共查询到20条相似文献,搜索用时 0 毫秒
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《Chemistry (Weinheim an der Bergstrasse, Germany)》2003,9(15):3453-3453
The cover picture shows a 96‐well plate illuminated by a UV lamp and viewed through a cutoff filter. All wells contain a Cy3.5‐BHQ1 (reporter quencher) dual‐labeled oligonucleotide probe in buffer. Complementary sequence was added to three columns. The probe is virtually nonfluorescent due to static quenching through formation of an intramolecular dimer. Addition of complement separates the dye and quencher, causing fluorescence. Intramolecular dimers as a new design strategy for fluorescence‐quenched probes is discussed by M. K. Johansson and R. M. Cook in the Concepts article on p. 3466 ff. 相似文献
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Prof. Dr. Ryo Sekiya Yuichiro Uemura Prof. Dr. Hideki Murakami Prof. Dr. Takeharu Haino 《Angewandte Chemie (International ed. in English)》2014,53(22):5619-5623
Graphene quantum dots (GQDs) have received considerable attention for their potential applications in the development of novel optoelectronic materials. In the generation of optoelectronic devices, the development of GQDs that are regulated in terms of their size and dimensions and are unoxidized at the sp2 surfaces is desired. GQDs functionalized with bulky Fréchet’s dendritic wedges at the GQD periphery were synthesized. The single‐layered, size‐regulated structures of the dendronized GQDs were revealed by atomic force microscopy. The edge‐functionalization of the GQDs led to white‐light emission, which is an uncommon feature. 相似文献
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Philipp Zacharias Dr. Malte C. Gather Dr. Anne Köhnen Dr. Nina Rehmann Klaus Meerholz Prof. Dr. 《Angewandte Chemie (International ed. in English)》2009,48(22):3883-3883
Programmable organic light‐emitting diodes: UV irradiation converts an oxetane‐functionalized dithienylethene derivative from its colorless open form into a dark blue closed form, while visible light reverses the reaction. In the Communication on page 4038 ff., K. Meerholz and co‐workers describe a reversibly switchable organic light‐emitting diode based on this principle.
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Cover Picture: Simultaneously Sizing and Quantitating Zeptomole‐Level DNA at High Throughput in Free Solution (Chem. Eur. J. 43/2014) 下载免费PDF全文
Zaifang Zhu Huang Chen Apeng Chen Joann J. Lu Prof. Shaorong Liu Prof. Meiping Zhao 《Chemistry (Weinheim an der Bergstrasse, Germany)》2014,20(43):13817-13817
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