Academic literature on the topic 'Multiple shoot induction'
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Journal articles on the topic "Multiple shoot induction"
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Nisayan, E., C. Thepsithar, and A. Thongpukdee. "MULTIPLE SHOOT INDUCTION FROM SEED DERIVED SHOOTS OF PAPHIOPEDILUM." Acta Horticulturae, no. 878 (October 2010): 199–204. http://dx.doi.org/10.17660/actahortic.2010.878.23.
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Hasan, M. F., and B. Sikdar. "In vitro Propagation of Polygonum hydropiper L. from Shoot Tips." Plant Tissue Culture and Biotechnology 20, no. 1 (2010): 73–79. http://dx.doi.org/10.3329/ptcb.v20i1.5970.
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An efficient protocol for plant regeneration through multiple shoots induction from shoot tips of Polygonum hydropiper (L.) was established. The highest percentage (96.6) of multiple shoot induction and number of shoots (9.0) per culture were found on MS supplemented with 2.0 mg/l Kn. The induced shoots were excised and inoculated on to MS contains different concentrations of IBA or NAA for rooting. The highest percentage (90.0) of root induction and the highest number of roots per shoot (12.0) was found on MS having 1.0 mg/l IBA. Well rooted plantlets were acclimated properly and transplanted in the soil under natural condition, where cent per cent plantlets survived and grew successfully. Key words: Polygonum hydropiper, Shoot tips, In vitro propagation D.O.I. 10.3329/ptcb.v20i1.5970 Plant Tissue Cult. & Biotech. 20(1): 73-79, 2010 (June)
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Mangena, Phetole, Phatlane William Mokwala, and Roumiana Vassileva Nikolova. "In vitro Multiple Shoot Induction in Soybean." International Journal of Agriculture and Biology 17, no. 4 (2015): 838–42. http://dx.doi.org/10.17957/ijab/14.0006.
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Ugandhar, T. R., D. Sammaiah, Ramulu Ch Ayodhya, Devi U. Anitha, and P. Balaraju. "Direct multiple shoots proliferation of black night shade (Solanum nigrum l.) from shoot tip explants induced by thidiazuron." Indian Journal of Pharmaceutical and Biological Research 3, no. 01 (2015): 71–76. http://dx.doi.org/10.30750/ijpbr.3.1.11.
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The present investigation was undertaken in Black Night Shade (Solanum nigrum L.) which is an important medicinal plant. Direct multiple shoots proliferation was achieved from shoot tip. The shoot tips were cultured on MS medium fortified with Thidiazuron (TDZ) (1.0-7.0 mg/L) for multiple shoot induction. Multiple shoots proliferation was best observed at 3.0 mg/L TDZ from the shoot tip explants within three weeks of culture. Shoot number per explant ranged between 2 and 10. Individual shoots were aseptically excised and sub cultured in the same media for shoot elongation. The elongated shoots were transferred to Indole Acetic Acid/Indole Butyric Acid (IAA/IBA) (0.5mg/L–2.0mg/L) for root induction. Rooting was observed within two weeks of culture. Rooted plantlets were successfully hardened under culture conditions and subsequently established in the field conditions. The recorded survival rate of the plants was 86%. Plants looked healthy with no visually detectable phenotypic variations.
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Sujatha, G., N. Jayabalan, and D. Ranjitha Kumari B. "Rapid in vitro micropropagation of Cicer arietinum L." Horticultural Science 34, No. 1 (2008): 1–5. http://dx.doi.org/10.17221/1842-hortsci.
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A rapid, simple and efficient protocol for <i>in vitro</i> multiple shoot induction and plantlet regeneration was achieved from three different explants of <i>Cicer arietinum</i>. The explants viz shoot tip, cotyledonary node and node were cultured on MS medium fortified with Benzyl Adenine (BA) (0.44&minus;8.88&mu;M) for multiple shoot induction. Multiple shoots proliferation was best observed at 4.44&mu;M BA from all the three explants within two weeks of culture. Of the three different explants tested, cotyledonary nodes produced the maximum number of shoots. Shoot number per explant ranged between 7 and 15. Individual shoots were aseptically excised and subcultured in the same media for shoot elongation. The elongated shoots were transferred to Indole Butyric Acid (IBA) (2.46&minus;12.30&mu;M) for root induction. Rooting was observed within two weeks of culture. Rooted plantlets were successfully hardened under culture conditions and subsequently established in the field conditions. The recorded survival rate of the plants was 76.3%. Plants looked healthy with no visually detectable phenotypic variations.
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Venkateshwarlu, Mandaloju. "MULTIPLE SHOOT INDUCTION FROM SHOOT TIP EXPLANTS OF ZIZYPHUS MAURITIANA. L." International Journal of Advanced Research 8, no. 8 (2020): 642–45. http://dx.doi.org/10.21474/ijar01/11537.
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Mani, N. Sarada, and Sudhakar R. Pola. "Multiple Shoot Induction from Immature Inflorescence in Sorghum." CYTOLOGIA 68, no. 2 (2003): 199–204. http://dx.doi.org/10.1508/cytologia.68.199.
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Khan, S., TA Banu, S. Akter, et al. "In vitro regeneration protocol of Rauvolfia serpentina L." Bangladesh Journal of Scientific and Industrial Research 53, no. 2 (2018): 133–38. http://dx.doi.org/10.3329/bjsir.v53i2.36674.
