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Gopala Krishna Darbha
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Selective detection of mercury (II) ion using nonlinear optical properties of gold nanoparticles
GK Darbha, AK Singh, US Rai, E Yu, H Yu, P Chandra Ray
Journal of the American Chemical Society 130 (25), 8038-8043, 2008
4562008
Gold nanoparticle-based miniaturized nanomaterial surface energy transfer probe for rapid and ultrasensitive detection of mercury in soil, water, and fish
GK Darbha, A Ray, PC Ray
Acs Nano 1 (3), 208-214, 2007
3602007
Non-resonance SERS effects of silver colloids with different shapes
VS Tiwari, T Oleg, GK Darbha, W Hardy, JP Singh, PC Ray
Chemical Physics Letters 446 (1-3), 77-82, 2007
2272007
Gold nanoparticle based FRET asssay for the detection of DNA cleavage
PC Ray, A Fortner, GK Darbha
The Journal of Physical Chemistry B 110 (42), 20745-20748, 2006
1992006
Understanding the stability of nanoplastics in aqueous environments: effect of ionic strength, temperature, dissolved organic matter, clay, and heavy metals
N Singh, E Tiwari, N Khandelwal, GK Darbha
Environmental Science: Nano 6 (10), 2968-2976, 2019
1772019
Gold nanoparticle based FRET for DNA detection
PC Ray, GK Darbha, A Ray, J Walker, W Hardy
Plasmonics 2, 173-183, 2007
1732007
Gold‐nanorod‐based sensing of sequence specific HIV‐1 virus DNA by using hyper‐Rayleigh scattering spectroscopy
GK Darbha, US Rai, AK Singh, PC Ray
Chemistry–A European Journal 14 (13), 3896-3903, 2008
1312008
Gold-nanoparticle-based miniaturized laser-induced fluorescence probe for specific DNA hybridization detection: studies on size-dependent optical properties
CK Kim, RR Kalluru, JP Singh, A Fortner, J Griffin, GK Darbha, PC Ray
Nanotechnology 17 (13), 3085, 2006
1112006
Application of Zn/Al layered double hydroxides for the removal of nano-scale plastic debris from aqueous systems
E Tiwari, N Singh, N Khandelwal, FA Monikh, GK Darbha
Journal of hazardous materials 397, 122769, 2020
1062020
Characteristics and spatial distribution of microplastics in the lower Ganga River water and sediment
N Singh, A Mondal, A Bagri, E Tiwari, N Khandelwal, FA Monikh, ...
Marine Pollution Bulletin 163, 111960, 2021
942021
Biochar-facilitated remediation of nanoplastic contaminated water: effect of pyrolysis temperature induced surface modifications
ZA Ganie, N Khandelwal, E Tiwari, N Singh, GK Darbha
Journal of Hazardous Materials 417, 126096, 2021
882021
Eco-friendly magnetic biochar: An effective trap for nanoplastics of varying surface functionality and size in the aqueous environment
N Singh, N Khandelwal, ZA Ganie, E Tiwari, GK Darbha
Chemical Engineering Journal 418, 129405, 2021
882021
Metal Sorption onto Nanoscale Plastic Debris and Trojan Horse Effects in Daphnia magna: Role of Dissolved Organic Matter
M Fazel Abdolahpur, V Martina, G Zhiling, Z Peng, KD Gopala, ...
Water Research, 2020, 2020
65*2020
Retention of latex colloids on calcite as a function of surface roughness and topography
GK Darbha, T Schäfer, F Heberling, A Lüttge, C Fischer
Langmuir 26 (7), 4743-4752, 2010
602010
Interaction of metal oxide nanoparticles with microplastics: impact of weathering under riverine conditions
N Singh, N Khandelwal, E Tiwari, N Naskar, S Lahiri, J Lützenkirchen, ...
Water Research 189, 116622, 2021
572021
A gold-nanoparticle-based fluorescence resonance energy transfer probe for multiplexed hybridization detection: accurate identification of bio-agents DNA
PC Ray, GK Darbha, A Ray, W Hardy, J Walker
Nanotechnology 18 (37), 375504, 2007
572007
Metal oxide nanoparticles and polycyclic aromatic hydrocarbons alter nanoplastic’s stability and toxicity to zebrafish
N Singh, J Bhagat, E Tiwari, N Khandelwal, GK Darbha, SK Shyama
Journal of Hazardous Materials 407, 124382, 2021
542021
Particle number-based trophic transfer of gold nanomaterials in an aquatic food chain
F Abdolahpur Monikh, L Chupani, D Arenas-Lago, Z Guo, P Zhang, ...
Nature Communications 12 (1), 899, 2021
532021
Site-specific retention of colloids at rough rock surfaces
GK Darbha, C Fischer, J Luetzenkirchen, T Schäfer
Environmental science & technology 46 (17), 9378-9387, 2012
482012
Deposition of latex colloids at rough mineral surfaces: an analogue study using nanopatterned surfaces
G Krishna Darbha, C Fischer, A Michler, J Luetzenkirchen, T Schäfer, ...
Langmuir 28 (16), 6606-6617, 2012
472012
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