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Identification and production improvement of pectinase from a pectinolytic fungus isolated from Da Xanh pomelo (Citrus maxima) peel

Diem Phan Thi Thanh^1,2, Lan Pham Thi Ngoc¹, Chau Ngo Thi Bao ¹ and Dung Tran Quoc^3*

¹ Biology Department, University of Science, Hue University, Hue 49000, Vietnam;

² Department of Natural Science and Technology, Quang Nam University, Quang Nam 560000, Vietnam;

³ Biology Department, University of Education, Hue University, Hue 49000, Vietnam

tranquocdung@hueuni.edu.vn

Abstract: Pectinases are important enzymes due to their broad potential applications in various industrial processes including food, paper and pulp, textile, medicinal, and environmental treatment. The current work aimed to identify the pectinolytic fungus, named M13 isolate, and determined the effect of various culture conditions on enzyme accumulation. The primary screening indicated the isolate produced high pectinase on both pectin agar and Czapek with supplemented pectin media. Then, the isolate was identified based on the nucleotide sequence of ITS region comparison to the NCBI database, showing the isolate shared 100% similarity to Aspergillus niger family. Thus, the isolate was named Aspergillus niger M13. The fungus isolate produced maximal pectinase activity in the culture conditions, including an incubation time of 48 h, pH 6.5, 0.5% (w/v) maltose, and 0.2% (w/v) yeast extract. Overall, the A. niger M13 is a potential candidate for large scales production of pectinase for industrial applications.

[Diem PTT, Lan PTN, Chau NTB, Dung TQ. Identification and production improvement of pectinase from a pectinolytic fungus isolated from Da Xanh pomelo (Citrus maxima) peel. Rep Opinion 2024;16(3):1-7]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 01. doi:10.7537/marsroj160324.01.

Keywords: Aspergillus niger M13; identification; pectinase production; industry

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REVIEW OF RELATED LITERATURE ON EMOTIONAL INTELLIGENCE AND ADJUSTMENT AMONG VISUALLY IMPAIRED STUDENTS

Dr. Satish Kumar

(H.O.D) GDR College of Education Simla Molana Road Panipat-132103, Haryana (India)

Abstract: Review of related literature in the concerned field is of greater significance in locating the research problem. Hence, it plays the pivot role at the crucial juncture of planning of the study. Review of related literature is an intellectual pursuit, essential for the development of the problem and to find out an effective approach to its solution.

[Kumar, S. REVIEW OF RELATED LITERATURE ON EMOTIONAL INTELLIGENCE AND ADJUSTMENT AMONG VISUALLY IMPAIRED STUDENTS. Rep Opinion 2024;16(3):8-13]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 02. doi:10.7537/marsroj160324.02.

Keywords: review of related literature, emotional intelligence, adjustment, visually impaired students

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SELECTED NOVELS OF BUCHI EMECHETA

*Monika Devi and **Dr. Mandeep Singh

¹Research Scholar, Department of English, SunRise University, Alwar, Rajasthan (India)

²Associate Professor, Department of English, SunRise University, Alwar, Rajasthan (India)

Email: monikageetu1512@gmail.com

Abstract: Buchi Emecheta was born in Lagos, Nigeria on July, 1944. She immigrated to London, England in 1960. She received a Sociology degree at the University of London. She worked as a social worker for a number of years and contributed a column to the new statesmen about black British life. She wrote 20 novels during her lifetime including The Joys of Motherhood, The Rape of Shavi, Second Class Citizen, Into the Ditch, The Bride Price and The New Tribe, Double Yoke, Kehindle, Destination Biafra and Gwendolen etc. Her first play, A Kind of Marriage was screened on BBC TV in 1976 and was entitled Head above Water. In 2005, she was made an OBE for services to literature.

[Monika Devi and Mandeep Singh. SELECTED NOVELS OF BUCHI EMECHETA. Rep Opinion 2024; 16 (3): 14-17]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 03. doi:10.7537/marsroj160324.03.

Keywords: Novels, Buchi Emecheta, Afran Women

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ISSUE IN NOVELS AND THEMES OF KIRAN NAGARKAR

*Swati and **Dr. Mandeep Singh

¹Research Scholar, Department of English, SunRise University, Alwar, Rajasthan (India)

²Associate Professor, Department of English, SunRise University, Alwar, Rajasthan (India)

Email: dsm.106swati@gmail.com

Abstract: Kiran Nagarkar is a contemporary Indian writer whose works empower the readers to understand the actual status of the nation. His works also evoke humanity in human beings and its necessity for the future generation. Seven Sixes are Forty Three, Ravan and Eddie, Cuckold, God’s Little Soldier and Extras enflame the necessity of humanity in the society. Kiran Nagarkar captures the essence of the social reality of the contemporary society and at the same time, their ability to present the realities as critical commentaries. The Indian society is unique in its multifarious nature. It is unity in diversity. The social institution itself is an amalgamation of various culturally, religiously, and linguistically different groups of people. Kiran Nagarkar is well aware of the ignorance and poverty that plague the Indian society. He shows how Indians especially women suffer in their lives due to illiteracy. Kiran Nagarkar does not spare the society for its blatant negligence of issues like poverty, exploitation, and discrimination. His views are honest in presenting reality. The author makes an insightful observation in understanding the relationship between the society and religion. There is continuous discourse on the impact of religion on individuals and the society as a whole.

[Swati. and Singh, M. ISSUE IN NOVELS AND THEMES OF KIRAN NAGARKAR . Rep Opinion 2024;16(3):18-20]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 04. doi:10.7537/marsroj160324.04.

Keywords: Culture, feminism, humanity, poverty, religion, society

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 GEOSCOPE AND NATIONAL GEOSCOPE PROJECTS

Gangadhara Rao Irlapati

H.No.5-30-4/1, Saibabanagar, Jeedimetla, Hyderabad - 500 055, Telangana,  India.

email: gangadhar19582058@gmail.com.

Google pay/Phonepe +91 6305571833

Abstract:  I proposed the Geoscope in 1987 with an ideal to serve the world people from the earth’s related matters.  This is not what Buckminster had proposed in 1962.  My invention is completely different intended to study the earth’s underground and earth’s surface for public purposes with many revolutionary  just like to take and keep the entire underground to be under the control of  Geoscope to study the underground mysteries; explore the underground resources; predict the geological hazards; Create artificial underground waters by attracting  the sea waters to the underground areas of deserts through the layers by electro-ionization;  Create artificial rains by attracting the vaporized sea waters to the desert plains through the sky by geo-magnetizing  atmosphere when the weather is surrounded  by water molecules during the trough of low pressure areas, Create artificial storms and making them our control by moving desert planes and pour rains; Restore and recreate of past by images that are preserved in the earth’s magnetic field by new technologies just like Geo-Machine etc by constantly studying the Geoscope mission.   Many researches &studies have been conducted by me on the Geoscope system. It has done more developments by world scientists in the future.

[Gangadhara Rao Irlapati. GEOSCOPE AND NATIONAL GEOSCOPE PROJECTS . Rep Opinion 2024;16(3):21-43]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 05. doi:10.7537/marsroj160324.05.

Key Words:    Geoscope, Earth quakes, Seismic luminescence studies, Electrogeogram test etc.

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