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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalcheva, V., A. Dragoeva, K. Kalchev, D. Enchev (2009) Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bone marrow cells. Genetics and Molecular Biology, 32(2):389-393. ISSN 14154757, IF2009-0.870, DOI: 10.1590/S1415-47572009000200028, (Web of Science, Scopus, 2009-Q4) Öèòèðàíà â: Cavusoglu, K., Cavusoglu, D. Investigation of the potential role of fusicoccin, a fungal phytotoxin, in mitigating salt stress in onion roots. Scientific Reports, 13, 9801 (2023). ISSN 2045-2322, (IF2022=4.440; SJR2022=0.973, Q1; Scopus, Web of Science) https://doi.org/10.1038/s41598-023-36917-4 |
22.11.2024 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Èçâåñòèå
| Äîêëàäè
| Êàðàìôèë Êàë÷åâ, ßíêî Éîðäàíîâ, Èâàéëî Èâàíîâ, Èñìàèë Èñìàèëîâ, Ïîñòåð: Èçñëåäâàíå íà èíõèáèðàíå íà òèðîçèíàçíàòà àêòèâíîñò îò ôîñôîðèëèðàíè õèäðîêñèàëåíè, XXII Íàöèîíàëíà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå “ÏÐÈÐÎÄÍÈ ÍÀÓÊÈ 2024”, Øóìåí, 2024. |
22.11.2024 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Äðóãè
| Äîêëàäè
| Êàðàìôèë Êàë÷åâ, Êîíñòàíòèí Ãþçåëåâ, Èâàéëî Èâàíîâ, Èñìàèë Èñìàèëîâ, Ïîñòåð: Ôîñôîðèëèðàíè õèäðîêñèàëåíè êàòî ïîòåíöèàëíè òèðîçèíàçíè èíõèáèòîðè, XXI Íàöèîíàëíà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå “ÏÐÈÐÎÄÍÈ ÍÀÓÊÈ 2023”, Øóìåí, 2023. |
22.11.2024 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 íàó÷íî ñïèñàíèå
| Öèòèðàíèÿ
| Sevginar Ibryamova, Nina Arhangelova, Teodora Koynova, Dimitar Dimitrov, Zheni Dimitrova, Radoslav Ivanov, Karamphil Kalchev, Nescho Chipev, Nikolay Natchev, Tsveteslava Ignatova-Ivanova. ANTIFUNGAL ACTIVITY OF LACTIC ACID BACTERIA, ISOLATED FROM (MYTILUS GALLOPROVINCIALIS LAM.) IN THE BULGARIAN BLACK SEA AQUATORY. J of IMAB. 2020 Jan-Mar;26(1):2875-2882; DOI: https://doi.org/10.5272/jimab.2020261.2875. Öèòàò À. Ã. Ìåðë³÷, Î. Þ. Êàëüíèöüêà, Ì. Â. Øóòèëî, Î. Î. Êîâòóí, Â. Î. ²âàíèöÿ. CHARACTERIZATION OF LACTOBACTERIA FROM THE BLACK SEA WATER AND MUSSELS WITHTHE POTENTIAL TO PRODUCE ANTIBACTERIAL COMPOUNDS. ISSN 2076–0558. ̳êðîá³îëîã³ÿ ³ á³îòåõíîëîã³ÿ. 2024. No 2. Ñ. 56–68 DOI: https://doi.org/10.18524/2307-4663.2024.2(61).311670. |
22.11.2024 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Äðóãè
| Öèòèðàíèÿ
| Sevginar Ibryamova, Nina Arhangelova, Teodora Koynova, Dimitar Dimitrov, Zheni Dimitrova, Radoslav Ivanov, Karamphil Kalchev, Nescho Chipev, Nikolay Natchev, Tsveteslava Ignatova-Ivanova. ANTIFUNGAL ACTIVITY OF LACTIC ACID BACTERIA, ISOLATED FROM (MYTILUS GALLOPROVINCIALIS LAM.) IN THE BULGARIAN BLACK SEA AQUATORY. J of IMAB. 2020 Jan-Mar;26(1):2875-2882; DOI: https://doi.org/10.5272/jimab.2020261.2875 ʳìóðæèé ²ðèíà ²âàí³âíà.Äèïëîìíà ðîáîòà. ÎÄÅCÜÊÈÉ ÍÀÖ²ÎÍÀËÜÍÈÉ ÓͲÂÅÐCÈÒÅÒ ³ìåí³ ². ². ÌÅ×ÍÈÊÎÂÀ Á³îëîã³÷íèé ôàêóëüòåò Êàôåäðà ì³êðîá³îëî㳿, â³ðóñîëî㳿 òà á³îòåõíîëî㳿. íà òåìó: «Àíòèôóíãàëüíà àêòèâí³ñòü øòàì³â ëàêòîáàêòåð³é ç ×îðíîãî ìîðÿ òà ¿õ á³îòåõíîëîã³÷íèé ïîòåíö³àë».Íàóêîâèé êåð³âíèê êàíäèäàò á³îëîã³÷íèõ íàóê, äîöåíò Ìåðë³÷ Àíäð³é Ãåííàä³éîâè÷, Ðåöåíçåíò: êàíäèäàò á³îëîã³÷íèõ íàóê, äîöåíò ϳäãîðíà Ñâ³òëàíà ßê³âíà, Îäåñà – 2023. |
