Classification of Organic Compounds...Based on Behavior of Solvochromic and Thermochromic Indicator System

1957 ◽  
Vol 29 (12) ◽  
pp. 1820-1823 ◽  
Author(s):  
Saul. Soloway ◽  
Perry. Rosen
Keyword(s):  
Organic Compounds ◽  
Indicator System

scholarly journals Proof of concept study: Testing human volatile organic compounds as tools for age classification of films

PLoS ONE ◽  
2018 ◽  
Vol 13 (10) ◽  
pp. e0203044 ◽  
Author(s):  
C. Stönner ◽  
A. Edtbauer ◽  
B. Derstroff ◽  
E. Bourtsoukidis ◽  
T. Klüpfel ◽  
...  
Keyword(s):  
Volatile Organic Compounds ◽  
Organic Compounds ◽  
Proof Of Concept ◽  
Concept Study ◽  
Volatile Organic

Classification of the Toxicity of Some Organic Compounds to Tadpoles (Rana Temporaria ) Through Integrating Multiple Classifiers

2011 ◽  
Vol 30 (8) ◽  
pp. 672-675 ◽  
Author(s):  
Qiang Su ◽  
Wen-cong Lu ◽  
Bing Niu ◽  
Xu Liu ◽  
Tian-hong Gu
Keyword(s):  
Organic Compounds ◽  
Rana Temporaria ◽  
Multiple Classifiers

scholarly journals SYBA: Bayesian estimation of synthetic accessibility of organic compounds

2020 ◽  
Author(s):  
Milan Voršilák ◽  
Michal Kolář ◽  
Ivan Čmelo ◽  
Daniel Svozil
Keyword(s):  
Random Forest ◽  
Organic Compounds ◽  
General Public ◽  
Bayes Classifier ◽  
Baseline Method ◽  
Random Forest Classification ◽  
Forest Classification ◽  
Synthetic Accessibility ◽  
General Public License

Abstract SYBA (SYnthetic Bayesian Accessibility) is a fragment-based method for the rapid classification of organic compounds as easy- (ES) or hard-to-synthesize (HS). It is based on a Bernoulli naïve Bayes classifier that is used to assign SYBA score contributions to individual fragments based on their frequencies in the database of ES and HS molecules. SYBA was trained on ES molecules available in the ZINC15 database and on HS molecules generated by the Nonpher methodology. SYBA was compared with a random forest, that was utilized as a baseline method, as well as with other two methods for synthetic accessibility assessment: SAScore and SCScore. When used with their suggested thresholds, SYBA improves over random forest classification, albeit marginally, and outperforms SAScore and SCScore. However, upon the optimization of SAScore threshold (that changes from 6.0 to ~4.5), SAScore yields similar results as SYBA. Because SYBA is based merely on fragment contributions, it can be used for the analysis of the contribution of individual molecular parts to compound synthetic accessibility. SYBA is publicly available at https://github.com/lich-uct/syba under the GNU General Public License.

Application of Fuzzy Matter Element Analysis to the Evaluation of Circulation Efficiency of Agricultural Products

2021 ◽  
Vol 7 (5) ◽  
pp. 1097-1106
Author(s):  
Zhixing Hu
Keyword(s):  
Geographical Location ◽  
Vertical Direction ◽  
Indicator System ◽  
Agricultural Products ◽  
Agricultural Product ◽  
Element Analysis ◽  
Evaluation Indicator ◽  
Matter Element Analysis ◽  
Evaluation Indicator System

This article builds an evaluation indicator system based on the process of agricultural circulation and the balance of many-sided benefits. A new classification of indicator types was made from the perspective of benefit balance, and gross profit margin and inventory-sales ratio were classified as interval indicators, which enriched the indicator types. The matter-element analysis method is used to measure the circulation efficiency of agricultural product wholesale markets. The study found that in terms of geographical location, in the vertical direction of Aihui-Tengchong Line, the closer to the southeast, the higher the circulation efficiency; Since 2016, the overall circulation efficiency has almost stagnated, mainly because the wholesale industry has strengthened its ability to control upstream and downstream relationships, and the entry barriers of agricultural products have been continuously increased.

Resistant/susceptible classification of respiratory tract pathogenic bacteria based on volatile organic compounds profiling

2018 ◽  
Vol 64 (9) ◽  
pp. 6 ◽  
Author(s):  
Najmeh Karami ◽  
Hassan Rezadoost ◽  
Fateme Mirzajani ◽  
Abdollah Karimi ◽  
Alireza Ghassempour ◽  
...  
Keyword(s):  
Volatile Organic Compounds ◽  
Respiratory Tract ◽  
Organic Compounds ◽  
Pathogenic Bacteria ◽  
Volatile Organic

Gas sensors based on quartz crystal microbalance for classification of volatile organic compounds

2014 ◽  
Author(s):  
Azucena Lopez Casique ◽  
Severino Munoz Aguirre ◽  
Salvador Alcantara Iniesta ◽  
Georgina Beltran Perez ◽  
Juan Castillo Mixcoatl
Keyword(s):  
Volatile Organic Compounds ◽  
Organic Compounds ◽  
Quartz Crystal Microbalance ◽  
Gas Sensors ◽  
Quartz Crystal ◽  
Volatile Organic
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