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Journal articles on the topic 'Suspension medium'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Fayziev, Bekzodjon, Jamol Makhmudov, Jabbor Mustofoqulov, Tulkin Begmatov, and Rakhmon Safarov. "Numerical Investigation of the Two-Component Suspension Filtration in a Porous Medium Taking into Account Changes in the Characteristics of the Porous Medium." WSEAS TRANSACTIONS ON FLUID MECHANICS 18 (December 22, 2023): 214–20. http://dx.doi.org/10.37394/232013.2023.18.20.

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The paper explores a mathematical model of the filtration of dual-component suspension within a porous medium characterized by two distinct zones. This model encompasses mass balance equations of suspended particles, kinetic equations of deposition formation for both reversible and irreversible deposition types for each suspension component, and incorporates Darcy’s law. In order to solve the problem, we formulate a numerical algorithm for computer-based experimentation on the basis of the finite difference method. Through the analysis of numerical findings, we establish key features of two co

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Khuzhayorov, Bakhtiyor, Bekzodjon Fayziev, Gafurjan Ibragimov, and Norihan Md Arifin. "A Deep Bed Filtration Model of Two-Component Suspension in Dual-Zone Porous Medium." Applied Sciences 10, no. 8 (2020): 2793. http://dx.doi.org/10.3390/app10082793.

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In the paper, a mathematical model for the filtration of two-component suspensions in a dual-zone porous medium is considered. The model consists of the mass balance equations, the kinetic equations for active and passive zones of porous medium for each component of the suspension and Darcy’s law. To solve the problem, a numerical algorithm for computer experimentation is developed on the basis of finite difference method. Based on numerical results, the main characteristics of suspension filtration in a porous medium are established. Influences of model parameters on transport and deposition

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Berlin, J., C. Rügenhagen, M. Rippert, and S. Erdogan. "Effects of Culture Conditions on Isoflavonoid Levels of Transformed and Non-Transformed Cultures of Lupinus -a Comparison of Suspension and Hairy Root Cultures." Zeitschrift für Naturforschung C 46, no. 9-10 (1991): 735–42. http://dx.doi.org/10.1515/znc-1991-9-1004.

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Abstract Some highly productive suspension and hairy root cultures were found among several transformed cultures of Lupinus polyphyllus and L. hartwegii. A transformed suspension culture Lupo 30150 and a root culture Luha 15834 containing the highest specific isoflavone glucoside content were characterized and compared with normal phytohormone-dependent lines with respect to product stability as well as to their responsiveness to external triggers, e.g. response to changes in the medium. While phytohormone-dependent suspension cultures lost their initial ability to form increased levels of i

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Sahu, Yogesh, Arvind Singh Jadon, Prateek Jain, Bhupendra Singh Thakur, Basant Khare, and Anushree Jain. "An Overview on Recent Advances in Pharmaceutical Suspensions." International Journal of Medical Sciences and Pharma Research 7, no. 1 (2021): 1–3. http://dx.doi.org/10.22270/ijmspr.v7i1.54.

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The suspension is a biphasic liquid or semi-solid dosage form where the finely divided insoluble solid drug particles are homogeneously dispersed in a liquid or semi-solid medium. The solid drug particles act here as the dispersed phase and the liquid or the semi-solid as the dispersion medium. The particle diameter in a suspension is usually greater than 0.5 µm. However, it is difficult and also impractical to impose a sharp boundary between the suspensions and the dispersions having finer particles. Suspensions are an important class of pharmaceutical dosage forms. The advantages of suspensi

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5

May, Roger A., and Kenneth C. Sink. "DIRECT SOMATIC EMBRYOGENESIS FROM PROTOPLASTS DERIVED FROM EMBRYOGENIC SUSPENSION CULTURES OF ASPARAGUS OFFICINALIS L." HortScience 28, no. 5 (1993): 499b—499. http://dx.doi.org/10.21273/hortsci.28.5.499b.

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Embryogenic callus from four asparagus genotypes (JG8, MD10, MD22, and 86SOM1) was initiated from micropropagated spears placed on semisolid LS medium containing 5 μM 2,4-D or 50 μM NAA, concomitantly. After three subcultures such cells were used to initiate suspensions in liquid medium of the same composition. The eight sets of suspensions were used as sources of protoplasts at two months of age and again at five months. Protoplasts were immobilized at 105/ml density in MS medium with 0.6% agarose and overlaid with liquid KM medium containing the auxin of the corresponding donor suspension or

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Chen, Wusi, Jeffrey G. Norcini, Robert S. Kalmbacher, and James H. Aldrich. "Somatic Embryogenesis and Plant Regeneration of Wiregrass (Aristida stricta) and Creeping Bluestem (Schizachyrium scoparium var. stoloniferum)." HortScience 33, no. 3 (1998): 479a—479. http://dx.doi.org/10.21273/hortsci.33.3.479a.