22.11.2024 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalchev, K., Hristova, I., Manova, G., & Manov, L. (2022). Interaction of the birch-bark terpenoids with human and bovine serum albumins. Acta Scientifica Naturalis, 9(3), 25-35. https://doi.org/10.2478/asn-2023-0020. Online ISSN: 2603-347X (EBSCO) ÖÈÒÈÐÀÍÀ Â: Azeem, K., Abdulhameed, H. T., Hussain, A., Amir, S., Parveen, M., Patel, R., & Abid, M. (2024). A comprehensive multispectroscopic and computational analysis of the interaction between plant-based antiplasmodial compounds and bovine serum albumin. ACS omega, 9(5), 5576-5591. (Scopus; IF2023= 3.7) https://pubs.acs.org/doi/10.1021/acsomega.3c07630?ref=PDF |
22.11.2024 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalcheva, V., Dragoeva, A., Kalchev, K., & Enchev, D. (2009). Low dose genotoxicity of 4-bromo-N, N-diethyl-5, 5-dimethyl-2, 5-dihydro-1, 2-oxaphosphol-2-amine 2-oxide in mice bone marrow cells and Allium cepa L. root tip cells. Genetika, 41(2), 179-188. ÖÈÒÈÐÀÍÀ Â: Yang, Y., Chen, M., Xuan, Q., Xu, J., & Song, Q. (2024). Rh (III)-Catalyzed Regioselective Alkyne Insertion in the Context of C–H Activation and Lactonization Reactions: Synthesis of Fused 1, 2-Oxaphospholenes. Org. Lett. 2024, 26(36):7683–7687. ISSN:1523-7060; (Q1; Scopus; SJR2023=1.245; IF2023= 4.885) https://doi.org/10.1021/acs.orglett.4c02794 |
22.11.2024 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalcheva, V., A. Dragoeva, K. Kalchev, D. Enchev (2009) Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bone marrow cells. // Genetics and Molecular Biology, 32(2):389-393. ISSN 14154757, IF2009-0.870, DOI: 10.1590/S1415-47572009000200028, (Web of Science, Scopus, 2009-Q4) ÖÈÒÈÐÀÍÀ Â: Cavusoglu, D., & Cavusoglu, K. (2024). Evaluation with physiological, cytogenetic, biochemical and anatomical aspects of dose-dependent inhibitory activity of jasmonic acid, a lipidderived growth regulator, in onion root tip cells. Bulgarian Journal of Crop Science/Rastenievdni Nauki, 61(3). ISSN 0568-465X; (EBSCO; WorldCat) https://doi.org/10.61308/PNRR1398 |
22.11.2024 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalcheva, V., A. Dragoeva, K. Kalchev, D. Enchev (2009) Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bone marrow cells. // Genetics and Molecular Biology, 32(2):389-393. ISSN 14154757, IF2009-0.870, DOI:10.1590/S1415-47572009000200028, (Web of Science, Scopus, 2009-Q4) ÖÈÒÈÐÀÍÀ Â: Kumar, R., A. Maurya, A. Raj (2024) Exploring the potential of bacterial consortium for the treatment of paper mill effluent treatment through various treatment strategies and evaluation of their toxicity. // Journal of Water Process Engineering, 60: 105135. ISSN: 22147144, https://doi.org/10.1016/j.jwpe.2024.105135 (Q1, Scopus, SJR2022-1.144) |