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An efficient in vitro regeneration system was developed for Rauvolfia serpentina L. through direct and indirect organogenesis from nodal and leaf explants. Among the different growth regulators, MS medium supplemented with 2.0 mg/l BAP, 0.5mg/l IAA and 0.02mg/l NAA found best for the multiple shoot formation from nodal segments. In this combination 98% explants produced multiple shoots and the average number of shoots per explants is 13∙4. The frequency of callus induction and multiple shoot induction from leaves was highest 88% in MS medium supplemented with 2.0 mg/l BAP, where mean number of shoots/explants was 12.5. The highest frequency of root induction (80%) and mean number of roots/plantlets (10) were obtained on half strength of MS medium containing 0.2 mg/l IBA. The rooted plantlets were transferred for hardening following acclimatization and finally were successfully established in the field.Bangladesh J. Sci. Ind. Res.53(2), 133-138, 2018
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NAKAMURA, Kentaro, Yohichi WAKITA, Shinso YOKOTA, Nobuo YOSHIZAWA, and Toshinaga IDEI. "Induction of Multiple shoots by Shoot Apex Culture in Magnolia obovata Thunb." Plant tissue culture letters 12, no. 1 (1995): 34–40. http://dx.doi.org/10.5511/plantbiotechnology1984.12.34.
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Köse, Merve Şifa Hane, Muhammet Doğan, and Gökhan Sadi. "Multiple shoot induction and plant regeneration of Staurogyne repens (Nees) Kuntze." Eurasian Journal of Biological and Chemical Sciences 3, no. 2 (2020): 106–9. http://dx.doi.org/10.46239/ejbcs.728152.
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Staurogyne repens (Nees) Kuntze is an aquatic plant belonging to Acanthaceae family. It is a valuable plant in the aquarium industry. Therefore, there has been a significant demand for this plant. This study was designed for multiple and efficient productions of S. repens under in vitro conditions. He used nodal meristems as the type of explant. Nodal meristems were preferred as explant type. The explants were transferred to Murashige and Skoog (MS) food media with TDZ single (0-1.50 mg/L) and TDZ (0.25-1.50 mg/L) + IAA (0.25 mg/L) combinations. In TDZ application, the most number of shoots per explant (15.36 shoots/explants) was recorded in cultures with 1.50 mg/L TDZ, while in TDZ + IAA application, the most number of shoots (9.44 shoots/explants) was determined in culture with 1.0 mg/L TDZ + 0.25 mg/L IAA. In general, shoot lengths in TDZ + IAA combination was measured higher than the single application of TDZ. The longest shoot (1.67 cm) was obtained in the culture medium with 1.0 mg/L TDZ + 0.25 mg/L IAA. The extended shoots were transposed to rooting media with 0.25 mg/L IAA, and multiple root formations were determined after four weeks. The rooted plants were transferred to the aquarium and successfully accustomed to ex vitro conditions.
Dissertations / Theses on the topic "Multiple shoot induction"
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Wen-Pein, Huang, and 黃紋培. "Induction of multiple shoot proliferation、adventitious bud and somatic embryogenesis in tissue culture of watermelon." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/08141310128183014121.
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碩士<br>國立臺灣大學<br>園藝學系<br>81<br>That shoot apex about 3 mm in length with partial cotyledon was
cultured on MS medium containing 2 mg/l BA stimulating lateral
bud proliferation. Adding GA 0.1 mg/l could enhance shoot
proliferation, Fifty to eighty budlets were proliferated after
4 to 5 times subculture on MS medium contained GA 0.1mg/l and
BA l. Sucrose was beneficial for cutting grouth and root ,
obtained 96% rooting while 60 g/l sucrose was added in absence
of auxinImmature embryos about 2-4 mm long cultured on medium
contained BA 1 mg/l, Kinetin 0.2 mg/l, NAA 0.5 mg/l and GA 0.1
mg/l, BA 2 mg/l can directly induce adventitious bud formation.
On MS medium containing BA 2mg/l and 2,4-D 0.2 mg/l, 5-day-old
sedling's cotyledon dedifferentated into compact callus, than,
it transfered to medium contained BA 0.2mg/l and 2,4-D 0.1mg/l
could regenerate plantlet on low frequency. leaf of multiple
shoot culture in 2,4-D 、NAA 0.2 mg/l medium was also inducible
to form a lot of budlets, and plantlets on containing NAA 0.6
mg/l, IBA 0.3 mg/l and Kinetin 0.2mg/l medium established. The
10∼20% immature zygote embryos of five cultivans were
indulible to regenerate Somatic embryos. Among basel medium MS.
SH. B5 and NN, only showed that the MS formulation was suitable
for somatic embryo- genesis. In comparation of Cytokinin BA ,
2ip, Kinetin and Zeatin. the former There exhibited more
efficiency than zeatin. The types of auxin also effected the
somatic embryogenesis. NAA showed strength than 2,4-D. and both
IAA and IBA were without effect on induction of somatic
embryogenesis. on MS medium contaning BA 2 mg/l and 2,4-D、NAA
0.2 mg/l, using plantlet's leaves derived from multiple shoot
as explant can induced abnornal Somatic embryos lacking shoot
primordia. On BA 2 mg/l and NAA、2,4-D 0.2 mg/l medium, using
abnormal leaves derived from multiple shoot as explant can
induce abnormal somatic embryos lacking shoot primordia.
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Cheng, Chia-Chin, and 鄭佳綺. "Induction of multiple shoots and proliferation of Acorus macrospadiceus (Yamamoto) F.N.Wei et Y.K.Li." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/09515260247056865455.
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碩士<br>國立中興大學<br>農藝學系<br>94<br>Summary
The leaves and lateral buds of Acorus macrospadiceus were used as materials in this study to establish the optimal protocol for rapid multiplication through induction of multiple shoot. The results were summarized as follows:
However, when leaf explant was used no multiple shoot was induced in all of medium containing different levels of auxin and cytokinin. The lateral bud explants cultured on the media containing 1 mg/L TDZ were induced and averaged 3 shoots per explant.
The regenerated shoot cultured on media with 4 mg/L TDZ had highest proliferation efficiency and averaged 3.51 per explant. The optimal concentration of BA to induced and multiply shoot was at 8 mg/L, averaged 2.73 shoots per explant. However addition of TDZ was found to be better than BA in the rate and number of shoot formation. The results also showed that addition of TDZ or BA alone proliferated more shoots than the combined media with NAA or 2, 4-D and BA.
