Gas Analysis in Agriculture
When an ethylene scrubber is used in storage rooms, carbon dioxide levels can be 1.7% and oxygen levels 2.2%. In cold storage rooms, ethylene could be 4.5%, carbon dioxide 0.1%, and oxygen 20.4%. Storage in wooden bins with vents require ethylene levels of 0.07%, carbon dioxide at 0.1%, and oxygen levels at 20.5%. Modern Measuring …
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Arabidopsis Seedling Growth Response and Recovery to Ethylene…
Ethylene regulates a number of developmental processes in higher plants, including growth in etiolated seedlings. Inhibition of growth in etiolated seedlings by ethylene is a convenient and useful bioassay that has been used to quantify the dose-response characteristics of ethylene (Chen and Bleecker, 1995) and, in mutant screens, …
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Ethylene yield in a large-scale olefin plant …
Olefin plants are one of the most energy intensive petrochemical plants in the world [1, 2]. In Iran more than 15% of petrochemical products are olefins and it will increase rapidly during next future, so improvement of energy …
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RNA-seq Analysis Reveals Ethylene-Mediated Reproductive …
The high level of abscission of developing reproductive organs in soybean (Glycine max L. Merr.) causes severe yield loss. The role of ethylene in hastening organ abscission has been well documented. However, little is known about the regulatory mechanism by which ethylene influences abscission in soybean. Ethylene synthesis …
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Plants | Free Full-Text | Ethylene Signaling under …
Ethylene is a gaseous plant growth hormone that regulates various plant developmental processes, ranging from seed germination to senescence. The mechanisms underlying ethylene biosynthesis and …
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Plants | Free Full-Text | Transcriptome Level …
Chinese fir (Cunninghamia lanceolata (Lamb.) Hook) is a widely grown gymnosperm in China. Phosphorus (P) is an indispensable nutrient for the growth of Chinese fir. Inorganic phosphate (Pi) deficiency …
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Plant Ethylene Detection Using Laser-Based Photo …
scientific and commercial detection of ethylene [4]. One of the major drawbacks of using GC for ethylene detection is that the analysis time can be quite long (2–10 min depending on the sys-tem used), eliminating the ability to monitor ethylene production in real time. Furthermore, the level of detection (around
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Ethylene: A Master Regulator of Plant–Microbe Interactions …
2. Ethylene and Plant Abiotic Stresses. Being sessile organisms, plants can face survival threats from environmental perturbations. However, under such circumstances, plants still try to adjust their lifestyle by developing a series of strategies resulting in a stress-specific phenotype [26,27].This integration of the phenotypic …
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A Novel Effector Protein SsERP1 Inhibits Plant Ethylene …
Transcriptome analysis indicated that SsERP1 promotes Sclerotinia sclerotiorum infection by inhibiting plant ethylene signaling pathway. ... Vazyme Biotech, Nanjing, China). Quantitative real-time RCR was performed on Thermo Fisher Step One Plus instrument using Thermo Fisher PowerUp SYBR Green Master Mix (100031508, …
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Ethylene Oxide & Sterilization
Ethylene Oxide (EtO or EO) is a colorless gas used commercially in a wide variety of ways, including the production of textiles, personal care items, and the sterilization of medical devices, cosmetics, and spices. EtO is one of the most common ways to sterilize medical devices, which is crucial for preventing infection in patients undergoing ...
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Safety Incidents in Ethylene Plants | AIChE
Many similar safety incidents occur in ethylene plants throughout the world. While these should be well known to plant operators, our paper lists these more common safety incidents along with their root causes. We then discuss several less common safety incidents that have occurred: • Heater over-firing on partial trip • Heater over-firing ...
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Transcriptome Analysis of Ethylene Response in …
Ethylene is a gaseous phytohormone that delays flowering in Chrysanthemum morifolium Ramat. To date, however, there have been no systematic studies on genes involved in the ethylene response of this species, and the mechanism underlying ethylene-delayed flowering remains unclear. Herein, we applied RNA …
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plant ethylene analysis instrument puerto rico
Captive industrial gas production inside battery limits - Our Locations | STERIS AST. The pineapple plant is a terrestrial herb 2 1/2 to 5 ft (.75-1.5 m) high with a spread of 3 to 4 ft (.9-1.2 m); a very short, stout stem and a rosette of waxy, straplike leaves, long-pointed, 20 to 72 in (50-180cm) 1ong; usually needle tipped and generally bearing sharp, upcurved …
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Analysis of the genetic basis of plant height-related traits …
Ethylene (ET) is critical importance in the growth, development, and stress responses of plants. Plant hormonal stress responses have been extensively studied, however, the role of ET in plant growth, especially plant height (PH) remains unclear. Understanding the genetic control for PH in response …
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Petrochemical Industry Ethylene Plant
The typical fractionator tower analysis (cold side) of an ethylene plant has a number of process gas chromatograph measurement locations for optimum plant operation: 1. Demethanizner Overhead – measures ethylene to minimize the losses of ethylene in the overhead stream 2. Hydrogen Rich Tail Gas – verifies the quality of the
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Non-Intrusive Fruit and Plant Analysis by Laser …
The photothermal deflection (PTD) instrument monitors ethylene concentrations down to 0.5 nlll, locally, much faster (I s) and non-intrusively. In this way, ethylene production, …
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Ethylene Gas Analysis & Heat Stress Treatment in Tomato Plants
