Green hydrothermal synthesis of multifunctional carbon dots from cassava pulps for metal sensing, antioxidant, and mercury detoxification in plants

Watcharamongkol, Teera; Khaopueak, Pacharaphon; Seesuea, Chuleekorn; Wechakorn, Kanokorn

doi:10.1016/j.crcon.2023.100206

Cited by 13 publications

(2 citation statements)

References 52 publications

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“…However, it comes with several disadvantages, including challenges in upscaling and limitations regarding the use of low boiling points solvents. Various biomass feedstocks have Avocado peels [32] 180 °C, 24 h 350 2.9 14.81 Bagasse [33] 200 °C, 8 h 330 2.9 4.7 Bamboo leaves [34] 200 °C, 6 h 365 6 7.1 Cassava pulp [35] 200 °C, 6-24 h 360 1-4 16.7-31.9 Citrus pectin [36] 180 °C, 2 h 360 2.7 1.1 Cauliflower Leaves [37] 220 °C, 8 h 365 2-5 -Cucumber Juice [38] 150 °C, 6 h 365 > 10 3.2 Coconut husk [39] 200 °C, 3 h 440 1-8 -Dwarf-banana peel waste [40] 200°C, 24 h -23 Expired milk [41] 180 °C, 2 h 8.64 Fish scales [42] 200 °C, 20 h 360 4-9 9 Flower petals [43] 250 °C, 3 h 470 1.5-4 -Grass [44] 180 °C, 3 h 360 3 ~5 2.5 ~6.2 Kitchen waste [45] 150 °C, 2 h 300-440 50 -Lemon peel [46] 200 °C, 12 h 300-540 1-3 14 Lignin biomass [47] 180 °C, 12 h 280-450 2 ~6 21 Onion waste [48] 120 °C, 2 h 320-540 9 28 Orange peels [49] 180 °C, 12 h 340 2-7 36 Papaya peel [50] 200 °C, 5 h 370 3.40 19 Phellodendron chinense schneid [51] 150 °C, 6 h 250-300 3-5 14 Peach gum [52] 180 °C, 16 h 330-450 2 ~5 28.5 Pipe tobacco (Cigars) [53] 180 °C, 8 h 310-430 5 3.2 Pomegranate peels [54] 100 °C, 12 h 360 4.7 -Pomelo peel [55] 200 °C, 3 h 365 2 ~4 6.9 Potato peel [56] 180 °C, 2 h 323-365 0.2 ~2.2 6.1 Rice residues [57] 200 °C, 12 h 440 2.7 23.5 Sweet pepper [58] 180 °C, 5 h 360 2 ~7 19.5 Sweet potato [59] 180 °C, 18 h 300-410 2.5 ~5.5 8.5 Tea leaves [60] 200 °C, 10 h 370 -12 Thumbai waste [31] 200 °C, 5 h 360 5 -Wheat straw [61] 250 °C, 10 h 365 < 2 9.2 Wheat bran [62] 180 °C, 3 h 410 -33 Water hyacinth [63] 160 °C, 24 h 365 5.22 17 Waste paper [64] 180 °C, 10 h 320-500 3...…”

Section: P E R S O N a L A C C O U N T T H E C H E M I C A L R E C O R Dmentioning

confidence: 99%

Biomass Derived Biofluorescent Carbon Dots for Energy Applications: Current Progress and Prospects

