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Journal articles on the topic 'Pure ALOHA'

Author: Grafiati

Published: 3 June 2025

Last updated: 1 August 2025

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1

Chen, Yan Ge, and Ya Wang. "Research of Underground Tag's Anti-Collision Algorithm." Advanced Materials Research 722 (July 2013): 463–66. http://dx.doi.org/10.4028/www.scientific.net/amr.722.463.

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Study of the conflict questions of multiple miners (electronic tag) in the same RF induction area of the underground personnel positioning system. Analyze the Pure Aloha algorithm, Time Slot Aloha algorithm, Dynamic Framed slotted Aloha algorithm based on Binary algorithm. And put forward a kind of mixed anti-collision algorithm through improved.

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2

Shikha, Badgotya*1 &. Prof.Deepti Rai2. "A SURVEY ON ALOHA PROTOCOL FOR IOT BASED APPLICATIONS." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 7, no. 5 (2018): 289–97. https://doi.org/10.5281/zenodo.1246995.

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With the emergence of IoT based applications in industries and automation, protocols for effective data transfer was the foremost need. The natural choice was a random access protocol like ALOHA which could be incorporated in the ultra narrowband ISM band framework because of its simplicity and lack of overhead. Pure ALOHA faced the limitation of greater rate of collisions among the packets of data and also there was higher level of frame delays. Slotted ALOHA overcame these limitations to some extent in which the transfer of data takes place after channel polling. Though the drawbacks of PURE

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3

PARK, J. K. "Energy-Aware Pure ALOHA for Wireless Sensor Networks." IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E89-A, no. 6 (2006): 1638–46. http://dx.doi.org/10.1093/ietfec/e89-a.6.1638.

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4

Khan, Malak Abid Ali, Hongbin Ma, Syed Muhammad Aamir, and Ying Jin. "Optimizing the Performance of Pure ALOHA for LoRa-Based ESL." Sensors 21, no. 15 (2021): 5060. http://dx.doi.org/10.3390/s21155060.

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(1) Background: The scientific development in the field of industrialization demands the automization of electronic shelf labels (ESLs). COVID-19 has limited the manpower responsible for the frequent updating of the ESL system. The current ESL uses QR (quick response) codes, NFC (near-field communication), and RFID (radio-frequency identification). These technologies have a short range or need more manpower. LoRa is one of the prominent contenders in this category as it provides long-range connectivity with less energy harvesting and location tracking. It uses many gateways (GWs) to transmit t

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5

Seo, Jun-Bae, and Hu Jin. "Optimally Controlled Pure ALOHA Systems for Wireless Sensor Networks." IEEE Communications Letters 21, no. 11 (2017): 2460–63. http://dx.doi.org/10.1109/lcomm.2017.2731314.

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6

Kim, Yi-Kang, and Seung-Yeon Kim. "Success Probability Characterization of Long-Range in Low-Power Wide Area Networks." Sensors 20, no. 23 (2020): 6861. http://dx.doi.org/10.3390/s20236861.

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In low-power wide area networks (LPWAN), a considerable number of end devices (EDs) communicate with the gateway in a certain area, whereas for transmitted data, a low data rate and high latency are allowed. Long-range (LoRa), as one of the LPWAN technologies, considers pure ALOHA and chirp spread spectrum (CSS) in the media access control (MAC) and physical (PHY) layers such that it can improve the energy efficiency while mitigating inter-cell interference (ICI). This paper investigates the system throughput of LoRa networks under the assumption that the interferences between EDs for exclusiv

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Polonelli, Tommaso, Davide Brunelli, Achille Marzocchi, and Luca Benini. "Slotted ALOHA on LoRaWAN-Design, Analysis, and Deployment." Sensors 19, no. 4 (2019): 838. http://dx.doi.org/10.3390/s19040838.

