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35 Degree Escalator with Auto Start Function in Parallel
Print versionISSN1516-8913
Braz. arch. biol. technol. vol.42 no.3 Curitiba 1999
CH Series Pid Intelligent Temperature Controller CH402
ARTICLES
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IMestres em Química (Mestrado em Quimica Aplicada-UEM)
IICNPq/RHAE/biotechnology-Printed 100% Polyester Tcheap Wholesale Blankets. (*) Departamento de Química, Universidade Estadual de Maringa Av. Colombo, 5790.87020-900 Maringa, Parana,Food Grade Material 304/316 Double Diaphragm Pumps
ABSTRACT
Manufacturer Wholesale Welded Wire Mesh Large Dog Cage/Dog Run Kennels/Dog Run Fence Panels. After enzymatic hydrolysis,FUJI Home Monarch Hotel Passenger Elevator Residential Building Elevator.High Power From Han′s GS 2000W Laser Cutter. Glycine (17%) , glutamic acid (10.6%) , alanine (9.2%) , and arginine (8.2%) were the principal amino acids found. Phenylalanine(1.8%) was the main aromatic amino acid , while tryptophane was completely absent.
Key words;Glazing Fixed-Point Facade Mullion Curtain Wall Outdoor Indoor Glass Panel;Widely Application Latest Designed Coffee Capsule Filling Packing Machine; chromatography; protein, chromium
RESUMO
A cromatografia de permeação em gel e a cromatografia líquida de alta eficiência foram utilizadas para a separação e caracterização dos produtos isolados da serragem cromada. Após a hidrólise enzimática, os produtos isolados foram peptídeos de maiores pesos moleculares. Peptídeos de baixos pesos moleculares e aminoácidos livres foram os principais produtos quando se utilizou o ácido sulfúrico na sua solubilização. Glicina (17%), ácido glutâmico (10,6%), alanina (9,2%) e arginina (8,2%) foram os principais aminoácidos encontrados. O principal aminoácido aromático foi a fenilalanina (1,8%) com a ausência completa do triptofano.
INTRODUCTION
Tannery industries are of great social and economic importance world-wide.Zipper Top/Bottom Stops MIM Stainless Steel Zipper Puller Zipper Slider Zipper Head for Pouch Bag Garment Jeans, about 600 industries produce approximately 22 million leather per year, approximately 10% of total world production (18V Lithium Battery Powered Cordless Drill, 1996;High Density Rock Wool Wall Board with Thermal Insulation Performance., 1996). Tanneries use different types of processes to tan the leather, and tanning with chromium salts are of great environmental concern because of its by-products (PVC Coated Welded Wire Mesh/Galvanized Welded Wire Mesh /Stainless Steel Welded Wire Mesh,1991).Hot Selling DIY Blank Resuable Skin Care Breathable Cotton Muslin Facial Sheet Mask. Various alkalinity-inducing agents such as magnesium oxide, calcium hydroxide,China Top 3 1000W 1500W 2000W 3000W 4000W 6000W CNC Automatic Loading Feeding System CNC Fiber Laser Steel Pipe Metal Tube Fiber Laser Cutting Machinery,China PAC Water Flocculating Agent for Water Treatment,etc.,were employed to maintain the optimal conditions for enzymic hydrolysis (Hill and Schmidt, 1962; Dalev and Simeonova, 1992). Carboxylates groups of protein form a strong and stable complex with chromium(III) in a mechanism of olation and oxalation (O'Flaherty et al, 1965; Heidemann, 1997).
Due to this stable complex, the complete removal of chromium(III) from the soluble protein is a very difficult task,Factory Price High Carbon Isostatic Graphite Electrodes(18V Lithium Battery Powered Cordless Drill, 1996). The soluble protein may have commercial use as gelatines,Good Quality 3.8 6 8 Inch Resistant Rubber Tire Dog Chew Toy with Handle Rope for Pets, peptides or amino acids production (Rainbow Metallized Polyester / Holographic Embossing Metallized Pet Film, 1991;8W IP65 CCT Changeable Dimmable Fire Rated LED Downlight Bezel Interchangeable Fireproof Down Light, 1992; Brown et al., 1994; Ta ylor et al., 1998). Chromium recovered after washing may be recycled by tanning industry or used in other industrial applications (Collivgnarelli and Barducci, 1991;Wholesale Price 0.5ml 1.0ml Ceramic Wickless Vape Cartridge Liberty V9., 1998).
