KR102555152B1 - 미생물을 이용한 방사선 차폐용 조성물 및 이를 포함하는 방사선 차폐재 - Google Patents
미생물을 이용한 방사선 차폐용 조성물 및 이를 포함하는 방사선 차폐재 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 실험예에서 방사선(감마선) 조사량 증가에 따른 미생물 균주별 변화를 나타낸다.
도 3에서 (a)는 방사선 조사하지 않은 Cladosporium cladosporioides 균주의 생장 사진이고, (b)는 392 Gy의 흡수선량을 가지는 Cladosporium cladosporioides 균주의 생장 사진이다.
도 4는 본 발명에서 미생물 부착에 이용한 다공성 폴리우레탄 필터를 나타낸다.
도 5는 본 발명에서 실시된 방사선(감마선) 조사실 내에서 차폐재 시료의 조사 거리에 따른 배치를 나타낸다.
도 6은 방사선 차폐율 측정 기구로서, (a)는 방사선 차폐율 측정 장비, (b)는 방사선 차폐율 측정 센서를 나타낸다.
| 흡수선량률 | 조사 거리 | 조사 시간 | 흡수선량 (D) |
| 233 Gy/hr | 25 cm | 93.08 hr | 233 Gy/hr ×93.08 hr = 21,687 Gy |
| 2.37 Gy/hr | 379 cm | 93.08 hr | 2.37 Gy/hr×93.08 hr = 220.6 Gy |
| 선량 | Dry biomass (mg/100mL) | 5일차 Control 대비 생존율(%) | |
| 0일 | 5일 | ||
| 0 Gy (Control) |
205 | 495 | 100% |
| 220.6 Gy | 205 | 531 | 107.3% |
| 21687 Gy | 205 | 289 | 58.4% |
| 선량 | Dry biomass (mg/100mL) | 5일차 Control 대비 생존율(%) | |
| 0일 | 5일 | ||
| 0 Gy (Control) |
288 | 623 | 100% |
| 220.6 Gy | 288 | 588 | 94.4% |
| 21687 Gy | 288 | 290 | 46.5% |
| 선량 | 생균수 (CFU/mL) | 5일차 Control 대비 생존율( % ) | |
| 0일 | 5일 | ||
| 0 Gy (Control) |
1.0×106 | 7.1×106 | 100% |
| 220.6 Gy | 1.0×106 | 6.9×106 | 97.2% |
| 21687 Gy | 1.0×106 | 5.6×104 | 0.8% |
| 방사선 조사일수 | 0일 | 7일 |
| 대조구 | 직경 3.60 ㎝ | 직경 3.90 ㎝ |
| 392 Gy 조사 | 직경 3.59 ㎝ | 직경 5.20 ㎝( 대조구 대비 1.78배 생장량 증가) |
| 3,810 Gy 조사 | 직경 3.61 ㎝ | 직경 3.10㎝ |
| 38,600 Gy 조사 | 직경 3.62 ㎝ | 직경 3.05㎝ |
| 방사선 조사 | 60Co | 온도: 22.7±1℃ (조사실) |
| 흡수선량률 ( Gy /hr) | 2.3 | 광조도: 30-70 Lx |
| 총 조사시간 | 48 hr | |
| 총 흡수선량 : 110.4 Gy | ||
| 처리구(3반복) |
Radiation Shielding Rate(차폐율) (%)
[(D0-D)/D0)]×100 |
|||||
| 실시예 | 균주 | 22hr | 48hr | 차폐율 평균(%) | ||
| 대조구 | - | 1반복 2반복 3반복 |
7.714206 5.359606 7.847337 |
10.222980 7.970050 9.021764 |
|
|
| 평균값 | 6.973717 | 9.071598 | 8.2 | |||
| 실시예 1 | P. chrysosporium | 1반복 2반복 3반복 |
15.006447 14.716102 14.467462 |
14.156591 14.255646 14.714976 |
|
|
| 평균값 | 14.730004 | 14.375738 | 14.6 | |||
| 실시예 2 | T. loubieri | 1반복 2반복 3반복 |
15.251054 12.580364 12.132538 |
15.172152 10.388004 13.717625 |
|
|
| 평균값 | 13.321318 | 13.092594 | 13.2 | |||
| 실시예 3 | C. cladosporioides | 1반복 2반복 3반복 |
28.317547 21.776832 22.431189 |
25.219327 22.316921 19.726522 |
|
|
| 평균값 | 24.175189 | 22.420923 | 23.3 | |||
| 실시예 4 | P. chrysosporium + T. loubieri |
1반복 2반복 3반복 |
