Highly sensitive label-free fluorescence determination of lymphotropic virus DNA based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters

Specific and sensitive detection of target DNA plays a significant role in clinical diagnosis and biomedical research. Herein, a sensitive ratio fluorescence biosensor was constructed based on in-situ generation of fluorescent copper nanoclusters (CuNCs) on the DNA modified graphene quantum dots (GQ...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Chen, Junyang [verfasserIn] Wang, Mengke [verfasserIn] Zhou, Xiaobin [verfasserIn] Nie, Yixin [verfasserIn] Su, Xingguang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	Copper nanoclusters Graphene quantum dots GQD-CuNC nanohybrid Ratio fluorescence HTLV-I DNA

Übergeordnetes Werk:	Enthalten in: Sensors and actuators / B - Amsterdam [u.a.] : Elsevier Science, 1990, 326
Übergeordnetes Werk:	volume:326

DOI / URN:	10.1016/j.snb.2020.128847

Katalog-ID:	ELV004898567

Internformat


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024	7		\|a 10.1016/j.snb.2020.128847 \|2 doi
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100	1		\|a Chen, Junyang \|e verfasserin \|4 aut
245	1	0	\|a Highly sensitive label-free fluorescence determination of lymphotropic virus DNA based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters
264		1	\|c 2020
336			\|a nicht spezifiziert \|b zzz \|2 rdacontent
337			\|a Computermedien \|b c \|2 rdamedia
338			\|a Online-Ressource \|b cr \|2 rdacarrier
520			\|a Specific and sensitive detection of target DNA plays a significant role in clinical diagnosis and biomedical research. Herein, a sensitive ratio fluorescence biosensor was constructed based on in-situ generation of fluorescent copper nanoclusters (CuNCs) on the DNA modified graphene quantum dots (GQDs) for the detection of HTLV-I DNA. Firstly, large amount of AT rich single DNA (o-DNA) can be released from the designed hairpin DNA in the presence of trace target DNA via exonuclease III assisted target recycling amplification strategy. Then, the released o-DNA hybridized with the complementary DNA1 which was modified on the surface of GQDs, and the formed hybridized DNA with blunt 3′-hydroxylated terminus that couldn’t be digested by exonuclease I could act as the template for the generation of fluorescent CuNCs. While in the absence of target DNA, the o-DNA couldn’t be released, thus the DNA1 with 3′overhang ends could be degraded by exonuclease I, which resulted in the in-situ generation of fluorescent CuNCs on the surface of GQDs was blocked owing to the lack of DNA template. The GQD fluorescence in the GQD-CuNC nanohybrid was almost uninfluenced during the whole process. Therefore, with the GQD serving as the reference and CuNC acting as the reporter signal, there was an excellent linear relationship between the change of fluorescence intensity ratio (F595/F445) and the concentration of HTLV-I DNA in the range of 20 pM-12 nM with a detection limit of 10 pM. Furthermore, the biosensor exhibited satisfactory results for monitoring the presence of HTLV-I DNA in human serum.