22.11.2024 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalcheva, V., A. Dragoeva, K. Kalchev, D. Enchev (2009) Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bone marrow cells. Genetics and Molecular Biology, 32(2):389-393. ISSN 14154757, IF2009-0.870, DOI: 10.1590/S1415-47572009000200028, (Web of Science, Scopus, 2009-Q4) Öèòèðàíà â: Macar, O., Kalefetoglu Macar, T., Cavusoglu, K. et al. Lycopene: an antioxidant product reducing dithane toxicity in Allium cepa L. Scientific Reports, 13, 2290 (2023). ISSN 2045-2322, (IF2022=4.440; SJR2022=0.973, Q1; Scopus, Web of Science) https://doi.org/10.1038/s41598-023-29481-4 |
22.11.2024 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalcheva, V., A. Dragoeva, K. Kalchev, D. Enchev (2009) Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bone marrow cells. Genetics and Molecular Biology, 32(2):389-393. ISSN 14154757, IF2009-0.870, DOI: 10.1590/S1415-47572009000200028, (Web of Science, Scopus, 2009-Q4) Öèòèðàíà â: Cavusoglu, D., Cavusoglu, K. Determination of Dose-Dependent Toxic Effect of Coronatine, a Bacterial Phytotoxin, with the Help of Physiological, Cytogenetic, Biochemical, and Anatomical Parameters Using the Allium cepa Test Model. Biol Bull Russ Acad Sci (2023). ISSN 2045-2322, (IF2022=4.440; SJR2022=0.973, Q1; Scopus, Web of Science) https://doi.org/10.1134/S1062359023602124 |
22.11.2024 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalcheva, V., A. Dragoeva, K. Kalchev, D. Enchev (2009) Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bone marrow cells. Genetics and Molecular Biology, 32(2):389-393. ISSN 14154757, IF2009-0.870, DOI: 10.1590/S1415-47572009000200028, (Web of Science, Scopus, 2009-Q4) Öèòèðàíà â: Cavusoglu D. (2023) Modulation of NaCl-induced osmotic, cytogenetic, oxidative and anatomic damages by coronatine treatment in onion (Allium cepa L.) Scientific Reports, 13:1580. ISSN 2045-2322, (IF2022=4.440; SJR2022=0.973, Q1; Scopus, Web of Science) https://doi.org/10.1038/s41598-023-28849-w |
22.11.2024 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| A. Georgieva, L. Yakimov, K. Kalchev, E. Tsvetanova,*N. Chipev& A. Alexandrova (2021). Variations of glutatione level and glutatione related enzymes activities in Mytilus galloprovincialis LAM. from bulgarian black sea coastal region. Ecologia Balkanica, 22, No 2, 532–541 |
28.06.2021 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ãîäèøíèê
| Äîêëàäè
| Sevginar Ibryamova, N. Arhangelova, T. Koynova, D. Dimitrov, Zh. Dimitrova, R. Ivanov,K. Kalchev, N. Chipev, N. Natchev, Ts. Ignatova-Ivanova1. 2019.The radioactivity and microbiological evaluation of Mussels (Mytilus galloprovincialis Lam.) and algae used as a bio-indicator species in the ecological monitoring of The Bulgarian Black Sea waters.29-th Jubilee Annual Assembly of International Medical Association Bulgaria (IMAB) 09 - 12 May 2019.Hotel Admiral, Resort Golden Sands, near Varna, Bulgaria. |
31.05.2021 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ãîäèøíèê
