150 research outputs found

    Nodulation of strain D5 inoculated plants.

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    <p>A. <i>Acacia confusa</i>, B. <i>Acacia crassicarpa</i>, C. <i>Acacia mangium</i>, D. <i>Glycine max,</i> and E. Control.</p

    Phylogenetic dendrogram of strain D5 <i>nodA</i> sequence.

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    <p>Phylogenetic dendrogram of strain D5 <i>nodA</i> sequence.</p

    The nodulation rates of strain D5 inoculated <i>Acacia confusa</i>, <i>A. crassicarpa, A. mangium</i>, and <i>Glycine max</i>, and the corresponding nitrogenase activities of root nodules.

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    <p>The nodulation rates of strain D5 inoculated <i>Acacia confusa</i>, <i>A. crassicarpa, A. mangium</i>, and <i>Glycine max</i>, and the corresponding nitrogenase activities of root nodules.</p

    PCR results of 16S rRNA of strain D5.

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    <p>PCR results of 16S rRNA of strain D5.</p

    PCR results of strain D5 <i>nifH</i> gene.

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    <p>PCR results of strain D5 <i>nifH</i> gene.</p

    PPh<sub>3</sub>‑Mediated [4 + 2]- and [4 + 1]-Annulations of Maleimides with Azoalkenes: Access to Fused Tetrahydropyridazine/Pyrrolidinedione and Spiro-dihydropyrazole/Pyrrolidinedione Derivatives

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    Unprecedented PPh<sub>3</sub>-mediated [4 + 2]- and [4 + 1]-annulation of maleimides with in situ formed azoalkenes have been successfully developed, affording fused tetrahydropyridazine/pyrrolidinedione and spiro-dihydropyrazole/pyrrolidinedione derivatives in good yields under mild reaction conditions. Maleimides serve as C2 synthons in the [4 + 2]-annulation using 1,2-dichloroethane as the solvent in the presence of 20 mol % of PPh<sub>3</sub>. With a stoichiometric amount of PPh<sub>3</sub> in acetone, maleimides serve as C1 synthons, and the in situ formed phosphorus ylide is the key intermediate to realize this [4 + 1]-annulation

    Phylogenetic dendrogram of strain D5 <i>nifH</i> gene.

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    <p>Phylogenetic dendrogram of strain D5 <i>nifH</i> gene.</p

    Distinctive Extrinsic Atom Effects on the Structural, Optical, and Electronic Properties of Bi<sub>2</sub>S<sub>3‑x</sub>Se<sub><i>x</i></sub> Solid Solutions

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    For many decades, bulk Bi<sub>2</sub>S<sub>3</sub>, a key low-bandgap metal chalcogenide semiconductor, has lagged behind in terms of potential applications due to its poor electrical properties. As such, controlling size extrinsic atom interactions in this material might emerge as a viable route to enhance its poor electrical properties. Here, we report the hydrothermal synthesis, structural characterization, and optoelectronic properties of Bi<sub>2</sub>S<sub>3‑<i>x</i></sub>Se<sub><i>x</i></sub> solid solutions. Optical characterizations show a decrease in the bandgap of Bi<sub>2</sub>S<sub>3</sub> nanowires as a function of Se concentrations. Furthermore, ensemble electrical transport measurements suggest a pronounced increase in the electrical properties of Bi<sub>2</sub>S<sub>3</sub> nanowires upon Se incorporation. This study points to the importance of carefully controlling the stoichiometry and sizes in Bi<sub>2</sub>S<sub>3</sub> as a way to favorably tune its optoelectronic properties

    Potentiometric titration modeling results for <i>Botryococcus sp</i>. FACGB-762, <i>Chlorella sp</i>. XJ-445 <i>and D</i>. <i>bijugatus</i> XJ-231 under different growth phases.

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    <p>Potentiometric titration modeling results for <i>Botryococcus sp</i>. FACGB-762, <i>Chlorella sp</i>. XJ-445 <i>and D</i>. <i>bijugatus</i> XJ-231 under different growth phases.</p
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