650		4	\|a Copper nanoclusters
650		4	\|a Graphene quantum dots
650		4	\|a GQD-CuNC nanohybrid
650		4	\|a Ratio fluorescence
650		4	\|a HTLV-I DNA
700	1		\|a Wang, Mengke \|e verfasserin \|4 aut
700	1		\|a Zhou, Xiaobin \|e verfasserin \|4 aut
700	1		\|a Nie, Yixin \|e verfasserin \|4 aut
700	1		\|a Su, Xingguang \|e verfasserin \|0 (orcid)0000-0003-3053-4612 \|4 aut
773	0	8	\|i Enthalten in \|t Sensors and actuators <Lausanne> / B \|d Amsterdam [u.a.] : Elsevier Science, 1990 \|g 326 \|h Online-Ressource \|w (DE-627)306710358 \|w (DE-600)1500731-5 \|w (DE-576)082435855 \|x 0925-4005 \|7 nnns
773	1	8	\|g volume:326
912			\|a GBV_USEFLAG_U
912			\|a SYSFLAG_U
912			\|a GBV_ELV
912			\|a SSG-OLC-PHA
912			\|a GBV_ILN_20
912			\|a GBV_ILN_22
912			\|a GBV_ILN_23
912			\|a GBV_ILN_24
912			\|a GBV_ILN_31
912			\|a GBV_ILN_32
912			\|a GBV_ILN_40
912			\|a GBV_ILN_60
912			\|a GBV_ILN_62
912			\|a GBV_ILN_63
912			\|a GBV_ILN_65
912			\|a GBV_ILN_69
912			\|a GBV_ILN_70
912			\|a GBV_ILN_73
912			\|a GBV_ILN_74
912			\|a GBV_ILN_90
912			\|a GBV_ILN_95
912			\|a GBV_ILN_100
912			\|a GBV_ILN_101
912			\|a GBV_ILN_105
912			\|a GBV_ILN_110
912			\|a GBV_ILN_150
912			\|a GBV_ILN_151
912			\|a GBV_ILN_224
912			\|a GBV_ILN_370
912			\|a GBV_ILN_602
912			\|a GBV_ILN_702
912			\|a GBV_ILN_2003
912			\|a GBV_ILN_2004
912			\|a GBV_ILN_2005
912			\|a GBV_ILN_2011
912			\|a GBV_ILN_2014
912			\|a GBV_ILN_2015
912			\|a GBV_ILN_2020
912			\|a GBV_ILN_2021
912			\|a GBV_ILN_2025
912			\|a GBV_ILN_2027
912			\|a GBV_ILN_2034
912			\|a GBV_ILN_2038
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2056
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2065
912			\|a GBV_ILN_2068
912			\|a GBV_ILN_2111
912			\|a GBV_ILN_2112
912			\|a GBV_ILN_2113
912			\|a GBV_ILN_2118
912			\|a GBV_ILN_2122
912			\|a GBV_ILN_2129
912			\|a GBV_ILN_2143
912			\|a GBV_ILN_2147
912			\|a GBV_ILN_2148
912			\|a GBV_ILN_2152
912			\|a GBV_ILN_2153
912			\|a GBV_ILN_2190
912			\|a GBV_ILN_2336
912			\|a GBV_ILN_2507
912			\|a GBV_ILN_2522
912			\|a GBV_ILN_4035
912			\|a GBV_ILN_4037
912			\|a GBV_ILN_4112
912			\|a GBV_ILN_4125
912			\|a GBV_ILN_4126
912			\|a GBV_ILN_4242
912			\|a GBV_ILN_4251
912			\|a GBV_ILN_4305
912			\|a GBV_ILN_4313
912			\|a GBV_ILN_4323
912			\|a GBV_ILN_4324
912			\|a GBV_ILN_4326
912			\|a GBV_ILN_4333
912			\|a GBV_ILN_4334
912			\|a GBV_ILN_4335
912			\|a GBV_ILN_4338
912			\|a GBV_ILN_4393
936	b	k	\|a 50.22 \|j Sensorik
936	b	k	\|a 35.07 \|j Chemisches Labor \|j chemische Methoden
951			\|a AR
952			\|d 326

Indexfelder

author_variant	j c jc m w mw x z xz y n yn x s xs
matchkey_str	article:09254005:2020----::ihyestvlblreloecneeemntoolmhtoivrsnbsdnxncesassetrerccigmlfctoad
hierarchy_sort_str	2020
bklnumber	50.22 35.07
publishDate	2020
allfields	10.1016/j.snb.2020.128847 doi (DE-627)ELV004898567 (ELSEVIER)S0925-4005(20)31194-1 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Chen, Junyang verfasserin aut Highly sensitive label-free fluorescence determination of lymphotropic virus DNA based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Specific and sensitive detection of target DNA plays a significant role in clinical diagnosis and biomedical research. Herein, a sensitive ratio fluorescence biosensor was constructed based on in-situ generation of fluorescent copper nanoclusters (CuNCs) on the DNA modified graphene quantum dots (GQDs) for the detection of HTLV-I DNA. Firstly, large amount of AT rich single DNA (o-DNA) can be released from the designed hairpin DNA in the presence of trace target DNA via exonuclease III assisted target recycling amplification strategy. Then, the released o-DNA hybridized with the complementary DNA1 which was modified on the surface of GQDs, and the formed hybridized DNA with blunt 3′-hydroxylated terminus that couldn’t be digested by exonuclease I could act as the template for the generation of fluorescent CuNCs. While in the absence of target DNA, the o-DNA couldn’t be released, thus the DNA1 with 3′overhang ends could be degraded by exonuclease I, which resulted in the in-situ generation of fluorescent CuNCs on the surface of GQDs was blocked owing to the lack of DNA template. The GQD fluorescence in the GQD-CuNC nanohybrid was almost uninfluenced during the whole process. Therefore, with the GQD serving as the reference and CuNC acting as the reporter signal, there was an excellent linear relationship between the change of fluorescence intensity ratio (F595/F445) and the concentration of HTLV-I DNA in the range of 20 pM-12 nM with a detection limit of 10 pM. Furthermore, the biosensor exhibited satisfactory results for monitoring the presence of HTLV-I DNA in human serum. Copper nanoclusters Graphene quantum dots GQD-CuNC nanohybrid Ratio fluorescence HTLV-I DNA Wang, Mengke verfasserin aut Zhou, Xiaobin verfasserin aut Nie, Yixin verfasserin aut Su, Xingguang verfasserin (orcid)0000-0003-3053-4612 aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 326 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:326 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 326
