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  4. PLGA (75:25)

PLGA (75:25)  (Synonyms: poly(lactic-co-glycolic acid) (75:25))

製品番号: HY-B2247A Assay: 99.54%
COA 取扱説明書 Technical Support

PLGA (75:25) is a low toxicity, biocompatible and biodegradable controlled drug delivery carrier, can achieve slow release in the organism. PLGA (75:25) is a copolymer of 75% poly lactic acid (PLA) and 25% poly glycolic acid (PGA). PLGA (75:25) has been extensively studied as delivery vehicles for agents, proteins and various other macromolecules such as DNA, RNA and peptides.

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PLGA (75:25)

PLGA (75:25) 構造式

CAS 番号 : 34346-01-5

容量 価格（税別） 在庫状況 数量
>無料サンプル (0.1 - 0.2 mg)   今すぐ申し込む  
100 mg $50 在庫あり
500 mg $120 在庫あり
1 g $200 在庫あり
5 g $440 在庫あり
10 g   お問い合わせ  
50 g   お問い合わせ  

* アイテムを追加する前、数量をご選択ください

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Based on 6 publication(s) in Google Scholar

Other Forms of PLGA (75:25):

PLGA (75:25) 関連抗体

Top Publications Citing Use of Products

  • 生物活性

  • 純度とドキュメンテーション

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製品説明

PLGA (75:25) is a low toxicity, biocompatible and biodegradable controlled drug delivery carrier, can achieve slow release in the organism. PLGA (75:25) is a copolymer of 75% poly lactic acid (PLA) and 25% poly glycolic acid (PGA). PLGA (75:25) has been extensively studied as delivery vehicles for agents, proteins and various other macromolecules such as DNA, RNA and peptides[1][2][3].

体外実験

PLGA (75:25) (0.03-5 mg/mL; 72 h) only affects the viability of Calu-3 cells at concentrations that are too high for clinical use[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

PLGA (75:25) 関連抗体

Cell Viability Assay[1]

Cell Line: Calu-3 cells
Concentration: 0.03-5 mg/mL (for PLgA (75:25)/PVA and PLgA (75:25)/CS); 3-5 mg/mL (for PLgA (75:25)/CS and PLgA (75:25)/PF68); 0.03-1 mg/mL (for PLgA (75:25)/PVA and PLgA (75:25)/PF68) (CS (chitosan), PF68 and PVA (poly vinyl alcohol) serve as cationic stabilizer)
Incubation Time: 72 h
Result: Showed low toxicity to cells (cell viability was always higher than 50%) even at the highest concentration tested, when xposured to PLgA (75:25)/PVA, PLgA (75:25)/CS and PLgA (75:25)/PF68 nanoparticles.
Increased cell viability, after short exposure (4 hours) to PLGA/PF68 nanoparticles.
体内実験

PLGA (75:25) (40 mg/kg Risperidone (PLGA (75:25) as a drug delivery carrier); s.c.; single) shows a good activity of sustained drug release for 45 days[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Male Sprague-Dawley rats[2].
Dosage: 40 mg/kg (dose of Risperidone, PLGA (75:25) as a drug delivery carrier).
Administration: Subcutaneous injection; single.
Result: Achieved slow release in vivo: after an initial burst, a sharp drop occurred and the drug levels through day 22 remained in a steady manner while progressing to a decline up to day 45.
CAS 番号
Appearance

Solid

Color

White to off-white

SMILES

O=C(O)C(C)OC(CO[H])=O.[x].[y]
輸送条件

Room temperature in continental US; may vary elsewhere.
保管条件
Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
溶剤 & 溶解度
体外: 

DMSO : 100 mg/mL (Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

一般には略語で表示されます：C1V1 = C2V2

濃度 （開始）

C1

×
体積 （開始）

V1

=
濃度 （終了）

C2

×
体積 （終了）

V2

体内:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    90% Corn Oil

    Solubility: ≥ 5 mg/mL; Clear solution

    This protocol yields a clear solution of ≥ 5 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (50.0 mg/mL) to 900 μL Corn oil, and mix evenly.

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
純度とドキュメンテーション

純度: 99.54%

COA (243 KB)

取扱説明書 (2659 KB)
参考文献
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PLGA (75:25) Related Classifications

  • Molarity Calculator

  • Dilution Calculator

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

質量   濃度   体積   分子量 *
= × ×

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

一般には略語で表示されます：C1V1 = C2V2

濃度 （開始） × 体積 （開始） = 濃度 （終了） × 体積 （終了）
× = ×
C1   V1   C2   V2
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

PLGA (75:25)34346-01-5poly(lactic-co-glycolic acid) (75:25)Biochemical Assay ReagentsPGAPLAPLGAslow-release drugsdrug delivery carrierpolymeric nano-compositesCalu-3Inhibitorinhibitorinhibit

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製品名:
PLGA (75:25)
製品番号:
HY-B2247A
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