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Initiation of callus and induction of embryogenesis were achieved from both wiregrass and creeping bluestem. MS basal medium containing coconut milk, sucrose, and 2,4-D were used to initiate callus from young inflorescence of wiregrass and creeping bluestem. The presence of 2,4-D was found to be essential for the induction and early development of embryoids, possibly up to the globular stage. In the case of bluestem, initiation of embryogenic callus required the presence of a low concentration of BA; using only 2,4-D resulted in more non-embryogenic callus. More globular embryos were formed wh

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7

Gubaidullin, D. A., and D. A. Tukmakov. "Numerical Investigation of the Mass Transfer of Dispersed Particles during the Passage of a Shockwave in a Mono and Polydisperse Gas Suspension." Прикладная математика и механика 87, no. 3 (2023): 461–74. http://dx.doi.org/10.31857/s0032823523030050.

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The paper numerically simulates the propagation of a shock wave through a gas suspension. The carrier medium was described as a viscous, compressible, heat-conducting gas. The mathematical model implemented a continuum method for the dynamics of multiphase media, taking into account the interaction of the carrier medium and the dispersed phase. The mass transfer of disperse inclusions suspended in the gas, caused by the interaction of the shock wave with monodisperse gas suspensions and with gas suspensions having a multi-fractional composition, was modeled. Differences in the mass transfer of

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8

Teng, Whei-Lan, Yann-Jiun Liu, and Tai-Sen Soong. "Rapid Regeneration of Lettuce from Suspension Culture." HortScience 27, no. 9 (1992): 1030–32. http://dx.doi.org/10.21273/hortsci.27.9.1030.

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An efficient method for the regeneration of shoots directly from cell suspensions of three commercial cultivars of lettuce (Lactuca sativa L. cv. Great Lakes 659-700, Salad Bowl, and Prize Head) is described. Cell suspensions were prepared by osterizing cotyledon-derived callus for 60 seconds. The effects of callus quality, light intensity, carbohydrate type and concentration, auxins, and cytokinins on cell growth and differentiation in the suspension culture were examined. Among these factors, callus quality and carbohydrates were the most critical. The optimal medium for regeneration of shoo

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9

E., Vishala, Vadlapudi Kumar, Ruksana F., et al. "Hemolytic saponins product enhancement in Gnidia glauca (Fresen.) Gilg cell suspension cultures." Biomedicine 43, no. 01 (2023): 291–98. http://dx.doi.org/10.51248/.v43i01.2298.

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Introduction and Aim: Gnidia glauca (Fresen.) Gilg of thymelaeaceae is enlisted as an endangered plant. Hemolytic triterpenoid saponins of oleanane and ursane classes are present in G. glauca. The purpose of the present study is to increase the production of hemolytic triterpenoids in vitro using salicylic acid as an elicitor in G. glauca cell suspensions. Materials and Methods: Explants were collected and surface sterilized, then inoculated onto Murashige and Skoog medium for callus culture, further establishing suspension cultures that were treated with salicylic acid. Saponins produced in t

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10

Doye, Pakpi, Tanya Mena, and Nilimanka Das. "FORMULATION AND BIO-AVAILABILITY PARAMETERS OF PHARMACEUTICAL SUSPENSION." International Journal of Current Pharmaceutical Research 9, no. 3 (2017): 8. http://dx.doi.org/10.22159/ijcpr.2017.v9i3.18892.

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The suspension is a biphasic liquid or semi-solid dosage form where the finely divided insoluble solid drug particles are homogeneously dispersed in a liquid or semi-solid medium. The solid drug particles act here as the dispersed phase and the liquid or the semi-solid as the dispersion medium. Suspensions contribute to pharmaceutical dosage form development by supplying drugs that are insoluble in all acceptable medium and often distasteful. Suspension translates such drugs into more bio-available form when compared to capsules, tablets, coated tablets, enteric coated tablets and sustained re

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11

Nugroho, Pipit Wahyu. "Analisis Getaran Kendaraan Sistem Satu Roda dalam tinjauan Dua Derajat Kebebasan." Jurnal Energi dan Teknologi Manufaktur (JETM) 2, no. 01 (2019): 31–36. http://dx.doi.org/10.33795/jetm.v2i01.34.

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The comfort of the vehicle passenger of the vehicle and its stability are the important variables that are always needed by everyone who uses transportation. In order to achieve this goal, the suspension of the vehicle will play an important role because its function is to isolate passengers from the effects of excitation from outside the vehicle and also to control the wheels attached to the road surface. Therefore in this study, the influence of various types of suspensions on vehicle vibrations is observed in terms of comfort and stability. The type of suspension in this study is rela

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12

Pryazhnikov, Maxim I., Andrey V. Minakov, Andrey I. Pryazhnikov, Ivan A. Denisov, and Anton S. Yakimov. "Microfluidic Study of the Effect of Nanosuspensions on Enhanced Oil Recovery." Nanomaterials 12, no. 3 (2022): 520. http://dx.doi.org/10.3390/nano12030520.

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The essential advantages of microfluidic studies are the excellent visualization of the processes of oil displacement from the porous medium model, simple cleaning, and the possibility of the repeated use of the microfluidic chip. The present article deals with the process of oil displacement by suspension flooding using a microfluidic chip, simulating a porous medium, and the suspensions of silicon dioxide nanoparticles (22 nm). The mass concentration of nanoparticles in suspensions ranged from 0.1 to 2 wt%. Five mass concentrations (0.125 wt%, 0.25 wt%, 0.5 wt%, 1 wt% and 2 wt%) were conside

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13

Lukutsova, N. P., R. A. Efremochkin, and S. N. Golovin. "Study of the Suspension Stability of Titanium Dioxide of Anatase Modification for Self-Purifying Fine Concrete." Solid State Phenomena 299 (January 2020): 157–62. http://dx.doi.org/10.4028/www.scientific.net/ssp.299.157.

