How many parameters can I control using a DASGIP or DASbox system?

DASGIP Parallel Bioreactor Systems provide comprehensive concurrent monitoring and control of process parameters. During the process run, events are logged together with up to 70 online process variables per bioreactor. In addition to the various DASGIP modules for monitoring and control, with DASware analyze users can integrate analytical devices provided by third parties. Seamless integration into the DASGIP or DASbox system even allows for closed loop solutions such as automated feeding strategies based on the current glucose concentration. Each process value can be used as a trigger enabling users to automate their process.

How many parameters can be displayed in a process overview in DASware control?

DASware control users can freely select all relevant process variables of all or selected bioreactors to be displayed in one chart. There are no limitations in the number of process parameters. When using DASware analyze, the displayed process parameters even include integrated data from third party laboratory devices, such as nutrient analyzers, mass spectrometers or Raman. The software features tables and trend graphs of all measured values. It continuously logs and stores all data and events. These data are immediately accessible for evaluation using e.g. Microsoft Excel. Advanced charting functionalities ease further data analysis and comparison of runs.

Do I need programming skills to automate my process in DASware control?

DASware control includes a set of easy to implement automation features without any need of programming. Profiles and triggers allow for various control strategies, all of them easy to select by mouse click with parameters entered manually or just copy-pasted. Users with programming skills and special control requirements, however, are free to run scripted control strategies and profiles as well.

Can I change triggers, profiles, cascades and scripts online in DASware control?

Set-points, profiles, cascades, and scripts are online editable in DASware control. Offline values and events can be entered during or after the run and documented with a time stamp. These time stamps can be set individually, e.g to meet the time, when the sample was taken. This provides users with great flexibility to interact with the control system and reconsider parameter settings even in highly automated processes. All events, including online changes, are recorded in a SQL Server database.

How are DASGIP vessels agitated?

DASGIP bioreactors feature powerful overhead drives with agitation speeds ranging 30 – 1,600 rpm. The DASGIP TC4SC4 controls temperature and agitation in up to four bioreactors. Users can individually define each outlet set-point as well as choose from different operation modes (e.g. continuous or interval agitation).

Does DASware control give any alarms in case of critical deviation?

Critical deviation of process parameters such as pH, DO, redox, and temperature are color-coded in the software and saved in the event log. DASware control professional additionally allows notification of supervisory control systems or mobile communication tools via SMS or e-mail.

Can you help adjusting my controller loop parameters in DASware control?

DASGIP controllers are PI controllers, which are configured with default controller parameters adapted to the type of vessel and default experimental requirements. Depending on special customer requirements it might be necessary to modify these parameters. Our service will be happy to help you finding the right settings.

How to calibrate a pH sensor in DASware control?

DASware control software allows for parallel calibration of all sensors used within one system with all data logged in the central database together with set-points, profiles, cascades, process values, user interactions and other events. Good maintenance will prolong the sensors' lifetime whereas high temperatures (i.e. during autoclavation), alkaline solutions (i.e. during alkaline deactivation), repeated etchings and improper maintenance will reduce the electrode's lifetime.

How reliable are exhaust data when working at benchtop scale?

Exhaust oxygen and carbon dioxide concentrations of multiple bioreactor units are continuously monitored with the DASGIP GA exhaust analyzer. Together with the mass flow measurement and the input values of oxygen and carbon dioxide concentrations, automatic calculation of oxygen transfer rate (OTR), carbon dioxide transfer rate (CTR), and respiratory quotient (RQ) is possible, permitting direct conclusions on the metabolic state of a culture. As the DASGIP GA considers humidity, volume, and total flow typical sources for inaccurate OTR and CTR data in small working volumes are eliminated.

Is it possible to automatically control the foam in DASGIP vessels?

