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Acridine orange

Manufactured by HiMedia
Sourced in India

Acridine orange is a fluorescent dye commonly used in laboratory settings. It is a cell-permeable dye that intercalates with DNA and RNA, emitting green or orange-red fluorescence upon excitation. The dye can be used for various applications, including nucleic acid staining, cell viability assessment, and detection of apoptosis.

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14 protocols using acridine orange

1

Comprehensive Cell Culture Reagent Procurement

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Cell culture media components such as DMEM, RPMI-1640 medium, Ham’s F12 K medium, penicillin, streptomycin, Hi-Sep Lymphocyte separation medium, HiKaryo XL RPMI medium, MTT, acridine orange, BSA, skimmed milk, prestained protein marker and tween 20 were purchased from HiMedia Laboratories, Mumbai, India. DMSO, trypan blue, Hoechst 33258, DCFH-DA, Rhodamine-123, Tris base, TRI reagent, Oligo(dT)-18 mer primers, Protease/phosphatase Inhibitor Cocktail and KBr were purchased from Sigma-Aldrich, USA. Fetal bovine serum, Dulbecco’s Phosphate Buffered Saline (DPBS), Trypsin–EDTA, Alexa Fluor 488 Annexin V/Dead Cell Apoptosis Kit, Fluo-3 AM, propidium iodide and Geltrex LDEV-Free Reduced Growth Factor Basement Membrane Matrix were purchased from Thermo Fisher Scientific, USA. M-MuLV reverse transcriptase enzyme, RNase A, dNTP mix and agarose were purchased from Genei Laboratories Pvt. Ltd, Bangalore, India. Triton X-100, EDTA, glycine, ethidium bromide, BCIP, NBT, silica gel for column chromatography (60–120 meshes), vanillin, sulphuric acid and solvents such as petroleum ether, chloroform, acetone, methanol (all HPLC grade) were procured from Sisco Research Laboratories Pvt. Ltd., Mumbai, India. Antibodies were procured from Cell Signaling Technology, Inc., USA and Sigma-Aldrich, USA. Primers sets were purchased from Eurofins Genomics India, Bangalore, India.
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2

Curcumin and Pluronic 127 Nanoformulation

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Malic acid, 1, 12-Dodecanedioic acid (DDA), Pluronic 127 were purchased from Sigma. Curcumin and Glycerol were purchased from TCI and Himedia, respectively. Primary (caspase-9 and GAPDH) and secondary antibodies were procured from Santa Cruz, US. Other chemicals used in animal cell culture studies, such as Dulbecco’s modified Eagle’s medium (DMEM), Fetal bovine serum (FBS), Trypsin-EDTA were purchased from Gibco, Thermo Fisher Scientific, India. Phosphate buffer saline, Acridine orange, Ethidium bromide and DAPI were obtained from Himedia, India. MCF-7 and MDA-MB-231 cell lines were procured from NCCS, Pune, India.
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3

Farnesiferol-C Cytotoxicity Assay

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Farnesiferol-C was procured from Sigma Aldrich, USA. MTT dye (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide), Minimum Essential Media (MEM), iPurATM Total RNA Miniprep Purification Kit, RNase A, antibiotic–antimycotic solution, fetal bovine serum (FBS), acridine orange, and ethidium bromide were purchased from Himedia, India. Rhodamine (Rh)-123 and Hoechst 33342 were obtained from Sigma (St. Louis, MO, USA).
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4

Synthesis and Characterization of Zinc Oxide Nanoparticles

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ZnONPs was purchased from Sigma aldrich (cat. no.677450 and 544906) and FA (C10H1004, 98%) was obtained from Sisco research laboratories Pvt Ltd. RPMI 1640, MTT, BSA, acridine orange and ethidium bromide were obtained from Himedia.
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5

Carvacrol-Induced Apoptosis Mechanism

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Carvacrol (CAR), DAPI (4, 6-diamidino-2-phenylindole), propidium iodide (PI), and 2, 7-dichlorodihydrofluorescein diacetate (DCFH-DA) were purchased from Sigma (St. Louis, MO, United States). Caspase-9, -8 and -3 colorimetric assay kit with catalogue numbers K119, K113–25 and K106-100 were procured from BioVision, United States. Acridine orange, Ethidium bromide, RPMI-1640, fetal bovine serum (FBS), 1% antibiotic-antimycotic solution, RNase A, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) and HiPurATM Total RNA Miniprep Purification Kit were purchased from Himedia India, Ltd., Mumbai, India. JC-1 mitochondrial membrane potential (MMP) assay kit was purchased from G-Biosciences, United States. All the primer sequences utilized during the study were procured from IDT, United States. FITC Annexin V Apoptosis Detection Kit was procured from BD Bioscience, PharMingen (San Diego, United States of America). DyNAmoColorFlash SYBR Green qPCR Kit and Verso cDNA synthesis kit were obtained from Thermo-Scientific, United States.
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6