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The suspension stability of the titanium dioxide of anatase modification, obtained by ultrasonic dispersion (USD) at the ultrasound frequency of 35 kHz in the aqueous medium of the stabilizer for self-purifying fine concrete as a finishing material for building envelope, is studied. The extreme dependence of the zeta potential on the ultrasonic dispersion parameters of titanium dioxide in the aqueous medium of the surfactant on the basis of sodium salts of naphthalene sulfonic acid and formaldehyde condensation products is established. Various variants of the sequence of the surfactant introdu

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14

Truby, J. M., S. P. Mueller, E. W. Llewellin, and H. M. Mader. "The rheology of three-phase suspensions at low bubble capillary number." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 471, no. 2173 (2015): 20140557. http://dx.doi.org/10.1098/rspa.2014.0557.

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We develop a model for the rheology of a three-phase suspension of bubbles and particles in a Newtonian liquid undergoing steady flow. We adopt an ‘effective-medium’ approach in which the bubbly liquid is treated as a continuous medium which suspends the particles. The resulting three-phase model combines separate two-phase models for bubble suspension rheology and particle suspension rheology, which are taken from the literature. The model is validated against new experimental data for three-phase suspensions of bubbles and spherical particles, collected in the low bubble capillary number reg

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15

Greer, Ann Francine, and Zohreh Tabaeizadeh. "Characterization and plant regeneration of cell suspension cultures of Lycopersicon chilense." Canadian Journal of Botany 69, no. 10 (1991): 2257–60. http://dx.doi.org/10.1139/b91-283.

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To produce calli for the establishment of a cell suspension, leaf, stem, and petiole explants of Lycopersicon chilense Dun., grown in vitro and in the soil, were cultured on media containing 15 different combinations of benzylaminopurine, kinetin, and indole acetic acid. Among the three types of tissues, leaf explants showed the best response. Cell suspension cultures of L. chilense were established from leaf callus derived from soil grown plants using Murashige and Skoog's medium supplemented with casein hydrolysate (250 mg/L), coconut water (5%), and 2,4-dichlorophenoxyacetic acid (2 mg/L).

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16

Stano, J., K. Mičieta A Barth, M. Valšíková, M. Fulmeková, P. Matejka, and M. Varadínová. "Identification of sucrase activity in cell suspension and culture medium of melon." Horticultural Science 32, No. 3 (2011): 104–7. http://dx.doi.org/10.17221/3774-hortsci.

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The activity of (soluble acid) sucrase was detected in a culture medium of the cell suspension culture of watermelon (Citrullus vulgaris L.). A&nbsp;simple and rapid procedure for the identification and determination of extracellular sucrase from a&nbsp;culture medium of watermelon cell suspension cultures is described. Sucrose was used as a substrate for the determination of extracellular and intracellular activities of the enzyme. Intracellular activity was estimated from the cell suspension. The results show a 91.5&ndash;92.0% intracellular and 8.0&ndash;8.5% extracellular d

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17

Han, Gui Quan, Zhao Xiang Han, Dong En Zhang, Chong Cui, and Zeng Zhi Zhang. "Effect of Micro-Organism on the Process of Water Storage and Controlled-Release Film’Degradation." Advanced Materials Research 356-360 (October 2011): 484–87. http://dx.doi.org/10.4028/www.scientific.net/amr.356-360.484.

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Water Storage and Controlled-release Film (WSCF) is a new kind of polymer composite with the function of releasing water slowly in a given period. Micro-organism culture was carried out to study the process of film’s degradation. The results showed that the degradation rate of WSCF added with fungi suspension was increased by 0.6% more than that of WSCF without fungi suspension. The degradation rate of WSCF added with soil suspension was increased by about 1% more than the film without soil suspension. Compared different culture mediums, the order of degradation rates of WSCF was: bacteria med

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18

Kuzmina, Liudmila, and Yuri Osipov. "Model of suspension displacement in a porous medium." MATEC Web of Conferences 251 (2018): 04016. http://dx.doi.org/10.1051/matecconf/201825104016.

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The displacement of monodisperse suspension by clean water in a porous medium, accompanied by the formation of deposit is considered. A flow of water is supplied at the inlet of the porous medium filled with suspension. The suspension is displaced by water moving at a constant velocity. A mathematical model of deep bed filtration of suspension in a porous medium based on size-exclusion mechanism of particle retention and pore clogging is formulated. It is proved that in the suspension area the solution depends only on time, and in the clean water area – only on the distance to the porous mediu

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Lisovskaya, I. L., E. S. Shurkhina, V. M. Nesterenko, J. M. Rozenberg, and F. I. Ataullakhanov. "Determination of the content of nonfilterable cells in erythrocyte suspensions as a function of the medium osmolality." Biorheology: The Official Journal of the International Society of Biorheology 35, no. 2 (1998): 141–53. http://dx.doi.org/10.1177/0006355x1998035002002.

