Log in

Relevant bibliographies by topics / RZ coding / Journal articles

To see the other types of publications on this topic, follow the link: RZ coding.

Journal articles on the topic 'RZ coding'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 39 journal articles for your research on the topic 'RZ coding.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Aldha Rasjman Sayoga, I. Putu, Pande Ketut Sudiarta, and Nyoman Putra Sastra. "PENGEMBANGAN MODUL PRAKTIKUM UNTUK PERBANDINGAN UNJUK KERJA LINE CODING RZ DAN NRZ PADA JARINGAN FIBER OPTIK." Jurnal SPEKTRUM 8, no. 1 (2021): 148. http://dx.doi.org/10.24843/spektrum.2021.v08.i01.p17.

Full text

Abstract:

The important thing to consider in the process of sending optical fiber network signals is theselection of line coding types. Line coding is a process of converting digital data into digital signals sothat they can be transmitted in optical fiber networks. Line codings commonly used are NRZ and RZ.Therefore, this research discussed the comparison of the performance of NRZ and RZ line codings infiber-optic networks in terms of Q-Factor, BER, and Eye Diagram. The result of this research was thecharacteristic form of the electric signal line coding NRZ with one data element using one signalelemen

APA, Harvard, Vancouver, ISO, and other styles

2

Zong, Wenhao, Qianwen Jing, Minfang Liu, Yan Gao, and Yanqing Hong. "Manchester Return-to-Zero On–Off Keying Modulation for Free-Space Optical Communication." Photonics 11, no. 6 (2024): 496. http://dx.doi.org/10.3390/photonics11060496.

Full text

Abstract:

This paper proposes a Manchester return-to-zero on–off keying (M-RZ-OOK) modulation for free-space optical (FSO) communication. M-RZ-OOK modulation is achieved by introducing Manchester coding into the RZ-OOK format. M-RZ-OOK has the features of phase-flipped impulse series in the spectrum. Therefore, normal and inversed channel state information (CSI) can be extracted by applying a local oscillator (LO) with the frequencies of impulses, respectively. These extracted CSIs can be applied to realize adaptive threshold decision (ATD) and adaptive power transmission (APT) in the forward and backwa

APA, Harvard, Vancouver, ISO, and other styles

3

Ammar, Syed Mohammad, Muhammad Amirul Anuar, Norshamsuri Ali, et al. "Performance Analysis of Various Detection Techniques in SAC-OCDMA with NRZ and RZ Line Coding." Journal of Advanced Research in Applied Sciences and Engineering Technology 64, no. 2 (2025): 10–18. https://doi.org/10.37934/araset.64.2.1018.

Full text

Abstract:

Flexible Double Weight (FDW) Optical Code Division Multiple Access (OCDMA) Code is a newly developed code within DW family. Data format in communication system consist of two types which is Non-Return Zero (NRZ) and Return Zero (RZ) line code. Simulation analysis was carried out by using simulation tools Optisystem 15 to determine the performance of FDW system with different data formats. The analysis used different detection technique such as Single-Photodiode Detection (SPD) and Spectral Direct Detection (SDD). Based on the observation, NRZ has better performance than RZ as NRZ data transmis

APA, Harvard, Vancouver, ISO, and other styles

4

Pauer, M., P. J. Winter, and W. R. Leeb. "Bit error probability reduction in direct detection optical receivers using RZ coding." Journal of Lightwave Technology 19, no. 9 (2001): 1255–62. http://dx.doi.org/10.1109/50.948272.

Full text

APA, Harvard, Vancouver, ISO, and other styles

5

Hadj Ali, Bakir. "Performance Comparison Between Direct and External Modulation Using RZ and NRZ Coding." ELEKTRIKA- Journal of Electrical Engineering 19, no. 1 (2020): 1–8. http://dx.doi.org/10.11113/elektrika.v19n1.144.

