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檢測限和靈敏度zui高的植物乙烯測量系統

超高靈敏度測量，特別是連續監測

主要功能

該系統主要用于植物研究的乙烯監測，如生長發育、基因表達、植物病原體的相互作用、與其他植物激素的相互作用、蔬果收貨后儲存、抗逆性研究（干旱、高溫、重金屬）等。其中檢測儀ETD-300結合激光技術與聲學照相技術，實時快速測量乙烯（C₂H₄）氣體濃度；閥門控制箱VC-6*自動化和電腦控制，接一個即可以使單個氣體檢測儀實現6個樣品的同時測量，單個乙烯檢測儀可以接一個或多個閥門控制箱；烴分解器CAT-1則利用鉑金顆粒催化烴氧化分解為水蒸氣和CO₂，為系統提供無烴干擾的樣品空氣。

應用領域

用于環境、醫學、農業、工業、生態、生物等監測領域。特別適合植物生理、發育研究的超靈敏乙烯測量。

產品特點

● 實時測量，連續無間斷監測

● 測量范圍：0-5ppmv，檢出限：0.3ppbv

● 靈敏、快速、穩定性好，無干擾

● 操作簡便，結實耐用，所需維護少

● 友好的用戶操作軟件界面

系統組成

乙烯氣體檢測儀ETD-300

閥門控制箱VC-6

烴分解器CAT-1

注：系統中3個儀器都可以單獨使用。

主要技術參數

參數	乙烯氣體檢測儀ETD-300	閥門控制箱VC-6	烴分解器CAT-1
測量范圍	0-5 ppmv	/	/
檢出限	0.3 ppbv	/	/
噪音（2σ）	0.3 ppbv	/	/
精度	<1% 或 0.3 ppbv	0.2% FS	/
穩定性	<1%超過24小時	/	/
零點漂移	+/-1 ppbv	/	/
測量時間	5 s	/	/
響應時間	30 s （當流量為1 l/h時）	300 ms	/
流量	0.25-5 l/h	0.25-5 l/h	0-30 l/h
校準	使用標準混合氣，每年一次	/	/
通道數量	/	6（可增加至12, 18等）	/
測定模式	/	連續流動測定，積累后測定	/
氣體供應壓力	/	0.5-4 Bar	/
過壓閥		在5 Bar時打開	/
濾膜類型	/	粒徑>7µm	/
zui大稀釋濃度	/	/	100 ppm
輸出濃度	/	/	< 100 pptv
壓力	/	/	0-6 atm
活性催化劑	/	/	Pt/SiO₂
催化溫度	/	/	150 – 250 ℃
預熱時間	30 min	/	< 10 min
尺寸	50x50x14cm （48.3cm 3U機架）	40x50x10cm （48.3cm 2U機架）	40x25x20cm （48.3cm 3U半機架）
工作溫度/濕度	10-28 ℃/0-95 % RH	5-40℃/0-95 % RH	5-40℃ /0-95 %RH
電源要求	90-264 VAC, 47-63 Hz	90-264 VAC, 47-63 Hz	90-264 VAC, 47-63 Hz
功耗	<150 W	<60 W	85 W
進氣接口	1/8'' Swagelok	用于接外徑1/8''的管	1/8'' Swagelok
數據輸出	USB 和 RS232，CSV格式	USB，CSV格式	/
顯示	藍色背光LCD	LED指示燈	/

部分利用ETD發表的文獻

1. Cristescu S.M., Persijn S.T., te Lin Hekkert S., Harren F.J.M. Laser-based systems for trace gasdetection in life sciences, （2008）, Appl. Phys. B 92, 343-349

2. de Gouw J.A., Hekkert S. T. L., Mellqvist J., Warneke C., Atlas E.L., Fehsenfeld F.C., Fried A., Frost G.J., Harren F.J.M., Holloway J.S., Lefer B., Lueb R., Meagher J.F., Parrish D.D., Pa M., Pope L., Richter D., Rivera C., Ryerson T.B., Samuelsson J., Walega J., Washenfelder R.A., Weibring P., Zhu X., Airborne Measurements of Ethene from Industrial Sources Using Laser Photo-Acoustic Spectroscopy, （2009）, Environ. Sci. Technol. 43, 2437–2442

3. McDonnell L., Plett J.M., Andersson-Gunneras S., Kozela J.D., Dominique V.D. S., Bernard R.G., Björn S., Sharon R., Ethylene levels are regulated by a plant encoded 1-aminocyclopropane-1-carboxylic acid deaminase, （2009）, Physilogia Plantarum 136, 94-109

4. Clarke S.M., Cristescu S.M., Miersch O., Harren F.J. M., Wasternack C., Mur L.A. J., Jasmonates act with salicylic acid to confer basal thermotolerance in Arabidopsis thaliana, （2009）, New Phytologist 182:175-187

5. Hermans C., Vuylsteke M., Cristescu S.M., InzéD., Verbruggen N., Systems analysis of the responses to long term magnesium, deficiency and restoration in Arabidopsis thaliana highlights a possible role of the circadian clock in the plant adaptation, （2010）, New Phytologist 187: 132-144

