Abstract
An eco-friendly green and one-pot synthesis of highly monodispersed iron (Fe) nanoparticles (NPs) by using a natural biopolymer, gum kondagogu (GK) as reducing and capping agent is proposed. The NPs synthesised were characterised by ultra-violet-visible spectroscopy, transmission electron microscopy, scanning electron microscopy and X-ray diffraction. As the concentration of gum and time increases, the intensity of NPs formation increased. The NPs were highly monodispersed with uniform circular shapes of 2-6 nm in size. The formed NPs were crystalline in nature which was confirmed by diffraction analysis. The conversion ratio of Fe ionic form to NPs was 21% which was quantified by inductively coupled plasma mass spectroscopy (ICP-MS). Fe is essential for plant growth and development. A study was conducted to examine the effect of these NPs on the growth of mung bean (Vigna radiata). The radical length and biomass was increased in seeds exposed to Fe NPs than the ions. The uptake of Fe NPs by the sprouts was also quantified by ICP-MS, in which Fe was more in mung bean seeds exposed to NPs. The α-amylase activity was increased in the seeds exposed to NPs. The observed increase in the biomass by Fe NPs and seed germination may facilitate its application in the agriculture as an important cost-effective method for plant growth.
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Claims 4
Claim · model-written summary
Fe nanoparticles increased mung bean radicle length relative to ions.
- Taxon
- mung bean
.jpg?width=60)
Vigna radiatae1 - Treatment
- Fe NPse0
- Outcome
- radical lengthe0
- Direction
- increasede0
- Comparator
- the ionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“The radical length and biomass was increased in seeds exposed to Fe NPs than the ions”
e1“growth of mung bean (Vigna radiata)”
Claim · model-written summary
Fe nanoparticles increased mung bean seed biomass relative to ions.
- Taxon
- mung beanVigna radiatae1
- Treatment
- Fe NPse0
- Outcome
- biomasse0
- Direction
- increasede0
- Comparator
- the ionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The radical length and biomass was increased in seeds exposed to Fe NPs than the ions”
e1“growth of mung bean (Vigna radiata)”
Claim · model-written summary
Fe content was higher in mung bean seeds exposed to nanoparticles.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fe was more in mung bean seeds exposed to NPs”
e1“The radical length and biomass was increased in seeds exposed to Fe NPs than the ions”
Claim · model-written summary
Nanoparticle exposure increased seed α-amylase activity.
- Taxon
- mung beanVigna radiatae1
- Treatment
- NPse0
- Gene
- α-amylasee0
- Outcome
- α-amylase activitye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The α-amylase activity was increased in the seeds exposed to NPs”
e1“growth of mung bean (Vigna radiata)”
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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.