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Neuroscience Research using Small Animals on a Chip: From Nematodes to Zebrafish Larvae
Pushkar Bansal,Abhinav Abraham,Jay Garg,Erica E. Jung 한국바이오칩학회 2021 BioChip Journal Vol.15 No.1
Implementation of microfluidic technology to study small animal models such as Caenorhabditis elegans worms (soil-dwelling nematodes), Drosophila melanogaster (fruit fly) and larvae of Danio rerio (zebrafish) provides great opportunities for in vivo quantification of neuronal activities and behavioral responses. By controlling the internal environment, microfluidic devices can manipulate animal models with precision and cause minimal damage to the specimen. Due to these advantages, microfluidic devices have been applied to high-throughput drug screening, high-throughput brain-wide activity mapping, analyzing animals’ neuronal and behavioral responses to different external stimuli, microinjection, and neuronal regeneration. In this paper, we review different microfluidic devices and techniques that allow the manipulation of small animal models to study brain functions and behavioral responses. Furthermore, biomedical applications of microfluidic systems, technical challenges, and future directions in the whole brain and animal research on a chip will be discussed.
Pratik Suthar,Sonal Shah,Pushkar Waknis,Gandhali Limaye,Aditi Saha,Pranav Sathe 대한구강악안면외과학회 2020 대한구강악안면외과학회지 Vol.46 No.1
Objectives: The need for proper wound closure is of paramount importance after any intra-oral surgery. Various wound closure techniques have been described in literature using traditional non-absorbable suture materials. These include like synthetic absorbable sutures, surgical staples and tissue adhesives. Cyanoacrylates are among the most commonly used biocompatible tissue adhesives. To evaluate and compare intraoral wound healing using 3-0 silk sutures and n-butyl-2-cyanoacrylate after alveoloplasty. Materials and Methods: A total of 20 patients requiring bilateral alveoloplasty in the same arch (upper or lower) were included in this study. Patients with any pre-existing pathology or systemic disease were excluded. After alveoloplasty was performed, the wound was closed using 3-0 braided silk sutures on one side, and using n-butyl-2-cyanoacrylate bio adhesive on the other side. Patients were evaluated based on the following parameters: time required to achieve wound closure; the incidence of immediate and postoperative hemostasis; the time to the use of the first rescue medication; the side where pain first arises; and the side where wound healing begins first. Results: Compared to 3-0 silk sutures, cyanoacrylate demonstrated better hemostatic properties, reduced operative time, reduced postoperative pain and better wound healing. Conclusion: These data suggest that cyanoacrylate glue is an adequate alternative to conventional sutures to close the surgical wound after alveoloplasty, and better than are 3-0 silk sutures.
Aditi Saha,Sonal Shah,Pushkar Waknis,Prathamesh Bhujbal,Sharvika Aher,Vibha Vaswani 대한구강악안면외과학회 2019 대한구강악안면외과학회지 Vol.45 No.5
This study evaluated and compared the donor site morbidity following minimally invasive and conventional open harvesting of iliac bone for secondary alveolar bone grafting in cleft palate patients. A thorough electronic search of PubMed, Google Scholar, EMBASE, and an institutional library and manual search of various journals was done; Inclusion criteria: 1) full-text articles using a minimally invasive or conventional open harvesting technique for iliac bone for secondary alveolar grafting in cleft palate patients and 2) articles published between January 1, 2001 and June 30, 2017 and Exclusion criteria: 1) articles published in languages other than English, 2) case reports, case series, animal studies, in vitro studies, and letters to the editor, and 3) full-text article unavailable even after writing to the authors. Preliminary screening of 274 studies excluded 223 studies for not meeting the eligibility criteria. Of the remaining 51 studies, 19 were removed for being duplicates. Of the remaining 32 studies, 15 were excluded after reading the abstract. Of the 17 studies that were left, 2 were excluded because they were in a language other than English, and 2 were excluded because the study group did not mention cleft palate patients. Thus, 13 studies providing results for a total of 654 patients were included in this qualitative synthesis. Minimally invasive bone graft harvest techniques are better than the conventional open iliac bone harvest method because they offer shorter operative time, decreased requirement for pain medications, less pain on discharge, and a shorter hospital stay.
Ajay Kumar Sharma,Sheetal -,Pushkar Mehara,Pralay Das 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.119 No.-
Herein, first example of heterogeneously catalyzed carbonylative synthesis of bis(indolyl)methanes fromaryl iodides in one-pot and single-step manner has been reported. The reaction was best catalyzed bypolystyrene supported bimetallic Pd-Au (Pd-Au@PS) nanoparticles (NPs) in comparison to various supportedmonometallic Pd-catalysts. The key feature of this protocol involves the application of oxalic acidas economic, solid, and safe multi-functional reagent which acts as a CO, H2 source as well as acid cocatalystwith PEG-200 as green solvent reaction medium for delivering moderate to excellent yields ofthe desired products, bis(indolyl)methanes (BIMs). The developed protocol is additive, phosphineligand-free under air/moisture stable recyclable catalyst bearing easy accessibility/affordability to startingmaterials.
INTELLECTUAL CAPITAL AS THE BASIS FOR THE DEVELOPMENT OF CREATIVE INDUSTRIES
Hanna Kostromina,Olha Potishchuk,Tamara Rudenko,Maryna Pushkar,Oksana Romaniuk International Journal of Computer ScienceNetwork S 2023 International journal of computer science and netw Vol.23 No.3
Globalization and the development of technology have turned creativity into a necessity. Numerous countries consider creativity to be the major model of economic development. In this era of the knowledge-based economy, creativity is becoming a catalyst for the development of millions of people around the world. Irina Bokova, the former Director General of UNESCO, has stated that the cultural and creative industries have a capital of 2 250 billion US dollars, almost 30 million jobs worldwide in the economies of advanced countries and developing countries (Cultural Times, 2015). Copyright is a branch of intellectual property with a wider scope, forasmuch as it applies to every product of literary, scientific and artistic works in all forms of expression, relating to certain levels of originality.
