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Study of eye drops dispensing and dose variability by using plastic dropper tips.

- June 30, 2022 - Ariana
  1. The application of eye drops from flexible dropper bottles fitted with different types of dropper tips is associated with the high variability of eye drop weights. The aim of this report was to investigate the simultaneous effect of three factors influencing the mean weight of drops dispensing from two plastic dropper tips.
  2. Using a designed experiment (Box-Behnken), the effect of the concentration of benzalkonium chloride solutions (BAC) in the range of 0-0.02%, the dispensing angle from 90 degrees to 30 degrees from horizontal, and the residual volume of liquid in the dropper bottle from 4 to 10 mL on the mean drop weights were examined.
  3. The significant effect of the increase in BAC concentration resulted in a linear decrease in drop weights for both of the dropper tips investigated. The significant effect of the dispensing angle was influenced by the dropper tip design. For the dropper tip A, the effect of the dropper tip tilt was described by the quadratic equation with a minimum, which corresponded to the dispensing angle equal to that of 48 degrees from horizontal.
  4. Below this angle, the increase in drop weights occurred due to the drop formation from the wetted external surface of the tip orifice. The linear decrease in drop weights in response to the decrease in dispensing angle was detected for the dropper tip B. The regression equations and the contour line plots obtained allowed the drop weights to be estimated for the actual combinations of both the BAC concentration and the dispensing angle.
  5. The effect of the residual volume was found to be non-significant. Based on the formula of Tate’s law, the direct proportion between surface tension of a solution and the radius of the effective perimeter of a dropper tip can be used to estimate the theoretical maximal weight of drops at the dispensing angle of 90 degrees .
  6. Using the stalagmometric values of surface tension of the BAC solutions, the maximal drop weights were estimated for both of the dropper tips investigated. A comparison between the theoretical and the experimentally measured drop weights enabled the dropper tips behavior to be discussed by using Harkins and Brown correction factor F.
  7. The F-value of 0.74 noted for the dropper tip A differed from that of stalagmometer F-value (0.61) indicating a deviation from the simple drop formation process in answer to more complicated design of the dropper tip A. On the other hand, the F-value of 0.6 observed for the dropper tip B demonstrated the better consistency with stalagmometry.
  8. As a result, the dropper tip B with the linear decrease of drop weights in response to the increased concentration of BAC and the decreased dispensing angle without the adverse external drop Plastic bottles  formation could be recommended in real drop dispensing.

Tableting and stability evaluation of enteric-coated omeprazole pellets.

  • In this study, fluidized-bed manufactured enteric-coated omeprazole pellets were compressed into tablets. The stability of the pellets and those of compressed tablets were evaluated for remaining omeprazole and for degradation products under an accelerated stability protocol. The data were analyzed using the artificial neural network (ANN) and analysis of variance (ANOVA).
  • It was found that enteric-coated omeprazole pellets could be compressed into quickly disintegrating tablets using microcrystalline cellulose granules as the pressure absorbing matrix.
  • The ANN, using the multilayer perceptron model, predicted that there was a positive correlation between tablet crushing strength and microcrystalline cellulose concentration.
  • Microcrystalline cellulose matrix showed a strong plastic deformation and all the pellets inside the tablet maintained their integrity with no significant change in their surface properties.
  • Omeprazole degradation in acid medium was mainly dependent on microcrystalline cellulose concentration. A 90-day accelerated stability test in brown glass bottles with a desiccant showed that all prototype formulations would result in an acceptable stability profile for both remaining omeprazole, and also for the increase of impurity concentrations.
Brown Bottle 1000ml
Brown Bottle 1000ml

Studies on the light transmittance of coloured plastic bottles for liquid pharmaceutical preparations. Part 43: Contributions to problems concerning the use of plastic containers for liquid pharmaceutical preparations (author’s transl)

  1. To assess the light transmittance of coloured plastic bottles, studies were made using the photographic paper method and a spectrophotometric technique. According to its sensitivity between 400 and 500 nm, the photographic paper gives information as to this wavelength range, directional radiation and scattered light being covered.
  2. In contrast to this, the spectrophotometric method yields discriminating information on the wavelength range between 200 and 800 nm. Apart from a minimum transmittance up to 500 nm, the coloured plastic bottles should have a high transmittance greater than 700 to ensure high transparency.
  3. Of the dyes tested, Pigment Orange and Chromeophthal Brown give the plastic bottles light-protecting properties 4 years’ storage, both of these dyes show changes in the light-protecting properties by which the light transmittance of plastic bottles coloured with them is increased. When these dyes are used in adequate concentrations, this increase in light transmittance will remain within allowable limits, provided direct solar radiation be avoided.

