10 research outputs found
DataSheet1_UroVysion™ fluorescence in situ hybridization (FISH) possibly has a high positive rate in carcinoma of non-urothelial lineages.PDF
Background: Positive UroVysion™ fluorescence in situ hybridization (FISH) is generally considered as urothelial carcinoma (UC). We clarify if UroVysion™ FISH can be positive in carcinoma of non-urothelial lineages (CNUL), and verify the consistency of urine FISH and histological FISH in CNUL.Methods: All CNUL subjects detected by urine FISH assay due to haematuria from Tongji Hospital were screened. Meanwhile, 2 glandular cystitis and 2 urothelial carcinoma were served as negative or positive control. Paraffin-embedded tissue sections of all subjects were sent to the pathology department for histological FISH detection.Results: A total of 27 patients were included in this study, including 9 with adenocarcinomas, 11 with squamous cell carcinomas, and 7 with other tumour types. The overall positive rate in urine FISH was 64.00% (16/25) in patients with CNUL, 77.78% (7/9) in those with adenocarcinoma and 54.55% (6/11) in those with squamous carcinoma. There was a significant difference in the GLP p16 gene deletion rate between UC and CNUL (100% vs. 8.00%, p = 0.017). Histological FISH results showed that the histological results of 19 patients were consistent with their urine FISH results, and only one patient with stage Ⅲa urachal carcinoma had inconsistent histological FISH results (positive) and urine FISH (negative) results.Conclusion: We demonstrated for the first time the application value of FISH in CNUL on urine samples. Positive urine FISH tests indicate not only UC, but also CNUL. UroVysion™ FISH possibly has a high positive rate in CNUL. CNUL and UC have different genetic changes shown by FISH.</p
Additional file 2: of Effect of acupuncture and its influence on cerebral activity in perimenopausal insomniacs: study protocol for a randomized controlled trial
Consent form. (DOC 114 kb
Magnetic and Quantum Transport Properties of Small-Sized Transition-Metal-Pentalene Sandwich Cluster
The chemical bonds and magnetic and
quantum transport properties
of small-sized transition-metal-pentalene sandwich clusters TM<sub>2<i>n</i></sub>Pn<sub><i>n</i>+1</sub> (TM =
V, Cr, Mn, Co, and Ni; <i>n</i> = 1, 2) were investigated
by using density functional theory and nonequilibrium Green’s
function method. Theoretical results show that TM<sub>2<i>n</i></sub>Pn<sub><i>n</i>+1</sub> sandwiches have high stabilities.
The TM–TM bond order gradually decreases with the increase
of 3d electron number of TM atoms and TM<sub>2<i>n</i></sub>Pn<sub><i>n</i>+1</sub> could exhibit different spin states.
With Au as two electrodes, significant spin-filter capability was
observed in TM<sub>2<i>n</i></sub>Pn<sub><i>n</i>+1</sub>, and such a filter can be switched on/off by changing the
spin state. In addition, giant magnetoresistance was also found in
the systems. These interesting quantum transport properties indicate
that TM<sub>2<i>n</i></sub>Pn<sub><i>n</i>+1</sub> sandwiches are promising materials for designing molecular junction
with different functions
Additional file 1: Figure S1. of Expression of amphiregulin predicts poor outcome in patients with pancreatic ductal adenocarcinoma
AREG RNA and protein levels in pancreatic cancer cells and pancreatic stellate cells. A, AREG mRNA levels in pancreatic cancer cells and pancreatic stellate cells. B, AREG protein levels in pancreatic cancer cells and pancreatic stellate cells, * indicates a P < 0.05. (DOC 718 kb
Lewis and Brønsted Acid Synergistic Catalysis for Efficient Synthesis of Hydroxylamine over Heteroatom Zeolites
Environmental and efficient synthesis of NH2OH is challenging.
Herein, we have provided a route for efficient NH2OH formation
by NH3 oxidation via the synergistic catalysis of Lewis
acid sites of the framework Ti (Ti LAS) and Brønsted acid sites
of the framework Al (Al BAS) in Ti–Al-MOR zeolites. Ti LAS
was the active center for formation of transition-state NH2OH, while Al BAS could provide the proton H to convert transition-state
NH2OH absorbed on Ti LAS to a [NH3OH]+ species. Protonation effect would not only promote the catalytic
cycle process resulting from accelerating the desorption of transition-state
NH2OH, but also improve the stability of NH2OH, being less prone to oxidative decomposition. In this work, we
presented the synergistic catalysis between LAS and BAS over Ti-containing
heteroatom zeolites to accelerate the catalytic cycle, which provided
an environmental and efficient method for NH2OH formation
Synthesis, Characterization, and Properties of Bis-BN Ullazines
A series
of bis-BN ullazine derivatives, including the parent species,
were synthesized in a small number of steps from commercially available
materials. X-ray crystallographic analysis revealed that bis-BN ullazines
have rigid and planar frameworks. Most of the bis-BN ullazines are
stable toward air and moisture. In addition, the absorption and emission
bands of these ullazines are blue-shifted, compared to those of their
carbonaceous ullazine analogs
Highly Oriented Thin Membrane Fabrication with Hierarchically Porous Zeolite Seed
Nanosized zeolite
is widely used as seed for high quality zeolite
membranes fabrication, while its complicated synthesis routine limits
large-scale productions. In this work, a non-nanosized cubic hierarchically
porous TS-1 zeolite (HTS-1), obtained by basic hydrothermal treatment
of conventional ellipsoid solid TS-1, is used as seed to prepare highly
oriented thin membranes. A capillary condensation phenomenon resulting
from the unique hierarchically porous structure benefits gel attachment.
