Academic literature on the topic 'Small loop antenna'

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Journal articles on the topic "Small loop antenna"

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Tsay, Tain-Sou. "Small Loop Antenna System Design for Radio Direction Finding." WSEAS TRANSACTIONS ON COMMUNICATIONS 20 (December 16, 2021): 172–76. http://dx.doi.org/10.37394/23204.2021.20.22.

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In this literature, a low-cost small loop antenna is developed for radio direction finding. It consists of two coupled rectangular counter-wiring loop antennas. A signal-processing circuit is developed also for demodulated outputs. A single rectangular loop antenna is discussed first for illustrating the receiving characteristics and then the proposed two coupled rectangular counter-wiring loop antennas are designed for radio direction finding. Measurements give a large linear detecting range. It is ready for Omni-directional application using another two coupled loop antennas and can be used
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Shastri, S. P., R. R. Singh, and K. V. Ajetrao. "Nonuniform C-Band Loop Antenna." Engineering, Technology & Applied Science Research 8, no. 5 (2018): 3496–501. https://doi.org/10.5281/zenodo.1490622.

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Antenna design becomes very difficult at very small wavelengths and a special lab is required to manufacture a small antenna which costs a lot. A new approach is proposed to enhance the bandwidth of the loop antenna which can be designed at very high frequency using conventional PCB design technique. The proposed antenna is a nonuniform loop and covers UWB frequency range. The nonuniform structure of the loop is designed using the concept of both thin and thick loop antenna together which leads to an improvement in the antenna bandwidth. The proposed nonuniform loop antenna covers a band of 91
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Anvesh, Inamdar, and S. Mundada G. "Design and Fabrication of Magnetic Loop Antenna for 5MHz." International Journal of Innovative Technology and Exploring Engineering (IJITEE) 10, no. 4 (2021): 29–32. https://doi.org/10.35940/ijitee.D8448.0210421.

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In the short-wave range, size of the antenna become large and therefore is a major constraint. Magnetic Loop Antenna provides an advantage over other antennas in terms of a smaller size, higher quality factor and better signal to noise ratio. It works on the principle of resonance with the inductor provided by loop and external tuning capacitor operating like a tank circuit. The tunable magnetic loop antenna is designed to work in the high frequency range. The antenna consists of a circular hollow copper pipe, an inductive loop feed and a variable tuning capacitor. The antenna is tuned using v
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Shastri, S. P. R., R. R. Singh, and K. V. Ajetrao. "Nonuniform C-Band Loop Antenna: A New Approach for Future UWB Applications." Engineering, Technology & Applied Science Research 8, no. 5 (2018): 3496–501. http://dx.doi.org/10.48084/etasr.2308.

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Antenna design becomes very difficult at very small wavelengths and a special lab is required to manufacture a small antenna which costs a lot. A new approach is proposed to enhance the bandwidth of the loop antenna which can be designed at very high frequency using conventional PCB design. The proposed antenna is a nonuniform loop and covers UWB frequency range. The nonuniform structure of the loop is designed using the concept of both thin and thick loop antenna together which leads to an improvement in the antenna bandwidth. The proposed nonuniform loop antenna covers a band of 91.4% which
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Wu, Minghe, Baohua Teng, Chutian Shen, et al. "Application of Stokes' Theorem to electrically small loop antenna radiation." International Journal of Electrical Engineering & Education 54, no. 3 (2016): 262–72. http://dx.doi.org/10.1177/0020720916681579.

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Stokes' Theorem is applied to derive the retarded vector potential of loop antennas for the radiation of electric field and magnetic field. Simulations of the ideal and the actual magnetic dipole antenna suggest a satisfactory agreement of the two antennas. The simulation results were further experimentally tested by the demonstration experiment, which indeed confirmed the simulation results. The direction of radiated electric field in the experimental setup is shown in a vivid way. The theoretical simplification and experimental design will significantly provide undergraduate students with an
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Zeng, Qinghao, Yuan Yao, Shaohua Liu, Junsheng Yu, Peng Xie, and Xiaodong Chen. "Tetraband Small-Size Printed Strip MIMO Antenna for Mobile Handset Application." International Journal of Antennas and Propagation 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/320582.

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A compact printed multiple-input multiple-output (MIMO) antenna for tetraband (GSM900/1800/1900/UMTS) mobile handset application is presented. The proposed MIMO antenna, which consists of two coupled-fed loop antennas with symmetrical configuration, was printed on a 120 * 60 * 0.8 mm3Fr-4 substrate of relative permittivity of 4.4, loss tangent 0.02. Each element antenna requires only a small area of 22.5 * 25 mm2on the circuit board. The edge-to-edge spacing between the two elements is only0.03λ0of 920 MHz. A slot and a dual-inverted-L-shaped ground branch were added in the ground plane to dec
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Tkachenko, Sergey, Jürgen Nitsch, and Moawia Al-Hamid. "High-Frequency Electromagnetic Field Coupling to Small Antennae in a Rectangular Resonator." International Journal of Antennas and Propagation 2012 (2012): 1–6. http://dx.doi.org/10.1155/2012/897074.

