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Singlet oxygen sensor green reagent sosg

Manufactured by Thermo Fisher Scientific
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Singlet Oxygen Sensor Green reagent (SOSG) is a fluorescent probe used to detect and measure the presence of singlet oxygen in biological and chemical systems. It functions by emitting a fluorescent signal upon reaction with singlet oxygen, enabling the quantification of this reactive oxygen species.

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4 protocols using singlet oxygen sensor green reagent sosg

1

Photodynamic Therapy Nanoparticle Formulation

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Paclitaxel (PTX) was obtained from JW Pharmaceutical Corporation (Dangjin, South Korea). Indocyanine green (ICG) and icosafluoro-15-crown-5-ether (PFC) were purchased from Tokyo Chemical Industry Co., LTD. (Tokyo, Japan). Chlorin e6 (Ce6) was supplied by Frontier Scientific (Salt Lake City, UT, USA). Bovine serum albumin (BSA) and 2-iminothiolane (2-IT; Traut’s reagent) were purchased from Sigma-Aldrich (St. Louis, MO, USA). Four-arm polyethylene glycol maleimide (4-arm PEG-MAL; Mw 20 kDa) was purchased from NOF Corporation (Tokyo, Japan). The 4T1 breast cancer cells were obtained from the American Type Culture Collection (ATCC; Rockville, MD, USA). LIVE/DEAD™ viability/cytotoxicity assay kits, Singlet Oxygen Sensor Green reagent (SOSG), and CellROX™ Deep Red reagent were purchased from Thermo Fisher Scientific (Waltham, MA, USA). Anti-HIF-1α primary and Alexa Fluor®-488-conjugated goat anti-rabbit secondary antibodies were purchased from Abcam (Cambridge, MA, USA). Trypsin-EDTA and penicillin-streptomycin (P/S) solution were purchased from Corning (Somerville, NY, USA). Dulbecco’s Modified Eagle Medium (DMEM) and fetal bovine serum (FBS) were purchased from Capricorn (Ebsdorfergrund, Hesse, Germany). All other reagents were obtained from Sigma-Aldrich unless otherwise indicated.
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2

Multifunctional Theranostic Nanoparticles

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Erbium acetate hydrate (III), lutetium acetate hydrate (III), ammonium fluoride (NH4F), oleic acid, 1-octadecene, ammonium hydroxide solution, polyacrylic acid (Mw 1,800), hemoglobin (Hb; bovine), bovine serum albumin (BSA), and kerosene were purchased from Sigma-Aldrich (St. Louis, MO, USA). Chlorin e6 (Ce6) was purchased from Frontier Scientific (Salt Lake City, UT, USA). Icosafluoro-15-crown-5-ether (PFC) was purchased from Tokyo Chemical Industry Co., LTD. (Tokyo, Japan). SY-Glyster CR-310 was kindly provided by Sakamoto Yakuhin Kogyo Co. (Osaka, Japan). 4T1 breast cancer cells were obtained from the American Type Culture Collection (ATCC; Rockville, MD, USA). LIVE/DEAD™ viability/cytotoxicity assay kits, singlet oxygen sensor green reagent (SOSG), and CellROX™ Green reagent were purchased from Thermo Fisher Scientific (Waltham, MA, USA). Anti–HIF–1α primary and Alexa Fluor®-488-conjugated goat anti-rabbit secondary antibodies were purchased from Abcam (Cambridge, MA, USA). In situ cell death detection (terminal deoxynucleotidyl transferase dUTP nick end labeling: TUNEL) assay kits were purchased from Roche Diagnostics GmbH (Mannheim, Germany). Hypoxyprobe™-1 Plus kits were obtained from Hypoxyprobe Inc. (Burlington, MA, USA). All other reagents were obtained from Sigma-Aldrich unless otherwise indicated.
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3

Multifunctional Nanoparticle-based Phototherapies

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Zinc phthalocyanine (ZnPc, Strem Chemicals, Inc., American) and single-walled carbon nanohorns (SWCNH, Qingdajiguang Co. Ltd., China) were used as PDT/PTT agent, respectively. D-α-tocopherol polyethylene glycol 1000 succinate (TPGS, Aladdin Co. Ltd., China) were selected as a stabilizer. Dimethyl sulfoxide (DMSO, Sinopharm Chemical Reagent Beijing Co. Ltd., China) and ethanol (Eth, Sinopharm Chemical Reagent Beijing Co. Ltd., China) of analytical grade were added as solvents to promote ZnPc and SWCNH adsorption. Singlet oxygen sensor green reagent (SOSG, Thermo Fisher Co. Ltd., American) was used to detect singlet oxygen concentration after PDT therapy. Cell Counting Kit-8 (CCK-8, Beyotime Biotechnology Co. Ltd., China) was used to investigate cell viability after therapy. Tribromoethanol (Energy Chemical Co. Ltd., China) was used as an anesthetic for mice. Fetal bovine serum (FBS, PAN Biotech Co. Ltd., Germany), dulbecco's modified eagle medium (DMEM, Macgene Co. Ltd., China), penicillin-streptomycin solution (Macgene Co. Ltd., China), and trypsin (Macgene Co. Ltd., China) were used for cell culture.
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4

Synthesis of Photosensitizer-Loaded Nanoparticles

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Erbium(III) acetate hydrate, lutetium(III) acetate hydrate, yttrium(III) acetate hydrate, yttErbium(III) acetate hydrate, neodymium(III) acetate hydrate, ammonium fluoride (NH4F), oleic acid (90%), 1-octadecene (90%), IGEPAL® CO-520, and ammonium hydroxide solution (28–30%) were purchased from Sigma–Aldrich (St. Louis, MO, USA). Tetraethyl orthosilicate (TEOS), 3-aminopropyltriethoxy-silane (APTES), and tetrakis(4-carboxyphenyl)porphyrin (TCPP) were purchased from Tokyo Chemical Industry (TCI) Co., Ltd. (Toshima, Kita-ku, Tokyo, Japan). mPEG2k-SC and FA/PEG5k-NHS were purchased from Biochempeg (Watertown, MA, USA). The HeLa (ATCC® CCL-2™) human adenocarcinoma cell line was obtained from the American Type Culture Collection (Rockville, MD, USA). DMEM and fetal bovine serum (FBS) were purchased from Capricorn (Ebsdorfergrund, Hesse, Germany). Trypsin-EDTA and penicillin-streptomycin (P/S) solution were purchased from Corning (Corning, NY, USA). The LIVE/DEADTM viability/cytotoxicity assay kit, LysoTrackerTM Green DND-26, and singlet oxygen sensor green reagent (SOSG) were purchased from Thermo Fisher Scientific (Waltham, MA, USA). All other reagents were obtained from Sigma–Aldrich unless otherwise indicated.
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