scholarly journals Microwave‐assisted degradation of chitosan with hydrogen peroxide treatment using Box‐Behnken design for enhanced antibacterial activity

2017 ◽  
Vol 53 (1) ◽  
pp. 156-165 ◽  
Author(s):  
Yiwen Zhang ◽  
Hongcai Zhang ◽  
Shunsheng Chen ◽  
Hao Fu ◽  
Yanyun Zhao
Keyword(s):  
Hydrogen Peroxide ◽  
Antibacterial Activity ◽  
Box Behnken Design ◽  
Microwave Assisted ◽  
Hydrogen Peroxide Treatment

Microwave assisted synthesis of novel Pyrazole derivatives and their biological evaluation as anti-bacterial agents

2020 ◽  
Vol 23 ◽  
Author(s):  
Hadis Khodadad ◽  
Farhad Hatamjafari ◽  
Khalil Pourshamsian ◽  
Babak Sadeghi
Keyword(s):  
Antibacterial Activity ◽  
Aromatic Aldehydes ◽  
Catalytic Amount ◽  
Antibacterial Activities ◽  
Structural Features ◽  
Biological Evaluation ◽  
Aureus Strain ◽  
Microwave Assisted Synthesis ◽  
Pyrazole Derivatives ◽  
Microwave Assisted

Aim and Objective: Microwave-assisted condensation of acetophenone 1 and aromatic aldehydes 2 gave chalcone analogs 3, which were cyclized to pyrazole derivatives 6a-f via the reaction with hydrazine hydrate and oxalic acid in the presence of the catalytic amount of acetic acid in ethanol. Materials and Methods: The structural features of the synthesized compounds were characterized by melting point, FT-IR, 1H, 13C NMR and elemental analysis. Results: The antibacterial activities of the synthesized pyrazoles was evaluated against three gram-positive bacteria such as Enterococcus durans, Staphylococcus aureus, Bacillus subtilis and two gram-negative bacteria such as Escherichia coli and Salmonella typhimurium. Conclusion: All the synthesized pyrazoles showed relatively high antibacterial activity against S. aureus strain and none of them demonstrated antibacterial activity against E. coli.

An in vitro senescence model of gingival epithelial cell induced by hydrogen peroxide treatment

Odontology ◽  
2021 ◽  
Author(s):  
Sarita Giri ◽  
Ayuko Takada ◽  
Durga Paudel ◽  
Koki Yoshida ◽  
Masae Furukawa ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Epithelial Cell ◽  
Gingival Epithelial Cell ◽  
Hydrogen Peroxide Treatment

scholarly journals Active macromolecules of honey form colloidal particles essential for honey antibacterial activity and hydrogen peroxide production

2017 ◽  
Vol 7 (1) ◽  
Author(s):  
Katrina Brudzynski ◽  
Danielle Miotto ◽  
Linda Kim ◽  
Calvin Sjaarda ◽  
Liset Maldonado-Alvarez ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Antibacterial Activity ◽  
Colloidal Particles ◽  
Hydrogen Peroxide Production
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