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Journal articles on the topic 'Modified simplex'

Author: Grafiati

Published: 3 June 2025

Last updated: 20 July 2025

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1

Pedersen, Pauli. "Modified simplex optimization program." Communications in Numerical Methods in Engineering 10, no. 4 (1994): 303–12. http://dx.doi.org/10.1002/cnm.1640100405.

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2

Morgan, Edward, Kenneth W. Burton, and Graham Nickless. "Optimization using the modified simplex method." Chemometrics and Intelligent Laboratory Systems 7, no. 3 (1990): 209–22. http://dx.doi.org/10.1016/0169-7439(90)80112-j.

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3

Betteridge, D., A. P. Wade, and A. G. Howard. "Reflections on the modified simplex—I." Talanta 32, no. 8 (1985): 709–22. http://dx.doi.org/10.1016/0039-9140(85)80174-0.

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4

Betteridge, D., A. P. Wade, and A. G. Howard. "Reflections on the modified simplex—II1." Talanta 32, no. 8 (1985): 723–34. http://dx.doi.org/10.1016/0039-9140(85)80175-2.

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5

Gustavsson, A., and J.-E. Sundkvist. "Design and optimization of modified simplex methods." Analytica Chimica Acta 167 (1985): 1–10. http://dx.doi.org/10.1016/s0003-2670(00)84405-0.

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6

Morgan, Edward, Kenneth W. Burton, and Graham Nickless. "Optimization using the super-modified simplex method." Chemometrics and Intelligent Laboratory Systems 8, no. 2 (1990): 97–107. http://dx.doi.org/10.1016/0169-7439(90)80127-r.

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7

Abdulrahim, Basiya K. "Solving Quadratic Fractional Programming Problem via Feasible Direction Development and Modified Simplex Method." Journal of Zankoy Sulaimani - Part A 15, no. 2 (2013): 45–52. http://dx.doi.org/10.17656/jzs.10245.

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8

Ibarra, Jose V., and Jesus J. Lazaro. "Lignite sulfonation optimized by a modified Simplex method." Industrial & Engineering Chemistry Product Research and Development 24, no. 4 (1985): 604–7. http://dx.doi.org/10.1021/i300020a021.

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9

Miura, Kanako, Koichi Hashimoto, Hikaru Inooka, Jacques A. Gangloff, and Michel F. de Mathelin. "Model-less visual servoing using modified simplex optimization." Artificial Life and Robotics 10, no. 2 (2006): 131–35. http://dx.doi.org/10.1007/s10015-005-0374-4.

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10

Huang, Xiang, and Lin Shu Li. "Part Roundness Errors Evaluation Based on Modified Simplex Method." Applied Mechanics and Materials 273 (January 2013): 619–22. http://dx.doi.org/10.4028/www.scientific.net/amm.273.619.

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On the basis of establishing programming model of geometric error’s minimum regional evaluation, this paper applies modified simplex method to optimization evaluation of axial parts’ roundness measurement in order to improve the accuracy and speed of roundness error evaluation. The result shows that roundness error evaluation based on modified simplex method is of the following advantages such as high evaluation accuracy, fast calculation speed and good repeatability and so on. Practical examples prove that this method is of universality and practicality.

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11

Kibuule, Grace N., Jay M. Truitt, and Michelle Tarbox. "Modified Tzanck Smear to Evaluate for Herpes Simplex Virus." Journal of Drugs in Dermatology 22, no. 12 (2023): e38-e39. http://dx.doi.org/10.36849/jdd.4763.

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12

Hedlund, Peter, and Anders Gustavsson. "Design and evaluation of an effective modified simplex method." Analytica Chimica Acta 391, no. 3 (1999): 257–67. http://dx.doi.org/10.1016/s0003-2670(99)00236-6.

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13

Zhao, Qiu Hong, Dragan Urosević, Nenad Mladenović, and Pierre Hansen. "A restarted and modified simplex search for unconstrained optimization." Computers & Operations Research 36, no. 12 (2009): 3263–71. http://dx.doi.org/10.1016/j.cor.2009.03.005.

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14

Khaghaninia, Samad, Yaser Gharajedaghi, and Igor Ya Grichanov. "The Dolichopus plumipes species group (Diptera, Dolichopodidae) in the Palaearctic Region with the description of a new species from Iran." Journal of Insect Biodiversity 2, no. 1 (2014): 1. http://dx.doi.org/10.12976/jib/2014.2.1.

