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Efficient Sampling of Genetically Encoded Biosensor Design Space Enabled with a Design of Experiments and Automation Workflow08:58

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This protocol provides a method for the systematic global optimization of genetically encoded biosensors through automation-assisted genetic library generation and assessment. This is coupled with design-of-experiment methodologies to streamline experimentation and enable the selection of genetic components to tune biosensors to specific design outcomes.
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Access to decentralized, low-cost, and high-capacity diagnostics that can be deployed into the community for decentralized testing is critical for combating global health crises. This manuscript describes how to build paper-based diagnostics for viral RNA sequences that can be detected with a portable optical...
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Field-effect biosensing (FEB) is a label-free technique for detecting biomolecular interactions. It measures the electric current through the graphene biosensor to which the binding targets are immobilized. The FEB technology was used to evaluate biomolecular interactions between Hsp90 and Cdc37 and a strong interaction between the two proteins was...
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関連する実験動画

Updated: Jan 6, 2026

Efficient Sampling of Genetically Encoded Biosensor Design Space Enabled with a Design of Experiments and Automation Workflow
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ベルミューダの下の揮発性物質に富んだ移行地帯のサンプリング

Sarah E Mazza1, Esteban Gazel2, Michael Bizimis3

  • 1Institute for Planetology, University of Münster, Münster, Germany. smazza@smith.edu.

Nature
|May 17, 2019
PubMed
まとめ

科学者はバミューダの底で 独特のマントル貯蔵庫を発見しました 極度の同位体と 富んだ揮発性物質が特徴です この発見は,最近マントルのリサイクルが 移行地帯に起こっていることを示し,深層マントルの源についての以前の仮定に異議を唱える.

さらに関連する動画

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関連する実験動画

Last Updated: Jan 6, 2026

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09:39

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科学分野:

  • 地化学
  • マントル・ペトロロジー
  • 同位体地化学

背景:

  • 地球のマントルの組成と異質性についての洞察を提供している.
  • マントルの異質性は,しばしば潜水による揮発性物質と相容れない元素のリサイクルに関連しています.
  • 板内火山の中には 深いマントルの源泉を利用する火山もありますが 浅い貯水池もマグマ生成に寄与しています

研究 の 目的:

  • ベルミューダから採取した 未確認のマントルの構成と起源を調査する
  • このマントルの独特のイソトープシグネチャーと揮発性物質の含有量を特徴づける.
  • マントルのリサイクルと極端な同位体領域の形成への影響を調査する.

主な方法:

  • 噴火した溶岩の高精度同位体比 (Pb, Sr, Nd, Hf) を測定する.
  • シリカが満たされていない溶液の地化学分析.
  • マントルの流れと貯水池のサンプリングを理解するための地動力学的モデリング.

主要な成果:

  • バーミューダは,極端な放射性206Pb/204Pbイソトープ (19.9-21.7) と低い207Pb/204Pb比率 (15.5-15.6) を有するマントルの領域をサンプリングしています.
  • 貯蔵庫は,不適合な元素と揮発性物質,不変のSr,Nd,Hfイソトープで濃縮されており,年齢が6億5000万年未満であることを示唆しています.
  • 証拠は,マントルの移行地帯に K-ホランドイトのような鉱物が含まれる 暫定的な貯水池を指しています.

結論:

  • ベルミューダの源は,新しい,最近リサイクルされたマントルの貯水池を表しています.
  • パンゲアの形成中の潜水現象は,貯水池の形成と大西洋特有の発生に寄与した可能性がある.
  • 地化学的証拠は,以前は深層リサイクリングにのみ起因する極端な同位体領域を生成する移行ゾーン貯蔵の役割を示しています.