spelling	10.1016/j.snb.2020.128847 doi (DE-627)ELV004898567 (ELSEVIER)S0925-4005(20)31194-1 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Chen, Junyang verfasserin aut Highly sensitive label-free fluorescence determination of lymphotropic virus DNA based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Specific and sensitive detection of target DNA plays a significant role in clinical diagnosis and biomedical research. Herein, a sensitive ratio fluorescence biosensor was constructed based on in-situ generation of fluorescent copper nanoclusters (CuNCs) on the DNA modified graphene quantum dots (GQDs) for the detection of HTLV-I DNA. Firstly, large amount of AT rich single DNA (o-DNA) can be released from the designed hairpin DNA in the presence of trace target DNA via exonuclease III assisted target recycling amplification strategy. Then, the released o-DNA hybridized with the complementary DNA1 which was modified on the surface of GQDs, and the formed hybridized DNA with blunt 3′-hydroxylated terminus that couldn’t be digested by exonuclease I could act as the template for the generation of fluorescent CuNCs. While in the absence of target DNA, the o-DNA couldn’t be released, thus the DNA1 with 3′overhang ends could be degraded by exonuclease I, which resulted in the in-situ generation of fluorescent CuNCs on the surface of GQDs was blocked owing to the lack of DNA template. The GQD fluorescence in the GQD-CuNC nanohybrid was almost uninfluenced during the whole process. Therefore, with the GQD serving as the reference and CuNC acting as the reporter signal, there was an excellent linear relationship between the change of fluorescence intensity ratio (F595/F445) and the concentration of HTLV-I DNA in the range of 20 pM-12 nM with a detection limit of 10 pM. Furthermore, the biosensor exhibited satisfactory results for monitoring the presence of HTLV-I DNA in human serum. Copper nanoclusters Graphene quantum dots GQD-CuNC nanohybrid Ratio fluorescence HTLV-I DNA Wang, Mengke verfasserin aut Zhou, Xiaobin verfasserin aut Nie, Yixin verfasserin aut Su, Xingguang verfasserin (orcid)0000-0003-3053-4612 aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 326 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:326 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 326
allfields_unstemmed	10.1016/j.snb.2020.128847 doi (DE-627)ELV004898567 (ELSEVIER)S0925-4005(20)31194-1 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Chen, Junyang verfasserin aut Highly sensitive label-free fluorescence determination of lymphotropic virus DNA based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Specific and sensitive detection of target DNA plays a significant role in clinical diagnosis and biomedical research. Herein, a sensitive ratio fluorescence biosensor was constructed based on in-situ generation of fluorescent copper nanoclusters (CuNCs) on the DNA modified graphene quantum dots (GQDs) for the detection of HTLV-I DNA. Firstly, large amount of AT rich single DNA (o-DNA) can be released from the designed hairpin DNA in the presence of trace target DNA via exonuclease III assisted target recycling amplification strategy. Then, the released o-DNA hybridized with the complementary DNA1 which was modified on the surface of GQDs, and the formed hybridized DNA with blunt 3′-hydroxylated terminus that couldn’t be digested by exonuclease I could act as the template for the generation of fluorescent CuNCs. While in the absence of target DNA, the o-DNA couldn’t be released, thus the DNA1 with 3′overhang ends could be degraded by exonuclease I, which resulted in the in-situ generation of fluorescent CuNCs on the surface of GQDs was blocked owing to the lack of DNA template. The GQD fluorescence in the GQD-CuNC nanohybrid was almost uninfluenced during the whole process. Therefore, with the GQD serving as the reference and CuNC acting as the reporter signal, there was an excellent linear relationship between the change of fluorescence intensity ratio (F595/F445) and the concentration of HTLV-I DNA in the range of 20 pM-12 nM with a detection limit of 10 pM. Furthermore, the biosensor exhibited satisfactory results for monitoring the presence of HTLV-I DNA in human serum. Copper nanoclusters Graphene quantum dots GQD-CuNC nanohybrid Ratio fluorescence HTLV-I DNA Wang, Mengke verfasserin aut Zhou, Xiaobin verfasserin aut Nie, Yixin verfasserin aut Su, Xingguang verfasserin (orcid)0000-0003-3053-4612 aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 326 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:326 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 326
