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Targeted therapy! The Capetin Prize winning "Click Chemistry" can be used like this!Targeted therapy! The Nobel Prize winning "Click Chemistry" can be used like this!2025-02-06
16 Results for "
FTIR spectra
" in MedChemExpress (MCE) Product Catalog:
Products (16)
16 Results for "FTIR spectra" in MCE Product Catalog:
1
1 Cited Publications
1
1 Cited Publications
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FFN246 is a fluorescent, dual substrate of serotonin transporter (SERT) probe and vesicular monoamine transporter 2 (VMAT2) with excitation and emission spectra 392/427 nm. FFN246 can be used for labeling serotonergic neurons in mouse brain tissue through SERT-dependent accumulation .
Cat. No.: HY-P3983
CAS No.: 123380-68-7
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Sulforhodamine 101 DHPE is a fluorescent probe made from the conjugation of the phospholipid 1,2-dipalmitoyl-sn-glycero-3-PE to sulforhodamine 101, a red fluorescent dye that displays excitation/emission spectra of 586/605 nm, respectively. It integrates into phospholipid bilayers and has been used for imaging of solid supported lipid bilayers, detection of protein-ligand binding on bilayers, and to monitor colocalization of lipid probes in liposomes via resonance energy transfer (RET).
Cat. No.: HY-W110781
CAS No.: 82-94-0
Basic Blue 20 is a very convenient red-emitting DNA stains. Basic Blue 20 has relatively narrow excitation and emission spectra, with peaks at 633 and 677 nm, respectively. Basic Blue 20 also has a very high resistance to photobleaching .
Cat. No.: HY-D2749
CAS No.: 2353410-10-1
Cat. No.: HY-P3630
CAS No.: 102067-93-6
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Cat. No.: HY-118205
CAS No.: 637772-75-9
SCH-538415 is a novel acyl carrier protein synthase inhibitor isolated from an unknown bacterial microorganism. The structural elucidation of compound 1 was completed by analyzing spectral data including UV, MS and 2D-NMR spectra. Compound 1 showed inhibitory activity in the acyl carrier protein synthase (AcpS) test with an IC50 value of 4.19 μM and exhibited antibacterial activity against Staphylococcus aureus in the agar diffusion test.
Cat. No.: HY-D2774
CAS No.: 105237-27-2
Cat. No.: HY-N18127
CAS No.: 1028708-26-0
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Cat. No.: HY-184602
Gold nanoclusters (AuNCs) are molecular-level aggregates consisting of a core of several to dozens of gold atoms, protected by organic monomers such as thiol compounds or proteins. GSH-AuNCs utilize glutathione (a thiol-containing tripeptide) as both a reducing agent and a protecting group, reacting chemically with gold atoms to form nanoclusters, representing a transitional state between metal atoms and metal nanoparticles. Due to size effects and the emergence of quantized energy levels, GSH-AuNCs possess unique optical properties, such as tunable fluorescence emission spectra. Their fluorescence emission wavelength can be tuned with variations in particle size and composition.
Cat. No.: HY-D3105
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DCA is a Fluorescent probe for visualization of phase behavior in ER membranes. DCA is an ER-targeting, polarity-responsive NIR ratiometric probe, with its p-toluenesulfonamide group responsible for ER localization; its sensitivity to polarity relies on its donor-π-acceptor (D-π-A) structure, where aniline acts as the donor and dicyanomethylene acts as the acceptor, driving an intramolecular charge transfer (ICT) process upon excitation. In environments with low polarity, such as the closely packed, low water content ERₒ phase of ER membranes, DCA emits at a shorter wavelength, while in high polarity environments like the loosely packed, higher water content ERd phase, ICT leads to a red-shifted emission, allowing discrimination of the two phases via dual NIR emission colors and ratiometric imaging. Ex/Em = 488/570–620 nm and 488/665–735 nm; additional excitation/emission pairs include Ex/Em = 488/631 nm in low polarity 1,4-dioxane and Ex/Em = 488/677 nm in 1,4-dioxane with 30% water, the higher polarity condition. It shows a large Stokes shift of ~170 nm, and pH, viscosity, and biologically relevant species including Cys, GSH, H₂O₂, and metal ions do not exert marked interference on its fluorescence spectra[1].