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LoRaWAN is one of the most promising standards for long-range sensing applications. However, the high number of end devices expected in at-scale deployment, combined with the absence of an effective synchronization scheme, challenge the scalability of this standard. In this paper, we present an approach to increase network throughput through a Slotted-ALOHA overlay on LoRaWAN networks. To increase the single channel capacity, we propose to regulate the communication of LoRaWAN networks using a Slotted-ALOHA variant on the top of the Pure-ALOHA approach used by the standard; thus, no modificati

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8

Arun, I. B., and T. G. Venkatesh. "Order Statistics Based Analysis of Pure ALOHA in Channels with Multipacket Reception." IEEE Communications Letters 17, no. 10 (2013): 2012–15. http://dx.doi.org/10.1109/lcomm.2013.082713.131478.

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9

Leonardi, Luca, Lucia Lo Bello, Gaetano Patti, Alessio Pirri, and Mattia Pirri. "Combined Use of LoRaWAN Medium Access Control Protocols for IoT Applications." Applied Sciences 13, no. 4 (2023): 2341. http://dx.doi.org/10.3390/app13042341.

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The low power wide area networks (LPWANs) based on the LoRaWAN standard are suitable for Internet of Things (IoT) applications that involve a large number of low-power devices distributed over large areas. The LoRaWAN standard imposes some limitations on end-device configuration, such as the medium access strategies to be adopted, which depend on the region in which the network operates. In particular, in Europe, according to the ETSI regulations, a LoRaWAN end-device can use either a pure ALOHA medium access control (MAC) protocol or a polite medium access technique based on Listen Before Tal

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10

Baiocchi, Andrea, and Fabio Ricciato. "Analysis of Pure and Slotted ALOHA With Multi-Packet Reception and Variable Packet Size." IEEE Communications Letters 22, no. 7 (2018): 1482–85. http://dx.doi.org/10.1109/lcomm.2018.2834360.

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11

Klair, Dheeraj, Kwan-Wu Chin, and Raad Raad. "On the energy consumption of Pure and Slotted Aloha based RFID anti-collision protocols." Computer Communications 32, no. 5 (2009): 961–73. http://dx.doi.org/10.1016/j.comcom.2008.12.019.

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12

Blind, Rainer, and Frank Allgöwer. "Analysis of Networked Event-Based Control with a Shared Communication Medium: Part I – Pure ALOHA." IFAC Proceedings Volumes 44, no. 1 (2011): 10092–97. http://dx.doi.org/10.3182/20110828-6-it-1002.01100.

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13

Mutsuura, Kouichi, Hiromi Okada, Yoshikazu Tezuka, and Kazuhiro Ohtuki. "A new access scheme for pure aloha using capture effect by time-varying power control." Electronics and Communications in Japan (Part I: Communications) 73, no. 8 (1990): 37–48. http://dx.doi.org/10.1002/ecja.4410730804.

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14

Wang, Hai, and Abraham O. Fapojuwo. "Design and Performance Evaluation of Successive Interference Cancellation-Based Pure Aloha for Internet-of-Things Networks." IEEE Internet of Things Journal 6, no. 4 (2019): 6578–92. http://dx.doi.org/10.1109/jiot.2019.2908598.

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15

Mota, Rafael Perazzo Barbosa, and Daniel Macedo Batista. "An RFID Best Effort Mechanism for in Motion Tracking Applications." International Journal of Wireless Networks and Broadband Technologies 7, no. 1 (2018): 39–52. http://dx.doi.org/10.4018/ijwnbt.2018010104.

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In this article, the authors propose an algorithm that reduces useless responses for RFID systems in a motion environment, for tracking applications. The mechanism achieves its goals by reducing the number of packets exchanged between readers and tags. They analyze the behavior of their proposal by considering the average number of identification rounds. With extensive simulations using an RFID module for the ns-2 simulator, the authors show the benefit of the proposed mechanism. When compared to the Pure Q Algorithm and Binary Tree Slotted Aloha, their mechanism reduces the number of packets

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16

Ning, Xuan Jie, Hai Zhao, Mao Fan Yang, and Dan Wu. "A Power Optimization Algorithm for Ad Hoc Networks with Variable Rate Control." Applied Mechanics and Materials 470 (December 2013): 611–16. http://dx.doi.org/10.4028/www.scientific.net/amm.470.611.