Full text

Abstract:

Such as in any optical communication system, the light modulation is considered a main key to determine the performance (or the maximum) of the data rate that can be transmitted and over what the long distance can be applied. So, a choice of the modulation type in any optical link is more important and should base on measuring of the BER and the Q factor parameters. In that issue, we propose a comparative study as contribution between the principle or the schemes of the direct modulation (DM) and the external modulation (EM) respectively, which the chirp frequency modeling is described for the

APA, Harvard, Vancouver, ISO, and other styles

6

El-Hageen, Hazem M., Aadel M. Alatwi, and Ahmed Nabih Zaki Rashed. "RZ Line Coding Scheme With Direct Laser Modulation for Upgrading Optical Transmission Systems." Open Engineering 10, no. 1 (2020): 546–51. http://dx.doi.org/10.1515/eng-2020-0066.

Full text

Abstract:

AbstractThis study reports the efficient use of a direct laser modulated response measured with the return-to-zero coding scheme in optical transmission systems. The measured direct laser modulated response has a bit rate of 1.2 Gbps for an optical fiber cable of a transmission length of 10 km. The eye diagram analyzer is used to calculate the maximum quality factor and minimum bit error rate of the proposed model. The maximum quality factor is 531.2, and the minimum bit error rate tends to zero for the same optical fiber channel length compared with that of the previous model. The proposed mo

APA, Harvard, Vancouver, ISO, and other styles

7

Dong-Nhat, Nguyen, Mohamed A. Elsherif, Hoa Le Minh, and Amin Malekmohammadi. "NRZ versus RZ over Absolute Added Correlative coding in optical metro-access networks." Optics Communications 387 (March 2017): 30–36. http://dx.doi.org/10.1016/j.optcom.2016.11.017.

Full text

APA, Harvard, Vancouver, ISO, and other styles

8

Hazem, M. El-Hageen, M. Alatwi Aadel, and Nabih Zaki Rashed Ahmed. "Advanced modulation coding schemes for an optical transceiver systems–based OWC communication channel model." Bulletin of Electrical Engineering and Informatics 10, no. 2 (2021): 767~775. https://doi.org/10.11591/eei.v10i2.2433.

Full text

Abstract:

This paper examines advanced modulation coding schemes for an optical transceiver systems–based optical wireless communication (OWC) channel model. These modulation techniquesinclude On-Off keying and return to zero (RZ)/non–return to zero (NRZ) coding. The signal power level against time and frequency spectral variations are measured. The max. Q factor and min. bit error rate (BER) are estimated and clarified for each modulation code scheme by using an optisystem simulation model. Transmission bit rates of up to 40 Gb/s can be achieved for possible distances up to 500 km with acce

APA, Harvard, Vancouver, ISO, and other styles

9

Eid, Mahmoud M. A., and Ahmed Nabih Zaki Rashed. "Hybrid NRZ/RZ line coding scheme based hybrid FSO/FO dual channel communication systems." Indonesian Journal of Electrical Engineering and Computer Science 22, no. 2 (2021): 866. http://dx.doi.org/10.11591/ijeecs.v22.i2.pp866-873.

Full text

Abstract:

<p><span id="docs-internal-guid-52ae510c-7fff-0f9d-c23b-ec77d8fd1141" style="font-size: 9pt; font-family: 'Times New Roman'; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">This </span><span id="docs-internal-guid-22aadf85-7fff-c447-0533-2748148ff46b" style="font-size: 9pt; font-family: 'Times New Roman'; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-a

APA, Harvard, Vancouver, ISO, and other styles

10

Eid, Mahmoud M. A., and Ahmed Nabih Zaki Rashed. "Hybrid NRZ/RZ line coding scheme based hybrid FSO/FO dual channel communication systems." Indonesian Journal of Electrical Engineering and Computer Science 22, no. 2 (2021): 866–73. https://doi.org/10.11591/ijeecs.v22.i2.pp866-873.

Full text

Abstract:

This study simulates the hybrid non return to zero (NRZ)/return to zero (RZ) line coding scheme based hybrid free space optics (FSO)/fiber optics (FO) dual channel communication systems. The max Q factor/Min BER are simulated after APD based both erbium doped fiber amplifiers (EDFAs) and wide band traveling wave semiconductor optical amplifiers (WBTWSOAs) with 50 km fiber channel and 4 km FSO channel. Max SPAL/min noise SPAL, max signal power amplitude/min noise signal power with spectral frequency, and the total electrical power are demonstrated and clarified in this proposed study. This work

APA, Harvard, Vancouver, ISO, and other styles

11

El-Hageen, Hazem M., Aadel M. Alatwi, and Ahmed Nabih Zaki Rashed. "Advanced modulation coding schemes for an optical transceiver systems–based OWC communication channel model." Bulletin of Electrical Engineering and Informatics 10, no. 2 (2021): 767–75. http://dx.doi.org/10.11591/eei.v10i2.2433.

