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Droplet microfluidics is an important branch of microfluidic chip technology. It generates nanoliter\u2011 to picoliter\u2011sized droplets as independent micro\u2011reactors through two\u2011phase flow. Each droplet acts as a separate reaction vessel, offering high throughput, low consumption, and high sensitivity. Droplet generation on microfluidic chips is fast, highly uniform, and tunable in size, and has been widely applied in single\u2011cell analysis, digital PCR, drug screening, materials synthesis, and many other fields.<\/span><\/p>\n However, one issue has long plagued the industry \u2013\u00a0<\/span>droplet fusion<\/span><\/strong>.<\/span><\/p>\n 1. Fusion \u2013 the \u201croadblock\u201d for droplet applications<\/span><\/strong><\/p>\n Due to thermodynamic instability, droplets are highly prone to coalescence during generation, transport, and manipulation. When two independent droplets merge into one, it leads to uncontrolled size, cross\u2011talk between reactions, and invalidated data \u2013 for experiments that rely on droplets as isolated micro\u2011reactors, this is almost a fatal problem.<\/span><\/p>\n In traditional chip designs, fluid inlets and outlets are often arranged vertically. Such structures tend to cause flow disturbances when connecting tubing, exacerbating droplet collisions and coalescence. This seemingly simple issue has been a key bottleneck limiting the transition of droplet microfluidics from laboratory research to industrial production.<\/span><\/p>\n 2. Tackling the root cause at the structural level<\/span><\/strong><\/p>\n Suzhou Wenhao Microfluidic Technology Co., Ltd. has developed a systematic solution to this pain point, addressing it from two dimensions: chip architecture and fixture design.<\/span><\/p>\n First, the chip structure.<\/span><\/strong>\u00a0The standard droplet generation chip is made of glass and features\u00a0<\/span>T\u2011junction and flow\u2011focusing geometries<\/span><\/strong>. These two designs are the most mature and mainstream approaches for droplet generation \u2013 the T\u2011junction uses the shear force of the continuous phase to \u201ccut\u201d droplets from the dispersed phase; the flow\u2011focusing employs symmetrical squeezing from both sides to break the dispersed phase at the constriction. Together, they cover the vast majority of droplet generation scenarios.<\/span><\/p>\n The more critical innovation lies in the fluid ports.<\/span><\/strong>\u00a0While traditional chips mostly use vertical inlets\/outlets, Wenhao\u2019s chip adopts\u00a0<\/span>side\u2011entry ports<\/span><\/strong>. Do not underestimate this change \u2013 the side\u2011entry design, paired with a specially developed\u00a0<\/span>horizontal fixture<\/span><\/strong>, uses an integrated gasket structure to connect under pressure to the chip\u2019s side ports. Liquids are introduced from the side and droplets are exported from the side, resulting in a smoother flow path and\u00a0<\/span>completely avoiding the disturbances and fusion issues caused by vertical port connections<\/span><\/strong>.<\/span><\/p>\n 3. More than just \u201canti\u2011fusion\u201d \u2013 it\u2019s also \u201cuser\u2011friendly\u201d<\/span><\/strong><\/p>\n Solving fusion is only the foundation. In real research and industrial production, a chip\u2019s usability also depends on flexibility, adaptability, and durability. Wenhao\u2019s single\u2011emulsion standard chip and horizontal fixture excel in the following aspects:<\/span><\/p>\n Flexible choice of chip structure and dimensions<\/span><\/strong>\u00a0\u2013 customised to specific experimental needs, not limited to fixed specifications.<\/span><\/p>\n<\/li>\n Chip length adjustable from 22.5 to 120.0 mm<\/span><\/strong>\u00a0\u2013 covering a wide range of applications from compact to long\u2011path designs, with high integration capability.<\/span><\/p>\n<\/li>\n Up to 8 fluid ports on the fixture<\/span><\/strong>\u00a0\u2013 complex experiments often require multiple reagent inlets; the 8\u2011port configuration meets the demands of most intricate droplet preparation protocols.<\/span><\/p>\n<\/li>\n Pressure resistance exceeding 30 bar<\/span><\/strong>\u00a0\u2013 the tight seal between chip and fixture allows high\u2011pressure operation.<\/span><\/p>\n<\/li>\n Small dead volume<\/span><\/strong>\u00a0\u2013 minimal sample and reagent waste, which is especially beneficial for costly reagents.<\/span><\/p>\n<\/li>\n<\/ul>\n In addition, the glass material itself offers smooth channel surfaces, a wide temperature and pressure tolerance, excellent chemical stability and biocompatibility, and superior optical properties \u2013 making it highly suitable for droplet generation and observation.<\/span><\/p>\n 4. Beyond single emulsions<\/span><\/strong><\/p>\n It is worth mentioning that Wenhao provides a complete suite of solutions in the droplet microfluidics field. In addition to single\u2011emulsion standard chips, we also offer double\u2011emulsion generation chips, droplet mass\u2011production equipment, and more. Our droplet generation chips cover T\u2011junction, flow\u2011focusing, co\u2011flow, and other geometries, with materials including glass, PDMS, PMMA, capillary tubes, and others. From laboratory\u2011scale R&D to industrial\u2011scale production, we have corresponding products and solutions.<\/span><\/p>\n 5. A rapidly growing market<\/span><\/strong><\/p>\n The market demand for droplet generation chips is also rising quickly. According to market research reports, the global droplet generation chip market was valued at approximately USD 156 million in 2025 and is projected to grow to USD 170 million in 2026, with a compound annual growth rate (CAGR) of 6.38%. The global microfluidic chip solutions market reached USD 2.56 billion in 2025 and is expected to reach USD 2.81 billion in 2026, representing a CAGR of 11.46%. Droplet microfluidics is moving from academic research into broader industrial applications.<\/span><\/p>\n The promise of droplet microfluidics is beyond doubt, but only by solving the fundamental issue of droplet fusion can its full potential be unleashed. Wenhao\u2019s single\u2011emulsion standard chip and horizontal fixture address this from the structural design \u2013 replacing vertical ports with side\u2011entry ports, and ensuring sealing and stability with a high\u2011precision fixture. These seemingly straightforward improvements tackle a genuine industry pain point.<\/span><\/p>\n If you are also working on droplet microfluidics research or industrialisation, we welcome discussions and exchanges.<\/span><\/p>\n Suzhou Wenhao Microfluidic Technology Co., Ltd. \u2013 committed to providing complete products and solutions in the microfluidics field.<\/span><\/em><\/p>\n<\/div>\n<\/div>\n [\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":" [vc_row rt_row_background_width=”default” rt_row_style=”default-style” rt_row_borders=”” rt_row_paddings=”true” rt_bg_effect=”classic” rt_bg_image_repeat=”repeat” rt_bg_size=”cover” rt_bg_position=”right top” rt_bg_attachment=”scroll” rt_bg_video_format=”self-hosted”][vc_column width=”4\/5″ rt_wrp_col_paddings=”false” rt_border_top=”” rt_border_bottom=”” rt_border_left=”” rt_border_right=”” rt_border_top_mobile=”” rt_border_bottom_mobile=”” rt_border_left_mobile=”” rt_border_right_mobile=”” rt_bg_image_repeat=”repeat” rt_bg_size=”auto auto” rt_bg_position=”right top” rt_bg_attachment=”scroll”][vc_column_text] \u6211\u662f\u6587\u672c\u5757\u3002\u5355\u51fb\u201c\u7f16\u8f91\u201d\u6309\u94ae\u6765\u66f4\u6539\u6b64\u6587\u672c. 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