Contactless conductivity sensor employing moist paper as absorbent for in-situ detection of generated carbon dioxide gas

2020 ◽  
Vol 1118 ◽  
pp. 44-51 ◽  
Author(s):  
Thitaporn Sonsa-ard ◽  
Nattapong Chantipmanee ◽  
Nutnaree Fukana ◽  
Peter C. Hauser ◽  
Prapin Wilairat ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Carbon Dioxide Gas ◽  
Conductivity Sensor ◽  
In Situ Detection

In situ Bi2O3-loaded polypyrrole nanocomposites for carbon dioxide gas sensing

2019 ◽  
Vol 28 (11) ◽  
pp. 933-941 ◽  
Author(s):  
Ashish R. Choudhary ◽  
Sandeep A. Waghuley
Keyword(s):  
Carbon Dioxide ◽  
Gas Sensing ◽  
Carbon Dioxide Gas

Carbon Dioxide Gas Sensor Suitable for In Situ Monitoring

2004 ◽  
Vol 7 (2) ◽  
pp. H12 ◽  
Author(s):  
Nobuhito Imanaka ◽  
Atsushi Oda ◽  
Shinji Tamura ◽  
Gin-ya Adachi ◽  
Toru Maekawa ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Gas Sensor ◽  
In Situ Monitoring ◽  
Carbon Dioxide Gas

scholarly journals Bacterial Concentration Detection using a PCB-based Contactless Conductivity Sensor

Micromachines ◽  
2019 ◽  
Vol 10 (1) ◽  
pp. 55 ◽  
Author(s):  
Xiao-Yan Zhang ◽  
Zhe-Yu Li ◽  
Yu Zhang ◽  
Xiao-Qian Zang ◽  
Kosei Ueno ◽  
...  
Keyword(s):  
Flow Cytometry ◽  
Printed Circuit Board ◽  
System Size ◽  
Circuit Board ◽  
Plate Count ◽  
Capacitively Coupled ◽  
Conductivity Sensor ◽  
Relative Standard ◽  
In Situ Detection

Capacitively coupled contactless conductivity detection (C4D) is an improved approach to avoid the problems of labor-intensive, time-consuming and insufficient accuracy of plate count as well as the high-cost apparatus of flow cytometry (FCM) in bacterial counting. This article describes a novel electrode-integrated printed-circuit-board (PCB)-based C4D device, which supports the simple and safe exchange of capillaries and improves the sensitivity and repeatability of the contactless detection. Furthermore, no syringe pump is needed in the detection, it reduces the system size, and, more importantly, avoids the effect on the bacteria due to high pressure. The recovered bacteria after C4D detection at excitation of 25 Vpp and 60–120 kHz were analyzed by flow cytometry, and a survival rate higher than 96% was given. It was verified that C4D detection did not influence the bacterial viability. Moreover, bacteria concentrations from 106 cells/mL to 108 cells/mL were measured in a linear range, and relative standard deviation (RSD) is below 0.2%. In addition, the effects on bacteria and C4D from background solutions were discussed. In contrast to common methods used in most laboratories, this method may provide a simple solution to in situ detection of bacterial cultures.

scholarly journals Zeolite cage-lock strategy for in situ synthesis of highly nitrogen-doped porous carbon for selective adsorption of carbon dioxide gas

RSC Advances ◽  
2017 ◽  
Vol 7 (39) ◽  
pp. 24195-24203 ◽  
Author(s):  
Chunfeng Xue ◽  
Hongye Zhu ◽  
Tingting Xu ◽  
Enyang Wang ◽  
Bo Xiao ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Adsorption Capacity ◽  
Porous Carbon ◽  
Selective Adsorption ◽  
In Situ Synthesis ◽  
Organic Template ◽  
Nitrogen Doped ◽  
Carbon Dioxide Gas ◽  
Carbon Structures

Porous carbon structures doped with 18.14% nitrogen and prepared by a carbonizing organic template in ZSM-39 zeolitic cages show high CO2 adsorption capacity.

Conjugated Polyelectrolyte-Based New Strategy for in Situ Detection of Carbon Dioxide

2017 ◽  
Vol 9 (24) ◽  
pp. 20313-20317 ◽  
Author(s):  
Yibing Fan ◽  
Chengfen Xing ◽  
Hongbo Yuan ◽  
Ran Chai ◽  
Linfei Zhao ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Conjugated Polyelectrolyte ◽  
New Strategy ◽  
In Situ Detection

Enhancement of desorption amount of carbon dioxide gas from monoethanolamine solution using ultrasound and calcium chloride

2020 ◽  
Vol 59 (SK) ◽  
pp. SKKD08
Author(s):  
Yuya Kitamura ◽  
Hirokazu Okawa ◽  
Takahiro Kato ◽  
Katsuyasu Sugawara
Keyword(s):  
Carbon Dioxide ◽  
Calcium Chloride ◽  
Carbon Dioxide Gas

Rapid quantification and in situ detection of nitrifying bacteria in biofilms by monoclonal antibody method

2000 ◽  
Vol 41 (4-5) ◽  
pp. 301-308 ◽  
Author(s):  
N. Noda ◽  
H. Ikuta ◽  
Y. Ebie ◽  
A. Hirata ◽  
S. Tsuneda ◽  
...  
Keyword(s):  
Monoclonal Antibody ◽  
Monoclonal Antibodies ◽  
Fluorescent Antibody ◽  
Nitrifying Bacteria ◽  
Fluorescent Antibody Technique ◽  
Antibody Technique ◽  
Antibody Method ◽  
In Situ Detection ◽  
Rapid Quantification

Fluorescent antibody technique by the monoclonal antibody method is very useful and helpful for the rapid quantification and in situ detection of the specific bacteria like nitrifiers in a mixed baxterial habitat such as a biofilm. In this study, twelve monoclonal antibodies against Nitrosomonas europaea (IFO14298) and sixteen against Nitrobacter winogradskyi (IFO14297) were raised from splenocytes of mice (BALB/c). It was found that these antibodies exhibited little cross reactivity against various kinds of heterotrophic bacteria. The direct cell count method using monoclonal antibodies could exactly detect and rapidly quantify N. europaea and N. winogradskyi. Moreover, the distribution of N. europaea and N. winogradskyi in a biofilm could be examined by in situ fluorescent antibody technique. It was shown that most of N. winogradskyi existed near the surface part and most of N. europaea existed at the inner part of the polyethylene glycol (PEG) gel pellet, which had entrapped activated sludge and used in a landfill leachate treatment reactor. It was suggested that this monoclonal antibody method was utilized for estimating and controlling the population of nitrifying bacteria as a quick and favorable tool.

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