The highest proliferation efficiency was found in the medium with full MS salt, reached 100% and averaged 3 shoots per explant . Media containing 50 g /L sucrose produced more multiple shoots, averaged 3.37 shoots per explant when sucrose more than 50 g/L inhibited shoot proliferations. Media containing CH proliferated shoot more than peptone and 100 mg/L CH had the best performance averaged 3.27 shoots per explant. Shoot proliferation was inhibited under high CH concentration level.
The averaged shoots induced from shoot explant through four times subculture on media with 2 and 4 mg/L TDZ were ranged 2.86 to 3.03 and ranged 3.43 to 3.56, respectively. The result indicated that shoots can be stable multiplied on medium containing TDZ.
Rooting efficiency of media containing CH and peptone were ranged 83.3 to 100﹪and ranged 76.7 to 96.7﹪, respectively. Regenerated shoot cultured on media with 50 and 100 mg/L CH rooted batter than media containing ascorbic acid (56.7 to 76.7﹪) or NAA and IBA (<45%).
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Chen, Po Yu, and 陳勃聿. "Induction of multiple shoots from the immature embryos of interspeciefic hybrids by Thidiazuron and plants regeneration in peanut." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/19979201804607649763.
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碩士<br>國立中興大學<br>農藝學系<br>90<br>Summary
The immature embryos of interspecific hybrids between cultivar TN11 and six wild type（A. cardenasii, A. rigonii, A. chacoense, A. corrotina, A. spegazzinii and A. monticola） were cultured on MS＋4 mg/l TDZ to induce multiple shoot and bud primordia. The collected bud and bud primordia was them used to investigate the effects of TDZ on shoots induction and proliferation, and to establish plant regeneration technique. The results were summarized as follows:
1. Buds of six interspecific hybrids cultured on MS medium containing different TDZ concentrations to induce multiple shoot. The induced percentage of shoot were significantly different among TDZ levels and crosses, but the averaged shoots were non-significant different. The mean numbers of bud primordia cultured on MS media supplemented with TDZ were significantly higher than on MS medium. Bud primordia cultured on MS media containing TDZ could induce shoots, but the efficiency was lower than buds as explants.
2. In all crosses, the induced percentage of shoot induced from shoot through three times subculture on MS＋2 mg/l TDZ medium could maintain above 50%, and the averaged shoot was stabilized.
3. TDZ induced the small and thickened multiple shoots, but MS medium without TDZ could increase the induced percentage of shoot and obtained normal shoots. Shoots subcultured with the MS medium without TDZ have the higher rooting percentage compare to MS medium containing TDZ, and root system was more healthy.
4. If the shoots of six interspecific hybrids transferred to MS media containing 50 mg/l ascorbic acid and three levels of NAA, the rooting percentage increased with NAA concentration. The MS medium containing 0.5 mg/l NAA produced the highest percentage of rooting and have more healthy root system. The percentage of rooting of all interspcific crosses were reduced with the subculture generation increased.
5. The recovery percentages of the rooted plantlets were ranged from 32.16% to 54.66% in six interspecific crosses. These plants were demonstrated as interspecific hybrids by chromosome number and morphological characteristics.
Book chapters on the topic "Multiple shoot induction"
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Sri Rama Murthy, K., and D. Raghu Ramulu. "Micropropagation of Stemona tuberosa Lour. –A Review." In Micropropagation of Medicinal Plants: Volume 2. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815238303124020021.
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The present review summarises the in vitro multiple plantlet regeneration of Stemona tuberosa. MS medium fortified with 7 mg/L Kn was found to be the optimum for multiple shoot induction from axillary buds. Excision and culture of nodal segments from the in vitro shoots on medium containing 7 mg/L Kn and 4 mg/L TDZ showed a maximum number of shoot multiplication. Shoots developed were rooted best on ½ strength MS with 1 mg/L IAA. Plantlets established in pots exhibited 85% survival.
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Brubaker, Ben, Daniel Bump, and Solomon Friedberg. "Statement B Implies Statement A." In Weyl Group Multiple Dirichlet Series. Princeton University Press, 2011. http://dx.doi.org/10.23943/princeton/9780691150659.003.0007.
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This chapter recalls the use of the Schützenberger involution on Gelfand-Tsetlin patterns to prove that Statement B implies Statement A. These statements will be discussed two more times in the later chapters of the book. Chapter 18 reinterprets both Statements A and B in terms of crystals, and directly proves that the reinterpreted Statement B implies the reinterpreted Statement A in Theorem 18.2. Then Chapter 19 again reinterprets Statements A and B in a different context, and yet again directly proves that the reinterpreted Statement B implies the reinterpreted Statement A in Theorem 19.10. The current chapter shows that the Schützenberger involution qᵣ can be formulated in terms of operations on short Gelfand-Tsetlin patterns. To facilitate the inductive proof, relevant equations are used.
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Raseena, M., and A. Yusuf. "In Vitro Multiplication and Metabolite Variations through GC-MS of a Medicinal Plant Scaevola Taccada (Gaertn.) Roxb." In In Vitro Propagation and Secondary Metabolite Production from Medicinal Plants: Current Trends (Part 1). BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815165227124010005.
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The present study investigated the difference in the phytoconstituents in the methanolic extract of mother and tissue cultured plants of Scaevola taccada (Gaertn). Roxb., an important medicinal plant of the Goodiniaceae family. An efficient protocol was established to rapidly multiply S. taccada using nodal explants. The explants were cultured on MS medium supplemented with different concentrations of BAP (0.5 mg/l, 2.5 mg/l, 5.0 mg/l, 10.0 mg/l), IAA (1.0 mg/l), Kinetin (1.0 mg/l), ascorbic acid (100 mg/l) and citric acid (25 mg/l). The maximum number of multiple shoots were obtained in MS medium supplemented with BAP (5.0 mg/l) in combination with Kinetin (1.0 mg/l) and additives ascorbic acid (100 mg/l) and citric acid (25 mg/l). Subculturing multiple shoots at periodic intervals of every 4 weeks produced the maximum number of shoots. The in vitro generated shoots were rooted in half-strength MS medium supplemented with IBA (0.5,1.0,1.5,2.0,2.5) mg/l NAA (0.5,1.0,2.0,2.5) mg/l. Among these, the highest root induction was obtained in IBA (1.5 mg/l) and NAA (0.1 mg/l). The rooted plantlets were transferred to pots containing a mixture of vermiculite and perlite for acclimatization for three weeks. The plants were hardened in a greenhouse and planted in open fields. Phytochemical analysis shows the methanolic extracts of the tissue cultured plants produced more bioactive compounds having various pharmaceutical importance than the mother plant.