Stability of Hydromorphone-Ketamine Solutions in Glass Bottles, Plastic Syringes, and IV Bags for Pediatric Use.

  • To evaluate the stability of mixtures of hydromorphone and ketamine in 0.9% sodium chloride (normal saline [NS]) after storage for up to 7 days at room temperature (25°C).
  • The stability of 3 standard mixtures of hydromorphone and ketamine (hydromorphone 0.2 mg/mL + ketamine 0.2 mg/mL, hydromorphone 0.2 mg/mL + ketamine 0.6 mg/mL, and hydromorphone 0.2 mg/mL + ketamine 1.0 mg/mL) in NS was studied. Portions of each mixture were transferred to 3 brown glass bottles (100 mL), 3 plastic syringes (50 mL), and 3 IV bags (50 mL), which were then stored at room temperature (25°C). Physical characteristics, including pH, colour, and precipitation, were evaluated daily. Three 1.5-mL samples were collected from each bottle, syringe, and IV bag at baseline, at 24, 48, and 72 hours, and on day 7.
  • Samples were analyzed in triplicate by a stability-indicating high-performance liquid chromatography method. Solutions were considered stable if they maintained 90% of the initial concentration of each drug. Samples from syringes and IV bags were subjected to standard sterility testing by incubation for 5 days in an enriched culture media.
  • No notable changes in pH or colour were observed, and no precipitation occurred in any of the solutions. All formulations maintained more than 90% of the initial concentration of each drug on day 7. No bacterial growth was observed in any of the samples tested.

Flugs® - Plastic Fly Bottles
49-100 Genesee Scientific 1000 Flugs/Unit

Droso-Plugs®, Plastic Bottles
59-194P Genesee Scientific 2560 Plugs/Unit

Duran Bottles 100Ml Plastic coat - PK10
F94003 Scientific Laboratory Supplies PK10

Plastic bottles 250ml supply/waste - PK2
WAT4842 Scientific Laboratory Supplies PK2

Flystuff (59-194P) Droso-Plugs Cap for Plastic Bottles - PK2560
FLY1094 Scientific Laboratory Supplies PK2560

Disposable Meat Sample Plastic tubes with caps (5 ml) (1000/pk)
MST5-1000 Alpha Diagnostics 1 pk

Corning 1L Square Polycarbonate Storage Bottles with 45mm Caps - PK24
431433 Scientific Laboratory Supplies PK24

Corning 150mL Square Polycarbonate Storage Bottles with 45mm Caps - PK24
431430 Scientific Laboratory Supplies PK24

Corning 250mL Square Polycarbonate Storage Bottles with 45mm Caps - PK24
431431 Scientific Laboratory Supplies PK24

Corning 500mL Square Polycarbonate Storage Bottles with 45mm Caps - PK24
431432 Scientific Laboratory Supplies PK24

Corning 1L Easy Grip Polystyrene Storage Bottles with 45mm Caps - PK24
430518 Scientific Laboratory Supplies PK24

Corning 250mL Easy Grip Polystyrene Storage Bottles with 45mm Caps - PK24
430281 Scientific Laboratory Supplies PK24

Corning 500mL Easy Grip Polystyrene Storage Bottles with 45mm Caps - PK24
430282 Scientific Laboratory Supplies PK24

Corning 150mL Easy Grip Polystyrene Storage Bottles with 45mm Caps - PK24
431175 Scientific Laboratory Supplies PK24

Costar 1L Traditional Style Polystyrene Storage Bottles with 45mm Caps - PK12
8396 Scientific Laboratory Supplies PK12

Costar 125mL Traditional Style Polystyrene Storage Bottles with 45mm Caps - PK24
8388 Scientific Laboratory Supplies PK24

Centrifuge tubes, plastic, with round bottom, 50 ml
CD04-R50P PHOENIX PEPTIDE 50 ml

