Direct q 3 uv

Manufactured by Merck Group

Sourced in Germany, United States, France, Japan, Austria, Italy

The Direct-Q 3 UV is a water purification system designed to produce high-quality ultrapure water. It features a UV lamp that helps to reduce the bacterial content in the purified water.

Automatically generated - may contain errors

Lab products found in correlation

Anhydrous citric acid, by Merck Group (5 mentions) Ethanol, by Merck Group (4 mentions) Sodium hydroxide (naoh), by Thermo Fisher Scientific (4 mentions) Piperine, by Merck Group (4 mentions) Acetone, by Merck Group (3 mentions) Sodium hydroxide (naoh), by Fujifilm (3 mentions) Acetonitrile, by Nacalai Tesque (3 mentions) Phosphate buffered saline (pbs), by Merck Group (3 mentions) Sodium hydroxide (naoh), by Merck Group (3 mentions) Tetraethyl orthosilicate, by Fujifilm (3 mentions) Cetyltrimethylammonium bromide, by Fujifilm (3 mentions) Hydrochloric acid (hcl), by Thermo Fisher Scientific (3 mentions) Sodium chloride (nacl), by Merck Group (3 mentions) Acetonitrile, by Merck Group (3 mentions) 11 mercaptoundecanoic acid, by Merck Group (2 mentions) Glutaraldehyde, by Merck Group (2 mentions) N hydroxysuccinimide, by Merck Group (2 mentions) 1 ethyl 3 3 dimethylaminopropyl carbodiimide, by Merck Group (2 mentions) N n methylenebisacrylamide, by Merck Group (2 mentions) N hexane, by Merck Group (2 mentions)

Close spelling variants of this product

Direct-Q 3 UV water purification system Simply-Lab water system (DIRECT-Q 3 UV Direct-Q(R) 3 UV Water Purification System (ZRQSVP3EU, Millipore Direct-Q 3 UV Water Purification System Direct-Q 3 UV Merck Millipore purification system Direct-Q(R) 3 UV Direct-Q 3 UV Ultrapure Water System Direct-Q 3 UV purification system Direct-Q 3 UV unit Direct-Q® 3 UV Millipore System

97 protocols using direct q 3 uv

Quantifying Metal Levels in Biological Tissues

Check if the same lab product or an alternative is used in the 5 most similar protocols

Metal levels in blood, brain regions (olfactory bulb, prefrontal cortex, striatum, and cerebellum), lung, and liver tissues were determined using a NexION TM 300D ICP MS (Perkin-Elmer, Waltham, MA, USA). The instrument was optimized according to the recommendations of the manufacturer, and its performance was evaluated daily prior to sample analysis by aspiration of a 1 μg/L multi-element solution containing Be, Ce, Fe, In, Li, Mg, Pb, and U in 1% HNO 3 . Method parameters and instrument conditions are summarized in Table 1.
For sample preparation for the analysis, tissues were freeze-dried in a freeze dryer (Ilshin, Yangju-si, Korea) at -70°C and 5 mTorr for 24 hr and then digested in 5 mL concentrated HNO 3 and 5 mL ultrapure water (Direct-Q 3 UV, Millipore, Darmstadt, Germany), while blood samples were digested in 3 mL concentrated HNO 3 and 6 mL ultrapure water (Direct-Q 3 UV, Millipore), using a microwave digestion system (Multiwave 3000). A 2-ng/mL solution of rhodium in 1% HNO 3 was used as the internal standard. This solution was mixed with the calibration standards and samples online. Samples were analyzed using the external calibration method with 5 standard concentrations ranging from 0.1-50 ng/mL.

Saputra D., Chang J., Lee B.J., Yoon J.H., Kim J, & Lee K. (2016). Short-term manganese inhalation decreases brain dopamine transporter levels without disrupting motor skills in rats. The Journal of toxicological sciences, 41(3).