17.034614 15.698547 15.495756 |
14.978545 15.125686 15.354685 |
||
| 평균값 | 16.076306 | 15.152972 | 15.6 | |||
| 실시예 5 | P. chrysosporium + C. cladosporioides |
1반복 2반복 3반복 |
32.546856 25.456256 24.966856 |
25.969869 24.987895 23.546686 |
||
| 평균값 | 27.656656 | 24.834817 | 26.2 | |||
| 실시예 6 | T. loubieri + C. cladosporioides |
1반복 2반복 3반복 |
30.569624 27.695614 25.266562 |
26.594856 24.496256 25.765922 |
||
| 평균값 | 27.843933 | 25.619011 | 26.7 | |||
| 실시예 7 | P. chrysosporium + T. loubieri + C. cladosporioides |
1반복 2반복 3반복 |
30.469856 27.456253 27.685794 |
26.995586 25.262575 26.096846 |
||
| 평균값 | 28.537301 | 26.118336 | 27.3 | |||
| 두께 2㎜ 납 두께 4㎜ 납 두께 6㎜ 납 |
13.668271 17.361586 29.168030 |
11.646847 19.719506 26.541714 |
12.7
18.5 27.9 |
|||
Claims (9)
- a) 클라도스포리움 속(Cladosporium sp.) 미생물을 포함하고,
b) 패네로키테 속(Phanerochaete sp.) 미생물 및 트라이코스포론 속(Trichosporon sp.) 미생물 중에서 선택된 1종 이상의 미생물을 더 포함하는 것을 특징으로 하는, 방사선 차폐용 조성물. - 제1항에 있어서,
상기 클라도스포리움 속 미생물은 클라도스포리움 클라도스포리오이데스(Cladosporium cladosporioides)인, 방사선 차폐용 조성물. - 제1항에 있어서,
상기 패네로키테 속 미생물은 패네로키테 크라이소스포리움(Phanerochaete chrysosporium) 또는 패네로키테 소르디다(Phanerochaete sordida)인, 방사선 차폐용 조성물. - 제1항에 있어서,
상기 트라이코스포론 속 미생물은 트라이코스포론 루비에리(Trichosporon loubieri)인, 방사선 차폐용 조성물. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020200132329A KR102555152B1 (ko) | 2020-10-14 | 2020-10-14 | 미생물을 이용한 방사선 차폐용 조성물 및 이를 포함하는 방사선 차폐재 |
| US18/031,874 US20230386691A1 (en) | 2020-10-14 | 2020-11-23 | Composition for radiation shield using microorganisms and radiation shield material including the same |
| EP20957816.0A EP4231315A4 (en) | 2020-10-14 | 2020-11-23 | RADIATION PROTECTION COMPOSITION WITH MICROORGANISMS AND RADIATION PROTECTION MATERIAL THEREOF |
| CN202080106274.2A CN117280426A (zh) | 2020-10-14 | 2020-11-23 | 利用微生物的放射线屏蔽用组合物以及包含其的放射线屏蔽材料 |
| PCT/KR2020/016629 WO2022080572A1 (ko) | 2020-10-14 | 2020-11-23 | 미생물을 이용한 방사선 차폐용 조성물 및 이를 포함하는 방사선 차폐재 |
| JP2023522989A JP2023546656A (ja) | 2020-10-14 | 2020-11-23 | 微生物を利用した放射線遮蔽用組成物、及びこれを含む放射線遮蔽材 |
| KR1020210070468A KR20220049448A (ko) | 2020-10-14 | 2021-05-31 | 미생물을 이용한 방사선 차폐용 조성물 및 이를 포함하는 방사선 차폐재 |
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| KR1020210070468A Ceased KR20220049448A (ko) | 2020-10-14 | 2021-05-31 | 미생물을 이용한 방사선 차폐용 조성물 및 이를 포함하는 방사선 차폐재 |
