B. Gao, D.J. Ji, więcej

Journal of Applied Microbiology > 130 > 6 > 2008 - 2017

Aims To identify a lambda promoter pL mutant that could extend the thermal stability of the thermo‐inducible λcI857‐pR/pL system and to evaluate the effects of the modified system for the controlled expression of lysis gene E during the production of bacterial ghosts (BGs). Methods and results The promoter pL mutant was identified by random mutagenesis and site‐directed mutagenesis. The results...

artykuł

Sorption of aqueous methylene blue, cadmium and lead onto biochars derived from scrap papers

X. Xu, X. Hu, Z. Ding, B. Gao

Polish Journal of Environmental Studies > 2020 > 29 > 6

artykuł

Occurrence and health risk assessment of trace metals in desalinated seawater using two desalination technologies

B. Gao, H. Yu, J. Gao, L. Liu, więcej

Polish Journal of Environmental Studies > 2020 > 29 > 5

artykuł

Haplotype analysis encompassing HTT gene in Chinese patients with Huntington's disease

X.‐Y. Li, H.‐L. Li, Y. Dong, B. Gao, więcej

European Journal of Neurology > 27 > 2 > 273 - 279

Background and purpose Huntington's disease (HD) is a dominantly inherited neurodegenerative disorder with varied prevalence in different populations, which may be associated with specific haplotypes. This study aimed to explore the haplotypes encompassing the HTT gene in the Chinese population. Methods A total of 406 individuals with HD and 59 normal relatives from 253 families with HD were enrolled...

artykuł

Histone hyperacetylation may improve the preimplantation development and epigenetic status of cloned embryos

J. Sun, K. Cui, Z. Li, B. Gao, więcej

Reproductive Biology > 2020 > 20 > 2

artykuł

The efficacy of the Dietary Approaches to Stop Hypertension diet with respect to improving pregnancy outcomes in women with hypertensive disorders

F. Jiang, Y. Li, P. Xu, J. Li, więcej

Journal of Human Nutrition and Dietetics > 32 > 6 > 713 - 718

Background The DASH (Dietary Approaches to Stop Hypertension) diet serves as a dietary pattern for the prevention and control of hypertension. The present study aimed to investigate whether the DASH diet can improve the outcomes of pregnancy with gestational hypertension (GH) and chronic hypertension. Methods The current randomised controlled clinical trial was performed in 85 pregnant women diagnosed...

artykuł

Regulation of five-antibiotic mixture on Microcystis aeruginosa exposed to sublethal doses of ultraviolet radiation

Y. Shi, Y. Liu, J. Zhang, B. Gao

International Journal of Environmental Science and Technology > 2019 > 16 > 12 > 8229-8238

Previous reports suggested that coexisting antibiotics could enhance cyanobacterial growth and cyanotoxin production, but the influence of antibiotics on cyanobacterial removal has not been reported. This study investigated regulation effects and mechanisms of mixed antibiotics (ciprofloxacin, amoxicillin, sulfamethoxazole, tetracycline and spiramycin) in Microcystis aeruginosa exposed to UV-B and...

artykuł

Distributions of polycyclic aromatic hydrocarbons in coal in China

B. Gao, Q. Feng, L. Zhou, H. Wu, więcej

Polish Journal of Environmental Studies > 2019 > 28 > 3

Groundwater level rises rapidly when mine drainage systems stop functioning after mine closures. Free-form polycyclic aromatic hydrocarbons (PAHs) in residual pillaring and abandoned mining levels could continue to migrate because of eluviation leaching. Moreover, other aquifers are polluted with mine water through mining-induced fractures, faults, and poorly sealed drill holes. Therefore, the distributions...

artykuł

Geochemistry of the thermal waters in Jiangxi Province, China

S.L. Shvartsev, Z. Sun, S.V. Borzenko, B. Gao, więcej

Applied Geochemistry > 2018 > 96 > C > 113-130

The chemical and isotopic compositions and the origin and formation conditions of the nitric and carbon dioxide thermal waters in Jiangxi Province (China) are examined. The differences between these nitric and carbon dioxide thermal waters are shown. The nitric thermal waters are ultra-fresh and high alkaline with abundant SiO₂, F, Na, Li, B, Sr, Rb, etc. but low concentrations of Ca, Mg, Cl, Ag,...

artykuł

Optimization of the Microstructure and Mechanical Properties of a Laves Phase-Strengthened Hypoeutectic NiAl/Cr(Mo,W) Alloy by Suction Casting

L. Y. Sheng, B. N. Du, S. P. Zan, C. Lai, więcej

Strength of Materials > 2018 > 50 > 3 > 504-514

A niobium (Nb)-doped NiAl/Cr(Mo,W) hypoeutectic alloy was prepared by conventional and suction casting methods. Its microstructure and compression properties were studied to evaluate the effect of a manufacturing process. A coarse primary NiAl phase and NiAl/Cr(Mo) eutectic cell are demonstrated to be the main components of a NiAl/Cr(Mo,W)–Nb hypoeutectic alloy. The Nb addition promotes the formation...

artykuł

Histogram analysis of stretched‐exponential and monoexponential diffusion‐weighted imaging models for distinguishing low and intermediate/high gleason scores in prostate carcinoma

Wei Liu, Xiao H. Liu, Wei Tang, Hong B. Gao, więcej

Journal of Magnetic Resonance Imaging > 48 > 2 > 491 - 498

Background Noninvasive measures to evaluate the aggressiveness of prostate carcinoma (PCa) may benefit patients. Purpose To assess the value of stretched‐exponential and monoexponential diffusion‐weighted imaging (DWI) for predicting the aggressiveness of PCa. Study Type Retrospective study. Subjects Seventy‐five patients with PCa. Field Strength 3T DWI examinations were performed using b‐values...