Disposable Meat Sample Plastic tubes with caps (5 ml) (250/pk)
MST5-250 Alpha Diagnostics 1 pk

Reagent Bottle Clear Narrow neck with plastic stopper 100ml - PK10
BOT2136 Scientific Laboratory Supplies PK10

Reagent Bottle Clear Narrow neck with plastic stopper 250ml - PK10
BOT2138 Scientific Laboratory Supplies PK10

Reagent Bottle Clear Narrow neck with plastic stopper 50ml - PK10
BOT2140 Scientific Laboratory Supplies PK10

Reagent Bottle Amber Narrow neck with plastic stopper 100ml - PK10
BOT2150 Scientific Laboratory Supplies PK10

Reagent Bottle Amber Narrow neck with plastic stopper 250ml - PK10
BOT2152 Scientific Laboratory Supplies PK10

Reagent Bottle Amber Narrow neck with plastic stopper 500ml - PK10
BOT2154 Scientific Laboratory Supplies PK10

Reagent Bottle Amber Narrow neck with plastic stopper 50ml - PK10
BOT2156 Scientific Laboratory Supplies PK10

DURAN protect Laboratory bottle with DIN thread plastic coated GL 25 without cap and without pouring ring 10 ml - PK10
BOT1190 Scientific Laboratory Supplies PK10

SCREW CAPS WITH "O" RINGS. BROWN
SCO-BR CORNING 500/pk

Pyrex WM Bottles with Cap and Ring - 250mL - PK10
152306 Scientific Laboratory Supplies PK10

Disposable Sterile Media Bottles - 50 ml
PW1277-1X100NO EWC Diagnostics 1 unit

Disposable Sterile Media Bottles - 50 ml
PW1277-1X50NO EWC Diagnostics 1 unit

LCP EZ-Cut films (50 pieces, with liners)
MLCP-EZCTF-50 MiTeGen 50 FILMS

Bottles 2L Nalgene with Quick Connect
BTLN52 Next Advance 2pack

Bottle Duran Plastic Coat 1L W/out Cap - EACH
2180554 Scientific Laboratory Supplies EACH

Bottles Cf 250 Ml Pc +Cap - PK4
3140-0250 Scientific Laboratory Supplies PK4

Pump Sampler Set with Glass Bottles - EACH
SAM1517 Scientific Laboratory Supplies EACH

Bottle Duran Plastic Coated 5L. - EACH
2180573 Scientific Laboratory Supplies EACH

Bottle Pyrex Plastic Coat 10Ltr - EACH
1518/18 Scientific Laboratory Supplies EACH

Reagent Bottle Plastic Coated 2L - PK10
151812 Scientific Laboratory Supplies PK10

Plastic Bottle, Wide Neck, 125ml, Natural
B003N-125 Bio Basic 10, 10UNIT

Plastic Bottle, Wide Neck, 15ml, Natural
B003N-15 Bio Basic 10, 10UNIT

Plastic Bottle, Wide Neck, 250ml, Natural
B003N-250 Bio Basic 10, 10UNIT

Plastic Bottle, Wide Neck, 30ml, Natural
B003N-30 Bio Basic 10, 10UNIT

Plastic Bottle, Wide Neck, 500ml, Natural
B003N-500 Bio Basic 5UNIT

Plastic Bottle, Wide Neck, 70ml, Natural
B003N-70 Bio Basic 10, 10UNIT

Bottle Azlon PPR Brown 150ml - PK10
BOT3382B Scientific Laboratory Supplies PK10

Pump Sampler Set with 12 x PE Bottles 150ml - EACH
SAM1521 Scientific Laboratory Supplies EACH

Pump Sampler Set with 5 x PE Bottles 250ml - EACH
SAM1522 Scientific Laboratory Supplies EACH

DURAN protect Laboratory bottle plastic coated GL 45 10000 ml - EACH
BOT1236 Scientific Laboratory Supplies EACH

DURAN protect Laboratory bottle plastic coated GL 45 15000 ml - EACH
BOT1238 Scientific Laboratory Supplies EACH

DURAN protect Laboratory bottle plastic coated GL 45 20000 ml - EACH
BOT1240 Scientific Laboratory Supplies EACH

100ml Clear PET Plastic Sirop Bottle - EACH
100MLCPET Scientific Laboratory Supplies EACH

