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4. Research on in-situ detection of double-ended clamped beam biosensors.

Author

Wang, Jingjing, Xu, Baozheng, Shi, Libo, Cao, Houyong, Zhu, Longyang, and Wei, Xi

Subjects
*BIOSENSORS, *LIVER cancer, *SILICON nitride, *MANUFACTURING processes, *EARLY detection of cancer, *EARLY diagnosis
Abstract

One of the most frequent malignant tumors seen in clinics is primary liver cancer, also referred to as the "king of cancers." Therefore, the necessity for an effective and precise detection technique is urgent. Compared with the cantilever beam, the double-ended clamped beam has the characteristics of higher resonance frequency and stronger noise immunity, so it has a good application prospect as a biosensor. This paper takes the double-ended clamped beam biosensor as the object and focuses on the method that can be applied to the early diagnosis and detection of liver cancer. The manufacturing process of the double-ended clamped beam and the biofunctional modification of the beam surface were introduced. Meantime, this paper introduces the integration of the composite double-ended clamped beam biosensor system. As a result, a high-sensitivity, high-reliability in situ real-time monitoring technology for early-stage liver cancer is proposed. A composite double-ended clamped beam made of silicon and silicon nitride is used. The size of the double-ended clamped beam is 280 µm × 50µm × 5µm. This paper provides a low-cost, portable, and rapid early diagnosis method for liver cancer, which has very significant application value in the field of early cancer screening. [ABSTRACT FROM AUTHOR]

Published
2023
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5. Improving Comprehensive Management and the Efficiency of Law Enforcement at Sea

Author

Xu Baozheng

Subjects
Jurisdiction, business.industry, Environmental resource management, Law of the sea, Law enforcement, ComputingMilieux_LEGALASPECTSOFCOMPUTING, Legislation, Exclusive economic zone, International law, GeneralLiterature_MISCELLANEOUS, Geography, United Nations Convention on the Law of the Sea, business, Enforcement
Abstract

The ocean impacts a nation's sovereignty, economy, and security. All the following measures play an important role in the ocean management strategies of a nation: Obtaining a clear understanding of the maritime situation; Improving comprehensive maritime management and maritime law-enforcement; and Guarding the ocean space under the national jurisdiction according to the principles of both international and domestic laws. The specific regime of the exclusive economic zone and the continental shelf set forth by UNCLOS has extended the national jurisdiction at sea. Comprehensive management of the ocean needs to target all maritime interests of the nation, through evolving strategies, policies, programs, divisions, legislation, enforcement and administrative supervision to make overall plans, implement, and coordinate management on the space, resources, environment, rights and interests of maritime domain. With ocean exploitation and utilization being aggressively pursued, the technical performance of the assets used in maritime management and law-enforcement should be improved accordingly. Keywords: comprehensive maritime management; international law; maritime law-enforcement; ocean management strategies; sea; UNCLOS

Published
2006
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