Full text

Abstract:

This paper examines advanced modulation coding schemes for an optical transceiver systems–based optical wireless communication (OWC) channel model. These modulation techniquesinclude On-Off keying and return to zero (RZ)/non–return to zero (NRZ) coding. The signal power level against time and frequency spectral variations are measured. The max. Q factor and min. bit error rate (BER) are estimated and clarified for each modulation code scheme by using an optisystem simulation model. Transmission bit rates of up to 40 Gb/s can be achieved for possible distances up to 500 km with acceptable Q fac

APA, Harvard, Vancouver, ISO, and other styles

12

Zhao, Shuang Le. "Study of the Bidirectional PON Performance Based on the Optisystem." Applied Mechanics and Materials 385-386 (August 2013): 1541–45. http://dx.doi.org/10.4028/www.scientific.net/amm.385-386.1541.

Full text

Abstract:

This paper presents the background of PON (Passive Optical Network), introduces the powerful communication design and simulating software which named Optisystem, show the PON(Passive Optical Network) theory and structure, designs the PON fiber link which has 1310nm uplink wavelength and 1490nm downlink wavelength and then analyses the models performance. In the software, we set up a rate of 1Gbps model of PON by using the component in the Optisystem. Through calculating the model, the document gets the spectrum figure of the simulate fiber link, and analyses the parameter, such as spectrum cha

APA, Harvard, Vancouver, ISO, and other styles

13

Alatwi, Aadel M., and Ahmed Nabih Zaki Rashed. "Hybrid CPFSK/OQPSK modulation transmission techniques' performance efficiency with RZ line coding based fiber systems in passive optical networks." Indonesian Journal of Electrical Engineering and Computer Science 21, no. 1 (2021): 263–70. https://doi.org/10.11591/ijeecs.v21.i1.pp263-270.

Full text

Abstract:

This study shows hybrid continuous-phase frequency shift keying (CPFSK)/optical quadrature-phase shift keying (OQPSK) modulation transmission techniques’ performance efficiency with return-to-zero (RZ) line coding scheme based fiber systems in passive optical networks. Max. Q factor/min. bit error rate variations versus modulation frequency and fiber length are studied in detail for various bits/symbol, based on hybrid proposed modulation transmission techniques. Also, optical power and received electrical power variations are simulated with fiber-length variations at a specified modulat

APA, Harvard, Vancouver, ISO, and other styles

14

Dong‐Nhat, N., and A. Malekmohammadi. "RZ‐absolute added correlative coding (AACC) transmission system featuring improved receiver sensitivity for high‐speed optical transport." Electronics Letters 52, no. 8 (2016): 639–41. http://dx.doi.org/10.1049/el.2015.3545.

Full text

APA, Harvard, Vancouver, ISO, and other styles

15

M. Alatwi, Aadel, and Ahmed Nabih Zaki Rashed. "Hybrid CPFSK/OQPSK modulation transmission techniques’ performance efficiency with RZ line coding–based fiber systems in passive optical networks." Indonesian Journal of Electrical Engineering and Computer Science 21, no. 1 (2021): 263. http://dx.doi.org/10.11591/ijeecs.v21.i1.pp263-270.

Full text

Abstract:

<p><span>This study shows hybrid continuous-phase frequency shift keying (CPFSK)/optical quadrature-phase shift keying (OQPSK) modulation transmission techniques’ performance efficiency with return-to-zero (RZ) line coding scheme–based fiber systems in passive optical networks. Max. Q factor/min. bit error rate variations versus modulation frequency and fiber length are studied in detail for various bits/symbol, based on hybrid proposed modulation transmission techniques. Also, optical power and received electrical power variations are simulated with fiber-length variations at a sp

APA, Harvard, Vancouver, ISO, and other styles

16

Naim, Nani Fadzlina, Muhammad Firdaus Hazian, Suzi Seroja Sarnin, Norsuzila Ya’acob, and Latifah Sarah Supian. "Design and Performance Analysis of DWDM-PON." Journal of Physics: Conference Series 2411, no. 1 (2022): 012007. http://dx.doi.org/10.1088/1742-6596/2411/1/012007.

