Manivannan Madhu

ORCID: 0000-0002-3111-6327
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Research Areas
  • Nanocluster Synthesis and Applications
  • Advanced Nanomaterials in Catalysis
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Carbon and Quantum Dots Applications
  • Covalent Organic Framework Applications
  • Luminescence and Fluorescent Materials
  • Conducting polymers and applications
  • Metal-Organic Frameworks: Synthesis and Applications
  • Quantum Dots Synthesis And Properties
  • Molecular Sensors and Ion Detection
  • Advanced biosensing and bioanalysis techniques
  • 2D Materials and Applications
  • Analytical Chemistry and Sensors
  • Chalcogenide Semiconductor Thin Films
  • Sulfur Compounds in Biology
  • Proteoglycans and glycosaminoglycans research
  • Glycosylation and Glycoproteins Research
  • Molecular Junctions and Nanostructures
  • Silicone and Siloxane Chemistry
  • Dendrimers and Hyperbranched Polymers
  • Adsorption and biosorption for pollutant removal
  • Electrochemical sensors and biosensors
  • Synthesis and properties of polymers
  • Biosensors and Analytical Detection
  • Zeolite Catalysis and Synthesis

National Sun Yat-sen University
2019-2025

Saveetha University
2024

Neem resin-derived CDs (NR-CDs) exhibited a quantum yield of 21%, allowing them for multiple applications in sensitive detection Fe 2+ ions, and also the degradation dyes presence NaBH 4.

10.1039/d3su00404j article EN cc-by RSC Sustainability 2024-01-01

The Expansion of modern industry underscores the urgent need to address heavy metal pollution, which is a threat human-health and environment. Efforts are underwent develop precise technologies for detecting ions (M

10.1002/marc.202400263 article EN Macromolecular Rapid Communications 2024-06-15

In recent years, molybdenum disulfide nanosheets (MoS2 NSs) with sulfur surface defects have been used for surface-enhanced Raman scattering (SERS). However, methods to generate on the MoS2 NS are sophisticated and expensive. this study, we present a relatively straightforward approach quickly creating NSs by chemical treatment NaBH4. Few-layered (FL-MoS2 were formed exfoliating bulk-MoS2 in isopropanol. By oxidation–reduction reactions of FL-MoS2 mixed suitable concentration NaBH4,...

10.1021/acs.jpcc.3c01044 article EN The Journal of Physical Chemistry C 2023-05-02

Ratiometric strategy are an invaluable method that helps to detect and quantify analytes. This approach relies on measuring changes in the ratio of two or more signals improve accuracy sensitivity results. strategies widely used a variety fields including biomedical, environmental monitoring food safety. It is particularly popular when traditional single-signal based detection methods not feasible, especially interfering substances severely affect detection. In addition, ratiometric have...

10.3389/frans.2023.1258558 article EN cc-by Frontiers in Analytical Science 2023-09-25

This study explores the synthesis and characterization of aggregation-induced emission enhancement (AIEE)–active gold nanoclusters (AuNCs), focusing on their near-infrared luminescence properties potential applications in biological imaging. These AIEE-active AuNCs were synthesized via NaBH4-mediated reduction HAuCl4 presence peptides. We systematically investigated influence peptide sequence optical features AuNCs, highlighting role glutamic acid enhancing quantum yield (QY). Among...

10.1021/acs.analchem.4c00321 article EN cc-by Analytical Chemistry 2024-05-23

In this study, we have used the one-pot polycondensation method to prepare novel 2D conjugated microporous polymers (Th-F-CMP) containing thiophene (Th) and fluorene (Fl) moieties through Suzuki cross-coupling reaction. The thermogravimetric analysis (TGA) data revealed that Th-F-CMP (Td10 = 418 °C, char yield: 53 wt%). Based on BET analyses, sample displayed a specific surface area of 30 m2 g-1, pore size was 2.61 nm. Next, show effectiveness our utilized as fluorescence probe for selective...

10.3390/mi13091466 article EN cc-by Micromachines 2022-09-04

This study synthesized two azide-functionalized monomers through p-dichloro xylene and double-decker silsesquioxane (DDSQ) units with NaN3 to form DB-N3 DDSQ-N3 monomers, respectively. In addition, five different propargyl-functionalized were also prepared from hydroquinone, bisphenol A, bis(4-hydroxyphenyl)methanone, 2,4-dihydroxybenzaldehyde (then reacted hydrazine hydrate solution) 1,2-bis(4-hydroxyphenyl)-1,2-diphenylethene propargyl bromide P-B, P-BPA, P-CO, P-NP, P-TPE As a result,...

10.3390/polym15020331 article EN Polymers 2023-01-09

The phosphorescence of solid-state carbon dots (CDs) has been demonstrated to be susceptible water molecules. However, solution-based CDs have rarely exploited for detection trace amounts in organic solvents. Here, we present a straightforward method embed the into NaCl nanocrystals and show their application content phosphorescent inside were fabricated by hydrothermal treatment poly(diallyldimethylammonium) (PDDA) polymers counter chloride ions (Cl-) presence NaOH. Because interaction with...

10.1039/d1ay01202a article EN Analytical Methods 2021-01-01

Sulfur vacant sites in MoS2 nanosheets (NSs) have been confirmed to be effective reacting with thiol molecules solution. However, little-to-no information is known about the molar ratio of remaining thiols and produced disulfides reaction NSs molecules. Additionally, MoSe2 NS-mediated conversion has not explored at present. Herein, we conducted a comparative study regarding very-few-layer (VFL; layer number ∼ 3) VFL-MoSe2 NS-induced glutathione (GSH) GSH disulfide (GSSG) phosphate-buffered...

10.1021/acsanm.2c01920 article EN ACS Applied Nano Materials 2022-08-01
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