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Javier Villalobos-Pina, Francisco, Josué A. Reyes-Malanche, Eduardo Cabal-Yepez, and Efrain Ramirez-Velasco. "Open Circuit Fault Diagnosis in Induction Motor Driver Inverter." In Induction Motors - Latest Research and Applications [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1006637.
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The induction machines are the power horses in the industry due to the practically null maintenance, this kind of machines are use in a widely group of industrial applications, and with the advance of power electronics these machines replace another kind, like direct current (dc) motors attributable to the evolution of control algorithms and the digital platforms. In this context, a methodology is proposed to detect and isolate faults, focusing on the inverter stage of Induction Machine motor drives, with a specific emphasis on Insulated Gate Bipolar Transistor (IGBT) faults, using phasor analysis and fuzzy logic. This methodology has demonstrated effective performance in detecting and isolating different types of electrical faults, such as stator inter-turn short-circuit. In this case, damaged switching IGBTs were identified using low computational resources. This research was motivated because some complex techniques like music (multiple signal classifier), dynamic observers, techniques based on mathematical models, statistics techniques, optimization techniques, AI techniques like deep learning, vector support machines, genetic algorithms, and so on, require a great quantity of data and or computer processing. Thanks to this scheme, it is possible to implement a low cost computational platform based on a TI DSP TMS320F28335 processor for a real-time fault diagnosis in Induction Machine inverter.
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Olweny, Catherine. "Children." In Handbook of Communication in Anaesthesia, Pain Management, and Intensive Care, 2nd ed., edited by Allan M. Cyna, Suyin G. M. Tan, Marion I. Andrew, Laura L. Burgoyne, and Scott W. Simmons. Oxford University PressOxford, 2024. http://dx.doi.org/10.1093/med/9780198858669.003.0011.
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Abstract Communicating with children and involving them in decisions about their health respects their autonomy, builds resilience for future medical encounters, and improves parental and child satisfaction. Communication needs to occur at multiple levels to meet the different needs and concerns of patients and family members. Developmental considerations are important in recognizing the emerging autonomy of the child in order to build rapport and trust in the short term and build resilience in the long term. The ‘GREAT’ template can be used effectively with children in the preoperative visit and perioperatively. Practical techniques for induction of anaesthesia in children in challenging interactions can be addressed using effective communication strategies such as lived-in imagination and double-binds and indirect suggestion.
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Horton, Charles N. "Waking Up and Hitting the Road Extubation, Post-Op, and Giving Report." In Anesthesia Crash Course. Oxford University PressNew York, NY, 2008. http://dx.doi.org/10.1093/oso/9780195371871.003.0006.
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Abstract Anesthesia has been likened to flying an airplane, with induction as our version of takeoff and maintenance of anesthesia replacing level flight. Just as landing a plane safely and smoothly is one of a pilot’s hardest jobs, a gentle emergence is one of ours: a combination of art and science. There are multiple reasons that a smooth emergence is challenging. Emergence in itself depends on unpredictable physiological factors, chief among them a patient’s place on the bell curve of responsiveness to volatile anesthetics. When sedatives are given for premedication, patients may not fully metabolize these during a short surgery; these too affect emergence. Even when there is no surgical stimulation, the presence of an endotracheal tube is intensely unpleasant and patients often gag on the tube as soon as they “come to.”Let’s first look at the various demands placed upon us at the end of the case, and then consider how we can balance them.
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Kunchok, Amy C., and Andrew McKeon. "Bilateral Paresthesias in Crohn Disease." In Mayo Clinic Cases in Neuroimmunology, edited by Andrew McKeon, B. Mark Keegan, and W. Oliver Tobin. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780197583425.003.0070.
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A 43-year-old woman sought care for bilateral lower limb numbness and paresthesias accompanied by a tight, bandlike sensation around her torso at the mid chest level. She had an episode 4 months earlier of bilateral arm paresthesias. The right arm paresthesias lasted several hours, but the left arm paresthesias persisted for 1 week. Urinary frequency had recently developed, but no incontinence. She had no associated limb weakness, facial numbness or weakness, or vision loss. Magnetic resonance imaging of the cervical spine showed multiple, short-segment, T2-hyperintense lesions. C1 and C4-5 lesions demonstrated contrast enhancement. Magnetic resonance imaging of the brain showed multiple ovoid areas of T2 hyperintensity involving the periventricular regions. Postcontrast images indicated 2 contrast-enhancing lesions adjacent to the posterior aspect of the right lateral ventricle. Magnetic resonance imaging of the thoracic spine showed several T2-hyperintense lesions without contrast enhancement. Vitamin B<sub>12</sub> level was low. Cerebrospinal fluid analysis revealed 1 nucleated cell/µL, protein concentration of 85 mg/dL, and 17 cerebrospinal fluid -exclusive oligoclonal bands. Testing for JC polyoma virus was negative in the cerebrospinal fluid by polymerase chain reaction, but serologic results were positive. The patient was diagnosed with central nervous system demyelination in association with Crohn disease and tumor necrosis factor-α inhibitor use. The patient discontinued adalimumab and started vedolizumab (α<sub>4</sub>β<sub>7</sub> integrin inhibitor) for her Crohn disease. Magnetic resonance imaging of the brain and cervical spine 3 months after the therapy changes showed 2 new periventricular lesions in the temporal lobes without contrast enhancement. Magnetic resonance imaging of the cervical spine was stable. Because of her seropositivity to JC polyoma virus and history of immunosuppression, natalizumab (α<sub>4</sub>β<sub>1</sub> and α<sub>4</sub>β<sub>7</sub> integrin inhibitor) was not recommended. After discussion regarding therapy choice, the patient elected to start fingolimod. Inflammatory bowel and connective tissue diseases are commonly treated with immunosuppressants including tumor necrosis factor-α inhibitors. Tumor necrosis factor-α is a cytokine with a wide range of functions, including immune cell regulation, induction of the inflammatory response, inhibition of tumor growth, and induction of apoptosis.