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The Dolichopus plumipes species group in the Palaearctic Region is redefined. It comprises eleven species including one new species, Dolichopus malekii sp. nov., from the East Azerbaijan province in north-western Iran. The species group is differentiated from other Dolichopus by the modified male mid tibia and/or mid basitarsus (except D. simplex). The mid tibia is often thin, having a longitudinal narrow dark streak (D. plumipes) or clear whitish yellow dorsal area in distal third, rarely simple or inconspicuously modified (D. discifer). Mid basitarsus is pennate or bearing elongate setae or

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15

Peng, Pei Zhen, Yi Yu, Zhao Jia Wang, and Min Jiang. "On the Computational Study of Artificial Fish Swarm Algorithm and its Improvement." Applied Mechanics and Materials 687-691 (November 2014): 1480–84. http://dx.doi.org/10.4028/www.scientific.net/amm.687-691.1480.

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Artificial Fish Swarm Algorithm (AFSA) since 2002 has been proposed by Dr. Li Xiao-lei more than ten years, and has been widely used in various engineering fields. However, since a lot of comprehensive standard running tests has not yet been made with the algorithm, it has not yet been unanimously recognized by the international academic community. By 34 Benchmark Functions tested with AFSA, the result evaluation for functions that are applicable and not applicable by AFSA is summarized. Also in order to overcome the drawbacks of Global Artificial Fish Swarm Algorithm (GAFSA) such as slow conv

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16

Chen, Liting, Chen Xu, Hainan Xu, et al. "RVG29-modified oncolytic herpes simplex virus for intracranial tumor treatment." Nano Today 61 (April 2025): 102573. https://doi.org/10.1016/j.nantod.2024.102573.

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17

Bosch, S., F. Monzonís, and E. Masetti. "Ellipsometric methods for absorbing layers: a modified downhill simplex algorithm." Thin Solid Films 289, no. 1-2 (1996): 54–58. http://dx.doi.org/10.1016/s0040-6090(96)08933-x.

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18

Önal, Hayri. "A modified simplex approach for solving bilevel linear programming problems." European Journal of Operational Research 67, no. 1 (1993): 126–35. http://dx.doi.org/10.1016/0377-2217(93)90327-j.

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19

Mohsin, Armaghan, Yazan Alsmadi, Ali Arshad Uppal, and Sardar Muhammad Gulfam. "A modified simplex based direct search optimization algorithm for adaptive transversal FIR filters." Science Progress 104, no. 2 (2021): 003685042110254. http://dx.doi.org/10.1177/00368504211025409.

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In this paper, a novel modified optimization algorithm is presented, which combines Nelder-Mead (NM) method with a gradient-based approach. The well-known Nelder Mead optimization technique is widely used but it suffers from convergence issues in higher dimensional complex problems. Unlike the NM, in this proposed technique we have focused on two issues of the NM approach, one is shape of the simplex which is reshaped at each iteration according to the objective function, so we used a fixed shape of the simplex and we regenerate the simplex at each iteration and the second issue is related to

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20

Liu, XueQiao, Eeva Broberg, Daisuke Watanabe, Timothy Dudek, Neal DeLuca, and David M. Knipe. "Genetic engineering of a modified herpes simplex virus 1 vaccine vector." Vaccine 27, no. 21 (2009): 2760–67. http://dx.doi.org/10.1016/j.vaccine.2009.03.003.

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21

Lopez-Molinero, A., R. Sanz, D. Sipiera, and J. R. Castillo. "Proposal and Evaluation of New Variations to the Modified Simplex Method." Analytical Letters 36, no. 10 (2003): 2337–53. http://dx.doi.org/10.1081/al-120023724.

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22

Kuk, Francis K. "A Screening Procedure for Modified Simplex in Frequency-Gain Response Selection." Ear and Hearing 15, no. 1 (1994): 62–70. http://dx.doi.org/10.1097/00003446-199402000-00007.

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23

Hedlund, Peter, and Anders Gustavsson. "Design and evaluation of modified simplex methods having enhanced convergence ability." Analytica Chimica Acta 259, no. 2 (1992): 243–56. http://dx.doi.org/10.1016/0003-2670(92)85374-f.