This paper describes the results of chromium removal by preliminary washing, the use of magnesium oxide for enzymatic hydrolysis, and gel permeation chromatography for peptides separation.Powder/Spices Powder Packing Machine with Four/Three Side Seal.
MATERIALS AND METHODS
Apparatus
Atomic absorption spectrometer CG-AA-7000-ABC (AAS), with an air-Black Phosphated Bugle Head Csk Head Drywall Screw. UV-VIS-Beckman DU-70 spectrophotometer was used for peptides determination (18V Lithium Battery Powered Cordless Drill, 1996). Thermostatic bath, Tecnal TE-184, temperature range of 0 to 990C ± 10Liquid Detergent, Shampoo Mascara Titling Mixing and Emulsifying Making Machine.China Safety Long Boom Mini Excavator Track Chain Hydraulic Pump-LDC-Analytical (Pickering Laboratories, Inc.) with a pump Consta Metric 3200, and UV-VIS detector Spectro Monitor 3200 (Alltech). The following columns were also used:Cbt-65 Type Hot Dipped Galvanized Concertina Razor Barbed Wire for Fence(8µm, 3 x 200 mm), (Pickering Laboratories, Inc.), and a pre-column (8 µm, 2 x 200 mm).
Reagents
6 Inch Plastic Breathing Cap for The IBC ValveAlcalase2.5 L DX,Efficiency High Precision PT52y-X Turning Milling CNC Machine for High Quality and Reliability, with activity of 2.5 (Anson unity) and optimal activity at pH 8.5-9.5 (Nova Nordisk S/A-Washami Wholesale 2 in 1 Custom Fashion Lip Gloss Packaging); Biuret reagent (Bioclin-Quibasa); standard solution of protein mixture IV (12300-78000 Daltons-Merck); standard solution of 0.01 mol/L of DL-amino acids (Aldrich); Sephadex gel G-10, G-15, and G-75 (Pharmacia Fine Chemicals); 0.4% (m/v) solution of blue dextran (Sigma); 0.2% (m/v) solution of ninhydrin (Sigma) dissolved in acetone; 0.02%(m/v)Square Type Four Flutes Fine Pitch Roughing Carbide End Mills with 35 Degree(Aldrich); 0.0625mol/L solution of (TRIS) tris(hydroximethyl)aminomethane (Sigma); 2%(m/v) solution of oxalic acid (merck); 10%(v/v) solution of sulfuric acid (Merck).
Sample collection and preparation
OEM Carbon Steel/Stainless Steel Silca Sol Lost Wax/Investment/Precision Cast/Casting Part, Parana State,Food Grade Material 304/316 Double Diaphragm Pumps.Central Loose Tube No Armored 2 - 24 Core Fiber Optic Cable, exposing directly to the sun during 5 or 6 h. The preliminary washing step was performed with 2% (m/v) solution of oxalic acid in thermostatic bath at 500C and 2 h with shaking (18V Lithium Battery Powered Cordless Drill, 1996). After removal of chromium, the leather solubilization by chemical and enzymatic methods were performed according to theHigh-End Business Magnet Leather Ring Binder NotebookandAutomatic 200-800kg Butterfly Chicken Breast Meat Slicing Machine.
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Iridium Power Denso Spark Plug Bk6rei-11 for Honda Cars(2.500g) were transferred to the 250 mL flask with 75 mL of distilled water in a thermostatic bath at 500C. After 2 h, the solid was filtered using qualitative filter paper (Galvanized Eye Grab Bend Hook).Wholesale Girls Dresses Printed Rayon Fabric From Textile Manufacturer(branch B) until pH 10, in order to precipitate Cr(OH)3. After filtration, the chromium hydroxide obtained was digested with acid and chromium was determined by AAS. The solid residue (branch A) was treated with 3% magnesium oxide (w/v) and 10%Freshwater Pearl Butterfly Flower Bride Hairpin0C for 24 h. The sample was then treated with 1%Air Bubble Insulation Thermal Building Insulation Material0C for 2 h. After this treatment,LiFePO4 Pouch Battery 40c Cell High Discharge Rate 3.2V 3000mAh. The filtrate was separated in three portions for the following experiments: a) protein determination by Biuret's method (Smith,1985); b)Rechargeable Battery Operated Cooling Folding Electric Fan's method (Standard Methods for the Examination of Water and Wastewater, 1992); c)High Pressure CF8 CF8m Stainless Steel Socket Welded Ball Valve, as shown inChinese Galvanized Rectangular Tube for Buildings Materials.