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The results of most filtration assays for deformability of erythrocytes do not distinguish whether the entire population or only its small fraction exhibits abnormal rheological properties. We developed a simple filtration method for determination of the percentage of nonfilterable cells in erythrocyte suspension using membrane filters with mean pore diameter of 3.1 $\mu$ m. This method makes it possible to detect even minor abnormal subpopulations in erythrocyte suspensions. The flow rate of buffer depends on the number of free pores of a filter. The plot of the number of pores clogged by non

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Umpeleva, Tatiana V., N. I. Eremeeva, and D. V. Vakhrusheva. "Development of technology for longterm storage of Mycobacterium tuberculosis cultures." Clinical Microbiology and Antimicrobial Chemotherapy 23, no. 4 (2021): 404–8. http://dx.doi.org/10.36488/cmac.2021.4.404-408.

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Objective. To develop a technology for freezing and long-term storage of mycobacteria cultures and implement into a microbiological laboratory routine practice. Materials and Methods. For comparison between different condition, the media for freezing mycobacteria containing 0.9% NaCl or Middlebrook’s 7H9 medium with the addition of glycerol at various concentrations: 0%, 4.0%, 20.0%, 50.0% (by final volume) was evaluated. To freeze suspensions of cultures, two methods were used: one – using a cryo-freezer (cooling rate of 1°C/min), the second – direct placement in a deep freeze at a temperatur

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Havinal, A. M., R. Hiremath, and V. Mannur. "DEVELOPMENT AND EVALUATION OF VYOSHADI SUSPENSION – A POLYHERBAL FORMULATION." INDIAN DRUGS 51, no. 08 (2014): 35–39. http://dx.doi.org/10.53879/id.51.08.10108.

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Vyoshadi churna is a polyherbal formulation explained in the context of Pinasa (Coryza), Pratishyaya (Rhinitis), Swarabheda (hoarsness of voice), kasa (cough) etc. Most of the drugs in the formulation are bitter and pungent in taste and churna is difficult to administer, especially in pediatric and geriatric age groups. Suspensions are biphasic liquid dosage forms wherein active drug is in the dispersed phase and a suitable vehicle to carry the drug is the dispersion medium. Suspension can mask the unpalatable taste and has greater bioavailability than other dosage forms. An attempt was made h

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Arkhipova, Ekaterina N., Alexander Y. Gilmanov, and Alexander P. Shevelev. "Solution of the problem with a small parameter in suspension filtration in a porous medium." Bulletin of the Tomsk Polytechnic University Geo Assets Engineering 335, no. 10 (2024): 7–18. http://dx.doi.org/10.18799/24131830/2024/10/4421.

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Relevance. The necessity to calculate the changes in filtration properties during injection of suspensions for subsequent forecasting of technological parameters of wells. This calculation is complicated by the presence of different-scale effects, since the penetration depth of dispersed particles is orders of magnitude smaller than the characteristic dimensions of the formation. These effects have not been studied in detail before. Aim. To analyze the effect of a small parameter on the behavior of flow characteristics using a mathematical model of suspension filtration in a porous medium. Obj

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Tabakova, Vesela, Christina Klug, and Thomas H. Schmitz. "Injection 3D Printing of Doubly Curved Ceramic Shells in Non-Synthetic Particle Suspensions." Materials 17, no. 16 (2024): 3955. http://dx.doi.org/10.3390/ma17163955.

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This paper examines the application of non-synthetic particle suspensions as a support medium for the additive manufacturing of complex doubly curved ceramic shells with overhangs between 0° and 90° using clay paste. In this method, the build-up material is injected within a constant volume of air-permeable particle suspension. As the used clay paste does not solidify right after injection, the suspension operates like a support medium and enables various print path strategies. Different non-synthetic suspension mixtures, including solid and flexible components such as quartz sand, refractory

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Dmitriev, Pavel, Vladimir Makarov, Sergey Manianin, Anton Klyushkin, Alexander Belyaev, and Alexey Papunin. "Modern trends in the design of leaf spring suspensions of trucks." E3S Web of Conferences 402 (2023): 04008. http://dx.doi.org/10.1051/e3sconf/202340204008.

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The article provides an analysis of the improvement of methods for calculating of leaf spring suspensions in retrospect; features of modern calculation methods and own experience in developing of a spring suspension design for a medium-tonnage truck with a gross weight of 6 tons.

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Afshar-Sterle, Shoukat, James F. Kollmorgen, and Geoffrey B. Fincher. "Establishment of Fine Suspension Cultures of Triticum tauschii ([Coss.] Schmal.) which remain Embryogenic for Several Years." Australian Journal of Botany 47, no. 4 (1999): 611. http://dx.doi.org/10.1071/bt97109.

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Immature embryos of 10 accessions of Triticum tauschii, the D genome donor of Triticum aestivum, were used to produce embryogenic callus for the initiation of suspension cultures. For the long-term maintenance of embryogenicity of these suspensions, it was necessary to use different media for the initiation, establishment and maintenance phases. The initiation phase required media supplemented with L-proline, L-asparagine and L-glutamine, together with Dicamba at 12 mg L −1 and maltose. In the establishment phase, it was essential to reduce the concentration of Dicamba to 6 mg L −1 for the rap

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26

Ряжских, А. В. "Математическая модель фракционирования малоконцентрированной дисперсной фазы суспензии в плоском вертикальном гидроклассификаторе". Журнал технической физики 90, № 8 (2020): 1276. http://dx.doi.org/10.21883/jtf.2020.08.49536.3-20.