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This paper is concerned with the capacity of ad hoc networks employing pure ALOHA medium access control (MAC) protocol under the effect of different transmission power levels and variable data rate control. The data rate of a certain link is related to the signal to interference plus noise ratio (SINR), and SINR is, in turn, related to the transmitted power and link distance. The increasing power conducts a high data rate, resulting in the high interference of networks. Consequently, the optimum power that yields maximum network throughput is a tradeoff between transmission rate and network in

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17

Nur Syazni Mohd Suyut, Mohd Fadhil Majnis, and Soraya Tamara Abdul Malik. "Flammable gas dispersion modelling on an offshore platform." Progress in Energy and Environment 28, no. 1 (2024): 28–42. http://dx.doi.org/10.37934/progee.28.1.2842.

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Flammable gas dispersed from the vent on an offshore platform can react in an explosive manner by the existence of air or pure oxygen at a certain concentration within its flammability limits. Due to unwanted accidents that might occur, resulting in loss of life and asset damage thus, flammable gas dispersion modelling was conducted to identify any recommendation or mitigation if required. Due to no risk assessment on the offshore platform to perceive the dispersion model based on various perspectives, multiple software was used in assessing recommendations and mitigation. Therefore, the flamm

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18

Tseng, Shu-Ming, Chun-Kuei Chang, Maw-Yang Liu, and Yung-Chung Wang. "Throughput analysis of 2-D OCDMA/pure ALOHA networks with access control and two user classes of variable length for multimedia traffic." Optik 241 (September 2021): 166928. http://dx.doi.org/10.1016/j.ijleo.2021.166928.

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19

Leonardi, Luca, Lucia Lo Bello, Filippo Battaglia, and Gaetano Patti. "Comparative Assessment of the LoRaWAN Medium Access Control Protocols for IoT: Does Listen before Talk Perform Better than ALOHA?" Electronics 9, no. 4 (2020): 553. http://dx.doi.org/10.3390/electronics9040553.

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Low-Power Wide-Area Networks (LPWANs) are emerging as appealing solutions for several Internet of Things (IoT) applications, such as healthcare, smart cities and Industry 4.0, thanks to their ease of deployment, low energy consumption and large coverage range. LoRaWAN is one of the most successful LPWAN standards, as it supports robust long-distance communications using low-cost devices. To comply with the ETSI regulations, LoRaWAN can adopt as medium access control (MAC) layer either a pure ALOHA approach with duty-cycle limitations or a polite spectrum access technique, such as Listen Before

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20

Wortel, Elise. "From history to haecceity." Alphaville: Journal of Film and Screen Media, no. 2 (February 14, 2012): 60–75. http://dx.doi.org/10.33178/alpha.2.05.

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This article investigates the transformation of history into haecceities that allow us to grasp history through a nonlinear, cinematic sensation of pure past. Here, cinema merges classical knowledge of historical facts with the lived reality of the unrecorded past. Experiments with spatial reframings of the past in The Lady and the Duke, The King's Daughters, The White Ribbon and Coco Before Chanel are discussed to create nonlinear sensations of duration that link with Deleuze and Guattari's notions of affect and haecceity, which transform history into cinematic sets of speed, movement, and te

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21

Yokote, H., Y. Saitou, T. Kanda, and H. Mizusawa. "Pure pandysautonomia associated with interferon-alpha therapy." Journal of Neurology 254, no. 7 (2007): 961–62. http://dx.doi.org/10.1007/s00415-006-0370-1.

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22

MOTOI, Tetsuya, Kiyoshi FUKUOKA, and Hideo YOSHIDA. "Nodularization of .ALPHA.-AlFeSi compounds in pure aluminum." Journal of Japan Institute of Light Metals 48, no. 12 (1998): 624–28. http://dx.doi.org/10.2464/jilm.48.624.