All DASGIP vessels can be equipped with foam control components. All you need is a level/foam sensor connected to the DASGIP sensor module (e.g. PH4PO4L) and a feed line for dosing of the antifoam agent. Now foam formation can be detected by the level sensor and antifoam agent is automatically pumped into the vessel until all foam is collapsed. The DASware control software allows any feed line to be used for antifoam or level control. Since medium composition has a strong impact on the electrical conductivity of medium and foam, every conductivity-based level sensor needs to be adjusted to foam and medium conductivity. DASware control supports monitoring conductivity and free adjustment of the conductivity threshold.

What maintenance is required for Eppendorf bioprocess systems?

As all complex technical systems Eppendorf bioprocess equipment should be maintained regularly to keep all parts in good condition. This maintenance avoids cost-intensive down times and contributes to preservation of value. A complete preventive maintenance is recommended once a year. Additional maintenance actions are recommended to be executed by the user prior to every run or in regular cycles (e.g. every month). Our service will be happy to advice.

What do I have to consider when returning equipment for repair?

Equipment returned to Eppendorf for service or any other reason needs to be decontaminated first. Please fill out the Decontamination Form that you will find in the “Service & Support” section of the Eppendorf website and attach it to the package. Equipment which was sent without the completely filled form cannot be handled. This form must also be completed before any on-site service, whether covered under warranty or not, can commence.

What does your warranty cover?

Eppendorf issues a warranty of one year from the day of delivery on its products in accordance with our terms and conditions. Excluded are consumables such as cables, tubing, glassware, and sensors as well as used material.

Does Eppendorf offer bioreactor training?

We highly recommend a training at the customer’s site for all new customers. Besides this initial training, Eppendorf also offers individual trainings adapted to the user’s requirements like training of new employees or advanced training/recapitulation for employees already having experience with DASGIP or DASbox systems. All trainings are performed at the customer’s site using the customer’s equipment to have the training focused on the customer’s demands. The structure and methods of the training can be chosen to the customer’s requirements from general overview to detailed sessions on specific products or issues. Training in small groups is as possible as personal guidance.

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DASbox^® 迷你平行生物反应系统

BioBLU c and BioBLU f Single-Use Bioreactors for small and bench scale cell culture, stem cell, and fermentation applications.

产品信息

EppendorfDASbox Mini Bioreactor System 迷你生物反应器系统工作体积小、设计紧凑、具有先进的控制与信息管理方案，适于研究与早期工艺开发。与DASware Software Suite 结合使用，是过程优化设计（DoE）途径以及工艺开发标准化、流程化的理想工具。

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产品信息

技术数据

用途

特征

DASbox是一款独特的迷你平行生物反应器系统，适用于微生物、细胞培养及干细胞培养等。设计为 4 个平行罐系统，最多可平行控制高达 24 个生物反应罐体。DASbox工作体积为 60 – 250 mL，堪称先进生物工艺研发和实验设计（DoE）应用的理想工具。所有关键过程参数可精确控制。无水温度控制和尾气冷凝器使用户操作更简便。
除了使用工业标准玻璃罐体外， DASbox可适配新型 EppendorfBioBLU 0.3 Single-Use Bioreactors，所有部件均为一次性迷你生物反应罐体。

规格	DASbox^® 细胞培养	DASbox^® 细胞培养一次性反应器	DASbox^®微生物培养	DASbox^® 微生物培养一次性反应器

应用	细胞培养	细胞培养	微生物发酵	微生物发酵
平行控制罐体数量	最多 24 个	最多 24 个	最多 24 个	最多 24 个
软件	DASware 控制器，其他 DASware 选配	DASware 控制器，其他 DASware 选配	DASware 控制器，其他 DASware 选配	DASware 控制器，其他 DASware 选配
用户界面	带监测系统的生物过程计算机	带监测系统的生物过程计算机	带监测系统的生物过程计算机	带监测系统的生物过程计算机
典型能耗（4 罐体系统，无过程电脑）	168 W ( 230 V)/ 154 W ( 115 V)	168 W ( 230 V)/ 154 W ( 115 V)	168 W ( 230 V)/ 154 W ( 115 V)	168 W ( 230 V)/ 154 W ( 115 V)
尺寸（W × D × H，4 罐体系统，无过程电脑）	30 x 70 x 49 cm (12 x 28 x 19 in)	30 x 70 x 49 cm (12 x 28 x 19 in)	30 x 70 x 49 cm (12 x 28 x 19 in)	30 x 70 x 49 cm (12 x 28 x 19 in)
产品重量	44 kg	44 kg	44 kg	44 kg
常规重量	44  kg	44  kg	44  kg	44  kg
细菌/酵母菌/真菌	是	是	是	是
哺乳动物/动物	是	是	是	是
昆虫	是	是	是	是
可互换罐体	是	是	是	是
可验证	否	否	否	否
干细胞	是	是	是	是