Plastic Bottle, Wide Neck, Sterile, 125ml, Natural
B003N-S125 Bio Basic 10, 10UNIT

Plastic Bottle, Wide Neck, Sterile, 15ml, Natural
B003N-S15 Bio Basic 10, 10UNIT

Plastic Bottle, Wide Neck, Sterile, 250ml, Natural
B003N-S250 Bio Basic 10, 10UNIT

Plastic Bottle, Wide Neck, Sterile, 30ml, Natural
B003N-S30 Bio Basic 10, 10UNIT

Plastic Bottle, Wide Neck, Sterile, 500ml, Natural
B003N-S500 Bio Basic 5UNIT

Plastic Bottle, Wide Neck, Sterile, 70ml, Natural
B003N-S70 Bio Basic 10, 10UNIT

Media bottles 500 ml petg - PK70
Z377058-1CS Scientific Laboratory Supplies PK70

MiniVac Plastic Tubing Instrument to Bottle Lid - EACH
ARG1242 Scientific Laboratory Supplies EACH

Bottles Nalgene 500 Ml - PK16
2107-0016 Scientific Laboratory Supplies PK16

Bottles Cent Pc 500 Ml - PK4
3140-0500 Scientific Laboratory Supplies PK4

White Mob Caps in Plastic Bags - PK100
SAF9580 Scientific Laboratory Supplies PK100

Duran Bottles 1000ml No Cap - PK10
F93990 Scientific Laboratory Supplies PK10

Bottles Amber Hdpe 125 Ml Nn - PK12
2004-0004 Scientific Laboratory Supplies PK12

Low, 6 bottles
QCHGB-1 RNA Medical each

Adapter 250 mL bottles high-cap - EACH
E5920717006 Scientific Laboratory Supplies EACH

1000 mL Polystyrene Storage Bottles, Neck Size 45 mm, Sterile, 1/pk, 12/cs
344021 NEST Biotechnology 12 pcs/cs

Flat One Piece Moulded Plastic Lid to suit 1 Litre Capacity Bath - EACH
BAT7278 Scientific Laboratory Supplies EACH

Flat One Piece Moulded Plastic Lid to suit 3 Litre Capacity Bath - EACH
BAT7280 Scientific Laboratory Supplies EACH

Flat One Piece Moulded Plastic Lid to suit 6 Litre Capacity Bath - EACH
BAT7282 Scientific Laboratory Supplies EACH

Flat One Piece Moulded Plastic Lid to suit 12 Litre Capacity Bath - EACH
BAT7284 Scientific Laboratory Supplies EACH

Flat One Piece Moulded Plastic Lid to suit 30 Litre Capacity Bath - EACH
BAT7286 Scientific Laboratory Supplies EACH

High, 6 bottles
QCHGB-3 RNA Medical each

Solution Basin, 55 mL Capacity, White, 50 pieces/CS
42734050-1 Glycomatrix 50 Piece(s)

Normal, 6 bottles
QCHGB-2 RNA Medical each

Bottles Wash W/M Ldpe 500 Ml - PK4
2402-0500 Scientific Laboratory Supplies PK4

Droso-Filler, Bottles
59-170 Genesee Scientific 1 Filler/Unit

Bottle Amber Lab Bottles 500ml - PK10
218064406 Scientific Laboratory Supplies PK10

Bottles N/M Amber 30 Ml Nalgene - PK72
2004-0001 Scientific Laboratory Supplies PK72

Adapter tubes/ bottles/ plates - PK2
E5910751001 Scientific Laboratory Supplies PK2

Nalgene narrow-mouth boston round bottles HDPE with PP closure bulk pack - PK50
312002-0032 Scientific Laboratory Supplies PK50