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24

Steck, Lee, and William A. Prothero. "Seismic calibration using the simplex algorithm." Bulletin of the Seismological Society of America 79, no. 5 (1989): 1618–28. http://dx.doi.org/10.1785/bssa0790051618.

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Abstract We have modified the software of Sauter and Dorman (1986) to produce a robust and flexible calibration program that works in the frequency domain for longer and noisy calibration signals, as well as in the time domain when shorter, high signal-to-noise calibration signals may be used. The most important improvement was to replace the least squares fitting of the complex polynomial representation of the response function with the simplex fitting of the pole-zero representation of the response function. The simplex algorithm always converges to a minimum, regardless of starting model, a

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25

WILSON, LAWRENCE A., JAMES J. THOMPSON, SUSUMU OHKAWA, and DAVID W. SCOTT. "Characterization of "Modified-Self"-Induced Specific Antibody Hyporesponsiveness to Herpes Simplex Virus." Viral Immunology 5, no. 2 (1992): 113–22. http://dx.doi.org/10.1089/vim.1992.5.113.

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26

Catalano, Robert A., Robert M. Webb, Richard S. Smith, and Mary Ann Duke. "A Modified Immunoperoxidase Method for Rapid Diagnosis of Herpes Simplex I Keratitis." American Journal of Clinical Pathology 86, no. 1 (1986): 102–4. http://dx.doi.org/10.1093/ajcp/86.1.102.

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27

Zhao, Jianwei, Weimin Jia, Rong Wang, and Zhixiang Yan. "Attitude Estimation Based on the Spherical Simplex Transformation Modified Unscented Kalman Filter." Mathematical Problems in Engineering 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/925914.

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An antenna attitude estimation algorithm is proposed to improve the antenna pointing accuracy for the satellite communication on-the-move. The extrapolated angular acceleration is adopted to improve the performance of the time response. The states of the system are modified according to the modification rules. The spherical simplex transformation unscented Kalman filter is used to improve the precision of the estimated attitude and decrease the calculation of the unscented Kalman filter. The experiment results show that the proposed algorithm can improve the instantaneity of the estimated atti

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28

., Kirtiwant P. Ghadle. "NEW APPROACH FOR WOLFE’S MODIFIED SIMPLEX METHOD TO SOLVE QUADRATIC PROGRAMMING PROBLEMS." International Journal of Research in Engineering and Technology 04, no. 01 (2015): 371–76. http://dx.doi.org/10.15623/ijret.2015.0401055.

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29

Bultmann, Hermann, James S. Busse, and Curtis R. Brandt. "Modified FGF4 Signal Peptide Inhibits Entry of Herpes Simplex Virus Type 1." Journal of Virology 75, no. 6 (2001): 2634–45. http://dx.doi.org/10.1128/jvi.75.6.2634-2645.2001.

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ABSTRACT Entry of herpes simplex virus type 1 (HSV-1) into host cells occurs through fusion of the viral envelope with the plasma membrane and involves complex and poorly understood interactions between several viral and cellular proteins. One strategy for dissecting the function of this fusion machine is through the use of specific inhibitors. We identified a peptide with antiviral activity that blocks HSV-1 infection at the entry stage and during cell-to-cell spreading. This peptide (called EB for “entry blocker”) consists of the FGF4 signal sequence with an RRKK tetramer at the amino termin

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30

Wang, Qin-Sun, Chang-Shou Zhu, and Bing-Wen Yan. "A modified simplex method for multifactor optimization of selectivity in gas chromatography." Chinese Journal of Chemistry 13, no. 2 (2010): 169–74. http://dx.doi.org/10.1002/cjoc.19950130212.

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31

Das, HK, Tapash Saha, and M. Babul Hasan. "A Study on 1-D Simplex Search Algorithm with its Numerical Experiments Through Computer Algebra." Dhaka University Journal of Science 62, no. 2 (2015): 95–102. http://dx.doi.org/10.3329/dujs.v62i2.21972.