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23

Nogi, Kiyoshi, Koji Ikeda, Shuzo Shimada, and Kazumi Ogino. "Wettability of α-SiC by Liquid Pure Metals." Journal of the Japan Institute of Metals 52, no. 7 (1988): 663–69. http://dx.doi.org/10.2320/jinstmet1952.52.7_663.

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24

Itoh, Kuniaki, Pakming Wong, Takayoshi Asai, Sho Yoshida, and Toshio Fukuda. "Pure red cell aplasia induced by alpha-methyldopa." American Journal of Medicine 84, no. 6 (1988): 1088–89. http://dx.doi.org/10.1016/0002-9343(88)90321-x.

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25

Suganuma, Katsuaki, Eduardo Saiz, and Antoni P. Tomsia. "Microstructure and Strength of Interface between Pure Aluminum and α-Alumina." Journal of the Japan Institute of Metals 62, no. 1 (1998): 92–97. http://dx.doi.org/10.2320/jinstmet1952.62.1_92.

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26

Fan, Jingwen. "Alpha Strategy for Stripping Beta Returns for Pure Bond Funds." Highlights in Business, Economics and Management 10 (May 9, 2023): 436–42. http://dx.doi.org/10.54097/hbem.v10i.8136.

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Contemporarily alpha strategy is favorable by investors and funders for its stable performances among volatility market. Although alpha strategy shows great extra returns, it might have great drawdown on account of the stochastic fluctuations of the market (e.g., hedge funds’ poor performance during COVID-19 early state including Bridge Water). Despite from stocks and futures, the bond funds are rather a low volatility type underlying assets, hence the alpha strategy based on pure bond will be more favorable for risk aversion investors. By building a five-factor model, this paper dissolves the

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27

Arnold, Lee D., Robert G. May, and John Christopher Vederas. "Synthesis of optically pure .alpha.-amino acids via salts of .alpha.-amino-.beta.-propiolactone." Journal of the American Chemical Society 110, no. 7 (1988): 2237–41. http://dx.doi.org/10.1021/ja00215a038.

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28

Pallavi, Choudaha, Likhar KS, Gupta SG, Patle Y, and Hazari RA. "Extragonadal Retroperitoneal Pure Yolk Sac Tumour." PJSR 7, no. 2 (2014): 47–50. https://doi.org/10.5281/zenodo.8252099.

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We report an extremely rare case of extragonadal retroperitoneal yolk sac tumour in an 8 month old male baby presented with gradual abdominal distension and failure to thrive since 5 months. Ultrasound revealed a well defined isoechoic mass in left side, compressing lower pole of left kidney causing mild hydronephrosis. Surgical intervention revealed a tumor mass extending from left hypochondrium to left iliac fossa & pelvic cavity. Histopathological examination showed extragonadal yolk sac tumour. Immunohistochemical stain for alpha-fetoprotein and cytokeratin AE1/3 were positive in the t

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29

T., K. Parya, Banerjee S., and B. Saha M. "Densification of pure alpha alumina ceramics with chromia as dopant." Journal of Indian Chemical Society Vol. 89, Apr 2012 (2012): 533–41. https://doi.org/10.5281/zenodo.5761020.

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ceramic Engineering Division, Department of Chemical Technology, University of Calcutta, 92, Acharya Prafulla Chandra Road, Kolkata-700 009, India <em>E-mail </em>: mail me. tapan@gmail.com Fax : 91-33-23519755 Department of Chemistry, Jadavpur University, Kolkata-700 032, India <em>Manuscript received 19 May 2011, revised 25 July 2011, accepted 17 August 2011</em> Sintering behavior of pure α-Al<sub>2</sub>O<sub>3</sub> powder based alumina compacts in presence of<em> in situ</em> formed microfine Cr<sub>2</sub>0<sub>3</sub> precursor as sintering aid has been investigated. The effect o

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30

Caicedo-Llano, Juliana, and Thomas Dionysopoulos. "Market integration: A risk-budgeting guide for pure alpha investors." Journal of Multinational Financial Management 18, no. 4 (2008): 313–27. http://dx.doi.org/10.1016/j.mulfin.2008.01.002.