allfieldsGer	10.1016/j.snb.2020.128847 doi (DE-627)ELV004898567 (ELSEVIER)S0925-4005(20)31194-1 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Chen, Junyang verfasserin aut Highly sensitive label-free fluorescence determination of lymphotropic virus DNA based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Specific and sensitive detection of target DNA plays a significant role in clinical diagnosis and biomedical research. Herein, a sensitive ratio fluorescence biosensor was constructed based on in-situ generation of fluorescent copper nanoclusters (CuNCs) on the DNA modified graphene quantum dots (GQDs) for the detection of HTLV-I DNA. Firstly, large amount of AT rich single DNA (o-DNA) can be released from the designed hairpin DNA in the presence of trace target DNA via exonuclease III assisted target recycling amplification strategy. Then, the released o-DNA hybridized with the complementary DNA1 which was modified on the surface of GQDs, and the formed hybridized DNA with blunt 3′-hydroxylated terminus that couldn’t be digested by exonuclease I could act as the template for the generation of fluorescent CuNCs. While in the absence of target DNA, the o-DNA couldn’t be released, thus the DNA1 with 3′overhang ends could be degraded by exonuclease I, which resulted in the in-situ generation of fluorescent CuNCs on the surface of GQDs was blocked owing to the lack of DNA template. The GQD fluorescence in the GQD-CuNC nanohybrid was almost uninfluenced during the whole process. Therefore, with the GQD serving as the reference and CuNC acting as the reporter signal, there was an excellent linear relationship between the change of fluorescence intensity ratio (F595/F445) and the concentration of HTLV-I DNA in the range of 20 pM-12 nM with a detection limit of 10 pM. Furthermore, the biosensor exhibited satisfactory results for monitoring the presence of HTLV-I DNA in human serum. Copper nanoclusters Graphene quantum dots GQD-CuNC nanohybrid Ratio fluorescence HTLV-I DNA Wang, Mengke verfasserin aut Zhou, Xiaobin verfasserin aut Nie, Yixin verfasserin aut Su, Xingguang verfasserin (orcid)0000-0003-3053-4612 aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 326 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:326 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 326
allfieldsSound	10.1016/j.snb.2020.128847 doi (DE-627)ELV004898567 (ELSEVIER)S0925-4005(20)31194-1 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Chen, Junyang verfasserin aut Highly sensitive label-free fluorescence determination of lymphotropic virus DNA based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Specific and sensitive detection of target DNA plays a significant role in clinical diagnosis and biomedical research. Herein, a sensitive ratio fluorescence biosensor was constructed based on in-situ generation of fluorescent copper nanoclusters (CuNCs) on the DNA modified graphene quantum dots (GQDs) for the detection of HTLV-I DNA. Firstly, large amount of AT rich single DNA (o-DNA) can be released from the designed hairpin DNA in the presence of trace target DNA via exonuclease III assisted target recycling amplification strategy. Then, the released o-DNA hybridized with the complementary DNA1 which was modified on the surface of GQDs, and the formed hybridized DNA with blunt 3′-hydroxylated terminus that couldn’t be digested by exonuclease I could act as the template for the generation of fluorescent CuNCs. While in the absence of target DNA, the o-DNA couldn’t be released, thus the DNA1 with 3′overhang ends could be degraded by exonuclease I, which resulted in the in-situ generation of fluorescent CuNCs on the surface of GQDs was blocked owing to the lack of DNA template. The GQD fluorescence in the GQD-CuNC nanohybrid was almost uninfluenced during the whole process. Therefore, with the GQD serving as the reference and CuNC acting as the reporter signal, there was an excellent linear relationship between the change of fluorescence intensity ratio (F595/F445) and the concentration of HTLV-I DNA in the range of 20 pM-12 nM with a detection limit of 10 pM. Furthermore, the biosensor exhibited satisfactory results for monitoring the presence of HTLV-I DNA in human serum. Copper nanoclusters Graphene quantum dots GQD-CuNC nanohybrid Ratio fluorescence HTLV-I DNA Wang, Mengke verfasserin aut Zhou, Xiaobin verfasserin aut Nie, Yixin verfasserin aut Su, Xingguang verfasserin (orcid)0000-0003-3053-4612 aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 326 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:326 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 326
