Zhufeng Zhang
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View article: The properties of the $S$-wave $D_s\bar{D}_s$ bound state
The properties of the $S$-wave $D_s\bar{D}_s$ bound state Open
In this work, we investigate possible bound states of the $D_s\bar{D}_s$ system using the Bethe-Salpeter formalism in both the ladder and instantaneous approximations. By numerically solving the Bethe-Salpeter equation with a kernel that i…
View article: Stroke nurse-led intravenous thrombolytic therapy strategy for ischemic stroke based on timeline process: A quality improvement program from China
Stroke nurse-led intravenous thrombolytic therapy strategy for ischemic stroke based on timeline process: A quality improvement program from China Open
Optimizing IVT therapy for ischemic stroke is a feasible approach to limit the DNT to 30 min in ischemic stroke, significantly reducing delays within the therapeutic window and increasing the number of patients meeting target time segments…
View article: The effectiveness of a modified Manchester Triage System for geriatric patients: A retrospective quantitative study
The effectiveness of a modified Manchester Triage System for geriatric patients: A retrospective quantitative study Open
Aim Geriatric patients are increasingly dominating the daily routine in emergency department (ED). The atypical clinical presentation of disease, multimorbidity, frailty and cognitive impairment of geriatric patients pose particular challe…
View article: Interlayer angle dependence of photoelectric properties of Sb/SnC van der Waals heterojunction and its application
Interlayer angle dependence of photoelectric properties of Sb/SnC van der Waals heterojunction and its application Open
The discovery of novel properties in twisted bilayer graphene has opened up new avenues of research in physics and materials science, making the twistronics a new research hotspot. In this paper, based on two-dimensional tin-based material…
View article: Effect of multidisciplinary refined time management combined with organized stroke management on the efficacy of intravenous thrombolysis in patients with acute ischemic stroke
Effect of multidisciplinary refined time management combined with organized stroke management on the efficacy of intravenous thrombolysis in patients with acute ischemic stroke Open
This study aims to investigate the effects of multidisciplinary refined time management combined with organized stroke management in intravenous thrombolysis on patients with acute ischemic stroke. 226 acute ischemic stroke patients treate…
View article: Effect of Early Rehabilitation Nursing on Patients with Myocardial Infarction: A Meta-analysis
Effect of Early Rehabilitation Nursing on Patients with Myocardial Infarction: A Meta-analysis Open
Objectives: In this study, we systematically evaluated the effectiveness and safety of rehabilitation nursing in the treatment of patients with acute myocardial infarction (AMI), and its effect on improving the cardiac function and exercis…
View article: The properties of the $S$-wave $D_s\bar{D}_s$ bound state
The properties of the $S$-wave $D_s\bar{D}_s$ bound state Open
In this work, we investigate possible bound states of the $D_s\bar{D}_s$ system in the Bethe-Salpeter formalism in the ladder and instantaneous approximations. By numerically solving the Bethe-Salpeter equation with a kernel that includes …
View article: Investigating S-wave bound states composed of two pseudoscalar mesons*
Investigating S-wave bound states composed of two pseudoscalar mesons* Open
In this study, we systematically investigated two-pseudoscalar meson systems with the Bethe-Salpeter equation in the ladder and instantaneous approximations. By solving the Bethe-Salpeter equation numerically with the kernel containing the…
View article: DNA Motifs and an Accessory CRISPR Factor Determine Cas1 Binding and Integration Activity in Sulfolobus islandicus
DNA Motifs and an Accessory CRISPR Factor Determine Cas1 Binding and Integration Activity in Sulfolobus islandicus Open
CRISPR-Cas systems empower prokaryotes with adaptive immunity against invasive mobile genetic elements. At the first step of CRISPR immunity adaptation, short DNA fragments from the invaders are integrated into CRISPR arrays at the leader-…
View article: Investigating $S$-wave bound states composed of two pseudoscalar mesons
Investigating $S$-wave bound states composed of two pseudoscalar mesons Open
In this work, we systematically investigate the two-pseudoscalar meson systems with the Bethe-Salpeter equation in the ladder and instantaneous approximations. By solving the Bethe-Salpeter equation numerically with the kernel containing t…
View article: Bacterial and Archaeal Water and Sediment Communities of Two Hot Spring Streams in Tengchong, Yunnan Province, China
Bacterial and Archaeal Water and Sediment Communities of Two Hot Spring Streams in Tengchong, Yunnan Province, China Open
In Tengchong County, springs with wide physicochemical diversity provide a multitude of niches for extremophilic microorganisms. In this study, eight middle-low temperature spring sites along two continuous small streams with low water flo…
View article: Mixing of X and Y states from QCD sum rules analysis *
Mixing of X and Y states from QCD sum rules analysis * Open
We study and states as mixed states in QCD sum rules. By calculating the two-point correlation functions of pure states of their corresponding currents, we review the mass and c…
View article: The application of pre-hospital first aid mode in patients with acute stroke: meta-analysis
The application of pre-hospital first aid mode in patients with acute stroke: meta-analysis Open
To systematically evaluate the application effect of pre-hospital and in-hospital emergency mode in patients with acute stroke. The study was conducted by systematic search of Chinese (CNKI, Wanfang and VIP) and English (PubMed, EMBASE and…
View article: Successful Application of Extracorporeal Membrane Oxygenation in an Acute Tonsillitis Patient Complicated with Acute Respiratory Distress Syndrome: A Case Report
Successful Application of Extracorporeal Membrane Oxygenation in an Acute Tonsillitis Patient Complicated with Acute Respiratory Distress Syndrome: A Case Report Open
Cases of acute tonsillitis, a common disease in the emergency department, are mostly mild and those complicated by severe pneumonia and acute respiratory distress syndrome are rarely reported.
