Generation of Electrical Energy Using Fish Market Waste Fish Fin from Mechanical Motion for Battery-Less Self—Powered Wearable Sensors and IoT Devices

Harminder Singh,Anu Sheetal,Jaspreet Kaur,Maninder Singh,Manupriya Sharma 대한금속·재료학회 2023 ELECTRONIC MATERIALS LETTERS Vol.19 No.5

The main idea behind this study is to fabricate a cost-effective and eco-friendly source of electrical energy for battery-less IOT devices, sensors and small medical/electronic wearable devices, as per the UN’s sustainable development goal SDG 7 (affordable and clean energy). In this study, an electrical energy generation device triboelectric nanogenerator (TENG) is designed and fabricated from fish fin, which is biocompatible, non-toxic, and treated as waste material in the fish market. The fish fin isolated from the waste of the fish is converted to the dielectric layer of the TENG, which is further utilized to convert ambient mechanical energy into useful electrical energy. The thermal stability of the material also has been tested using TGA, and it was observed that it was stable to work up to 100°C. Other biomaterial combinations of egg shell membrane, dog hairs, and tree cotton are also tested in this study. The output of the fish fin based fabricated TENG is utilized to power up 65 green LEDs connected in the series, which is equivalent to 130 V of voltage, and the current of 1.1µA was measured across a 1MΩ resistor. This output of the TENG was used to power up a small digital watch. The fabricated device can also be used as sensor to detect human motion.

Removal of methylene blue using lemon grass ash as an adsorbent

Singh, Harminder,Dawa, Tshering B. 한국탄소학회 2014 Carbon Letters Vol.15 No.2

Wastewater from textile industries is a major cause of water pollution in most developing countries. In order to address the issues of water pollution and high cost for treatment processes, the use of an inexpensive and environmentally benign adsorbents has been studied. The objective was to find a better alternative to the conventional methods. Lemon grass waste (ash) collected from a lemon grass stream distillation subunit in Bhutan was tested for dye removal from aqueous solutions. The study investigated the removal of methylene blue using the following operational parameters: initial concentration (100-600 mg/L), contact time, adsorbent dose (0.1-0.55 gm/100 mL), and pH (3-10). It was found that the percentage removal of dye increased with a decrease of the initial concentration and increased contact time and dose of adsorbent. The basic pH solution of dye showed better adsorption capacity as compared to the acidic dye solution. Langmuir and Freundlich adsorption isotherms were fitted to the data well. Data fitted better to Lagergren pseudo 2nd order kinetics than a 1st order kinetic model. Surface morphology was also examined via scanning electron microscopy. An elemental analysis was also carried out and the chemical composition and functional groups were analyzed using energy dispersive X-ray spectroscopy and Fourier transform infrared spectroscopy techniques, respectively. The obtained results indicate that lemon grass ash could be employed as a low cost alternative to commercial activated carbon in wastewater treatment for the removal of dyes.

Studies on immunomodulatory effect of endophytic fungus Alternaria alternata on Spodoptera litura

Harminder Preet Kaur,Bahaderjeet Singh,Abhinay Thakur,Amarjeet Kaur,Sanehdeep Kaur 한국응용곤충학회 2015 Journal of Asia-Pacific Entomology Vol.18 No.1

Secondary metabolites of entomopathogenic fungi have been known to suppress the immune response of various insects. Hence, we have investigated the effect of endophytic fungus, Alternaria alternata on cellular and humoral immune response of Spodoptera litura (Fabricius). Significant drop in total hemocyte count has been observed in the larvae fed on diet supplemented with ethyl acetate extract of A. alternata as compared to those fed on untreated or control diet devoid of ethyl acetate extract. Similarly differential hemocyte count of the larvae feeding on amended diet differed significantly from control. As compared to control significantly higher percentage of hemocytes exhibited abnormalities like aggregation, change in shape, extensive vacuolization and necrosis. The cytotoxic effect showed a dose dependent response which increased with time. A reduction in phenoloxidase and lysozyme activities was also observed. The data suggest that the secondary metabolites produced by A. alternata disabled several immunemechanisms of the insect. These studieswould help to identify the insect defenses that could be manipulated to accelerate host death due to fungal endophytes.

Geographic Routing Protocol : A Review

Harminder Kaur,Harsukhpreet Singh,Anurag Sharma 보안공학연구지원센터 2016 International Journal of Grid and Distributed Comp Vol.9 No.2

Mobile Adhoc Networks (MANETs) are the self-organized networks in which connections are not established for exchange the information. In MANET, there are major problems like scalability, dynamic topology, high mobility and routing. The network can be damaged due to the high mobility. Topology based routing can fail when there is a dynamic change in the network topology. To avoid these problems, Geographic routing is used. The geographic routing protocols are more efficient and scalable when there is a dynamic change in the network topology and when the mobility is high. In this paper, we have surveyed on the Hybrid Routing and Geographic routing protocol. The hybrid routing can be done into two ways i.e. greedy routing and face-2 algorithm or perimeter routing.