artykuł

Thermodynamic design and analysis of movable small scale mixed-refrigerant liquid nitrogen generators

H.C. Wang, H. Guo, G.F. Chen, Y.X. Zhao, więcej

International Journal of Refrigeration > 2018 > 90 > C > 202-215

Thermodynamic design and analysis of small scale liquid nitrogen generators based on mixed-refrigerant Joule–Thomson cycle (MR JT) are illustrated in this paper, providing low-cost choices for remote and field users. Bottled pure nitrogen, PSA unit or mini air separation column are utilized in different processes, with feed gases liquefied in the MR JT refrigerators driven by single-stage compressors...

artykuł

Identification of a 62‐kDa major allergen from Artemisia pollen as a putative galactose oxidase

W. Fu, Z. Gao, L. Gao, J. Jin, więcej

Allergy > 73 > 5 > 1041 - 1052

Background Around 20 years ago, a 60‐ to 70‐kDa protein was reported as a major allergen of mugwort (Artemisia vulgaris) pollen. This study was to identify and characterize its molecular properties. Methods Sera from 113 Chinese and 20 Dutch Artemisia‐allergic/sensitized subjects (and pools thereof) were used to identify the 60‐ to 70‐kDa allergen. Pollen extracts of seven Artemisia species were...

artykuł

A calibration of WFCTA prototype telescopes using N 2 laser

J.L. Liu, F.R. Zhu, H.Y. Jia, Y.X. Bai, więcej

Nuclear Instruments and Methods in Physics Research Section A: Accelerators,... > 2018 > 877 > C > 278-287

An end-to-end calibration method, which is different from the traditional way, has been employed in WFCTA prototype experiment based on N 2 laser. As we known, the calculation of the expected and the observed light fluxes at the front of the aperture of the telescope are crucial in the such method. To calculate predicted light flux accurately, the propagation and scattering of photons in the...

rozdział

Quantum photonic wavelength conversion and modulation using low loss aluminum nitride

G. Zhang, J. G. Huang, W. Ser, W. B. Gao, więcej

2017 Conference on Lasers and Electro-Optics (CLEO) > 1 - 2

2017 Conference on Lasers and Electro-Optics (CLEO)

An AlN photonic chip for quantum wavelength convention and modulation is designed and fabricated. The waveguide has low loss down to 1.2 dB/cm. Fast switching using Pockels effect and second harmonic generation is achieved.

rozdział

Two-dimensional quantum walk using 3D silicon photonic fabrication

L. B. Yan, J. G. Huang, G. Zhang, L. C. Kwek, więcej

2017 Conference on Lasers and Electro-Optics (CLEO) > 1 - 2

2017 Conference on Lasers and Electro-Optics (CLEO)

A 2D quantum walk on an integrated quantum photonic circuit is demonstrated by using a multilayer low-loss Si₃N₄ waveguide lattice, which has promising applications in quantum computing and quantum communication, etc.

rozdział

Two-qubits controlled-unitary quantum gates for quantum computing by silicon photonic chip

J. G. Huang, L. C. Kwek, J. B. Gong, W. B. Gao, więcej

2017 Conference on Lasers and Electro-Optics (CLEO) > 1 - 2

2017 Conference on Lasers and Electro-Optics (CLEO)

We demonstrate two-qubits controlled unitary quantum gates in a single silicon photonic chip. It can greatly reduce the size and complexity of the functional quantum circuits without decomposition it into plenty of elementary logic gates.

rozdział

An integrated photonic chip for continuous-variable quantum key distribution

G. Zhang, J. Wu, S. Yu, L. C. Kwek, więcej

2017 Conference on Lasers and Electro-Optics (CLEO) > 1 - 2

2017 Conference on Lasers and Electro-Optics (CLEO)

An integrated photonic chip for continuous-variable quantum key distribution is designed and fabricated. The modulation speed reaches 0.4 GHz. High extinction ratio up to 40 dBm for polarization multiplexing components is achieved.

artykuł

Impact parameter sensitive study of inner-shell atomic processes in the experimental storage ring

A. Gumberidze, C. Kozhuharov, R.T. Zhang, S. Trotsenko, więcej

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions... > 2017 > 408 > C > 27-30

In this work, we present a pilot experiment in the experimental storage ring (ESR) at GSI devoted to impact parameter sensitive studies of inner shell atomic processes for low-energy (heavy-) ion-atom collisions. The experiment was performed with bare and He-like xenon ions (Xe⁵⁴⁺, Xe⁵²⁺) colliding with neutral xenon gas atoms, resulting in a symmetric collision system. This choice of the projectile...

artykuł

Effects of hydrogen on the structural and optical properties of MoSe2 grown by hot filament chemical vapor deposition

B.B. Wang, M.K. Zhu, I. Levchenko, K. Zheng, więcej

Journal of Crystal Growth > 2017 > 475 > C > 1-9

The role of reactive environment and hydrogen specifically in growth and structure of molybdenum selenide (MoSe₂) nanomaterials is presently debated, and it is not clear whether hydrogen can promote the growth of MoSe₂ sheets and alter their electronic properties. To find efficient, convenient methods for controlling the nucleation, growth and resultant properties of MoSe₂ nanomaterials, MoSe₂ nanoflakes...

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