View article: Studying the $${\bar{D}}_1K$$ molecule in the Bethe–Salpeter equation approach
Studying the $${\bar{D}}_1K$$ molecule in the Bethe–Salpeter equation approach Open
We interpret the $$X_1(2900)$$ as an S -wave $${\bar{D}}_1K$$ molecular state in the Bethe–Salpeter equation approach with the ladder and instantaneous approximations for the kernel. By solving the Bethe–Salpeter equatio…
View article: Mixing of X and Y molecular states from QCD Sum Rules analysis
Mixing of X and Y molecular states from QCD Sum Rules analysis Open
We study $\bar{Q}Q\bar{q}q$ and $\bar{Q}qQ\bar{q}$ molecular states as mixed states in QCD sum rules. By calculating the two-point correlation functions of pure states of their corresponding currents, we review the mass and coupling consta…
View article: Phenomenological studies on decay *
Phenomenological studies on decay * Open
Within the quasi-two-body decay model, we study the localized CP violation and branching fraction of the four-body decay when the and pair invariant masses are and , with the pairs being dominated by the , , , and , and , , and resonances,…
View article: Preparation and magnetic properties of chromium doped zinc sulfide and cadmium sulfide nanostructures by solvothermal method
Preparation and magnetic properties of chromium doped zinc sulfide and cadmium sulfide nanostructures by solvothermal method Open
With the continuous development of nanotechnology, people have higher and higher requirements for the performances of nanomaterials. In the past few decades, researchers have used various methods to prepare nanomaterials with different dop…
View article: Clinical study on a skin stretching technique with adjustable external fixators to treat skin defects
Clinical study on a skin stretching technique with adjustable external fixators to treat skin defects Open
The aim of this study was to determine the effectiveness of a skin stretching technique with adjustable external fixators in treating skin defects. Eighteen patients treated with a skin-stretching technique with adjustable external fixator…
View article: CRISPR-Associated Factor Csa3b Regulates CRISPR Adaptation and Cmr-Mediated RNA Interference in Sulfolobus islandicus
CRISPR-Associated Factor Csa3b Regulates CRISPR Adaptation and Cmr-Mediated RNA Interference in Sulfolobus islandicus Open
Acquisition of spacers confers the CRISPR-Cas system with the memory to defend against invading mobile genetic elements. We previously reported that the CRISPR-associated factor Csa3a triggers CRISPR adaptation in Sulfolobus islandicus<…
View article: Phenomenological studies on the $\\bar{B}^0\\rightarrow\n [K^-\\pi^+]_{S/V}[\\pi^+\\pi^-]_{V/S} \\rightarrow K^-\\pi^+\\pi^+\\pi^-$ decay
Phenomenological studies on the $\\bar{B}^0\\rightarrow\n [K^-\\pi^+]_{S/V}[\\pi^+\\pi^-]_{V/S} \\rightarrow K^-\\pi^+\\pi^+\\pi^-$ decay Open
Within the quasi-two-body decay model, we study the localized $CP$ violation\nand branching fraction of the four-body decay $\\bar{B}^0\\rightarrow\n[K^-\\pi^+]_{S/V}[\\pi^+\\pi^-]_{V/S} \\rightarrow K^-\\pi^+\\pi^-\\pi^+$ when\n$K^-\\pi^+…
View article: Vector and scalar mesons’ mixing from QCD sum rules
Vector and scalar mesons’ mixing from QCD sum rules Open
A bstract We study $$ \overline{q} $$ q -hybrid mixing for the light vector mesons and $$ \overline{q} $$ q -glueball mixing for the light scalar mesons in Monte-Carlo based QCD Laplace sum rules. By calculating the two-point corre…
View article: Primed acquisition and microhomology-mediated end-joining cooperate to confer specific CRISPR immunity against invasive genetic elements
Primed acquisition and microhomology-mediated end-joining cooperate to confer specific CRISPR immunity against invasive genetic elements Open