| Äîêëàäè
| Sevginar Ibryamova, N. Arhangelova, T. Koynova, D. Dimitrov, Zh. Dimitrova, R. Ivanov,K. Kalchev, N. Chipev, N. Natchev, Ts. Ignatova-Ivanova1. 2019.The radioactivity and microbiological evaluation of Mussels (Mytilus galloprovincialis Lam.) and algae used as a bio-indicator species in the ecological monitoring of The Bulgarian Black Sea waters.29-th Jubilee Annual Assembly of International Medical Association Bulgaria (IMAB) 09 - 12 May 2019.Hotel Admiral, Resort Golden Sands, near Varna, Bulgaria. |
31.05.2021 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ðåôåðèðàíè èçäàíèÿ
| Äîêëàäè
| Borislava Pavlova, Sevginar Ibryamova, Stefani Toschkova, Elitsa Stanachkova, Dimitar Doichev, Karamfil Kalchev, Darina Bachvarova, Nikolay Natchev, Tsveteslava Ignatova-Ivanova. Investigation of the degree of pollution of Varna Lake by the use of white sand mussels as a microbiological biomarker. Ninth student scientific conference “Åcology and environment” April 23-24, 2021. Volume 8. ISSN 2367-5209. |
31.05.2021 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalcheva, V., A. Dragoeva, K. Kalchev, D. Enchev (2009) Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bonemarrow cells. Genetics and Molecular Biology, 32(2):389-393. doi: 10.1590/S1415-47572009000200028, ISSN: 0100-8455 (Web of Science, IF 0.813, Q4) ÖÈÒÈÐÀÍÀ Â: Macar, O. (2020) Multiple toxic effects of tetraconazole in Allium cepa L. meristematic cells. Environmental Science and Pollution Research (2020). https://doi.org/10.1007/s11356-020-11584-4 ISSN 16147499 (WoS, IF 3.600, Q2) |
31.05.2021 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| alchealcheva V, A Dragoeva, K Kalchev, D Enchev Low dose genotoxicity of 4-bromo-N, N-diethyl-5, 5-dimethyl-2, 5-dihydro-1, 2-oxaphosphol-2-amine Kalcheva V, A Dragoeva, K Kalchev, D Enchev Low dose genotoxicity of 4-bromo-N, N-diethyl-5, 5-dimethyl-2, 5-dihydro-1, 2-oxaphosphol-2-amine 2-oxide in mice bone marrow cells and Allium cepa L. root tip - Genetika, 2009. ÖÈÒÈÐÀÍÀ Â: Dumei Ma, Shanshan Hu, Sirui Chen, Jiaoting Pan, Song Tu, Yingwu Yin, Yuxing Gao, Yufen Zhao2020 Palladium-Catalyzed Addition/Cyclization of (2-Hydroxyaryl)boronic Acids with Alkynylphosphonates: Access to Phosphacoumarins Organic Letters 22 (20), 8156-8160 DOI: 10.1021/acs.orglett.0c03151 |
31.05.2021 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Äðóãè
| Öèòèðàíèÿ
| Bachvarova D., A. Doichinov, P. Stoev, K. Kalchev. Habitat preferences and effect of environmental factors on the seasonal activity of Lithobius nigripalpis L. Koch, 1867 (Chilopoda: Lithobiomorpha: Lithobiidae). International Research Journal of Natural Sciences, Volume 3, ¹ 4, pp. 1-13 (APS Impact Factor = 7.72), 2015.
Öèòèðàíà â: Simcic, G. (2019). Primernost terenskih ter javno dostopnih okoljskih podatkov za modeliranje razsirjenosti nekaterih vrst strig (Chilopoda) (Doctoral dissertation, Univerza v Ljubljani, Biotehniska fakulteta).