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Lunt, Peter, and Peter Woodroof. "Tectono‐Stratigraphic Controls on Cenozoic Southeast Asian Carbonates." In Cenozoic Isolated Carbonate Platforms—Focus Southeast Asia. SEPM (Society for Sedimentary Geology), 2023. http://dx.doi.org/10.2110/sepmsp.114.06.
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In Southeast Asia, Cenozoic carbonates commonly were initiated or terminated at times of tectonic change, and they are bound by unconformities. A review of the timing of several of the largest unconformities shows they correlate over wide areas. These unconformities divide the stratigraphic record of Sundaland into episodes, with times of rapid basinal re-adjustment separated by periods of relative stasis. These generalizations are true not only in the successions deposited during the dominantly extensional later Eocene to early Miocene, but also in the often-compressional middle Miocene and younger deposits, in which at least three phases of rapid tectonic and stratigraphic change can be correlated over multiple depocenters. A detailed review of many areas of Southeast Asia using quantitative biostratigraphic methods indicates that tectonism resulted in relative changes in sea level, with no indication that eustasy was an important driving force. The boundaries between these sedimentary episodes vary in their effect and distribution, depending upon the tectonic cause. As a consequence, there is no uniform subdivision of the stratigraphic record across the region, which precludes a simple Sundaland-wide classification of primary sedimentary sequences. This review concentrates on both event timing and rates of change within and between basins, especially those changes that initiated or terminated carbonate deposition. In addition, some short-lived carbonate buildups that developed during transitional periods are described. This review provides the beginnings of a new stratigraphic framework for the Cenozoic carbonates and related deposits of Southeast Asia. It requires an inductive analytical methodology, in contrast to the model-driven and deductive approaches that have been applied in recent years. This episodic stratigraphy approach includes integration of large amounts of analytical data, for which the Cenozoic tropical sediments of Southeast Asian basins are particularly well suited.
Conference papers on the topic "Multiple shoot induction"
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Garcia, Alfonso, Len J. Krissa, Jerry DeWitt, and Cp Specialist. "Effect of Transmission Pipeline Properties on Alternated Induced Voltage." In CORROSION 2017. NACE International, 2017. https://doi.org/10.5006/c2017-09786.
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Abstract AC power transport system expansion has increased the risk of AC in transmission pipelines and awareness of pipeline integrity engineers. Several works have proven the detrimental effect of AC current on pipeline safety and corrosion of - pipelines. AC may be imposed on pipelines independently or in combination of three coupling mechanisms described as being resistive capacitive and inductive. However, only resistive and inductive coupling mechanisms promote AC corrosion during pipeline operation. In resistive coupling, the presence of a short circuit in the AC power due to a lighting strike or a steady state current leakage may discharge current on a nearby pipeline, increasing the pipe to soil voltage, coating stress, and likelihood of electric shock hazard at above grade pipeline appurtenance. In inductive coupling, the magnetic field produced around the power conductors generates an electrical field along a parallel pipeline, inducing a voltage that can impact CP effectiveness and promote corrosion. On this work, calculations of induced AC voltage and current are performed for multiple scenarios which take into account important factors such as: HVAC transmission powerline configuration, lateral distance to the transmission pipeline, and parallelism between the transmission lines, soil, and pipeline and coating properties. In addition, a parametric analysis was performed based on sensitivity analysis of the factors to identify locations with higher AC corrosion susceptibility.
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Finneran, Shane, and Barry Krebs. "Advances in HVAC Transmission Industry and Its Effects on Pipeline Induced AC Corrosion." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-4421.
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Abstract Pipelines collocated in close proximity to high voltage alternating current (HVAC) transmission lines may be subjected to electrical interference from capacitive, electromagnetic inductive and conductive effects. If these effects are high enough they may pose a safety hazard to personnel, or may compromise the integrity of the pipeline. The effects of HVAC interference from a personnel safety and corrosion risk standpoint are well documented, however recent developments in the electric power transmission industry have driven trends toward increasing HVAC transmission line voltages and currents. Renewable energy generation and corresponding technologies have shown rapid growth in recent years. Multiple factors are driving the generating facilities, be it wind, hydro-electric, solar, or other, further from the major consumption centers requiring the power. This creates a well-documented challenge for efficient electric power transmission over increasing distances.1,2,3,4 Multiple technologies have been developed recently to help overcome long distance transmission line loss, each having its own unique benefits and detriments. However, nearly all involve significant increases to the transmission line operating capacity, and will result in elevated line currents whether they are short term dynamic loads, or steady state. The increasing HVAC transmission currents present a significant challenge for pipeline owners operating utilities sharing the corridor, crossing, or paralleling the power transmission lines. This paper focuses on reviewing the recent trends in the HVAC transmission industry, and their effects on collocated buried pipelines, specific to induced AC potentials, current density, and ground fault hazards.
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Qi, Qige, Chunyan Guo, and Qichang Zhang. "Multiple shoots induction and rapid propagation ofLonicera edulis." In 3rd International Conference on Future Energy, Environment and Materials. WIT Press, 2015. http://dx.doi.org/10.2495/feem140381.
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Goldstein, Robert, Ethan Buchner, and Robert Cryderman. "Modeling Short Time Dilatometry Testing of High Carbon Steels." In HT 2017. ASM International, 2017. http://dx.doi.org/10.31399/asm.cp.ht2017p0190.
