Abstract
Nanotechnology-enabled pesticide delivery systems have been widely studied and show great prospects in modern agriculture. Nanodelivery systems not only achieve the controlled release of agrochemicals but also possess many unique characteristics. This study presents the development of a pH-responsive pesticide nanoformulation utilizing hollow mesoporous silica nanoparticles (HMSNs) as a nanocarrier. The nanocarrier was loaded with the photosensitive pesticide prochloraz (Pro) and then combined with ZnO quantum dots (ZnO QDs) through electrostatic interactions. ZnO QDs serve as both the pH-responsive gatekeeper and the enhancer of the pesticide. The results demonstrate that the prepared nanopesticide exhibits high loading efficiency (24.96%) for Pro. Compared with Pro technical, the degradation rate of Pro loaded in HMSNs@Pro@ZnO QDs was reduced by 26.4% after 24 h ultraviolet (UV) exposure, indicating clearly improved photostability. In a weak acidic environment (pH 5.0), the accumulated release of the nanopesticide after 48 h was 2.67-fold higher than that in a neutral environment. This indicates the excellent pH-responsive characteristic of the nanopesticide. The tracking experiments revealed that HMSNs can be absorbed by rice leaves and subsequently transported to other tissues, indicating their potential for effective systemic distribution and targeted delivery. Furthermore, the bioactivity assays confirmed the fungicidal efficacy of the nanopesticide against rice blast disease. Therefore, the constructed nanopesticide holds great prospect in nanoenabled agriculture, offering a novel strategy to enhance pesticide utilization.
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Claims 6
Claim · model-written summary
The nanopesticide loaded Pro at 24.96% efficiency.
- Taxon
- Rice
Oryza sativat0 - Outcome
- loading efficiencye0
- Value
- 24.96%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice Blast Disease”
e0“the prepared nanopesticide exhibits high loading efficiency (24.96%) for Pro”
Claim · model-written summary
Pro degradation in the formulation fell by 26.4% relative to Pro technical after UV exposure.
- Taxon
- RiceOryza sativat0
- Outcome
- degradation rate of Proe0
- Direction
- reducede0
- Value
- 26.4%e0
- Qualifier
- after 24 h ultraviolet (UV) exposuree0
- Comparator
- Pro technicale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice Blast Disease”
e0“Compared with Pro technical, the degradation rate of Pro loaded in HMSNs@Pro@ZnO QDs was reduced by 26.4% after 24 h ultraviolet (UV) exposure”
Claim · model-written summary
Nanopesticide release in weak acid was 2.67-fold higher than neutral conditions.
- Taxon
- RiceOryza sativat0
- Outcome
- accumulated release of the nanopesticidee0
- Direction
- highere0
- Value
- 2.67-folde0
- Comparator
- neutral environmente0
- Setting
- weak acidic environment (pH 5.0)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice Blast Disease”
e0“In a weak acidic environment (pH 5.0), the accumulated release of the nanopesticide after 48 h was 2.67-fold higher than that in a neutral environment”
Claim · model-written summary
HMSNs were absorbed by rice leaves.
- Taxon
- riceOryza sativae0
- Organ / stage
- leavese0
- Outcome
- HMSNs can be absorbede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HMSNs can be absorbed by rice leaves”
Claim · model-written summary
HMSNs were transported from rice leaves to other tissues.
- Taxon
- riceOryza sativae0
- Organ / stage
- leavese0
- Outcome
- transported to other tissuese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HMSNs can be absorbed by rice leaves and subsequently transported to other tissues”
Claim · model-written summary
The nanopesticide showed fungicidal efficacy against rice blast disease.
- Taxon
- riceOryza sativae0
- Treatment
- nanopesticidee0
- Outcome
- fungicidal efficacye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“bioactivity assays confirmed the fungicidal efficacy of the nanopesticide against rice blast disease”
The same questions in other papers
nanoparticle · control · Oryza sativa (rice)Results agree
6 papers in the same direction as this paper
- positive
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See all 7 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.