Full text

Abstract:

Abstract This paper presents on the design and analysis of Dense Wavelength Division Multiplexing Passive Optical Network (DWDM-PON) which is the upcoming trend technology nowadays to transmit up to 40 Gbps data. Various modulation techniques such as Non-Return Zero (NRZ), Return-Zero (RZ) and duo binary coding are simulated in this DWDM-PON. Using OptiSystem software, DWDM-PON is designed and simulated for 32 channels with spacing of 100 GHz and bit rate of 10 Gbps. An Erbium Doped Fiber Amplifier (EDFA) and Dispersion - Compensating Fiber (DCF) is deployed in the DWDM design. It is found tha

APA, Harvard, Vancouver, ISO, and other styles

17

Dentovskaya, Svetlana V., Anastasia S. Vagaiskaya, Mikhail E. Platonov, et al. "Peptidoglycan-Free Bacterial Ghosts Confer Enhanced Protection against Yersinia pestis Infection." Vaccines 10, no. 1 (2021): 51. http://dx.doi.org/10.3390/vaccines10010051.

Full text

Abstract:

To develop a modern plague vaccine, we used hypo-endotoxic Yersinia pestis bacterial ghosts (BGs) with combinations of genes encoding the bacteriophage ɸX174 lysis-mediating protein E and/or holin-endolysin systems from λ or L-413C phages. Expression of the protein E gene resulted in the BGs that retained the shape of the original bacterium. Co-expression of this gene with genes coding for holin-endolysin system of the phage L-413C caused formation of structures resembling collapsed sacs. Such structures, which have lost their rigidity, were also formed as a result of the expression of only th

APA, Harvard, Vancouver, ISO, and other styles

18

Oliveira, Jackson Moreira, Hudson Afonso Batista da Silva, Fabio Barros de Sousa, et al. "Verification of All-Optical Regeneration with Hybrid Modulation and with On-Off Keying Modulation with Return to Zero and Non-Return to Zero Coding." Journal of Computational and Theoretical Nanoscience 17, no. 11 (2020): 4875–84. http://dx.doi.org/10.1166/jctn.2020.9628.

Full text

Abstract:

In this work we study the non-linear effects through the analysis of the operating results of three alloptical 3R regeneration (re-amplifying, re-shaping and re-timing) under the effects of cross-phase modulation (XPM) and four-wave mixing (FWM), being a system with hybrid modulation and two other communication systems with modulation on-off keying (OOK) with return to zero (RZ) and non-return to zero (NRZ) coding. The main part of the 3R regeneration system proposed here is a Mach-Zehnder interferometer (MZI) composed of an acousto optical filter (AOF) and a highly nonlinear photonic crystal

APA, Harvard, Vancouver, ISO, and other styles

19

Shtyrina, O. V., A. V. Yakasov, A. I. Latkin, Sergei K. Turitsyn, and Mikhail P. Fedoruk. "Study of high-bit-rate fibreoptic communication lines using the return-to-zero differential phase-shift keying (RZ DPSK) format for information coding." Quantum Electronics 37, no. 6 (2007): 584–89. http://dx.doi.org/10.1070/qe2007v037n06abeh013448.

Full text

APA, Harvard, Vancouver, ISO, and other styles

20

Aadel, M. Alatwi, and Nabih Zaki Rashed Ahmed. "Raised cosine/NRZ line coding techniques for upgrading free space optical communication systems through various levels of fog." TELKOMNIKA Telecommunication, Computing, Electronics and Control 18, no. 6 (2020): 2861~2867. https://doi.org/10.12928/TELKOMNIKA.v18i6.16236.

Full text

Abstract:

This study examines raised cosine/NRZ line coding techniques for upgrading free space optical (FSO) communication systems through various levels of fog. The max. Q factors are simulated and estimated for clear air, light fog, and moderate fog weather conditions at a data rate of 20 Gb/s. The optical signal to noise ratio is also measured for different weather conditions. The total power after both FSO channel and avalanche photodiode (APD) photo-detector receiver is estimated by an optical power meter for max. distances. The study shows that the max. propagation distance is extended to 50 km t

APA, Harvard, Vancouver, ISO, and other styles

21

Yaseen, Zeyad. "Performance Analysis of DPSK Technique for Optical Transmission Systems." Innovation in Technology and Sciences 2021, no. 2 (2021): 6–10. http://dx.doi.org/10.52688/iss2/asp17354.