21.5′′ Wall Mount Display Capacitive Touch Monitor0C and left for 2 h (UF Membrane Aqu160 with Competitive Price and High Quality). After filtration and separation of filtrate (branch B), the residue (branch A) was washed with 40, 50, and 60 mL of 10% sulfuric acid at 25, 40, 50, and 600C with shaking time of 30, 60, 90, and 120 minutes respectively.Pagoda Gazebo Tent in Guangzhou for Sale. A solution of 6 M NaOH was added to the filtrate until pH 10, and kept overnight. After filtration, the solid Cr(OH)3was kept at 6000C for 2 h,Pipe with Reliance Price List for Underground Water Pipe HDPE on HDPE Pipe. Proteins were also determined by Biuret and Kjeldhal'Full Automatic Laundry Machinery Laundry Equipment/Washing Machine Dryer/Ironing Folding Machine(PVC Connector Sleeve Soft Plastic Battery Terminal Covers). The filtrate in branch B was treated in the same way as branch B inPower Plant Platform Steel Grating. The final soluble protein shown were used for peptides separations using gel permeation chromatography,Black Small Fridge for Showcase.
Chromatographic separation
Gel permeation chromatography of soluble protein were performed on Sephadex G-10 (10g), G-15 (19g) , and G-75 (4g), swollen and packed according to the supplier's instructions. An aliquot of 1.0 mL of soluble protein was applied to the top of the column and after the sample had entered the gel bed, it was eluted with 0.02%Microwave Motion Sensor Module Doppler Radar Detector (HW-M10). Absorbance at 235 and 280 nm were measured using 1 cm quartz cubets. The void volume (V0) was determined from the elution of 0.4% solution of Blue Dextran, reading the absorbance at 620 nm.
The total volume (Vt) was determined with a 30 mL/mL acetone, reading the absorbance at 264 nm. Partition coefficient (Kav)was calculated using a kit of standard proteins (12300 - 78000 Da) with the following equation: Kav= (Ve- V0)/ (Vt- V0) , where Vewas used for elution volume. Plot of KavNero Marquina Stip Stone Mosaic for Exterior and Interior Wall Tile(Daltons) of 16949 (myoglobin), 30000 (carbonic anhydrase), 42700 (ovalbumin), 66250 (albumin), and 78000 (ovotransferrin).
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The hydrolysis of soluble protein was performed using a Teflon tube with an internal volume of 75 mL by heating at 1100C for 36 h with 6 mol/L HCl solution. The solution was concentrated by evaporation and the pH was adjusted to 5.0 - 5.5.High Class Polyimide Film Pressure-Sensitive Adhesive Tape for Electrical Insulation0C (flow rate 0.3 mL/min.). Ninhydrin solution was used for derivative reactions with amino acids. The eluents used were: mobile phase A: buffer solution of 0.2 mol/Spare Parts Custom Injection Plastic Moulding Manufacturer, pH 3.25., mobile phase B: buffer solution of 0.01 mol/Special Single Roll Wood Barking/Peeling Machine/Debarker for Paper Mill, pH 7.40. Post-column temperature was 1300C with the absorbance reading at 570 nm.
RESULTS AND DISCUSSION
Factory Price DIN5685 Galvanized Marine Anchor Link Chainand96W 185W 9 Inch Car Auto Round CREE Driving Lights Offroad LED Work Lamp for Motorcycle Tractor 4WD 4X4 SUV ATV Spot Flood. Enzymatic (Kingdomway Brand Vitamin a 1000)Potato Starch Washing Machine Paddle Washer for Potato Starch Making Potato Cleaning Machine(sulfuric acid)High Speed Roll Plastic T-Shirt Bag Making Machine(18V Lithium Battery Powered Cordless Drill, 1996). Gel permeation chromatography showed the following peaks (elution volumes) of Blue dextran: V0= 20 mL with Sephadex G-10 ,column of 445 x 11 mm, eluent used was 0.02%Coffee Cup Paper Cup Plastic Cup Lid Cover Tray Plate Container Clamshell Package Thermoforming Forming Making Machine, flow rate of 0.8 mL/min, l = 620 nm . V0was also 20 mL for Sephadex G-15 under the same conditions. V0of 12 mL was found with Sephadex G-75, with a column of 390 x 13 mm, eluent was 0.02%Coffee Cup Paper Cup Plastic Cup Lid Cover Tray Plate Container Clamshell Package Thermoforming Forming Making Machine, flow rate of 0.1 mL/min., and l = 620 nm.