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31

Ghosh, Partha S., A. Arya, R. Tewari, and G. K. Dey. "Alpha to omega martensitic phase transformation pathways in pure Zr." Journal of Alloys and Compounds 586 (February 2014): 693–98. http://dx.doi.org/10.1016/j.jallcom.2013.10.045.

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32

Zhang, Kaiqiang, Na Jia, and Lirong Liu. "Nanoscale-extended alpha functions for pure and mixing confined fluids." Fluid Phase Equilibria 482 (March 2019): 64–80. http://dx.doi.org/10.1016/j.fluid.2018.10.018.

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33

Brendel, O., P. P. M. Iannetta, and D. Stewart. "A rapid and simple method to isolate pure alpha-cellulose." Phytochemical Analysis 11, no. 1 (2000): 7–10. http://dx.doi.org/10.1002/(sici)1099-1565(200001/02)11:1<7::aid-pca488>3.0.co;2-u.

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34

Gopi, Ranitha, Raviraja Acharya, Sushma Belurkar, and Shamee Shastry. "Reversible pregnancy related pure cell aplasia coexisting with alpha thalassaemia." Clinical Medicine 24 (April 2024): 100082. http://dx.doi.org/10.1016/j.clinme.2024.100082.

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35

Arnone, Alberto, Pierfrancesco Bravo, Massimo Frigerio, Fiorenza Viani, Giancarlo Cavicchio, and Marcello Crucianelli. "Synthesis of Enantiomerically Pure gem-Difluorocyclohexane Derivatives by Intramolecular Trapping of .alpha.,.alpha.-Difluoroalkyl Radicals." Journal of Organic Chemistry 59, no. 12 (1994): 3459–66. http://dx.doi.org/10.1021/jo00091a041.

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36

Zhang, Run Qi, Yi Qin Cai, Hao Xu Wang, Zhuang Li, and Qi Zhou. "Effects of Rolling Reduction on Cold Forming Properties of Commercially Pure Titanium Sheet." Materials Science Forum 960 (June 2019): 9–13. http://dx.doi.org/10.4028/www.scientific.net/msf.960.9.

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Different cold rolling reductions were adopted for commercially pure titanium sheet. Cold forming properties were investigated by a microstructural analysis, Vickers microhardness and erichsen value measurements. The results have shown that Cold rolling resulted in refined alpha grains. Alpha grain size was refined further by greater cold reduction. Alpha grain sizes of the specimens of processing 1, 2 and 3 reached 30.90 μm, 26.48 μm and 20.58 μm, respectively. Cold forming properties were affected by different alpha grain sizes. The hardness and erichsen value reached the lowest and the high

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37

Kayser, Margaret M., Yan Yang, Marko D. Mihovilovic, Anton Feicht, and Fernande D. Rochon. "Bakers yeast-catalyzed synthesis of optically pure 4-tert-butyl-3-hydroxy beta-lactam cis-(3R,4S) and trans-(3R,4R) diastereomers." Canadian Journal of Chemistry 80, no. 7 (2002): 796–800. http://dx.doi.org/10.1139/v02-108.

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Baker's yeast (Saccharomyces cerevisiae) reductions were applied to the synthesis of the paclitaxel C-13 side-chain analogue. An easily synthesized alpha-keto-beta-lactam (1-(4-methoxyphenyl)-4-tert-butylazetidin-2,3-dione, 4) was reduced by yeast cells to give a mixture of enantiomerically pure cis and trans isomers. Both compounds were isolated and characterized, and their absolute configurations were confirmed by X-ray crystallographic analysis.Key words: Taxol®, C-13 side-chain, paclitaxel analogues, optically pure alpha-hydroxy-beta-lactams, baker's yeast-catalyzed reductions.