Cytotoxicity Assay of Gold Nanoparticles

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Dulbecco’s modified Eagle’s medium (DMEM), fetal bovine serum (FBS), penicillin/streptomycin, DMSO (cell culture grade), MTT (dimethylthiazolyltetrazolium bromide), Acridine orange, Ethidium bromide, Chloroauric acid (HAuCl4), 1× Phosphate buffer saline (PBS) and Glutamine were purchased from HiMedia Laboratories, Mumbai, India. Cetyl trimethylammonium bromide (CTAB), 2′,7′ -Dichlorofluorescein-diacetate (DCFH-DA) and Rhodamine-123 dye were purchased from Sigma-Aldrich, USA. Propidium Iodide was purchased from Thermo Fisher Scientific, India.
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7

Comparative Cytotoxicity in A549 and V79 Cells

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A549 adenocarcinoma human alveolar basal epithelial cells and V79 Chinese hamster lung fibroblasts were purchased from the National Centre for Cell Science (NCCS), Pune. Dulbecco’s Modified Eagle’s Medium (DMEM) and antibiotic solution were purchased from HiMedia, Mumbai, India. Fetal bovine serum (FBS) was purchased from Gibco, Waltham, MA, USA. Other chemicals such as MTT [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, acridine orange, ethidium bromide, and cholesterol were purchased from HiMedia, India. The 100 bp DNA ladder and DNA gel-loading dye (6x) were purchased from Thermo Fisher Scientific, Mumbai, India. Dimethyl sulfoxide (DMSO), chloroform, isopropanol, and ethanol were purchased from SRL chemicals, Mumbai, India.
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8

Live and Dead Cell Assessment of PA-AgNPs

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Live and dead cell assessment was carried out for PA-AgNPs by using acridine orange (HiMedia laboratories, India) as staining reagent [15 (link)]. The stock was prepared by mixing of 0.05 ml of 1% acridine orange with 5 ml of acetate buffer with 0.2 M (pH 4.0). Bacterial sample (E. coli) was spread on sterile glass slide, dried at 50 °C, fixed in absolute methanol for 2 min and air dried. The slides were then covered with acridine orange (AO) for 1 min, gently rinsed with tap water and air dried [16 (link)]. The samples were examined with epifluorescence microscope at 460–490 nm excitation (Eclipse 80i, Nikon, Japan).
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9

Comprehensive Analytical Techniques for Cellular Assessments

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2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2'-azino-bis(3-ethylbenzothiazoline-6sulphonic acid) (ABTS), nitroblue tetrazolium (NBT), butylated hydroxyanisole (BHA), Folin-Ciocalteu (FC), ethylenediaminetetraacetic acid (EDTA), 2,6-dichlorophenolindophenol (DCPIP), p-iodonitrotetrazolium chloride (INT), nutrient broth (NB), Dulbecco's Modified Eagle Medium (DMEM), propidium iodide (PI), acridine orange (AO), ethidium bromide (EB), 4′,6-diamidino-2-phenylindole (DAPI) and 2′,7′-dichlorofluorescin diacetate (DCFDA), were procured from Himedia (Mumbai, India). Fetal bovine serum (FBS) and water-soluble tetrazolium (WST) were obtained from Takara Bio Inc, Japan, and Invitrogen, Carlsbad, CA, USA, respectively. High-performance thin-layer chromatography (HPLC) standards were used from Sigma chemicals Co., St. Louis, MO, USA. 5,5′,6,6′-tetrachloro1,1′,3,3′tetraethylbenzimidazolcarbocyanine iodide (JC-1) and APO-DIRECT™ Kit for Terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay were used from BD Pharmingen, San Diego, CA, USA.
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10

Curcumin-Loaded DSPE-PEG Nanoformulation

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Firstly, p1,2-Distearoyl-sn-glycero-3-phosphoethanolamine-N-methoxy-[poly(ethylene glycol); PEG MW2,000] (DSPE-PEG) was gifted from LIPOID GmbH (Ludwigshafen, Germany). Curcumin (purity > 95% total curcuminoids) was a gift from Kancor Ingredients Ltd., Kerala, India. HPLC grade acetonitrile (purity 99.9%) and methanol (purity 99.8%) were purchased from Fisher Scientific, Mumbai, India. MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) (purity 97.5%) and DAPI (4R0,6-diamidino-2-phenylindole) (98%) were purchased from Sigma Aldrich, St. Louis, MO, USA. Dimethyl sulfoxide (99.9%) and paraformaldehyde (purity 95%) were purchased from Qualigens, Mumbai, India. Acridine orange and ethidium bromide were purchased from Himedia Laboratories, Mumbai, India.
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