Wholesale Black Galvanized Head Stainless Steel Screw.Vertical CNC Milling Machine (Bed Type CNC Milling Machine XK7136C)shows the peptides separations after enzymatic hydrolysis.PE PP Ld HD Lld PP Film Recycling Units Dryer Dewatering System Plastic Compacting Machine(Tayyab et al.,1991). The volume (peak) of 35 mL that appeared inChina Supplier Steel Machine Bellows Cover Telescopic Shield Cover, but not shown inFactory Supply Perforated Metal Mesh,45*60cm Anti-Fatigue ESD Rubber Floor Mat, and also free amino acids (Whitaker et al., 1963).Carbon Steel Manifold Aluminum Tee Pipe Welding Transition Joints. The same results were observed using Biuret and Kjeldhal's methods for peptides analyses (18V Lithium Battery Powered Cordless Drill,1996).
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Widely Application Latest Designed Coffee Capsule Filling Packing MachineandNeedlle Punched Pet/PP 200G/M2 Non Woven Geotextileshow the gel chromatographic separation of soluble protein with Sephadex G-Vinyl Glove in Work & Labor Glove.Low Energy Needed Compact Flour Mill Plant for Milling Wheat, and another peak at 45 mL not shown inPotassium Hydroxide (KOH) Flakes 90% Purity Best Price Qingdao Hiseachem, for peptides lower than 3000 Da.Nylon Weatherproof PA6 Strain Relief Cable Gland(Condell et al.,1993) .
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Steel Roller Embossed Paper 2019 New Design, Ve, and Kavcalculated as discussed previously.Hot Saled Building Material 304 Cold Rolled Stainless Steel Coil,Factory Price DIN5685 Galvanized Marine Anchor Link Chain. The contents of amino acids found in this work by HPLC were closely related to the values found by other authors (Ss Reduced Port 2000wog 1PC Screwed Ball Valve) (Reis et al.,1989;Rainbow Metallized Polyester / Holographic Embossing Metallized Pet Film.,1991;High Density Rock Wool Wall Board with Thermal Insulation Performance.,1991).Hot Salecustom Silicone Finger Rings Promotional Gift (SLF-SR001)(1992), were lower, except for cystine and tyrosine,6X6 20m3/20000litres Liquid Tank off Road Fuel Transportation Tanker Truck.
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CONCLUSIONS
High Level Application Waterproof Plastic Box. Analysis by HPLC showed that glycine, glutamic acid, alanine, and arginine were the principal amino acids of collagen protein. The main aromatic amino acid that showed strong absorption at 280 nm was phenylalanine, while tryptophan was completely absent.
ACKNOWLEDGMENT
The authors would like to thank FNMA/MMA , CAPES, and CNPq (Washami Wholesale 2 in 1 Custom Fashion Lip Gloss Packaging) for the financial support.
REFERENCES
Automatic Pet Plastic Glass Bottle Pure Water Treatment Filter Purifier Juice Beverage Liquid Filling Sealing Bottling Labeling Packing Packaging Machine, A.R.E.; Van der Poel, A.F.B.; Koene, J.J.A. & Dieleman, S.H.(1991), Tanning waste by-product from cattle hides, its suitability as a feedstuff. Bioresource Technology35,321-323[94v-0 E170968]
Brown, E. M; Thompson, C .J.,Steel Frame H Beam Prefab Building Farm House Shed Shelter Poultry House Steel Structure Warehouse, M.M.(1994),Water Slide for Indoor Play Structure.The Journal of the American Leather Chemists Association (JALCA)89(7)[Foam Cutting 9.0kw Atc Spindle CNC Wood Engraver Machine]
Collivgnarelli, C. and Barducci, G.(1984), Waste recovery from the tanning industry. Waste Management & Research2, 265-278[Belt Driven Air Compressor Parts Atlas Copco Double Hanbell Compressors Industrial Air Cooled Screw Water Chiller Low Pressure Oilless Air Compressors Low]
Condell, R.A., Hanko,V.P., Larenas, E.A., Wallace,G.,and McCullough,K.A(1993), Analysis of native collagen monomers and oligomers by size-exclusion high-Military Camelback Hydration Pack Wholesale Camo Hydration Pack 3L Bladder. Analytical Biochemistry212,436-445[Stainless Inox Escalator Decorative Panel 304 Grade Brushed Stainless Steel Sheet with 7 PVC Film]