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Computer techniques have been developed to solve 1-D NLP problems. The 1-D simplex search algorithm was studied and a code corresponding to the modified phase-0 has been developed. The 1-D two phase methods and modified Phase-0 method have been compared with those reported by others. The efficiency of computer techniques and algorithms have been demonstrated with a number of numerical examples. DOI: http://dx.doi.org/10.3329/dujs.v62i2.21972 Dhaka Univ. J. Sci. 62(2): 95-102, 2014 (July)

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32

Poonam, Kumari. "A Modification of Quadratic Programming Algorithm." International Journal of Innovative Technology and Exploring Engineering (IJITEE) 10, no. 1 (2020): 167–76. https://doi.org/10.35940/ijitee.A8144.1110120.

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In the existing methods for solving Quadratic Programming Problems having linearly factorized objective function and linear constraints, all the linear factors of the objective function are supposed to be positive for all feasible solutions. Here, a modification of the existing methods is proposed and it has been proved that the modified method can be applied to find the optimal solution of the problem even if all the linear factors of the objective function are not necessarily positive for all feasible solutions. Moreover, the proposed method can be applied to find the optimal solution of the

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33

Kuk, Francis K., and Nonalee M. C. Pape. "The Reliability of a Modified Simplex Procedure in Hearing Aid Frequency-Response Selection." Journal of Speech, Language, and Hearing Research 35, no. 2 (1992): 418–29. http://dx.doi.org/10.1044/jshr.3502.418.

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The reliability of a modified simplex procedure to select the preferred frequency response on a programmable hearing aid was studied. The effect of stimulus materials on the selected frequency response, along with the consistency in which the selected frequency response was chosen in repeated test runs, was examined. Two groups of hearing-impaired elderly adults (from 59 to 88 years of age, with a mean age of 70 years) who had worn hearing aids for at least 1 year, participated in the study. Subjects were seen for six sessions lasting 2 to 3 hours each. During each session, subjects listened t

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34

Vanhaute, W. J., S. Vandenberghe, K. Scheerlinck, B. De Baets, and N. E. C. Verhoest. "Calibration of the modified Bartlett-Lewis model using global optimization techniques and alternative objective functions." Hydrology and Earth System Sciences 16, no. 3 (2012): 873–91. http://dx.doi.org/10.5194/hess-16-873-2012.

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Abstract. The calibration of stochastic point process rainfall models, such as of the Bartlett-Lewis type, suffers from the presence of multiple local minima which local search algorithms usually fail to avoid. To meet this shortcoming, four relatively new global optimization methods are presented and tested for their ability to calibrate the Modified Bartlett-Lewis Model. The list of tested methods consists of: the Downhill Simplex Method, Simplex-Simulated Annealing, Particle Swarm Optimization and Shuffled Complex Evolution. The parameters of these algorithms are first optimized to ensure o

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35

Hou, Zhanyuan. "On existence and uniqueness of a modified carrying simplex for discrete Kolmogorov systems." Journal of Difference Equations and Applications 27, no. 2 (2021): 284–315. http://dx.doi.org/10.1080/10236198.2021.1894141.

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36

Campêlo, Manoel, and Susana Scheimberg. "A note on a modified simplex approach for solving bilevel linear programming problems." European Journal of Operational Research 126, no. 2 (2000): 454–58. http://dx.doi.org/10.1016/s0377-2217(99)00297-0.

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37

McGovern, Alice E., Nicholas Davis-Poynter, Joanna Rakoczy, Simon Phipps, David G. Simmons, and Stuart B. Mazzone. "Anterograde neuronal circuit tracing using a genetically modified herpes simplex virus expressing EGFP." Journal of Neuroscience Methods 209, no. 1 (2012): 158–67. http://dx.doi.org/10.1016/j.jneumeth.2012.05.035.

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38

Sandler, Vladislav M., Samuel Wang, Kamilla Angelo, Helen G. Lo, Xandra O. Breakefield, and David E. Clapham. "Modified herpes simplex virus delivery of enhanced GFP into the central nervous system." Journal of Neuroscience Methods 121, no. 2 (2002): 211–19. http://dx.doi.org/10.1016/s0165-0270(02)00262-5.

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39

Su, Hailiang, Fengchong Lan, Yuyan He, and Jiqing Chen. "A modified downhill simplex algorithm interpolation response surface method for structural reliability analysis." Engineering Computations 37, no. 4 (2019): 1423–50. http://dx.doi.org/10.1108/ec-03-2019-0085.

