Aug 19, 2026
A twenty-residue peptide takes roughly eighty liquid-handling operations. Run that manually and you are asking a chemist to open and close valves, time contact periods and measure wash volumes correctly eighty consecutive times — overnight, at scale, without a single lapse. That is not a chemistry problem; it is a control problem, and it is exactly what an automated solid phase synthesizer exists to solve. Xi'an Bioland Instrument Co., Ltd. builds its automated solid phase synthesizer on a high-borosilicate glass reactor body with a large-diameter PTFE sintered filter plate, PLC and touchscreen full automation, programmable agitation and temperature control across -20°C to 200°C, electric lifting, vacuum operation and certified explosion-proof construction. Standard capacities of 20 L, 30 L, 50 L and 100 L cover laboratory research, pilot trials, pharmaceutical manufacturing and organic synthesis, with full OEM/ODM customization, CE and ISO certification, GMP/FDA-compliant materials, factory-direct pricing and a one-year warranty with lifetime maintenance. Below is how that translates into better peptides.
Manual SPPS carries a hidden tax. Every deprotection held thirty seconds too long, every wash short by half a litre, every drain rushed under excessive vacuum leaves a fingerprint in the crude HPLC trace as deletion sequences and truncated chains. An automated solid phase synthesizer removes operator variance from the equation entirely. Recipes are written once, validated once, then executed identically at three in the morning and three in the afternoon. Bioland customers moving from manual glassware to an automated solid phase synthesizer typically report crude purity improvements that translate directly into shorter, cheaper preparative HPLC runs downstream.
The programmed sequence in an automated solid phase synthesizer is rhythmic and repeatable. Resin is charged and swollen in DMF or DCM under gentle agitation. Solvent drains through the PTFE plate under staged vacuum. Piperidine deprotection follows for a timed interval, then drains. Three to five DMF washes execute automatically. Activated amino acid and coupling reagent are dosed, agitated for the specified contact time, then drained and washed. The controller advances to the next residue without human intervention. At the end, cleavage cocktail is introduced and the crude peptide is collected in a receiver.
Chemistry rarely limits SPPS cycle time — drainage does. If each of eighty drain steps takes eight minutes instead of three, you have added nearly seven hours per synthesis. The high-performance PTFE filter assembly in a Bioland automated solid phase synthesizer uses a large-diameter design specifically for high-speed filtration. Standard configuration is a PTFE sintered core, with stainless steel, titanium, and a wide range of filter cloths and membranes available to match resin bead size distribution and swelling behaviour.
An automated solid phase synthesizer from Bioland is not a single-purpose instrument. The same glass vessel integrates reaction, filtration, distillation, extraction, condensation and vacuum operation, so the platform also serves crystallization, solid-liquid separation and catalyst recovery work. It is widely used across pharmaceutical chemistry, petroleum, metallurgy, biology, fuels, precious metals and new materials — with particular strength in peptide drug R&D, thymopeptide preparation, antimicrobial peptide screening and peptide carrier material synthesis.
Difficult sequences — aggregation-prone stretches, sterically hindered residues, beta-sheet formers — punish imprecision. An automated solid phase synthesizer doses reagents by calibrated volume and holds contact time to the second, so a double coupling on a hindered residue happens exactly as designed rather than approximately. Programmable stirring and temperature control work together to deliver the uniform reaction environment and high repeatability that difficult sequences demand, and recipes can specify different agitation speeds and temperatures for individual steps within the same run.
Polystyrene and PEG-based resin beads fracture under high shear, and fractured beads generate fines that blind the filter plate and bleed product into waste. The automated solid phase synthesizer uses programmable low-shear agitation — or optional nitrogen bubbling — to keep beads fully suspended and reagent-accessible without attrition. Because the reactor body is high-transparency borosilicate glass, chemists can visually confirm bed movement, spot channelling and check swelling behaviour in real time rather than inferring it from a disappointing analytical result days later.