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31.01.2020 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ñáîðíèê
| Äîêëàäè
| L. Yakimov, G. Nenkova, K. Kalchev, E. Tsvetanova, A. Alexandrova, N. Chipev, Variations of glutathione and glutathione transferases in Mytilus gallaprovincialis LAM. as response to diferent environmental conditions in the northern Bulgarian Black sea aquatory, Sixth International Conference with Youth Scientific Session ECOLOGICAL ENGINEERING AND ENVIRONMENT PROTECTION 5-7 June 2019, Burgas, Bulgaria |
31.01.2020 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ñáîðíèê
| Äîêëàäè
| S. Ibryamova, N. Arhangelova, T. Koynova, D. Dimitrov, Zh. Dimitrova, R. Ivanov, K. Kalchev, N. Chipev, N. Natchev, Ts. Ignatova-Ivanova1. 2019.The radioactivity and microbiological evaluation of Mussels (Mytilus galloprovincialis Lam.) and algae used as a bio-indicator species in the ecological monitoring of The Bulgarian Black Sea waters.29-th Jubilee Annual Assembly of International Medical Association Bulgaria (IMAB) 09 - 12 May 2019.Hotel Admiral, Resort Golden Sands, near Varna, Bulgaria. |
31.01.2020 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
|
 ñáîðíèê
| Äîêëàäè
| Kalchev, K., Kinetics of soil enzyme activities in different habitats , ÕÕVII-th International Scientific Conference – 1-2-th June, Starozagorski Mineralni Bani, 2017. 63-64 |
31.01.2020 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Sevginar Ibryamova, Nina Arhangelova, Teodora Koynova, Dimitar Dimitrov, Zheni Dimitrova, Radoslav Ivanov, Karamphil Kalchev, Nescho Chipev, Nikolay Natchev, Tsveteslava Ignatova-Ivanova. Antifungal Activity of Lactic Acid Bacteria, Isolated from (Mytilus galloprovincialis Lam.) in The Bulgarian Black Sea aquatory, 2020. Journal of IMAB - Annual Proceeding (Scientific Papers) IF 0.233; Web of sciences,.ISSN: 1312-773X, 26 (1), pp.2875-2882. Q4 |
31.01.2020 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Dilyan Stoyanov, Gergana Manova, Lyubomir Manov, Karamfil Kalchev. Isolation and characteristics of protein-bound polysaccharides produced by Trametes versicolor from the region of the Shumen plateau. Ecology and Environment proceedings of the seventh student scientific conference, Volume 6, 2019,90-95. |
31.01.2020 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ñáîðíèê
| Äîêëàäè
| Kalchev Karamfil, Gergana Manova, Lyubomir Manov, Georgi Bonchev, Study of birch bark extract interaction with serum albumin - Íàöèîíàëíà êîíôåðåíöèÿ XVI Íàöèîíàëíà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå "Ïðèðîäíè íàóêè 2018", 05.10. - 07.10.2018ã. Øóìåí, Áúëãàðèÿ |
03.12.2018 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ñáîðíèê
| Äîêëàäè
| Simeonova Yoanna, Simona Valkova, Elis Vasfi1, Masha Radoslavova, Karamfil Kalchev, Chronotype: photoperiod at birth, gender and age, Sixth Student Scientific Conference „Ecology and Environment“ Konstantin Preslavsky University of Shumen, April 20 – 21, 2018, Shumen, Bulgaria, P3 |
03.12.2018 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ñáîðíèê
| Äîêëàäè