Full text

Abstract:

The long-distance high data rate transmission is accompanied by many transmission defects, which reduce the performance of optical communication systems. Therefore, due to the need to increase data capacity for the end user, signal regeneration techniques were used to mitigate these non-linear defects in the electric or optical field. Several techniques used to modify the optical signal, which is the possible solution to reduce the limit of non-linear transmission defects, especially before converting the signal from the optical field to the electric field. Since most of the techniques used to

APA, Harvard, Vancouver, ISO, and other styles

22

Rizo-Gorrita, María, Irene Luna-Oliva, María-Angeles Serrera-Figallo, and Daniel Torres-Lagares. "Superficial Characteristics of Titanium after Treatment of Chorreated Surface, Passive Acid, and Decontamination with Argon Plasma." Journal of Functional Biomaterials 9, no. 4 (2018): 71. http://dx.doi.org/10.3390/jfb9040071.

Full text

Abstract:

(1) Background. Titanium is characterized by its biocompatibility, resistance to maximum stress, and fatigue and non-toxicity. The composition, surface structure, and roughness of titanium have a key and direct influence on the osseointegration processes when it is used in the form of dental implants. The objective of the present study is to characterize, at chemical, superficial, and biological levels, the result of the application of the sandblasted with large-grit and acid-etched (SLA) treatment consisting of coarse-grained and double-passivated acid blasting with subsequent decontamination

APA, Harvard, Vancouver, ISO, and other styles

23

Ruchika. "Bidirectional Passive Optical Network Employing Different Line codings/Modulation Formats in Wavelength Reused RSOA Based Symmetrical 10 Gbps." Journal of Physics: Conference Series 2327, no. 1 (2022): 012043. http://dx.doi.org/10.1088/1742-6596/2327/1/012043.

Full text

Abstract:

Abstract Passive optical networks (PONs) with the integration of multiple channels are the high capacity systems to cater the large number of channels in order to fulfill demands of internet applications. To realize a crosstalk suppressed and cost effective system, an integrated multi channel PON for mitigation of the crosstalk between upstream and downstream channels using different pulse shapes such as Return to zero (RZ), non RZ (NRZ), compressed spectrum RZ (CSRZ), Differential phase shift keying (DPSK) is proposed. Use of reflective semiconductor optical amplifier (RSOA) has been proposed

APA, Harvard, Vancouver, ISO, and other styles

24

Zaki Rashed, Ahmed Nabih, Mittamidi Madhusudhan Reddy, Namgiri Snehith, et al. "Various RZ percentage duty cycle coding with NRZ modulation technique signature on the fiber system performance." Journal of Optical Communications, March 29, 2023. http://dx.doi.org/10.1515/joc-2023-0033.

Full text

Abstract:

Abstract This study has clarified various RZ Percentage Duty Cycle Coding with NRZ modulation Technique Signature on The Fiber System Performance. The total form lighted/electrical power after linear measured multimode fiber/FSO channel measured based different RZ percentage duty cycle coding with the assistance of NRZ modulation techniques is performed. The electrical/lighted form measured power after APD receiver with linear multimode fiber/FSO channel measured based different RZ percentage base band form duty cycle coding with the assistance of NRZ modulation techniques is demonstrated. The

APA, Harvard, Vancouver, ISO, and other styles

25

Rashed, Ahmed Nabih Zaki, Mittamidi Madhusudhan Reddy, Sanam Nagendram, et al. "Efficient employment of optical DPSK transmitter with linear multimode fibers and FSO channel under various duty cycle coding effects." Journal of Optical Communications, March 30, 2023. http://dx.doi.org/10.1515/joc-2023-0032.