4oz Clear Bottles - PK80
BP4OZC Scientific Laboratory Supplies PK80

Rack For 9 Bottles 2000ml - EACH
WAS6164 Scientific Laboratory Supplies EACH

Rack For 16 Bottles 1000ml - EACH
WAS6166 Scientific Laboratory Supplies EACH

BROWN LOOPED SCREW CAPS WITH "O" RINGS. FITS 0.5ML, 1.5ML AND 2.0ML TUBES
SCO-LP-BR CORNING 500/pk

FiveGo sample bottles - PK4
PHM0033 Scientific Laboratory Supplies PK4

Corning Storage Bottles 250ml - PK12
BOT8390 Scientific Laboratory Supplies PK12

Corning Storage Bottles 500ml - PK12
BOT8393 Scientific Laboratory Supplies PK12

Mycoprep 75Ml Bottles - PK10
240862 Scientific Laboratory Supplies PK10

Rack For 20 Bottles 500ml - EACH
WAS6168 Scientific Laboratory Supplies EACH

Rack For 44 Bottles 100ml - EACH
WAS6172 Scientific Laboratory Supplies EACH

Spray bottle with air spray - 50 mL - EACH
DD670885 Scientific Laboratory Supplies EACH

Pen for Azlon Bottles - PK2
BOT9173 Scientific Laboratory Supplies PK2

Plastic Syringe (1 mL) (pk 50)
NISYR-PL-50 Westburg each

Bottles Boston PC 500mL - PK12
BOT0350 Scientific Laboratory Supplies PK12

Bottles Boston PC 1000mL - PK12
BOT0352 Scientific Laboratory Supplies PK12

Heat Extractor with Plastic Knob
IMS006 ScyTek Laboratories 1 ea.

Sample Bottles Undosed Sterile Green Cap 1000ml - PK56
WAT5624 Scientific Laboratory Supplies PK56

50 ml Tube Storage Boxes, Plastic
B619 ABM 5/pack

Nalgene Square Media Bottles PETG with HDPE closures in shrink wrapped trays. sterile. - PK280
342020-0030 Scientific Laboratory Supplies PK280

Bottles Powder Clear 250ml - PK42
BP250C Scientific Laboratory Supplies PK42

Powder Bottles 30ml Clear - PK80
BP30C80 Scientific Laboratory Supplies PK80

Sample Bottles Undosed Sterile Green Cap 500ml - PK84
WAT5614 Scientific Laboratory Supplies PK84

Pack of 2 suction bottles 100ml - PK2
WAT4874 Scientific Laboratory Supplies PK2

Honey Jar 375ml with Plastic Cap Sterile - PK100
CON7774 Scientific Laboratory Supplies PK100

Biological Stain Kit, 5 Bottles
43320000-1 Glycomatrix 1 PK(s)

Reagent Bottles Amber 500ml - PK10
BOT53080A Scientific Laboratory Supplies PK10

Droso-filler For Bottles - EACH
FLY1282 Scientific Laboratory Supplies EACH

Sample Bottles Undosed Sterile Green Cap 250ml - PK140
WAT5604 Scientific Laboratory Supplies PK140

Sample Bottles Non Sterile Undosed Red Cap 1000ml - PK56
WAT5626 Scientific Laboratory Supplies PK56

60ml HDPE Nalgene Bottles - PK1000
3121890002 Scientific Laboratory Supplies PK1000

500 ml Glass Bottle with cap
B603 ABM Set of 5

Nalge Nn Bottles ppr 4ltr - PK6
2203-0010 Scientific Laboratory Supplies PK6

Rack For 48 Bottles 50ml - EACH
WAS6174 Scientific Laboratory Supplies EACH

Sample Bottles EDTA Dosed Sterile White Cap 1000ml - PK56
WAT5622 Scientific Laboratory Supplies PK56

250ml Adaptors Conical Bottles - PK2
E5825741005 Scientific Laboratory Supplies PK2

Bottles Sod Thio Dosed 18mg/L St. Blue Cap 1000ml - PK56
WAT5620 Scientific Laboratory Supplies PK56

Bottles Sod Thio Dosed 180mg/L St. Blue Cap 1000ml - PK56
WAT5621 Scientific Laboratory Supplies PK56

Sample Bottles Non Sterile Undosed Red Cap 500ml - PK84
WAT5616 Scientific Laboratory Supplies PK84

Nalgene Bottle Rack for 8x500ml Bottles - EACH
BOT8940 Scientific Laboratory Supplies EACH

Sample Bottles Non Sterile Undosed Red Cap 250ml - PK140
WAT5606 Scientific Laboratory Supplies PK140

Sample Bottles EDTA Dosed Sterile White Cap 500ml - PK84
WAT5612 Scientific Laboratory Supplies PK84