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38

Lebreton, J. P., M. Daveau, M. Hiron та ін. "Long-term biosynthesis of complement component C3 and α-1 acid glycoprotein by adult rat hepatocytes in a co-culture system with an epithelial liver cell-type". Biochemical Journal 235, № 2 (1986): 421–27. http://dx.doi.org/10.1042/bj2350421.

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We used a system of co-culture of adult rat hepatocytes with another epithelial cell type from rat liver to study the synthesis of two acute-phase reactants, alpha-1 acid glycoprotein (alpha 1AGP) and the third component of complement (C3), and we have obtained long-term secretion of these two proteins. After a period of adaptation corresponding to the first 2-4 days of the co-culture, hepatocytes secreted C3 and alpha 1AGP for at least 2 weeks at a mean level higher than that observed in the first days of a pure culture of hepatocytes. When pulse-chase analysis was performed on day 6 of co-cu

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39

Kaufmann, H., K. Hague, and D. Perl. "Accumulation of alpha-synuclein in autonomic nerves in pure autonomic failure." Neurology 56, no. 7 (2001): 980–81. http://dx.doi.org/10.1212/wnl.56.7.980.

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40

Lance, D., F. Valdivieso, and P. Goeuriot. "Correlation between densification rate and microstructural evolution for pure alpha alumina." Journal of the European Ceramic Society 24, no. 9 (2004): 2749–61. http://dx.doi.org/10.1016/j.jeurceramsoc.2003.09.010.

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41

Calvete, J. J., та J. González-Rodríguez. "Isolation and biochemical characterization of the α- and β-subunits of glycoprotein IIb of human platelet plasma membrane". Biochemical Journal 240, № 1 (1986): 155–61. http://dx.doi.org/10.1042/bj2400155.

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The alpha- and beta-subunits of glycoprotein IIb (GPIIb) of human platelet plasma membrane were isolated in fully reduced, partially reduced and alkylated, and fully alkylated forms, by size-exclusion chromatography after reduction of pure GPIIb. The sugar moiety of GPIIb alpha accounts for 16.4% of its total weight, whereas that of GPIIb beta accounts for only 10.2%. The molar percentages (per 100 mol of total amino acids) of neuraminic acid and galactose in the alpha-subunit more than double those in the beta-subunit, whereas galactosamine is present only in GPIIb alpha. From the amino acid

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42

Jeje, Samson Olaitan, Tawanda Marazani, Japheth Oirere Obiko та Mxolisi Brendon Shongwe. "A review on enhancing near-α Ti alloys: Exploring sintering additives in conjunction with CP-Ti". MATEC Web of Conferences 406 (2024): 03014. https://doi.org/10.1051/matecconf/202440603014.

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This review explores sintering additives' vital role in near-alpha titanium alloy production from commercially pure titanium, meeting demand for lightweight, high-strength materials. It emphasizes understanding the nuanced relationship between additives to optimize microstructures and enhance alloy performance. Beginning with the significance of near-alpha titanium alloys, it discusses the properties of commercially pure titanium and its limitations in high-performance applications. The review details the sintering process's crucial role, including its impact on resulting properties. Additiona

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43

Schoemaker, Hans E., Wilhelmus H. J. Boesten, Bernard Kaptein, et al. "Enzymatic Catalysis in Organic Synthesis. Synthesis of Enantiomerically Pure Calpha-Substituted alpha-Amino and alpha-Hydroxy Acids." Acta Chemica Scandinavica 50 (1996): 225–33. http://dx.doi.org/10.3891/acta.chem.scand.50-0225.

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44

Bhattacharjee, Shakya, and RanaAlnasser Alsukhni. "Pure autonomic failure-A localized alpha synucleinopathy with a potential for conversion to more extensive alpha synucleinopathies." Annals of Indian Academy of Neurology 25, no. 3 (2022): 340. http://dx.doi.org/10.4103/aian.aian_1078_21.

