20 research outputs found
NH<sub>4</sub><sup>+</sup>-N measured at various distances from the rice root surface in paddy soils with different fertility levels (A) 40 d after germination, (B) 50 d after germination, and (C) 60 d after germination, relative to the (D) control (without rice plants).
<p>The bars indicate ±SD. Dots and bars with * indicate a significant difference (p<0.05) between the two fertility levels.</p
A representative graph showing oxygen profiles of the rhizosphere and within the rice root, 50 d after germination, growing in the (A) low- and (B) high-fertility soils at 20°C.
<p>The rice plant roots were separated from the soil and placed in agar with a nutrient solution. Newly formed roots with uniform 45-mm lengths were selected, and both were measured at a position 25 mm away from the root tips. The average diameters of the roots growing in the low- and high-fertility conditions were 0.74 and 0.93 mm at the measured points, respectively. The measurements were repeated in different rice plants and with different newly formed roots, with lengths ranging from 30 to 55 mm. An OXY10 oxygen microelectrode (Unisense, Aarhus, Denmark <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0109161#pone.0109161-Revsbech2" target="_blank">[31]</a>) 8–10 µm in diameter was used to penetrate the rice root longitudinally. Three rhizoboxes were used for the individual rice root ROL measurements. Each curve shown in the figure indicates an individual rice root.</p
Supplementary document for Nonlinear photonic crystals for completely independent asymmetric holographic imaging - 6638576.pdf
Supporting Informatio
Nitrification activities measured at various distances from the rice root surface in paddy soils with different fertility levels (A) 40 d after germination, (B) 50 d after germination, (C) 60 d after germination, relative to the (D) control (without rice plants).
<p>The bars indicate ±SD. Dots and bars with * indicate a significant difference (p<0.05) between the two fertility levels.</p
Rice plant N assimilation, growth, and nitrogen accumulation<sup>a</sup>.
a<p>Values represent means ± SDs with 3 replicates (with each replicate composed of rice plant tissue sampled from different rhizoboxes of each treatment). Different letters in the same column indicate a significant difference at the <i>p</i><0.05 level.</p><p>Rice plant N assimilation, growth, and nitrogen accumulation<sup><a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0109161#nt101" target="_blank">a</a></sup>.</p
Rice root growth and morphology<sup>a</sup>.
a<p>Values represent means (means ± SDs), and different letters in the same column indicate a significant difference at the <i>p</i><0.05 level. Data were pooled for n = 3, except for adventitious root diameter (n = 12), which was measured at the middle of each root selected for the average length of the whole root.</p><p>Rice root growth and morphology<sup><a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0109161#nt102" target="_blank">a</a></sup>.</p
Self-Assembled Amphiphilic Block Copolymers/CdTe Nanocrystals for Efficient Aqueous-Processed Hybrid Solar Cells
Due
to their low cost and high efficiency, polymer/nanocrystal hybrid
solar cells (HSCs) have attracted much attention in recent years.
In this work, water-soluble hybrid materials consisting of amphiphilic
block copolymers (ABCPs) and cadmium telluride nanocrystals (CdTe
NCs) were used as the active layer to fabricate the HSCs via aqueous
processing. The ABCPs composed of polyÂ(3-hexylthiophene) (P3HT) and
polyÂ(acrylic acid) (PAA) self-assembled into ordered nanostructured
micelles which then transformed to nanowires by comicellization with
P3HT additives. Furthermore, after annealing, the hybrid materials
formed an interpenetrating network which resulted in a maximum power
conversion efficiency of 4.8% in the HSCs. The properties of the hybrid
materials and the film morphology were studied and correlated to the
device performance. The results illustrate how the inclusion of ABCPs
for directed assembly and homo-P3HT for charge transport and light
absorption improves device performance. The aqueous-processed HSCs
based on the ABCPs and NCs offer an effective method for the fabrication
of efficient solar cells
DataSheet_2_The safety of colorectal cancer surgery during the COVID-19: a systematic review and meta-analysis.docx