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| US (1) | US20230386691A1 (ko) |
| EP (1) | EP4231315A4 (ko) |
| JP (1) | JP2023546656A (ko) |
| KR (2) | KR102555152B1 (ko) |
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| US8652827B2 (en) * | 2006-04-05 | 2014-02-18 | Albert Einstein College Of Medicine Of Yeshiva University | Radiosynthesis as an alternative energy utilization process in melanized organisms and uses thereof |
| KR101145703B1 (ko) | 2010-11-24 | 2012-05-24 | (주)에나인더스트리 | 방사선 차폐 시트 |
| JPWO2012153772A1 (ja) * | 2011-05-09 | 2014-07-31 | クラレリビング株式会社 | 放射線遮蔽材 |
| JP2013174557A (ja) * | 2012-02-27 | 2013-09-05 | Bio Techno Net Co Ltd | 微生物及び腐植質を利用した放射性物質除染剤及び放射性物質除染方法 |
| JP2014010040A (ja) * | 2012-06-29 | 2014-01-20 | Shinshu Univ | 土壌からの放射線量を減衰させる方法及び放射線減衰材並びに放射線減衰材の製造方法 |
| KR101598607B1 (ko) * | 2013-07-01 | 2016-02-29 | 서강대학교산학협력단 | 미세조류를 이용한 방사성 핵종의 제거방법 |
| KR101731785B1 (ko) | 2015-11-17 | 2017-05-02 | 제주대학교 산학협력단 | 하이드로젤을 포함하는 연성 방사선 차폐재, 이의 제조방법, 및 이를 포함하는 방사성 물질의 보관용기 |
| KR20170123044A (ko) * | 2016-04-28 | 2017-11-07 | 서강대학교산학협력단 | 미세조류를 함유한 담체를 이용하여 방사성 물질을 제거하기 위한 복합 반투과막 시스템 |
| KR102213178B1 (ko) * | 2018-07-05 | 2021-02-05 | (주)코엔바이오 | 방사능 물질의 방사능을 저감시키는 조성물 및 상기 조성물의 제조 방법 |
| US12338472B2 (en) * | 2018-12-21 | 2025-06-24 | The Johns Hopkins University | Isolation of fungal melanin and uses in external radiation shielding and heat capture |
| KR102035512B1 (ko) | 2019-03-18 | 2019-10-24 | (주)동원엔텍 | 내화성이 우수한 방사선 차폐용 코팅제 조성물 및 그 제조방법 |
| KR102360008B1 (ko) * | 2019-03-18 | 2022-02-09 | 이상희 | 방사성 오염물의 처리용 조성물 및 이를 이용한 방사성 오염물의 처리 방법 |
| CN112703564A (zh) * | 2019-07-09 | 2021-04-23 | (株)库恩生物 | 用于将放射性物质转化成非放射性物质的组成物和制备所述组成物的方法 |
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- 2020-11-23 US US18/031,874 patent/US20230386691A1/en not_active Abandoned
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- 2020-11-23 CN CN202080106274.2A patent/CN117280426A/zh active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| EP4231315A4 (en) | 2024-04-03 |
| KR20220049121A (ko) | 2022-04-21 |
| JP2023546656A (ja) | 2023-11-07 |
| EP4231315A1 (en) | 2023-08-23 |
| KR20220049448A (ko) | 2022-04-21 |
| CN117280426A (zh) | 2023-12-22 |
| US20230386691A1 (en) | 2023-11-30 |
| WO2022080572A1 (ko) | 2022-04-21 |
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