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45

Li, Jin Yu, Zhuang Li, Wei Lv, Shao Pu Kang, and Huan Huan Yu. "Microstructural Evolution after Cold Forming and Recrystallization Annealing in Commercially Pure Titanium Sheet." Materials Science Forum 896 (March 2017): 193–97. http://dx.doi.org/10.4028/www.scientific.net/msf.896.193.

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Different cold rolling and recrystallization annealing of commercially pure titanium (CP-Ti) sheet was conducted. Microstructural evolution in commercially pure titanium sheet after cold forming and recrystallization annealing were investigated. Cold forming properties using a microstructural analysis, Vickers microhardness and erichsen value measurements were performed. Alpha grain sizes of processing 1 and 2 are 38.67μm and 40.12μm, respectively. Erichsen values of the specimens of processing 2 reaches the high value. This is attributed to recrystallization annealing. Equiaxed alpha grains a

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46

Aliaa H. Ali, Adwan N. Hameed, and Sabah J. Fathi. "Study the effect of alpha irradiation on the optical properties of pure and doped tin dioxide thin films prepared by spin coating." Tikrit Journal of Pure Science 21, no. 4 (2023): 131–36. http://dx.doi.org/10.25130/tjps.v21i4.1065.

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Chemical spin coating is used to prepare pure and indium doped thin films of tin dioxide. All pure and doped thin films have been annealed at a temperature of 500oC. The effects of indium doping and alpha irradiation on the optical properties were studied by recording spectra of transmittance and absorbance at wavelengths (250 - 1250) nm. We found that the transmittance decreases with increasing doping concentrations, while the absorbance increases with increasing doping concentrations, whereas the allowed direct optical band gap decreases with an increase of doping. The results of this study

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47

Ida Zuhroidah, Mokh. Sujarwadi, and Mukhammad Toha. "Alpha and theta wave activation through pure crystal vibration on reducing anxiety in post-stroke patients with sleep disorders." Nursing and Health Sciences Journal (NHSJ) 5, no. 2 (2025): 257–63. https://doi.org/10.53713/nhsj.v5i2.505.

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Post-stroke patients often experience anxiety and sleep disorders that can hinder the recovery process. Improvement in sleep quality increases with decreasing anxiety; activation of alpha and theta waves can reduce anxiety. This study evaluates the effectiveness of pure crystal vibration waves in activating alpha and theta waves in decreasing anxiety, which has implications for improving sleep quality in post-stroke patients. This study used a quasi-experimental design with a pretest-posttest control group design. The sample consisted of 30 post-stroke patients divided into two groups. Pure cr

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48

Satarov, L. M., I. N. Mishustin, A. Motornenko, V. Vovchenko, M. I. Gorenstein, and H. Stoecker. "Phase Transitions and Bose–Einstein Condensation in Alpha-Nucleon Matter." Ukrainian Journal of Physics 64, no. 8 (2019): 745. http://dx.doi.org/10.15407/ujpe64.8.745.

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The equation of state and the phase diagram of an isospin-symmetric chemically equilibrated mixture of a particles and nucleons (N) are studied in the mean-field approximation. We use a Skyrme-like parametrization of mean-field potentials as functions of the partial densities of particles. The parameters of these potentials are chosen by fitting the known properties of pure N- and pure a-matters at zero temperature. The sensitivity of results to the choice of the aN attraction strength is investigated. The phase diagram of the a − N mixture is studied with a special attention paid to the liqui

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Tzagkarakis, George, Juliana Caicedo-Llano, and Thomas Dionysopoulos. "Exploiting Market Integration for Pure Alpha Investments via Probabilistic Principal Factors Analysis." Journal of Mathematical Finance 03, no. 01 (2013): 192–200. http://dx.doi.org/10.4236/jmf.2013.31a018.

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Legros, Corinne, Bernard Lesage, Martin Kilo, G. Strehl, Günter Borchardt, and Claude Carry. "Pure and Fine Yttria-Doped Alpha-Alumina: Sample Elaboration and Diffusion Studies." Key Engineering Materials 206-213 (December 2001): 401–4. http://dx.doi.org/10.4028/www.scientific.net/kem.206-213.401.

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