Full text

Abstract:

Abstract This study has demonstrated the efficient employment of optical DPSK transmitter with linear multimode fibers and FSO channel under various duty cycle coding effects. The light signal power form variations after linear multimode fiber versus spectral wavelength based various RZ-percentage duty cycle coding is clarified. The light signal power form variations after linear multimode fiber versus spectral wavelength based various NRZ duty cycle coding is also clarified. The light power signal form variations after FSO channel versus spectral wavelength based different RZ percentage duty

APA, Harvard, Vancouver, ISO, and other styles

26

Sachdeva, Shippu, Manoj Sindhwani, and Krishan Arora. "A high-speed multi input multi output Ro-IsOWC system incorporating Manchester coding and E-LP, O-LP modes." Journal of Optical Communications, November 29, 2022. http://dx.doi.org/10.1515/joc-2022-0281.

Full text

Abstract:

Abstract Aiming at the link length enhancement in intersatellite optical wireless communication (IsOWC) system, considering the hybrid radiofrequency (RF)-enabled multi input multi output (MIMO) system, we accentuate the realization of medium earth orbit (MEO)-based IsOWC system by incorporating different modulation formats such as return to zero (RZ), non-RZ (NRZ), and Manchester coding. A 40 Gbps and 16 × 8 MIMO system enabling 40 GHz RF signal is proposed by using even linear polarized (E-LP) mode, and odd linear polarized (O-LP) mode over a 22,000 km IsOWC channel. Further, a performance c

APA, Harvard, Vancouver, ISO, and other styles

27

Prabu, Ramachandran Thandaiah, Ashok Raja, Vanitha Lingaraj, et al. "Various graded index plastic optical fiber performance signature capability with the optimum dispersion control for indoor coverage applications." Journal of Optical Communications, May 16, 2024. http://dx.doi.org/10.1515/joc-2024-0069.

Full text

Abstract:

Abstract This work has clarified the various graded index plastic optical fiber performance signature with the optimum dispersion control for indoor coverage applications. The plastic optical fibers that are deeply employed namely Polymethyl mathacrylate (PMMA), Epoxy, Polyfluorene and Cyclotene. Various plastic optical fiber dispersion is demonstrated against temperature variations. The different plastic fibers pulse broadening is clarified versus temperature variations. The previous plastic optical fibers types with respect to refractive index configuration and number of modes are clarified.

APA, Harvard, Vancouver, ISO, and other styles

28

Galeb, Basim. "IMPLEMENTATION OF AN EFFECTIVE FSO WDM SYSTEM UNDER DIFFERENT ATMOSPHERIC CONDITIONS WITH DIFFERENT CODING SCHEMES." JOURNAL OF MECHANICS OF CONTINUA AND MATHEMATICAL SCIENCES 19, no. 6 (2024). http://dx.doi.org/10.26782/jmcms.2024.06.00007.

Full text

Abstract:

In different atmospheric conditions, Free Space Optical (FSO) transmission is vital because it sends data via light beams through the atmosphere. This technique transmits data quickly and efficiently with low signal attenuation in clear weather. This makes it ideal for short- to medium-range communication, especially in urban areas where cables or radio frequency spectrum are impractical. However, fog, rain, and snow can absorb or disperse the light signal, reducing transmission range and reliability for FSO. This research creates an effective FSO system that supports many channels and transmi

APA, Harvard, Vancouver, ISO, and other styles

29

Beatty, Emma, and Deanna Schmitt. "Role of LpnA in Francisella tularensis Susceptibility to Resazurin." Proceedings of the West Virginia Academy of Science 96, no. 1 (2024). http://dx.doi.org/10.55632/pwvas.v96i1.1039.

Full text

Abstract:

Francisella tularensis is classified by the Centers for Disease Control and Prevention as a Category A bioterrorism agent due to its low infectious dose, ease of aerosolization, and high mortality rate. Given there is no licensed tularemia vaccine and the possibility of antibiotic-resistant F. tularensis strains, there is an urgent need to develop new treatments against this bacterium. Resazurin (Rz) has bactericidal activity against F. tularensis and other gram-negative bacteria including the human pathogens Neisseria gonorrhoeae and Helicobacter pylori. However, the mechanism of action for R

APA, Harvard, Vancouver, ISO, and other styles

30

Young, Emily, Jordan Gibson, Siena McGovern, et al. "Role of FTL_0445 in Francisella tularensis Susceptibility to Resazurin." Proceedings of the West Virginia Academy of Science 95, no. 2 (2023). http://dx.doi.org/10.55632/pwvas.v95i2.980.

