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Applications of microcalorimetry in the antibacterial activity evaluation of various Rhizoma coptidis.

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BACKGROUND Various Rhizoma coptidis are commonly used in clinical applications due to their strong antibacterial effect. OBJECTIVE The antibacterial effect of various R. coptidis were evaluated by microcalorimetry together with statistical analysis. METHODS The dried roots of Coptis chinensis

The effects of bacteria-nanoparticles interface on the antibacterial activity of green synthesized silver nanoparticles.

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Neutralization of bacterial cell surface potential using nanoscale materials is an effective strategy to alter membrane permeability, cytoplasmic leakage, and ultimate cell death. In the present study, an attempt was made to prepare biogenic silver nanoparticles using biomolecules from the aqueous

Large-Scale Screening of 239 Traditional Chinese Medicinal Plant Extracts for Their Antibacterial Activities against Multidrug-Resistant Staphylococcus aureus and Cytotoxic Activities.

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Novel alternative antibacterial compounds have been persistently explored from plants as natural sources to overcome antibiotic resistance leading to serious foodborne bacterial illnesses. In this study, the ethanolic extracts from 239 traditional Chinese medicinal plants (TCMP)' materials were

In vitro antibacterial action of extracts from coptis root.

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Electrospinning Fabrication of Poly(vinyl alcohol)/Coptis chinensis Extract Nanofibers for Antimicrobial Exploits.

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Coptis chinensis (CC) is used in conventional Chinese medicine. The main active components of CC are isoquinoline alkaloids, including berberine, coptisine, palmatine, and magnoflorine; all these are known to have several pharmacological properties. Poly(vinyl alcohol) (PVA) is a well-known

Inhibition of the bacterial surface protein anchoring transpeptidase sortase by isoquinoline alkaloids.

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The inhibitory activity of Coptis chinensis rhizome-derived material was evaluated against sortase, a bacterial surface protein anchoring transpeptidase, from Staphylococcus aureus ATCC 6538p and compared to that of four commercially available isoquinoline alkaloids. The biologically active

Combination of berberine and ciprofloxacin reduces multi-resistant Salmonella strain biofilm formation by depressing mRNA expressions of luxS, rpoE, and ompR.

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Bacterial biofilms have been demonstrated to be closely related to clinical infections and contribute to drug resistance. Berberine, which is the main component of Coptis chinensis, has been reported to have efficient antibacterial activity. This study aimed to investigate the potential effect of a

[Clinical and experimental study of burns treated locally with Chinese herbs].

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According to the multiple pharmacological functions of Chinese herbs for treating burns, the authors selected some traditional herbs to cure the burning wound, which had not only the function of improving the local microcirculation of the burned surface and their bactericidal action, but also the

Anti-acne effects of Oriental herb extracts: a novel screening method to select anti-acne agents.

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The acne-therapeutic effects of Oriental herb extracts were investigated in terms of antichemotactic effect on polymorphonuclear leucocytes, antilipogenic actions, antibacterial activity against Propionibacterium acnes and resistance induction potency in the bacteria. The ethanol extract (0.01%) of

Coptis teeta-based agroforestry system and its conservation potential: a case study from northwest Yunnan.

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Coptis teeta (Ranunculaceae), is a nontimber forest product (NTFP) that only grows in northwest Yunnan and northeast India. Its tenuous rhizome, known as "Yunnan goldthread" in the traditional Chinese medicine system, has been used as an antibacterial and as an antiinflammatory medicine for a long

[Research on bitter components from Coptis chinensis based on electronic tongue].

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Isolated alkaloids from Coptis chinensis Franch. The compounds were identified as berberine, columbamine, groenlandicine, jatrorrhizine, magnoflorine, corydaldine and ferulic acid methylester. Then measured their bitter degree based on the electronic tongue and evaluated the antibacterial. The

Antimicrobial activity of berberine alone and in combination with ampicillin or oxacillin against methicillin-resistant Staphylococcus aureus.

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Methicillin-resistant Staphylococcus aureus (MRSA) bacteria have been responsible for substantial morbidity and mortality in hospitals because they usually have multidrug resistance. Some natural products are candidates as new antibiotic substances. In the present study, we investigated the

Chemical profiling of Coptis rootlet and screening of its bioactive compounds in inhibiting Staphylococcus aureus by UPLC-Q-TOF/MS.

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Coptis chinensis Franch. is a traditional Chinese medical herb, only the rhizome is used in clinical. However, the other discarded parts, such as rootlet, still contain a large amount of active ingredients. In this article, UPLC-ESI-Q-TOF/MS method was used to identify components of Coptis rootlet,

Biosynthesis, characterization, and anticancer effect of plant-mediated silver nanoparticles using Coptis chinensis.

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Tremendous growth in nanotechnology has opened up new frontiers in fundamental and applied aspects, including the synthesis of nanoscale matter and understanding/utilizing its exotic physicochemical and optoelectronic properties. Green-synthesis methods employing either biological

Coptisine from Coptis chinensis exerts diverse beneficial properties: A concise review.

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Coptisine is a natural small-molecular compound extracted from Coptis chinensis (CC) with a history of using for thousands of years. This work aimed at summarizing coptisine's activity and providing advice for its clinical use. We analysed the online papers in the database of SciFinder, Web of

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