Rajaram Rajamohan

Prof. Dr. Rajaram Rajamohan

School of Chemical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk, Republic of Korea
orcid

Research Focus & Metrics

Academic Career Length

19Years (2008-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

View All Publications
1 November 2008 in Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
Verified
Journal Article
Closed access
MSM. Shanmugam
M. Shanmugam
RDRamesh Duraisamy
Ramesh Duraisamy
VNV. Nagalakshmi
V. Nagalakshmi
RKR. Kavitha
R. Kavitha
Rajaram RajamohanRajaram Rajamohan
Rajaram Rajamohan
STSTALIN THAMBUSAMY
STALIN THAMBUSAMY

1 November 2015 in Journal of Molecular Structure
Verified
Journal Article
Closed access
SPSamikannu Prabu
Samikannu Prabu
MSMeenakshisundaram Swaminathan
Meenakshisundaram Swaminathan
KSKrishnamoorthy Sivakumar
Krishnamoorthy Sivakumar
Rajaram RajamohanRajaram Rajamohan
Rajaram Rajamohan

1 December 2014 in Carbohydrate Polymers
Verified
Journal Article
Closed access
RPR. Periasamy
R. Periasamy
SKS. Kothainayaki
S. Kothainayaki
Rajaram RajamohanRajaram Rajamohan
Rajaram Rajamohan
KSK. Sivakumar
K. Sivakumar


15 February 2023 in Micromachines
Verified
Journal Article
Open access
PDF file
Rajaram RajamohanRajaram Rajamohan
Rajaram Rajamohan
Chaitany Jayprakash RaoraneChaitany Jayprakash Raorane
Chaitany Jayprakash Raorane
Seong-Cheol KimSeong-Cheol Kim
Seong-Cheol Kim
SASekar Ashokkumar
Sekar Ashokkumar
YLYong Rok Lee
Yong Rok Lee
The exceptional characteristics of bio-synthesized copper oxide nanoparticles (CuO NPs), including high surface-to-volume ratio and high-profit strength, are of tremendous interest. CuO NPs have cytotoxic, catalytic, antibacterial, and antioxidant properties. Fruit peel extract has been recommended as a valuable alternative method due to the advantages of economic prospects, environment-friendliness, improved biocompatibility, and high biological activities, such as antioxidant and antimicrobial activities, as many physical and chemical methods have been applied to synthesize metal oxide NPs. In the presence of apple peel extract and microwave (MW) irradiation, CuO NPs are produced from the precursor CuCl2. 2H2O. With the help of TEM analysis, and BET surface area, the average sizes of the obtained NPs are found to be 25–40 nm. For use in antimicrobial applications, CuO NPs are appropriate. Disk diffusion tests were used to study the bactericidal impact in relation to the diameter of the inhibition zone, and an intriguing antibacterial activity was confirmed on both the Gram-positive bacterial pathogen Staphylococcus aureus and Gram-negative bacterial pathogen Escherichia coli. Moreover, CuO NPs did not have any toxic effect on seed germination. Thus, this study provides an environmentally friendly material and provides a variety of advantages for biomedical applications and environmental applications.

26 December 2022 in Materials
Verified
Journal Article
Open access
PDF file
Rajaram RajamohanRajaram Rajamohan
Rajaram Rajamohan
Chaitany Jayprakash RaoraneChaitany Jayprakash Raorane
Chaitany Jayprakash Raorane
Seong-Cheol KimSeong-Cheol Kim
Seong-Cheol Kim
YLYong Rok Lee
Yong Rok Lee
The unique semiconductor and optical properties of copper oxides have attracted researchers for decades. However, using fruit waste materials such as peels to synthesize the nanoparticles of copper oxide (CuO NPs) has been rarely described in literature reviews. The main purpose of this part of the research was to report on the CuO NPs with the help of apple peel extract under microwave irradiation. Metal salts and extracts were irradiated at 540 W for 5 min in a microwave in a 1:2 ratio. The crystallinity of the NPs was confirmed by the XRD patterns and the crystallite size of the NPs was found to be 41.6 nm. Elemental mapping of NPs showed homogeneous distributions of Cu and O. The NPs were found to contain Cu and O by EDX and XPS analysis. In a test involving two human pathogenic microbes, NPs showed antibacterial activity and the results revealed that the zone of inhibition grew significantly with respect to the concentration of CuO NPs. In a biofilm, more specifically, NPs at 25.0 µg/mL reduced mean thickness and biomass values of S. aureus and E. coli biofilms by >85.0 and 65.0%, respectively, with respect to untreated controls. In addition, environmentally benign materials offer a number of benefits for pharmaceuticals and other biomedical applications as they are eco-friendly and compatible.