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      • KCI등재

        Electrochemical sensing interfaces based on novel 2D-MXenes for monitoring environmental hazardous toxic compounds: A concise review

        가네시,김상연 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.109 No.-

        MXenes are two-dimensional (2D) layered materials of early transition metal carbides and/or nitridesused in a variety of technological applications. Due to its interesting morphology, high surface area,and biocompatibility, MXenes are the trending materials in the electrochemical and/or biosensor fabricationdue to their novel and technically relevant properties. The present state of the art in the field of electrochemicalsensors fabricated from MXenes is investigated in this review, with a focus on the detectionof hazardous contaminants in the environment. And also, the comparison of fundamental properties ofdifferent nanomaterials with MXene was mentioned. To begin, we will look at how different synthesistechniques and surface functionalization alter MXene characteristics and, as a result, sensing performance. Second, MXenes are discussed as an electrode modifier for the detection of hazardous compounds,such as, phenolic moieties, pesticides and heavy metal ions. At the conclusion, the difficultiesand future opportunities are discussed.

      • KCI등재

        Multiplexer as selector to select different speed (Normal speed, High speed and Super high speed) to display CAR at different speed to color TV system

        가네시 아디카리 국제문화기술진흥원 2022 International Journal of Advanced Culture Technolo Vol.10 No.3

        The article presents a concept of designing a Multiplexer circuit which acts as a “Selector” and that becomes capable to select different speed created at different TTL Gate configurations; Standard TTL(Normal Speed), High Speed TTL(High Speed), Schottky TTL(Super High Speed) and further connect the selected Gate speed to the CAR shape created using C-Programming at Computer Graphics and finally CAR shape display at different speed to the color TV. The Multiplexer supporting efficient and more reliable selection criteria using “Logical based selection criteria” and further the output from multiplexer is provided to CAR shape created using c-programming and finally CAR shape is display to color TV system. Basic purposes and assumptions regarding the design and development of this system as well as a description of its operation have been presented.

      • KCI등재

        Deep eutectic solvents synthesis of perovskite type cerium aluminate embedded carbon nitride catalyst: High-sensitive amperometric platform for sensing of glucose in biological fluids

        Umamaheswari Rajaji,가네시,Shen-Ming Chen,Mani Govindasamy,Sangyoun Kim,Razan A. Alshgari,시모가 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.102 No.-

        In the present work, a novel method for the green synthesis of CeAlO3 (CAO) polycrystalline powderthrough deep eutectic solvents (DES) was carried out by hydrothermal method. The carbon nitride(CN) was synthesized directly by fractional thermal polymerisation process. The combination ofCeAlO3 with CN provides an excellent sensing platform for developing highly sensitive and stable electrocatalystfor non-enzymatic glucose (GLU) oxidation. The structural, morphological and electrochemicalanalysis of CeAlO3/CN (CAO/CN) shows the successful synthesis without any impurities. The synergisticeffects of pyridinic-N, pyrrolic-N and graphitic-N are highly influencing and playing a prominent role insensory performances of the prepared CAO/CN nano-electrocatalyst towards GLU sensing. The limit ofdetection (LOD) at CAO/CN modified glassy carbon electrode (CAO/CN/GCE) was calculated to be0.86 nM in the linear concentration range of 0.01–1034.5 mM by amperometric method. The antiinterference,reproducibility, repeatability and stability analysis suggest the promising performance ofthe fabricated electrode towards GLU detection. The real time application of CAO/CN/GCE was evaluatedtowards GLU sensing in human blood, saliva and sweat, a satisfactory result was obtained. Therefore, theCAO/CN/GCE has a great application prospect as a highly efficient catalyst material for highly sensitiveand efficient non-enzymatic glucose sensor.

      • KCI등재

        Development of a Simple and Reproducible Method for Removal of Contaminants from Ginseng Protein Samples Prior to Proteomics Analysis

        Ravi Gupta(굽타 라비),So Wun Kim(김소운),Chul Woo Min(민철우),Gi-Ho Sung(성기호),Ganesh Kumar Agrawal(아그라왈 가네시 쿠마르),Randeep Rakwal(락왈 랜딥),Ick Hyun Jo(조익현),Kyong Hwan Bang(방경환),Young-Chang Kim(김영창),Kee-Hong Kim(김기홍 한국생명과학회 2015 생명과학회지 Vol.25 No.7

        본 연구는 인삼의 잎과 뿌리 단백질 추출물에서 활성탄을 이용하여 염, 계면활성제, 색소를 제거하여 단백질체 분석 연구에 미치는 잠재적인 효과에 대한 평가를 기술하고 있다. 5%(w/v) 활성탄(100-400 mesh)과 함께 단백질 추출물을 30분간 4°C에서 반응시켜 염과 계면활성제를 제거한 후 SDS-PAGE를 분석하여 단백질의 양상을 관찰하였다. 엽록소 함량의 분석은 활성탄 처리 후 엽록소의 상당한 양(~33%)이 제거되는 것을 보여주었고, 이 분석은 염, 계면활성제 제거만이 아닌 색소의 제거에서도 활성탄의 잠재적 효과가 있음을 보여 주고 있다. 활성탄을 처리한 단백질 시료를 이용하여 이차원 전기영동과 PCA 통계분석을 시행한 결과 단백질은 gel에서 더 나은 해상도를 보여주었으며 단백질 시료의 정제에서도 활성탄의 효과가 있음을 확인하였다. 종합적으로, 이 결과들은 활성탄을 이용한 간단한 방법으로 다양한 식물 조직의 단백질 추출물에서 염, 계면활성제, 색소를 제거함으로써 고해상도의 단백질체 분석에 적용될 수 있을 것으로 기대된다. This study describes the effects of activated charcoal on the removal of salts, detergents, and pigments from protein extracts of ginseng leaves and roots. Incubation of protein extracts with 5% (w/v) activated charcoal (100-400 mesh) for 30 min at 4°C almost removed the salts and detergents including NP-40 as can be observed on SDS-PAGE. In addition, analysis of chlorophyll content showed significant depletion of chlorophyll (~33%) after activated charcoal treatment, suggesting potential effect of activated charcoal on removal of pigments too along with the salts and detergents. 2-DE analysis of activated charcoal treated protein samples showed better resolution of proteins, further indicating the efficacy of activated charcoal in clearing of protein samples. In case of root proteins, although not major differences were observed on SDS-PAGE, 2-DE gels showed better resolution of spots after charcoal treatment. In addition, both Hierarchical clustering (HCL) and Principle component analysis (PCA) clearly separated acetone sample from rest of the samples. Phenol and AC-phenol samples almost overlapped each other suggesting no major differences between these samples. Overall, these results showed that activated charcoal can be used in a simple manner to remove the salts, detergents and pigments from the protein extracts of various plant tissues.

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