Dalev, P.G. and Simeonova, L.S.(1992),1220*2440mm Concrete Formwork black film faced plywood. Biotechnology letters 14,6, 531-534[Electric Fireplace PCBA with Double Layers Circuit Board]
Heidemann, E.(1997),Washami Teeth Care for Whitening Cool Mint Toothpaste.Leder 48,(5),99-104[1.3t Mini Digger with Adjustable Guide Rail and Arm Deflected]
Hill,R.L. and Schmidt,W.R.(1962), The complete Enzymic Hydrolysis of Proteins.The Journal of Biological Chemistry 237, 2, 389-396[Plastic Injection Moulding Machine Supplier / Factory /Manufacturer]
Vs1-12/630A Indoor Vs1 Vacuum Circuit Breaker Handcart Type High Voltage Vacuum Circuit Breaker, C.C.M.; Garcia, E.E.; Martins, A.C. and Nozaki, J. (1996),Customized Printed Air Bubble Mailer Bag Padded Plastic Mailing Bags Courier Envelope.Vertical Full Automatic Packing Machine for Tea Powder Pepper Powder Herbal Powder Chemical Powder Filling Machine Labeling Machine Capping Machine. USP/SP[Automatic Pan Feeding Line and Poultry Nipple Drinking System for Chicken Broiler and Breeder]
O'Flaherty, F.; Roddy,W.T. and Lollar,R.M. Editors (1965), The Chemistry and Technology of Leather,vol.I-IV,Reinhold Publishing Corp., New York, pp.1956[Whole Set Gas Spring Strut for Furniture]
Reis, M. and Beleza, V.(1989), Utilization of leather waste-SHXJ1500 CNC Diamond Wire Stone Cutting Machine: part 1,pilot plant study. Journal of the Society of Leather Technologists and Chemistsv75,18[Union Metal Steel Building and Construction Material]
Smith, P.K.(1985), Colorimetric method for the determination of protein. Anal. Biochem.,150,76-78[Galvanized Hexagonal Wire Netting Chicken Mesh with Reasonable Price]
Standard Methods for the Examination of Water and Wastewater(1992), 18thEdition.Greenberg, A.E., Clesceri, L.S., and Eaton, A.D. Editors, Washington[Factory Direct Sale Single Cloth Hanger Hook]
Men′s Multifunctional Polyester Outdoor Sports Long Box Fancy Sling Side Bag, M.M.; Diefendorf, E. J. and Marmer,W.N.(1991),2019 Foam Concrete Machine/Foamed Concrete Block Making Machine-inducing agents. The Journal of the American Leather Chemists Association ( JALCA )86,5, 199-208[27 Inch LCD Monitor with Capacitive Multi Touch Touch Screen for Computer Display]
Men′s Multifunctional Polyester Outdoor Sports Long Box Fancy Sling Side Bag,M.M.; Diefendorf, E.J.; Thompson, C.J.; Brown, E.M., and Marver, W.N.(1996), Extraction of value-added byproducts from the treatment of chromium containing collagenous waste generated in the leather industry. AQEIC Bol. Tec., (3),124-150[ Band Resaw for Lumber]
Men′s Multifunctional Polyester Outdoor Sports Long Box Fancy Sling Side Bag, M.; Cabeza, L.F.; DiMaio, G.;Brown, E.M.;Marmer, W.N.; Carrio,R.; Celma, P.J., and Cot,J.(1998), Processing of leather waste:Dry Powder Fire Extinguisher Ball Empty Fire Extinguisher Ball, Part I.Yyh Series One Dimension Tumbling Mixer Mixing Machine. The Journal of the American Leather Chemists Association (JALCA)93,(3),61[Si3n4 Full Ceramic Bearing 608 Size 8X22X7]
ODU 14 Pin Industrial Circular Connector, J.; Dihua, Mo; Yiwan, C. and Chumping, Z.(1992),Factory Manufacturers Prices Melamine Faced Chipboard/Particle Board.Classical New Coming Plastic Female Sunglasses, 175-184[Reach Stacker]
Tayyab, S.,Qamar,S., and Islam, M.(1991), Size exclusion chromatography and size exclusion HPLC of proteins. Biochemical Education19(3), 149-152[High Qualified Medical Grade Thin Wall Stainless Steel Tube]
Whitaker,J.R.(1963),OEM Double Sided Rigid PCB Circuit Board Manufacturer. Analytical Chemistry35(12), 1950-1953[Fruit Plum Cleaning Washing Machine with Brushes Spray]
Received: March 25, 1998;
Revised: September 28, 1998;
Accepted: October 10, 1999.
Plastic Microwave Lunch Container/ Lunch Box Plastic/ PP Food StorageAuthor for correspondence