language	English
source	Enthalten in Sensors and actuators <Lausanne> / B 326 volume:326
sourceStr	Enthalten in Sensors and actuators <Lausanne> / B 326 volume:326
format_phy_str_mv	Article
bklname	Sensorik Chemisches Labor chemische Methoden
institution	findex.gbv.de
topic_facet	Copper nanoclusters Graphene quantum dots GQD-CuNC nanohybrid Ratio fluorescence HTLV-I DNA
dewey-raw	530
isfreeaccess_bool	false
container_title	Sensors and actuators <Lausanne> / B
authorswithroles_txt_mv	Chen, Junyang @@aut@@ Wang, Mengke @@aut@@ Zhou, Xiaobin @@aut@@ Nie, Yixin @@aut@@ Su, Xingguang @@aut@@
publishDateDaySort_date	2020-01-01T00:00:00Z
hierarchy_top_id	306710358
dewey-sort	3530
id	ELV004898567
language_de	englisch
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author	Chen, Junyang
spellingShingle	Chen, Junyang ddc 530 bkl 50.22 bkl 35.07 misc Copper nanoclusters misc Graphene quantum dots misc GQD-CuNC nanohybrid misc Ratio fluorescence misc HTLV-I DNA Highly sensitive label-free fluorescence determination of lymphotropic virus DNA based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters
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topic_title	530 620 DE-600 50.22 bkl 35.07 bkl Highly sensitive label-free fluorescence determination of lymphotropic virus DNA based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters Copper nanoclusters Graphene quantum dots GQD-CuNC nanohybrid Ratio fluorescence HTLV-I DNA
topic	ddc 530 bkl 50.22 bkl 35.07 misc Copper nanoclusters misc Graphene quantum dots misc GQD-CuNC nanohybrid misc Ratio fluorescence misc HTLV-I DNA
topic_unstemmed	ddc 530 bkl 50.22 bkl 35.07 misc Copper nanoclusters misc Graphene quantum dots misc GQD-CuNC nanohybrid misc Ratio fluorescence misc HTLV-I DNA
topic_browse	ddc 530 bkl 50.22 bkl 35.07 misc Copper nanoclusters misc Graphene quantum dots misc GQD-CuNC nanohybrid misc Ratio fluorescence misc HTLV-I DNA
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title	Highly sensitive label-free fluorescence determination of lymphotropic virus DNA based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters
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title_full	Highly sensitive label-free fluorescence determination of lymphotropic virus DNA based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters
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author_browse	Chen, Junyang Wang, Mengke Zhou, Xiaobin Nie, Yixin Su, Xingguang
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title_sort	highly sensitive label-free fluorescence determination of lymphotropic virus dna based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters
title_auth	Highly sensitive label-free fluorescence determination of lymphotropic virus DNA based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters
abstract	Specific and sensitive detection of target DNA plays a significant role in clinical diagnosis and biomedical research. Herein, a sensitive ratio fluorescence biosensor was constructed based on in-situ generation of fluorescent copper nanoclusters (CuNCs) on the DNA modified graphene quantum dots (GQDs) for the detection of HTLV-I DNA. Firstly, large amount of AT rich single DNA (o-DNA) can be released from the designed hairpin DNA in the presence of trace target DNA via exonuclease III assisted target recycling amplification strategy. Then, the released o-DNA hybridized with the complementary DNA1 which was modified on the surface of GQDs, and the formed hybridized DNA with blunt 3′-hydroxylated terminus that couldn’t be digested by exonuclease I could act as the template for the generation of fluorescent CuNCs. While in the absence of target DNA, the o-DNA couldn’t be released, thus the DNA1 with 3′overhang ends could be degraded by exonuclease I, which resulted in the in-situ generation of fluorescent CuNCs on the surface of GQDs was blocked owing to the lack of DNA template. The GQD fluorescence in the GQD-CuNC nanohybrid was almost uninfluenced during the whole process. Therefore, with the GQD serving as the reference and CuNC acting as the reporter signal, there was an excellent linear relationship between the change of fluorescence intensity ratio (F595/F445) and the concentration of HTLV-I DNA in the range of 20 pM-12 nM with a detection limit of 10 pM. Furthermore, the biosensor exhibited satisfactory results for monitoring the presence of HTLV-I DNA in human serum.