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Purpose Because of the high computational efficiency, response surface method (RSM) has been widely used in structural reliability analysis. However, for a highly nonlinear limit state function (LSF), the approximate accuracy of the failure probability mainly depends on the design point, and the result is that the response surface function composed of initial experimental points rarely fits the LSF exactly. The inaccurate design points usually cause some errors in the traditional RSM. The purpose of this paper is to present a hybrid method combining adaptive moving experimental points strategy

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40

García Soto, Andrés Ricardo, Gerardo Rodríguez Niño, and Carlos Alexander Trujillo. "Zeolite LTA synthesis: Optimising synthesis conditions by using the modified sequential simplex method." Ingeniería e Investigación 33, no. 3 (2013): 22–27. http://dx.doi.org/10.15446/ing.investig.v33n3.41039.

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This paper presents research concerning the simultaneous effect of the most influential synthesis variables in the preparation of Zeolite LTA. The simplex method was used for ascertaining optimal synthesis conditions, where the relative crystallinity (regarding a commercial sample) of synthesised zeolite was defined as response function. Crystallinity was measured by X-ray diffraction. Optimum conditions were found after 24 trials, giving 95.4% relative crystallinity and Na2O/SiO2=2.58, SiO2/Al2O3=1.45 and H2O/Na2O=46.92 molar ratios; 11.7 h crystal growth time, 6.1 h crystallisation time (rea

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41

Bialek, J. "Modified algorithm of the revised simplex method applied to power system state estimation." International Journal of Electrical Power & Energy Systems 8, no. 4 (1986): 236–40. http://dx.doi.org/10.1016/0142-0615(86)90015-3.

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42

Kočí, Václav, Jan Kočí, Monika Čáchová, Eva Vejmelková, and Robert Černý. "Multi-parameter optimization of lime composite design using a modified downhill simplex method." Composites Part B: Engineering 93 (May 2016): 184–89. http://dx.doi.org/10.1016/j.compositesb.2016.03.025.

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43

Qureshi, Sadia, Asif Ali Shaikh, and Sania Qureshi. "Modified Technique to Solve Degeneracy in Linear Programming Problems." Babylonian Journal of Mathematics 2024 (September 15, 2024): 73–77. https://doi.org/10.58496/bjm/2024/009.

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This paper addresses degeneracy that has been analyzed in the simplex method in Linear programming (LP) issues. The newly changed technique is proposed for choosing particular pivot rows from leaving variables. This method offers greater beneficial and faster consequences in the assessment of the prevailing classical approach. The proposed set of rules is a higher preference to avoid the confusion of taking an arbitrary ratio to pick out leaving variables and for this reason, the proposed method is robust to solve degeneracy in linear programming (LP) problems.

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44

Shen, Kailin, Xiang Li, Shu Wang, et al. "Establishment and In-House Validation of Simplex and Duplex PCR Methods for Event-Specific Detection of Maize SYN-E3272-5 Using a New Reference Molecule." Journal of AOAC INTERNATIONAL 93, no. 2 (2010): 663–75. http://dx.doi.org/10.1093/jaoac/93.2.663.

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Abstract Despite rapid developments in the detection techniques for genetically modified organisms (GMOs), the event-specific PCR method with high specificity is still the most used technique. In this study, event-specific simplex and duplex qualitative and quantitative detection systems were developed targeting the 3 insertion site of GM maize SYN-E3272-5 (3272) construct. A reference molecule p3272 was constructed to act as positive control and as calibrator for quantitative analysis. The LOD for simplex and duplex qualitative PCR assays was 10 copies of p3272 control DNA. LOD and the LOQ fo

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45

Jones, Samuel T., Valeria Cagno, Matej Janeček, et al. "Modified cyclodextrins as broad-spectrum antivirals." Science Advances 6, no. 5 (2020): eaax9318. http://dx.doi.org/10.1126/sciadv.aax9318.

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Viral infections kill millions of people and new antivirals are needed. Nontoxic drugs that irreversibly inhibit viruses (virucidal) are postulated to be ideal. Unfortunately, all virucidal molecules described to date are cytotoxic. We recently developed nontoxic, broad-spectrum virucidal gold nanoparticles. Here, we develop further the concept and describe cyclodextrins, modified with mercaptoundecane sulfonic acids, to mimic heparan sulfates and to provide the key nontoxic virucidal action. We show that the resulting macromolecules are broad-spectrum, biocompatible, and virucidal at micromol

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46

Ved, Valery, Hanna Ponomarenko, Yevhenia Ponomarenko, and Konstantin Gorbunov. "A Modified Scheffe's Simplex Lattice Design Method in Development of Ceramic Carriers for Catalytic Neutralizers of Gas Emissions." Chemistry Journal of Moldova 16, no. 1 (2021): 79–87. http://dx.doi.org/10.19261/cjm.2021.779.