生物反应器
罐体	玻璃罐体	一次性罐体	玻璃罐体	一次性罐体
灭菌	高温高压灭菌	预先灭菌	高温高压灭菌	预先灭菌
总体积	350 mL	380 mL	350 mL	380 mL

搅拌
驱动	顶部直联驱动	顶部磁力驱动	顶部直联驱动	顶部磁力驱动
速度范围	20 – 2500 rpm	20 – 500 rpm	20 – 2500 rpm	20 – 2000 rpm
搅拌桨	螺旋搅拌桨	斜叶桨	平叶桨	平叶桨

通气
供气	TMFC；表层通气及（或）气体分布器	TMFC；表层通气及（或）气体分布器	TMFC；气体分布器	TMFC；气体分布器
标配气体流量	0.04 – 5 sL/h，0.04 – 3.5 sL/h CO₂	0.04 – 5 sL/h, 0.04 – 3.5 sL/h CO₂	0.2 – 25 sL/h, 0.2 – 18 sL/h CO₂	0.2 – 25 sL/h, 0.2 – 18 sL/h CO₂
标准气体混合	空气、N₂、O₂和/或CO₂	空气、N₂、O₂和/或CO₂	空气、N₂、O₂和/或CO₂	空气、N₂、O₂和/或CO₂

补料
每个罐体的补料线	2条 (标配)/ 4条 (选配)	2条 (标配)/ 4条 (选配)	2条 (标配)/ 4条 (选配)	2条 (标配)/ 4条 (选配)
标准补料速度（取决于管直径）	0.3 – 9.5 mL/小时至于13 – 420 mL/小时	0.3 – 9.5 mL/小时至于13 – 420 mL/小时	0.3 – 9.5 mL/小时至于13 – 420 mL/小时	0.3 – 9.5 mL/小时至于13 – 420 mL/小时

监测及控制
温度控制	无水加热或制冷( Peltier )	无水加热或制冷( Peltier )	无水加热或制冷( Peltier )	无水加热或制冷( Peltier )
标准温度范围（在 25° C 室温下）	10 – 60°C	10 – 45°C	10 – 60°C	10 – 45°C
pH 控制	CO₂ / 碱液和其他设置	CO₂ / 碱液和其他设置	酸液和（或）碱液和其他设置	酸液和（或）碱液和其他设置
DO 控制	级联控制（O₂ 浓度，气体流量）及其他设置	级联控制（O₂ 浓度，气体流量）及其他设置	级联控制（搅拌速度、O₂ 浓度、气体流量）及其他设置	级联控制（搅拌速度、O₂ 浓度、气体流量）及其他设置
ORP (redox) 测量	-	-	可选（选择氧化还原或液位电极）	可选（选择氧化还原或液位电极）
液位/泡沫	可选	可选	可选（选择氧化还原或液位电极）	可选（选择氧化还原或液位电极）
OD 监测	可选（DASGIP OD4 模块）	可选 (DASGIP OD4 模块)	可选（DASGIP OD4 模块）	可选 (DASGIP OD4 模块)
尾气冷凝器	无水冷凝(Peltier)	无水冷凝(Peltier)	无水冷凝(Peltier)	无水冷凝(Peltier)
尾气分析	-	-	可选（DASGIP GA4 模块）	可选 (DASGIP GA4 模块)