Vibha Vaswani,Sonal Shah,Manne Lakshmipriyanka,Pushkar Waknis,Deeisha Gupta,Kunal Jain 대한구강악안면외과학회 2020 대한구강악안면외과학회지 Vol.46 No.4
Objectives: Preoperative nervousness and anxiety are frequently encountered by individuals who undergo extractions of impacted wisdom teeth. The aim of the present study is to evaluate salivary alpha amylase (sAA) level in patients for assessment of stress during third molar surgery while listening to piano music and to determine its co-relation with pain catastrophizing scale (PCS). Materials and Methods: Seven patients (four males and three females) indicated for surgical extraction of bilaterally impacted mandibular third molars were included. Pre-surgical patient assessments were completed, and three samples of saliva were collected during surgery—one at baseline, one 30 minutes after commencement of surgery, and one after suturing. Assessment was performed on both sides separately with and without piano music, and the samples were assessed for sAA level and correlated with the patient’s self-reported PCS. Results: Statistically significant results were obtained in patients who underwent surgical extraction while listening to piano music (P=0.046). The correlation of sAA level with PCS was not significant. Conclusion: Music demonstrated a beneficial effect on lowering the levels of stress and anxiety that a patient exhibits during any surgical procedure, and sAA can be a useful biomarker for similar assessments.
Saha, Aditi,Shah, Sonal,Waknis, Pushkar,Aher, Sharvika,Bhujbal, Prathamesh,Vaswani, Vibha The Korean Dental Society of Anesthsiology 2019 Journal of Dental Anesthesia and Pain Medicine Vol.19 No.4
Background: Pain is an unpleasant sensation ranging from mild localized discomfort to agony and is one of the most commonly experienced symptoms in oral surgery. Usually, local anesthetic agents and analgesics are used for pain control in oral surgical procedures. Local anesthetic agents including lignocaine and bupivacaine are routinely used in varying concentrations. The present study was designed to evaluate and compare the efficacy of 0.25% and 0.5% bupivacaine for postoperative analgesia in infraorbital nerve block. Methods: Forty-one patients undergoing bilateral maxillary orthodontic extraction received 0.5% bupivacaine (n = 41) on one side and 0.25% bupivacaine (n = 41) on the other side at an interval of 7 d. The parameters evaluated for both the bupivacaine concentrations were onset of action, pain during procedure (visual analog scale score [VAS]), and duration of action. The results were noted, tabulated, and analyzed using the Wilcoxon signed rank test. Results: The onset of action of 0.5% bupivacaine was quicker than that of 0.25% bupivacaine, but the difference was not statistically significant (P = 0.306). No significant difference was found between the solutions for VAS scores (P = 0.221) scores and duration of action (P = 0.662). Conclusion: There was no significant difference between 0.25% bupivacaine and 0.5% bupivacaine in terms of onset of action, pain during procedure, and duration of action. The use of 0.25% bupivacaine is recommended.
Comparative Study of Rapid Ice Investment Casting Vs Rapid Casting Processes of Aluminium Alloy
Rajendra Hodgir,Yash Gopal Mittal,Pushkar Kamble,Gopal Gote,Yogesh Patil,Ashik Kumar Patel,K. P. Karunakaran 한국정밀공학회 2023 International Journal of Precision Engineering and Vol.24 No.5
Rapid casting (RC) is a phrase that refers to a specific casting process technique that reduces total production lead time. The technique for achieving it is Additive Manufacturing (AM) or Rapid Prototyping (RP). AM techniques were employed for RC to create complex shapes and sand a 3D mould from a CAD model. This article aimed to examine the performance of Rapid Ice Investment Casting (RIIC) compared with other RC processes such as Direct Wax Investment Casting (Direct Wax IC), Lost Foam Casting (LFC), Lost PLA Casting (LPC), and Rapid Sand Casting (RSC). This investigation examines the part which has various geometric features. Each casting route's procedure is described in detail; pattern development, slurry preparation and mould making. Comparison of RIIC with other RC processes is studied based on the cast specimen's dimensional accuracy and surface finish. According to the findings, RIIC is preferable in terms of smooth surface finish, whereas Direct Wax IC and LFC are superior in dimensional accuracy. The article also addresses, the shortcomings of RIIC are discussed in this article, as well as proposed methods to overcome them.
Bortniuk, Tetiana,Smyrnova, Tetiana,Tkachenko, Tetiana,Yakymenko, Svitlana,Pushkar, Larysa,Desiatnyk, Kateryna International Journal of Computer ScienceNetwork S 2022 International journal of computer science and netw Vol.22 No.2
The article determines that the study of the development of scientific and didactic knowledge about the educational process in higher education should be built mainly on the basis of qualitative research methods that ensure the identification and understanding of the changes taking place in didactic knowledge, in the unity of their internal and external manifestations. On the basis of the epistemological model of the study of science, a generalized model of didactic knowledge about the educational process in higher education, including didactic relations as a theoretical core, subject of research, research methods and positions of researchers, ways of interaction between science and educational practice, and thematic structures of didactic knowledge; scientific and methodological problems of didactic knowledge about the educational process in higher education at the present stage of its developments due to the post-nonclassical transformation and orientation of research towards the humanitarian ideal of scientific character.