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The integral-differential equation for the current of an electrically small antenna, inside a resonator, which is induced by given sources, is approximately solved by the so-called “Method of Small Antenna,” both for dipole and loop antennas. The current induced in the antenna is evaluated using the scattering characteristics of small antennas in free space and regularized Green’s function of resonator. As example of application of the theory, a transfer function (“external field→induced voltage”) for the coupling through aperture is calculated.
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Sivaraks, Jesada, and Settapong Malisuwan. "Multiband Antenna Formed of Superimposed Compressed Loops." Applied Mechanics and Materials 548-549 (April 2014): 780–84. http://dx.doi.org/10.4028/www.scientific.net/amm.548-549.780.

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A compressed multiple band loop antenna that has multiple superimposed compressed loops. Each compressed loop is formed from numerous segments arrayed in multiple diverse directions so that the enclosed area of that loop and the overall size of the antenna are decreased. Multiple loops are arrayed and superimposed to provide multiple frequency bands of operation and are used to broaden the useful bandwidth of individual-bands. The small size of the compressed antenna facilitates its use in small mobile communications devices requiring internal antennas that operate in close proximity to conduc
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Živković, Zlatko, and Antonio Šarolić. "Measurements of Antenna Parameters in GTEM Cell." Journal of Communications Software and Systems 6, no. 4 (2010): 125. http://dx.doi.org/10.24138/jcomss.v6i4.185.

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The paper presents the method for measuring parameters (gain, antenna factor, impedance and radiation pattern) of small antennas in GTEM cell, which is a novel method and environment for antenna measurements. In order toinvestigate the suitability of GTEM cell for this kind ofmeasurement, the measurement results for a biconical dipole, microstrip patch antennas and small loop antenna were compared with those obtained by calibration inside fully absorber lined anechoic site, two-antenna measurements and FEKO simulations. The measurements were carried out over the wide frequency range. Measureme
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Chen, Wen-Shan, Chien-Min Cheng, Da-Huei Lee, Chun-Lin Ciou, Wei-Syun Sin, and Guang-Yuan Cai. "Small-Size Meandered Loop Antenna for WLAN Dongle Devices." International Journal of Antennas and Propagation 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/897654.

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This paper proposes a loop-type USB dongle antenna, which is fabricated on a 1.6 mm thick FR-4 substrate for WLAN band systems. The front side of substrate consists of a 50-ohm coaxial line and a multiarm monopole antenna, while the back side has a meandered loop antenna connected to the ground by two via holes. The meandered loop resonates half-wavelength mode at about 2.4 GHz and its higher modes. The higher modes excited by the multiarm monopole form the 5.2 GHz frequency band. The bandwidth of the antenna covers the IEEE802.11 a/b/g WLAN applications. The overall dimensions of the antenna
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Dissertations / Theses on the topic "Small loop antenna"

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Bolton, Timothy. "Optimal design of electrically-small loop antenna including surrounding medium effects." Thesis, Georgia Institute of Technology, 2016. http://hdl.handle.net/1853/54836.

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Electrically-small loop antennas are a complex topic, with many design concepts to consider, including: effective magnetic core permeability, antenna impedance, antenna radiation, surrounding medium effects, and optimization approaches. There is a plethora of literature available covering these subjects but many conflict, compete, or are overall lacking; this thesis seeks to compare and analyze literature then validate with measurements, allowing optimal design.
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Obeidat, Khaled Ahmad. "Design Methodology for Wideband Electrically Small Antennas (ESA) Based on the Theory of Characteristic Modes (CM)." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1274730653.

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Smith, Nathanael J. "Novel Closed-Loop Matching Network Topology for Reconfigurable Antenna Applications." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1387733249.

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Ibraheem, Ali Ahmed Younis. "Implanted Antennas and Intra-Body Propagation Channel for Wireless Body Area Network." Diss., Virginia Tech, 2014. http://hdl.handle.net/10919/50936.

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Implanted Devices are important components of the Wireless Body Area Network (WBAN) as a promising technology in biotelemetry, e-health care and hyperthermia applications. The design of WBAN faces many challenges, such as frequency band selection, channel modeling, antenna design, physical layer (PHY) protocol design, medium access control (MAC) protocol design and power source. This research focuses on the design of implanted antennas, channel modeling between implanted devices and Wireless Power Transfer (WPT) for implanted devices. An implanted antenna needs to be small while it maintains S
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Harper, Marc. "Efficiency of small loop antennas." Thesis, University of Surrey, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548346.