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Abstract Dilatometry test systems are commonly used for characterizing the transformation behavior in steels and induction heating is commonly the heating source. In these systems, the steel test article is assumed to have a uniform temperature throughout the sample. This is a good assumption for slow heating rates with small samples, however, for induction hardening cycles this may or may not be accurate. Using computer models, it is possible to predict the temperature dynamics of the sample, both radially and axially, during the thermal processing cycle (heating and cooling). O1 tool steel was utilized to characterize and model heating and cooling temperature gradients. Specimens instrumented with multiple thermocouples were induction heated and gas quenched. The test data and geometry were evaluated with 1- D and 2-D models to characterize transient temperature gradients. The goal of the modeling is to better characterize temperature corrections required when rapid heating and cooling processes are used to determine transformation behavior in induction hardenable steels.
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Qige, Qi, Guo Chunyan, and Zhang Qichang. "Multiple Shoots Induction and Rapid Propagation of Lonicera Edulis." In AASRI International Conference on Industrial Electronics and Applications (IEA 2015). Atlantis Press, 2015. http://dx.doi.org/10.2991/iea-15.2015.173.
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Krause, Christian, Mark Davis, and Dirk Schlesselmann1. "The Pick-Up-Revolution for Hardening CV-Joints— Combining Multiple Heat Treating Operations into the Same Set-Up for Speed, Process Stability, and Ease of Integration into the Process Chain." In HT 2015. ASM International, 2015. http://dx.doi.org/10.31399/asm.cp.ht2015p0133.
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Abstract In this paper, a complete rethinking of induction hardening for CV Joints (constant velocity joints) is introduced. The new machine concept is based on a pick-up principle for hardening these workpieces. The conventional hardening solution is characterized by high floor space requirements, sequentially processing the Stem (shaft) hardening from one machine to another hardening the inner bowl of the Bell, including complex workpiece handling systems. The new, innovative process combines these discreet operations into one machine set-up with inverted spindle and two inductor coils. The VLC 100-IH machine is a solution with minimum floor space required, hardening with one chuck and without flipping the part end-to-end, giving a high degree of flexibility, easy in-line integration, as well as short cycle times. We are describing the innovations for hardening CV Joints with this combined process approach made possible by the inverted Pick-Up spindle and integrated part handling.
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Wang, Heshou, Jinhong Sun, and Ka Wai Eric Cheng. "An Inductive Power Transfer System with Multiple Receivers Utilizing Diverted Magnetic Field and Two Transmitters for IoT-level Automatic Catering Vehicles." In 2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers). IEEE, 2023. http://dx.doi.org/10.1109/intermagshortpapers58606.2023.10228773.
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Kaliyadasa, P. E., and G. H. N. Maheepala. "In vitro Regeneration of Gypsophila Paniculata L.Through Nodal Segments." In SLIIT International Conference on Advancements in Sciences and Humanities 2023. Faculty of Humanities and Sciences, SLIIT, 2023. http://dx.doi.org/10.54389/cbho6581.
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Gypsophila (Gypsophila paniculata L.), commonly known as baby’s breath, is a very popular ornamental plant in the floriculture industry. Gypsophilas are often grown as ornamental plants in many European gardens. They are valuable as a cut flower in floristry to add as a filler to flower bouquets. A protocol for the regeneration of Gypsophila paniculata L. using nodal explants grown in the field was established. The induction of multiple shoots was best obtained on Murashige and Skoog (MS) medium supplemented with 1 mg L-1 BAP and 0.5 mg L-1 NAA. After 8 weeks of initial culture, multiple shoots were regenerated from the explants and transferred to the rooting medium with different concentrations of IBA and NAA. The highest number of roots was obtained from the MS medium supplemented with 0.5 mg L-1 IBA and 0.5 mg L-1 NAA within 6 weeks. Rooted plantlets were hardened and established in pots with 89% highest survival rate.
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Ohmoto, Yoshimasa, So Kumano, and Toyoaki Nishida. "Induction of an active attitude by short speech reaction time toward interaction for decision-making with multiple agents." In IUI '19: 24th International Conference on Intelligent User Interfaces. ACM, 2019. http://dx.doi.org/10.1145/3301275.3302330.
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Agrawal, Smita, Taiho Yeom, Youmin Yu, Mark North, Terrence Simon, and Tianhong Cui. "The Effects of Agitator Blade Geometry and Configuration for Augmenting Heat Transfer by Agitation in Channel Flows." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37303.
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Translationally oscillating blades, called agitators, can be used to thoroughly mix the flow inside heat exchanger channels such as those in an electronics module heat sink. Generally, throughflow is provided with an induction fan. Agitation is implemented inside the channel by using either multiple agitator blades, agitator blades with notched edges, full-length long-blade agitators or short-blade agitators. The power needed to drive the agitator blades is dependent on the agitation velocity, geometry and mass. The performance features of a 50mm long agitator blade operating at an oscillation frequency of 500Hz, a 15mm short agitator blade operating at a frequency of 1000Hz, and two blades of length 15mm operating at a frequency of 500 Hz have been compared. Also, runs with other geometric changes, like those with added notches at the tip of the agitator, are made to explore their benefits. The intent is that the notches generate additional vorticity at the channel inlet, which is convected downstream enhancing heat transfer as it passes. Thus, this study numerically finds directions toward optimal agitator configurations and geometries that would give heat transfer augmentation without excessive power input. It was found that a multiple agitator blade configuration containing two short blade agitators operating at frequency 500Hz gives the best performance in terms of heat transfer augmentation when power consumption is considered. Heat flux plots on the channel wall and turbulence kinetic energy plots within the channel have been used to explain the mechanisms of heat transfer augmentation for the various cases.
Reports on the topic "Multiple shoot induction"
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Kapulnik, Yoram, Maria J. Harrison, Hinanit Koltai, and Joseph Hershenhorn. Targeting of Strigolacatones Associated Pathways for Conferring Orobanche Resistant Traits in Tomato and Medicago. United States Department of Agriculture, 2011. http://dx.doi.org/10.32747/2011.7593399.bard.