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Based on the hypothesis of a continuous continuum and balance of phase flows, a mathematical model of the transfer of a low-concentration suspension in the absence of mixing in a flat vertical gravity classifier with a laminar flow regime of a carrier medium without limitation on the sedimentation rate of particles is proposed. Analytical relations are obtained for calculating local countable functions of the particle size distribution density. A computational experiment confirmed the fractionation of a monodisperse suspension and the presence of small particles in the “heavy” fraction of poly

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Attree, S. M., D. I. Dunstan, and L. C. Fowke. "Initiation of embryogenic callus and suspension cultures, and improved embryo regeneration from protoplasts, of white spruce (Picea glauca)." Canadian Journal of Botany 67, no. 6 (1989): 1790–95. http://dx.doi.org/10.1139/b89-227.

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Rapid and high frequency somatic embryo regeneration from protoplasts isolated from 10 embryogenic cell lines of white spruce (Picea glauca) is reported. Embryogenic callus was initiated from immature zygotic embryos as source material for protoplast isolation. Individual cell lines exhibited different capabilities for sustained growth. Protoplast plating efficiencies depended on the concentrations of macroelements included in the medium. Using a medium with reduced salts, individual protoplasts developed directly into embryos with no disorganized growth period. Protoplasts from newly establis

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Aspuria, Evalour, Emmanuel Bernardo, and Maria Angie Tayangona. "Development of a Cell Suspension Protocol for Abaca (Musa textilis Nee ‘Inosa’)." Philippine Agricultural Scientist 103, no. 3 (2020): 179–90. https://doi.org/10.62550/ev10053019.

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A protocol for the establishment of embryogenic cell suspension in abaca was developed based on the International Network for the Improvement of Banana and Plantain (INIBAP) procedure for Musa. Meristematic buds from shoot cultures were excised and cultured on P5 medium for several cycles until ‘scalps’ formed. These scalps were then used to produce embryogenic complexes (ECs) in 2,4-D-containing media. Discrete primary somatic embryos (SEs) were observed on ECs 3–4 wk after initial culture. After 6 mo, 6 % of the 150 inoculated scalps formed into ECs that had at least 10 SEs. These were then

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Oliynyk, O. Yu, and Yu K. Taranenko. "A Computer Model of the Dynamics of a Heterogeneous Liquid-Solid Medium in a Technological Apparatus with Bubbling." Metrology and instruments, no. 2 (May 21, 2020): 51–56. http://dx.doi.org/10.33955/2307-2180(2)2020.51-56.

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The article is devoted to the development of a computer model of the dynamics of a heterogeneous liquid-solid medium in a technological apparatus with bubbling. In a heterogeneous bubbler medium, the known methods of environmental control are difficult to implement and practically unsuitable for control in the flow of the medium; therefore, new approaches to the implementation of the software and hardware complex of information systems are necessary. Existing mathematical not take into account the change in the concentration of the liquid due to the formation of solid suspensions include

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Hernández, Yesid, Sonia Moreno, and Rafael Molina. "Modifying bentonite with Al-Fe from concentrated clay suspensions." Ingeniería e Investigación 25, no. 1 (2005): 49–57. http://dx.doi.org/10.15446/ing.investig.v25n1.14623.

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This article reports modifying a Colombian bentonite with an Al-Fe mixture from 10% and 50% p/p clay suspensions as well as dry material, using water or acetone as dispersal phase. The solids thus obtained were characterized using atomic absorption, residual cationic interchange ability and x-ray diffraction. Catalytic activity was evaluated regarding phenol oxidation reaction with hydrogen peroxide in diluted aqueous medium. The results indicated that solids prepared in concentrated suspension presented structural, textural and catalytic properties comparable with modified solids in diluted s

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Pan, Hongliang, Junqi Xu, Haitao Huang, and Zhao Xu. "Study on reliability analysis of suspension controller of the medium and low speed maglev vehicle." Transportation Systems and Technology 4, no. 3 suppl. 1 (2018): 253–63. http://dx.doi.org/10.17816/transsyst201843s1253-263.

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Suspension controller is the core device of suspension system of the medium and low speed maglev vehicle, its reliability directly affects the stability, reliability and safety operation of the whole medium and low speed maglev train. Reliability analysis is of great theoretical and practical value for improving the performance of the suspension controller. Taking Hunan Changsha maglev express as an application case, based on the mechanism and functional structure of the suspension controller, the reliability of the suspension controller is analyzed and studied. According to the Chinese

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Tautorus, T. E., L. C. Fowke, and D. I. Dunstan. "Comparative studies of protoplast development in jack pine (Pinus banksiana)." Canadian Journal of Botany 68, no. 8 (1990): 1774–79. http://dx.doi.org/10.1139/b90-229.