+ Open protocol

+ Expand

Functionalized Polymer Synthesis Protocol

Check if the same lab product or an alternative is used in the 5 most similar protocols

First, 11-mercaptoundecanoic acid (MUDA), N′-tetramethylethylenediamine (TEMED), 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDC), glutaraldehyde (GA), phosphate-buffered saline (PBS), sodium acetate, ethanol, acetone, N-isopropylacrylamide (NIPAm), N,N′ methylenebisacrylamide (BIS), acrylic acid (AAc), N-(3-aminopropyl) methacrylamide hydrochloride (APM), N-hydroxysuccinimide (NHS), 3-aminopropyltriethoxysilane 3- (APTES), ethanolamine, methacryloxy ethylthiocarbamoyl rhodamine B, N-tert-butylacrylamine (TBAm), ammonium persulphate (APS), Tween 20 (polyoxyethylenesorbitan monolaurate), sodium borohydride and anhydrous toluene were purchased from Sigma Aldrich (Steinheim, Germany). In order to obtain double-distilled water, a Millipore Direct-Q 3 UV (Millipore, Taufkirchen, Germany) was used. The glass beads (∅100 μm) were bought from Carl Roth (Karlsruhe, Germany). Carl Roth also provided the syringe filters (0.45 and 0.22 m Rotilabo PTFE) (Karlsruhe, Germany). Without additional purification, analytical or HPLC grade chemicals and solvents were employed throughout. A 0.22 m syringe filter was used to filter a PBS/Tween (phosphate buffered saline +0.05% Tween) buffer.

Choudhary S, & Altintas Z. (2023). Development of a Point-of-Care SPR Sensor for the Diagnosis of Acute Myocardial Infarction. Biosensors, 13(2), 229.

+ Open protocol

+ Expand

Synthesis of Iron Oxide Nanoparticles

Check if the same lab product or an alternative is used in the 5 most similar protocols

Stearic acid, Tween 80, disodium phosphate and monosodium phosphate were purchased from Merck (Darmstadt, Germany). Oleic acid (OA) was supplied from Fisher Chemicals (Loughborough, UK). Iron (III) chloride, sodium hydroxide, palmitic acid (PA), potassium permanganate, sulfuric acid (99%) and ascorbic acid were obtained from Sigma Aldrich (St. Louis, MO, USA). Iron (II) sulfate heptahydrate was purchased from Riedel-de Haën (Hanover, Germany). Nitric acid was supplied from Carlo Erba Reagenti (Milano, Italy). Ethanol, acetone and other reagents were used in analytical grade. Ultra-purified water (UP) was used for chemical synthesis (Millipore Direct-Q3 UV). All materials and reagents were used without further purification.

, & Kalaycioglu G.D. (2020). Preparation of magnetic nanoparticle integrated nanostructured lipid carriers for controlled delivery of ascorbyl palmitate. MethodsX, 7, 101147.

+ Open protocol

+ Expand

Synthesis and Characterization of NIPAM Hydrogels

Check if the same lab product or an alternative is used in the 5 most similar protocols

N-isopropylAcrylamide (NIPAm, 99%) monomer was purchased from Fisher Scientific and recrystallized for three times in n-hexane (≥97%, Sigma-Aldrich). Acrylamide (AAm, 99%), agarose (low gelling temperature, A4018), poly(ethylene glycol) diacrylate (PEGDA, M_n = 10 000), N, N′-MethylenebisAcrylamide (BIS, ≥99.5%), 2-hydroxy-4′-(2-hydroxyethoxy)−2-methylpropiophenone (Irgacure 2959, photoinitiator, 98%), Rhodamine B, N,N-dimethylacetamide (DMAc, 99%), acryloyl chloride (97%), dimethyl sulfoxide-d6 (99.9 atom% D), and acetone (99.5%) were purchased from Sigma-Aldrich. Deionized water (18.2 MΩ, DirectQ 3 UV, Millipore) was used throughout the experiments.

Hu S., Fang Y., Liang C., Turunen M., Ikkala O, & Zhang H. (2023). Thermally trainable dual network hydrogels. Nature Communications, 14, 3717.