| Simeonova Yoanna, Simona Valkova, Elis Vasfi, Ralitsa Andreeva, Ivanka Raikova, Masha Radoslavova, Karamfil Kalchev, Biological effects of melatonin in the human body, Sixth Student Scientific Conference „Ecology and Environment“ Konstantin Preslavsky University of Shumen, April 20 – 21, 2018, Shumen, Bulgaria, P4 |
03.12.2018 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ñáîðíèê
| Äîêëàäè
| Masha Radoslavova, Karamfil Kalchev, Simona Valkova, Yoanna Simeonova, Ralitsa Andreeva - Ïîñòåð: Real and optimal start of working time depending on the chronotype - Íàöèîíàëíà êîíôåðåíöèÿ XVI Íàöèîíàëíà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå "Ïðèðîäíè íàóêè 2018", 05.10. - 07.10.2018, Øóìåí, Áúëãàðèÿ |
03.12.2018 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ñáîðíèê
| Äîêëàäè
| Radoslavova Ìàsha, Karamfil Kalchev, Yoanna Simeonova, Simona Valkova, Ralitsa Andreeva - Ïîñòåð: Chronotype and level of capacity for work - Íàöèîíàëíà êîíôåðåíöèÿ XVI Íàöèîíàëíà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå "Ïðèðîäíè íàóêè 2018", 05.10. - 07.10.2018ã. Øóìåí, Áúëãàðèÿ. |
03.12.2018 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Äðóãè
| Öèòèðàíèÿ
| Kalcheva V., A. Dragoeva, K. Kalchev, D. Enchev. 2009. Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bone marrow cells. Genetics and Molecular Biology. 32(2): 389-393. (IF 0.58) ÖÈÒÈÐÀÍÀ Â: Soare LC, NA Sutan 2018 Current Trends in Pteridophyte Extracts: From Plant to Nanoparticles. Pages 329-357 In: Current Advances in Fern Research Fernandez, Helena (Ed.), Springer International Publishing AG, part of Springer Nature. |
03.12.2018 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ñáîðíèê
| Äîêëàäè
| Kalchev, K., Chipev N. (2017). Kinetics of soil enzyme activities in different habitats , ÕÕVII-th International Scientific Conference – 1-2-th June, Starozagorski Mineralni Bani. |
27.11.2017 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ñáîðíèê
| Äîêëàäè
| Radoslavova Masha, Karamfil Kalchev, Ralitsa Andreeva, Victoria Krasenova. The Impact of School Start Change on Adolescents Sleep Duration.XV Íàöèîíàëíà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå "Ïðèðîäíè íàóêè 2017". 29.09. - 01.10.2017ã. Âàðíà |
27.11.2017 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalcheva V., A. Dragoeva, K. Kalchev, D. Enchev. 2009. Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bone marrow cells. Genetics and Molecular Biology. 32(2): 389-393. (IF 0.58) ÖÈÒÈÐÀÍÀ Â: Manna I and Bandyopadhyay M (2017) Engineered Nickel Oxide Nanoparticle Causes Substantial Physicochemical Perturbation in Plants. Front. Chem. 5:92. (IF 3.994) |
27.11.2017 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalcheva V., A. Dragoeva, K. Kalchev, D. Enchev. 2009. Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bone marrow cells. Genetics and Molecular Biology. 32(2): 389-393. (IF 0.58) ÖÈÒÈÐÀÍÀ Â: Vinod Jaiswal, Mahesh Samant, Ashiya Kadir, Komal Chaturvedi, A. B. Nawale, V. L. Mathe, P. M. Dongre (2017) UV Radiation Protection by Thermal Plasma Synthesized Zinc Oxide Nanosheets. J Inorg Organomet Polym. 27(5): 1211-1219 (IF 1.577) doi:10.1007/s10904-017-0568-y.