Elevated-temperature coupling can break up secondary structure and rescue a stalling synthesis, but only under strict control. Paired with a stainless-steel high-low temperature all-in-one unit, the jacketed automated solid phase synthesizer holds setpoints precisely across -20°C to 200°C, allowing warm coupling steps followed by ambient washes within a single automated program. Modular design ensures the reactor and circulator combine safely and efficiently, and the transparent body allows constant visual verification during heated operation.
The same integrated architecture solves adjacent pharmaceutical problems. A European biopharmaceutical developer faced incomplete reactions, low crystal purity and yield, corrosive acid-base media attacking metal equipment, and cross-contamination risk from repeated transfers.
Bioland supplied a customized 100 L glass filter-crystallization reactor running reaction, crystallization and filtration in one vessel. The catalytic step ran at 0–5°C under nitrogen; the transparent body confirmed reaction completion by colour change.
Crystallization followed with -20°C jacket coolant on a controlled 1–2°C per hour ramp, giving uniform crystals free of occluded impurities. Filtration switched directly to the PTFE assembly. Mother liquor was recycled, purity exceeded 99.5%, and yield improved 15% with zero intermediate transfers.
Reproducibility must be provable, not merely claimed. The PLC and touchscreen interface on a Bioland automated solid phase synthesizer stores validated recipes, executes them step by step, and logs jacket temperature, agitation speed, vacuum level, dose volumes and step duration throughout. Batch records export for review, which materially shortens IQ/OQ effort during GMP pilot validation. Xi'an Bioland Instrument Co., Ltd. has spent more than 15 years engineering reaction, filtration, purification, crystallization and drying equipment of exactly this class, and supplies material certificates, pressure and vacuum test reports and calibration data with every unit.
Multi-product peptide facilities live or die on changeover. The quick-release filter assembly on the automated solid phase synthesizer lets operators remove the PTFE disc, backflush it with compatible solvent and inspect for embedded resin in roughly twenty minutes rather than scheduling a workshop visit. High-borosilicate glass carries no weld seams, crevices or passivation layer, so CIP cycles restore a validated clean state quickly and residue from a previous product cannot compromise the next batch.
Glass rewards discipline. Ramp jacket temperature no faster than about 3–5°C per minute, pre-condition solvents before charging, never exceed the rated pressure, and confirm clamp torque and frame level before each campaign. Verify seal integrity daily by pulling vacuum on the empty automated solid phase synthesizer and checking the gauge holds for ten minutes. PTFE plus mechanical dual shaft sealing is standard and spare kits are stocked. Always follow TFA cleavage with thorough neutralizing rinses to protect gaskets and extend service life.
Design your charge around swollen volume, not dry weight — resin can expand two to six fold depending on solvent. A practical rule for any automated solid phase synthesizer is to keep the swollen bed between roughly 30% and 60% of the height above the filter plate, leaving headroom for agitation and complete wash coverage. Overloading causes channelling, where solvent finds a preferential path and leaves pockets of unwashed resin that carry deletion sequences into the next coupling. The transparent vessel makes channelling visible immediately.
Applying maximum vacuum from the first second compacts fines against the plate and blinds it. Staged suction — gentle initially, increasing once free liquid has passed — preserves the fast drainage the large-diameter design was built to deliver. Automation makes this trivial to enforce, since the program controls vacuum profile identically every cycle. Solvent consumption also drops when wash volumes are dosed precisely rather than estimated generously, a saving that compounds meaningfully across an eighty-step synthesis.
DMF, DCM and piperidine at production volume demand serious safety engineering. Bioland's explosion-proof automated solid phase synthesizer is built on industrial-grade safety standards with authenticated explosion-proof performance, a high-strength pressure-bearing structure and a precise explosion-proof control system across 20 L, 30 L, 50 L and 100 L capacities. Geometric proportions stay consistent across the range, so wash volumes and contact times validated at 20 L transfer sensibly to 100 L without rewriting the process.