CRISPR-Cas systems provide archaea and bacteria with adaptive immunity against invasive genetic elements through acquisition of invader-derived spacers. De novo spacer acquisition generally adapts spacers from both invaders and hosts with …
View article: Cas4 Nucleases Can Effect Specific Integration of CRISPR Spacers
Cas4 Nucleases Can Effect Specific Integration of CRISPR Spacers Open
The Cas4 family endonuclease is an essential component of the adaptation module in many variants of CRISPR-Cas adaptive immunity systems. The Crenarchaeota Sulfolobus islandicus REY15A carries two cas4 genes ( cas4 and csa1 ) linked to the…
View article: Exotic tetraquark states with <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>J</mml:mi><mml:mrow><mml:mi>P</mml:mi><mml:mi>C</mml:mi></mml:mrow></mml:msup><mml:mo>=</mml:mo><mml:msup><mml:mn>0</mml:mn><mml:mrow><mml:mo>+</mml:mo><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:math>
Exotic tetraquark states with Open
We use the Laplace/Borel sum rules (LSR) and the finite energy/local duality sum rules (FESR) to investigate the non-strange $ud\bar u\bar d$ and hidden-strange $us\bar u\bar s$ tetraquark states with exotic quantum numbers $J^{PC}=0^{+-}$…
View article: Cas4 nucleases can effect specific integration of CRISPR spacers
Cas4 nucleases can effect specific integration of CRISPR spacers Open
CRISPR-Cas systems incorporate short DNA fragments from invasive genetic elements into host CRISPR arrays in order to generate host immunity.Recently, we demonstrated that the Csa3a regulator protein triggers CCN PAM-dependent CRISPR space…
View article: Diversity and Contributions to Nitrogen Cycling and Carbon Fixation of Soil Salinity Shaped Microbial Communities in Tarim Basin
Diversity and Contributions to Nitrogen Cycling and Carbon Fixation of Soil Salinity Shaped Microbial Communities in Tarim Basin Open
Arid and semi-arid regions comprise nearly one-fifth of the earth's terrestrial surface. However, the diversities and functions of their soil microbial communities are not well understood, despite microbial ecological importance in driving…
View article: The Mass and Decay Properties of the $1^{-+}$ Light Hybrid Meson
The Mass and Decay Properties of the $1^{-+}$ Light Hybrid Meson Open
We calculate the complete form of the dimension-8 condensate contributions in the two-point correlator of the ($1^{-+}$,$0^{++}$) light hybrid current considering the operator mixing under renormalization. We find the inclusion these highe…
View article: Constraint on the light quark mass <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>m</mml:mi><mml:mi>q</mml:mi></mml:msub></mml:math> from QCD sum rules in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>I</mml:mi><mml:mo>=</mml:mo><mml:mn>0</mml:mn></mml:math> scalar channel
Constraint on the light quark mass from QCD sum rules in the scalar channel Open
In this paper, we reanalyze the $I=0$ scalar channel with the improved\nMonte-Carlo based QCD sum rules, which combines the rigorous\nH\\"older-inequality-determined sum rule window and a two Breit-Wigner type\nresonances parametrization f…
View article: Investigation of the light four-quark states with exotic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>J</mml:mi><mml:mrow><mml:mi>P</mml:mi><mml:mi>C</mml:mi></mml:mrow></mml:msup><mml:mo>=</mml:mo><mml:msup><mml:mn>0</mml:mn><mml:mrow><mml:mo>−</mml:mo><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:math>
Investigation of the light four-quark states with exotic Open
We study the exotic $J^{PC}=0^{--}$ four-quark states in Laplace sum rules\n(LSR) and finite energy sum rules (FESR). We use the vector tetraquark-like\ncurrents as interpolating currents in the correlator, from which the $1^{+-}$\nstates …