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Protoplasts were isolated either from the cotyledons of 8- to 10-day-old seedlings, or from cell suspensions, initiated from seedlings of the same open-pollinated seedlot of jack pine (Pinus banksiana Lamb.). Protoplast yields were 2.0 – 7.0 × 105/g fresh wt. for cotyledon-derived, and 0.3–5 × 105/g fresh wt. for suspension-derived protoplasts. Cotyledon protoplasts (6.8%) divided after 5 to 8 days incubation in liquid Lainé medium C with 450 mM glucose as osmoticum. Small clusters of 6 to 10 cells, which were observed after approximately 2 weeks, formed microcalli upon further dilution of the

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Goel, Sneha, Stefan Björklund, Nicholas Curry, et al. "Axial Plasma Spraying of Mixed Suspensions: A Case Study on Processing, Characteristics, and Tribological Behavior of Al2O3-YSZ Coatings." Applied Sciences 10, no. 15 (2020): 5140. http://dx.doi.org/10.3390/app10155140.

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Thermal spraying deploying liquid feedstock offers an exciting opportunity to obtain coatings with characteristics vastly different from those produced using conventional spray-grade powders. The most extensively investigated variant of this technique is Suspension Plasma Spraying (SPS), which utilizes a suspension of fine powders in an appropriate medium. The relatively recent advent of axial feed capable plasma spray systems can enable higher throughputs during SPS, provides the possibility for spraying with longer stand-off distances, and also permit the use of suspensions with higher solid

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Kumar, Prince, and Madhu Verma. "Pharmaceutical Suspensions: An Updated Patent Review on Novel Suspending Agents and Recent Advancement." Recent Advances in Drug Delivery and Formulation 17, no. 3 (2023): 193–209. http://dx.doi.org/10.2174/0126673878246149231010085610.

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Abstract: A wide variety of dosage forms are used for the oral administration of drugs to humans and animals. Apart from solid dosage forms, it also includes liquid dosage forms, such as solutions, suspensions, and emulsions. The selection is based on the physiochemical attributes of the therapeutically active ingredient. Suspensions are classified as dispersed systems that are heterogeneous in nature and consist of two phases. One phase is the continuous phase, the dispersion medium, or the external phase, which is either liquid or semisolid; the other is a solid particle dispersed in the ext

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Wallengren, N. O., S. Holtås, Å. Andrén-Sandberg, and T. Bach-Gansmo. "Mr Imaging of the Pancreas AT 0.3 T Using a Super-Paramagnetic Oral Contrast Medium." Acta Radiologica 35, no. 2 (1994): 147–51. http://dx.doi.org/10.1177/028418519403500209.

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Twenty patients with carcinoma of the pancreas identified with ultrasonography and/or CT and confirmed by histology, were examined with MR before and after administration of an oral superparamagnetic contrast medium. Ten patients were examined after administration of the contrast medium through a duodenal tube. Ten patients drank the contrast medium mixed with a viscosity-increasing agent. Organ delineation and diagnostic information were improved in the postcontrast scans in both groups and the viscous contrast suspension yielded better delineation and diagnostic information than the aqueous

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Bundithya, W., and S. L. Kitto. "OPTIMAL CONDITIONS FOR CELL SUSPENSION CULTURES OF THLASPI CAERULESCENS AND BRASSICA NAPUS." HortScience 30, no. 2 (1995): 186b—186. http://dx.doi.org/10.21273/hortsci.30.2.186b.

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Thlaspi caerulescens (Brassicaceae), known as a Zn hyper accumulator, is able to accumulate and tolerate Zn, Ni, Cu, and Cd at high concentrations in its biomass. We are examining the feasibility of using cell suspensions of T. caerulescens and B. napus to study the effect of selected heavy metals on growth and nutrient uptake. Callus was initiated by culturing seedlings on basal medium containing MS salts supplemented with MS or B5 vitamins, 1, 2, 5, or 10 mg 2,4-D/liter, and 0.7% Phytagar. Cell suspensions were initiated by transferring calli to liquid basal medium containing MS or B5 vitami

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Яременко and Yuriy Yaremenko. "Fluorescent Magnetic Particle Suspension for Indications Detection on the Extra Illuminated Working Area." NDT World 19, no. 3 (2016): 47–48. http://dx.doi.org/10.12737/21161.

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Application of fluorescent magnetic suspensions for magnetic particle examination increases process productivity because it eliminates the need to apply (and subsequently remove) priming paint for contrasting white background creating on the tested surface. To obtain contrast fluorescent indications it is necessary to ensure sufficient darkness for the working area. However it is practically impossible to provide the necessary darkness while testing large-size welded and cast products in the industrial premises. The aim of this work was to develop oil-based fluorescent suspension with fluoresc

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Tukmakov, D. A. "COMPARISON OF COMPUTER IMPLEMENTATIONS OF EQUILIBRIUM AND CONTINUOUS METHODS FOR MODELING MULTI-PHASE MEDIA ON THE EXAMPLE OF A ONE-DIMENSIONAL UNSTATIONARY GAS SUSPENSION FLOW." Bulletin of the South Ural State University. Ser. Computer Technologies, Automatic Control & Radioelectronics 23, no. 3 (2023): 59–75. http://dx.doi.org/10.14529/ctcr230306.