6. Cristescu S.M., de Martinis D., te Lin Hekkert S., Parker D.H., Harren F.J.M., Ethylene production by Botrytis cinerea in vitro and in tomato fruit , （2002）, Applied and Environmental Microbiology 68, 5342-5350

7. Cristescu S.M., Woltering E.J., Harren F.J.M., Real time monitoring of ethylene during fungal-plant interaction by laser-based photoacoustic spectroscopy in “Food Mycology, A Multifaceted Approach to Fungiand Food”, （2006）, J. Dijksterhuis and R.A. Samson, Eds., Traylor and Francis New York, USA 25-47

8. Staal M., Stal L.J., te Lin-Hekkert S., Harren F.J.M., Light action spectra of N₂ fixation by heterocystous cyanobacteria from the Baltic Se, （2003）, Journal of Phycology 39, 668-677

9. Severin, J Stal L., Light dependency of nitrogen fixation in a coastal cyanobacterial mat, （2008）, The ISME Journal 2, 1077–1088; doi:10.1038/ismej.2008.63

10. Photoacoustic trace gas detection of ethene released by UV-induced lipid peroxidation in humans, S. Cristescu, R. Berkelmans, S. te Lin Hekkert, B. Timmerman, D. Parker, F. Harren, Proceedings SPIE Vol. 4162 （Bellingham, USA, 2000） 101-107

11. Moeskops B.W.M., Steeghs M.M.L., van Swam K., Cristescu S.M., Scheepers P.T.J., Harren F.J.M., “Realtime trace gas sensing of ethylene, propanal and acetaldehyde from human skin in vivo”. （2006）, Physiological Measurement 27, 1187-1196

12. Roeder S., Dreschler K., Wirtz M., Cristescu S.M., Harren F.J.M., Hell R., Piechulla B.. SAM levels, gene expression of SAM synthetase, methionine synthase and ACC oxidase, and ethylene emission from N. suaveolens flowers. （2009）, Molecular Biology 70, 535-546

13. Salman A., Filgueiras H., Cristescu S., Lopez-Lauri F., Harren F., Sallanon H., Inhibition of wound-induced ethylene does not prevent red discoloration in fresh-cut endive （Cichorium intybus L.）. （2009）, Eur. Food Res. Technol. 228, 651-657

14. Mur L. A.J., Lloyd A.J., Cristesc S.M.u, Harren F.J.M., Hal M.l., Smith A., Biphasic ethylene production during the hypersensitive response in Arabidopsis: A window into defence priming mechanisms? （2009）, Plant Signalling & Behaviour 4 （7）, 610 – 613

15. Yordanova Z.P., Iakimova E.T., Cristescu S.M., Harren F.J. M., Kapchina-Toteva V.M., Woltering E.J., Involvement of ethylene and nitric oxide in cell death in mastoparan-treated unicellular alga Chlamydomonas reinhardtii. （2010）, Cell Biology International 34, 301-308

16. Benlloch-González M., Romera J., Cristescu S., Harren F., María Fournier J., Benlloch M., K+ starvation inhibits water-stress-induced stomatal closure via ethylene synthesis in sunflower plants, （2010）, Journal of Experimental Botany 61, 1139 – 1145

17. Yordanova Z.P., Kapchina – Toteva V.M., Woltering E.J., Cristescu S.M., Harren F.J.M., Iakimova E.T., Mastoparan- induced cell death signaling in Chlamydomonas Reinhardtii. （2009）, Biotechnology & Biotechnological equipment-special issue, Vol.23: 730-734

18. Hélène Lequeux, Christian Hermans, Stanley Lutts, Nathalie Verbruggen, Response to copper excess in Arabidopsis thaliana: Impact on the root system architecture, hormone distribution, lignin accumulation and mineral profile, （2010）, Plant Physiology and Biochemistry 48, 673-682

19. Lloyd A.J., William Allwood J., Winder C., Dunn W.B., Heald J., Cristescu S.M., Harren F.J. M., Goo-dacre R., Smith A.R., Mur L.A. J., Metabolomic approaches indicate that cell wall modifications play a major role in ethylene-mediated resistance against Botrytis cinerea, （2011）,Plant Journal 67（5）, 852-868.

20. Moniuszko G., Laska-Oberndorff A., Cristescu S.M., Harren F.J.M., Sirko A., Ethylene emitted by nylon membrane filters questions their usefulness to transfer plant seedlings between media, （2011）, BioTechniques 51:doi 10.2144/000113762

21. Gallego-Bartolomé J., Arana M.V., Vandenbussche F., ?ádníková P., Minguet E.G., Guardiola V., Van Der Straeten D., Benkova E., AlabadíD., Blázquez M. A., Hierarchy of hormone action controlling apical hook development in Arabidopsis, （2011）, The Plant Journal 67, 622–634

22. Liesbeth D.G., Laury C., Jasper D., Jan D., Ivo R., Wim H. V., Thomas M., Gerrit T. S. B., Andy L. P., Nicholas P. H., Peter H., Dominique V.D.S., Blackwell Publishing Ltd Reduced gibberellin response affects ethylene biosynthesis and responsiveness in the Arabidopsis gai eto2-1 double mutant, （2008）, New Phytologist 177, 128–141

產地：荷蘭Sensor Sense B.V.