Tube Culture With Svl Plastic - PK40
B99485 Scientific Laboratory Supplies PK40

FoggerJET™ (with plastic Tank set)
PLA005-1NO EWC Diagnostics 1 unit

Bottles Sod Thio Dosed 18mg/L St. Blue Cap 500ml - PK84
WAT5610 Scientific Laboratory Supplies PK84

Bottles Sod Thio Dosed 180mg/L St. Blue Cap 500ml - PK84
WAT5611 Scientific Laboratory Supplies PK84

Sample Bottles EDTA Dosed Sterile White Cap 250ml - PK140
WAT5602 Scientific Laboratory Supplies PK140

South American FBS Serum 500ml Bottles - 500ML
35-079-CV Scientific Laboratory Supplies 500ML

M-Vac Jr. PP Barbed Cap for 2L Bottles Red. - EACH
ARG1300 Scientific Laboratory Supplies EACH

Boston Bottles 8ml nm HDPE - PK1500
322002-9025 Scientific Laboratory Supplies PK1500

Bottles square narrow PC 2000mL - PK6
BOT0360 Scientific Laboratory Supplies PK6

BottleS Sod. Thio Dosed 18mg/L St. Blue Cap 250ml - PK140
WAT5600 Scientific Laboratory Supplies PK140

Bottles Sod. Thio Dosed 180mg/L St. Blue Cap 250ml - PK140
WAT5601 Scientific Laboratory Supplies PK140

Bottles square narrow PC 250mL - PK24
BOT0354 Scientific Laboratory Supplies PK24

Bottles square narrow PC 500mL - PK12
BOT0356 Scientific Laboratory Supplies PK12

Bottles square narrow PC 1000mL - PK12
BOT0358 Scientific Laboratory Supplies PK12

Staining Dish with Cover Plastic - EACH
X24085 Scientific Laboratory Supplies EACH

Flystuff (59-194) Droso-Plugs Cap for Bottles - PK1536
FLY1202 Scientific Laboratory Supplies PK1536

Amber N/M Bottles Ppr 7.5Ml - PK12
2004-9025 Scientific Laboratory Supplies PK12

Pouring Ring For Simax Bottles - PK10
2070POUR Scientific Laboratory Supplies PK10

HDPE Bottles Narrow Mouth 30mL - PK1000
312002-0001 Scientific Laboratory Supplies PK1000

HDPE Bottles Narrow Mouth 60mL - PK1000
312002-0002 Scientific Laboratory Supplies PK1000

8-strip Plastic Comb, Compatible with 503711&503761, Sterile, 2/pk, 50/box, 500/
509261 NEST Biotechnology 500 pcs/cs

Nalgene Rectangular Amber HDPE Bottles 500ml - PK48
2009-0016 Scientific Laboratory Supplies PK48

Wide mouth wash bottles safety labeled
Z423106-1PAK Scientific Laboratory Supplies PK6

Wide mouth wash bottles safety labeled
Z423122-1PAK Scientific Laboratory Supplies PK6

Wide mouth wash bottles safety labeled
Z423149-1PAK Scientific Laboratory Supplies PK6

Wide mouth wash bottles safety labeled
Z423335-1PAK Scientific Laboratory Supplies PK6

8-strip Plastic Comb, Compatible with 503711&503761, Non-Sterile, 2/pk, 50/box,
509211 NEST Biotechnology 500 pcs/cs

Bottle Top Dispenser 5-50 ml, with Adapter GL 25-45
LHD-V5P PHOENIX PEPTIDE 5-50ml

Stuart Rotisserie for 7x40mm Bottles - EACH
OVE3352 Scientific Laboratory Supplies EACH

Stuart Rotisserie for 2x75mm Bottles - EACH
OVE3354 Scientific Laboratory Supplies EACH

L.J. Medium Slant in thick glass bottles
SL001T-10SL EWC Diagnostics 1 unit

L.J. Medium Slant in thick glass bottles
SL001T-25SL EWC Diagnostics 1 unit

Bottles HDPE NM Low Particulate 1L - PK24
BOT1130 Scientific Laboratory Supplies PK24

Safety Labeled Wash Bottles, Saline Solution
43320027-1 Glycomatrix 1 PK(s)

Drechsel bottles heads Sinter 24/29 - EACH
8SDHS25/3/1 Scientific Laboratory Supplies EACH