Moreover, abundant ledges, kinks, and terraces on the HTS-1 surface
promote epitaxial growth of the membrane. In contrast, the solid TS-1
seed induces intergrowth dominantly, which results in a thick TS-1
membrane. The HTS-1 membrane demonstrates superior CO<sub>2</sub>/N<sub>2</sub> separation properties compared to the TS-1 one. It associates
with thin oriented membrane morphology, leading to exposure of a high
Miller index surface and less diffuse distance and tortuosity. The
results suggest beneficial effects of a hierarchically porous TS-1
zeolite seed on the interfacial crystal growth for membrane fabrication.
A similar conclusion is applicable to the case of a hierarchically
porous zeolite β. This work develops a facile approach to obtain
a highly oriented thin zeolite membrane with enhanced separation properties
Preparation and Evaluation of Water-Compatible Surface Molecularly Imprinted Polymers for Selective Adsorption of Bisphenol A from Aqueous Solution
Water-compatible
molecularly imprinted polymers (MIPs) for adsorbing
bisphenol A (BPA) in aqueous solutions are synthesized using water-soluble
monomer as surface hydrophilicity-increasing agent via surface addition–fragmentation
chain transfer polymerization. The formation and structure of these
hybrid materials are verified by Fourier transform infrared spectroscopy,
contact angle studies, thermogravimetric analysis, and scanning electron
microscopy. The characterization and adsorption results indicate that
the molecularly imprinted polymers prepared with 2-acrylamido-2-methylpropanesulfonic
acid (AMPS/MIPs) are water-compatible (the contact angle is 14°).
The excellent dispersion of AMPS/MIPs in water provides more opportunity
for BPA molecules to access the imprinted cavities and improves their
recognition characteristics. The kinetics and isotherm data of AMPS/MIPs
can be well described by the pseudo-second-order kinetic model and
the Langmuir isotherm, respectively. The thermodynamic studies indicate
that the adsorption process is a spontaneous exothermic process
Immobilization of Highly Dispersed Ag Nanoparticles on Carbon Nanotubes Using Electron-Assisted Reduction for Antibacterial Performance
Silver nanoparticles (Ag NPs) supported
on certain materials have
been widely used as disinfectants. Yet, to date, the antibacterial
activity of the supported Ag NPs is still far below optimum. This
is mainly associated with the easy aggregation of Ag NPs on the supporting
materials. Herein, an electron-assisted reduction (EAR) method, which
is operated at temperatures as low as room temperature and without
using any reduction reagent, was employed for immobilizing highly
dispersed Ag NPs on aminated-CNTs (Ag/A-CNTs). The average Ag NPs
size on the EAR-prepared Ag/A-CNTs is only 3.8 nm, which is much smaller
than that on the Ag/A-CNTs fabricated from the traditional thermal
calcination (25.5 nm). Compared with Ag/A-CNTs fabricated from traditional
thermal calcination, EAR-prepared Ag/A-CNTs shows a much better antibacterial
activity to <i>E. coli</i>/<i>S. aureus</i> and
antifouling performance to <i>P. subcordiformis</i>/<i>T. lepidoptera</i>. This is mainly originated from the significantly
enhanced Ag<sup>+</sup> ion releasing rate and highly dispersed Ag
NPs with small size on the EAR-prepared Ag/A-CNTs. The findings from
the present work are helpful for fabricating supported Ag NPs with
small size and high dispersion for efficient antibacterial process
Power Conversion Efficiency and Device Stability Improvement of Inverted Perovskite Solar Cells by Using a ZnO:PFN Composite Cathode Buffer Layer
We have demonstrated in this article
that both power conversion efficiency (PCE) and performance stability
of inverted planar heterojunction perovskite solar cells can be improved
by using a ZnO:PFN nanocomposite (PFN: polyÂ[(9,9-bisÂ(3′-(<i>N</i>,<i>N</i>-dimethylamion)Âpropyl)-2,7-fluorene)-<i>alt</i>-2,7-(9,9-dioctyl)-fluorene]) as the cathode buffer layer
(CBL). This nanocomposite could form a compact and defect-less CBL
film on the perovskite/PC<sub>61</sub>BM surface (PC<sub>61</sub>BM:
phenyl-C<sub>61</sub>-butyric acid methyl ester). In addition, the
high conductivity of the nanocomposite layer makes it works well at
a layer thickness of 150 nm. Both advantages of the composite layer
are helpful in reducing interface charge recombination and improving
device performance. The power conversion efficiency (PCE) of the best
ZnO:PFN CBL based device was measured to be 12.76%, which is higher
than that of device without CBL (9.00%), or device with ZnO (7.93%)
or PFN (11.30%) as the cathode buffer layer. In addition, the long-term
stability is improved by using ZnO:PFN composite cathode buffer layer
when compare to that of the reference cells. Almost no degradation
of open circuit voltage (<i>V</i><sub>OC</sub>) and fill
factor (FF) was found for the device having ZnO:PFN, suggesting that
ZnO:PFN is able to stabilize the interface property and consequently
improve the solar cell performance stability