Kemampuan Kerang Hijau (Perna viridis) Mengakumulasi Plutonium Melalui Jalur Air Laut

B. Budiawan, Nur Hidayati Febriana, H. Suseno
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引用次数: 3

Abstract

Operasional fasilitas nuklir yang ada di Serpong memungkinkan melepas radionuklida ke lingkungan. Isotop Pu merupakan radionuklida yang terlepas ke lingkungan. Lepasan tersebut terbawa oleh air sungai atau run off memasuki Teluk Jakarta. Kerang hijau (Perna viridis) mampu mengakumulasi radionuklida tersebut. Studi ini bertujuan untuk memahami kinetika proses bioakumulasi Pu oleh kerang hijau yang dipengaruhi oleh spesiasinya. Percobaan dilakukan melalui tahapan: aklimatisasi, bioakumulasi (242Pu3+ dan 242Pu4+) dan depurasi. Parameter biokinetika diamati meliputi faktor konsentrasi (CF), konstanta laju pengambilan (ku), konstanta laju pelepasan (ke), faktor biokonsentrasi (BCF), dan waktu paruh biologis (tb1/2). Berdasarkan uji statis non parametric menunjukkan spesiasi 242Pu3+ dan 242Pu4+ berpengaruh terhadap kemampuan Perna viridis mengakumulasi Pu.  Rerata kemampuan bioakumulasi 242Pu4+  oleh Perna viridis adalah 1,2 kali dibandingkan 242Pu4+. Kata kunci : Bioakumulasi , biokinetika,  Perna viridis, plutonium,  spesiasi,  Perna viridis, plutonium. Operations of nuclear facilities in Serpong have potentially release radionuclides to environment. Pu isotope is one of radionuclide that is released into the environment. The release of this radionuclide was carried by the river water or run off entered the Bay of Jakarta. Green mussels (Perna viridis) can be accumulate this radionuclides. The aims of this study was to understand of the biokinetic of Pu bioaccumulation process by green mussels which are affected by its speciation. The experiment was carried out through stages: acclimatization, bioaccumulation (242Pu3+ and 242Pu4+) and depuration. Biokinetic parameters was observed include concentration factor (CF), uptake rate constant (ku), release rate constant (ke), bioconcentration factor (BCF), and biological half-life (tb1/2). Base on non parametric statistic test shown that speciation of 242Pu3+ and 242Pu4+ had an effect on the ability of Perna viridis to accumulate Pu. Avarage of bioaccumulation capabilities of 242Pu4+ by Perna viridis are 1.2 than 242Pu3+. Keywords: bioaccumulation, biokinetics, plutonium, Perna viridis,  speciation.
绿核病毒通过海水通道积累钚的能力
Serpong的运行核设施允许放射性核素释放到环境中。钚的同位素是一种释放到环境中的放射性核素。这条通道要么被河水冲走,要么流入雅加达湾。绿核(Perna viridis)可以积累这些放射性核素。本研究旨在了解受物种影响的绿壳对钚生物累积过程的动力学。实验分为驯化、生物累积(242Pu3+和242Pu4+)和净化阶段。观察到的生物动力学参数包括浓度因子(CF)、吸收速率常数(I)、释放速率常数(ke)、生物浓缩因子(BCF)和生物半衰期(tb1/2)。基于非参数静态测试,规格242Pu3+和242Pu4+影响Pu积累病毒作用的能力。[UNK]生物累积能力242Pu4+[UNK]的比例是242Pu4+的1.2倍。关键词:生物累积,生物动力学,[UNK]绿脓杆菌,钚,[UNK]物种,[UNK]绿脓菌,钚。Serpong核设施的运行可能会向环境释放放射性核素。钚同位素是释放到环境中的放射性核素之一。这种放射性核素的释放是由流入雅加达湾的河水或径流携带的。绿贻贝(绿贻贝)可以积累这种放射性核素。本研究的目的是了解受物种形成影响的绿贻贝对钚生物累积过程的生物动力学。实验分驯化、生物累积(242Pu3+和242Pu4+)和净化三个阶段进行。观察到的生物动力学参数包括浓度因子(CF)、吸收速率常数(ku)、释放速率常数(ke)、生物浓缩因子(BCF)和生物半衰期(tb1/2)。基于非参数统计检验表明,242Pu3+和242Pu4+的形态对绿脓杆菌积累Pu的能力有影响。绿脓杆菌对242Pu4+的生物累积能力比242Pu3+高1.2倍。关键词:生物累积,生物动力学,钚,绿脓杆菌,物种形成。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
0.80
自引率
0.00%
发文量
15
审稿时长
24 weeks
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