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Rhodamine b

Manufactured by Tianjin Damao
Sourced in China

Rhodamine B is a fluorescent dye that is commonly used in various laboratory applications. It has a characteristic pink-red color and is known for its high quantum yield and photostability. Rhodamine B is widely used as a tracer, a stain, and a fluorescent label in a variety of scientific techniques, such as microscopy, flow cytometry, and environmental studies.

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3 protocols using rhodamine b

1

Synthesis and Characterization of Dye-Doped Polymers

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Dichloromethane, ethanol, FeCl3∙6H2O, FeSO4·7H2O, HCl, H2O2, MB, methanol, rhodamine B (RhB), methyl orange (MO), crystal violet (CV), NaOH, and tetrahydrofuran (THF) were obtained from Tianjin Damao Chemical Reagent Factory (Tianjin, China). Aqueous ammonia (25%) was purchased from Tianjin Kermel Chemical Reagent Co. (Tianjin, China). Pyrrole (J&K Scientific, Beijing, China) was distilled before use. Poly(sodium-p-styrene sulfonate) (PSS), polyvinyl chloride (PVC), polyvinyl pyrrolidone (PVP), SDBS, and sodium dodecyl sulfate (SDS) were obtained from Aladdin Industrial Co. (Shanghai, China). All reagents and solvents were of analytical grade. The ultrapure water (18.2 MΩ·cm) used in the experiments was prepared using a Purifier water purification system.
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2

Transdermal Microneedle Delivery of Paroxetine

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PDMS microneedle molds were provided by Microchip Pharmaceutical Technology Co., Ltd (Taizhou, China). Hyaluronic acid (HA-TLM 3–5), molecular weight (Mw = 10,000) was purchased from Bloomage Biotechnology Co., Ltd (Shandong, China). PLGA (50:50, Mw = 10,000) was manufactured at JUFK Biotechnology Co., Ltd. (Jinan, China). Paroxetine (Par) was purchased from Aladdin Biochemical Technology Co., Ltd (Shanghai, China). Rhodamine B was sourced from Damao Chemical Reagent Factory (Tianjin, China). Polyvinyl alcohol was bought from Kuraray International Trading Co., Ltd. (Shanghai, China). 2-hydroxypropyl-β-cyclodextrin was procured from Qianhui Biotechnology Co., Ltd. (Zibo, China). All other reagents and organic solvents were analytical reagents.
Balb/c-nu/nu mice, female, seven weeks old, weighing 16–18 g, were purchased from Guangdong Medical Experimental Animal Center, license number: SCXK (Guangdong) 2022–0002.
SD rats, female, four weeks old, weighing 100–300 g, purchased from Guangdong Medical Laboratory Animal Center, license No. SCXK (Guangdong) 2022–0002.
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3

Hydrogenated Rosin-Based Polymeric Emulsifier

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Hydrogenated rosin (N grade, composed of approximately 95% colophony acids, acid value 191.79 mg KOH/g) was acquired from Guangxi Wuzhou Pine Chemicals (Guangxi, China). First-class soybean oil was purchased in a local supermarket. Rhodamine B was obtained from the Damao Chemical Reagent Factory (Tianjin, China). Food-Grade xylitol was obtained from the Futaste Pharmaceutical Co., Ltd. (Shandong, China). Carbon dioxide (99.9%) was obtained from the Nanning Air Separation Gas Co., Ltd. (Guangxi, China).
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