Figure 2: "Ethylene production from tomato 'Micro tom' seedlings pre-treated with frame-2-hexanal vapor at 48°C. Tomato seedlings were exposed to 0.001, 0.010, 0.100, 1.000 and 10 .000 ppm trans-2-hexenal vapor for 1 h and incubated at 48°C for 90 min. Tomato seedlings were kept in a 2- L plastic vessel and ethylene concentration was monitored …
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Current methods for detecting ethylene in plants
PMCID: PMC3579434. DOI: 10.1093/aob/mcs259. Abstract. Background: In view of ethylene's critical developmental and physiological roles the gaseous hormone remains …
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Identification and Expression Analysis of the Ethylene …
The ERF gene family is widely present in plants and has crucial regulatory importance in plant seed development, organ morphogenesis, the synthesis of secondary metabolites, and coping with abiotic stresses such as cold and drought. In this study, 90 members of CsERF were screened by bioinformatics tools analysis and named …
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Ethylene Biology. More Than a Gas | Plant Physiology
The plant hormone ethylene has wide-ranging and dramatic effects on the growth, development, and stress responses of the plant throughout its life (Abeles et al., 1992).The proliferation of papers and review articles on ethylene in recent years has been largely due to the tremendous role that mutational analysis has played in dissecting the …
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Critical review: 'Green' ethylene production through …
1. Introduction. Ethylene (C 2 H 4) is the simplest olefin and raw materials in various plastics, alcohols, and fibers industries.C 2 H 4 is almost exclusively produced via the steam cracking of gaseous and liquid hydrocarbon feedstocks such as ethane (C 2 H 6), naphtha, and gas oil [1].Due to its high endothermicity and complex product-separation …
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Estimation of Ethylene in Plant-Bioassay System: Gas …
- 1. Once GC run is finished, collect the sample from headspace vials, open them using a decapper and place them in a microwave until the MS agar in the vials gets melted.
- 2. Pour the seedlings from the vials into white weighing petri dish and record the number of seedlings per vial.
- 3. Retrieve the total concentration of the ethylene determined by comparing to the predetermi…
- 1. Once GC run is finished, collect the sample from headspace vials, open them using a decapper and place them in a microwave until the MS agar in the vials gets melted.
- 2. Pour the seedlings from the vials into white weighing petri dish and record the number of seedlings per vial.
- 3. Retrieve the total concentration of the ethylene determined by comparing to the predetermined standard ethylene curve by opening the data files from the GC.
- 4. Divide the total concentration of ethylene with the number of seedlings and incubation days (or time), to get the unit of ethylene concentration (e.g., 10 μL/L per seedling per day).
Design of ethylene oxide production process based on …
Much research has been conducted to improve the performance of EO production. Zhou et al. used a reactor model to optimize design variables such as inlet compositions of ethylene, oxygen, and carbon dioxide, as well as reactor temperature and the amount of ethylene dichloride. [] Lahiri et al. optimized design variables, such as …
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Online process gas analysis in ethylene production …
A gas analyzer is used to measure ethane concentration in the C. 2 splitter overhead. Operation of the C. 2 splitter is adjusted to minimize the ethane impurity in the ethylene product. Sometimes the ethylene product purity is also monitored for residual carbon dioxide traces. The X-STREAM analyzer is extremely well-suited to maken the ethylene ...
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Functional analysis and binding affinity of tomato ethylene …
The gaseous plant hormone ethylene is reported to play an active role in a wide range of developmental processes, including germination, flower and leaf senescence, fruit ripening, leaf abscission, root nodulation, programmed cell death, and responses to abiotic stresses and pathogen attacks [1–3]ponents of ethylene signalling have …
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Ethylene receptors in plants
Abstract. Ethylene is a hormone involved in numerous aspects of growth, development, and responses to biotic and abiotic stresses in plants. Ethylene is perceived through its binding to endoplasmic reticulum-localized receptors that function as negative regulators of ethylene signaling in the absence of the hormone.
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Proteomic analysis reveals that tomato interaction with plant …
In order to evaluate plant-growth promoting activity of both tested bacterial strains regarding to ethylene insensitivity, the biomass production was evaluated by fresh weight (FW) determination showing no significant interaction between main factors (GxI) (Fig. 1).Total FW showed an increase due to PGPB inoculation in wt plants (13.1% and …
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Safety and techno-economic analysis of ethylene technologies
This paper presents a comparative approach for two ethylene-production technologies through techno-economic and safety analysis. The primary process route is a state of art process while other is a novel process that is still in development stage. The conventional process route is ethane steam cracking which is a well-established process.
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Real-time analysis of ethylene production processes to …
Real-time analysis of ethylene production processes to optimize yield while maximizing uptime and maintaining safety and environmental compliance. Analyzer solutions to …
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Analysis of Impurities in Polymer-grade Ethylene
Analysis of Impurities in Polymer-grade Ethylene, Propylene and 1,3-Butadiene by Surinder (Sandy) Thind Current Detection Techniques – A Case Study with Arsine: Abstract: Producers of high purity monomers need to measure, not only, more and more impurities in their high purity product, but also, they need to measure these impurities at …
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