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The work is devoted to the problems of mathematical modeling of hydrodynamic processes in inhomogeneous media. The purpose of the study is to compare the techniques for modeling the flows of inhomogeneous media. The continuum and equilibrium methods of modeling the dynamics of a gas suspension – a gas with dispersed inclusions – were compared. Comparisons were made between calculations carried out by an equilibrium mathematical model of the dynamics of gas suspensions with numerical implementations of continual mathematical models of the dynamics of gas suspensions with an ideal and viscous he

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Pham, Tram Thi My, and Tien Thi Thuy Le. "STUDYING ON GROWTH OF STRAWBERRY (FRAGARIA ANANASSA L.) CELL SUSPENSION CULTURES FOR ANTHOCYANIN PRODUCTION." Science and Technology Development Journal 15, no. 2 (2012): 69–77. http://dx.doi.org/10.32508/stdj.v15i2.1802.

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Cell suspension cultures were initated from calli derived from in vitro strawberry leaves on MS medium (Murashige and Skoog, 1962) supplemented with 30 g/l sucrose, 1.0 mg/l 2,4-D and 0.3 mg/l kinetin. There were many factors affected on cell suspension cultures growth (it was found that …). Cell suspension cultures grew better on MS medium with 30 g/l sucrose. 1 g (fresh weight) of cells in 20 ml of medium was the best initial inoculum cell density for cell suspension cultures to grow. A shaking speed of 100 rpm on rotary shaker was suitable for the cells. The growth of cell suspension in dar

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Golubev, V. I. "Pore space colmatation during the bimodal suspension flow through the porous medium." Computational Mathematics and Information Technologies 3, no. 2 (2019): 67–75. http://dx.doi.org/10.23947/2587-8999-2019-2-2-67-75.

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Tran, Minh Van. "MICROPROPAGATION OF PHALAENOPSIS SPP. BY SOMATIC EMBRYOGENESIS TECHNIQUE." CBU International Conference Proceedings 6 (September 25, 2018): 1185–91. http://dx.doi.org/10.12955/cbup.v6.1313.

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Phalaenopsis spp. was regularly produced through micropropagation by protocorm like bodies (PLBs); micropropagation takes a lot of labor, and has high cost of seedlings, energy and material. The purpose of this paper was to study the new technique of using in vitro embryogenesis culturing for microprogation. The method involved using protocorm like bodies as planting materials. PLBs were cut into slices and placed on the medium for callus initiation. The callus was initiated on the medium MS + BA (0.1 mg/l) supplemented with NAA (1 mg/l) or 2,4D (1 mg/l) and was proliferated on the medium MS +

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Rybczyński, Jan J., Andrzej Kaźmierczak, Katarzyna Dos Santos Szewczyk, Wojciech Tomaszewicz, Małgorzata Miazga-Karska, and Anna Mikuła. "Biotechnology of the Tree Fern Cyathea smithii (J.D. Hooker 1854; Soft Tree Fern, Katote). II. Cell Suspension Culture: Focusing on Structure and Physiology in the Presence of 2,4-D and BAP." Cells 11, no. 9 (2022): 1396. http://dx.doi.org/10.3390/cells11091396.

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The aim of our research was to describe the structure and growth potential of a cell suspension of the tree fern Cyathea smithii. Experiments were performed on an established cell suspension with ½ MS medium supplemented with 9.05 µM 2,4-D + 0.88 µM BAP. In the experiments, attention was paid to the microscopic description of cell suspension, evaluation of cell growth dependent on the initial mass of cells and organic carbon source in the medium, the length of the passage, the content of one selected flavonoid in the post-culture medium, nuclear DNA content, ethylene production, and the antimi

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Wang, Haoyang, Tao Shen, Jinkun Liu, Yan Zhu, Hong Li, and Tianwu Wang. "Enhancement of Terahertz Emission by Silver Nanoparticles in a Liquid Medium." Micromachines 14, no. 8 (2023): 1593. http://dx.doi.org/10.3390/mi14081593.

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Due to higher molecular density, lower ionization potential, and a better self-healing property compared with gases, liquid targets have been used for laser-induced terahertz generation for many years. In this work, a liquid target used for terahertz radiation is embedded with silver nanoparticles (Ag NPs), which makes the material have both the fluidity of liquids and conductivity of metals. Meanwhile, the experimental setup is easier to implement than that of liquid metals. Polyvinyl alcohol (PVA) is used as a stabilizing agent to avoid precipitation formation. It is observed that the power

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Bulat, A. F., V. P. Nadutyi, V. V. Chelyshkina, and V. S. Kurilov. "Determination of characteristic properties of mineral suspension for calculating the particle velocity." Geo-Technical mechanics, no. 152 (2020): 172–83. http://dx.doi.org/10.15407/geotm2020.152.172.

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Calculations of hydraulic devices for separating mineral suspensions and extracting valuable components and waste are based on determining the speed of constrained deposition and surfacing of particles. When determining the speed, it is necessary to know such characteristics of the suspension as viscosity, porosity, density. The article offers a method for analytical calculation of these indicators. Its peculiarity is that the definition of these characteristics is associated with only one parameter – the volume density of the medium (substance). It is easily determined in practice by weighing

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Taylor, PWJ, HL Ko, and SW Adkins. "Factors Affecting Protoplast Isolation and the Regeneration of Shoot-Like Structures From Protoplast-Derived Callus of Sugarcane (Saccharum spp Hybrids)." Australian Journal of Botany 40, no. 6 (1992): 863. http://dx.doi.org/10.1071/bt9920863.

