Alexa fluor 647 NHS ester (L-5-Hydroxytryptophan-d3) is a photostable far-red fluorescent dye used in imaging and flow cytometry to generate stable signals for protein labeling, amine-modified oligonucleotides, and other primary amine-containing molecules.

Cy5.5 is a near-infrared fluorescent dye for labeling biomolecules such as peptides, proteins and oligonucleotides (Ex=673 nm, Em=707 nm)[2].

CY5-SE (Cy5 NHS Ester) is a reactive dye used to label amino groups in peptides, proteins and nucleotides. It needs to be stored away from light. Excitation wavelength (nm): 640, emission wavelength (nm): 664.

CY7 (Sulfo-Cyanine7) is a fluorescence labeling agent (Ex=750 nm, Em=773 nm). Cy7 is used for labeling oligonucleotides, antibodies, peptides, and proteins.

AQC (6-Aminoquinolyl-N-hydroxysccinimidyl carbamate) is a reagent used in HPLC for the fluorescence detection of amino acid or protein sequences. It reacts with primary and secondary amino acids to produce fluorescent derivatives, enabling the detection of amino acids at picomolar levels.

Cyanine5 NHS ester chloride is a reactive dye with red fluorescence that requires a small amount of organic cosolvent (such as DMF or DMSO) to label amino groups in peptides, proteins, and oligonucleotides.

CY7-SE Triethylamine is a fluorescence labeling agent (Ex=700-770 nm,Em=790 nm) used for labeling proteins, peptides, antibodies, and oligonucleotides.

5(6)-FAM SE (5(6)-Carboxyfluorescein N-hydroxysuccinimide ester) is an amine-reactive green fluorescent dye. 5(6)-FAM SE is widely used for labeling proteins or other molecules that contain a primary or secondary aliphatic amine.

DFHBI, a small molecule resembling the chromophore of green fluorescent protein (GFP), is essentially nonfluorescent when unbound. The Spinach-DFHBI complex, however, exhibits bright fluorescence both in vitro and in living cells.

BHQ3 Maleimide is a fluorescent probe that eliminates background fluorescence and can be used for protein labeling, nucleic acid labeling and cellular imaging.

CY5-N3 (Sulfo-Cyanine5-azide) is an anthocyanin fluorescent dye with azide groups, utilized for cell imaging, tissue imaging, and in vivo imaging.

Sulfo-Cy5.5 is a near-infrared fluorescent dye (Ex=673 nm, Em=707 nm) that can be used to label biomolecules such as peptides, proteins, and oligonucleotides [2].

Thiazolo[5,4-c]pyridin-4(5H)-one (compound 17) is a compound used for diagnostic imaging of TDP-43 (Transactive response (TAR) DNA binding protein 43 kDa), which is commonly used in positron emission tomography (PET) imaging of neurodegenerative diseases such as amyotrophic lateral sclerosis (ALS), Alzheimer's disease (AD), frontotemporal dementia (FTD), and limbic dominant age-related TDP-43 encephalopathy (LATE).

CY5.5-COOH (Cyanine 5.5 carboxylic acid) is a fluorescent dye commonly used in biological imaging, cell imaging, protein localization, and immunostaining.

Cy5-DSPE is a fluorescent phospholipid that combines the cell membrane targeting properties of DSPE with the strong fluorescence of Cyanine 5 (Cy5), commonly used in bioimaging and drug delivery research.

5-TAMRA-SE, an amine-reactive fluorescent agent, forms conjugates that produce bright, pH-insensitive orange-red fluorescence (approximate excitation/emission maxima ~546/579) and exhibit good photostability.

Sulfo-Cy5 amine hydrochloride (Sulfo-Cy5 amine hydrochloride) is a highly water-soluble Cy5 dye that can be conjugated to biomolecules without causing hydrophobic aggregation, improving the stability of fluorescently labeled products.

Bromophenol Blue, an acid phthalein dye, is utilized both as a tracking dye for electrophoresis and as a pH indicator with a transition range of pH 3 to 4.6.

Dansyl chloride (DNSC-l) reacts with primary amino groups in both aliphatic and aromatic amines to produce stable blue- or blue-green-fluorescent sulfonamide adducts. It is widely used to modify amino acids, specifically, protein sequencing and amino acid analysis.

NBD-X acid is an environmentally sensitive fluorescent probe used to study biological polymers such as lipids and proteins, with a higher labelling yield than NBD and significantly reduced fluorescence intensity in aqueous solutions. NBD-X acid emits green to yellow fluorescence with excitation/absorption wavelengths of 465/535 nm.

Cy3 (Sulfo-Cyanine3) is an orange-fluorescent label for nucleic acids and proteins (λex=554, λem=568).

Sulforhodamine B sodium salt (Acid Red 52) is a fluorescent dye. It can be used from laser-induced fluorescence to the quantification of cellular proteins of cultured cells.

TPE-MI (Tetraphenylethene maleimide) is an aggregation-induced luminescent agent that stains living cells, can be used to capture cysteines in exposed unfolded proteins, and detects protein damage after dihydroartemisinin studies of malaria parasites.

CY5 triethylamine salt is a water-soluble dye, Excitation (nm):649, Emission (nm): 670.