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This proposal is focused on examination of two plant interactions: parasitic with Orobanche, and symbiosis with arbuscular mycorrhiza fungi (AMF), and the involvement of a newly define plant hormones, strigolactones (SLs), in these plant interactions. In addition to strigolactones role in regulation of above-ground plant architecture, they are also known to be secreted from roots, and to be a signal for seed germination of the parasitic plants Orobanche. Moreover, secreted strigolactones were recognized as inducers of AMFhyphae branching. The present work was aimed at Generation of RNAi mutants of both tomato and Medicago, targeting multiple genes that may be involved in strigolactone production, carotenoid biosynthesis pathway, Pi signaling or other metabolic pathways, and hence affect AMF colonization and/or Orobanche resistance. Following the newly formed and existing RNAi mutants were examined for AMF colonization and Orobanche resistance. At the first phase of this project Orobanche seed germination assays and AMF colonization were examined in intact plants. These assays were shown to be effective and resulted with enhancement of Orobanche seed germination and AMF colonization in WT tomato plants, whereas roots of strigolactones impaired lines did not result with Orobanche seed germination and mycorrhiza colonization. Unexpectedly, root organ cultures (ROC) that were produced from the same wild type (WT) and mutant lines did not induce the Orobanche seed germination and AMFhyphal branching. This implies that under in vitro conditions ROC cultures are missing an important component for induction of Orobanche seed germination and AMFhyphal branching. In another line of experiments we have tested transgenic lines of Medicagotruncatula for AMFhuyphal branching and Orobanche seed germination assays. These lines included lines silenced for a GRAS transcription factor (RNAi 1845), an NBS-LRR type resistance gene (RNAi 1847), a kinase (RNAi 2403) and a protein of unknown function (RNAi 2417). In all cases, five independent transgenic root lines showed altered AMFphenotypes with reduced or aberrant colonization patterns. Following, we transformed tomato plants with the M. truncatulaTC 127050 PhosphoinositidekinaseRNAi construct. Transgenic lines that contained GUS constructs were used as control. All transgenic lines showed reduced level of Orobanche seed germination, masking any strigoalctones-specific effect. The research demonstrated that SLs production may not be examined in ROC –based bioassays. It was shown by the 3 independent assays employed in this project that none of the recognized characters of SLs may be reflected in these bioassays. However, when the whole plant root exudates were examined, SLs activity in root exudates was demonstrated. Hence, it can be concluded that the presence of an intact shoot, and possibly, shoot factors, may be necessary for production of SLs in roots. Another point of interest that rises from these results is that the presence of SLs is not necessary for AMF completion of life cycle. Hence, it may be concluded that SLs are important for AMFhyphal branching, before symbiosis, but not essential for AMF colonization and life cycle completion under ROC system conditions.
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Schwieger, Alexandra, Kaelee Shrewsbury, and Paul Shaver. Dexmedetomidine vs Fentanyl in Attenuating the Sympathetic Surge During Endotracheal Intubation: A Scoping Review. University of Tennessee Health Science Center, 2021. http://dx.doi.org/10.21007/con.dnp.2021.0007.
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Purpose/Background Direct laryngoscopy and endotracheal intubation after induction of anesthesia can cause a reflex sympathetic surge of catecholamines caused by airway stimulation. This may cause hypertension, tachycardia, and arrhythmias. This reflex can be detrimental in patients with poor cardiac reserve and can be poorly tolerated and lead to adverse events such as myocardial ischemia. Fentanyl, a potent opioid, with a rapid onset and short duration of action is given during induction to block the sympathetic response. With a rise in the opioid crisis and finding ways to change the practice in medicine to use less opioids, dexmedetomidine, an alpha 2 adrenergic agonist, can decrease the release of norepinephrine, has analgesic properties, and can lower the heart rate. Methods In this scoping review, studies published between 2009 and 2021 that compared fentanyl and dexmedetomidine during general anesthesia induction and endotracheal intubation of surgical patients over the age of 18 were included. Full text, peer-reviewed studies in English were included with no limit on country of study. The outcomes included post-operative reviews of decrease in pain medication usage and hemodynamic stability. Studies that were included focused on hemodynamic variables such as systolic blood pressure, diastolic blood pressure, mean arterial pressure, heart rate, and use of opioids post-surgery. Result Of 2,114 results from our search, 10 articles were selected based on multiple eligibility criteria of age greater than 18, patients undergoing endotracheal intubation after induction of general anesthesia, and required either a dose of dexmedetomidine or fentanyl to be given prior to intubation. Dexmedetomidine was shown to effectively attenuate the sympathetic surge during intubation over fentanyl. Dexmedetomidine showed a greater reduction in heart rate, systolic blood pressure, diastolic blood pressure, mean arterial pressure than fentanyl, causing better hemodynamic stability in patients undergoing elective surgery.Implications for Nursing Practice Findings during this scoping review indicate that dexmedetomidine is a safe and effective alternative to fentanyl during induction of general anesthesia and endotracheal intubation in attenuating the hemodynamic response. It is also a safe choice for opioid-free anesthesia.
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Weiss, David, and Neil Olszewski. Manipulation of GA Levels and GA Signal Transduction in Anthers to Generate Male Sterility. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7580678.bard.