+ Open protocol

+ Expand

Corrosion Study of X80 Steel Electrode

Check if the same lab product or an alternative is used in the 5 most similar protocols

A three-electrode cell setup
was adopted, of which the working electrode
was made of an X80 steel specimen sealed in epoxy resin with an exposed
area of 1 × 1 cm². A silver/silver chloride (saturated
potassium chloride solution) electrode was used as the reference electrode,
and a platinum electrode with an area of 1 × 1 cm² served as the counter electrode. The capacity of the test vessel
is 1 L. Before each testing, the working electrode was ground successively
with 400, 600, 800, 1000, 1200, and 1500 grit silicon carbide paper,
rinsed with distilled water and alcohol, and dried with cold air.
The electrolyte solution was made of sodium chloride dissolved in
ultrapure water (produced by Direct-Q 3 UV, Millipore) with a concentration
of 0.1 or 0.6 mol L^–1 at a temperature of 60 or
20 °C. Both the working electrode and the electrolyte solution
were prepared just before testing to make them fresh. Also, the electrolyte
solution was bubbled with carbon dioxide for at least 3 h to deoxygenate.
The bubbling was then kept at a flow rate of 20 mL min^–1 till the end of the test.

Chen J., Wang X., Ma H., Huo Z, & Wang Y. (2022). Experimental Investigation on Corrosion Behavior of X80 Pipeline Steel under Carbon Dioxide Aqueous Conditions. ACS Omega, 7(7), 6142-6150.

+ Open protocol

+ Expand

Synthesis of Conducting Polymer Composites

Check if the same lab product or an alternative is used in the 5 most similar protocols

All chemicals were used directly without any further purification. Pyrrole (Py) monomer, copper sulfate pentahydrate (CuSO₄·5H₂O) and cetyltrimethyl ammonium bromide (CTAB) were purchased from GENERAL-REAGENT, Titan Scientific Co., Ltd., Shanghai, China. Sulfur powder (S), ferric chloride hexahydrate (FeCl₃·6H₂O), and ethylene glycol (EG) were purchased from Shanghai Sinopharm Chemical reagent Co. Ltd., Shanghai, China. Deionized water was obtained from Direct-Q3 UV, Millipore (Burlington, MA, USA).

Zhang Z., Lv X., Cui G., Sui M., Sun X, & Yu S. (2018). Direct Growth of a Polypyrrole Aerogel on Hollow CuS Hierarchical Microspheres Yields Particles with Excellent Electromagnetic Wave Properties. Polymers, 10(11), 1286.

+ Open protocol

+ Expand

Raman Analysis of X-Ray Irradiated Cells

Check if the same lab product or an alternative is used in the 5 most similar protocols

Cells were seeded on calcium fluoride windows (Crystran Ltd., UK) inside Petri dishes and kept in an incubator at 5% CO₂ and 37 °C for 3 days to promote adhesion and growth. The cell confluence after that time was ca. 70%. Cells were then irradiated with a single fraction of X-rays at a dose rate of ∼2.1 Gy min⁻¹ using a MG325 (250 kV, 10 mA) X-Ray Tube (YXLON, Hamburg, Germany). Cells were irradiated to 10, 30, and 50 Gy. Control cells were left unirradiated. The first set of samples was fixed just after irradiation (0 h) using 3.7% paraformaldehyde in phosphate buffered saline (PBS) for 10 minutes. Other samples were kept in an incubator for 24 and 48 hours and then fixed in the same way. All samples were washed after fixation using PBS (3 times for 2 minutes), PBS/water solutions (2:1, 1:1, 1:2; 2 times for 2 minutes), and pure water (3 times for 2 minutes). Finally, samples were left in the open air over night to dry. All solutions were prepared using ultrapure water (Direct-Q 3 UV, Millipore, USA). The whole experiment (cell culture, irradiation, Raman measurements) was repeated three times.

Roman M., Wrobel T.P., Panek A., Efeoglu E., Wiltowska-Zuber J., Paluszkiewicz C., Byrne H.J, & Kwiatek W.M. (2019). Exploring subcellular responses of prostate cancer cells to X-ray exposure by Raman mapping. Scientific Reports, 9, 8715.