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The present dissertation deals with electrically small loop antennas, namely antennas which are small compared to the wavelength. The. single turn loop antenna is an effective `small' transmitting antenna. Small being defined as having a maximum physical dimension, which is less than the wavelength of operation. Electrically small antennas are those whose overall length is less than one-sixth of a wavelength. Most applications of loop antennas are in the HF (3-30 MHz) VHF (30-300 MHz) and UHF (300-3000 MHz) bands. The fundamental limitations, namely the antenna Q, of small antennas derived in
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El, Hatmi Fatiha. "Conception d'antennes de communication à travers le corps humain pour le suivi thérapeutique." Phd thesis, Université Paris-Est, 2013. http://tel.archives-ouvertes.fr/tel-00962121.

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Avec le développement rapide des technologies sans fil modernes et la miniaturisation des antennes et des systèmes électriques, l'emploi des antennes à l'intérieur du corps humain pour le suivi thérapeutique est devenu possible. Des batteries permettent d'alimenter ces antennes ; la réduction de la consommation de puissance implique l'augmentation de la durée de vie de circuits ingérables. Le corps humain, qui a une conductivité non nulle, n'est pas un milieu idéal pour la transmission des ondes RF à cause de l'atténuation liée aux propriétés diélectriques des tissus biologiques. Cependant, le
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Book chapters on the topic "Small loop antenna"

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Seetharaman, R., and Chaitanya Krishna Chevula. "Analysis of Small Loop Antenna Using Numerical EM Technique." In Lecture Notes in Electrical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0289-4_19.

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Ishii, Osamu, and Osamu Michikami. "Superconductive Small Loop Antennas Made of Ag-YBCO Ceramics." In Advances in Superconductivity VI. Springer Japan, 1994. http://dx.doi.org/10.1007/978-4-431-68266-0_266.

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Carr, Joseph J. "Small loop antennas." In Antenna Toolkit. Elsevier, 2001. http://dx.doi.org/10.1016/b978-075064947-6/50009-5.

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"The Small Loop." In Small Antenna Design. Elsevier, 2006. http://dx.doi.org/10.1016/b978-075067861-2/50014-3.

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Breva, Yannick, Johannes Kröger, Tobias Kersten, and Steffen Schön. "On the Impact of GNSS Receiver Settings on the Estimation of Codephase Center Corrections." In International Association of Geodesy Symposia. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/1345_2023_206.

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AbstractThe role of codephase center corrections (CPC), also known as group delay variations (GDV), becomes more important nowadays, e.g. in navigation applications or ambiguity resolution. CPC are antenna dependent delays of the received codephase. They are varying with the angle of arrival of the signal at the GNSS antenna, i.e. with azimuth and elevation. CPC can be determined with a robot in the field with a similar approach as used for phase center corrections (PCC) for carrierphase measurements. The big challenge in the estimation of reliable CPC pattern is to deal with relatively noisy
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Ren, Yi, Juan Tang, Jia Sun, Jianmei Zhou, and Hongsheng Zhang. "An operational amplifier based non-foster matching network for small loop antenna." In Automotive, Mechanical and Electrical Engineering. CRC Press, 2017. http://dx.doi.org/10.1201/9781315210445-23.

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Miron, Douglas B. "Loops and Other Closed-Wire Antennas." In Small Antenna Design. Elsevier, 2006. http://dx.doi.org/10.1016/b978-075067861-2/50009-x.

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Dayal, Mohit, Dhananjay Singh Panwar, Derick Phillips D'souza, et al. "5G Networks and Their Applications." In Applying Drone Technologies and Robotics for Agricultural Sustainability. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-6413-7.ch016.

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Developed by 3GPP, 5G is the technology standard for cellular broadband networks. Introduced in July of 2016 and commercialized almost 3 years later, it is seen as the successor to 4G networks. 5G uses device-to-device communication, dividing the service area into small geographical locations called cells. These cells are connected intensely through localized antennas. The connectivity of these antennas, despite being small, amounts to high-speed downloads ranging up to 10 Gbps. This chapter includes a brief introduction of 5G network; concise notes on the history of its predecessors such as 2
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Patra, Nirvik, Debodyuti Banerjee, Subhashri Chatterjee, T. Sengupta, Subhendu Chakraborty, and Aritra Acharyya. "Wireless power transmission—part II: Theoretical modeling of transmitting and receiving electrically-small loop antennas." In Foundations and Frontiers in Computer, Communication and Electrical Engineering. CRC Press, 2016. http://dx.doi.org/10.1201/b20012-4.

