Results 21 to 30 of about 2,831 (175)

Effect of adsorption variables on the removal of Cadmium ions from wastewater using activated periwinkle shell from Okada, Edo State

open access: yesThe Proceedings of the Nigerian Academy of Science, 2022
This paper details the effect of adsorption variables on the removal of cadmium ions from wastewater using activated periwinkle shell. The periwinkle shells were carbonized for 1.5h for 900oC, and activated using HNO3 and calcium chloride solution.
Cyril E. Nworie   +3 more
doaj   +1 more source

periwinkle moves

open access: yesLanguage and Literacy: A Canadian Educational e-journal, 2000
monna mcdiarmid
doaj   +3 more sources

Distribution pattern and titer of Candidatus Liberibacter asiaticus in periwinkle (Catharanthus roseus)

open access: yesJournal of Integrative Agriculture, 2018
Candidatus Liberibacter asiaticus (CaLas), an uncultured Gram-negative alphaproteobacterium, is the causal agent of Huanglongbing (HLB) in citrus. CaLas resides in phloem sieve tubes and has been shown to be unequally distributed in different tissues ...
Ya LI   +3 more
doaj   +1 more source

Production of Periwinkle Shell Reinforced Grindstone

open access: yesJournal of Applied Sciences and Environmental Management, 2022
The study involves the use of periwinkle shell particles as reinforcement in the production of grindstone to meliorate its physical and mechanical properties. The assessment of the properties of the periwinkle shell reinforced concrete grindstone showed
I. F. Ikechukwu   +2 more
doaj   +1 more source

Transmission of Xylella fastidiosa Subspecies Pauca Sequence Type 53 by Different Insect Species

open access: yesInsects, 2019
Diseases associated with Xylella fastidiosa have been described mostly in North and South America. However, during the last five years, widespread X. fastidiosa infections have been reported in a constrained area of the Apulia region (southern Italy), in
Vincenzo Cavalieri   +7 more
doaj   +1 more source

Water-Soluble Ammonium BODIPYs: Synthesis, Photophysics, Photogelation, and Antimicrobial Activity. [PDF]

open access: yesChem Asian J
Cationic ammonium BODIPY compounds were developed as water‐soluble multifunctional antimicrobial photoinitiators for the generation of biocompatible hydrogels. One of the ammonium BODIPY compounds (BODIPYC6H4NMe2Et) was able to photoinitiate the crosslinking of poly(vinyl alcohol) methacrylate (PVA‐MA) and gelatin‐methacryoyl (Gel‐MA) using visible ...
He Q   +5 more
europepmc   +2 more sources

Optimization of Callus Induction and Cell Suspension in Catharanthus roseus [PDF]

open access: yesمجله بیوتکنولوژی کشاورزی, 2012
Periwinkle (Catharanthus roseus) has been considered as an important medicinal plant because it contains many alkaloids such as vincristine and vinblastine.
Jafar Ahmadi   +3 more
doaj   +1 more source

Detecção de 'CA. Phytoplasma phoenicium' em plantas de pervinca (Cathranthus roseus) em Uttar Pradesh, Índia

open access: yesBioscience Journal, 2022
Cathranthus roseus also known as periwinkle, an ornamental plant contains several medicinal values, was found with the symptoms of little leaf and witches’ broom at Shahjahanpur location with the incidence of up to 8%.
Niraj Nath Tiwari   +2 more
doaj   +1 more source

Exploration of the Mechanisms of Differential Indole Alkaloid Biosynthesis in Dedifferentiated and Cambial Meristematic Cells of Catharanthus roseus Using Transcriptome Sequencing

open access: yesFrontiers in Genetics, 2022
Catharanthus roseus produces terpenoid indole alkaloids (TIAs) of high medicinal importance. The current research focuses on finding an efficient production system such as cell suspension cultures for high TIA concentrations.
Pengfei Zhou, Mingxiang Chen
doaj   +1 more source

Experimental investigation of the performance of palm kernel shell and periwinkle shell as partial replacement for coarse aggregate in asphaltic concrete

open access: yesJournal of Building Materials and Structures, 2016
Performance of non-conventional materials namely palm kernel shell (PKS) and periwinkle shell (PWS) were investigated. Sieve analysis, aggregate impact value (AIV), aggregate crushing value (ACV), bitumen penetration, Marshall Stability, flash and fire ...
Olugbenga Joseph Oyedepo   +1 more
doaj   +1 more source

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