BackgroundThe ongoing coronavirus disease 2019 (COVID-19) pandemic has placed unprecedented pressure on the healthcare systems. This study evaluated the safety of colorectal cancer (CRC) surgery during the COVID-19 pandemic.MethodsA systematic review and meta-analysis were performed according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines (PROSPERO ID: CRD 42022327968). Relevant articles were systematically searched in the PubMed, Embase, Web of Science, and Cochrane databases. The postoperative complications, anastomotic leakage, postoperative mortality, 30-day readmission, tumor stage, total hospitalization, postoperative hospitalization, preoperative waiting, operation time, and hospitalization in the intensive care unit (ICU) were compared between the pre-pandemic and during the COVID-19 pandemic periods.ResultsAmong the identified 561 articles, 12 met the inclusion criteria. The data indicated that preoperative waiting time related to CRC surgery was higher during the COVID-19 pandemic (MD, 0.99; 95%CI, 0.71–1.28; p ConclusionThe COVID-19 pandemic did not affect the safety of CRC surgery. The operation of CRC during the COVID-19 pandemic did not increase postoperative complications, postoperative 90-day mortality, anastomotic leakage, 30-day readmission, the total hospitalization time, postoperative hospitalization time, and postoperative ICU hospitalization time. However, the operation of CRC during COVID-19 pandemic increased T4 of tumor stage during the COVID-19 pandemic. Additionally, the preoperative waiting and operation times were longer during the COVID-19 pandemic. This provides a reference for making CRC surgical strategy in the future.Systematic review registrationhttps://www.crd.york.ac.uk/prospero/, identifier CRD42022327968.</p
Data_Sheet_1_Outcome and risk factors of complications after cranioplasty with polyetheretherketone and titanium mesh: A single-center retrospective study.pdf
BackgroundTo compare the incidence of complications and constructive effects of cranioplasty with polyetheretherketone (PEEK) and titanium mesh after decompressive craniectomy, and to further explore potential risk factors of postoperative and post-discharge complications.MethodsA retrospective study was conducted on 211 patients who underwent PEEK or titanium mesh cranioplasty in the Department of Neurosurgery of Zhujiang Hospital, Southern Medical University, between July 2017 and September 2021. Demographic data, imaging data, and postoperative complications were recorded and statistically analyzed. Long-term effects and satisfaction degree were evaluated based on following-up telephone survey. Univariate and multivariate logistic regression models were used to analyze risk factors of postoperative and post-discharge complications of PEEK and titanium cranioplasty.ResultsThe total postoperative complication rates of the PEEK and titanium mesh groups were 38.7 and 51.4% (p = 0.063), and post-discharge complication rates were 34.7 and 36.0% (p = 0.703), respectively. The incidence of pneumocephalus during hospitalization (33.3% vs. 6.6%, p ConclusionThere were no differences in overall postoperative and post-discharge complication rates between the titanium mesh and PEEK. A history of VPS before cranioplasty was an independent risk factor for postoperative overall complications, and infection was a risk factor for implant failure. Finally, depression skull defects and titanium mesh implants increased the incidence of postoperative pneumocephalus. Our results aim to promote a better understanding of PEEK and titanium cranioplasty and to help both clinicians and patients make better choices on implant materials.</p
DataSheet_1_The safety of colorectal cancer surgery during the COVID-19: a systematic review and meta-analysis.docx
BackgroundThe ongoing coronavirus disease 2019 (COVID-19) pandemic has placed unprecedented pressure on the healthcare systems. This study evaluated the safety of colorectal cancer (CRC) surgery during the COVID-19 pandemic.MethodsA systematic review and meta-analysis were performed according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines (PROSPERO ID: CRD 42022327968). Relevant articles were systematically searched in the PubMed, Embase, Web of Science, and Cochrane databases. The postoperative complications, anastomotic leakage, postoperative mortality, 30-day readmission, tumor stage, total hospitalization, postoperative hospitalization, preoperative waiting, operation time, and hospitalization in the intensive care unit (ICU) were compared between the pre-pandemic and during the COVID-19 pandemic periods.ResultsAmong the identified 561 articles, 12 met the inclusion criteria. The data indicated that preoperative waiting time related to CRC surgery was higher during the COVID-19 pandemic (MD, 0.99; 95%CI, 0.71–1.28; p ConclusionThe COVID-19 pandemic did not affect the safety of CRC surgery. The operation of CRC during the COVID-19 pandemic did not increase postoperative complications, postoperative 90-day mortality, anastomotic leakage, 30-day readmission, the total hospitalization time, postoperative hospitalization time, and postoperative ICU hospitalization time. However, the operation of CRC during COVID-19 pandemic increased T4 of tumor stage during the COVID-19 pandemic. Additionally, the preoperative waiting and operation times were longer during the COVID-19 pandemic. This provides a reference for making CRC surgical strategy in the future.Systematic review registrationhttps://www.crd.york.ac.uk/prospero/, identifier CRD42022327968.</p