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High yields of protoplasts were isolated from non-regenerable, homogeneous cell suspension cultures of sugarcane, compared with regenerable, heterogeneous cell suspension cultures after incubation in an enzyme composition containing Cellulase RS, Pectinase, Macerozyme and Driselase. Higher yields of protoplasts were released from heterogeneous cell suspension cultures after the addition of 10 mg L-1 silver nitrate to the culture medium; however, ethylene production was not involved in protoplast isolation. Use of 0-05-2% Pectolyase Y23 pectinase rather than other pectinases resulted in higher

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Negrete, Alejandro, Tau Chuan Ling, and Andrew Lyddiatt. "Production of Adenoviral Vectors in 293 Cells: A Case Study of the Adaptation of Attached Cells to Grow in Suspension." Open Biotechnology Journal 2, no. 1 (2008): 29–35. http://dx.doi.org/10.2174/1874070700802010029.

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A study of the production of adenoviral vectors in suspension 293 cells has been explored. A defined serumfree medium (293 SFM II) formulated without human or animal origin components from Invitrogen was used for the suspension adapted 293 cells. It was demonstrated that the 293 cells can be adapted to grow in suspension using serum free medium. The effect of different cell culture parameters was determined. The production technique demonstrated here is expected to simplify purification processes and circumvents the problems associated with serum containing medium.

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Polivanova, Oksana B., Mikhail Yu Cherednichenko, and Daria A. Khlebnikova. "Callus Induction and Establishing Cell Suspension Culture of Agastache J.Clayton Ex Gronov." BIO Web of Conferences 95 (2024): 01005. http://dx.doi.org/10.1051/bioconf/20249501005.

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The aim of this study was to initiate calli formation and cell suspension cultures from some species of Agastache genus. These plants could be useful for a production of bioactive secondary metabolites in vitro. For the initiation of callogenesis, two explant types were tested: leaf and stem explants from 40–60 days old in vitro seedlings. Percentage of callus formation was used as criterion to evaluate the efficiency of callus induction. Leaf- and stem-derived friable calli of A. foeniculum and A. urticifolia cultivated on MS medium supplemented with 0.5 mg/L 2.4-dichlorophenoxyacetic acid an

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Xu, Zi-Qin, Jing-Fen Jia, and Zhi-De Hu. "Enhancement by Osmotic Treatment of Hairy Root Transformation of Alfalfa Suspension Cultures, and Chromosomal Variation in the Transformed Tissues." Functional Plant Biology 24, no. 3 (1997): 345. http://dx.doi.org/10.1071/pp96032.

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Seeds of alfalfa were germinated on Murashige and Skoog medium without phytohormones. The hypocotyls ofseedlings were excised and cultured on the same medium with 2,4- dichlorophenoxyacetic acid (9.05 mM) to induce callus. Granular calluses were suspended and cultured in Schenk and Hildebrandt medium supplemented with 2.26 mM 2,4-dichlorophenoxyacetic acid on a shaker at 80 rpm. Alfalfa suspension cultures were treated with 0.45 M mannitol for 1 h, and washed twice with 0.16 M CaCl2 .2H2 O. After pretreatment, the pellets were resuspended in Schenk and Hildebrandt medium without phytohormone (

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Stano, J., K. Mičieta, E. Tokhtaeva, M. Valšíková, M. Koreňová, and V. Blanáriková. "Demonstration of lactase activity in culture medium of melon cells." Horticultural Science 31, No. 4 (2011): 132–35. http://dx.doi.org/10.17221/3806-hortsci.

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Lactase activity was detected in a&nbsp;culture medium of the cell suspension culture of watermelon (Citrullus vulgaris L.). A&nbsp;simple, rapid and reproducible procedure for identification of extracellular lactase is described using callus cultures of seedlings from the tested plant, hairy roots of 2.5 days old seedlings of watermelon germinating on agar plates as well as cell suspension cultures derived from callus cultures. For the determination of intracellular activities of lactase, 6-bromo-2-naphthyl-&beta;-D-galactopyranoside and p-nitrophenyl-&beta;-D-galactopyranosid

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Ling, Jing-Tian, and Roger J. Sauve. "Plant Regeneration from Cell Suspension Culture of Ulmus americana L." HortScience 32, no. 3 (1997): 461E—461. http://dx.doi.org/10.21273/hortsci.32.3.461e.

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Leaf segments of greenhouse-grown Ulmus americana L. plants cultured on a Murashige and Skoog basal salts medium supplemented with 0.22 mg/L thidiazuron formed friable type of callus and regenerated shoots. This friable callus readily formed a cell suspension when the callus was placed in a liquid MS medium containing 2 mg/L 1-naphthaleneacetic acid and 1 mg/L 6-benzylaminopurine. Shoots were regenerated from 3-month-old suspension cell cultures after the suspension cells had been cultured on solid medium. Shoots developed roots on MS medium containing 0.1 mg/L indole-3-butyric acid. Intact pl

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