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Zi-Qing Wu
Northwestern Polytechnical University
Magnetic fieldProtein crystallizationChemistryCrystallizationCrystallography
9Publications
4H-index
31Citations
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Publications 13
Newest
#1Yong-Ming Liu (NPU: Northwestern Polytechnical University)H-Index: 7
#2Zi-Qing Wu (NPU: Northwestern Polytechnical University)H-Index: 4
Last. Yun-Zhu Guo (NPU: Northwestern Polytechnical University)H-Index: 8
view all 15 authors...
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#1Yong-Ming Liu (NPU: Northwestern Polytechnical University)H-Index: 7
#2Zi-Qing Wu (NPU: Northwestern Polytechnical University)H-Index: 4
Last. Da-Chuan Yin (NPU: Northwestern Polytechnical University)H-Index: 18
view all 3 authors...
Abstract The contact angle, as a vital measured parameter of wettability of a material surface, is pertinent to adhesion, nucleation, capillary phenomena, and liquid management in space. With the development of space exploration, the relationship between the contact angle and gravity has attracted increasing attention. In this study, we designed and manufactured a long-arm centrifuge (d =6 m) and a matched low-rate dynamic contact angle measurement system, which has the capacity to measure the a...
1 CitationsSource
Source
#1Yong-Ming Liu (NPU: Northwestern Polytechnical University)H-Index: 7
#2Zi-Qing Wu (NPU: Northwestern Polytechnical University)H-Index: 4
Last. Yun-Zhu Guo (NPU: Northwestern Polytechnical University)H-Index: 8
view all 15 authors...
The contact angle, as a vital measured parameter of wettability of material surface, has long been in dispute whether it is affected by gravity. Herein, we measured the advancing and receding contact angles on extremely low contact angle hysteresis surfaces under different gravities (1-8G) and found that both of them decrease with the increase of the gravity. The underlying mechanism is revealed to be the contact angle hysteresis and the deformation of the liquid-vapor interface away from the so...
1 CitationsSource
#1Jin LiH-Index: 1
Last. Da-Chuan YinH-Index: 18
view all 10 authors...
We present a systematic quality comparison of protein crystals obtained with and without cross-linked protein crystal (CLPC) seeds. Four proteins were used to conduct the experiments, and the results showed that crystals obtained in the presence of CLPC seeds exhibited a better morphology. In addition, the X-ray diffraction data showed that the CLPC seeds method is a powerful tool to obtain high-quality protein crystals. Therefore, we recommend the use of CLPC seeds in preparing high-quality dif...
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#1Zi-Qing Wu (NPU: Northwestern Polytechnical University)H-Index: 4
#2Yong-Ming Liu (NPU: Northwestern Polytechnical University)H-Index: 7
Last. Da-Chuan Yin (NPU: Northwestern Polytechnical University)H-Index: 18
view all 10 authors...
A magnetic field has been proved useful in protein crystallization in that it can help to improve the crystal quality, which is essential for high-resolution diffraction using crystallography. However, it is not widely utilized as a high-field magnet usually provides limited space which is usually too small for commercially available crystallization plates, so that the crystallization screening and optimization in such a magnet become a challenging task. Here we show that a specially designed fl...
Source
#1Yue Liu (NPU: Northwestern Polytechnical University)H-Index: 4
#2Zi-Qing Wu (NPU: Northwestern Polytechnical University)H-Index: 4
Last. Da-Chuan Yin (NPU: Northwestern Polytechnical University)H-Index: 18
view all 6 authors...
As a kind of physical environment, magnetic fields are widely used in many different fields, ranging from scientific research to industrial production. With the rapid development of magnetic technology, the importance of magnetic fields in scientific research and practical applications has become increasingly prominent. One notable research field is the application of magnetic fields in the research of biological macromolecules. In this research field, gradient magnetic fields, as one kind of ma...
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#1Zi-Qing Wu (NPU: Northwestern Polytechnical University)H-Index: 4
#2Ya-Li Liu (NPU: Northwestern Polytechnical University)H-Index: 7
Last. Da-Chuan Yin (NPU: Northwestern Polytechnical University)H-Index: 18
view all 9 authors...
Abstract Utilization of the space environment provides invaluable opportunities for researchers to fulfill challenging tasks that are impossible on Earth. Longtime sustainable containerless and simultaneously weightless condition is a desirable physical environment that can be easily obtained in outer space. However, in a space station, due to unpredictable disturbances, i.e., g-jitter, objects that are floating in containerless and weightless conditions may not be able to stay motionless at a s...
1 CitationsSource
#1Yong-Ming Liu (NPU: Northwestern Polytechnical University)H-Index: 7
#2Rui-Qing Chen (NPU: Northwestern Polytechnical University)H-Index: 5
Last. Da-Chuan Yin (NPU: Northwestern Polytechnical University)H-Index: 18
view all 8 authors...
The contact angle is an important parameter that is essential for studying interfacial phenomena. The contact angle can be measured using commercially available instruments. However, these well-developed instruments may not function or may be unsuitable for use in some special environments. A simulated microgravity generated by a large gradient magnetic field is such an environment in which the current measurement instruments cannot be installed. To measure the contact angle in this environment,...
2 CitationsSource
#1Yong-Ming Liu (NPU: Northwestern Polytechnical University)H-Index: 7
#2Hai-Sheng Li (NPU: Northwestern Polytechnical University)H-Index: 6
Last. Da-Chuan Yin (NPU: Northwestern Polytechnical University)H-Index: 18
view all 8 authors...
Environments with varying temperatures have been shown to beneficially increase the probability of obtaining protein crystals. Therefore, a cycling temperature strategy (CTS) has been proposed for protein crystallization screening. During the practical application of this strategy, it is necessary to know the effective temperature range that promotes crystallization to design a suitable temperature program. In this paper, the effects of different temperature ranges on lysozyme crystallization (o...
6 CitationsSource
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