Showing 1-19 of 19 results for "

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Shao-Hua Wu et al.
Biosensors & bioelectronics, 73, 41-46 (2015-06-05)
A new gold particles modified heated copper disk electrode (Au-HCuDE) with direct current was fabricated. The hemin/G-quadruplex horseradish peroxidase-mimicking DNAzyme (HRP-DNAzyme) was self-assembled on the heated electrode and resulted in a new biosensor denoted as HRP-DNAzyme/Au-HCuDE. By controlling the temperature...
Raquel García-González et al.
Talanta, 142, 11-19 (2015-05-25)
Amplification-free (referring to enzymatic amplification step) detection methodologies are increasing in biosensor development due to the need of faster and simpler protocols. However, for maintaining sensitivity without this step, highly detectable molecules or very sensitive detection techniques are required. The...
Antonio F Melo Junior et al.
Life sciences, 257, 118138-118138 (2020-07-28)
Hypertension is a relevant sex and sex hormones-dependent risk factor where the cardiovascular and renal health of the population are concerned. Men experience greater losses of renal function (RF) than women, but the mechanisms remain somewhat unclear. Our goal was...
C Gröer et al.
Journal of pharmaceutical and biomedical analysis, 100, 393-401 (2014-09-15)
Cytochrome P450 (CYP) enzymes and UDP-glucuronosyltransferases (UGT) are major determinants in the pharmacokinetics of most drugs on the market. To investigate their impact on intestinal and hepatic drug metabolism, we developed and validated quantification methods for nine CYP (CYP1A2, CYP2B6...
Tibor Maliar et al.
Chemistry & biodiversity, 12(11), 1678-1695 (2015-11-17)
The content of biogenic compounds and the biological activities of barley (Hordeum vulgare L.)-grain extracts was evaluated. The sufficiently large and heterogeneous set of barley genotypes (100 accessions) enabled the selection of special genotypes interesting for potential industrial, pharmaceutical, and...
Vašková Janka et al.
In vitro cellular & developmental biology. Animal, 51(9), 964-974 (2015-05-29)
Although knowledge of cancer management is extensive, mortality is not currently declining in this area. It is therefore important to implement a long-term strategy that would aim to prevent these serious diseases. Ferrocene-related organometallic compounds are promising candidates for design...
Illana Gozes et al.
Journal of Alzheimer's disease : JAD, 40 Suppl 1, S23-S36 (2014-02-08)
NAP (NAPVSIPQ, davunetide) is a microtubule stabilizing peptide drug candidate. Here, we set out to identify NAP-like peptides that provide neuroprotection and reduce tau pathology. NAP-like peptides were derived using publically available search engines, which identified sequence homologies in the...
Danlu Wu et al.
The Analyst, 140(18), 6277-6282 (2015-08-14)
Concentrations of cytokines in bodily fluids reflect the physiological or pathological state of the patient and can be used for prognosis, disease diagnosis or for monitoring therapeutic efficacy. However, in the bodily fluids of healthy or sub-healthy individuals, many cytokines...
Christopher Oelkrug et al.
Anticancer research, 35(4), 2085-2091 (2015-04-12)
The electrical current exclusion (ECE) principle provides an alternative to common methods of cell diameter measurement and especially in atrophy and cancer associated cachexia research. C2C12 myoblasts were differentiated into myotubes and treated with 100 μM dexamethasone to induce atrophy...
Sara Chiappalupi et al.
Biomaterials, 75, 313-326 (2015-11-03)
Duchenne muscular dystrophy (DMD) is a genetic disease characterized by progressive muscle degeneration leading to impaired locomotion, respiratory failure and premature death. In DMD patients, inflammatory events secondary to dystrophin mutation play a major role in the progression of the...
Linda Kvastad et al.
Communications biology, 4(1), 57-57 (2021-01-10)
The RNA integrity number (RIN) is a frequently used quality metric to assess the completeness of rRNA, as a proxy for the corresponding mRNA in a tissue. Current methods operate at bulk resolution and provide a single average estimate for...
Jósquia S Barbosa et al.
Natural product communications, 10(6), 983-986 (2015-07-23)
High-performance liquid chromatography (HPLC) coupled to a diode-array detector (DAD) and electrospray ionization mass spectrometry (MS) was applied for the separation and identification of phenolic compounds in the n-hexane, ethyl acetate and methanol crude extract of Barbacenia blanchetii. The MS...
U Eletxigerra et al.
Biosensors & bioelectronics, 70, 34-41 (2015-03-21)
A highly sensitive amperometric magnetoimmunosensor for the determination of ErbB2 protein, a well-known biomarker related to high-impact high-incidence diseases such as breast cancer, is described. A sandwich format involving the covalent immobilization of a specific capture antibody onto magnetic beads...
Ying Hou et al.
Biotechnology progress, 31(4), 974-982 (2015-05-29)
Protein A chromatography is widely employed for the capture and purification of monoclonal antibodies (mAbs). Because of the high cost of protein A resins, there is a significant economic driving force to seek new downstream processing strategies. Membrane chromatography has...
Michiya Matsusaki et al.
Journal of biomedical materials research. Part A, 103(10), 3386-3396 (2015-04-09)
We developed a human skin equivalent (HSE) containing blood and lymph-like capillary networks using a cell coating technique, which is a rapid fabrication technology of three-dimensional cellular constructs by cell surface coating using layer-by-layer assembled nanofilms of extracellular matrices. The...
Yingning Zheng et al.
Analytica chimica acta, 834, 45-50 (2014-06-15)
Our present work aimed at developing a pseudo triple-enzyme cascade electrocatalytic electrochemical aptasensor for determination of thrombin with the amplification of alcohol dehydrogenase (ADH)-Pt-Pd nanowires bionanocomposite and hemin/G-quadruplex structure that simultaneously acted as NADH oxidase and HRP-mimicking DNAzyme. With the...
Min Yu et al.
Journal of gastroenterology, 50(11), 1103-1113 (2015-03-31)
Tight junctions play a critical role in the maintenance of intestinal barrier function. Partitioning-defective protein 3 (Par-3) can regulate intestinal barrier function through the modulation of tight junction assembly and cell polarity. However, the mechanisms are still not fully understood....
Xu Yu et al.
Biosensors & bioelectronics, 66, 520-526 (2014-12-17)
A novel highly sensitive colorimetric assay for DNA detection using cascade amplification strategy based on hybridization chain reaction and enzyme-induced metallization was established. The DNA modified superparamagnetic beads were demonstrated to capture and enrich the target DNA in the hybridization...
Masafumi Sakono et al.
Biochimica et biophysica acta, 1840(9), 2904-2913 (2014-04-29)
Testis-specific chaperone calmegin is required for the generation of normal spermatozoa. Calmegin is known to be a homologue of endoplasmic reticulum (ER) residing lectin chaperone calnexin. Although functional similarity between calnexin and calmegin has been predicted, detailed information concerned with...