+ Open protocol

+ Expand

Gold Nanoparticle-Based Uric Acid Assay

Check if the same lab product or an alternative is used in the 5 most similar protocols

SulfUric acid and hydrogen peroxide purchased from Pharmco products Inc. Deionized water purified via a Millipore Direct Q 3 UV apparatus. Glass slides of 0.96 to 1.06 mm thickness purchased from Corning Incorporated. Uric acid and 20 nm gold colloids purchased from Sigma-Aldrich (USA, catalog number: 741965: ∼7.2×10¹¹ particles/mL). Silicon isolators composed of 12 wells (30 μL capacity) and targets (57 mm in diameter) purchased from Electron Microscopy Sciences.

Kioko B., Ogundolie T., Adebiyi M., Ettinoffe Y., Rhodes C., Gordon B., Thompson N., Mohammed M., Abel B, & Aslan K. (2014). De-crystallization of Uric Acid Crystals in Synovial Fluid Using Gold Colloids and Microwave Heating. Nano biomedicine and engineering, 6(4), 104-110.

+ Open protocol

+ Expand

Octenidine-Silica Nanocomposite Synthesis

Check if the same lab product or an alternative is used in the 5 most similar protocols

All chemicals were used without further purification. Type 1 ultra-pure water was used at 18.2 MΩ cm produced in our laboratory (Direct-Q 3 UV, Millipore, USA). Octenidine dihydrochloride (OCT) was purchased from TCI America (USA), with purity confirmed by LC-MS (Xevo G2-XS QTof, Waters, USA). Tetramethyl orthosilicate (TMOS) was purchased from Sigma-Aldrich (Oakville, ON, Canada). Hydrochloric acid (6.0 N), sodium chloride, potassium chloride, disodium phosphate, and monopotassium phosphate were purchased from Bioshop Canada Inc. (Burlington, ON, Canada). Anhydrous ethanol was purchased through the University of Toronto MedStore (house brand, Toronto, ON, Canada).

Stewart C., Siu A., Tsui C., Finer Y, & Hatton B. (2022). Rapid Synthesis of Drug-Encapsulated Films by Evaporation-Induced Self-Assembly for Highly-Controlled Drug Release from Biomaterial Surfaces. Journal of materials chemistry. B, 10(34), 6453-6463.

+ Open protocol

+ Expand

Electrochemical Characterization of Inorganic Compounds

Check if the same lab product or an alternative is used in the 5 most similar protocols

KCl, KOH, H₂SO₄, NaClO₄, and 2-propanol were purchased
from Wako Pure Chemical Industries Ltd. NiSO₄, FeSO₄, and (NH₄)₂SO₄ were purchased
from Sigma-Aldrich. All reagents were used without any further purification.
The deionized (DI) water employed in this work was from a Simply-Lab
water system (DIRECT-Q 3 UV, Millipore) with a resistivity of 18.2
MΩ·cm at 25 °C. Experiments were performed at room
temperature (25 °C) in atmospheric pressure, unless stated otherwise.
All of the electrochemical measurements were performed with the assistance
of a potentiostat/galvanostat system (PGSTAT204, Metrohm Autolab).
Ag/AgCl, KCl (sat’d) was set as the reference electrode for
all of the electrochemical measurements in this work.

Du J., Fiorani A., Inagaki T., Otake A., Murata M., Hatanaka M, & Einaga Y. (2022). A New Pathway for CO2 Reduction Relying on the Self-Activation Mechanism of Boron-Doped Diamond Cathode. JACS Au, 2(6), 1375-1382.

+ Open protocol

+ Expand

About PubCompare

Our mission is to provide scientists with the largest repository of trustworthy protocols and intelligent analytical tools, thereby offering them extensive information to design robust protocols aimed at minimizing the risk of failures.

We believe that the most crucial aspect is to grant scientists access to a wide range of reliable sources and new useful tools that surpass human capabilities.

However, we trust in allowing scientists to determine how to construct their own protocols based on this information, as they are the experts in their field.

Ready to get started?

Revolutionizing how scientists
search and build protocols!