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"Wireless power transmission—part II: Theoretical modeling of transmitting and receiving electrically-small loop antennas." In Foundations and Frontiers in Computer, Communication and Electrical Engineering. CRC Press, 2016. http://dx.doi.org/10.1201/b20012-7.

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Conference papers on the topic "Small loop antenna"

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Ishii, Masanori, and Koji Komiyama. "Comparison between three Antenna Method and Measuring Impedance Method for the Antenna Factor of a Small Half Loop Antenna." In 16th International Zurich Symposium and Technical Exposition on Electromagnetic Compatibility. IEEE, 2005. https://doi.org/10.23919/emc.2005.10806087.

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Kanda, Motohisa. "An Optically Linked Three-Loop Antenna System for Determining the Near Field Characteristics from an Electrically Small Source." In 13th International Zurich Symposium and Technical Exhibition on Electromagnetic Compatibility. IEEE, 1999. https://doi.org/10.23919/emc.1999.10791544.

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Hiroyuki Arai and Shinichiro Nagatsuka. "Low-profile dual-mode plate-loop antenna." In 2009 IEEE International Workshop on Antenna Technology "Small Antennas and Novel Metamaterials" (iWAT). IEEE, 2009. http://dx.doi.org/10.1109/iwat.2009.4906974.

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Wong, Kin-Lu, and Chih-Hong Huang. "Penta-Band Printed Loop Antenna for Mobile Phone." In 2008 International Workshop on Antenna Technology "Small Antennas and Novel Metamaterials" (iWAT). IEEE, 2008. http://dx.doi.org/10.1109/iwat.2008.4511300.

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Kim, Jeongpyo, Giho Kim, Wonmo Seong, and Jaehoon Choi. "Tunable Internal Loop Antenna for DVB-H Service." In 2008 International Workshop on Antenna Technology "Small Antennas and Novel Metamaterials" (iWAT). IEEE, 2008. http://dx.doi.org/10.1109/iwat.2008.4511326.

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Kogo, Naoto, Susumu Nakazawa, Toru Iwasaki, Shoji Tanaka, Kazuyoshi Shogen, and Koichi Ito. "Folded Type Rectangular Loop Antenna in UHF Band." In 2008 International Workshop on Antenna Technology "Small Antennas and Novel Metamaterials" (iWAT). IEEE, 2008. http://dx.doi.org/10.1109/iwat.2008.4511372.

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Guo, Hongwei, Chuang Shi, Yuzhen Tang, Rongqiang Liu, and Zongquan Deng. "Design and Study for Dynamics Characteristics of Double-Layer Loop Deployable Antenna Mechanism." In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-59473.

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In order to design lightweight and high stiffness large-sized deployable antenna mechanism, a kind of slider crank basic deployable mechanism unit which is driven by elastic hinges and one sort of double-layer loop deployable antennas mechanism which is composed of the units are put forward. In this paper, the method of finite element dynamic models for double-layer loop deployable antenna mechanism and the control variable method are combined to conclude the interaction relationship between the fundamental frequency of double-layer loop deployable antenna with the mechanism geometric paramete
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Chen, Shih-Yuan, Raoul O. Ouedraogo, Andrew Temme, Alejandro R. Diaz, and Edward J. Rothwell. "MNG-metamaterial-based efficient small loop antenna." In 2009 IEEE Antennas and Propagation Society International Symposium (APSURSI). IEEE, 2009. http://dx.doi.org/10.1109/aps.2009.5172037.

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Chia-Hsien Lin, Jin-Wei. Wu, Tong-Chia Chiou, Chih-Hsing Chen, and Chien-Jen Wang. "A microstrip-fed circularly-polarized loop-like antenna." In 2009 IEEE International Workshop on Antenna Technology "Small Antennas and Novel Metamaterials" (iWAT). IEEE, 2009. http://dx.doi.org/10.1109/iwat.2009.4906879.

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Zheng, Ming, and Hanyang Wang. "Hexa-band quad-mode folded monopole/dipole/loop antenna." In 2012 IEEE International Workshop on Antenna Technology "Small Antennas and Unconventional Applications" (iWAT). IEEE, 2012. http://dx.doi.org/10.1109/iwat.2012.6178395.

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Reports on the topic "Small loop antenna"

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Nelson, Nathan, and Charles F. Yocum. Structure, Function and Utilization of Plant Photosynthetic Reaction Centers. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7699846.bard.

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Light capturing and energy conversion by PSI is one of the most fundamental processes in nature. In the heart of these adaptations stand PSI, PSII and their light harvesting antenna complexes. The main goal of this grant proposal was to obtain by X-ray crystallography information on the structure of plant photosystem I (PSI) and photosystem II (PSII) supercomplexes. We achieved several milestones along this line but as yet, like several strong laboratories around the world, we have no crystal structure of plant PSII. We have redesigned the purification and crystallization procedures and recent
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