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Формат представления найденных документов:
полный	информационный	краткий

Поисковый запрос: (<.>S=BIODEGRADABLE<.>)

Общее количество найденных документов : 1

A study of the properties and efficacy of microparticles based on P(3HB) and P(3HB/3HV) loaded with herbicides / R. Vijayamma, H. J. Maria, S. Thomas [et al.] // J. Appl. Polym. Sci. - 2021. - Ст. e51756, DOI 10.1002/app.51756. - Cited References:57. - This work was supported by Project "Agropreparations of the new generation: a strategy of construction and realization" (Agreement No 074-02-2018-328) in accordance with Resolution No 220 of the Government of the Russian Federation of April 9, 2010, "On measures designed to attract leading scientists to the Russian institutions of higher learning". Instruments of Krasnoyarsk Regional Center of Research Equipment of Federal Research Center Krasnoyarsk Science Center SB RAS were used. . - Article in press. - ISSN 0021-8995. - ISSN 1097-4628

РУБ Polymer Science
Рубрики:
FENOXAPROP-P-ETHYL
CONTROLLED-RELEASE
BIODEGRADABLE
Кл.слова (ненормированные):
biodegradable -- drug delivery systems -- microparticles
Аннотация: The wide use of pesticides in agriculture has caused uncontrolled distribution of these chemicals in the environment, calling for the development and investigation of new environmentally friendly formulations, which would reduce human impact on nature. In the present study, the metribuzin (MET), tribenuron-methyl (TBM), and fenoxaprop-P-ethyl (FPE) herbicides were encapsulated in microparticles of degradable microbial polymers - polyhydroxyalkanoates (PHAs) - of two types - poly-3-hydroxybutyrate [P(3HB)] and poly(3-hydroxybutyrate-co-3-hydroxyvalerate [P(3HB/3HV)]. The use of P(3HB) resulted in higher yields of microparticles (63% to 79%) and larger sizes of the particles, whose average diameter was 0.60 +/- 0.06-0.75 +/- 0.11 mu m, while the average diameter of copolymer particles varied between 0.43 +/- 0.12 and 0.55 +/- 0.05 mu m. Encapsulation efficiency was rather determined by the type of herbicide and its solubility, varying from 24.7% to 48.2%. In vitro herbicide release from microparticles to water was affected by herbicide solubility and PHA chemical composition. The readily soluble MET showed the highest release rate, and over 30 days, 64% and 78% of the encapsulated amounts were released from P(3HB) and P(3HB/3HV) microparticles, respectively. High herbicidal activity of microparticles loaded with metribuzin and tribenuron-methyl was demonstrated in the laboratory stands of the Elsholtzia ciliata weed plant.

WOS
Держатели документа:
Siberian Fed Univ, Inst Fundamental Biol & Biotechnol, Krasnoyarsk, Russia.
Mahatma Gandhi Univ, Int & Inter Univ Ctr Nanosci & Nanotechnol, Kottayam, Kerala, India.
RAS, Krasnoyarsk Sci Ctr SB, Fed Res Ctr, Inst Biophys SB, Krasnoyarsk, Russia.
RAS, Krasnoyarsk Sci Ctr SB, Res Equipment Fed Res Ctr, Krasnoyarsk Reg Ctr, Krasnoyarsk, Russia.
RAS, Krasnoyarsk Sci Ctr SB, Fed Res Ctr, LV Kirensky Inst Phys, Krasnoyarsk, Russia.
Reshetnev Siberian State Univ Sci & Technol, Sci Lab, Krasnoyarsk, Russia.

Доп.точки доступа:
Vijayamma, Raji; Maria, Hanna J.; Thomas, Sabu; Shishatskaya, Ekaterina I.; Kiselev, Evgeniy G.; Nemtsev, Ivan V.; Sukhanova, Anna A.; Volova, Tatiana G.; Project "Agropreparations of the new generation: a strategy of construction and realization" [074-02-2018-328]; Government of the Russian Federation [220]

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