Full text

Abstract:

Tularemia is a potentially fatal disease caused by the Category A bioterrorism agent Francisella tularensis. Aminoglycosides, fluoroquinolones, and tetracyclines can be used to treat tularemia; however, there is a high incidence of relapse and treatment failures when using these drugs. Furthermore, there is no tularemia vaccine licensed for use in the United States. Therefore, new antibiotics that target F. tularensis are being investigated. A novel family of resazurin-based antibiotics called resazomycins exhibit antimicrobial activity against F. tularensis and other Gram-negative pathogens i

APA, Harvard, Vancouver, ISO, and other styles

31

Beatty, Emma, and Deanna Schmitt. "Role of LpnA in Francisella tularensis Susceptibility to Resazurin." Proceedings of the West Virginia Academy of Science 95, no. 2 (2023). http://dx.doi.org/10.55632/pwvas.v95i2.968.

Full text

Abstract:

Francisella tularensis is defined by the Centers for Disease Control and Prevention as a Category A bioterrorism agent due to its low infectious dose, high mortality rate, and ease of aerosolization. Given there is no licensed tularemia vaccine in the United States and the possible development and release of antibiotic-resistant F. tularensis strains, there is an urgent need for new treatments against this bacterium. We determined the phenoxazine dye resazurin (Rz) exhibits antimicrobial activity against F. tularensis and other gram-negative bacteria. The mode of action of this compound is not

APA, Harvard, Vancouver, ISO, and other styles

32

Schreiber, Rori. "Role of KatG in Francisella tularensis Susceptibility to Resazurin." Proceedings of the West Virginia Academy of Science 95, no. 2 (2023). http://dx.doi.org/10.55632/pwvas.v95i2.985.

Full text

Abstract:

The CDC classifies Francisella tularensis as a Category A bioterrorism agent. Due to the risk of potential release of antibiotic-resistant F. tularensis strains, new therapeutics against F. tularensis must be developed. Resazomycins are resazurin (Rz)-based compounds that exhibit antimicrobial activity against F. tularensis and other gram-negative bacteria. The mode of action of resazomycins is not understood, but potential targets of the antibiotic were identified in a high throughput screen for Rz-resistant isolates. The FTL_1504 gene was identified as being mutated in all of the Rz-resistan

APA, Harvard, Vancouver, ISO, and other styles

33

Wang, Xue, Weijun Wang, Zan Li, et al. "Comprehensive Analysis of Differentially Expressed mRNA, Non-coding RNA, and Their Competitive Endogenous RNA Network of Pacific Oyster Crassostrea gigas With Different Glycogen Content Between Different Environments." Frontiers in Marine Science 8 (October 28, 2021). http://dx.doi.org/10.3389/fmars.2021.725628.

Full text

Abstract:

Glycogen content is a quantitative trait, its phenotype differences are found between individual oysters due to genetic effects and environmental factors which were including food, water temperature, salinity, and so on. In this study, a full sibling family of Pacific oyster Crassostrea gigas showed different phenotypes with high and low glycogen content between South Huanghai Sea (Rizhao offshore area, RZ) and North Huanghai Sea (Kongtong Dao area, KTD), respectively. At the same time, the content of 11 glucogenic amino acids and 13 fatty acids were also significant differences between RZ and

APA, Harvard, Vancouver, ISO, and other styles

34

Bharti, Manisha, Ajay K. Sharma, and Manoj Kumar. "Design and Performance Analysis of 2D OCDMA System with Polarization States." Journal of Optical Communications 37, no. 4 (2016). http://dx.doi.org/10.1515/joc-2015-0094.

Full text

Abstract:

AbstractThis paper focuses on increasing the number of subscribers in optical code-division multiple access (OCDMA) system by using one of the features of light signal that it can be propagated in two polarization states. The performance of two-dimensional (2D) OCDMA system based on wavelength-time coding scheme by adding polarization state is investigated at varying data rates from 1 GHz to 6 GHz and for various modulation formats. It is reported that with increase in data rate of system, the performance of the system deteriorates due to polarization mode dispersion. Non-return to-zero (RZ),

APA, Harvard, Vancouver, ISO, and other styles

35

Bhoompally, Suneela, Mittamidi Madhusudhan Reddy, Twana Mohammed Kak Anwer, et al. "Distributed feedback laser grating order effects on optical systems with NRZ-RZ line coding scheme performance signature." Journal of Optical Communications, April 17, 2023. http://dx.doi.org/10.1515/joc-2023-0072.