Cat. No.: HY-D3404
CAS No.: 169454-13-1
Cat. No.: HY-D1737
Cat. No.: HY-D3094
CAS No.: 2687198-42-9
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TPE-SQ5 is a ratiometric Fluorescent probe for hypochlorite (ClO -) detection with a limit of detection of 5.6 nM. TPE-SQ5 exhibits high selectivity and high sensitivity towards ClO -. TPE-SQ5 can be oxidized by ClO - to form an epoxide, which quenches its deep red fluorescence; subsequently, the epoxide decomposes into a hemicyanine and a sulfonic acid-substituted oxindole, producing blue-green fluorescence to achieve a ratiometric response. TPE-SQ5 can form nanoparticles with Pluronic F-127 via the nanoprecipitation method, and these nanoparticles possess cell permeability. TPE-SQ5 has unique Ex/Em spectra in different solvents and nanoparticle forms, with emission peaks at 643 nm (380 nm excitation, 95% H2O/THF), 631 nm (564 nm excitation, DMSO), 652 nm (536 nm excitation, THF) and 630 nm (524 nm excitation, nanoparticles); the Ex/Em settings used for cell imaging are 488/550-650 nm (red channel) and 405/450-550 nm (green channel) .
Cat. No.: HY-D3133
CAS No.: 2410296-16-9
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HS-CyBz is a Fluorescent probe for H₂S detection, enabling ratiometric optical/photoacoustic dual-modality in/ex vivo imaging. Its detection mechanism relies on nucleophilic substitution of its benzoic ester group by HS⁻, which releases an enolic meso-hydroxyltricarboheptamethine cyanine that then undergoes keto-enol tautomerization to form Cy-ketone; this tautomerization causes distinct shifts in absorption and emission spectra, producing a ratiometric response that reduces interferences from tissue scattering, autofluorescence, and probe concentration. In its initial state, HS-CyBz has an excitation wavelength of 595 nm, with emission bands centered at 805 nm (main) and 630 nm (minor); upon reaction with H₂S, the 805 nm emission band decreases while the 630 nm band drastically increases, and its absorption spectrum shows a sharp band at 775 nm and a shoulder band at 708 nm, which decrease upon H₂S reaction with a minor increase at 850 nm and an isosbestic point at 825 nm. For in vivo optical imaging, excitation at 560 nm is used with emission channels at 620 nm and 790 nm, while in vivo photoacoustic imaging uses excitation at 775 nm and 825 nm. The detection limit of HS-CyBz for H₂S is 0.5 μM, and it shows high selectivity, with only H₂S inducing a distinct enhancement of the emission ratio F₆₃₀/F₈₀₅ and PA ratio PA₈₂₅/PA₇₇₅, while other biochemical species including cations, anions, reactive oxygen species, biothiols, and carboxylesterase trigger only minor changes and do not interfere with H₂S sensing. Tail intravenous injection of HS-CyBz leads to accumulation in the liver of mice, and it can be used to verify endogenous H₂S upregulation triggered by S-adenosyl-L-methionine via ratiometric optical/photoacoustic imaging .
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Protocols
Targeted therapy! The Capetin Prize winning "Click Chemistry" can be used like this!Targeted therapy! The Nobel Prize winning "Click Chemistry" can be used like this!A suitable model is crucial in drug screening experiments. Organs can mimic the three-dimensional functional structure of internal organs, have similar spatial organization to corresponding organs, maintain some key characteristics, and reproduce some physiological functions. They are widely used for modeling and personalized drug screening physiological functions.2025-02-06