Removal of Dyes by Biosorption on Biomass Ash

Rattan, V.K.,Singh, Harminder,Purai, Abhiti Korean Carbon Society 2007 Carbon Letters Vol.8 No.1

The use of low cost and ecofriendly adsorbent has been investigated as an alternative to the current expensive method of removing dyes from wastewater. Cow dung cakes were collected from the nearby village which was burnt in a muffle furnace at $500^{\circ}C$ to obtain the required ash. This paper deals with the removal of Reactive Blue 221, Acidoll Yellow 2GNL and Olive BGL which are mainly used in textile industry, from aqueous solution by cow dung ash without any pretreatment. The adsorption was achieved under different pH, adsorbate concentration and the applicability of Langmuir and Freundlich isotherms were examined.

Surface Modification of Spinel Ferrite with Biopolymer for Adsorption of Cationic and Anionic Dyes in Single and Ternary Dye System

Mukesh Kumar,Harmanjit Singh Dosanjh,Harminder Singh 한국섬유공학회 2019 Fibers and polymers Vol.20 No.4

In this work, nano cobalt ferrite was modified with biopolymer sodium alginate in alginic form and the prepared magnetic composite (CoFN-Alg) was examined by different techniques such as Fourier transform infrared spectroscopy,transmission electron microscope with energy dispersive spectra, X-ray diffraction, thermo-gravimetric analysis, and Brunauer-Emmett-Teller equation. The CoFN-Alg composite was used as adsorbent to remove Congo red (CR), brilliant green (BG), and methylene blue (MB) dyes from single and ternary dye systems. The adsorption of different dyes on CoFNAlg composite was studied at varying parameters such as contact time, varying pH, adsorbent dose, and initial concentration at different temperatures through batch mode. Results of kinetic studies revealed that the adsorption data of different dyes in single system as well as ternary system was best fitted in Lagergren pseudo second order model. Similarly, the adsorption equilibrium data was well correlated by Langmuir isotherm model in both types of dye systems. In single system, the maximum adsorption capacities of CR, BG, and MB dyes for CoFN-Alg composite were 93.0, 92.1, 95.8 mg/g and for ternary system were 60.0, 64.4, and 76.9 mg/g, respectively. The calculated adsorption thermodynamic parameters confirmed that adsorption process was spontaneous in nature. The results of regeneration studies concluded that CoFN-Alg composite retained around 78 % regeneration efficiency even after five successive cycles in single as well as ternary system. The present study revealed that CoFN-Alg composite might be suitable alternative for the removal of different dyes in single as well as multi-component system.

Removal of Dyes by Biosorption on Biomass Ash

V.K. Rattan,Harminder Singh,Abhiti Purai 한국탄소학회 2007 Carbon Letters Vol.8 No.1

The use of low cost and ecofriendly adsorbent has been investigated as an alternative to the current expensive method of removing dyes from wastewater. Cow dung cakes were collected from the nearby village which was burnt in a muffle furnace at 500℃ to obtain the required ash. This paper deals with the removal of Reactive Blue 221, Acidoll Yellow 2GNL and Olive BGL which are mainly used in textile industry, from aqueous solution by cow dung ash without any pretreatment. The adsorption was achieved under different pH, adsorbate concentration and the applicability of Langmuir and Freundlich isotherms were examined.

Uniconazole improves mango flowering and fruit yield by regulating gibberellins and carbon–nitrogen nutrition

Naveena Kumara K. T.,Singh Harminder,Kaur Nirmaljit,Kang B. K.,Devi Indira 한국원예학회 2023 Horticulture, Environment, and Biotechnology Vol.64 No.5

The present study was aimed to assess the effi cacy of foliar-applied uniconazole on fl ower induction, and fruit yield of mango cv. ‘Dusehri’ at Department of Fruit Science, Punjab Agricultural University, Ludhiana, India. The experiment was conducted simultaneously at two diff erent locations, for two cropping seasons during 2019–20 (ON year) and 2020–21 (OFF year). The pre-fl owering treatments of paclobutrazol and uniconazole were sprayed during September and October at diff erent rates. Experimental plants were observed for various biochemical, vegetative, reproductive and yield parameters. According to the results, foliar application of uniconazole (T6) @ 1.0 g a.i/m canopy applied twice signifi cantly enhanced chlorophyll, carbohydrates, and C:N ratio and negatively aff ected shoot growth, nitrogen content by inhibiting the gibberellin biosynthesis. Ultimately, uniconazole improved fl owering, fruit retention, fruit yield, and fruit size in mango cv. ‘Dusehri’. Therefore, the foliar application of uniconazole can be considered as a better alternative to paclobutrazol in fl ower induction of mango.

Research Paper : Phytotoxic effect of Parthenium residues on the selected soil properties and growth of chickpea and radish

(Daizy R. Batish),(Harminder P. Singh),(Jasvir K. Pandher),(Vandana Arora),(Ravinder K. Kohli) 한국잡초학회 2002 Weed Biology and Management Vol.2 No.2

Adsorption of Dyes from Aqueous Solution by Cow Dung Ash

Rattan, V.K.,Purai, Abhiti,Singh, Harminder,Manoochehri, Mahboobeh Korean Carbon Society 2008 Carbon Letters Vol.9 No.1

The ability of cow dung ash without any pretreatment to remove color from textile dyes N Blue RGB, Green B and EOSIN YWS from aqueous solution has been investigated in this work. Cow dung ash, an ecofriendly and low cost adsorbent was prepared by burning cow dung cakes in the muffle furnace at $500^{\circ}C$. The adsorption was achieved under different pH and adsorbate concentration. The data was fitted to simple polynomial and the isotherms similar to Langmuir and Freundlich isotherms.