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27.11.2017 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Georgi D Bonchev, Lyubomir Å ManovandKaramfil N Kalchev, 2017. Detecting the presence of antitumor terpenoids in bark of white birch from North-eastern Bulgaria, Journal of Pharmacognosyand Phytochemistry, 6 (2), 164-167, E-ISSN:2278-4136, P-ISSN:2349-8234. |
02.07.2017 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Èçâåñòèå
| Äîêëàäè
| Kalchev, K., Chipev N. (2016). Comparative analysis of protease and urease activity in soils from Livingston Island (Antarctica), ÕÕVI-th International Scientific Conference – 2-3-th June, Starozagorski Mineralni Bani. (äîêëàä) |
29.11.2016 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Äðóãè
| Öèòèðàíèÿ
| Kalcheva V., A. Dragoeva, K. Kalchev, D. Enchev, 2009. Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bone marrow cells. Genetics and Molecular Biology, 32(2): 389-393. Öèòèðàíî â: Ìàøêîâèñ Ïàâëå, äèïëîìèðàíè õåìè÷àð, ¼å çà èçðàäó äîêòîðñêå äèñåðòàöè¼å ïðè¼àâèî òåìó, Áèîõåìè¼ñêà àêòèâíîñò àëêîõîëíîã åêñòðàêòà áèšàêà Halacsya sendtneri, Onosma aucherianum è Kitaibelia vitifolia ó ôóíêöè¼è êîëè÷èíå ôåíîëíèõ ¼åäèœåœà. Íàó÷íî-íàñòàâíîì âåhó ÏÌÔ-à ó Êðàãó¼åâöó, 2011. |
16.11.2016 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ñáîðíèê
| Äðóãè ïóáëèêàöèè
| Marinova, H.,K. Kalchev. 2014 Characterization of extracellular proteases, protease inhibitors and alkaline phosphatases activities from streptomyces strains, ECOLOGY AND ENVIRONMENT PROCEEDINGS OF THE SECOND STUDENT SCIENTIFIC CONFERENCE, 1:222. |
16.11.2016 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalcheva V, A., Dragoeva, K., Kalchev, D., Enchev, 2009. Determination of cytotoxic effect of 4-bromo-N, N-diethyl-5,5-dimethyl-2,5-dihydro-1,2-oxaphosphol-2-amine 2-oxide. Biotechnol Biotec Eq 23: 414 – 417. ÖÈÒÈÐÀÍÀ Â: Jitareanu, A., S. Padureanu, G. Tataringa, Cristina Tuchilus, U. Stanescu, 2013, Evaluation of phytotoxic and mutagenic effects of some cinnamic acid derivatives using the Triticum test, Turkish Journal of Biology, 37 (1) doi:10.3906/biy-1304-39 (IF 0.914) |
16.11.2016 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ðåôåðèðàíè èçäàíèÿ
| Öèòèðàíèÿ
| Kalchev, K., Rabadjiev, Y., Ganchev, D., Tsenova, M., Iliev, I., & Ivanova, I. (2013). Study of proteases and protease inhibitors from Streptomyces strains. Bulg. J. Agric. Sci, 19(2), 65-67. ÖÈÒÈÐÀÍÀ Â: El-Hadedy, D. E., Saad, M. M., & Hassan, H. M. (2014). Protease Inhibitor Expression with Immobilized Cells of Egyptian Streptomyces lavendulae on Different Radiated Matrices Using Gamma Radiation. World Journal of Pharmaceutical Sciences, 2(9), 899-913. |
16.11.2016 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ðåôåðèðàíè èçäàíèÿ
| Öèòèðàíèÿ
| Kalcheva V., A. Dragoeva, K. Kalchev, D. Enchev, 2009. Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bone marrow cells. Genetics and Molecular Biology. 32(2): 389-393. (IF 0.58) ÖÈÒÈÐÀÍÀ Â: Al-Ansary A.M.F., Nagwa R. Abd-El Hamied, A.M. Abd-El-Hamid, M.E.S. Ottai (2016) Cytogenetic changes and genomic DNA assay of Sudani and Masri Roselle varieties affected by different gamma irradiation doses. International Journal of ChemTech Research Vol.9, No.03 pp 97-107 (SJR 0.21) |
16.11.2016 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Äðóãè
| Ó÷åáíè ïîìàãàëà
| Îäæàêîâà Ì., Ñâ. Ïåòðîâà, À. Àëåêñàíäðîâà, Ê. Êàë÷åâ, 2014. Ïðîòîêîëíà òåòðàäêà ïî áèîõèìèÿ. Èçä. “Õèìåðà” ÎÎÄ, 122. ISBN 978-954-9775-97-6 |