Rayon Balls X-large For Bottles - PK1000
FLY1270 Scientific Laboratory Supplies PK1000

Germanium Pieces max. 2 cm (50 Ohm cm)
GX2202-GX2202100g Glentham Life Sciences GX2202-100g

Germanium Pieces max. 2 cm (50 Ohm cm)
GX2202-GX220210g Glentham Life Sciences GX2202-10g

Germanium Pieces max. 2 cm (50 Ohm cm)
GX2202-GX220250g Glentham Life Sciences GX2202-50g

Pallet Knife with Plastic Handle 100mm - EACH
SAM1325 Scientific Laboratory Supplies EACH

Pallet Knife with Plastic Handle 200mm - EACH
SAM1326 Scientific Laboratory Supplies EACH

Pallet Knife with Plastic Handle 300mm - EACH
SAM1327 Scientific Laboratory Supplies EACH

Bottles HDPE NM Low Particulate 250mL - PK72
BOT1126 Scientific Laboratory Supplies PK72

Bottles HDPE NM Low Particulate 500mL - PK48
BOT1128 Scientific Laboratory Supplies PK48

Gallium Pieces, 99.9999%
GX1351 Glentham Life Sciences 10g

Bismuth Pieces, 99.9999%
GX4649 Glentham Life Sciences 50g

Gallium Pieces, 99.99999%
GX9105 Glentham Life Sciences 10g

Gallium Pieces, 99.9999%
GX1351-10 Glentham Life Sciences 10

Gallium Pieces, 99.9999%
GX1351-100 Glentham Life Sciences 100

Gallium Pieces, 99.9999%
GX1351-50 Glentham Life Sciences 50

Bismuth Pieces, 99.9999%
GX4649-250 Glentham Life Sciences 250

Bismuth Pieces, 99.9999%
GX4649-50 Glentham Life Sciences 50

Gallium Pieces, 99.99999%
GX9105-10 Glentham Life Sciences 10

Gallium Pieces, 99.99999%
GX9105-100 Glentham Life Sciences 100

Gallium Pieces, 99.99999%
GX9105-50 Glentham Life Sciences 50

DURAN(R) PRESSURE PLUS BOTTLES VOLUME - PK10
Z742281-10EA Scientific Laboratory Supplies PK10

Wide mouth wash bottles safety labeled - PK6
Z423092-1PAK Scientific Laboratory Supplies PK6

Antimony Pieces, 99.9999%
GX8733 Glentham Life Sciences 25g

Antimony Pieces, 99.9999%
GX8733-25 Glentham Life Sciences 25

Antimony Pieces, 99.9999%
GX8733-250 Glentham Life Sciences 250

Antimony Pieces, 99.9999%
GX8733-50 Glentham Life Sciences 50

Duran Stirred Reactor for 250mL Bottles - EACH
BOT1138 Scientific Laboratory Supplies EACH

Water Sampling Bottles HDPE 500ml Dosed - PK100
WAT5512 Scientific Laboratory Supplies PK100

Indium Pieces, 99.999%
GX0999 Glentham Life Sciences 25g

Indium Pieces, 99.999%
GX0999-100 Glentham Life Sciences 100

Indium Pieces, 99.999%
GX0999-25 Glentham Life Sciences 25

ELISA Microplate Washer Automated (#MPW-30) bottle set (3 bottles and cap assembly)
MPW-30-SET Alpha Diagnostics 1

Support stand with plastic convertor clamp - EACH
HOM2662 Scientific Laboratory Supplies EACH

Bismuth Pieces, 99.999%
GX2132 Glentham Life Sciences 50g

Bismuth Pieces, 99.999%
GX2132-1 Glentham Life Sciences 1

Bismuth Pieces, 99.999%
GX2132-250 Glentham Life Sciences 250

Bismuth Pieces, 99.999%
GX2132-50 Glentham Life Sciences 50

Plastic tuberculine syringe with drain tube - EACH
WAT4836 Scientific Laboratory Supplies EACH

Antimony Pieces, 99.999%
GX7845 Glentham Life Sciences 25g

Antimony Pieces, 99.999%
GX7845-100 Glentham Life Sciences 100

Antimony Pieces, 99.999%
GX7845-25 Glentham Life Sciences 25

Antimony Pieces, 99.999%
GX7845-500 Glentham Life Sciences 500

Water Sampling Bottles HDPE 250ml Undosed - PK312
WAT5500 Scientific Laboratory Supplies PK312

