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580 results on '"Huang, Y.H"'

51. FXIIa-cMCoFx1 complex

Author

Sengoku, T., primary, Liu, W., additional, de Veer, S.J., additional, Huang, Y.H., additional, Okada, C., additional, Zdenek, C.N., additional, Fry, B.G., additional, Swedberg, J.E., additional, Passioura, T., additional, Craik, D.J., additional, Suga, H., additional, and Ogata, K., additional

Published
2021
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55. hyen D

Author

Du, Q., primary, Huang, Y.H., additional, Craik, D.J., additional, and Wang, C.K., additional

Published
2021
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57. [I11G]hyen D

Author

Du, Q., primary, Huang, Y.H., additional, Wang, C.K., additional, and Craik, D.J., additional

Published
2021
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81. Computerized tomography technique for reconstruction of obstructed phase data in shearography

Author

Hung, Y.Y., Huang, Y.H., Liu, L., Ng, S.P., and Chen, Y.S.

Subjects
Algorithms -- Properties, CT imaging -- Methods, Interferometry -- Methods, Holography -- Methods, Algorithm, Astronomy, Physics
Abstract

Shearography is an interferometric method that overcomes several limitations of holography by eliminating the reference beam. It greatly simplifies the optical setup and has much higher tolerance to environmental disturbances. Consequently, the technique has received considerable industrial acceptance, particularly for nondestructive testing. Shearography, however, is generally not applicable to the measurement of an obstructed area, as the area to be measured must be accessible to both illumination and imaging. We present an algorithm based on the principle of tomography that permits the reconstruction of the unavailable phase distribution in an obstructed area from the measured boundary phase distribution. In the process, a set of imaginary rays is projected from many different directions across the area. For each ray, integration of the phase directional derivative along the ray is equal to the phase difference between the boundary points intercepted by the ray. Therefore, a set of linear equations can be established by considering the multiple rays. Each equation expresses the unknown phase derivatives in the obstructed area in terms of the measured boundary phase. Solution of the set of simultaneous equations yields the unknown phase distribution in the blind area. While its applications to shearography are demonstrated, the technique is potentially applicable to all full-field optical measurement techniques such as holography, speckle interferometry, classical interferometry, thermography, moire, photoelasticity, and speckle correlation techniques. OCIS codes: 100.6950, 090.2880, 100.3190, 100.3020.

Published
2008

86. The delta subunit and NTPase HelD institute a two pronged mechanism for RNA polymerase recycling

Author

Pei, H.H., Hilal, T., Chen, Z.A., Huang, Y.H., Gao, Y., Said, N., Loll, B., Rappsilber, J., Belogurov, G.A., Artsimovitch, I., and Wahl, M C.

Subjects
enzymes and coenzymes (carbohydrates), genetic processes, health occupations, bacteria, Inhouse research on structure dynamics and function of matter
Abstract

Cellular RNA polymerases RNAPs can become trapped on DNA or RNA, threatening genome stability and limiting free enzyme pools, but how RNAP recycling into active states is achieved remains elusive. In Bacillus subtilis, the RNAP amp; 948; subunit and NTPase HelD have been implicated in RNAP recycling. We structurally analyzed Bacillus subtilis RNAP amp; 948; HelD complexes. HelD has two long arms a Gre cleavage factor like coiled coil inserts deep into the RNAP secondary channel, dismantling the active site and displacing RNA, while a unique helical protrusion inserts into the main channel, prying the amp; 946; and amp; 946; amp; 8242; subunits apart and, aided by amp; 948;, dislodging DNA. RNAP is recycled when, after releasing trapped nucleic acids, HelD dissociates from the enzyme in an ATP dependent manner. HelD abundance during slow growth and a dimeric RNAP amp; 948; HelD 2 structure that resembles hibernating eukaryotic RNAP I suggest that HelD might also modulate active enzyme pools in response to cellular cues

Published
2020

88. Contributor contact details

Author

Karbhari, Vistasp M., primary, Huang, Jerry Q., additional, Heuer, Henning, additional, Schulze, Martin H., additional, Meyendorf, Norbert, additional, Francis, D., additional, Hung, Emeritus Y.Y., additional, Yang, L.X., additional, Huang, Y.H., additional, Pethrick, Richard A., additional, Stark, Wolfgang, additional, Bohmeyer, Werner, additional, Ehrhart, Bastien, additional, Valeske, Bernd, additional, Bockenheimer, Clemens, additional, Mustapha, Samir, additional, Ye, Lin, additional, Wong, B. Stephen, additional, Ley, Obdulia, additional, Godinez, Velery, additional, Rajic, N., additional, Meola, Carosena, additional, Carlomagno, Giovanni Maria, additional, Hsu (retired), D.K., additional, Tittmann, B.R., additional, Miyasaka, C., additional, Guers, M., additional, Kasano, H., additional, Morita, H., additional, Veidt, Martin, additional, Liew, Chin Kian, additional, Halabe, Udaya B., additional, Shirazi, Ali, additional, Karbhari, Vistasp M., additional, Taillade, Frédéric, additional, Quiertant, Marc, additional, Benzarti, Karim, additional, Aubagnac, Christophe, additional, Moser, Eberhard, additional, Choi, Wonchang, additional, Yun, Hyun-Do, additional, Feng, Maria Q., additional, Roqueta, Gemma, additional, Jofre, Lluis, additional, Dong, Yongtao, additional, Avdelidis, Nico P., additional, Gan, Tat-Hean, additional, Suratkar, Ashish, additional, Sajjadi, Amir Yousef, additional, and Mitra, Kunal, additional

Published
2013
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