Neutral atomic tweezer arrays have become a promising platform for quantum computation,which possess rich degrees of freedom(DoFs)as an important resource for encoding quantum information.We explore the DoF quantum re...Neutral atomic tweezer arrays have become a promising platform for quantum computation,which possess rich degrees of freedom(DoFs)as an important resource for encoding quantum information.We explore the DoF quantum resource in a ladder-shaped atomic tweezer array and propose a scheme of high-dimensional universal quantum computation.This scheme encodes qubits to two degrees of freedom of a single atom,namely the motional(Mo)and the site-occupation(SO)DoFs,which allows one atom to carry two qubits and results in a two-layer qubit architecture.The single-qubit rotational gates on Mo-and SO-qubits,as well as the intra-and inter-DoF Controlled-NOT(CNOT)gates are designed,and the crosstalk between qubits encoded with different DoFs is particularly addressed and compensated by the strategy composed of the detuning engineering and multi-chromatic Hamiltonian modulation.Quantum circuits are assembled from these gates in the ladder-shaped atomic array,generating the hyper and hyper-hybrid entangled states between the Mo and SO DoFs.Our work paves the way for high-dimensional quantum computation with multiple DoFs.展开更多
In recent years,the prevalence of food allergies has steadily risen.For rapid detection of soybean and wheat allergen components in allergenic products,this study aimed to establish a rapid analysis method based on la...In recent years,the prevalence of food allergies has steadily risen.For rapid detection of soybean and wheat allergen components in allergenic products,this study aimed to establish a rapid analysis method based on ladder-shape melting temperature isothermal amplification(LMTIA)combined with proofreading enzyme-mediated probe cleavage(Proofman).The specific primers together with the Proofman Probe were to be designed for the soybean Lectin gene and wheat GAG56D gene sequences.The temperature of the duplex Proofman-LMTIA reaction was to be optimized,the specificity was to be determined,the sensitivity and detection limit were to be tested,and the efficacy of the duplex Proofman-LMTIA method was to be assessed with the commercial products as well as by comparison with the standard LAMP method.The duplex Proofman-LMTIA method achieved the amplification within 30 min at an optimal temperature of 62℃,the specificity had been validated by five other species,the sensitivity was 10 pg/μL soybean or wheat genomic DNA,and the detection limit was 5%of the allergenic soybean(or wheat)in non-allergenic soybean(or wheat).In addition,the results of nine types of commodities tested with the established duplex Proofman-LMTIA method were consistent with the allergy labels on the products,while the standard LAMP method had the false-positive results.The LMTIA approach can be effective for the rapid and precise identification of soybean and wheat allergen components in allergenic goods,and the practical application of this method will facilitate the market supervision.展开更多
基金supported by the Key Research and Development Program of China(Grants No.2022YFA1404102,No.2022YFC3003802 and No.2021YFB3900204)the Research Project of Hubei Education Department(Grants No.B2023077)the Doctoral Scientific Research Foundation of Hubei University of Automotive Technology(Grants No.BK202432).
文摘Neutral atomic tweezer arrays have become a promising platform for quantum computation,which possess rich degrees of freedom(DoFs)as an important resource for encoding quantum information.We explore the DoF quantum resource in a ladder-shaped atomic tweezer array and propose a scheme of high-dimensional universal quantum computation.This scheme encodes qubits to two degrees of freedom of a single atom,namely the motional(Mo)and the site-occupation(SO)DoFs,which allows one atom to carry two qubits and results in a two-layer qubit architecture.The single-qubit rotational gates on Mo-and SO-qubits,as well as the intra-and inter-DoF Controlled-NOT(CNOT)gates are designed,and the crosstalk between qubits encoded with different DoFs is particularly addressed and compensated by the strategy composed of the detuning engineering and multi-chromatic Hamiltonian modulation.Quantum circuits are assembled from these gates in the ladder-shaped atomic array,generating the hyper and hyper-hybrid entangled states between the Mo and SO DoFs.Our work paves the way for high-dimensional quantum computation with multiple DoFs.
基金supported by the National Natural Science Foundation of China(Grant No.32172300)the Technology Project of Henan Province(Grant No.242102321128)+1 种基金the Central Government Guides the Local Science and Technology Development Special Fund(Nos:Z20231811102)as well as Henan Province University Science and Technology Innovation Talent Project(Grant No.23HASTIT048).
文摘In recent years,the prevalence of food allergies has steadily risen.For rapid detection of soybean and wheat allergen components in allergenic products,this study aimed to establish a rapid analysis method based on ladder-shape melting temperature isothermal amplification(LMTIA)combined with proofreading enzyme-mediated probe cleavage(Proofman).The specific primers together with the Proofman Probe were to be designed for the soybean Lectin gene and wheat GAG56D gene sequences.The temperature of the duplex Proofman-LMTIA reaction was to be optimized,the specificity was to be determined,the sensitivity and detection limit were to be tested,and the efficacy of the duplex Proofman-LMTIA method was to be assessed with the commercial products as well as by comparison with the standard LAMP method.The duplex Proofman-LMTIA method achieved the amplification within 30 min at an optimal temperature of 62℃,the specificity had been validated by five other species,the sensitivity was 10 pg/μL soybean or wheat genomic DNA,and the detection limit was 5%of the allergenic soybean(or wheat)in non-allergenic soybean(or wheat).In addition,the results of nine types of commodities tested with the established duplex Proofman-LMTIA method were consistent with the allergy labels on the products,while the standard LAMP method had the false-positive results.The LMTIA approach can be effective for the rapid and precise identification of soybean and wheat allergen components in allergenic goods,and the practical application of this method will facilitate the market supervision.
