Emergence of robust carbon quantum dots as nano-tracer for groundwater studies☆

Warsi, Taufique; Bhattacharjee, Lopamudra; Thangamani, S; Jat, Sanjeev K.; Mohanta, Kallol; Bhattacharjee, Rama Ranjan; Ramaswamy, Rangarajan; Manikyamba, C.; Rao, T. V.

doi:10.1016/j.diamond.2020.107701

Cited by 14 publications

(6 citation statements)

References 42 publications

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“…This should be the inorganic part which has robust C-C structure. 26 However, it would be noted that phase transition temperature of the DHPM molecules did not change though the conjugation with CQDs strongly altering thermodynamic property of the DHPM molecules.…”

Section: Resultsmentioning

confidence: 98%

“…It has a wide range of excitation dependent emission and also CQDs are non-cytotoxic. 26 The carbon quantum dots are relatively inactive and can be functionalized according to the needs. These advantages make carbon quantum dots as one of the promising alternatives to coumarin as fluorophore.…”

Section: Resultsmentioning

confidence: 99%

“…It could be seen that there was a gradual weight loss even before that, which may be due to slow burning of the surface functionalization material (PSS) of CQDs. 26 Decomposition is incomplete since ~15% of retained which decays slowly. This should be the inorganic part which has robust C-C structure.…”

Section: Resultsmentioning

confidence: 99%

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Assessment of dihydropyrimidinone-based nanocomposites as multifunctional anti-cancer drug

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Section: Resultsmentioning

confidence: 98%

Section: Resultsmentioning

confidence: 99%

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“…Finally, it was found that PSS-CQDs were promising hydrogeological tracers for groundwater studies [86]. CQDs are found to have excellent selectivity toward the target.…”

Section: N = K Jmentioning

confidence: 98%

Water Purification by Carbon Quantum Dots

Sridharan

Ilango

Samuel³

2021

Inorganic-Organic Composites for Water and Wastewater Treatment

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Sustainable, sufficient and pure water is vital on earth at present. Of all processes used to purify water, nanotechnology plays an important role. Nanomaterials are available in all stages like membranes in filtration, adsorbents of pollutants, photocatalysts for degradation and for detection of pollutants in water purification. Carbon quantum dots (CQDs), an accidentally invented nanomaterial, like in many applications have supported in water purification in all stages. Hence, it is intended for a mini-review for the water purification techniques with carbon quantum dots (CQDs). The chapter consists of three parts. Many nanotechnological methods are employed in water purification. Among them, nanomembranes play a dominant role in detection, nanofiltration and degradation in water purification. Next, nanomaterials as adsorbents, sensors and photocatalytic activity for water remediation are being investigated largely. Hence, they are discussed in the first part. In the second part, the features of CQDs are considered for its versatile applications. The easy and low-cost preparation of CDQs from easily available materials are investigated from the research published articles. In the third part, an attempt is made to collectively analyze the CQDs contributions as membranes in water purification, to detect the presence of organic, inorganic and dye contamination from water is reviewed. Further, the removal of the harmful and or toxic elements from polluted and impure water is discussed from various research groups.

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“…At the same time, one study came out that imparted our idea about the use of carbon quantum dots as anticoronavirus therapy; seven different CQDs were synthesized and used for the treatment of HCoV. Surprisingly, an equally large and restrained process was seen at the viral replication step [39,40]. In another study, an increase of a unit degree Celsius and a unit percent in relative humidity could lead to a decrease in viral reproductive number by 0.0383 and 0.0224, respectively.…”

Section: Vindication and Deterrence Of New Strategiesmentioning

confidence: 99%

Novel Coronavirus (SARS-CoV-2) in Water and Environment—A Scoping Review

Warsi

Arora

Rizvi

et al. 2022

Life

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A pneumonia outbreak was primarily reported in the fall of 2019 in Wuhan, Hubei province, China, with the identity SARS-CoV-2, a novel coronavirus. It quickly grew from a local epidemic to a global pandemic and was declared a public health emergency by the WHO. A total of three prominent waves were identified across the globe, with a slight temporal variability as per the geographical locations, and has impacted several sectors which connect the world. By March 2022, the coronavirus had infected 444.12 million people and claimed 6.01 million human lives worldwide, and these numbers have not yet stabilized. Our paper enlightens readers on the seven strains of human coronaviruses, with special emphasis on the three severe deadliest outbreaks (SARS-2002, MERS-2012, and COVID-19). This work attempts a comprehensive understanding of the coronavirus and its impact on the possible sectors that link the world through the economic chain, climate conditions, SDGs, recycling of the event, and mitigations. There are many points that are raised by the authors in the possible sectors, which are emerging or are as yet unnoticed and thus have not been taken into consideration. This comprehension will leave sets of new challenges and opportunities for the researchers in various streams, especially in earth sciences. Science-integrated research may help to prevent upcoming disasters as a by-product of (existing) epidemics in the form of coronavirus.

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Emergence of robust carbon quantum dots as nano-tracer for groundwater studies☆

Cited by 14 publications

References 42 publications

Assessment of dihydropyrimidinone-based nanocomposites as multifunctional anti-cancer drug

Assessment of dihydropyrimidinone-based nanocomposites as multifunctional anti-cancer drug

Water Purification by Carbon Quantum Dots

Novel Coronavirus (SARS-CoV-2) in Water and Environment—A Scoping Review

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