An electrochemical aptasensor for detection of prostate‐specific antigen‐based on carbon quantum dots‐gold nanoparticles
Sign Up to like & getrecommendations! Published in 2022 at "Biotechnology and Applied Biochemistry"
DOI: 10.1002/bab.2340
Abstract: In this work, an electrochemical aptasensor was described for the determination of prostate‐specific antigen (PSA). Aptamer chains were decorated on the surface of a glassy carbon electrode (GCE) via carbon quantum dots/Au nanoparticles (Au/CQD). Structural… read more here.
Keywords: aptasensor; prostate specific; carbon; specific antigen ... See more keywords
Highly sensitive colorimetric aptasensor for 17β-estradiol detection in milk based on the repetitive-loop aptamer.
Sign Up to like & getrecommendations! Published in 2023 at "Biotechnology and applied biochemistry"
DOI: 10.1002/bab.2447
Abstract: Trace of 17β-estradiol (E2) contamination in food has been a concern for its negative impacts on human health, leading to the need for an E2 monitoring system. This work reported a new simple, sensitive, and… read more here.
Keywords: sensitive colorimetric; aptasensor; detection; milk ... See more keywords
An aptasensor for rapid and sensitive detection of estrogen receptor alpha in human breast cancer.
Sign Up to like & getrecommendations! Published in 2019 at "Biotechnology and bioengineering"
DOI: 10.1002/bit.26819
Abstract: The analysis of estrogen receptor (ER) expression in breast carcinomas plays a crucial role in determining the endocrine responsiveness of tumors for systemic adjuvant therapy. Conventionally, the ER levels in breast carcinomas had been detected… read more here.
Keywords: human breast; detection; breast; aptasensor ... See more keywords
Click and Detect: Versatile Ampicillin Aptasensor Enabled by Click Chemistry on a Graphene-Alkyne Derivative.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202207216
Abstract: Tackling the current problem of antimicrobial resistance (AMR) requires fast, inexpensive, and effective methods for controlling and detecting antibiotics in diverse samples at the point of interest. Cost-effective, disposable, point-of-care electrochemical biosensors are a particularly… read more here.
Keywords: aptasensor; graphene; click chemistry; chemistry ... See more keywords
ZnO flower-rod/g-C3N4-gold nanoparticle-based photoelectrochemical aptasensor for detection of carcinoembryonic antigen
Sign Up to like & getrecommendations! Published in 2018 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-018-1256-7
Abstract: AbstractA highly sensitive and selective photoelectrochemical (PEC) aptasensor was constructed for carcinoembryonic antigen (CEA) detection based on ZnO flower-rods (ZnO FRs) modified with g-C3N4-Au nanoparticle (AuNP) nanohybrids. The nanohybrids of g-C3N4-AuNPs can improve the visible… read more here.
Keywords: detection; aptasensor; cea; zno ... See more keywords
Electrochemical aptasensor for the detection of HER2 in human serum to assist in the diagnosis of early stage breast cancer
Sign Up to like & getrecommendations! Published in 2019 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-019-02040-5
Abstract: Human epidermal growth factor receptor-2 (HER2) is an important biomarker in the diagnosis and prognosis of breast cancer. This work aimed to develop an aptasensor to detect HER2 in human serum. HER2 aptamer was immobilized… read more here.
Keywords: aptasensor; her2; serum; breast cancer ... See more keywords
A SERS-colorimetric dual-mode aptasensor for the detection of cancer biomarker MUC1
Sign Up to like & getrecommendations! Published in 2020 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-020-02790-7
Abstract: Human mucin-1 (MUC1) has attracted considerable attention owing to its overexpression in diverse malignancies. Here, for the rapid and efficient detection of MUC1, we present a SERS-colorimetric dual-mode aptasensor, by integrating SERS probes with magnetic… read more here.
Keywords: dual mode; detection; mode aptasensor; aptasensor ... See more keywords
Selection and truncation of aptamers for ultrasensitive detection of sulfamethazine using a fluorescent biosensor based on graphene oxide
Sign Up to like & getrecommendations! Published in 2020 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-020-03044-2
Abstract: We developed a fluorescent aptamer/graphene oxide (GO)–based biosensor to detect sulfamethazine (SMZ) residues in animal-derived foods. The SMZ-bound aptamers were identified and screened with an improved GO-SELEX technique using non-immobilizing ssDNA library. After seven rounds… read more here.
Keywords: graphene oxide; detection; aptasensor; biosensor ... See more keywords
3D-printed microfluidics integrated with optical nanostructured porous aptasensors for protein detection
Sign Up to like & getrecommendations! Published in 2021 at "Mikrochimica Acta"
DOI: 10.1007/s00604-021-04725-0
Abstract: Microfluidic integration of biosensors enables improved biosensing performance and sophisticated lab-on-a-chip platform design for numerous applications. While soft lithography and polydimethylsiloxane (PDMS)-based microfluidics are still considered the gold standard, 3D-printing has emerged as a promising… read more here.
Keywords: pdms based; detection; printed microfluidics; aptasensor ... See more keywords
Design of aptamer-based sensing platform using gold nanoparticles functionalized reduced graphene oxide for ultrasensitive detection of Hepatitis B virus
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Papers"
DOI: 10.1007/s11696-020-01292-1
Abstract: In the present work, electrochemical aptasensor for earlier detection of Hepatitis B virus infection was developed. First, the surface of a glassy carbon electrode was modified with gold nanoparticles functionalized reduced graphene oxide, then thiol-terminated… read more here.
Keywords: detection; gold nanoparticles; aptasensor; detection hepatitis ... See more keywords
An ultrasensitive aptasensor for hemin and hemoglobin based on signal amplification via electrocatalytic oxygen reduction.
Sign Up to like & getrecommendations! Published in 2017 at "Analytical biochemistry"
DOI: 10.1016/j.ab.2016.11.016
Abstract: The present study aims at the fabrication of a novel electrochemical aptasensor, Ap-GA-AMSN-GCE, for the label-free determination of hemin and hemoglobin (Hb). Basically, the electrochemical reduction current of hemin or Hb incubated on Ap-GA-AMSN-GCE in… read more here.
Keywords: oxygen; aptasensor; hemin hemoglobin; hemin ... See more keywords