abstractGer	Specific and sensitive detection of target DNA plays a significant role in clinical diagnosis and biomedical research. Herein, a sensitive ratio fluorescence biosensor was constructed based on in-situ generation of fluorescent copper nanoclusters (CuNCs) on the DNA modified graphene quantum dots (GQDs) for the detection of HTLV-I DNA. Firstly, large amount of AT rich single DNA (o-DNA) can be released from the designed hairpin DNA in the presence of trace target DNA via exonuclease III assisted target recycling amplification strategy. Then, the released o-DNA hybridized with the complementary DNA1 which was modified on the surface of GQDs, and the formed hybridized DNA with blunt 3′-hydroxylated terminus that couldn’t be digested by exonuclease I could act as the template for the generation of fluorescent CuNCs. While in the absence of target DNA, the o-DNA couldn’t be released, thus the DNA1 with 3′overhang ends could be degraded by exonuclease I, which resulted in the in-situ generation of fluorescent CuNCs on the surface of GQDs was blocked owing to the lack of DNA template. The GQD fluorescence in the GQD-CuNC nanohybrid was almost uninfluenced during the whole process. Therefore, with the GQD serving as the reference and CuNC acting as the reporter signal, there was an excellent linear relationship between the change of fluorescence intensity ratio (F595/F445) and the concentration of HTLV-I DNA in the range of 20 pM-12 nM with a detection limit of 10 pM. Furthermore, the biosensor exhibited satisfactory results for monitoring the presence of HTLV-I DNA in human serum.
abstract_unstemmed	Specific and sensitive detection of target DNA plays a significant role in clinical diagnosis and biomedical research. Herein, a sensitive ratio fluorescence biosensor was constructed based on in-situ generation of fluorescent copper nanoclusters (CuNCs) on the DNA modified graphene quantum dots (GQDs) for the detection of HTLV-I DNA. Firstly, large amount of AT rich single DNA (o-DNA) can be released from the designed hairpin DNA in the presence of trace target DNA via exonuclease III assisted target recycling amplification strategy. Then, the released o-DNA hybridized with the complementary DNA1 which was modified on the surface of GQDs, and the formed hybridized DNA with blunt 3′-hydroxylated terminus that couldn’t be digested by exonuclease I could act as the template for the generation of fluorescent CuNCs. While in the absence of target DNA, the o-DNA couldn’t be released, thus the DNA1 with 3′overhang ends could be degraded by exonuclease I, which resulted in the in-situ generation of fluorescent CuNCs on the surface of GQDs was blocked owing to the lack of DNA template. The GQD fluorescence in the GQD-CuNC nanohybrid was almost uninfluenced during the whole process. Therefore, with the GQD serving as the reference and CuNC acting as the reporter signal, there was an excellent linear relationship between the change of fluorescence intensity ratio (F595/F445) and the concentration of HTLV-I DNA in the range of 20 pM-12 nM with a detection limit of 10 pM. Furthermore, the biosensor exhibited satisfactory results for monitoring the presence of HTLV-I DNA in human serum.
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title_short	Highly sensitive label-free fluorescence determination of lymphotropic virus DNA based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters
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author2	Wang, Mengke Zhou, Xiaobin Nie, Yixin Su, Xingguang
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up_date	2024-07-07T00:30:42.629Z
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Highly sensitive label-free fluorescence determination of lymphotropic virus DNA based on exonuclease assisted target recycling amplification and in-situ generation of fluorescent copper nanoclusters

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