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A modified Scheffe's simplex lattice design method is proposed to study the properties of multicomponent materials. This modified Scheffe's method allowed determining the optimal compositions of cordierite and corundum based ceramic materials that are used as catalyst carrier for gas purification equipment. The obtained material (0.63-1.25 mm weight fraction of cordierite of 0.35 mass% fraction; < 0.63 mm weight fraction of cordierite of 0.35 mass% fraction; < 0.06 mm weight fraction of corundum of 0.2 mass% fraction; 1.25-2.5 mm weight fraction of cordierite of 0.2 mass% fraction) was u

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47

Zorrilla Briones, Francisco, Inocente Yuliana Meléndez Pastrana, Manuel Alonso Rodríguez Morachis, and José Luís Anaya Carrasco. "Parallel Simplex, an Alternative to Classical Experimentation: A Case Study." Data 9, no. 12 (2024): 147. https://doi.org/10.3390/data9120147.

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Experimentation is a strong methodology that improves and optimizes processes. Nevertheless, in many cases, real-life dynamics of production demands and other restrictions inhibit the use of these methodologies because their use implies stopping production, generating scrap, jeopardizing demand accomplishments, and other problems. Proposed here is an alternative methodology to search for the best process variable levels and optimize the response of the process without the need to stop production. This algorithm is based on the principles of the Variable Simplex developed by Nelder and Mead and

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48

Jdid, Maissam, and Florentin Smarandache. "Neutrosophic Treatment of the Modified Simplex Algorithm to find the Optimal Solution for Linear Models." International Journal of Neutrosophic Science 23, no. 1 (2024): 117–24. http://dx.doi.org/10.54216/ijns.230110.

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Science is the basis for managing the affairs of life and human activities, and living without knowledge is a form of wandering and a kind of loss. Using scientific methods helps us understand the foundations of choice, decision-making, and adopting the right solutions when solutions abound and options are numerous. Operational research is considered the best that scientific development has provided because its methods depend on the application of scientific methods in solving complex issues and the optimal use of available resources in various fields, private and governmental work in peace an

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49

Jaiswal, Prastuti, Komal Yadav, Aditi Bhinda, and Isha Thakur. "Homoeopathic Treatment of Lichen Simplex Chronicus: A Case Report." Advancements in Homeopathic Research 8, no. 1 (2023): 51–57. http://dx.doi.org/10.48165/ahr.2023.8.1.6.

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Lichen simplex chronicus (LSC) or neurodermatitis is a chronic type of skin disease which features itself as chronic localized and lichenified form of atopic dermatitis. Conventional treatment only keeps the symptoms in abeyance and eruptions reappear again and again. Here a case of LSC, of 60 year old male with a history of one and half year old dry, papular lesions presented. On the basis of the totality of symptoms, Homoeopathic medicine Sepia succus 200C was prescribed and gradually the patient showed stable improvement in signs and symptoms and reached remission by the end of 4 months. Th

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50

Hays, Réjean, Lena N. Measures, and Jean Huot. "Euphausiids as intermediate hosts of Anisakis simplex in the St. Lawrence estuary." Canadian Journal of Zoology 76, no. 7 (1998): 1226–35. http://dx.doi.org/10.1139/z98-052.

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To determine abundance of larval Anisakis simplex in euphausiids of the St. Lawrence estuary, Meganyctiphanes norvegica and Thysanoessa raschii were collected at seven sites from the mouth of the Saguenay River to Baie des Outardes. Larvae were removed from euphausiids by means of a modified Baermann apparatus filled with a pepsin-HCl digest solution. Abundances of larvae in euphausiids ranged from 0 to 58.2 × 10-5. Larvae (N = 100) were in the third stage (bearing one cuticle) or moulting from the second stage to the third stage (bearing two cuticles). Euphausiids, particularly T. raschii, wh

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