Ayisha Naziba,

Praveen Kumar,

Karthikeyan

et al. 2024

The Chemical Record

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Biomass resources are often disposed of inefficiently and it causes environmental degradation. These wastes can be turned into bio‐products using effective conversion techniques. The synthesis of high‐value bio‐products from biomass adheres to the principles of a sustainable circular economy in a variety of industries, including agriculture. Recently, fluorescent carbon dots (C‐dots) derived from biowastes have emerged as a breakthrough in the field, showcasing outstanding fluorescence properties and biocompatibility. The C‐dots exhibit unique quantum confinement properties due to their small size, contributing to their exceptional fluorescence. The significance of their fluorescent properties lies in their versatile applications, particularly in bio‐imaging and energy devices. Their rapid and straight‐forward production using green/chemical precursors has further accelerated their adoption in diverse applications. The use of green precursors for C‐dot not only addresses the biomass disposal issue through a scientific approach, but also establishes a path for a circular economy. This approach not only minimizes biowaste, which also harnesses the potential of fluorescent C‐dots to contribute to sustainable practices in agriculture. This review explores recent developments and challenges in synthesizing high‐quality C‐dots from agro‐residues, shedding light on their crucial role in advancing technologies for a cleaner and more sustainable future.

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Section: P E R S O N a L A C C O U N T T H E C H E M I C A L R E C O R Dmentioning

confidence: 99%

Biomass Derived Biofluorescent Carbon Dots for Energy Applications: Current Progress and Prospects

Ayisha Naziba,

Praveen Kumar,

Karthikeyan

et al. 2024

The Chemical Record

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“…Several studies have been conducted using cassava waste (leaves and peels) to improve the surface hardness of steels [16]. This is due to the activated carbon available in cassava biomass [17][18][19][20]. Upon the tissue disruption of cassava leaf, a release of cyanogenic glucosides (CNGs) is activated [21].…”

Section: Decomposition Of Cassavamentioning

confidence: 99%

The Effect of the Environment on the Case Hardening Characteristics of AISI 1018 Steel during Cassava Leaf Pack Cyaniding

Gordon,

Kalu,

Adetunji

et al. 2023

Alloys

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As part of a comprehensive study on eco-friendly processing techniques, the influence of the heat treatment environment on the case hardening of AISI 1018 steel using pulverized cassava leaf was studied. The process was carried out at two different temperatures (850 °C and 950 °C) and under three environmental conditions: Process 1, the control experiment, was carried out in air only; in Process 2, the medium comprised pulverized cassava leaves; and in Process 3 a combination of pulverized cassava leaves plus barium carbonate (BaCO3) was used as an energizer (CBC mixture). Vickers microhardness testing and scanning electron microscopy were used to evaluate the effect of the processing environment on the case hardening of the steel. As expected, regardless of the processing temperature, Process 1 resulted in little or no hardening of the steel surface. However, notable case hardening occurred when the steel specimens were subjected to either Process 2 or Process 3. Furthermore, the inclusion of barium carbonate in Process 3 significantly enhanced the case hardening effectiveness of the cassava leaf in terms of the rate of and maximum hardness achieved. A maximum enhancement was observed at 950 °C. After 1 h, the increase in hardness was 160% and 280% for Process 2 and Process 3, respectively. Upon increasing the processing time to 5 h, the increase in hardness due to Process 2 was raised to 254%, while that of Process 3 remained at approximately 280%. The diffusivity of AISI 1018 was calculated using the microhardness data. The diffusivity was highest in Process 2 samples with values of 1.568 × 10−9 m2/s at 850 °C and 1.893 × 10−9 m2/s at 950 °C. Effective case hardening of AISI 1018 steel was carried out using the medium of cassava leaf, without the addition of barium carbonate (BaCO3) as an energizer.

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Emerging diagnostic utility of carbon dots in bacterial and viral infections

Chatterjee,

Mishra,

Saha

et al. 2024

Comprehensive Analytical Chemistry

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Green hydrothermal synthesis of multifunctional carbon dots from cassava pulps for metal sensing, antioxidant, and mercury detoxification in plants

Cited by 13 publications

References 52 publications

Biomass Derived Biofluorescent Carbon Dots for Energy Applications: Current Progress and Prospects

Biomass Derived Biofluorescent Carbon Dots for Energy Applications: Current Progress and Prospects

The Effect of the Environment on the Case Hardening Characteristics of AISI 1018 Steel during Cassava Leaf Pack Cyaniding

Emerging diagnostic utility of carbon dots in bacterial and viral infections

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