Non-standard is routine. Size, shape, material, structure, port layout, filter media, lifting mechanism, automation level and downstream modules — including integrated temperature control, filtration, crystallization, ultrasonic crystallization and combined rectification vessels — are all built to specification on any automated solid phase synthesizer under OEM and ODM terms. Customized units ship in about 30 business days, catalogue units in 5–7 days, by sea, rail or air. A dedicated specialist sends weekly photo or video progress updates, detailed inspection footage precedes shipment, and clients may attend a Factory Acceptance Test at the Xi'an facility.
Peptide synthesis rewards precision repeated hundreds of times, and that is the one thing manual operation cannot guarantee. A Bioland automated solid phase synthesizer delivers it through PLC-controlled recipes, calibrated dosing, timed contact, low-shear programmable agitation, -20°C to 200°C control and a large-diameter PTFE plate that drains fast without losing a bead. Field results across the same platform speak plainly: 99.5% purity, 15% yield gain, over 90% recovery. With CE and ISO certification, GMP/FDA-compliant construction, explosion-proof options, 20–100 L capacities and 15+ years of engineering experience, Bioland Instrument supplies complete process solutions.
20 L, 30 L, 50 L and 100 L standard, with custom volumes and non-standard builds on request.
A PTFE sintered core, with stainless steel, titanium, filter cloths and membranes in multiple pore ratings available.
-20°C to 200°C when paired with a stainless-steel high-low temperature all-in-one circulator.
Yes — certified explosion-proof systems with high-strength pressure-bearing structure and precise explosion-proof control.
Around 30 business days for customized units, 5–7 days for standard, with one-year warranty and lifetime maintenance.
Tired of overnight manual cycles and batch records that never quite match? Xi'an Bioland Instrument Co., Ltd. engineers every automated solid phase synthesizer around your resin type, sequence difficulty, solvent system and throughput target — including certified explosion-proof construction, PLC full automation, electric lifting, integrated temperature control, ultrasonic crystallization and combined rectification modules. You gain CE and ISO certified quality, GMP/FDA-compliant materials, factory-direct pricing, weekly photo and video production updates, optional Factory Acceptance Testing, a one-year warranty and lifetime maintenance. Catalogue units ship in 5–7 days; fully customized systems in 30 business days, by sea, rail or air. Send your synthesis details to info@biolandequip.com and our engineers will return a tailored proposal and quotation.
1. Chan, W. C., White, P. D. Fmoc Solid Phase Peptide Synthesis: A Practical Approach. Oxford University Press.
2. Merrifield, R. B. "Solid Phase Peptide Synthesis I: The Synthesis of a Tetrapeptide." Journal of the American Chemical Society.
3. Amblard, M., Fehrentz, J.-A., Martinez, J., Subra, G. "Methods and Protocols of Modern Solid Phase Peptide Synthesis." Molecular Biotechnology.
4. Behrendt, R., White, P., Offer, J. "Advances in Fmoc Solid-Phase Peptide Synthesis." Journal of Peptide Science.
5. am Ende, D. J. Chemical Engineering in the Pharmaceutical Industry: R&D to Manufacturing. Wiley.
6. ICH Q7 Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients. International Council for Harmonisation.
2024-05-16
Pharmaceutical Company
The reactor is beautifully mirror-polished and fully complies with GMP requirements for the pharmaceutical industry. The performance is excellent! Overall, we are very satisfied! We also provided with some feedback on our process improvements, which we hope will be helpful.
2024-04-09
Laboratory
Excellent and professional service. Always reply our questions very fast. All reactors and chiller we received are good too.
2024-02-15
Research Institute
Quality is beyond our expectation actually. After we got the extraction equipment and started using it, the performance was beyond our expectation. Very easy to use and very efficient to run. Service always respond us very quickly. Was also very helpful to help us. Thanks Bioland team. Very happy to work with you.
2023-11-20
Biotech Company
We are happy about the new purchase as always. Equipment and services are both good.
2023-08-05
Instrument Lab
This is the second order with Bioland instrument and everything is good as the first dateText.
2023-05-12
Global Trading Partner
Bioland instrument team is very helpful and professional. The sales helped us select the right equipment for our application, and their logistics people handled the transportation and customs declaration for our shipment. All that saved us a lot of work.