16.11.2016 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalcheva V., A. Dragoeva, K. Kalchev, D. Enchev. 2009. Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bone marrow cells. Genetics and Molecular Biology. 32(2): 389-393. (IF 0.58) ÖÈÒÈÐÀÍÀ Â: Izet Eminovic, Emira Kahrovic, Aner Mesic, Emir Turkusic, Dzenana Kargic, Adnan Zahirovic, Zana Dolicanin 2016 Cytogenotoxic effects of two potential anticancer Ruthenium(III) Schiff Bases complexes. JOURNAL OF HEALTH SCIENCES. DOI: http://dx.doi.org/10.17532/jhsci.2016.357 |
15.11.2016 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 íàó÷íî ñïèñàíèå
| Ñòàòèè
| Kalchev, K., N, Chipev, 2016. Comparative analysis of protease and urease activity in soils from Livingston Island (Antarctica). Science & Technologies, 6(2), 8-14. |
31.08.2016 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalchev, K., Rabadjiev, Y., Ganchev, D., Tsenova, M., Iliev, I., & Ivanova, I. (2013). Study of proteases and protease inhibitors from Streptomyces strains. Bulg. J. Agric. Sci, 19(2), 65-67. ÖÈÒÈÐÀÍÀ Â: Ashwini, B., & Manjula, I. K. (2015). Protein fraction from actinomycetes isolates inhibits protease activity secreted by staphylococcus aureus. European Journal of Pharmaceutical and Medical Research, 2(7), 186-193. |
31.08.2016 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Bachvarova, D., Al. Doichinov, P. Stoev, K. Kalchev, 2015. Habitat preferences and effect of environmental factors on the seasonal activity of Lithobius nigripalpis L. Koch, 1867 (Chilopoda: Lithobiomorpha: Lithobiidae), International Research Journal of Natural Sciences, Vol. 3, ¹ 4, pp. 1-13, ISSN 2053-4116. |
31.08.2016 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
|
 ñáîðíèê
| Äîêëàäè
| Georgieva T., K. Kalchev, 2015, Enzyme activities in soils from different habitats, Third student scientific conference “Ecology and Environment”, Vol. 2, Konstantin Preslavsky University Press, Shumen, 121. |
26.11.2015 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kalcheva V., A. Dragoeva, K. Kalchev, D. Enchev. 2009. Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bone marrow cells. Genetics and Molecular Biology. 32(2): 389-393. (IF 0.58) ÖÈÒÈÐÀÍÀ Â: K. Dwivedi and G. Kumar (2015) Genetic Damage Induced by a Food Coloring Dye (Sunset Yellow) on Meristematic Cells of Brassica campestris L. Journal of Environmental and Public Health, Article ID 319727, 5 pages http://dx.doi.org/10.1155/2015/319727 (SJR 0.79) |
26.11.2015 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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 ðåôåðèðàíè èçäàíèÿ
| Öèòèðàíèÿ
| Kalcheva V., A. Dragoeva, K. Kalchev, D. Enchev. 2009. Cytotoxic and genotoxic effects of Br-containing oxaphosphole on Allium cepa L. root tip cells and mouse bone marrow cells. Genetics and Molecular Biology. 32(2): 389-393. (IF 0.58) ÖÈÒÈÐÀÍÀ Â: Njoku, K.L., Akinola, M.O. and Tommy, I. O. (2015) Genotoxicity of industrial paint effluent on the root meristem of Allium cepa. IOSR Journal of Environmental Science, Toxicology and Food Technology (IOSR-JESTFT). 9(2):11-17. (SJIF 0.417) |
26.11.2015 |
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Ãë. àñ. ä-ð Êàðàìôèë Íèêîëîâ Êàë÷åâ
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Kalchev, K., 2014. Purification and characterization of proteases from Streptomyces strains. Bulg. J. Agric. Sci., 20 (1): 66–68, IF (0,198). |
17.12.2014 |