Full text

Abstract:

Abstract This work demonstrated the distributed feedback laser grating order effects on optical system in the presence of NRZ-RZ line coding schemes. Max lighted signal form power variations are studied with spectral base wavelength band variations through optical fiber based on first various distributed based band feedback laser (DFB) grating order. The total lighted form base power band through optical fiber based on first different DFB laser grating order is estimated. The max electrical base signal band power form variations with spectral base frequency form band variations through photo-d

APA, Harvard, Vancouver, ISO, and other styles

36

Singh, Ashish, Kavitha Shekhara, Asia Hazareena, and Mohammad G. Siddiqui. "Design and performance of WDM system for high-speed optical communication on different modulation formats." Journal of Optical Communications, August 8, 2024. http://dx.doi.org/10.1515/joc-2024-0140.

Full text

Abstract:

Abstract In this paper, the performance analysis of the WDM (wavelength division multiplexing) system on the optical fiber transmission link is proposed. High data transmission is possible by implementing a WDM optical communication system using different modulation formats. Firstly, the WDM optical communication system is designed on an Optiwave simulation tool and distortion in the optical fiber by “eye pattern analysis” is analyzed. Secondly, the optical SNR of the proposed WDM optical communication system is studied. Further, the bit-error rate (BER) plot is studied and optimization techni

APA, Harvard, Vancouver, ISO, and other styles

37

Roman, Zubarev, Lyutvinskiy Yaroslav, O. Nagornov Konstantin, et al. "Adding colour to mass spectra: Charge Determination Analysis (CHARDA) assigns charge state to every ion peak." September 17, 2021. https://doi.org/10.26434/chemrxiv-2021-f6n9j.

Full text

Abstract:

Traditionally, mass spectrometry (MS) output is the ion abundance plotted versus ionic mass-to-charge ratio m/z. While employing only commercially available equipment, Charge Determination Analysis (CHARDA) adds a third dimension to MS, estimating for individual peaks their charge states z, starting from z=1, and colour-coding z in m/z spectra. CHARDA combines the analysis of ion signal decay rates in the time-domain data (transients) in Fourier transform (FT) MS with the interrogation of mass defects of biopolymers. Being applied to individual isotopic peaks in a complex protein tandem (MS/MS

APA, Harvard, Vancouver, ISO, and other styles

38

Tervydis, Paulius, and Ruta Jankuniene. "A Problem Analysis of RSOA-Based Optical Access." Elektronika ir Elektrotechnika 22, no. 2 (2017). https://doi.org/10.5755/j01.eie.22.2.14601.

Full text

Abstract:

Using WDM multiplexing is one of the ways to increase PON bandwidth. But as WDM-PON is still expensive and difficult administered, the idea of using a Reflective Semiconductor Optical Amplifier (RSOA) is proposed. It can be installed in WDM-PON ONU network devices. A comprehensive problem analysis of various investigations is done relating to a performance of RSOA-based WDM-PON systems. The simulation model is created for RSOA-based WDM-PON access with downstream signal reusing in ONU for upstream transmission. This model helped in researching of RSOA abilities using different downstream and u

APA, Harvard, Vancouver, ISO, and other styles

39

Forouzan, Amir R., and Mohammad Sheikhbahaei. "Shot Noise Optimal Receiver Filters for Coherent and Non‐Coherent Fibre Optic Communications." IET Communications 19, no. 1 (2025). https://doi.org/10.1049/cmu2.70026.

Full text

Abstract:

ABSTRACTIn this paper, we investigate optimal receiver filter design with respect to shot noise in both non‐coherent and coherent fibre optic communication systems. We derive analytical expressions for the moment‐generating function of filter output and the signal‐to‐shot noise power ratio (SSNR) for intensity modulation direct detection (IM/DD) and phase diversity homodyne (PDH) optical fibre communication systems, with arbitrary waveform and receiver filter considerations in the presence of shot noise. Closed‐form formulas are provided for the receiver filter structures that maximise the SSN

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!