Water Sampling Bottles HDPE 500ml Undosed - PK100
WAT5510 Scientific Laboratory Supplies PK100

Gallium Pieces,
GX4776 Glentham Life Sciences 10g

Gallium Pieces,
GX4776-10 Glentham Life Sciences 10

Gallium Pieces,
GX4776-100 Glentham Life Sciences 100

Gallium Pieces,
GX4776-50 Glentham Life Sciences 50

Plastic syringe 30ml with tube and clip - EACH
WAT4838 Scientific Laboratory Supplies EACH

Germanium Pieces max. 2 cm (50 Ohm cm); 99.9999+%
GX2202 Glentham Life Sciences 10g

South American FBS Serum Heat Inactivated 500ml Bottles - 500ML
35-089-CV Scientific Laboratory Supplies 500ML

50 mL Serological Pipette, Individually Plastic-plastic Warpped, Sterile, 100/pk
329003 NEST Biotechnology 600 pcs/cs

DeepWell Plate (96 square well, 2.0 ml), 115 pieces
IN845-FX-8500115 Westburg each

250 mL Polystyrene Storage Bottles, Neck Size 45 mm, Sterile, 1/pk, 24/cs
342021 NEST Biotechnology 24 pcs/cs

500 mL Polystyrene Storage Bottles, Neck Size 45 mm, Sterile, 1/pk, 24/cs
343021 NEST Biotechnology 24 pcs/cs

150 mL Polystyrene Storage Bottles, Neck Size 45 mm, Sterile, 1/pk, 24/cs
346021 NEST Biotechnology 24 pcs/cs

Water Sampling Bottles HDPE 250ml Dosed Water Sampling Bottle - PK312
WAT5502 Scientific Laboratory Supplies PK312

Plungers for the supply/waste bottles x 2 - PK2
WAT4844 Scientific Laboratory Supplies PK2

Strontium Pieces max. 20 mm, under argon, coated with oil, Ba max. 1%, 99%
GX0588 Glentham Life Sciences 100g

Strontium Pieces max. 20 mm, under argon, coated with oil, Ba max. 1%, 99%
GX0588-100 Glentham Life Sciences 100

DeepWell Plate (96 square well, 2.0 ml), 25 pieces
IN845-FX-8500025 Westburg each

Square bottle 500 mL sterile with septum cap Nalgene - PK40
DD29554 Scientific Laboratory Supplies PK40

Multi-Level, 2 bottles each level (Low, Normal, High)
QCHGB RNA Medical each

hybex Media Storage Bottle 2000mL w/ Assorted Caps - PK5
BOT1905 Scientific Laboratory Supplies PK5

VOL FLASK,10ML,PLASTIC,CLASS A,PFA,WITH GL-18 SCREW CAP,1/6
5650P-10 CORNING 1/pk

VOL FLASK,100ML,PLASTIC,CLASS A,PFA, WITH GL-18 SCREW CAP,1/6
5650P-100 CORNING 1/pk

VOL FLASK,25ML,PLASTIC,CLASS A,PFA, WITH GL-18 SCREW CAP,1/6
5650P-25 CORNING 1/pk

VOL FLASK,250ML,PLASTIC,CLASS A,PFA, WITH GL-25 SCREW CAP,1/5
5650P-250 CORNING 1/pk

VOL FLASK,50ML,PLASTIC,CLASS A,PFA, WITH GL-18 SCREW CAP,1/6
5650P-50 CORNING 1/pk

VOL FLASK,500ML,PLASTIC,CLASS A,PFA, WITH GL-25 SCREW CAP,1/4
5650P-500 CORNING 1/pk

Wash bottle carrier pp holds up to 6 8 oz or 16oz bottles - EACH
Z408514-1EA Scientific Laboratory Supplies EACH
Mixtures of hydromorphone and ketamine were stable for up 7 days at 25°C, and the sterility of the preparations was maintained. Because stability alone does not guarantee efficacy, it is recommended that clinical studies be conducted to evaluate the pharmacokinetics and pharmacodynamics of these formulations.

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