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The original objectives of the research were: i. To study the role of GA in anther development, ii. To manipulate GA and/or GA signal transduction levels in the anthers in order to generate male sterility. iii. To characterize the GA signal transduction repressor, SPY. Previous studies have suggested that gibberellins (GAs) are required for normal anther development. In this work, we studied the role of GA in the regulation of anther development in petunia. When plants were treated with the GA-biosynthesis inhibitor paclobutrazol, anther development was arrested. Microscopic analysis of these anthers revealed that paclobutrazol inhibits post-meiotic developmental processes. The treated anthers contained pollen grains but the connective tissue and tapetum cells were degenerated. The expression of the GA-induced gene, GIP, can be used in petunia as a molecular marker to: study GA responses. Analyses of GIP expression during anther development revealed that the gene is induced only after microsporogenesis. This observation further suggests a role for GA in the regulation of post-meiotic processes during petunia anther development. Spy acts as a negative regulator of gibberellin (GA) action in Arabidopsis. We cloned the petunia Spy homologue, PhSPY, and showed that it can complement the spy-3 mutation in Arabidopsis. Overexpression of Spy in transgenic petunia plants affected various GA-regulated processes, including seed germination, shoot elongation, flower initiation, flower development and the expression of a GA- induced gene, GIP. In addition, anther development was inhibited in the transgenic plants following microsporogenesis. The N-terminus of Spy contains tetratricopeptide repeats (TPR). TPR motifs participate in protein-protein interactions, suggesting that Spy is part of a multiprotein complex. To test this hypothesis, we over-expressed the SPY's TPR region without the catalytic domain in transgenic petunia and generated a dominant- negative Spy mutant. The transgenic seeds were able to germinate on paclobutrazol, suggesting an enhanced GA signal. Overexpression of PhSPY in wild type Arabidopsis did not affect plant stature, morphology or flowering time. Consistent with Spy being an O-GlcNAc transferase (OGT), Spy expressed in insect cells was shown to O-GlcNAc modify itself. Consistent with O-GlcNAc modification playing a role in GA signaling, spy mutants had a reduction in the GlcNAc modification of several proteins. After treatment of the GA deficient, gal mutant, with GA3 the GlcNAc modification of proteins of the same size as those affected in spy mutants exhibited a reduction in GlcNAcylation. GA-induced GlcNAcase may be responsible for this de-GlcNAcylation because, treatment of gal with GA rapidly induced an increase in GlcNAcase activity. Several Arabidopsis proteins that interact with the TPR domain of Spy were identified using yeast two-hybrids screens. One of these proteins was GIGANTEA (GI). Consistent with GI and Spy functioning as a complex in the plant the spy-4 was epistatic to gi. These experiments also demonstrated that, in addition to its role in GA signaling, Spy functions in the light signaling pathways controlling hypocotyl elongation and photoperiodic induction of flowering. A second Arabidopsis OGT, SECRET AGENT (SCA), was discovered. Like SPY, SCA O-GlcNAc modifies itself. Although sca mutants do not exhibit dramatic phenotypes, spy/sca double mutants exhibit male and female gamete and embryo lethality, indicating that Spy and SCA have overlapping functions. These results suggest that O-GlcNAc modification is an essential modification in plants that has a role in multiple signaling pathways.
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McElwain, Terry F., Eugene Pipano, Guy H. Palmer, Varda Shkap, Stephn A. Hines, and Wendy C. Brown. Protection of Cattle against Babesiosis: Immunization against Babesia bovis with an Optimized RAP-1/Apical Complex Construct. United States Department of Agriculture, 1999. http://dx.doi.org/10.32747/1999.7573063.bard.
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Previous research and current efforts at control of babesiosis fall short of meeting the needs of countries where the disease is endemic, such as Israel, as well as the needs of exporting countries and countries bordering on endemic areas, such as the U.S. Our long-term goal is to develop improved methods of immunization against bovine babesiosis based on an understanding of the molecular mechanisms of immune protection and parasite targets of a protective immune response. In our previous BARD project, we established the basis for focusing on rhoptry antigens as components of a subunit vaccine against bovine babesiosis, and for additional research to better characterize rhoptry associated protein-1 (RAP-1) as a target of protective immunity. In this continuation BARD project, our objectives were to [1] optimize the immune response against RAP-1, and [2] identify additional rhoptry candidate vaccine antigens. The entire locus encoding B. bovis RAP-1 was sequenced, and the rap-1 open reading frame compared among several strains. Unlike B. bigemina, in which multiple gene copies with variant domains encode RAP-1, the B. bovis RAP-1 locus contains only two identical genes which are conserved among strains. Through testing of multiple truncated constructs of rRAP-1, one or more immunodominant T cell epitopes were mapped to the amino terminal half of RAP-1. At least one linear and one conformational B cell epitope have been demonstrated in the same amino terminal construct, which in B. bigemina RAP-1 also contains an epitope recognized by neutralizing antibody. The amine terminal half of the molecule represents the most highly conserved part of the gene family and contains motifs conserved broadly among the apicomplexa. In contrast, the carboxy terminal half of B. bovis RAP-1 is less well conserved and contains multiple repeats encoding a linear B cell epitope potentially capable of inducing an ineffective, T cell independent, type 2 immune response. Therefore, we are testing an amino terminal fragment of RAP-1 (RAP-1N) in an immunization trial in cattle. Cattle have beer immunized with RAP-1N or control antigen, and IL-12 with Ribi adjuvant. Evaluation of the immune response is ongoing, and challenge with virulent B. bovis will occur in the near future. While no new rhoptry antigens were identified, our studies did identify and characterize a new spherical body antigen (SBP3), and several heat shock proteins (HSP's). The SBP3 and HSP21 antigens stimulate T cells from immune cattle and are considered new vaccine candidates worthy of further testing. Overall, we conclude that a single RAP-1 vaccine construct representing the conserved amino terminal region of the molecule should be sufficient for immunization against all strains of B. bovis. While results of the ongoing immunization trial will direct our next research steps, results at this time are consistent with our long term goal of designing a subunit vaccine which contains only the epitopes relevant to induction of protective immunity. Parallel studies are defining the mechanisms of protective immunity. Apicomplexan protozoa, including babesiosis and malaria, cause persistent diseases for which control is inadequate. The apical organelles are defining features of these complex protozoa, and have been conserved through the evolutionary process, Past and current BARD projects on babesiosis have established the validity and potential of exploiting these conserved organelles in developing improved control methods applicable to all apicomplexan diseases.